CN219331874U

CN219331874U - Extraction device of orthopedics internal fixation apparatus

Info

Publication number: CN219331874U
Application number: CN202223300711.XU
Authority: CN
Inventors: 马贵福; 骆文远
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-07-14
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of medical equipment, and discloses a device for taking out an orthopedic internal fixation instrument, which comprises a base and two guard plates, wherein the two guard plates are respectively and fixedly connected with the left end and the right end of the upper surface of the base, and the device further comprises: the stripping mechanism is arranged on the upper surface of the base; the number of the reinforcing ribs is two, the reinforcing ribs are respectively arranged at the top parts of the front end and the rear end of the inner side of the guard plate, and the upper surfaces of the reinforcing ribs positioned at the rear side are provided with slide ways; the flushing mechanism can slide left and right and is embedded in the inner cavity of the slideway; the supporting mechanism is placed on the upper surface of the guard plate and limited by the reinforcing ribs. When in actual use, the skin and meat stretching function is realized, the occupied space for stretching is reduced, the operation and the taking out of doctors are facilitated, in addition, the washing function is realized, the operation field is ensured, and the time and labor are saved in cleaning wounds.

Description

Extraction device of orthopedics internal fixation apparatus

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a taking-out device of an orthopedic internal fixation appliance.

Background

Fracture refers to a break in the integrity and continuity of a bone. At present, for patients needing to perform cutting reduction internal fixation with obvious displacement, the bone blocks at the fracture part are usually subjected to reduction fixation through steel plates and screws, so that the dislocated bone blocks are tightly connected together under the action of a steel plate screw system, then the dislocated bone blocks grow after long-time operation, new bone callus grows out from the broken bone blocks, and the bone blocks heal together again. The internal fixation is often needed to be taken out within 1-2 years after the internal fixation operation so as to avoid rejection reaction and the like;

in the operation process of taking out the internal fixation instrument of limbs, a doctor needs to use pliers to prop open skin and meat, the taking-out time is long, the pain of hand muscles is easy to cause, the occupied operation space is large, the operation and the taking-out of the doctor are inconvenient, in addition, after the skin and meat are cut, blood flows out, so that the operation field is ensured, the doctor can manually wash out the blood, and the wound is cleaned, so that the labor is wasted.

Disclosure of Invention

The utility model provides a taking-out device of an orthopedic internal fixation instrument, which aims to solve the problems of time and labor waste in manual stretching of skin and meat and wound irrigation at present.

The utility model is realized in such a way that the extraction device of the orthopaedics internal fixation instrument comprises a base and two guard plates, wherein the two guard plates are respectively and fixedly connected with the left end and the right end of the upper surface of the base, and the extraction device further comprises:

the peeling mechanism is arranged on the upper surface of the base and used for stretching the skin and the meat of the wound after the wound is cut;

the number of the reinforcing ribs is two, the reinforcing ribs are respectively arranged at the top parts of the front end and the rear end of the inner side of the guard plates, the stability between the guard plates is improved, and the upper surface of the reinforcing rib positioned at the rear side is provided with a slideway, so that the flushing mechanism can move left and right;

the flushing mechanism can be embedded in the inner cavity of the slideway in a left-right sliding way, so that blood on the surface of a wound is removed, and the visual field of the internal fixing instrument is ensured to be taken out;

and the supporting mechanism is placed on the upper surface of the guard plate, and limits the supporting mechanism through the reinforcing ribs to support the affected limb.

The utility model has the following beneficial effects: the position of the traction assembly is adjusted through the position adjusting assembly, the traction assembly is enabled to be parallel to the position of the wound to be propped open, the wound is propped open by the traction assembly, the operation space of a doctor is enlarged, the liquid outlet pipe and the brake disc can be rotated synchronously through the rotating shaft, the pawl is driven to be inserted into the clamping groove under the elastic action of the leaf spring, the liquid outlet pipe is fixed after rotation, flushing liquid in the water barrel flows out of the liquid outlet pipe to flush the wound, and the device has the functions of stretching skin and meat, reduces the occupied space for stretching, is convenient for the doctor to operate and take out, has the flushing function, ensures the operation field of view, and saves time and labor for cleaning the wound.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a stripping mechanism;

FIG. 3 is a left side cross-sectional view of the traction assembly;

FIG. 4 is a left side view of the flush mechanism;

FIG. 5 is a front cross-sectional view of the angle adjustment mechanism;

fig. 6 is a schematic structural view of the supporting mechanism.

