ES2346546T3 - COMPRESSION APPARATUS - Google Patents

Abstract

A compression treatment system (10) is provided that includes a first bladder (46a, 46b, 46c, 48a, 48b, 48c) supported about a limb. A second bladder is supported about the limb. The bladders are in fluid communication with a fluid source (50) and the bladders are inflated such that the first bladder is inflated for a first time period and the second bladder is inflated for a second time period. The second time period is initiated within the first time period. A single pressure sensor communicates with the first bladder and the second bladder.

Description

Compression apparatus.

Background 1. Technical field

This description refers in general to field of vascular therapy for application to a member of a body and, more particularly, to a compression apparatus that has detachable parts

2. Description of the related technique

An important concern for patients immobilized or immobile and similar people are the states doctors who form blood clots, such as thrombosis deep venous (DVT) and peripheral edema. Such patients and people include those undergoing surgery, anesthesia, periods prolonged bed rest, etc. Generally, these states of blood clotting occurs in the deep veins of the lower limbs and / or the pelvis. These veins, such as the iliac, femoral, popliteal and tibial return deoxygenated blood to heart. For example, when blood circulation in these veins is delayed due to illness, injury or inactivity, there is a tendency of blood to accumulate or pool. An accumulation Static blood is ideal for clot formations. A risk important associated with this state is interference with the cardiovascular circulation More seriously, a fragment of the Blood clot can break off and migrate. Can form a pulmonary embolism that blocks an important pulmonary artery, what That can be life threatening.

The states and the resulting associated risks with the immobility of the patient can be controlled or relieved by applying intermittent pressure to a member of the patient, such as, for example, one leg, to help in the blood circulation. Known devices have been used to help in blood circulation, such as pads of a Compression piece and boots. See, for example, patents U.S. 6,290,662 and 6,494,852.

For example, devices have been used sequential compression consisting of a connected air pump to a disposable wrap pad using a series of air tubes The wrap pad is placed around The patient's leg. Then air is introduced sequentially in different parts of the wrap pad, creating pressure around the calves and improving return venous.

A compression apparatus according to the preamble of claim 1 is known from the document US-A-4,624,248.

These known devices may suffer various inconveniences due to its size and cumbersome nature of use These inconveniences reduce comfort, compliance and can disadvantageously prevent the mobility of the patient as Recovery progresses after surgery.

Therefore, it would be desirable to overcome Disadvantages and disadvantages of the prior art with an apparatus sequential prophylactic compression that reduces size and not be cumbersome during use to improve comfort and Compliance for a patient. It would be desirable for the apparatus of sequential prophylactic compression will include a detachable part to achieve the advantages of this description. It would be extremely desirable that the prophylactic sequential compression apparatus had a valve connector that facilitates quick disconnection from a source of pressurized fluid. It is contemplated that the apparatus of Prophylactic sequential compression is manufactured easy and effectively.

Summary

The invention provides an apparatus of compression according to claim 1.

Accordingly, an apparatus for providing compression that reduces size and is not cumbersome during use to improve comfort and compliance for a patient to overcome the disadvantages and disadvantages of the prior art. He compression apparatus includes a removable part to achieve the Advantages of the present description. More desirably, the compression apparatus has a valve connector that facilitates the Quick disconnection of a source of pressurized fluid. The apparatus of Compression is manufactured easily and efficiently.

The compression apparatus, according to the principles of the present invention, includes a compression sleeve up to thigh that transforms into a sheath until the knee is torn and removing the air chamber or bladder from the thigh and disconnecting the air supply duct of the air chamber or bladder of the thigh. In one embodiment, the air supply duct of the air chamber or thigh bladder will be easily removed along with the air chamber or bladder of the thigh, joining at or near the point in which the air chamber or bladder is removed from the thigh of the sheath. This would allow a single movement to achieve removal of both the air chamber or bladder from the thigh and the supply duct of the air chamber or thigh bladder. The convertible cover allows the patient to use a more comfortable cover (knee in front of thigh) as the risk of DVT decreases after surgery This provides various options to doctors. even if only one device is used.

