EP3921844A1 - Dispositif de détermination de la technique de pose d'une bande de compression - Google Patents
Dispositif de détermination de la technique de pose d'une bande de compressionInfo
- Publication number
- EP3921844A1 EP3921844A1 EP20702134.6A EP20702134A EP3921844A1 EP 3921844 A1 EP3921844 A1 EP 3921844A1 EP 20702134 A EP20702134 A EP 20702134A EP 3921844 A1 EP3921844 A1 EP 3921844A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compression
- limb
- band
- patient
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/30—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/06—Bandages or dressings; Absorbent pads specially adapted for feet or legs; Corn-pads; Corn-rings
- A61F13/08—Elastic stockings; for contracting aneurisms
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
Definitions
- TITLE Device for determining the technique of laying a compression band
- the present invention relates to a method for determining the technique of placing at least one compression band suitable for exerting a predetermined compressive pressure on at least a portion of a limb of a patient.
- the invention also relates to a method for delivering a compression band implementing this method of determination as well as a device for determining the technique for laying at least one compression band capable of implementing such a method. of determination.
- compression articles such as stockings, tights, socks, compression sleeves or the like, are generally used. Such articles are sized to apply the desired pressure and a particular article always applies the same compression pressure. The articles are thus offered in different sizes suitable for applying different compression pressures. The choice of a type of compression article and its size depends on the part of the limb to which the treatment is to be applied and the pressure desired.
- the compression applied by such a band is not constant and depends in particular on the elongation of the compression band on installation and on the technique of laying the compression band, that is to say on the number overlaps of the band on itself around the part of the limb on which the compression band is wound.
- the compression exerted by a band is not for example not the same according to the number of turns that a band made around the part of the limb, according to whether it is placed in a spiral or in spikes, according to whether it is overlapped more or less and according to whether it is more or less stretched when it is laid.
- the compression bands are for example prescribed by a doctor or a physiotherapist who must choose one or more bands suitable for exerting the pressure level making it possible to treat the patient's pathology, in particular by indicating the technique for fitting these bands.
- the bands are then delivered by a pharmacist who must choose the appropriate dimensions of the band to meet the prescription and to cover the part of the limb according to its morphology. Finally, the bands are applied to the patient by a nurse or caregiver who must apply the bands in the order and technique prescribed.
- One of the aims of the invention is to overcome these drawbacks by proposing a method for determining the technique for fitting a compression band making it possible to indicate in a simple manner to a practitioner the technique for fitting at least one. compression band given to a limb part to apply a predetermined pressure to that limb part.
- the invention relates to a method for determining the technique for fitting at least one compression band suitable for exerting a predetermined compression pressure on at least part of a limb of a patient, said method comprising at least the following steps:
- the method according to the invention therefore allows a practitioner to obtain objectively the technique of fitting a particular compression band suitable for applying the predetermined pressure as a function of measured and / or entered information.
- the installation of the compression band is less dependent on the experience of the practitioner and on the information provided by the manufacturer of the band.
- the method of determining the compression pressure applied by a compression band to a part of a limb relating the installation technique and the predetermined compression pressure is Laplace's law
- the information relating to the compression band includes at least the laying elongation of the compression band to determine the tension of the laying compression band to apply the predetermined compression pressure;
- the information relating to a dimension and / or a geometry of the limb part of the patient comprises at least one radius of curvature of the limb part to be covered by the compression band;
- the radius of curvature is the radius of curvature at at least one given point of the part of the limb to be covered by the compression band;
- the method comprising a step of determining the number of compression bands to be applied to the part of the patient's body, of the order of d application of said compression bands and the number of laps of each of said compression bands;
- the step of acquiring at least one piece of information relating to a dimension and / or a geometry of the limb part of the patient comprises a step of acquiring at least one image of said limb part;
- the invention also relates to a method of delivering at least one compression band adapted to exert a predetermined compressive pressure on at least part of a limb of a patient, said method comprising at least the following steps:
- the invention also relates to a device for determining the technique for placing at least one compression band suitable for exerting a predetermined compression pressure on at least part of a limb of a patient and suitable for implementing a determination method as described above, said device comprising:
- At least one device for acquiring at least one piece of information relating to a dimension and / or a geometry of the patient's limb part
- a prescription device comprising at least one module for calculating the number of overlaps of a compression band necessary to apply the predetermined compression pressure to said part of the limb from the information relating to a dimension and / or a geometry the patient's limb portion and a method of determining the compressive pressure applied by a compression band to a limb portion relating the placement technique to the predetermined compressive pressure.
