CN212038809U

CN212038809U - Adjustable knee bending position support for operation

Info

Publication number: CN212038809U
Application number: CN202020225274.1U
Authority: CN
Inventors: 杨彬奎
Original assignee: Eastern Theater General Hospital of PLA
Current assignee: Eastern Theater General Hospital of PLA
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-01
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a knee position support of bending over with adjustable operation is used, comprising a base plate, the right-hand member of bottom plate is stipulated to the head side, the left end of bottom plate is stipulated to the foot side, two the second tooth's socket processing is in the oblique foot side position of bottom plate, the upper surface of bottom plate corresponds the rigid coupling before and after the head side position that corresponds the second tooth's socket and has two third connecting blocks, first sleeve pipe passes through counter bore and second connecting axle clearance fit, first sheathed tube inside processing has first slide opening, first slide opening runs through first sheathed tube left end, first sheathed tube upper surface is seted up to the left side position and has been had first calorie of hole, symmetrical rigid coupling has two first connecting blocks around first sheathed tube first calorie of hole right side. This knee position support bends with adjustable operation can quick adjustment patient's the angle of bending the knee, and need not to hand, very big inconvenience of having avoided hand to bring has improved the reliability of operation, has guaranteed the quality of operation, has increased the security of operation.

Description

Adjustable knee bending position support for operation

Technical Field

The utility model relates to the technical field of medical equipment, specifically a knee position support bends with adjustable operation is used.

Background

Currently, in knee joint surgery and tibial intramedullary nail implantation surgery, it is necessary to bend the knee joint, support the knee joint at a specific angle, and maintain the position so as to facilitate the surgical operation. Currently, maintaining this flexed knee position is typically done by hand by a surgical assistant. The patient can maintain the knee bending position by holding the hand, the position is not fixed, and the lower limbs of the patient are held by the assistant for a long time, so that the patient is easy to fatigue, the position is more unstable, the operation is influenced, the reliability and the safety of the operation are reduced, the operation time is prolonged, and the quality of the operation is influenced. There are also some fixed supports used during surgery that are not adjustable to maintain the flexed knee position, but fixed supports have some disadvantages: the knee bending angle cannot be adjusted, and the requirements of different types of operations cannot be met; the height of the support cannot be adjusted, so that the support cannot adapt to patients with different heights and body types; protective devices such as pad protectors and the like cannot be additionally arranged, blood vessels and nerves behind the knee joint cannot be effectively protected, and the comfort of a patient is difficult to ensure; because of the fixed structure, the non-folding and the overlarge volume, the storage and the disinfection are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable knee bending position bracket for operation, which solves the problems that the knee bending angle and the supporting height can not be adjusted when in use, the comfort level of a patient can not be ensured, and the knee bending position bracket is very inconvenient to store and disinfect; the manual hand-holding mode has the defects that the stability is poor, the operation is influenced, the assistant holds the limb of the patient for a long time in the operation process, the assistant is fatigued, the stability is further reduced, the difficulty of the operation is increased, even unnecessary damage can be caused, the reliability of the operation and the quality of the operation are influenced, the safety of the operation is reduced, and the problem of prolonging the healing time is caused.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable knee bending position support for surgery comprises a bottom plate, wherein the right end of the bottom plate is specified as a head side, the left end of the bottom plate is specified as a foot side, second tooth grooves are machined in the front side and the rear side of the bottom plate, the two second tooth grooves are machined in the positions, deviated from the foot sides, of the bottom plate, two third connecting blocks are fixedly connected to the upper surface of the bottom plate in the front and rear directions corresponding to the positions, deviated from the head sides, of the second tooth grooves, and the two third connecting blocks are movably connected with a first strut through second connecting shafts;

the first support column comprises a first sleeve, a counter bore, a first sliding hole, a first clamping hole and a first connecting block;

first sheathed tube right side processing has the counter bore, first sleeve pipe passes through counter bore and second connecting axle clearance fit, first sheathed tube inside processing has first slide opening, first slide opening runs through first sheathed tube left end, first sheathed tube upper surface is seted up to the position on the left side has first card hole, symmetrical rigid coupling has two first connecting blocks around first sheathed tube first card hole right side.

Preferably, the first sleeve is in sliding sleeve connection with the rack through a first sliding hole;

the rack comprises a sliding rod, a first tooth groove and a through hole;

the upper surface processing of slide bar has first tooth's socket, the through-hole has been seted up to the left end of slide bar, the slide bar slides through first slide opening and cup joints with first sleeve pipe.

