CN219126624U

CN219126624U - Channel Kirschner wire convenient to location tibia

Info

Publication number: CN219126624U
Application number: CN202223451430.4U
Authority: CN
Inventors: 谢刚
Original assignee: Hubei Aifupeng Technology Development Co ltd
Current assignee: Hubei Aifupeng Technology Development Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-06
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a channel Kirschner wire convenient for positioning tibia, which comprises a channel Kirschner wire body and a threaded pipe, wherein the left end of the channel Kirschner wire body is connected with a first screwing block, an inner cavity is formed in the first screwing block, the threaded pipe is arranged at the left end of the first screwing block, a connecting block is arranged outside the threaded pipe, the left end of the threaded pipe is connected with the channel pipe, arc-shaped blocks are arranged at the upper end and the lower end of the right side of the connecting block, an adjusting component is arranged in the arc-shaped blocks, the adjusting component comprises a sliding strip, a rack, a positioning hole I and a driving gear, and the rack is arranged at the right side of the sliding strip. This passageway k shi needle convenient to location tibia compares with current passageway k shi needle, can fix the tibia, avoids appearing the phenomenon of position offset to the fixed operation in-process of tibia to can adjust the position that the tibia was fixed, carry out accurate fixing to the fixed position of tibia, but also can be convenient for medical personnel change surgical tools.

Description

Channel Kirschner wire convenient to location tibia

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a channel Kirschner wire convenient for positioning tibia.

Background

The tibia is one of important bones formed by lower limbs of a human body, is a long bone on the inner side of the lower leg and is divided into two ends, the proximal end and the tibia form knee joints, the distal end and the talus bones as well as the fibula form ankle joints, the Kirschner wire is an internal fixing material for fixing fracture blocks commonly used in orthopaedics, the Kirschner wire is a sterilized, sharpened and smooth stainless steel nail, an electric drill or a hand drill is usually used for driving the needle to penetrate through the skin and enter the bone, the method is called percutaneous needle fixing, the length is about 20 cm, the diameter is 0.5 mm-2 mm, the method can be installed on the electric drill of an orthopedic instrument and is used for fixing fracture with small short fracture, avulsion fracture and the like, so that the damaged bone can grow and recover, the Kirschner wire is generally used in combination with an external fixing bracket and external fixing locking, and fixing some larger fracture such as fracture pelvis fracture, calcaneal fracture and the like, and is one of important operation tools for orthopaedics, and the Kirschner is generally required to be positioned in tibial operation.

The utility model provides a be CN216455261U as the publication, name is a patent of kirschner wire convenient to location shin bone passageway, this patent is through needle cover and nook closing member, the top of needle cover is equipped with the connecting block, be equipped with the spread groove in the connecting block, the internal thread is gone up to the inner wall of spread groove, the top of nook closing member is equipped with the connective handle, be equipped with the insert block on the connective handle, the outside of insert block be equipped with internal thread complex external screw thread, be equipped with the locating sleeve in the needle cover, the nook closing member passes the locating sleeve. The utility model can clearly position and guide the tibial channel after the tibial channel is punched on the tibia, is convenient for doctors to perform the operation of fixing the tibial intercondylar spine fracture, and effectively improves the operation efficiency.

In the use process, after the tibia channel is punched on the tibia, the needle core is pulled out, the positioning sleeve is pushed out to be positioned in the tibia channel, but the problem of position deviation in the positioning process is ignored, the tibia cannot be accurately positioned, the deviation phenomenon possibly occurs in the positioning process, the operation is affected, and aiming at the situation, the technical innovation is carried out on the basis of the existing channel Kirschner wire.