- the prescription device is a module of an application accessible via the Internet.
- Fig 1 is a flowchart showing the different steps of the process according to the invention.
- FIG 2 is a schematic representation of a step and a device for acquiring information relating to the dimension or the geometry of a part of a limb in a method and a device for determining according to the invention
- FIG 3 is a schematic representation of compression bands of different characteristics that can be used in a method and a determination device according to the invention
- Fig 4 is a schematic perspective representation of a limb portion of a patient to which a compression band has been applied using a particular placement technique.
- a method and a device for determining the technique for fitting at least one compression band 1 adapted to exert a predetermined compression pressure P on at least part of a member 2 of a patient The application of such a band is, for example, provided for in the treatment or prevention of venous pathologies.
- the limb part 2 is for example a leg part, an arm part or the like of a patient.
- the use of compression bands is more particularly recommended when putting on a compression article, such as a stocking, a sock, a sleeve or any other garment suitable for exerting pressure on the body of a patient, is not possible or not recommended. It is understood that the application of one or more compression bands may be provided on a more or less extensive area to be covered on the limb 2 of a patient and that the area to be covered may correspond to the entire limb of the patient or to several members of it.
- the determination method according to the invention is implemented before placing one or more compression bands on a patient, that is to say without the compression band (s) being worn by a patient since it is precisely a question of determining how this or these bands should be placed on the patient.
- the invention aims more particularly to enable a health professional to know the technique of fitting one or more compression bands. having particular characteristics in order to apply a predetermined pressure on a part of the limb 2.
- different compression bands 1 having different characteristics, for example different mechanical characteristics, different length L and width I.
- the length L corresponds to the dimension of the strip according to the main direction in which the strip extends and according to which the strip is wound around the member part 1 and the width I corresponds to the dimension of the strip according to the perpendicular direction in the main direction and in which the band covers the limb part 2, as shown in FIG. 5.
- a first step A of the method (Fig. 1), at least one item of information relating to at least one compression band 1 is supplied to a prescription device 4, as shown schematically in Fig. 3.
- the information is at least the elongation of the compression band at the recommended installation, that is to say the stretch undergone by the compression band beyond its length L at rest when it is wrapped around a limb part 2.
- This information makes it possible to determine the tension T of the compression band 1 when it is wrapped around a limb part.
- the elongation of the compression band during installation is for example recorded in a memory of the prescription device 4 either manually by means of an input device, such as a keyboard, of the delivery system or automatically by importing, for example. information provided by the manufacturer of the compression band 1, for example from an online catalog.
- other information on the compression band 1 can also be supplied to the prescription device 4, such as information relating to the mechanical properties of the band, for example its elastic nature or not, to the materials used for make it, in its dimensions L and I, to the tape manufacturer, identification information of the tape, such as its trade name and / or a model or serial number and / or any other information relating to the tape which may be relevant to the treatment of the patient.
- information relating to the pressure range that the band is likely to apply is supplied to the prescription device 4.
- the information, such as those mentioned above, of several compression bands 1 having different characteristics is supplied to the prescription device 4.
- the information relating to ranges of bands having mechanical properties. different can be provided so that a wide range of applicable pressures can be offered.
- the information relating to all the compression bands made commercially available by one or more manufacturers is recorded in the prescription device 4. It is however understood that, for example when the available compression bands are not available. differ from each other only by their elongation at installation, only the information relating to this elongation can be supplied to the prescription device 4. More generally, it is understood that only the information which is likely to differ among the available bands. need to be supplied to the prescription device 4.
- the method according to the invention further comprises a step B of acquiring at least one item of information 6 relating to a dimension and / or a geometry of the part of the limb 2 of the patient to be covered by one or more compression bands 1, as shown in FIG. 2.