The compression apparatus is perforated for a better patient compliance and comfort throughout the duration of the time of use of the device. It is contemplated that the apparatus can used with both mobile and / or stationary compression systems. A source of pressurized fluid continues to send pressurized fluid after valve removal. The source of pressurized fluid can activate a high alarm signal if there are kinks in the tube and a Low alarm signal if there are leaks in the tube. The apparatus of compression is activated sequentially increasing the pressure through of the tubes corresponding to the three parts of the sheath. He distal end is the air chamber or ankle bladder (high pressure), the proximal end is the air chamber or bladder of the thigh (low pressure). The source of pressurized fluid pumps air into the cover in a 60 second cycle being 11 seconds of compression and The rest of decompression.

In one embodiment, according to the principles of the present invention, the compression apparatus includes a sheath configured for placement around a member. The cover includes a first part that defines a first expandable chamber and a second part that defines a second expandable chamber and a third expandable chamber. The second part includes a connector in fluid communication with a source of pressurized fluid and from that mode the first expandable chamber, the second expandable chamber and the third expandable chamber facilitate fluid communication between the source of pressurized fluid and chambers. The first part can Dismantle from the second part.

According to the invention, the first part is connected to the second part through a perforated joint. The first part can be configured for placement around a first part of the member and the second part is configured for placement about a second part of the member. The second chamber expandable can be placed with the second part for placement around a second part of the member and the third chamber expandable is placed with the second part for placement about a third of the member.

The compression apparatus may include a variety of welds and air chambers or bladders that form a padding effect For example, the first expandable cameras, second and third can define each at least one subchamber

The cover can define at least one opening of ventilation. At least one opening may include openings formed on an expandable chamber surface. At least one opening can include a slot arranged between the second chamber Expandable and the third expandable chamber.

The connector can communicate with the cameras by a tubular section. The tubular section of the first chamber Expandable can be removed from the connector. A pressurized fluid can be supplied to the cameras for their expansion in a sequential time interval such that, for example, expand the first expandable camera, followed by (2.5 seconds after) the second expandable chamber, followed by (3 seconds after) the third expandable camera for a total of 11 seconds from the beginning of the first expandable chamber. After all Chambers are simultaneously ventilated to the atmosphere.

In one embodiment, the compression apparatus includes a cover configured to wrap a leg and that defines a plurality of ventilation openings. In addition the cover includes a thigh part that defines a first inflatable chamber that has Subchambers The cover also includes a calf part that defines a second inflatable chamber that has subchambers and a part of ankle that defines a third inflatable chamber that has Subchambers The ankle part includes a valve connector that communicates through fluid to both a source of pressurized fluid and the chambers through a tubular section to facilitate the inflation of the cameras. The thigh part is detachably connected to the calf part through a perforated joint and the stretch tubular of the first inflatable chamber can be removed from the connector valve.

In one embodiment, the compression apparatus includes an expandable sheath that is configured for placement around a leg. The sheath extends along a length from below the knee of one leg to above the knee. The sheath can be transformed from the length that extends from below the knee to above the knee, to a length that extends only below the knee. The length of the sheath that extends from below the knee to above the knee may include a first part arranged around the thigh of a leg, the first part of the sheath being able to be removed. The first part connects to the case
through perforations.

In a disclosed or disclosed method, the chamber of air or ankle bladder is compressed for 2.5 seconds, the middle section air chamber or bladder is compressed for 2.5 seconds and the air chamber or bladder of the proximal section It is also compressed for 2.5 seconds. Once the 11th second, all air chambers or bladders are ventilated simultaneously. The thigh part may tear, transforming that way from full leg to knee length. A ventilation slot on the back of the part of calf This dissipates heat, relieves itching and facilitates movement. You can wear a knitwear or stockings under the compression sleeve

A method disclosed or exposed to perform the Compression in a member of a body includes the stages of: provide a cover configured for placement around a member, the cover includes a first part that defines a first inflatable chamber and a second part that defines a second inflatable chamber and a third inflatable chamber, the second part includes a connector in fluid communication with a fluid source under pressure and the chambers, thereby facilitating communication fluid between the source of pressurized fluid and the chambers, the First part can be disassembled from the second part; place the sheath around the member; supply pressurized fluid to the first inflatable chamber; supply pressurized fluid to the second inflatable chamber; supply pressurized fluid to the third chamber inflatable; deflate the cameras; and remove the first part of the second part.

