CN218075631U

CN218075631U - Operation appliance for knee joint replacement

Info

Publication number: CN218075631U
Application number: CN202222280140.1U
Authority: CN
Inventors: 郑肖
Original assignee: Dongping People's Hospital
Current assignee: Dongping People's Hospital
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-20
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to an operation technical field just discloses a surgical instruments of knee joint replacement art, which comprises a fixed base, fixing base bottom back fixedly connected with riser, riser bottom threaded connection has the set bar, the riser bottom is provided with splint, the fixing base top is provided with binds the mechanism, fixing base top left side is provided with slide mechanism, it is provided with locking mechanical system to bind the mechanism left side, it includes fixed free bearing, thigh fixed plate, shank fixed plate and activity free bearing to bind the mechanism, fixed free bearing fixed connection is on fixing base top right side, thigh fixed plate right side articulates in fixed free bearing left side. This surgical instrument of knee joint replacement art sets up the fixed knot who involves the knee joint replacement operation into fixing device alone, and portable can also be crooked with the knee through slide mechanism, makes the operation of trading the knee all can go on smoothly on any operation panel, conveniently deals with interim operation arrangement.

Description

Operation appliance for knee joint replacement

Technical Field

The utility model relates to the technical field of operations, in particular to an operation tool for knee joint replacement.

Background

The operation refers to the treatment of excision, suturing, etc. of the body of a patient by a doctor with medical instruments. The health of the patient is maintained by the operation of a knife, scissors, a needle and other instruments on the local part of the human body. Is the main treatment method of surgery, commonly called as 'operation'. Aims to cure or diagnose diseases, such as removing pathological tissues, repairing injuries, transplanting organs, improving the functions and the forms of organisms and the like.

In the knee joint replacement operation, the knee needs to be bent and fixed, which is generally carried out by a special operating table, but in some emergency scenes, when no special operating table is temporarily available, the operation is difficult to carry out, and in order to smoothly carry out the knee joint replacement operation under the emergency condition, a portable operating tool can be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a surgical instrument of knee joint replacement art to solve the problem that provides among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a surgical instruments of knee joint replacement art, includes the fixing base, fixing base bottom back fixedly connected with riser, riser bottom threaded connection has the set bar, the riser bottom is provided with splint, the fixing base top is provided with binds the mechanism, fixing base top left side is provided with slide mechanism, it is provided with locking mechanical system to bind the mechanism left side.

The binding mechanism comprises a fixed hinged support, a thigh fixing plate, a shank fixing plate and a movable hinged support, the fixed hinged support is fixedly connected to the right side of the top of the fixing base, the right side of the thigh fixing plate is hinged to the left side of the fixed hinged support, the right side of the shank fixing plate is hinged to the left side of the thigh fixing plate, and the movable hinged support is hinged to the left side of the shank fixing plate.

Preferably, slide mechanism includes I slide, slot rolling, fixed axle and gyro wheel, I slide fixed connection is in activity free bearing bottom, the slot rolling is seted up in I slide bottom left side, fixed axle fixed connection is in the slot rolling, the gyro wheel rotates to be connected in the fixed axle outer lane.

Preferably, the locking mechanism comprises a ratchet gear, a ratchet rod, a limiting ring and a spring, the ratchet gear is arranged in the movable hinged support, the ratchet rod is telescopically connected to the left side of the movable hinged support, the limiting ring is fixedly connected to the middle of the outer ring of the ratchet rod, and the spring is sleeved outside the ratchet rod.

Preferably, strapping tapes are fixedly connected to the tops of the thigh fixing plate and the shank fixing plate so as to bind the thigh and the shank.

Preferably, the rolling grooves, the fixed shaft and the rollers are provided with twelve groups, and the three groups are respectively positioned between the flange of the I-shaped sliding seat and the fixed seat, so that the I-shaped sliding seat can slide more smoothly.

Preferably, the front surface of the rotating shaft of the movable hinged support is fixedly connected to the center of the back surface of the ratchet gear, so that the ratchet gear can be driven to rotate by the turning of the shank fixing plate.