- the acquisition of this information 6 is carried out by means of at least one acquisition device 8 arranged to capture at least one image of the zone to be covered of the part of the limb 2. From the 'image obtained, at least one measurement is made to obtain a dimension of the area to be covered. Such a measurement is, for example, carried out in an automated manner using image processing software to which the acquired image is transmitted. The measured dimension is representative of the radius of curvature R of the area to be covered.
- the information relating to a dimension and / or a geometry is for example the average radius of curvature of the surface of the area to be covered or a dimension allowing this radius to be deduced.
- the information relating to a dimension and / or a geometry is the radius of curvature R at at least one given point of the area to be covered.
- the determination of the radius of curvature R is carried out at several points of the zone to be covered.
- the measurement can also include the height of the area to be covered.
- image acquisition devices 8 can be provided to capture images of the area to be covered from different viewing angles.
- the acquisition device 8 is movable around the limb part 2 and is arranged to acquire images of the area to be covered at regular intervals.
- the image acquisition device 8 is, for example, a camera or a photographic device.
- the image processing software is integrated into the image acquisition device and the information relating to a dimension and / or a geometry of the limb part 2 is transmitted to the prescription device 4, possibly after a calculation step C.
- the image (s) acquired are transmitted to the prescription device 4 and the information relating to a dimension and / or a geometry is obtained or calculated in the prescription device during step C.
- the acquisition device 8 and the prescription device 4 can be part of the same unit, for example formed by a portable device nomadic handled by a healthcare professional, as will be described later.
- the acquisition step is a step of scanning the part of the limb 2 in order to acquire a three-dimensional representation thereof.
- a three-dimensional representation which forms information relating to the geometry of the area to be covered, is more representative of the limb part 2 than the radius of curvature R and makes it possible to take into account all the variations in shape of the limb part. 2.
- the information relating to a dimension and / or a geometry of the limb part 2 can be obtained by a measurement carried out manually by a practitioner.
- the acquisition device is formed by the measuring tool used by the practitioner, such as a tape measure, for example to measure the circumference of the area to be covered, or the like.
- the information relating to a dimension and / or a geometry can be entered manually by means of the input device of the delivery system by the practitioner.
- the predetermined pressure P to be applied to the area to be covered of the limb part 2 is recorded in the prescription device 4.
- the predetermined pressure P is for example determined by a health professional during d. a consultation of the patient before the implementation of the method.
- the predetermined pressure P depends on the pathology to be treated.
- the mechanical characteristics of the appropriate compression band can in particular be determined, as is known per se.
- the application technique is determined by a calculation module of the prescription device 4 from the elongation of the band on application, obtained in step A, from the information relating to a dimension and / or a geometry of the part of the limb obtained in step B or C and of the predetermined pressure P entered in step D.
- laying technique is meant at least the number of overlaps of the band of compression on itself to exert the predetermined pressure P on the limb part 2.
- the technique installation is in particular determined from a method for determining the compression pressure applied by a compression band to a part of the limb relating the installation technique and the predetermined compression pressure.
- the calculation of the number of recoveries is carried out by means of the Laplace equation:
- n is the number of overlaps of the strip
- T is the tension of the strip under its elongation during installation
- R is the radius of curvature of the zone to be covered.
- the laying technique is determined by means of charts indicating the pressure applied by compression bands of different mechanical characteristics with different laying techniques. These charts are created by collecting pressure data applied to a population of subjects by bands with different characteristics and applied using different laying techniques. These charts make it possible to predict an applied pressure as a function of the characteristics of the band, the application technique and the patient, such as their sex and / or their age.
- the installation technique is determined by means of a digital model of the band and of the limb of the patient to which the tape is applied.
- the geometric model of the band is a digital winding on the three-dimensional representation of the limb part 2 to be covered.
- the calculation is thus based on the finite element method.
- the laying technique also comprises determining the number and the order of the compression bands to be applied to the limb part 2.
- the number and the order of the bands to be applied can for example be obtained by calculating for the set of possible combinations of bands the resulting pressure.
- the solution or solutions making it possible to reach the predetermined pressure P can then be proposed to the practitioner who chooses the preferred solution according to his practice habits.
- An optimal solution can also be proposed automatically based on implementation criteria, for example by preferring the solution involving the installation of the fewest possible bands, and / or therapeutic habits, for example the installation first of the low elongation band followed by the installation of a higher elongation band.