The supply stages can be performed every one with a duration of 2.5 seconds. The withdrawal stage can include disconnecting the first inflatable chamber from the connector. The withdrawal stage includes tearing the first part of the second part through a perforated joint.

A method disclosed or exposed to perform the compression of a member of a body includes the stages of provide an expandable cover configured for placement around one leg; place the cover around the member of such that the sheath extends a length from below the knee of the leg to above the knee; supply pressurized fluid to the sheath; deflate the cover; and transform the sheath the length that extends from below the knee up above the knee, to a length that extends only below the knee. The stage of placing the cover around the member such that the sheath extends a length from below the knee of one leg to by above the knee may include placing a first part of the sheath around the thigh of one leg. The transformation stage includes tearing the first part of the case.

Brief description of the drawings

The objects and characteristics of this invention are set forth with particularity in the claims attached. The present invention, both as regards its organization as to how it works, along with additional objectives and advantages, can be better understood by doing reference to the following description, taken in relation to the accompanying drawings, which are described below.

Figure 1 is a perspective view of a particular embodiment of a compression apparatus according to the principles of the present invention;

Figure 2 is a cross-sectional view. side of a chamber of the apparatus shown in figure 1;

Figure 3 is a top view of a apparatus connector shown in figure 1;

Figures 4A and 4B are perspective views of the apparatus shown in figure 1 placed around a member as well as a source of pressurized fluid;

Figures 4C and 4D are perspective views of the apparatus shown;

Figures 5A and 5B are perspective views of the apparatus shown in Figures 4A-4D, by the which a tubular section of a part of the apparatus is removed from the connector;

Figures 6A and 6B are perspective views of the apparatus shown in figure 5, by which a part of the device;

Figure 7 is a pressure graph versus time illustrating the sequential compression of the apparatus shown in figure 1; Y

Figure 8 is an alternative embodiment of the compression apparatus shown in figure 1.

Detailed description of example embodiments

The exemplary embodiments of the apparatus Compression and operating methods described are discussed in terms of vascular therapy including a compression apparatus prophylactic for application to a body member and more particularly in terms of a compression apparatus that has detachable parts It is contemplated that the compression apparatus can be used to prevent and overcome the risks associated with the  patient immobility In addition, it is contemplated that the apparatus of compression relieve the states that arise from the immobility of patient to prevent, for example, DVT, peripheral edema, etc. Be contemplates that the compression apparatus according to the present description can be attributable to all types of systems venous compression, including, but not limited to, an apparatus of sequential prophylactic compression. The expression "sequential prophylactic "should not be construed as limiting the device of general venous compression described herein. Without However, this description is expected to find application in a wide variety of states of immobility of people and similar patients, such as, for example, those undergoing surgery, anesthesia, prolonged periods of bed rest, obesity, old age, cancer, previous thromboembolism, etc.

In the discussion that follows, the term "proximal" refers to a part of a structure that  is closer to the torso of a subject and the term "distal" is refers to a part that is farther from the torso. As used in this document the term "subject" refers to a patient undergoing vascular therapy using the device compression. According to the present description, the term "doctor" refers to an individual who applies the compression apparatus and May include support staff.

The following discussion includes a description. of the compression apparatus, followed by a description of a method operating as an example of the compression apparatus. Be will now refer in detail to the realizations and the invention by way of example, which are illustrated with the figures attached.

