Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
  • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
  • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
  • A61B1/00002—Operational features of endoscopes
  • A61B1/00043—Operational features of endoscopes provided with output arrangements
  • A61B1/00045—Display arrangement
  • A61B1/00048—Constructional features of the display
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
  • A61B50/10—Furniture specially adapted for surgical or diagnostic appliances or instruments
  • A61B50/13—Trolleys, e.g. carts
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
  • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
  • F16M11/02—Heads
  • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
  • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
  • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
  • H04N23/50—Constructional details
  • H04N23/51—Housings
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
  • H04N23/50—Constructional details
  • H04N23/53—Constructional details of electronic viewfinders, e.g. rotatable or detachable
  • H04N23/531—Constructional details of electronic viewfinders, e.g. rotatable or detachable being rotatable or detachable
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
  • H04N23/50—Constructional details
  • H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes

Definitions

• the present invention relates to the technical field of fastening systems making it possible to temporarily secure two parts, one of which is in the form of a tube, a rod, a bar, namely a mast in the general sense.
• the present invention finds applications more particularly in the field of non-implantable medical devices where a medical device is to be temporarily fixed on a mast of support equipment, such as an infusion stand or an IV rod.
• a preferred application of the object of the invention relates to the temporary attachment of a viewing screen of a medical endoscope on support equipment, such as an infusion stand or an IV rod.
• Screw fixing systems comprising a hoop in which the mast is engaged.
• One of the arms of the hoop is provided with a screw, the tightening of which on the mast makes it possible to fix the part provided with the hoop, as described for example by patent application CN 206151751.
• the disadvantage of this system screw fixing is its low clamping force which does not allow to ensure a safe and effective fixing on the mast, of a relatively heavy part. Furthermore, the manipulations for adjusting the orientation around the mast require the use of both hands.
• patent application US 2003/149431 describes a system comprising a vertebral fixing rod which is coupled to a vertebra by means of a pedicle screw anchored in a vertebra.
• This system comprises a tubular body receiving at one end the head of the pedicle screw while the other end is provided externally with a thread to receive an external locking nut of the rod inserted in a diametrical opening made in the tubular body.
• the vertebral fixation rod is locked in position relative to the tubular body by means of an internal nut cooperating with an internal thread of the tubular body.
• US Pat. No. 6,843,791 describes a spinal fixation system comprising a spinal fixation rod which is coupled to a vertebra via a pedicle screw anchored in a vertebra.
• This system comprises a tubular body receiving at one end the head of the pedicle screw while the other end is provided on the outside with a thread for receiving a locking nut for the rod inserted in a diametrical opening made in the tubular body.
• the locking nut also has a rotating threaded internal portion screwed onto the tubular body to lock the spinal fixation rod.
• Document EP 1 348 388 also describes a spinal fixation system comprising a spinal fixation rod which is coupled to a vertebra by means of a pedicle screw anchored in a vertebra.
• This system comprises a tubular body having a diametral housing for mounting the rod assembled using a locking nut screwed onto the tubular body.
• Patent application US 2014/018867 also describes a pedicle screw comprising a head having a diametral housing for mounting a fixing rod assembled using a locking nut comprising a central filling element and screwed onto the external part of the screw head.
• CN patent application 105496540 also describes a vertebral fixation system comprising a vertebral fixation rod which is coupled to a vertebra by means of a pedicle screw anchored in a vertebra.
• This system comprises a tubular body having a diametral housing for mounting the rod assembled using a locking nut screwed onto the tubular body and comprising an internal part resting on the rod.
• the present invention therefore aims to remedy the drawbacks of the state of the art by proposing a new material provided with a removable fixing system designed to adapt to poles of different diameters, having a clamping force sufficient to block in a fixed position a heavy part while presenting an ease for the adjustment of the orientation around the mast.
• the equipment comprises a system for fixing to a mast of a non-implantable medical device
