CN213098404U

CN213098404U - Knee joint replacement operation fixing device

Info

Publication number: CN213098404U
Application number: CN202021113139.4U
Authority: CN
Inventors: 王敏; 戴天明; 王文; 李斯明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-05-04
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a knee joint replacement operation fixing device relates to fixing device technical field, including base, the dead lever of fixed mounting in the base upper end, sliding connection is the first support frame on the upper surface of base, the outside fixedly connected with fixing base of dead lever, the inside central point of fixing base puts department threaded connection and has the lifting screw, the upper end of lifting screw rotates and is connected with the elevating platform, the last surface sliding of elevating platform is connected with the second support frame, the inside rotation of second support frame is connected with adjustment mechanism, adjustment mechanism's outside threaded connection has the clamp splice. The utility model discloses in through user's manual movement second support frame, make the second support frame drive second T shape slider set up some second T shape inslots at the upper surface of elevating platform and slide to suitable position after, then the user rotates drive screw, makes the clamp splice keep away from each other to the person of facilitating the use fixes the shank of different thicknesses.

Description

Knee joint replacement operation fixing device

Technical Field

The utility model relates to a fixing device technical field specifically is a knee joint replacement operation fixing device.

Background

In knee joint replacement surgery, the legs of a patient need to be fixed at different extension or flexion positions according to the requirements of different stages of the surgery. In the conventional knee joint replacement surgery, a surgeon performs a process of cutting the femur and the tibia, and thus a fixing device is required to fix the leg.

The conventional fixing device is inconvenient for a user to adjust the height of the second support frame according to needs, and meanwhile, the user is also inconvenient for fixing thighs with different thicknesses.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a knee joint replacement operation fixing device, solved the inconvenient user of current fixing device and highly adjusted the second support frame as required, also the inconvenient user carries out the problem of fixing to the thigh of different thicknesses simultaneously.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a knee joint replacement surgery fixing device, includes the dead lever of base, fixed mounting in the base upper end, sliding connection is at the first support frame on the upper surface of base, the outside fixedly connected with fixing base of dead lever, the inside central point of fixing base puts a threaded connection and has a lifting screw, lifting screw's upper end is rotated and is connected with the elevating platform, the last surface sliding connection of elevating platform has the second support frame, the inside rotation of second support frame is connected with adjustment mechanism, adjustment mechanism's outside threaded connection has the clamp splice.

Preferably, first T-shaped grooves are formed in two sides of the upper surface of the base, first T-shaped sliding blocks matched with the first T-shaped grooves are fixedly connected to two sides of the bottom end of the first support frame, and the first support frame is installed on the base in a sliding fit mode of the first T-shaped sliding blocks and the first T-shaped grooves.

Preferably, the adjusting mechanism comprises a transmission block, and a first transmission screw and a second transmission screw which are respectively and fixedly installed at two ends of the transmission block and have opposite rotation directions.

Preferably, a second T-shaped groove is formed in the upper surface of the lifting platform, and a second T-shaped sliding block matched with the second T-shaped groove is fixedly connected to the bottom end of the second supporting frame.

Preferably, two ends of the second support frame are provided with limiting holes, and one end of the clamping block, which is close to the second support frame, is fixedly connected with a transmission rod matched with the limiting holes.

Preferably, the top end of the lifting screw is fixedly connected with a ball body, a cylindrical blind hole matched with the ball body is formed in the center of the bottom end of the lifting platform, and the ball body is located inside the cylindrical blind hole.

(III) advantageous effects

The utility model provides a knee joint replacement operation fixing device. The method has the following beneficial effects:

(1) the utility model discloses in rotate the lifting screw through the user, make the lifting screw drive the elevating platform rebound to the height of elevating platform is adjusted as required to the person of facilitating the use.

(2) The utility model discloses in through user's manual movement second support frame, make the second support frame drive second T shape slider set up some second T shape inslots at the upper surface of elevating platform and slide to suitable position after, then the user rotates drive screw, makes the clamp splice keep away from each other to the person of facilitating the use fixes the shank of different thicknesses.

Drawings

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

FIG. 2 is a schematic view of the sphere mounting structure of the present invention;

fig. 3 is a schematic view of the mounting structure of the clamping block of the present invention.

In the figure: 1. a base; 2. a first T-shaped slot; 3. a first T-shaped slider; 4. a first support frame; 5. fixing the rod; 6. a fixed seat; 7. a lifting screw; 8. a lifting platform; 9. a sphere; 10. a second T-shaped slot; 11. a second T-shaped slider; 12. a transmission block; 13. a first drive screw; 14. a second support frame; 15. a clamping block; 16. a limiting hole; 17. a transmission rod; 18. a second drive bolt.