Turning now to the figures, in which the same components are designated by the same numbers of reference in all the different views. Initially, in reference to figures 1 and 2, a compression apparatus 10 is illustrated sequential prophylactic, built according to the principles of present invention The compression apparatus 10 includes a sheath 12, configured for placement around a member, such such as a leg L (figures 4-6) of the body of a subject. It is contemplated that cover 12 and other parts of the compression apparatus 10, can be arranged, wrapped, ride, etc., with various members, limbs, etc. of the body of a subject, such as, legs, arms, etc.

The cover 12 includes a first part, such as, for example, part 14 of the thigh that defines a first chamber expandable, such as, for example, the first inflatable chamber 16. A second part 18 of the case 12 defines a second chamber expandable, such as, for example, the second inflatable chamber 20 and a third expandable chamber, such as, for example, the third inflatable chamber 22. The first part 14 and the second part are expected part 18 may include one or a plurality of cameras expandable In addition, the cover 12 or parts thereof is expected They can be discarded.

The second part 18 has a calf part 24 that includes the second inflatable chamber 20 and an ankle part 26 that includes the third inflatable chamber 22. It is contemplated that the first part 14 and the second part 18 may be placed around various parts of the member of a subject, according to the requirements of a particular vascular therapy application. The ankle portion 26 includes a valve connector 64 in fluid communication with a source 30 of pressurized fluid through the valve connector 28 and the tube 62 (Figures 4C and 4D) and the chambers 16, 20 and 22 via a length of fluid that includes the tube, as will be discussed below (see, for example, the valve connector described in US Patent Application Serial No. 10 / 784,639, filed February 23, 2004 and entitled Connector Apparatus of fluid conduits ( Fluid Conduit Connector Apparatus ). The tube 62 is composed of three separate tubes or lights 65A, 65B and 65C. This configuration facilitates fluid communication between pressurized fluid 30 and chambers 16, 20 and 22.

The thigh part 14 can be removed from the second part 18. For example, calf part 24 is detachably connected to the thigh part 14 by means of a perforated joint 32, as will be discussed. This configuration detachable, advantageously reduces the size of the apparatus 10 of compression by simple manipulation to increase comfort and compliance of a subject. The compression apparatus 10 also It provides an individual with increased mobility. It is expected that the sheath 12 may include flexible sections, such as, materials elastic or espandex, arranged between the parts to facilitate the mobility of a member during its use.

As best shown in Figures 1 and 2, the cover 12 includes a top sheet 34 and a bottom sheet 36 that overlap to form the sheath. The upper sheet 34 and the bottom sheet 36 are fixedly joined by seams that define inflatable chambers 16, 20 and 22. A seam 38 defines the chamber 16, a seam 40 defines chamber 20 and a seam 42 defines chamber 22. An edge 44 extends beyond the seams 38, 40 and 42 around the sheath 12. It is contemplated that the sheath 12 includes a plurality of seams, arranged in various ways in the surroundings, which link the upper sheet 34 and the lower sheet 36. In addition, it is contemplated that the seams can be welded, sewn, formed by adhesive, heat sealed, etc.

The upper sheet 34 and the lower sheet 36 are they manufacture materials suitable for inflating chambers 16, 20 and 22, such as, for example, films and fabrics, such as PVC (polyvinyl chloride) and PE (polyethylene), depending on the application of the particular vascular therapy and / or preference. Flexible fabrics can also be used and semi-flexible, such as urethanes and silicones. The cover 12 can include separate structures that include chambers 16, 20 and 22 and are they have with or mounted on the plates 34, 36. However, a skilled in the art will understand that they would also be suitable other materials and manufacturing methods suitable for assembly and manufacturing, according to the present description.

The cover 12 defines ventilation openings, such as, for example, sheath openings 46 that provide cooling to an adjacent part of the subject's member. The sheath openings 46 pass completely through sheet 34 upper and lower sheet 36. This advantageously improves the comfort for the subject during use. The cover 12 includes a welded part 48 surrounding the sheath opening 46 to seal the respective chamber of the opening and prevent fluid communication between them. The cover 12 also includes holes 47 of ventilation that provide cooling. The cover 12 is expected may include a plurality of ventilation openings arranged in various ways in the surroundings.