Disclosure of Invention

The present utility model is directed to a channeled k-wire for facilitating the positioning of the tibia, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a passageway kirschner wire convenient to location tibia, includes passageway kirschner wire body and screwed pipe, the left end of passageway kirschner wire body is connected with twists piece one, and twists the inside of piece one and seted up the inner chamber, the screwed pipe sets up the left end of twisting piece one, and the outside of screwed pipe is provided with the connecting block, the left end of screwed pipe is connected with the passageway pipe, both ends all are provided with the arc piece about the right side of connecting block, and the inside of arc piece is provided with adjusting part, adjusting part includes slider, rack, locating hole one and driving gear, the right side of slider is provided with the rack, and is connected with the driving gear below the right side of rack, locating hole one has been seted up to the inside of slider, and locating hole one is provided with twenty.

Furthermore, the front end of the inner part of the arc-shaped block is provided with two positioning holes, twenty positioning holes are formed in the two positioning holes, and a screwing block III is arranged in the two positioning holes in a penetrating mode.

Further, a second screwing block is arranged on the right side of the front end of the arc-shaped block, and a first positioning hook is connected to the left side of the upper end of the arc-shaped block.

Further, a second positioning hook is connected to the left side of the lower end of the arc-shaped block, and the second positioning hook and the first positioning hook are equal in size.

Further, the first screwing block is fixedly connected with the threaded pipe, and the threaded pipe is integrally connected with the channel pipe.

Furthermore, the rack is meshed with the driving gear, and the driving gear is fixedly connected with the second screwing block.

Furthermore, the connecting block is in threaded connection with the threaded pipe, and the inside of the connecting block is hollow.

Further, the sliding strip is in sliding connection with the arc-shaped block, and the arc-shaped block is in threaded connection with the screwing block III.

Compared with the prior art, the utility model has the beneficial effects that: this passageway k shi needle convenient to location tibia can fix the tibia in the use, is convenient for fix a position the tibia, avoids appearing the phenomenon of position offset to the fixed operation in-process of tibia to can adjust according to the size of tibia, second rethread twists the piece three and rotates in locating hole two and fix the sliding bar, and then can adjust the position that the tibia was fixed, and the medical personnel of being convenient for carries out accurate fixing to the fixed position of tibia, and the surgical tools of medical personnel of being convenient for are changed in addition, carry out subsequent operation.

1. According to the utility model, through the arrangement of the twisting block II, the twisting block III, the positioning hole II, the positioning hook I, the positioning hook II, the sliding bar, the rack, the positioning hole I and the driving gear, medical staff can rotate in the positioning hole II by twisting the twisting block III to loosen the sliding bar, and then drive the driving gear to rotate by twisting the twisting block II, so that the sliding bar can slide in the arc-shaped block through the driving gear, and the positioning hook I and the positioning hook II can be driven to move through the sliding of the sliding bar, thereby fixing the tibia, facilitating the positioning of the tibia, avoiding the phenomenon of position deviation in the tibial fixing operation process and influencing the operation efficiency.

2. According to the utility model, through the arrangement of the screwing block II, the screwing block III, the positioning hole II, the positioning hook I, the positioning hook II, the channel Kirschner wire body, the screwing block I, the threaded tube, the channel tube, the inner cavity, the sliding bar, the rack, the positioning hole I and the driving gear, medical staff rotate in the positioning hole II through screwing the screwing block III to loosen the sliding bar, and then drive the driving gear to rotate through screwing the screwing block II, so that the sliding bar slides in the arc-shaped block through the driving gear, the positioning hook I and the positioning hook II can be driven to move through the sliding of the sliding bar to fix the tibia, the sliding bar is fixed according to the size of the tibia, and then the position of the tibia positioning can be adjusted through screwing the screwing block III, and the accurate fixing of the position of the tibia fixing can be facilitated for the medical staff.