In the figure: 1. a base; 2. a guard board; 3. a peeling mechanism; 4. reinforcing ribs; 5. a slideway; 6. a flushing mechanism; 7. a support mechanism; 31. a position adjustment assembly; 32. a traction assembly; 61. a first telescopic rod; 62. a water bucket; 63. a valve; 64. an angle adjustment assembly; 65. soft connection; 66. a liquid outlet pipe; 71. a supporting plate; 72. a filter screen; 311. a slide rail; 312. a sliding sleeve; 313. positioning bolts; 321. a base; 322. a limiting hole; 323. a screw; 324. a knob; 325. a moving block; 326. a second telescopic rod; 327. a hook; 641. a connecting rod; 642. a housing; 643. a rotating shaft; 644. a brake disc; 645. a clamping groove; 646. a pawl; 647. leaf springs.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-6, the utility model relates to a device for taking out an orthopedic internal fixation instrument, which comprises a base 1, two guard plates 2, a glass mechanism 3, a reinforcing rib 4, a slideway 5, a flushing mechanism 6 and a supporting mechanism 7, wherein the two guard plates 2 are respectively fixedly connected with the left end and the right end of the upper surface of the base 1, and the stripping mechanism 3 is arranged on the upper surface of the base 1; the number of the reinforcing ribs 4 is two, the reinforcing ribs are respectively arranged at the top parts of the front end and the rear end of the inner side of the guard plate 2, the upper surface of the reinforcing rib 4 positioned at the rear side is provided with a slide way 5, the inner cavity of the slide way 5 is in a dovetail shape, and the moving stability of the first telescopic rod 61 is ensured; the flushing mechanism 6 can slide left and right and is embedded in the inner cavity of the slideway 5; the supporting mechanism 7 is arranged on the upper surface of the guard plate 2, and the supporting mechanism 7 is limited by the reinforcing ribs 4;

the stripping mechanism 3 comprises a position adjusting assembly 31 and a traction assembly 32, wherein the number of the position adjusting assemblies 31 is two, and the position adjusting assemblies are respectively arranged at the front end and the rear end of the upper surface of the base 1; the number of the traction components 32 is two, and the traction components are respectively arranged at the front end and the rear end of the top of the position adjusting component 31;

the flushing mechanism 6 comprises a first telescopic rod 61, a water barrel 62, a valve 63, an angle adjusting assembly 64, a flexible connection 65 and a liquid outlet pipe 66, wherein the first telescopic rod 61 can slide left and right and is embedded in the inner cavity of the slideway 5, and the height of the water barrel 62 is adjusted; a water tub 62 is installed at the top end of the first telescopic rod 61, the water tub 62 being used to store a washing liquid; the valve 63 and the angle adjusting assembly 64 are respectively installed at the left and right sides of the bottom end of the water tub 62; the flexible connection 65 is arranged at the bottom end of the valve 63, and the flexible connection 65 can naturally deform so as to realize the movable connection between the valve 63 and the liquid outlet pipe 66; the drain pipe 66 is installed in the bottom of flexible coupling 65, and the outer wall of drain pipe 66 is connected with the left end of angle modulation assembly 64, and drain pipe 66 is used for confirming the flushing fluid whereabouts direction, carries out the wound and washes.

Specifically, the position adjusting assembly 31 includes two slide rails 311, a sliding sleeve 312 and a positioning bolt 313, the number of the slide rails 311 is two, the slide rails 311 are respectively installed at the front end and the rear end of the upper surface of the base 1, and the slide rails 311 are in a T shape, so that the slide rails 311 are stably connected with the sliding sleeve 312; the number of the sliding sleeves 312 is four, and each two sliding sleeves are respectively sleeved at the left end and the right end of the outer wall of the two sliding rails 311; the positioning bolt 313 is screwed on the front end of the sliding sleeve 312, and the positioning bolt 313 contacts with the outer wall of the sliding rail 311 to position the sliding sleeve 312.

Specifically, the traction assembly 32 includes a base 321, a limiting hole 322, a screw 323, a knob 324, a moving block 325, a second telescopic rod 326 and a hook 327, the base 321 is installed at the top of two sliding sleeves 312 positioned at the front and rear sides, and the front and rear ends of the upper surface of the base 321 are provided with the limiting hole 322, so that enough movable space is reserved for the second telescopic rod 326; the screw 323 is arranged in the inner cavity of the base 321 through a bearing; knob 324 is mounted at the front end of screw 323; the number of the moving blocks 325 is two, the moving blocks 325 are respectively connected with the left end and the right end of the outer wall of the screw 323 in a threaded manner, and the moving blocks 325 are connected in an inner cavity of the base 321 in an adapting manner; the second telescopic rod 326 is vertically installed at the top of the moving block 325 for adjusting the height of the hook 327; a hook 327 is installed at the top end of the second telescopic rod 326.