A ventilation opening, such as, by example, a ventilation slot 50 is disposed between the chamber 20 inflatable and inflatable chamber 22. The ventilation slot 50 passes completely through the upper sheet 34 and the sheet 36 lower. Advantageously the ventilation slot provides cooling the subject and increases calf mobility and the ankle during use. It is contemplated that slot 50 of Ventilation can extend various lengths.

The thigh part 14 includes an axial line of spot welding 52 defining subchambers 54 of chamber 16 inflatable Similarly, calf part 24 includes a axial welding line 55 by points defining sub-chambers 56 of inflatable chamber 20 and ankle part 26 includes a weld 58 by points that defines subchambers 60 of inflatable chamber 22. Be provides that the subchambers can be formed alternately by continuous welding, adhesive, heat sealing, etc. It is also expected that welding 58 can be arranged in various orientations to create alternative configurations for subchambers.

The valve connector 28 communicates with the chambers 16, 20 and 22 via a fluid section. The fluid section includes the tube 62 that connects the valve connector 28 to the source 30 of pressurized fluid, which may include a pump (see, for example, the control pump described in US Patent Application No. Series 10 / 784,323, filed on February 23, 2004 and entitled Compression Treatment System . The source 30 of pressurized fluid can be stationary or portable. It is contemplated that the source 30 of pressurized fluid may include electronics, computer software, etc. necessary to carry out vascular therapy, according to the principles of the present description.

The tube 62 is attached to the valve connector 28 by a coupler 64, as shown in Figure 3. The tube 66 extends from the valve connector 28 and connects by fluid to the inflatable chamber 20. The tube 67 extends from the valve connector 28 and is connected by fluid to the inflatable chamber 22. The tube 68 extends from the connector 28 of valve and is connected by fluid to the inflatable chamber 16. He tube 68 includes a quick disconnect port 70. The light 70 joins the valve connector 28 and can be removed easily to facilitate the removal of the thigh part 14 of the calf part 24. Tube 62 and lights 65A, 65B and 65C are correspond to tubes 67, 66 and 68, respectively. It is expected that the valve connector 28 can be fixed with the sheath 12, detachable, tied, etc. It is also provided that the port 70 can be fixed with valve connector 28 and that tube 68 can Dismount from the thigh part 14.

The cover 12 includes clamping parts, such such as velcro pads 72 mounted on a hitch orientation with velcro 74 pads corresponding. Velcro pads 72, 74 allow a secure mounting of the cover 12 with the leg L of a subject. Be contemplates that one or a plurality of fastening parts may be arranged in various ways around the sheath 12. It also contemplates that the clamping parts may include, by example, fasteners, adhesive, brooches, etc.

Referring to the figures 4-7, the compression apparatus 10, similar to the one described above, it is assembled, sterilized and packaged for use. In operation, the compression apparatus 10 is provided and manipulates for placement around a leg L of the subject. He tube 66 is connected to calf part 24 and tube 67 is connect with the ankle part 26. The tube 68 connects with the part 14 thigh. Tubes 66, 67 and 68 connect to connector 28 valve, which connects to tube 62 and fluid source 30 under pressure (figures 4C and 4D). Therefore, the fluid section of the compression apparatus 10 establishes a fluid communication between the source 30 of pressurized fluid and chambers 16, 20 and 22.