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. 1-3, the present invention provides a technical solution:

a knee joint replacement surgery fixing device comprises a base 1, a fixing rod 5 fixedly installed at the upper end of the base 1, and a first support frame 4 connected to the upper surface of the base 1 in a sliding mode, wherein a fixing seat 6 is fixedly connected to the outer portion of the fixing rod 5, a lifting screw 7 is connected to the inner center of the fixing seat 6 in a threaded mode, the upper end of the lifting screw 7 is rotatably connected with a lifting table 8, and the upper surface of the lifting table 8 is connected with a second support frame 14 in a sliding mode;

an adjusting mechanism is rotatably connected inside the second supporting frame 14;

the exterior of the adjustment mechanism is threadedly connected with a clamping block 15.

Referring to fig. 1 and 2, in order to facilitate the position adjustment of the first support frame 4 by a user, first T-shaped grooves 2 are formed in two sides of the upper surface of the base 1, first T-shaped sliders 3 matched with the first T-shaped grooves 2 are fixedly connected to two sides of the bottom end of the first support frame 4, and the first support frame 4 is mounted on the base 1 in a manner that the first T-shaped sliders 3 are in sliding fit with the first T-shaped grooves 2.

Referring to fig. 3, in order to facilitate the user to adjust the distance between the two clamping blocks 15 as required, the adjusting mechanism includes a driving block 12, and a first driving screw 13 and a second driving screw 18 fixedly installed at two ends of the driving block 12 respectively and having opposite rotation directions.

Referring to fig. 3, in order to facilitate the user to adjust the position of the second support frame 14, a second T-shaped groove 10 is formed in the upper surface of the lifting table 8, and a second T-shaped slider 11 matched with the second T-shaped groove 10 is fixedly connected to the bottom end of the second support frame 14.

Referring to fig. 3, in order to facilitate a user to adjust the distance between the two clamping blocks 15 according to needs, the two ends of the second support frame 14 are provided with limiting holes 16, and one end of each clamping block 15, which is close to the second support frame 14, is fixedly connected with a transmission rod 17 matched with the limiting hole 16.

Referring to fig. 2, in order to facilitate the user to adjust the height of the lifting platform 8 according to the need, the top end of the lifting screw 7 is fixedly connected with a ball 9, a cylindrical blind hole matched with the ball 9 is formed in the center of the bottom end of the lifting platform 8, and the ball 9 is located inside the cylindrical blind hole.

In this embodiment, the second support frame 14 and the first support frame 4 are both inverted U-shaped.

During the use, through user rotation lifting screw 7, lifting screw 7 drives 8 rebound of elevating platform, thereby the person of facilitating the use adjusts the height of elevating platform 8 as required, the person of facilitating the use adjusts the difference in height between thigh and the shank as required, the person of facilitating the use performs the operation, through user's manual movement second support frame 14, make second support frame 14 drive second T shape slider 11 slide to suitable position back in the second T-shaped groove 11 that some upper surface of elevating platform 8 was seted up, then the user rotates drive screw 13, make clamp splice 15 keep away from each other, thereby the person of facilitating the use fixes the shank of different thicknesses, make the device practicality stronger.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. The utility model provides a knee joint replacement surgery fixing device, includes base (1), fixed mounting dead lever (5) in base (1) upper end, sliding connection first support frame (4) on the upper surface of base (1), its characterized in that: a fixed seat (6) is fixedly connected to the outer part of the fixed rod (5), a lifting screw rod (7) is in threaded connection with the center of the inner part of the fixed seat (6), the upper end of the lifting screw rod (7) is rotatably connected with a lifting table (8), and the upper surface of the lifting table (8) is connected with a second supporting frame (14) in a sliding manner;

an adjusting mechanism is rotatably connected inside the second supporting frame (14);

the external thread of the adjusting mechanism is connected with a clamping block (15).

2. The knee replacement surgery fixation device of claim 1, wherein: first T-shaped groove (2) have been seted up to the upper surface both sides of base (1), the bottom both sides fixedly connected with of first support frame (4) and first T shape slider (3) of first T-shaped groove (2) looks adaptation, and first support frame (4) are installed on base (1) through first T shape slider (3) and first T-shaped groove (2) sliding fit's mode.

3. The knee replacement surgery fixation device of claim 1, wherein: the adjusting mechanism comprises a transmission block (12) and a first transmission screw rod (13) and a second transmission screw rod (18) which are fixedly arranged at two ends of the transmission block (12) and have opposite rotation directions.

4. The knee replacement surgery fixation device of claim 1, wherein: a second T-shaped groove (10) is formed in the upper surface of the lifting platform (8), and a second T-shaped sliding block (11) matched with the second T-shaped groove (10) is fixedly connected to the bottom end of the second supporting frame (14).

5. The knee replacement surgery fixation device of claim 1, wherein: limiting holes (16) are formed in two ends of the second support frame (14), and one end, close to the second support frame (14), of the clamping block (15) is fixedly connected with a transmission rod (17) matched with the limiting holes (16).

6. The knee replacement surgery fixation device of claim 1, wherein: the top end of the lifting screw (7) is fixedly connected with a ball body (9), a cylindrical blind hole matched with the ball body (9) is formed in the center of the bottom end of the lifting platform (8), and the ball body (9) is located inside the cylindrical blind hole.