CN213217558U - Novel kirschner wire guider - Google Patents

Abstract

The utility model discloses a novel kirschner wire guider, which comprises a first clamp handle, a second clamp handle, a handle and a guide sleeve; the first forceps handle and the second forceps handle are connected with each other, the handles are located at one ends of the first forceps handle and the second forceps handle, and the guide sleeve is located at the other ends of the first forceps handle and the second forceps handle. The utility model is scientific and reasonable, safe and convenient to use, the direction of the adjustable guide sleeve in the adjusting process is on the same horizontal line, the resetting and fixing of the fracture part are facilitated, and the deviation of the direction of the inserted kirschner wire is avoided to influence the fixing of the bone block; in addition, the guide sleeves can be directly arranged on the same horizontal line, the direction of the guide sleeves does not need to be adjusted, and the use is more convenient; the saw teeth are additionally arranged at the contact position of the bone block, so that the bone block is not required to be completely contacted with the bone block when being fixed, and the bone block can be firmly clamped only by partial contact.

Description

Novel kirschner wire guider

Technical Field

The utility model relates to the technical field of medical equipment, specifically a novel kirschner wire director.

Background

The kirschner wire is a commonly used internal fixation material for orthopedics department, and is widely applied to fracture reduction operations of various parts of a body, such as patellar fracture. Temporary or permanent fixation with a kirschner wire is required after reduction of the fracture in the operation. At present, the direction guiding during the clinical placement of the kirschner wire has certain blindness, and most of the direction guiding depends on the experience of an operating doctor. Repeated needle threading is easy to cause, the needle is difficult to be fixed at an ideal position, and direction and angle deviation occurs, so that the reduction and fixation of fracture are influenced, the operation time is prolonged, the operation effect is influenced, and the satisfaction rate of patients is reduced. Therefore, the device can accurately guide the insertion of the Kirschner wire, so that the operation can be greatly optimized, and the operation curative effect and the patient satisfaction rate are improved.

Therefore, a new kirschner wire guide is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel kirschner wire director to solve the problem that proposes among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel kirschner wire guider comprises a first forceps handle, a second forceps handle, a handle and a guide sleeve; the first forceps handle and the second forceps handle are connected with each other, the handles are located at one ends of the first forceps handle and the second forceps handle, and the guide sleeve is located at the other ends of the first forceps handle and the second forceps handle.

The first clamp handle and the second clamp handle are mutually matched, so that the clamping and the fixation of the broken bone are facilitated. The handle is beneficial for a doctor to hold the kirschner wire guider. In order to guide the insertion of the kirschner wire through the guide sleeve, two guide sleeves are provided.

Preferably, the first forceps handle and the second forceps handle are hinged in a crossed manner; the handle comprises a first handle and a second handle, the first handle is fixedly connected with the first clamp handle, and the second handle is fixedly connected with the second clamp handle; the guide sleeve is movably connected with the tong head, a guide sleeve fixing nut is arranged on one side of the tong head, sawteeth are arranged on the other side of the tong head, the tong head is fixedly connected with the other ends of the first tong handle and the second tong handle, the guide sleeve is connected with the first tong handle through a fixer, and clamping teeth are arranged at the lower end of the first tong handle.

The first clamp handle and the second clamp handle are hinged, so that the distance between the guide sleeves can be adjusted conveniently, the clamp is suitable for bone blocks with different sizes, and the clamping and the loosening of broken bones are facilitated. The first handle and the second handle are far away, and the first clamp handle and the second clamp handle are close; the first handle and the second handle are close to each other, and the first clamp handle and the second clamp handle are far away from each other. The fixing nut is beneficial to adjusting the fixing position of the guide sleeve to a proper position. The binding clip is favorable to the director centre gripping bone piece, and the frictional force between sawtooth increase binding clip and the bone piece is favorable to the firm of centre gripping, avoids the bone piece slippage among the clamping process. The fixer is favorable for ensuring that the direction of the rotatable guide sleeve is positioned on the same horizontal line, and is favorable for resetting and fixing the fracture part by the Kirschner wire. The latch is favorable to the position of fixed first handle and second handle after the centre gripping bone piece to position between the fixed two binding clip firmly fixes the broken bone at the in-process that penetrates the kirschner wire, avoids the bone piece slippage, and need not the doctor to first handle and second handle application of force.