The cover 12 is wrapped around the leg L and is attached to it by velcro pads 72, 74, discussed above, as shown in Figures 4A and 4B. The sheath 12 extends a length from below the knee of leg L, by the second part 18, even by above the knee, using part 14 of the thigh. The apparatus 10 compression is activated sequentially by supplying fluid to pressure to chambers 16, 20 and 22 through the fluid section. In one embodiment and as shown in figure 7, source 30 Pressurized fluid supplies air to sheath 12 in a cycle of 60 seconds that includes 11 seconds in compression and 49 seconds in decompression. Compressed air is supplied to chamber 22 Inflatable for 2.5 seconds. Then air is supplied compressed to inflatable chamber 20 for 2.5 seconds. After, Compressed air is supplied to inflatable chamber 16 for 2.5 seconds. The compression apparatus 10 maintains inflation during several seconds until the 11th second and then deflate simultaneously cameras 16, 20 and 22. It is contemplated that this sequential compression can continue for a plurality of cycles, according to the requirements of a vascular therapy application particular. Other compression cycles are also contemplated. sequential. It is envisioned that various forms of fluid may supplied to the sheath 12, such as, for example, liquid, gases, etc.

After a desired period of time in which sequential compression elapses, for example the time of recovery, etc. according to the requirements of an application of particular vascular therapy, part 14 of the thigh can removed from the second part 18. Therefore, the cover 12 can transform from the length that extends from below the knee to above the knee, at a length that extends only below the knee. The cover 12 is manipulates such that the thigh part 14 is removed and torn of the calf part 24 by the perforations 32, such as shown in figures 6A and 6B. The port 70, connected to tube 68, it is easily manipulated to disconnect it quickly of valve connector 28, as shown in Figure 5B. The remaining part of the cover 12, the second part 18 which includes the calf part 24 and ankle part 26, is independent and It continues to function as described above. This transform the cover 12 of a full leg length apparatus to a knee length device. The apparatus 10 of compression can be used until the end of an application of desired vascular therapy. Also, other methods of use, for example, the thigh part 14 cannot be removed and remains with the cover 12.

As stated above, after the optional removal of the thigh part 14, a user or doctor disconnects the tube element 68 and the disconnect port 70 of connector 28. Connector 28 (and optionally port 70 of disconnection) is configured in such a way that, after separation of the tube 68 of the connector 28, an amount is continuously reached desired flow of fluid from the fluid source 30 through the connector 28. Such a continuous fluid flow is desirable to maintain continuity with the source 30 of pressurized fluid. That is, no it is necessary to make fluid flow adjustments at source 30 of fluid, if a user or doctor decides to remove part 14 of the thigh of the compression apparatus 10. Even after the withdrawal of the part 14 thigh, source 30 of pressurized fluid will continue supplying the same amount of fluid and pressure through the 65C tube to connector 28 and out to the atmosphere.

Referring to figure 8, a alternative embodiment of the compression apparatus 10. The cover 12, similar to that described above, includes part 14 of thigh and a second part 118. The second part 118 has a part 124 of calf and ankle part 126 that includes a camera 122 inflatable The source 30 of pressurized fluid (Figure 1) communicates by fluid with the sleeve 12 by a valve connector 28 and a tube 62 (figure 1). The valve connector 28 communicates by fluid with chambers 16 and 122 by tubes 68 and 166 separated, respectively, for employment similar to that described above, including the optional withdrawal of part 14 of thigh through perforations 32.

It will be understood that various modifications may be made to the embodiments described herein. For example, the tearing and disassembly characteristics of the instantaneous compression apparatus 10 can be used with other compression apparatuses (see, the compression apparatus described in US Patent Application Serial No. 10 / 784,604, filed 23 February 2004 and titled Compression Apparatus ( Compression Apparatus ). Therefore, the above description should not be construed as limiting, but merely as exemplification of the various embodiments. Those skilled in the art will envision other modifications within the scope of the claims appended hereto.

Claims (19)

1. A compression apparatus comprising:

a cover (12) configured for placement around a member,

including the founds a first part (14) that defines a first camera (16) expandable and a second part (18) defining a second chamber (20) expandable and a third chamber (22) expandable,

including the second part (18) of a connector (64) in use in fluid communication with a source (30) of pressurized fluid and thereby facilitating the first expandable chamber, the second expandable chamber and the third expandable chamber fluid communication between the source of pressurized fluid and chambers,

in which the first part of the cover can be removed from the second part of the cover;

characterized in that the cover further comprises perforations (32) by which the cover can be torn to remove the first part of the cover from the second part of the cover.