Preferably, the left end of the spring abuts against the inner wall of the movable hinged support, and the right end of the spring is fixedly connected to the left side of the limiting ring, so that the right end of the ratchet rod abuts against the left side of the ratchet gear under the action of the spring.

Compared with the prior art, the utility model provides a surgical instruments of knee joint replacement art possesses following beneficial effect:

1. this surgical instrument of knee joint replacement art sets up the fixed knot who involves the knee joint replacement operation into fixing device alone, and portable can also be crooked with the knee through slide mechanism, makes the operation of trading the knee all can go on smoothly on any operation panel, conveniently deals with interim operation arrangement.

2. The surgical instrument for knee joint replacement is conveniently fixed on any bed plate through the clamping plate and the lock bolt, is integrally portable, and the locking mechanism can fix the bent thigh fixing plate and the bent shank fixing plate, so that the surgical process is more stable.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a left side view schematic diagram of the present invention.

In the figure: 1. a fixed seat; 2. a vertical plate; 3. a lock bolt; 4. a splint; 5. a binding mechanism; 501. fixing a hinged support; 502. a thigh fixing plate; 503. a shank fixing plate; 504. a movable hinged support; 6. a sliding mechanism; 601. an I-shaped sliding seat; 602. rolling a groove; 603. a fixed shaft; 604. a roller; 7. a locking mechanism; 701. a ratchet gear; 702. a ratchet rod; 703. a limiting ring; 704. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a surgical tool for knee joint replacement comprises a fixed seat 1, wherein the back of the bottom of the fixed seat 1 is fixedly connected with a vertical plate 2, the bottom of the vertical plate 2 is in threaded connection with a lock bolt 3, the bottom of the vertical plate 2 is provided with a clamping plate 4, the top of the fixed seat 1 is provided with a binding mechanism 5, the binding mechanism 5 comprises a fixed hinged support 501, a thigh fixing plate 502, a shank fixing plate 503 and a movable hinged support 504, the fixed hinged support 501 is fixedly connected to the right side of the top of the fixed seat 1, the right side of the thigh fixing plate 502 is hinged to the left side of the fixed hinged support 501, the right side of the shank fixing plate 503 is hinged to the left side of the thigh fixing plate 502, the tops of the thigh fixing plate 502 and the shank fixing plate 503 are both fixedly connected with strapping tapes for binding thighs and shanks, the movable hinged support 504 is hinged to the left side of the shank fixing plate 503, the left side of the top of the fixed seat 1 is provided with a sliding mechanism 6, the sliding mechanism 6 comprises an I-shaped sliding seat 601, a rolling groove 602, a fixed shaft 603 and a roller 604, the I-shaped sliding seat 601 is fixedly connected with the bottom of the movable hinged support 504, the rolling groove 602 is arranged at the left side of the bottom of the I-shaped sliding seat 601, the fixed shaft 603 is fixedly connected in the rolling groove 602, the roller 604 is rotatably connected with the outer ring of the fixed shaft 603, twelve groups of the rolling groove 602, the fixed shaft 603 and the roller 604 are respectively arranged between the flange of the I-shaped sliding seat 601 and the fixed seat 1 so that the I-shaped sliding seat 601 slides more smoothly, the left side of the binding mechanism 5 is provided with the locking mechanism 7, the locking mechanism 7 comprises a ratchet wheel 701, a ratchet rod 702, a limiting ring 703 and a spring 704, the ratchet wheel 701 is arranged in the movable hinged support 504, the front side of the rotating shaft of the movable hinged support 504 is fixedly connected with the center of the back side of the ratchet wheel 701 so that the lower leg fixing plate 503 can overturn to drive the ratchet wheel 701 to rotate, the ratchet rod 702 is telescopically connected with the left side of the movable hinged support 504, the limiting ring 703 is fixedly connected with the middle part of the outer ring of the ratchet rod 702, spring 704 cup joints in the thorn pole 702 outside, spring 704 left end butt is in activity free bearing 504 inner wall, spring 704 right-hand member fixed connection is in spacing ring 703 left side, so that thorn pole 702 right-hand member supports tightly ratchet 701 left side under the effect of spring 704, set up the fixed knot that knee joint replacement operation relates to fixing device alone, and is convenient for carry, can also be crooked with the knee through slide mechanism 6, make and trade the knee operation and all can go on smoothly on any operation panel, conveniently deal with interim operation arrangement, conveniently fix on any bed board through splint 4 and set bar 3, and is whole portable, and locking mechanical system 7 can fix crooked thigh fixed plate 502 and shank fixed plate 503, thereby make the operation process more stable.