Preferably, the slide bar is movably connected with the support bar through a through hole;

the supporting rod comprises a cross beam, a disposable sheath, a connecting rod, a check ring and a stop block;

the outer wall cover of crossbeam has disposable sheath, the both ends of crossbeam respectively with two connecting rod integrated into one piece, two all overlap on the connecting rod and have the retaining ring, the connecting rod is kept away from crossbeam one end rigid coupling and is had the dog, the outer wall cover of connecting rod has two racks.

Preferably, a second pillar is sleeved on the outer wall of the rack between the cross beam and the retainer ring;

the second support column comprises a second sleeve, a first clamping tooth, a second sliding hole, a second clamping hole and a second connecting block;

the right-hand member processing of second sleeve pipe has first latch, first latch is connected with the second gear groove looks joint of bottom plate, the inside processing of second sleeve pipe has the second slide opening, the second slide opening runs through the sheathed tube left end of second and slides with the rack and cup joints, the second card hole has been seted up to the second sheathed tube upper surface off left position, the rigid coupling has two second connecting blocks around the sheathed tube second card hole right side position of second.

Preferably, the first connecting block of the first support column and the second connecting block of the second support column are provided with fixing mechanisms at the same position;

the fixing mechanism comprises a pressing plate, a second clamping tooth, a first connecting shaft and a torsion spring;

the lower surface left end even processing of clamp plate has a plurality of second latches, the second latch runs through first draw-in hole or second draw-in hole and the first flute looks joint of rack, the intermediate position of clamp plate and the outer wall clearance fit of first connecting axle, the outer wall both ends and first connecting block or the interference fit of second connecting block of first connecting axle, the outer wall intermediate position and the torsion spring of first connecting axle cup joint mutually, torsion spring's one end and clamp plate looks rigid coupling, torsion spring's the other end and first sleeve pipe or the laminating of second sleeve pipe mutually.

Preferably, the disposable sheath is a disposable axially open cushion.

Compared with the prior art, the beneficial effects of the utility model are that: this knee position support bends with adjustable operation can quick adjustment patient's the angle of bending the knee, and need not to hand, and very big the inconvenience of having avoided hand to bring has improved the reliability of operation, has guaranteed the quality of operation, has increased the security of operation, specifically as follows:

the support rod is connected with the bottom plate through the matching of the first sleeve, the counter sink, the first sliding hole, the first clamping hole and the first connecting block, and the support rod is supported through the matching of the second sleeve, the first clamping tooth, the second sliding hole, the second clamping hole and the second connecting block;

through the matching of the sliding rod, the first tooth groove, the through hole, the pressing plate, the second latch, the first connecting shaft and the torsion spring, the height adjustment of the supporting rod is realized, so that the practicability of the whole mechanism is improved;

through the cooperation of the cross beam, the disposable sheath, the connecting rod, the retainer ring and the stop block, the knee joint of the patient is supported, so that the knee joint of the patient does not need to be held by hands, and the operation quality is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the first pillar structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the rack structure of FIG. 1;

FIG. 4 is an enlarged view of the support rod of FIG. 1;

FIG. 5 is an enlarged schematic view of the second pillar structure of FIG. 1;

fig. 6 is a schematic view of an exploded structure of the securing mechanism of fig. 1.

In the figure: 1. the connecting device comprises a base plate, 2, a first support column, 201, a first sleeve, 202, a counter bore, 203, a first sliding hole, 204, a first clamping hole, 205, a first connecting block, 3, a rack, 301, a sliding rod, 302, a first tooth space, 303, a through hole, 4, a supporting rod, 401, a cross beam, 402, a disposable sheath, 403, a connecting rod, 404, a retainer ring, 405, a stop block, 5, a second support column, 501, a second sleeve, 502, a first clamping tooth, 503, a second sliding hole, 504, a second clamping hole, 505, a second connecting block, 6, a fixing mechanism, 601, a pressing plate, 602, a second clamping tooth, 603, a first connecting shaft, 604, a torsion spring, a connecting shaft, a head side, 8, a foot side, 9, a third connecting block, 10, a second connecting shaft, 11 and a second tooth space.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an adjustable knee bending position support for surgery comprises a bottom plate 1, wherein the right end of the bottom plate 1 is specified as a head side 7, the left end of the bottom plate 1 is specified as a foot side 8, second tooth grooves 11 are respectively processed on the front side and the rear side of the bottom plate 1, the two second tooth grooves 11 are processed at the positions of the foot-inclined sides 8 of the bottom plate 1, two third connecting blocks 9 are fixedly connected with the front side and the rear side of the upper surface of the bottom plate 1 corresponding to the positions of the head sides 7 of the second tooth grooves 11, and the two third connecting blocks 9 are movably connected with a first strut 2 through second connecting shafts 10; the first strut 2 comprises a first sleeve 201, a counter bore 202, a first slide hole 203, a first clamping hole 204 and a first connecting block 205; a countersunk hole 202 is formed in the right side of the first sleeve 201, the first sleeve 201 is in clearance fit with the second connecting shaft 10 through the countersunk hole 202, a first sliding hole 203 is formed in the first sleeve 201, the first sliding hole 203 penetrates through the left end of the first sleeve 201, a first clamping hole 204 is formed in the left position of the upper surface of the first sleeve 201, and two first connecting blocks 205 are symmetrically fixedly connected to the front and the rear of the right side of the first clamping hole 204 of the first sleeve 201. The second connecting shaft 10 is i-shaped, and a counter bore with the same size as the counter bore 202 of the first sleeve 201 is processed on the third connecting block 9.