2. A compression apparatus according to the claim 1, wherein the first part is configured to its placement around a first part of the member and the second part is configured for placement around a Second part of the member. 3. A compression apparatus according to the claim 1, wherein the second expandable chamber is arranged with the second part for placement around a second part of the member and the third expandable chamber is arranged with the second part for placement around a third part of the member. 4. A compression apparatus according to the claim 1, wherein the first expandable chamber defines the minus a subcamera (54). 5. A compression apparatus according to the claim 4, wherein the second expandable chamber defines the minus a subcamera (56). 6. A compression apparatus according to the claim 5, wherein the third expandable chamber defines the minus a subcamera (60). 7. A compression apparatus according to the claim 1, wherein the sheath defines at least one opening (46) ventilation. 8. A compression apparatus according to the claim 7, wherein the at least one opening includes openings formed on a chamber surface expandable 9. A compression apparatus according to the claim 7, wherein the at least one opening includes a slot (50) disposed between the second expandable chamber and the third expandable chamber. 10. A compression apparatus according to the claim 1, wherein the connector communicates with the cameras by a tubular section (62). 11. A compression apparatus according to the claim 10, wherein the tubular section of the first chamber Expandable can be removed from the connector. 12. A compression apparatus according to the claim 1, comprising the source (30) of pressurized fluid, in which a pressurized fluid is supplied to the chambers for expansion thereof in a sequential time interval of such so that the first expandable chamber expands for 2.5 seconds, then the second expandable chamber expands for 3.0 seconds and then the third expandable chamber expands for 5.5 seconds 13. A compression apparatus according to the claim 1, wherein the cameras contract simultaneously. 14. A compression apparatus according to the claim 1, wherein:

the cover (12) is configured to wrap a leg and define a plurality of ventilation openings,

the cover includes a thigh part (14) defining the first expandable chamber (16) which has subchambers, also including the cover a part (18) of calf that defines the second expandable chamber (20) that has subchambers and an ankle part (26) defining the third chamber (22) expandable that has subchambers,

including the calf part of the sheath a valve connector (64) that communicates by fluid both a source (30) of pressurized fluid as the chambers by a tubular section (62) to facilitate the inflation of the cameras,

being detachably connected the thigh part of the sheath to the calf part of the sheath by said perforations in the sheath along which the sheath can be torn to remove the thigh part of the calf part, and being able to the tubular section of the first expandable chamber of the valve connector when the thigh part of the part is removed calf

15. A compression apparatus according to the claim 14, wherein the sheath further includes a groove (50)  of ventilation arranged between the second expandable chamber and the third expandable chamber. 16. A compression apparatus according to the claim 14, comprising the source (30) of pressurized fluid,  in which a pressurized fluid is supplied to the chambers of such so that the first expandable chamber inflates for 2.5 seconds, then the second expandable chamber inflates for 3.0 seconds, then the third expandable chamber inflates for 5.5 seconds and then the cameras deflate simultaneously. 17. A compression apparatus according to the claim 1, wherein the sheath extends a length from below the knee of one leg to above the knee, in which, when removing the first part of the sheath of the second part of the case, the case can be transformed from the length that extends from below the knee to by above the knee, to a length that extends only by under the knee 18. A compression apparatus according to the claim 16, wherein the length of the sheath that extends  from below the knee to above the knee includes the first part placed around the thigh of a leg, being able to disassemble the first part of the cover. 19. A compression apparatus according to the claim 1, further comprising:

a first tube (68) extending from the connector and connecting by fluid to the first expandable chamber,

a second tube (66) extending from the connector and connecting by fluid to the second expandable chamber,

a third tube (67) extending from the connector and connecting by fluid to the third expandable chamber,

understanding said first tube a quick disconnect port (70) that allows easy removal of the first tube from the connector when remove the first part of the case from the second part of the case, said second tube and said third tube remaining attached to the connector when the first part of the case is removed from the Second part of the case.