Preferably, the guide sleeve comprises a first joint and a fixed clamping tube; the first joint is movably connected inside the tong head, and a first open slot is formed in the first joint; the fixing clamp pipe is provided with a second open slot, the second open slot is clamped with the fixer in a sliding mode, and the first joint is located on one side, away from one end of the second open slot, of the fixing clamp pipe. The first grooving aims at preventing the first connector material from falling off after being clamped by the first connector material which is elastically clamped into the inside of the clamp head. The fixing clamp pipe is convenient for the guide sleeve to be connected with the fixer.

Preferably, the fixer comprises a first sliding tube, a second sliding tube and a fixing foot; the second sliding pipe is sleeved inside the first sliding pipe, a sliding pipe fixing nut is arranged on the first sliding pipe, fixing feet are arranged at one ends of the first sliding pipe and the second sliding pipe, and the fixing feet are slidably clamped with the second grooves.

The first sliding pipe and the second sliding pipe are matched with each other, so that different distances between the guide sleeves can be met. The sliding tube fixing nut is beneficial to loosening and fixing the first sliding tube and the second sliding tube. The sliding pipe fixing nut is rotated clockwise until the sliding pipe fixing nut cannot rotate, the bottom end of the sliding pipe fixing nut abuts against the second sliding pipe, and the first sliding pipe and the second sliding pipe are fixed and cannot slide; the sliding pipe fixing nut rotates anticlockwise, the bottom end of the sliding pipe fixing nut is separated from the second sliding pipe, and the first sliding pipe and the second sliding pipe are loosened and can slide. The fixing foot is favorable for the connection of the fixer and the fixing clamp pipe on the guide sleeve.

Preferably, the second forceps handle is sleeved outside the first forceps handle on the same horizontal line, the guide sleeve is respectively fixed on the first forceps handle and the second forceps handle through an extension block, and sawteeth are arranged on one side of the guide sleeve; the handle includes third handle and fourth handle, third handle and first pincers handle fixed connection, it has handle fixation nut to run through on the third handle, the fourth handle is articulated with handle fixation nut, fourth handle and handle fixation nut hinged end are fixed with first connecting rod, first connecting rod is articulated with the second connecting rod, the second connecting rod is fixed on the second pincers handle.

The first clamp handle and the second clamp handle are positioned on the same horizontal line, so that the direction of the guide sleeve is ensured to be positioned on the same horizontal line, the kirschner wire is driven to be positioned on the same horizontal line, and the reduction and the fixation of the kirschner wire to the fracture part are facilitated. The extension block leaves a space between the guide sleeve and the first and second forceps handles, which is beneficial to accommodate the bone block during clamping. The saw teeth increase the friction force between the binding clip and the bone block, which is beneficial to the firm clamping and avoids the bone block from slipping in the clamping process. The handle fixing nut is beneficial to adjusting the mobility of the fourth handle; the handle fixing nut is rotated clockwise, the third handle and the fourth handle are fastened by the handle fixing nut, and the fourth handle cannot be pressed; the handle fixing nut is rotated anticlockwise, so that the third handle and the fourth handle are loosened, and the fourth handle can be pressed; after the fourth handle is pressed, the fourth handle drives the first connecting rod to move, the first connecting rod drives the second connecting rod to move, and finally the second forceps handle is driven to move upwards, so that the bone block can be clamped by the guide sleeve. After clamping is finished, the handle fixing nut is rotated clockwise again, so that the position between the first clamp handle and the second clamp handle is kept fixed.