Drawings

FIG. 1 is a schematic elevational, cross-sectional, structural view of a channeled k-wire for facilitating positioning of a tibia in accordance with the present utility model;

FIG. 2 is an enlarged schematic view of the channeled k-wire of FIG. 1 at A for facilitating positioning of the tibia in accordance with the present utility model;

FIG. 3 is a schematic view of a three-dimensional enlarged structure of a positioning hook of a channeled Kirschner wire for positioning tibia according to the present utility model;

fig. 4 is a schematic view of a screw block-enlarged perspective of a channeled k-wire for facilitating positioning of a tibia in accordance with the present utility model.

In the figure: 1. a channeled k-wire body; 2. twisting the first block; 3. a threaded tube; 4. a channel tube; 5. an inner cavity; 6. a connecting block; 7. an arc-shaped block; 8. an adjustment assembly; 801. a sliding bar; 802. a rack; 803. positioning holes I; 804. a drive gear; 9. twisting a second block; 10. screwing up a third block; 11. positioning holes II; 12. positioning a first hook; 13. and a positioning hook II.

Detailed Description

As shown in fig. 1 and 2, a channel k's needle convenient for positioning tibia comprises a channel k's needle body 1 and a screwed pipe 3, wherein the left end of the channel k's needle body 1 is connected with a first screwed block 2, an inner cavity 5 is formed in the first screwed block 2, the screwed pipe 3 is arranged at the left end of the first screwed block 2, a connecting block 6 is arranged outside the screwed pipe 3, the left end of the screwed pipe 3 is connected with a channel pipe 4, the upper end and the lower end of the right side of the connecting block 6 are respectively provided with an arc-shaped block 7, an adjusting component 8 is arranged in the arc-shaped block 7, the adjusting component 8 comprises a sliding bar 801, a rack 802, a first positioning hole 803 and a driving gear 804, the right side of the sliding bar 801 is provided with a rack 802, the driving gear 804 is connected below the right side of the rack 802, the first positioning hole 803 is formed in the sliding bar 801, twenty positioning holes 11 are formed in the front of the inner part of the arc-shaped block 7, and the twenty positioning holes II 11 are formed, the twisting block III 10 is arranged in the positioning holes II 11 in a penetrating manner, medical staff rotates in the positioning holes II 11 through twisting the twisting block III 10 to loosen the sliding bar 801, and then the driving gear 804 is driven to rotate through twisting the twisting block II 9, so that the sliding bar 801 can slide in the arc-shaped block 7 through the driving gear 804, the first positioning hook 12 and the second positioning hook 13 can be driven to move through the sliding of the sliding bar 801, the tibia is fixed, the tibia is positioned conveniently, the phenomenon of position deviation in the tibial fixing operation process is avoided, the operation efficiency is influenced, the medical staff drives the threaded tube 3 and the channel tube 4 to rotate in the connecting block 6 through twisting the twisting block I2, the channel tube 4 can be separated from the connecting block 6, and the channel tube 4 is separated from the twisting block I2, the threaded tube 3 and the channel tube 4 are separated and disassembled, so that the medical staff can conveniently replace surgical tools to perform subsequent operations, and the efficiency of the surgical operation is further improved;

as shown in fig. 3 and 4, the front end right side of the arc-shaped block 7 is provided with a screwing block two 9, and the upper end left side of the arc-shaped block 7 is connected with a positioning hook two 13, and the positioning hook two 13 is equal to the positioning hook one 12 in size, the screwing block two 2 and the threaded pipe 3 are fixedly connected, and the threaded pipe 3 and the channel pipe 4 are integrally connected, the rack 802 and the driving gear 804 are engaged, and the driving gear 804 and the screwing block two 9 are fixedly connected, the connecting block 6 and the threaded pipe 3 are in threaded connection, the inside of the connecting block 6 is hollow, the sliding bar 801 and the arc-shaped block 7 are in sliding connection, the arc-shaped block 7 and the screwing block three 10 are in threaded connection, the medical staff rotates in the positioning hole two 11 by screwing the screwing block three 10, the sliding bar 801 is loosened, the driving gear 804 is driven to rotate by screwing the driving gear 804, the sliding bar 801 slides in the arc-shaped block 7 through the driving gear 804, the sliding bar 801 can drive the positioning hook two 12 and the positioning hook two to move the tibia 11, and then the tibia 11 can be accurately positioned by the sliding bar is fixed, and the tibia 11 can be accurately positioned by the tibia 11.

