CN209734123U

CN209734123U - Kirschner wire embedding and aiming device

Info

Publication number: CN209734123U
Application number: CN201822022513.9U
Authority: CN
Inventors: 梁就积
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2019-12-06
Anticipated expiration: 2028-12-04

Abstract

The utility model discloses a sighting device is put into to ke shi needle, including the connecting rod, the one end welding of connecting rod has the fixed strip, and the fixed strip is perpendicular to be connected at the tail end of connecting rod, the bottom mounting welding of fixed strip has puts into the head, the sliding tray has been seted up to the intermediate position of connecting rod, sliding connection has pressure nut in the sliding tray, the connecting rod is located sliding tray department cover and has the slip external member to and be equipped with the joint groove in the slip external member, the joint groove top of slip external member is passed to pressure nut's one end. The utility model discloses an utilize two points to confirm the principle design of a straight line and parallel lines and be in the head of putting into of same straight line and add the pressure head for closed or the high accuracy threading needle between the fracture piece that exposes totally is fixed, and not only wicresoft but also practicality have avoided reluctant blind to beat and have worn the drawback that the needle harmd the tissue repeatedly, change into the situation that shortens the operation time and accept unsatisfactory counterpoint, are convenient for let patient reduce the damage.

Description

Kirschner wire embedding and aiming device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to sighting device is put into to ke shi needle.

Background

In bone surgery, often need carry out ke shi needle temporary fixation to the fracture piece that resets, whether accurately squeeze into ke shi needle, often play the decisive action to improving operation efficiency and guaranteeing the operation quality. The Kirschner wire can be accurately driven under the condition of direct vision between fracture blocks which are fully stripped or even completely stripped and exposed, so that the difficulty is not great. However, in modern medicine, under the requirement of minimally invasive concept, an orthopedist is often required to accurately and effectively drive in the kirschner wire on the premise of closing or not stripping the exposed fracture end. In clinic, however, it is often difficult to precisely drive the kirschner wire into the hole; the patient is barely blindly hit, or repeatedly penetrates the needle to damage the tissue, or receives the imperfect alignment for shortening the operation time. However, a tool for assisting the accurate fixation of the kirschner wire and the guide wire is not available in the surgical instrument. To this end, we propose a kirschner wire insertion aiming device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a kirschner wire puts into sighting device, through utilizing two points to confirm that the principle design of a straight line and parallel lines is in the head of putting into of same straight line and add the pressure head, a high accuracy threading needle between the fracture piece that is used for closed or not exposing is fixed, it is not only wicresoft but also practical, avoided barely touch to beat and the drawback of threading needle damage tissue repeatedly, change into the situation that shortens the operation time and accepts unsatisfactory counterpoint, be convenient for let patient reduce the damage, provide fine help for orthopedic clinical operation, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a sighting device is put into to ke shi needle, includes the connecting rod, the one end welding of connecting rod has the fixed strip, and the tail end at the connecting rod is connected perpendicularly to the fixed strip, the bottom fixed welding of fixed strip has the head of putting into, the sliding tray has been seted up to the intermediate position of connecting rod, sliding tray sliding connection has pressure nut, the connecting rod is located sliding tray department cover and has the slip external member to and be equipped with the joint groove in the slip external member, the joint groove top of slip external member is passed to pressure nut's one end fixedly connected with pressurization head, pressurization head one side is equipped with the aiming sleeve, and aims telescopic tail-end welding and have the board, the one end of board is connected perpendicularly in the telescopic one end of aiming.

Further, the pressurizing head and the embedding head are in the same horizontal line.

Furthermore, the pressurizing head and the embedding head are of hollow structures and are in a circular tube shape, and the inner diameter and the outer diameter of the pressurizing head and the embedding head are the same.

Further, the connecting rod is far away from one end of the fixing strip and sleeved with the holding handle.