Preferably, a projection is arranged at the middle end of the first clamp handle, a stroke limiting block is arranged on the second clamp handle, and the projection abuts against the stroke limiting block after the second clamp handle moves for a certain distance. The travel limiting block is used for limiting the moving distance of the second clamp handle, so that the second clamp handle is prevented from moving forwards any more after the moving distance exceeds the range.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this device sets up the uide bushing that can adjust, and is equipped with the fixer on the uide bushing, is favorable to the direction of uide bushing in accommodation process on same water flat line, and the kirschner wire that penetrates like this will be located same water flat line also, is favorable to resetting and fixing of fracture position, avoids the kirschner wire direction deviation that penetrates to fix in order to influence the bone piece. The fixer is small in size, can be detached after the guide sleeve is adjusted, is convenient and quick, and cannot influence the operation of a doctor.

2. This device still can be directly set up guide sleeve on same water flat line, drives the second pincers handle back-and-forth movement through pressing the handle to satisfy the fixed of different bone pieces, and the second pincers handle is in same water flat line always at the removal in-process, is favorable to the reduction of fracture position and fixes, need not to install the fixer during the use and adjusts guide sleeve, and is more convenient.

3. The device is characterized in that the sawteeth are additionally arranged at the contact position of the bone block, so that the bone block can be firmly clamped only by partial contact without complete contact with the bone block even if a certain angle is formed between the sawteeth and a fracture surface when the bone block is fixed.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a novel kirschner wire guider of the present invention;

fig. 2 is an enlarged schematic structural view of a portion a of the novel kirschner wire guider of the present invention;

fig. 3 is a schematic view of a reverse structure of a portion a of the novel kirschner wire guider of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a guide sleeve of the novel kirschner wire guider of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a holder of the novel kirschner wire guider of the present invention;

fig. 6 is a schematic structural view of a second embodiment of the novel kirschner wire guider of the present invention.

Reference numbers in the figures: 1. a first plier handle; 2. a second forceps handle; 3. clamping teeth; 4. a handle; 4-1, a first handle; 4-2, a second handle; 401. a third handle; 402. a fourth handle; 5. a binding clip; 6. the guide sleeve is fixed with a nut; 7. saw teeth; 8. a guide sleeve; 8-1, a first joint; 8-2, first slotting; 8-3, fixing the clamping pipe; 8-4, second slotting; 9. a holder; 9-1, a first sliding tube; 9-2, fixing a nut by the sliding pipe; 9-3, a second sliding tube; 9-4, fixing feet; 10. a handle fixing nut; 11. a first link; 12. a second link; 13. a travel limit block.

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.

The first embodiment is as follows: as shown in fig. 1-5, the utility model provides a technical solution, a novel kirschner wire guider, comprising a first forceps handle 1, a second forceps handle 2, a handle 4 and a guide sleeve 8; the first forceps handle 1 and the second forceps handle 2 are connected with each other, and clamping and fixing of a broken bone are facilitated. The handle 4 is arranged at one end of the first forceps handle 1 and one end of the second forceps handle 2, and is beneficial to a doctor to hold the kirschner wire guider. The guide sleeve 8 is arranged at the other end of the first forceps handle 1 and the second forceps handle 2 and is used for guiding and placing the kirschner wire.