- the method is also able to indicate, when several compression bands are to be applied to the limb part 2, the number of compression bands to be applied to the part of the patient's body, the order of application of said bands. compression and the number of overlaps of each of said compression bands. Indeed, the installation of several superimposed bands having different mechanical properties can be considered in order to provide the desired pressure.
- the prescription device also indicates the overlap surface S between two successive turns of the band.
- the overlap surface corresponds to the part of the surface of the strip 8 which is covered by the next turn of the strip.
- the overlap area S expressed as a percentage, is related to the number of overlaps n of the Laplace law indicated previously and is such that:
- the overlap area may correspond to 25% or 50% of the area of the strip 8 in the case of a spiral winding, as shown in FIG. 4 for example.
- the determination method according to the invention makes it possible to give a health professional the technique of fitting one or more compression bands 1 adapted to apply a predetermined pressure P to a part of the limb 2 of a patient.
- the information relating to the application technique is for example displayed on a display device associated with the prescription device 4 of the determination device,
- the determination device comprising the prescription device 4 is therefore particularly suitable for health practitioners, for example pharmacists or the like, responsible for delivering to a patient the compression band or bands suitable for a treatment prescribed for this patient.
- Such a determination device can advantageously be in the form of an application for a portable device, such as a touchscreen tablet or a smartphone and / or accessible via the Internet.
- the information capture device and the prescription device 4 are modules of an application accessible via the Internet.
- the determination method described above is used in a method for delivering at least one compression band 1 arranged to allow a healthcare professional to deliver one or more compression bands 1 to a patient. having the most suitable dimensions for the zone to be covered and for a predetermined pressure P to be applied to this zone from among a range of compression bands 1 of different dimensions.
- Such a determination is made by establishing a geometric model of the part of the limb 2.
- a geometric model of the part of the limb 2.
- the geometric model is for example a cylinder of revolution, a truncated cone, a stack of at least two truncated cones or the three-dimensional representation of the limb part obtained by scanning the limb part 2.
- the determination device described above can thus be integrated into a system for delivering a compression band, making it possible to display which of the bands available correspond to the appropriate dimensions, for example by indicating the trade name and the model of the band (s). in question, at the same time as the information relating to the technique of application of this or these band (s) 4 so that the healthcare professional can deliver the appropriate band (s) and indicate according to which technique they should be applied to the area to cover to apply the desired pressure.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Primary Health Care (AREA)
- Epidemiology (AREA)
- Medical Informatics (AREA)
- Physical Education & Sports Medicine (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Massaging Devices (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1901116A FR3092244B1 (fr) | 2019-02-05 | 2019-02-05 | Dispositif de détermination de la technique de pose d’une bande de compression |
| PCT/EP2020/052593 WO2020161064A1 (fr) | 2019-02-05 | 2020-02-03 | Dispositif de détermination de la technique de pose d'une bande de compression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3921844A1 true EP3921844A1 (fr) | 2021-12-15 |
Family
ID=67956850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20702134.6A Withdrawn EP3921844A1 (fr) | 2019-02-05 | 2020-02-03 | Dispositif de détermination de la technique de pose d'une bande de compression |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3921844A1 (fr) |
| FR (1) | FR3092244B1 (fr) |
| WO (1) | WO2020161064A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2916964B1 (fr) * | 2007-06-05 | 2009-10-09 | Thuasne Soc Par Actions Simpli | Bande de compression. |
| US7867185B2 (en) * | 2008-07-01 | 2011-01-11 | Circaid Medical Products | Graduated compression device for the treatment of circulatory disorders |
| EP2875325B1 (fr) * | 2012-07-19 | 2019-11-13 | 3M Innovative Properties Company | Détermination d'allongement d'un bandage élastique |
-
2019
- 2019-02-05 FR FR1901116A patent/FR3092244B1/fr active Active
-
2020
- 2020-02-03 WO PCT/EP2020/052593 patent/WO2020161064A1/fr not_active Ceased
- 2020-02-03 EP EP20702134.6A patent/EP3921844A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020161064A1 (fr) | 2020-08-13 |
| FR3092244A1 (fr) | 2020-08-07 |
| FR3092244B1 (fr) | 2023-03-31 |
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