• the fixing system comprises a body equipped with the medical device and from which extend projecting in vis-à-vis two jaws delimiting between them, an open engagement housing for the mast ending at the level of the body, by a bottom which gradually decreases in a frustoconical portion to adapt to masts of different diameters, the two jaws being threaded externally by a thread and having free ends from which is engaged a Threaded locking wheel comprising a threaded ring and a tubular support skirt for the jaws bearing against the surface of the jaws opposite to that provided with the thread, this tubular skirt being integral with the threaded ring extending coaxially with the '' inside the threaded ring to allow engagement of the jaws between the threaded ring and the tubular skirt and the screwing of the threaded ring on these jaws, in order to ensure the clamping of the mast between the bottom of the housing and the locking wheel
• the jaws are produced by cylinder portions each extending along an angular range of between 30 ° and 60 °.
• the threaded ring has a length greater than the length of the tubular skirt to allow the axial engagement without rotation, of the locking wheel threaded on the jaws.
• the threaded ring is equipped with a locking flange extending externally at one of the ends of the threaded ring in the form of an annular disc, intended to come into abutment against the mast.
• the threaded locking wheel has an externally, a groove bordered on both sides by a locking flange and by a stop flange to form a winding housing for a cable.
• the body is equipped with a removable fixing system for a non-implantable medical device.
• the non-implantable medical device is mounted on the body in a joint allowing relative rotation of the body with respect to the non-implantable medical device, along the articulation axis.
• the body is provided with a stop limiting the pivoting along the axis of articulation of the non-implantable medical device.
• the equipment comprises support equipment having a mast on which is mounted a fixing system according to the invention.
• the non-implantable medical device is a display screen intended to be connected to a medical endoscope.
• Figure 1 is a side view of an exemplary embodiment of a material provided with a removable fixing system according to the invention, ensuring the mounting of a non-implantable medical device on support equipment.
• Figure 2 is a perspective view of equipment provided with a removable fixing system according to the invention.
• Figure 3 is a perspective view of part of the equipment provided with the removable fixing system according to the invention.
• Figure 4 is a sectional view of the equipment provided with the removable fixing system according to the invention.
• the object of the invention relates to equipment comprising a removable fixing system 1 making it possible to ensure a removable assembly of a part 2 on a mast 3 in the general sense such as a tube, rod, column or bar for example.
• the mast 3 is part of a support equipment 4 of all types known per se.
• the support equipment 4 relates to the medical field.
• the support equipment 4 comprises a fixed or mobile base 5 from which the mast 3 rises vertically.
• the support equipment 4 is mobile so that the base 5 comprises casters 6.
• the support equipment 4 can thus be a medical accessory commonly called an infusion stand or IV rod.
• the support equipment 4 can be produced in a different way, such as in the form of a piece of furniture, a bed or a trolley equipped with a mast extending over a more or less limited height.
• the removable fixing system 1 is intended to be mounted temporarily on the mast 3 of the support equipment 4.
• the removable fixing system 1 is provided as as part 2, of a medical device that cannot be implanted in the human body.
• This non-implantable medical device 2 is thus accessible during its use while being able to be moved on the mast and detached from the mast.
• the non-implantable medical device 2 is a medical monitor or advantageously a display screen intended to be connected to a medical endoscope of all types known per se.
• This display screen 2 can thus be fixed temporarily on the support equipment 4 (infusion stand or IV rod for example) in particular when using the medical endoscope to which the display screen 2 is connected.
• the removable fixing system 1 is of the screw-nut type so that it is made in two independent parts.
• the removable fixing system 1 thus comprises a body 10 forming the screw part and fitted with the non-implantable medical device 2 and a nut part produced in the form of a threaded locking wheel 11 intended to be screwed onto the body 10.
• the body 10 comprises two wings or jaws 12 projecting from the body 10 and facing each other in order to define between them an open housing 14 for engagement for the mast 3.
• Each jaw 12 has a free end 12a and, on the other hand, a connection end 12b to the body 10.
• the two jaws 12 have an outer surface forming part of a cylinder of circular section with a longitudinal axis X and provided with a thread 15.
• the jaws 12 thus have a threaded outer surface.
• the thread 15 produced on the jaws 12 is adapted to ensure the screwing of the threaded locking wheel 11.
• the two jaws 12 are two opposite segments of a tube provided on the outside with the thread 15 and open by a diametrical slot formed from its free end in order to produce the open housing 14.
• the jaws 12 are made by two symmetrical portions d 'a cylinder each extending over an angular range of between 30 ° and 60 ° for example.
• the two jaws 12 thus extend symmetrically on either side of an insertion plane Pi.
• the two jaws 12 define between them, a housing 14 opening through a passage 14a at the free ends 12a and ending with a bottom 14b at the body 10.