First pincers handle 1 and second pincers handle 2 are alternately articulated for the distance between the adjustment guide sleeve 8 is convenient for be suitable for the bone piece of equidimension not, does benefit to the centre gripping and the release of realization to the broken bone. The handle 4 comprises a first handle 4-1 and a second handle 4-2, the first handle 4-1 is fixedly connected with the first forceps handle 1, and the second handle 4-2 is fixedly connected with the second forceps handle 2; the first handle 4-1 and the second handle 4-2 are far away, and the first clamp handle 1 and the second clamp handle 2 are close; the first handle 4-1 and the second handle 4-2 are close, and the first clamp handle 1 and the second clamp handle 1 are far away. The guide sleeve 8 is movably connected with the binding clip 5, and one side of the binding clip 5 is provided with a guide sleeve fixing nut 6 which is used for adjusting the fixing position of the guide sleeve 8 after the position is adjusted to a proper position. The opposite side of binding clip 5 is equipped with sawtooth 7, increases the frictional force between binding clip and the bone piece for firm centre gripping, and the profile of tooth of sawtooth 7 is great only need have the contact with the bone piece can the centre gripping, avoids the bone piece slippage among the clamping process. The clamp head 5 is fixedly connected with the other ends of the first clamp handle 1 and the second clamp handle 2, the guide sleeves 8 are connected through the fixator 9, and the lower end of the first clamp handle 1 is provided with a latch 3; the forceps head 5 moves in an arc shape, so that the guide sleeves are not positioned on a horizontal line, and the fixer 9 is used for ensuring that the directions of the rotatable guide sleeves 8 are positioned on the same horizontal line, thereby being beneficial to the reduction and fixation of the kirschner wire to the fracture part; the latch 3 is beneficial to fixing the positions of the first handle 4-1 and the second handle 4-2 after the bone block is clamped, so that the position between the two forceps heads 5 is fixed, the broken bone is firmly fixed in the process of penetrating the kirschner wire, the bone block is prevented from slipping, and a doctor does not need to apply force to the first handle 4-1 and the second handle 4-2.

The guide sleeve 8 comprises a first joint 8-1 and a fixed clamping pipe 8-3; the first joint 8-1 is movably connected inside the binding clip 5, and a first open slot 8-2 is formed in the first joint 8-1; the fixed clamping pipe 8-3 is provided with a second open slot 8-4, the second open slot 8-4 is clamped with the fixer 9 in a sliding way, and the first joint 8-1 is positioned at one side of the fixed clamping pipe 8-3 far away from one end of the second open slot 8-4. The first slot 8-2 is designed to be elastically clamped into the interior of the binding clip 5 by the material of the first joint 8-1, so as to prevent the binding clip from falling off after being clamped. The fixing clamp tube 8-3 is convenient for the guide sleeve 8 to be connected with the fixer 9.

The holder 9 includes a first sliding tube 9-1, a second sliding tube 9-3, and a fixing foot 9-4. The second sliding pipe 9-3 is sleeved inside the first sliding pipe 9-1 and is matched with each other to meet different distances between the guide sleeves 8. The first sliding pipe 9-1 is provided with a sliding pipe fixing nut 9-2 for loosening and fixing the first sliding pipe 9-1 and the second sliding pipe 9-3; the sliding pipe fixing nut 9-2 is rotated clockwise until the position can not be rotated, the bottom end of the sliding pipe fixing nut 9-2 is abutted against the second sliding pipe 9-3, and the positions of the first sliding pipe 9-1 and the second sliding pipe 9-3 are fixed and can not slide; the sliding pipe fixing nut 9-2 is rotated counterclockwise, the bottom end of the sliding pipe fixing nut 9-2 is separated from the second sliding pipe 9-3, and the first sliding pipe 9-1 and the second sliding pipe 9-3 are loosened to be slidable. One end of each of the first sliding pipe 9-1 and the second sliding pipe 9-3 is provided with a fixed foot 9-4, and the fixed feet 9-4 are clamped with the second open groove 8-4 in a sliding manner. The fixing feet 9-4 are beneficial to connecting the fixer 9 with the fixing clamping tube 8-3 on the guide sleeve 8.

Example two: as shown in fig. 6, the utility model provides another technical solution, a novel kirschner wire guider, which comprises a first forceps handle 1, a second forceps handle 2, a handle 4 and a guiding sleeve 8; the first forceps handle 1 and the second forceps handle 2 are connected with each other, and clamping and fixing of a broken bone are facilitated. The handle 4 is arranged at one end of the first forceps handle 1 and one end of the second forceps handle 2, and is beneficial to a doctor to hold the kirschner wire guider. The guide sleeve 8 is arranged at the other end of the first forceps handle 1 and the second forceps handle 2 and is used for guiding and placing the kirschner wire.