In the actual operation process, when the device is used, the fixing seat 1 is placed at the edge of the top of the bed board, the device is fixed through the clamping plate 4 and the lock bolt 3, then the thigh and the calf of a patient are respectively fixed on the thigh fixing plate 502 and the calf fixing plate 503 and are tightly bound through the binding tapes, then the I-shaped sliding seat 601 is pushed to enable the calf fixing plate 503 to push the thigh fixing plate 502, so that a bending state is formed between the thigh fixing plate 502 and the calf fixing plate 503, the middle knee is raised, and the operation is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A surgical instrument for knee replacement surgery, comprising a fixed seat (1), characterized in that: the back of the bottom of the fixing seat (1) is fixedly connected with a vertical plate (2), the bottom of the vertical plate (2) is in threaded connection with a lock bolt (3), the bottom of the vertical plate (2) is provided with a clamping plate (4), the top of the fixing seat (1) is provided with a binding mechanism (5), the left side of the top of the fixing seat (1) is provided with a sliding mechanism (6), and the left side of the binding mechanism (5) is provided with a locking mechanism (7);

the binding mechanism (5) comprises a fixed hinged support (501), a thigh fixing plate (502), a shank fixing plate (503) and a movable hinged support (504), the fixed hinged support (501) is fixedly connected to the right side of the top of the fixing seat (1), the right side of the thigh fixing plate (502) is hinged to the left side of the fixed hinged support (501), the right side of the shank fixing plate (503) is hinged to the left side of the thigh fixing plate (502), and the movable hinged support (504) is hinged to the left side of the shank fixing plate (503).

2. The surgical kit for knee replacement of claim 1, wherein: slide mechanism (6) include I-shaped slide (601), slot rolling (602), fixed axle (603) and gyro wheel (604), I-shaped slide (601) fixed connection is in activity free bearing (504) bottom, slot rolling (602) are seted up in I-shaped slide (601) bottom left side, fixed axle (603) fixed connection is in slot rolling (602), gyro wheel (604) rotate to be connected in fixed axle (603) outer lane.

3. The surgical kit for knee replacement surgery of claim 1, wherein: the locking mechanism (7) comprises a ratchet gear (701), a ratchet rod (702), a limiting ring (703) and a spring (704), the ratchet gear (701) is arranged in the movable hinged support (504), the ratchet rod (702) is telescopically connected to the left side of the movable hinged support (504), the limiting ring (703) is fixedly connected to the middle of the outer ring of the ratchet rod (702), and the spring (704) is sleeved outside the ratchet rod (702).

4. The surgical kit for knee replacement of claim 1, wherein: strapping tapes are fixedly connected to the tops of the thigh fixing plate (502) and the shank fixing plate (503).

5. The surgical kit for knee replacement of claim 2, wherein: the rolling grooves (602), the fixed shafts (603) and the rollers (604) are provided with twelve groups, and the three groups are respectively positioned between the flange of the I-shaped sliding seat (601) and the fixed seat (1).

6. A surgical kit for knee replacement as claimed in claim 3, wherein: the front surface of the rotating shaft of the movable hinged support (504) is fixedly connected with the center of the back surface of the ratchet gear (701).

7. A surgical kit for knee replacement as claimed in claim 3, wherein: the left end of the spring (704) abuts against the inner wall of the movable hinged support (504), and the right end of the spring (704) is fixedly connected to the left side of the limiting ring (703).