The first sleeve 201 is sleeved with the rack 3 in a sliding manner through the first sliding hole 203; the rack 3 comprises a sliding rod 301, a first tooth groove 302 and a through hole 303; the upper surface of the sliding rod 301 is provided with a first tooth groove 302, the left end of the sliding rod 301 is provided with a through hole 303, and the sliding rod 301 is slidably sleeved with the first sleeve 201 through the first sliding hole 203.

The slide bar 301 is movably connected with the support rod 4 through a through hole 303; the support rod 4 comprises a cross beam 401, a disposable sheath 402, a connecting rod 403, a retainer ring 404 and a stop 405; the outer wall of crossbeam 401 overlaps has disposable sheath 402, and the both ends of crossbeam 401 respectively with two connecting rods 403 integrated into one piece, all overlap on two connecting rods 403 and have retaining ring 404, and connecting rod 403 keeps away from crossbeam 401 one end rigid coupling has dog 405, and the outer wall cover of connecting rod 403 has two racks 3.

A second pillar 5 is sleeved on the outer wall of the rack 3 between the cross beam 401 and the retainer ring 404; the second support column 5 comprises a second sleeve 501, a first latch 502, a second sliding hole 503, a second latch hole 504 and a second connecting block 505; a first latch 502 is processed at the right end of the second sleeve 501, the first latch 502 is clamped with the second tooth groove 11 of the bottom plate 1, a second sliding hole 503 is processed inside the second sleeve 501, the second sliding hole 503 penetrates through the left end of the second sleeve 501 and is slidably sleeved with the rack 3, a second latch hole 504 is formed on the upper surface of the second sleeve 501 at a position deviated from the left side, and two second connecting blocks 505 are fixedly connected to the front and the rear of the right side of the second latch hole 504 of the second sleeve 501.

The fixing mechanisms 6 are arranged at the positions of the first connecting block 205 of the first support column 2 and the second connecting block 505 of the second support column 5; the fixing mechanism 6 comprises a pressure plate 601, a second latch 602, a first connecting shaft 603 and a torsion spring 604; a plurality of second clamping teeth 602 are uniformly processed at the left end of the lower surface of the pressing plate 601, the second clamping teeth 602 penetrate through the first clamping hole 204 or the second clamping hole 504 to be clamped with the first tooth groove 302 of the rack 3, the middle position of the pressing plate 601 is in clearance fit with the outer wall of the first connecting shaft 603, two ends of the outer wall of the first connecting shaft 603 are in interference fit with the first connecting block 205 or the second connecting block 505, the middle position of the outer wall of the first connecting shaft 603 is sleeved with the torsion spring 604, one end of the torsion spring 604 is fixedly connected with the pressing plate 601, and the other end of the torsion spring 604 is attached to the first sleeve 201 or the second sleeve 501. The disposable sheath 402 is a disposable axially open cushion.

The first support column 2, the second support column 5 and the rack 3 can be changed into cylinders or made of cylindrical pipes.

