CN213047223U

CN213047223U - Novel intramedullary needle inserting guider

Info

Publication number: CN213047223U
Application number: CN202021289971.XU
Authority: CN
Inventors: 王海; 宋燕; 冉广文
Original assignee: Fuling Center Hospital of Chongqing City
Current assignee: Fuling Center Hospital of Chongqing City
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-27
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a novel intramedullary needle insertion director, including hollow post, the first spacing ring of hollow post top fixedly connected with, hollow post top is equipped with first ring, open first ring bottom has first spacing groove, first spacing ring and first spacing groove sliding connection, the first limiting plate of first ring inner peripheral surface fixedly connected with, sliding connection has the guide post on one side of first limiting plate outer wall, the inside guiding hole that has run through of guide post, the first slider of guide post outer wall one side fixedly connected with. The utility model discloses a rotatory first ring utilizes transmission structure to drive the guiding hole and rotates, through rotating the knob, utilizes transmission structure to drive the guiding hole and removes, rotates and removes through the guiding hole for the guiding hole can remove the optional position in the hollow post, realizes the free transform of guiding hole position, this device simple structure, convenient operation simultaneously.

Description

Novel intramedullary needle inserting guider

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to novel intramedullary needle insertion guider.

Background

The fixing mode of femoral fracture usually adopts an intramedullary nail internal fixing mode, the needle inserting point of the intramedullary nail entering a femoral medullary cavity is important, the incorrect positioning of the needle inserting point of the intramedullary nail can cause the intramedullary nail to enter the medullary cavity very difficultly, and the whole treatment process can be seriously influenced, thereby causing delayed healing, nonhealing or abnormal healing of the femoral fracture. At present, during an operation, an insertion point of an intramedullary nail is assisted by X-rays, a doctor judges and adjusts the insertion point according to experience, an insertion path of the intramedullary nail is introduced into a femoral medullary cavity through a guide pin, when the insertion point of the guide pin deviates from the position of a correct insertion point, the doctor estimates and adjusts the guide pin according to the position displayed by the X-rays until the insertion point of the guide pin moves to the correct position, and then the intramedullary nail enters the femoral medullary cavity along the insertion path of the guide pin.

However, in practical use, the main technical problem is that the existing intramedullary insertion guide has a plurality of guide holes, which are usually opened during production, and the position of the guide hole cannot be adjusted according to the field requirement, and if the position of the needle to be inserted is located between the two guide holes, the guide loses the function.

Therefore, there is a need for a new intramedullary needle insertion guide to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel needle insertion director in marrow through rotatory first ring, utilizes transmission structure to drive the guiding hole and rotates, through rotating the knob, utilizes transmission structure to drive the guiding hole and removes, rotates and removes through the guiding hole for the guiding hole can move the optional position in the hollow post, realizes the free transform of guiding hole position, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a novel intramedullary needle inserting guider comprises a hollow column, wherein a first limiting ring is fixedly connected to the top of the hollow column, a first circular ring is arranged at the top of the hollow column, a first limiting groove is formed in the bottom of the first circular ring, the first limiting ring is in sliding connection with the first limiting groove, a first limiting plate is fixedly connected to the inner circumferential surface of the first circular ring, a guide column is in sliding connection with one side of the outer wall of the first limiting plate, a guide hole penetrates through the inside of the guide column, a first sliding block is fixedly connected to one side of the outer wall of the guide column, the first sliding block is in sliding connection with the first limiting plate, a connecting block is fixedly connected to one side of the outer wall of the guide column, one end, away from the guide column, of the connecting block is rotatably connected with a threaded column, the threaded column penetrates through the first circular ring, the threaded column is in threaded connection with the first circular ring, a second limiting ring is fixedly, the hollow column bottom is equipped with the second ring, open at the second ring top has the second spacing groove, first spacing ring and first spacing groove sliding connection, second ring inner peripheral surface fixedly connected with second limiting plate, second limiting plate and guide post sliding connection, second limiting plate bottom sliding connection has the second slider, second slider and guide post fixed connection.