Further, the outer diameter of the aiming sleeve is smaller than the inner diameter of the compression head and the insertion head.

Compared with the prior art, the utility model discloses following beneficial effect has:

The utility model discloses an utilize two points to confirm the principle design of a straight line and parallel lines and be in the head of putting into and add the pressure head of same straight line for closed or the high accuracy threading between the fracture piece that exposes is fixed, and not only wicresoft but also practical has avoided barely blindly beating and has worn the drawback that the needle harmd the tissue repeatedly, changes into the situation of accepting unsatisfactory counterpoint of shortening the operation time, is convenient for let patient reduce the damage, provides fine help for orthopedic clinical operation.

drawings

Fig. 1 is a schematic view of the whole structure of the kirschner-pin implanting and aiming device of the present invention.

In the figure: 1. placing the head in; 2. a connecting rod; 3. a sliding groove; 4. a compression nut; 5. a sliding sleeve member; 6. a grip; 7. a pressurizing head; 8. an aiming sleeve; 9. a hand-held board; 10. a clamping groove; 11. and (4) fixing the strip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, the kirschner wire implanting aiming device comprises a connecting rod 2, one end of the connecting rod 2 is welded with a fixing strip 11, and the fixed strip 11 is vertically connected with the tail end of the connecting rod 2, the bottom end of the fixed strip 11 is fixedly welded with an embedding head 1, a sliding groove 3 is arranged in the middle of the connecting rod 2, a pressure nut 4 is connected in the sliding groove 3 in a sliding way, a sliding sleeve 5 is sleeved at the position, located in the sliding groove 3, of the connecting rod 2, and a clamping groove 10 is arranged in the sliding sleeve member 5, one end of the pressure nut 4 passes through the top end of the clamping groove 10 of the sliding sleeve member 5, one end of the sliding sleeve 5, which is opposite to the connecting rod 2, is fixedly connected with a pressurizing head 7, one side of the pressurizing head 7 is provided with an aiming sleeve 8, and the tail end welding of aiming sleeve 8 has hand board 9, the one end of hand board 9 is connected perpendicularly in the one end of aiming sleeve 8.

in the embodiment (as shown in fig. 1), the insertion head 1 and the pressure head 7 which are positioned on the same straight line are designed by utilizing the principle that two points determine a straight line and a parallel line, so that the high-precision needle threading fixation between closed or incompletely exposed fracture blocks is realized, the minimally invasive and practical effects are realized, the defect that the tissues are damaged by reluctant blind striking and repeated needle threading is avoided, the situation that the operation time is shortened and the unsatisfactory contraposition is accepted is changed, the injury of a patient is reduced conveniently, and the good help is provided for the clinical operation of orthopedics.

Wherein, the pressurizing head 7 and the embedding head 1 are in the same horizontal line.

In this embodiment (as shown in fig. 1), accurate fixation of the bone is ensured.

Wherein, the pressurizing head 7 and the embedding head 1 are of hollow structures, the pressurizing head 7 and the embedding head 1 are of circular tube shapes, and the inner diameter and the outer diameter of the pressurizing head 7 and the embedding head 1 are the same.

In this embodiment (as shown in fig. 1), the use of the pressure head 7 and the insertion head 1 is facilitated.

Wherein, the connecting rod 2 is far away from one end of the fixed strip 11 and sleeved with the holding handle 6.

In this embodiment (as shown in fig. 1), it is convenient to increase the convenience of holding.

Wherein the outer diameter of the aiming sleeve 8 is smaller than the inner diameter of the compression head 7 and the insertion head 1.

In this embodiment (as shown in fig. 1), the aiming sleeve 8 is easy to place.