• the bottom 14b serves as a stop for the mast 3 which comes to be interposed between the bottom 14b and the threaded locking wheel 11.
• the thread 15 can advantageously extend back from the bottom 14b of the open housing 14.
• the bottom 14b of the open housing 14 has in a transverse plane Pt perpendicular to the insertion plane Pi, a section which increases progressively in the direction of the free ends 12a of the jaws 12 as is clearly apparent from Fig. 4.
• the two jaws 12 have in the transverse plane Pt, a section 12c which increases in the direction of the body 10 to define the bottom 14b.
• the open housing 14 thus has in the transverse plane Pt, a constant section from the free ends 12a of the jaws over for example 2/3 of its length and a section which forms the bottom 14b and which gradually decreases in a frustoconical portion 12c for end, for example, with a rounded portion 12d.
• the base 14b is thus adapted, by its frustoconical portion 12c which increases progressively towards the free ends 12a of the jaws 12, to serve as a stop for poles 3 of different diameters.
• the removable fixing system 1 according to the invention can be mounted on a mast 3, the largest diameter of which corresponds to the width of the open housing 14 taken between the jaws in the transverse plane Pt and in a direction perpendicular to the longitudinal axis X . For poles 3 of smaller diameter, the poles engage more or less deeply into the frustoconical part 12c of the open housing 14.
• the threaded locking wheel 11 comprises a threaded ring 16 having a longitudinal axis X.
• this ring 16 has an internal tubular face 17 provided with a thread 18 intended to cooperate with the thread 15 of the jaws.
• This threaded locking wheel 11 is engaged once the mast 3 is engaged in the open housing 14, from the free ends 12b of the jaws to be screwed on these jaws 12, in order to ensure the clamping of the mast 3 between the bottom 14b of the housing and threaded locking wheel 11.
• the threaded locking wheel 11 is equipped with a locking flange 20 projecting outwardly from one of the ends of the threaded ring 16 in the form of an annular disc centered along the longitudinal axis X and having a central hole 20a to allow the engagement of the threaded locking wheel on the jaws 12.
• the locking flange 20 abuts against the mast 3 contributing to the effective tightening of the body 10 on the mast 3.
• the threaded locking wheel 11 comprises a stop flange 22 extending outwardly at the end of the threaded ring 16, opposite to that provided with the locking flange 20.
• This flange of stop 22 is produced in the form of a disc centered along the longitudinal axis X and provided at its periphery with notches 22a facilitating the maneuvering in rotation of the threaded locking wheel 11.
• the stop flange 22 and the end plate. blocking 20 delimit a groove 25 between them to form a winding housing for a cable 7.
• the threaded locking wheel 11 comprises a tubular support skirt 26 for the jaws 12, extending coaxially with the threaded ring 16 and inside the threaded ring.
• This tubular skirt 26 is integral with the threaded ring 16 to form a single piece.
• the threaded locking wheel 11 has a transverse face 11a from which the tubular skirt 26 and the threaded ring 16 extend concentrically so as to define between them an annular space 28 allowing the engagement of the jaws 12 between the threaded ring 16 and the tubular skirt 26.
• the transverse face 11a is for example a closed face advantageously protruding from the threaded ring 16 to form the stop flange 22.
• this tubular skirt 26 is positioned so as to come into contact with the smooth internal surface of the jaws 12 opposite to that provided with the thread 15. As shown in the drawings, the tubular skirt 26 has a surface smooth outer intended to come into contact with the smooth inner surface of the jaws 12. Thus, the two jaws 12 are supported in a position keeping them parallel to each other. The tubular skirt 26 thus ensures, during the tightening operation, the good cooperation between the thread
• the tubular skirt 26 thus prevents sagging of the jaws 12 liable to alter the cooperation between the threads 15, 18.
• tubular skirt 26 and the threaded ring 16 have along the longitudinal axis X, substantially the same length. According to an alternative embodiment, it should be noted that the threaded ring
• the threaded ring 16 may have a length greater than the length of the tubular skirt 26 to allow the axial engagement without rotation, of the threaded locking wheel on the jaws 12, over a limited length.
• the threaded ring 16 has a length which is double the length of the tubular skirt 26.
• the removable fixing system 1 according to the invention follows directly from the above description.
• the mast 3 can be engaged in the open housing 14 between the jaws 12.
• the threaded locking wheel 11 can then be screwed from the free ends of the jaws 12.
• the threaded locking wheel 11 is screwed until the mast 3 is locked between the bottom of the housing 14 and the threaded locking wheel 11.
• the removable fixing system 1 according to the invention can be implemented without the body 10 being separated from the threaded locking wheel 11.
• the removable fixing system 1 is arranged so that the mast 3 can be threaded into the part of the open housing 14 which is accessible between the body 10 and the threaded locking wheel 11.