The second forceps handle 2 is sleeved outside the first forceps handle 1 on the same horizontal line, and the position on the same horizontal line is favorable for ensuring that the direction of the guide sleeve 8 is positioned on the same horizontal line, so that the kirschner wire driven into the forceps is positioned on the same horizontal line, and the kirschner wire resets and fixes the fracture part. The guide sleeve 8 is fixed on the first forceps handle 1 and the second forceps handle 2 through the extension block respectively, so that a part of space is left between the guide sleeve 8 and the first forceps handle 1 and the second forceps handle 2 for accommodating bone blocks during clamping. The sawtooth 7 is arranged on one side of the guide sleeve 8, so that the friction force between the binding clip and the bone block is increased, the clamping is firm, the sawtooth 7 is large in tooth form, the clamping can be realized only by contacting with the bone block, and the bone block slippage in the clamping process is avoided. The handle 4 comprises a third handle 401 and a fourth handle 402, the third handle 401 is fixedly connected with the first forceps handle 1, a handle fixing nut 10 penetrates through the third handle 401, the fourth handle 402 is hinged to the handle fixing nut 10, a first connecting rod 11 is fixed to the hinged end of the fourth handle 402 and the handle fixing nut 10, the first connecting rod 11 is hinged to a second connecting rod 12, and the second connecting rod 12 is fixed to the second forceps handle 2. The handle fixing nut 10 facilitates adjustment of the mobility of the fourth handle 402; the handle fixing nut 10 is rotated clockwise, the handle fixing nut 10 fastens the third handle 401 and the fourth handle 402, and the fourth handle 402 cannot be pressed; the handle fixing nut 10 is rotated anticlockwise, so that the third handle 401 and the fourth handle 402 are loosened, and the fourth handle 402 can be pressed; after the fourth handle 402 is pressed, the fourth handle 402 drives the first connecting rod 11 to move, the first connecting rod 11 drives the second connecting rod 12 to move, and finally the second forceps handle 2 is driven to move, so that the guide sleeve 8 is favorable for clamping bone blocks. After the clamping is finished, the handle fixing nut 10 is rotated clockwise again, so that the position between the first forceps handle 1 and the second forceps handle 2 is kept fixed.

The middle end of the first clamp handle 1 is provided with a convex block, the second clamp handle 2 is provided with a stroke limiting block 13, and the convex block abuts against the stroke limiting block 13 after the second clamp handle 2 moves for a certain distance. The travel limiting block 13 is used for preventing the second forceps handle from moving forwards any more after the moving distance exceeds the range according to the moving distance of the second forceps handle 2.

The utility model discloses a theory of operation is: during the use, the doctor holds handle 4 department, opens handle 4, utilizes binding clip 5 to carry out the centre gripping to the broken bone position and resets, and sawtooth 7 makes binding clip 5 part contact bone face can the centre gripping. After the clamping is finished, the clamping teeth 3 are clamped on the second clamp handle 2, and the positions of the first clamp handle 1 and the second clamp handle 2 are fixed. The fixator 9 is clamped into a second slot 8-4 on the guide sleeve 8 in a sliding mode through the fixing feet 9-4, after the guide sleeve 8 is adjusted to a proper position, the guide sleeve fixing nut 6 is rotated, the position of the guide sleeve 8 is fixed, the fixator 9 is removed, and the kirschner wire penetrates into a bone block from the guide sleeve 8 to complete fixation.