Specifically, the threads on the front and rear sides of the outer wall of the screw 323 are positive and negative threads, and when the screw 323 rotates clockwise or counterclockwise, the rotation force of the threads of the screw 323 can drive the two moving blocks 325 to move inwards or outwards.

Specifically, the angle adjusting assembly 64 includes a connection rod 641, a housing 642, a rotation shaft 643, a brake disc 644, a pawl 646 and a leaf spring 647, the connection rod 641 being installed at the bottom end of the tub 62; the outer case 642 is installed at the bottom end of the connection rod 641; the rotating shaft 643 is arranged at the left center position of the shell 642 through a bearing, the left end of the rotating shaft 643 is fixedly connected with the outer wall of the liquid outlet pipe 66, and the purpose of the rotating shaft 643 is that the liquid outlet pipe 66 and the brake disc 644 synchronously rotate; brake disc 644 is mounted at the right end of rotating shaft 643, brake disc 644 is located in the inner cavity of housing 642, brake disc 644 is used for braking rotating shaft 643, and clamping grooves 645 are formed in the right side wall of brake disc 644 along the circumferential direction; pawl 646 is connected to the rear top end of the inner cavity of housing 642 by a pin; leaf spring 647 is mounted on the right inner wall of housing 642, and pawl 646 snaps into the cavity of catch 645 to brake shaft 643 under the action of leaf spring 647, leaf spring 647 providing a pushing force to move pawl 646 to the left.

Specifically, a plurality of clamping grooves 645 are continuously distributed on the right side wall of the brake disc 644, the inner cavity of the clamping grooves 645 is triangular, and when the brake disc 644 rotates, the pawl 646 is pressed by the inclined surface of the clamping grooves 645, so that the clamping grooves 645 and the pawl 646 can be freely separated.

Specifically, the supporting mechanism 7 comprises a supporting plate 71 and a filter screen 72, the supporting plate 71 is placed on the top of the guard plate 2, and the supporting plate 71 is provided with a groove for storing waste liquid; the filter screen 72 is placed on the upper surface of the pallet 71, and not only supports the affected limb, but also allows the waste liquid to flow down from the filter screen 72.

The working principle of the utility model is as follows:

firstly, placing a patient limb with an internal fixator to be removed on the surface of a filter screen 72, screwing a positioning bolt 313 away from a sliding rail 311 according to the position of an operation incision, enabling a sliding sleeve 312 to move left and right on the sliding rail 311, enabling a hook 327 to correspond to the position of a wound to be opened, and enabling a knob positioning bolt 313 to prop against the sliding rail 311 to position the sliding sleeve 312;

step two, the screw 323 can be driven to rotate clockwise or anticlockwise through the knob 324, the screw 323 thread rotating force drives the two moving blocks 325 to move inwards or outwards simultaneously, the purpose of moving the hook 327 is achieved, after the hook 327 moves inwards, the hook 327 descends by utilizing the second telescopic rod 326, after the hook 327 hooks skin and meat, the hook 327 moves outwards under the driving of the screw 323, and the hook 327 pulls the skin and meat outwards to open a wound;

step three, when the wound is to be washed, the first telescopic rod 61 is pushed to move left and right in the slideway 5, so that the liquid outlet pipe 66 reaches the upper part of the wound, the liquid outlet pipe 66 is rotated back and forth, the rotating shaft 643 drives the brake disc 644 to rotate clockwise or anticlockwise, the inner cavity of the clamping groove 645 is an inclined plane, the inclined plane extrudes the pawl 646, the clamping groove 645 and the pawl 646 can be automatically separated until the liquid outlet pipe 66 is aligned with the wound, the leaf spring 647 drives the pawl 646 to be inserted into the clamping groove 645 under the action of self elastic force, the brake disc 644 is fixed, the valve 63 is opened, flushing liquid in the water barrel 62 flows out through the soft connection 65 and the liquid outlet pipe 66, and the flushing liquid washes the wound.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a take-out device of orthopedics internal fixation apparatus, includes base (1) and two backplate (2), two backplate (2) are fixed connection respectively both ends about the upper surface of base (1), its characterized in that still includes:

a peeling mechanism (3) mounted on the upper surface of the base (1);

the number of the reinforcing ribs (4) is two, the reinforcing ribs are respectively arranged at the top parts of the front end and the rear end of the inner side of the guard plate (2), and the upper surface of the reinforcing rib (4) positioned at the rear side is provided with a slideway (5);

the flushing mechanism (6) can be embedded in the inner cavity of the slideway (5) in a left-right sliding way;

the supporting mechanism (7) is placed on the upper surface of the guard plate (2), and the supporting mechanism (7) is limited through the reinforcing ribs (4);

the peeling mechanism (3) comprises:

the number of the position adjusting assemblies (31) is two, and the position adjusting assemblies are respectively arranged at the front end and the rear end of the upper surface of the base (1);

the number of the traction components (32) is two, and the traction components are respectively arranged at the front end and the rear end of the top of the position adjusting component (31);

the flushing mechanism (6) comprises:

the first telescopic rod (61) can slide left and right and is embedded in the inner cavity of the slideway (5);

a water bucket (62) mounted on the top end of the first telescopic rod (61);

the valve (63) and the angle adjusting component (64) are respectively arranged at the left side and the right side of the bottom end of the water barrel (62);

the flexible connection (65) is arranged at the bottom end of the valve (63);

the liquid outlet pipe (66) is arranged at the bottom end of the flexible connection (65), and the outer wall of the liquid outlet pipe (66) is connected with the left end of the angle adjusting component (64).

2. The extraction device of an orthopaedic internal fixation instrument according to claim 1, wherein the position adjustment assembly (31) comprises:

the number of the sliding rails (311) is two, and the sliding rails are respectively arranged at the front end and the rear end of the upper surface of the base (1);

the sliding sleeves (312) are four in number, and each two sliding sleeves are respectively sleeved at the left end and the right end of the outer wall of each sliding rail (311);

and the positioning bolt (313) is in threaded connection with the front end of the sliding sleeve (312), and the positioning bolt (313) is in contact with the outer wall of the sliding rail (311) to position the sliding sleeve (312).

3. The extraction device of an orthopaedic internal fixation instrument of claim 1, wherein the traction assembly (32) comprises:

the base (321) is arranged at the top of the two sliding sleeves (312) at the front side and the rear side, and limiting holes (322) are formed at the front end and the rear end of the upper surface of the base (321);

the screw rod (323) is arranged in the inner cavity of the base (321) through a bearing;

a knob (324) mounted at the front end of the screw (323);

the number of the moving blocks (325) is two, the moving blocks are respectively connected with the left end and the right end of the outer wall of the screw rod (323) in a threaded manner, and the moving blocks (325) are connected in an inner cavity of the base (321) in an adapting manner;

a second telescopic rod (326) vertically installed at the top of the moving block (325);

and a hook (327) which is arranged at the top end of the second telescopic rod (326).

4. A device for removing an orthopaedic internal fixation instrument according to claim 3, wherein the screw (323) has front and rear threads on the outer wall thereof.

5. A device for removing an orthopaedic internal fixation instrument according to claim 3, wherein the angle adjustment assembly (64) comprises:

a connecting rod (641) installed at the bottom end of the water tub (62);

a housing (642) mounted at the bottom end of the connection rod (641);

the rotating shaft (643) is arranged at the left center position of the shell (642) through a bearing, and the left end of the rotating shaft (643) is fixedly connected with the outer wall of the liquid outlet pipe (66);

the brake disc (644) is arranged at the right end of the rotating shaft (643), the brake disc (644) is positioned in the inner cavity of the shell (642), and clamping grooves (645) are formed in the right side wall of the brake disc (644) along the circumferential direction;

a pawl (646) connected to the rear top end of the inner cavity of the housing (642) through a pin;

the leaf spring (647) is arranged on the right inner wall of the shell (642), and the pawl (646) is clamped into the inner cavity of the clamping groove (645) to brake the rotating shaft (643) under the action of the leaf spring (647).

6. The device for removing an orthopaedic internal fixation instrument of claim 5, wherein the plurality of locking grooves (645) are continuously distributed on the right side wall of the brake disc (644), and the inner cavity of the locking groove (645) is triangular in shape.

7. The extraction device of an orthopaedic internal fixation instrument of claim 1, wherein,

the support mechanism (7) comprises:

a supporting plate (71) which is placed on the top of the guard plate (2), and the supporting plate (71) is provided with a groove;

and the filter screen (72) is arranged on the upper surface of the supporting plate (71).