• the removable fixing system 1 thus makes it possible to quickly, easily and safely fix a non-implantable medical device 2 on the mast 3 of a support equipment 4, such a mast which may have different diameters.
• This removable fixing system 1 also allows easy adjustment of the non-implantable medical device 2 both in height along the mast 3 and in azimuth around the mast 3.
• the mast 3 is blocked between the bottom 14b of the housing 14 and the threaded locking wheel 11. It should be noted that an elastomeric material can be interposed between the mast 3 and the bottom 14b of the housing and / or between the mast 3 and the threaded locking wheel 11 and more precisely, the locking flange 20. This elastomeric material which can be integrated or added is able to reinforce the adhesion of the fixing system on the mast 3 .
• the body 10 is rigidly fixed to the non-implantable medical device 2 using a complete connection.
• the non-implantable medical device 2 is mounted on the body 10 according to an articulation 30 allowing relative rotation of the non-implantable medical device 2 with respect to the body 10, about an axis joint A.
• the joint axis A extends in a direction perpendicular to the insertion plane Pi so that the non-implantable medical device 2 can be oriented in elevation, which makes it possible to adjust the inclination of the non-implantable medical device 2 relative to the horizontal plane when the non-implantable medical device 2 is mounted on a vertical mast 3.
• Such a variant is advantageous when the non-implantable medical device 2 is a display screen.
• the articulation 30 is produced in any suitable manner as in the form of a hinge comprising a plate 10a projecting from the body 10 and engaged between the branches 31a of a yoke 31 fixed to the non-implantable medical device 2.
• the yoke 31 and body 10 are assembled together by a pin 32 defining the articulation axis A and passing through the branches 31a and the plate 10a to allow rotation of the non-implantable medical device 2 around the articulation axis A.
• the articulation 30 between the yoke 31 and body 10 is produced with a predetermined adhesion of so that the angulation which is imposed between the yoke and the body 10 is preserved.
• the friction between the branches 31a and the plate 10a are such that in the absence of application of a force on the non-implantable medical device 2, the non-implantable medical device 2 remains in a position. stable position with the orientation that has been given to it with respect to the body 10.
• the non-implantable medical device 2 is able to occupy different stable positions corresponding to several orientations in elevation.
• the body 10 is provided with a stop 10b limiting the pivoting of the non-implantable medical device 2 along the articulation axis A.
• the plate 10a of the body 10 has a free end edge 10b engaged between the branches 31a of the yoke 31 and against which the bottom 33 of the yoke is intended to abut for a predetermined angulation between the body 10 and the yoke 31.
• This position of stop for which the bottom 33 of the yoke bears against the free end edge 10b of the body 10 determines the maximum angulation that can be taken by the non-implantable medical device 2 with respect to the body 10.
• the body 10 is equipped with a removable or removable fixing system for the non-implantable medical device 2.
• this removable fixing system makes it possible to assemble temporarily the non-implantable medical device 2 with the body, or even with the yoke 31.
• Such a system is adapted to be able to easily mount and dismantle the non-implantable medical device 2 with respect to the body 10 or to the yoke 31.
• This system of removable fixing can be produced in any suitable manner such as in the form of complementary slides arranged on the non-implantable medical device 2 and the body 10 or even the yoke 31.
• the object of the invention also relates to equipment 35 comprising support equipment 4 having a mast 3 on which is mounted a fixing system 1 according to the invention.
• a fixing system 1 has a body 10 on which is mounted a non-implantable medical device 2 which according to a preferred application is a display screen intended to be connected to a medical endoscope.

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• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Surgery (AREA)
• General Engineering & Computer Science (AREA)
• Heart & Thoracic Surgery (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Medical Informatics (AREA)
• Molecular Biology (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Biomedical Technology (AREA)
• Signal Processing (AREA)
• Mechanical Engineering (AREA)
• Multimedia (AREA)
• Optics & Photonics (AREA)
• Pathology (AREA)
• Radiology & Medical Imaging (AREA)
• Biophysics (AREA)
• Physics & Mathematics (AREA)
• Prostheses (AREA)
• Apparatus For Radiation Diagnosis (AREA)
• Infusion, Injection, And Reservoir Apparatuses (AREA)
• Surgical Instruments (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=71111496

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Citations (1)

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• 2020
  • 2020-01-17 FR FR2000447A patent/FR3106263B1/fr active Active
  • 2020-12-22 EP EP20851325.9A patent/EP4090216A1/de not_active Withdrawn
  • 2020-12-22 US US17/793,067 patent/US20230044896A1/en not_active Abandoned
  • 2020-12-22 WO PCT/FR2020/052595 patent/WO2021144515A1/fr not_active Ceased

Patent Citations (1)

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