It should be noted that the utility model relates to a kirschner wire implanting aiming device, when working, after the fracture is reset, firstly, a fracture block (open side) is marked, then skin, subcutaneous and fascia corresponding to the preset (approximate) position of the fracture block are cut, blunt separation is carried out to periosteum, then the implanting head 1 is placed at the preset position of the opposite side, if necessary, the perspective position confirmation in C-arm X-ray operation can be carried out, then the pressurizing screw cap 4 is loosened, then the sliding sleeve component 5 is slid, the pressurizing head 7 at the bottom end of the sliding sleeve component 5 is slid to the position without influencing the implanting state, the pressurizing head 7 is slid again to the marked position of the fracture block (open side), the pressurizing screw cap 4 is screwed down to ensure and fix two points between the two fracture blocks, whether to use the kirschner wire or guide wire with proper size of the aiming sleeve 8 is selected according to need, if the smaller fracture block uses the aiming sleeve 8, guarantee the accuracy that the ke shi needle was squeezed into, the fracture piece is great takes measures according to the condition, and the structural component of this device adopts stainless steel or alloy preparation entirely, and this device can be used to the high accuracy threading needle between the fracture piece that closed or incompletely exposes fixed, and not only wicresoft but also practicality have avoided the problem of reluctant blind beating and the damaged tissue of threading needle repeatedly, change into the situation of accepting unsatisfactory counterpoint of shortening the operation time, be convenient for let patient reduce the damage, provide fine help for orthopedic clinical operation.

The parts of the utility model, such as the embedding head 1, the connecting rod 2, the sliding groove 3, the pressure nut 4, the sliding sleeve 5, the holding handle 6, the pressure head 7, the aiming sleeve 8, the holding plate 9, the clamping groove 10, the fixing strip 11, and the like are all universal standard parts or parts known by the technicians in the field, the structure and principle of the utility model can be known by technical manuals or conventional experimental methods, the utility model designs the embedding head 1 and the pressurizing head 7 which are positioned in the same straight line by using the principle of determining a straight line and a parallel line at two points, the high-precision threading needle is used for fixing closed or incompletely exposed fracture blocks by high-precision threading, is minimally invasive and practical, avoids the defects of reluctant blind striking and repeated threading to damage tissues, changes into the condition of shortening the operation time and accepting imperfect alignment, is convenient for reducing the damage of patients, and provides good help for orthopedic clinical operations.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a kirschner wire puts into aiming device, includes connecting rod (2), its characterized in that: the one end welding of connecting rod (2) has fixed strip (11), and the tail end of connecting rod (2) is connected perpendicularly to fixed strip (11), the bottom fixed welding of fixed strip (11) has imbedding head (1), sliding tray (3) have been seted up to the intermediate position of connecting rod (2), sliding tray (3) sliding connection has pressure nut (4), connecting rod (2) are located sliding tray (3) department cover and have slip external member (5) to and be equipped with joint groove (10) in slip external member (5), the joint groove (10) top of slip external member (5) is passed to the one end of pressure nut (4), the one end fixedly connected with pressure head (7) of slip external member (5) relative connecting rod (2), pressure head (7) one side is equipped with aims sleeve (8), and the tail end welding that aims sleeve (8) has hand board (9), one end of the hand-held plate (9) is vertically connected with one end of the aiming sleeve (8).

2. The k-wire insertion aiming device as claimed in claim 1, wherein: the pressurizing head (7) and the embedding head (1) are positioned on the same horizontal line.

3. The k-wire insertion aiming device as claimed in claim 1, wherein: the pressurizing head (7) and the embedding head (1) are of hollow structures, the pressurizing head (7) and the embedding head (1) are in a circular tube shape, and the inner diameter and the outer diameter of the pressurizing head (7) and the embedding head (1) are the same.

4. The k-wire insertion aiming device as claimed in claim 1, wherein: one end of the connecting rod (2) far away from the fixing strip (11) is sleeved with the holding handle (6).

5. The k-wire insertion aiming device as claimed in claim 1, wherein: the outer diameter of the aiming sleeve (8) is smaller than the inner diameters of the pressurizing head (7) and the implanting head (1).