When the device is used, the support rod 4 is pulled, so that the support rod 4 drives the rack 3 to move, the first support column 2 is pulled to rotate by taking the second connecting shaft 10 as a shaft, the second support column 5 is further pulled by the rack 3 to rotate by taking the support rod 4 as a shaft, the first clamping tooth 502 on the second support column 5 is clamped with the second tooth groove 11, the support rod 4 is supported, the clamping position of the first clamping tooth 502 and the second tooth groove 11 is adjusted according to actual conditions, when the position needs to be further adjusted, one end of the pressing plate 601 is pressed, the pressing plate 601 rotates by taking the first connecting shaft 603 as a shaft, the torsion spring 604 is twisted, the second clamping tooth 602 is separated from the first 302 tooth groove, and the rack 3 can slide in the first sliding hole 203 of the first sleeve 201 or in the second sliding block 503 of the second sleeve 501, so that the position of the support rod 4 can be further adjusted.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable knee bending position support for surgery, comprising a base plate (1), wherein the right end of the base plate (1) is defined as a head side (7), and the left end of the base plate (1) is defined as a foot side (8), characterized in that: second tooth grooves (11) are machined in the front side and the rear side of the bottom plate (1), the two second tooth grooves (11) are machined in the positions of the foot biasing sides (8) of the bottom plate (1), the upper surface of the bottom plate (1) corresponds to the positions of the head sides (7) of the second tooth grooves (11), the front side and the rear side are fixedly connected with two third connecting blocks (9), and the two third connecting blocks (9) are movably connected with the first support column (2) through second connecting shafts (10);

the first support column (2) comprises a first sleeve (201), a counter bore (202), a first sliding hole (203), a first clamping hole (204) and a first connecting block (205);

the right side processing of first sleeve pipe (201) has counter bore (202), first sleeve pipe (201) is through counter bore (202) and second connecting axle (10) clearance fit, the inside processing of first sleeve pipe (201) has first slide opening (203), first slide opening (203) run through the left end of first sleeve pipe (201), first card hole (204) have been seted up to the upper surface off-left position of first sleeve pipe (201), symmetrical rigid coupling has two first connecting blocks (205) around first card hole (204) right side of first sleeve pipe (201).

2. The adjustable knee flexion position support for surgery of claim 1, wherein: the first sleeve (201) is in sliding sleeve connection with the rack (3) through a first sliding hole (203);

the rack (3) comprises a sliding rod (301), a first tooth groove (302) and a through hole (303);

the upper surface of the sliding rod (301) is provided with a first tooth groove (302), the left end of the sliding rod (301) is provided with a through hole (303), and the sliding rod (301) is in sliding sleeve joint with the first sleeve (201) through a first sliding hole (203).

3. The adjustable knee flexion position support according to claim 2, wherein: the sliding rod (301) is movably connected with the supporting rod (4) through a through hole (303);

the supporting rod (4) comprises a cross beam (401), a disposable sheath (402), a connecting rod (403), a retainer ring (404) and a stop block (405);

the outer wall cover of crossbeam (401) has disposable sheath (402), the both ends of crossbeam (401) respectively with two connecting rod (403) integrated into one piece, two all the cover has retaining ring (404) on connecting rod (403), crossbeam (401) one end rigid coupling is kept away from in connecting rod (403) has dog (405), the outer wall cover of connecting rod (403) has two racks (3).

4. The adjustable knee flexion position support according to claim 3, wherein: a second pillar (5) is sleeved on the outer wall of the rack (3) between the cross beam (401) and the retainer ring (404);

the second support column (5) comprises a second sleeve (501), a first clamping tooth (502), a second sliding hole (503), a second clamping hole (504) and a second connecting block (505);

the right-hand member processing of second sleeve pipe (501) has first latch (502), second tooth's socket (11) looks joint of first latch (502) and bottom plate (1), the inside processing of second sleeve pipe (501) has second slide opening (503), second slide opening (503) run through the left end and rack (3) sliding sleeve of second sleeve pipe (501), second card hole (504) have been seted up to the upper surface off the left position of second sleeve pipe (501), the rigid coupling has two second connecting blocks (505) around second card hole (504) right side position of second sleeve pipe (501).

5. The adjustable knee flexion position support for surgery of claim 1, wherein: fixing mechanisms (6) are mounted at the positions of a first connecting block (205) of the first support column (2) and a second connecting block (505) of the second support column (5);

the fixing mechanism (6) comprises a pressure plate (601), a second clamping tooth (602), a first connecting shaft (603) and a torsion spring (604);

the lower surface left end of clamp plate (601) evenly processes has a plurality of second latch (602), first tooth's socket (302) looks joint that first calorie of hole (204) or second calorie of hole (504) and rack (3) are run through in second latch (602), the intermediate position of clamp plate (601) and the outer wall clearance fit of first connecting axle (603), the outer wall both ends and first connecting block (205) or second connecting block (505) interference fit of first connecting axle (603), the outer wall intermediate position and torsion spring (604) of first connecting axle (603) cup joint mutually, the one end and the clamp plate (601) of torsion spring (604) are the rigid coupling mutually, the other end and first sleeve pipe (201) or second sleeve pipe (501) of torsion spring (604) are laminated mutually.

6. The adjustable knee flexion position support according to claim 3, wherein: the disposable sheath (402) is a disposable axially open cushion.