In another embodiment, there is no need to adjust the orientation of the guide sleeve 8, nor to install the anchor 9. When the pliers are operated, the third handle 402 is pressed, the third handle 402 drives the first connecting rod 11 to move, the first connecting rod 11 drives the second connecting rod 12 to move, and finally the second pliers handle 2 is driven to move. After the position of the guide sleeve 8 is adjusted, the handle fixing nut 10 is rotated to restrict the movement of the third handle 402 to fix the position between the guide sleeves 8, the clamping of the bone block is completed, and then the kirschner wire is penetrated into the bone block from the guide sleeve 8 to complete the fixation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a novel ke shi needle director which characterized in that: comprises a first forceps handle (1), a second forceps handle (2), a handle (4) and a guide sleeve (8); the first forceps handle (1) and the second forceps handle (2) are connected with each other, the handle (4) is located at one end of the first forceps handle (1) and one end of the second forceps handle (2), and the guide sleeve (8) is located at the other end of the first forceps handle (1) and the other end of the second forceps handle (2).

2. The novel k-wire guide as claimed in claim 1, wherein: the first forceps handle (1) and the second forceps handle (2) are hinged in a cross mode; the handle (4) comprises a first handle (4-1) and a second handle (4-2), the first handle (4-1) is fixedly connected with the first forceps handle (1), and the second handle (4-2) is fixedly connected with the second forceps handle (2); the novel clamp is characterized in that the guide sleeve (8) is movably connected with the clamp head (5), a guide sleeve fixing nut (6) is arranged on one side of the clamp head (5), sawteeth (7) are arranged on the other side of the clamp head (5), the clamp head (5) is fixedly connected with the other ends of the first clamp handle (1) and the second clamp handle (2), the guide sleeve (8) is connected with the other ends of the first clamp handle (1) and the second clamp handle (2) through a fixer (9), and the lower end of the first clamp handle (1) is provided with clamping teeth (3).

3. The novel k-wire guide as claimed in claim 2, wherein: the guide sleeve (8) comprises a first connector (8-1) and a fixed clamping pipe (8-3); the first joint (8-1) is movably connected inside the tong head (5), and a first open slot (8-2) is formed in the first joint (8-1); the fixing clamp pipe (8-3) is provided with a second open slot (8-4), the second open slot (8-4) is in sliding clamping with the fixer (9), and the first joint (8-1) is located on one side, away from one end of the second open slot (8-4), of the fixing clamp pipe (8-3).

4. The novel k-wire guide as claimed in claim 2, wherein: the fixer (9) comprises a first sliding tube (9-1), a second sliding tube (9-3) and a fixing foot (9-4); the second sliding pipe (9-3) is sleeved inside the first sliding pipe (9-1), a sliding pipe fixing nut (9-2) is arranged on the first sliding pipe (9-1), fixing feet (9-4) are arranged at one ends of the first sliding pipe (9-1) and the second sliding pipe (9-3), and the fixing feet (9-4) are clamped with the second grooves (8-4) in a sliding mode.

5. The novel k-wire guide as claimed in claim 1, wherein: the second forceps handle (2) is sleeved on the outer side of the first forceps handle (1) on the same horizontal line, the guide sleeve (8) is fixed on the first forceps handle (1) and the second forceps handle (2) through the extension block respectively, and sawteeth (7) are arranged on one side of the guide sleeve (8); the handle (4) comprises a third handle (401) and a fourth handle (402), the third handle (401) is fixedly connected with the first forceps handle (1), a handle fixing nut (10) penetrates through the third handle (401), the fourth handle (402) is hinged to the handle fixing nut (10), a first connecting rod (11) is fixed to the hinged end of the fourth handle (402) and the handle fixing nut (10), the first connecting rod (11) is hinged to the second connecting rod (12), and the second connecting rod (12) is fixed to the second forceps handle (2).

6. The novel k-wire guide as claimed in claim 5, wherein: the middle end of the first clamp handle (1) is provided with a convex block, the second clamp handle (2) is provided with a stroke limiting block (13), and the convex block abuts against the stroke limiting block (13) after the second clamp handle (2) moves for a certain distance.

Images