Working principle: when the channel Kirschner wire convenient for positioning tibia is used, firstly, medical staff rotates in the positioning hole II 11 by screwing the screwing block III 10, so that the sliding strip 801 loosens, then, the driving gear 804 is driven to rotate by screwing the screwing block II 9, so that the sliding strip 801 slides in the arc-shaped block 7 through the driving gear 804, then, the first positioning hook 12 and the second positioning hook 13 can be driven to move through the sliding of the sliding strip 801, tibia is fixed, then, the sliding strip 801 is fixed by screwing the screwing block III 10 in the positioning hole II 11, the position of the tibia is adjusted without position offset in the tibial fixing operation process, then, the medical staff drives the channel operation channel Kirschner wire body 1 into the rotated tibial channel through the screwing block I2, the threaded pipe 3 and the channel pipe 4, the medical staff drives the threaded pipe 3 and the channel pipe 4 to rotate in the connecting block 6 through screwing the screwing block I2, so that the channel pipe 4 and the channel pipe 6 can be separated from the tibia 6, the tibia is screwed with the threaded pipe 3 and the channel pipe 4, and the continuous operation tool is replaced after the medical staff is screwed with the connecting block I3.

Claims

1. The utility model provides a passageway k shi needle convenient to location tibia, includes passageway k shi needle body (1) and screwed pipe (3), its characterized in that, the left end of passageway k shi needle body (1) is connected with twists piece one (2), and twists the inside of piece one (2) and seted up inner chamber (5), screwed pipe (3) set up the left end of twisting piece one (2), and the outside of screwed pipe (3) is provided with connecting block (6), the left end of screwed pipe (3) is connected with passageway pipe (4), both ends all are provided with arc piece (7) about the right side of connecting block (6), and the inside of arc piece (7) is provided with adjusting part (8), adjusting part (8) are provided with rack (802), locating hole one (803) and driving gear (804) including slider (801), and the right side below of rack (802) is connected with driving gear (804), locating hole one (803) has been seted up to the inside of slider (801), and locating hole (803) are provided with twenty.

2. The channeled kirschner wire for facilitating positioning of tibia according to claim 1, wherein the inner front end of the arc-shaped block (7) is provided with two positioning holes (11), twenty positioning holes (11) are provided, and a twisting block three (10) is arranged in the positioning holes (11) in a penetrating manner.

3. The k needle of claim 2, wherein the right side of the front end of the arc block (7) is provided with a second screw block (9), and the left side of the upper end of the arc block (7) is connected with a first positioning hook (12).

4. A channeled kirschner wire for facilitating positioning of tibia according to claim 3, wherein the left side of the lower end of the arc-shaped block (7) is connected with a positioning hook two (13), and the positioning hook two (13) and the positioning hook one (12) are equal in size.

5. The k-wire for the passage for positioning tibia according to claim 1, wherein the screw block one (2) is fixedly connected with the threaded tube (3), and the threaded tube (3) is integrally connected with the passage tube (4).

6. The k-wire for facilitating the positioning of tibia according to claim 1, wherein the rack (802) is engaged with the driving gear (804), and the driving gear (804) is fixedly connected with the screw block two (9).

7. A channeled k needle for facilitating positioning of tibia according to claim 1, wherein the connecting block (6) is screw-connected with the screw tube (3), and the inside of the connecting block (6) is hollow.

8. A channeled k-wire for facilitating positioning of tibia according to claim 1, wherein the sliding bar (801) is in sliding connection with the arc-shaped block (7), and the arc-shaped block (7) is in threaded connection with the screw-down block three (10).