Preferably, the top end of the outer peripheral surface of the hollow column is provided with a reference groove, and the bottom end of the outer peripheral surface of the first circular ring is provided with a scale groove.

Preferably, one end, far away from the connecting block, of the threaded column is fixedly connected with a knob, and anti-skid grains are formed in the peripheral surface of the knob.

Preferably, the outer peripheral surface of the hollow column is fixedly connected with an anti-slip sleeve, and the anti-slip sleeve is a rubber component.

Preferably, the number of the first limiting plates is two, and the two first limiting plates are symmetrically distributed on two sides of the guide post.

Preferably, the number of the second limiting plates is two, and the two second limiting plates are symmetrically distributed on two sides of the guide post.

Preferably, the number of first slider sets up to two, and two first slider symmetric distribution are in the guide post both sides, two first sliders respectively with two first limiting plate sliding connection.

Preferably, the number of the second sliding blocks is two, the two second sliding blocks are symmetrically distributed on two sides of the guide post, and the two second sliding blocks are respectively connected with the two second limiting plates in a sliding mode.

In the technical scheme, the utility model provides a technological effect and advantage:

through rotatory first ring, utilize transmission structure to drive the guiding hole and rotate, through rotating the knob, utilize transmission structure to drive the guiding hole and remove, rotate and remove through the guiding hole for the guiding hole can move the optional position in the hollow post, realizes the free transform of guiding hole position, and this device simple structure simultaneously, convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

fig. 2 is a front view of the present invention;

fig. 3 is a perspective view of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a cross-sectional view of the present invention;

FIG. 6 is an enlarged view of the portion A of FIG. 5 according to the present invention;

fig. 7 is an enlarged view of the structure of the part B in fig. 5 according to the present invention.

Description of reference numerals:

the anti-skidding guide post comprises a hollow post 1, a first limiting ring 2, a first circular ring 3, a first limiting groove 4, a first limiting plate 5, a guide post 6, a guide hole 7, a first sliding block 8, a connecting block 9, a threaded post 10, a second limiting ring 11, a second circular ring 12, a second limiting groove 13, a second limiting plate 14, a second sliding block 15, a reference groove 16, a scale groove 17, a knob 18 and an anti-skidding sleeve 19.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a novel intramedullary needle inserting guider as shown in figures 1-7, which comprises a hollow column 1, wherein the top of the hollow column 1 is fixedly connected with a first limiting ring 2, the top of the hollow column 1 is provided with a first circular ring 3, the bottom of the first circular ring 3 is provided with a first limiting groove 4, the first limiting ring 2 is in sliding connection with the first limiting groove 4, the inner circumferential surface of the first circular ring 3 is fixedly connected with a first limiting plate 5, one side of the outer wall of the first limiting plate 5 is in sliding connection with a guide column 6, a guide hole 7 penetrates through the guide column 6, one side of the outer wall of the guide column 6 is fixedly connected with a first slide block 8, the first slide block 8 is in sliding connection with the first limiting plate 5, one side of the outer wall of the guide column 6 is fixedly connected with a connecting block 9, one end of the connecting block 9, which is far away from the guide column 6, is rotatably connected with a threaded column 10, the threaded column 10 penetrates through the, threaded

column

10 and 3 threaded connection of first ring, 1 bottom fixedly connected with second spacing ring 11 of hollow post, 1 bottom of hollow post is equipped with second ring 12, it has second spacing groove 13 to open at second ring 12 top,

first spacing ring

2 and 4 sliding connection of first spacing groove, 12 inner peripheral surface fixedly connected with second limiting plate 14 of second ring, second limiting plate 14 and guide post 6 sliding connection, 14 bottom sliding connection of second limiting plate has second slider 15, second slider 15 and guide post 6 fixed connection.

Furthermore, in the above technical solution, the top end of the outer peripheral surface of the hollow column 1 is provided with a reference groove 16, the bottom end of the outer peripheral surface of the first ring 3 is provided with a scale groove 17, and a user can know how much the first ring 3 rotates through the scale groove 17 and the reference groove 16.

Further, in the above technical solution, one end of the threaded column 10, which is far away from the connecting block 9, is fixedly connected with a knob 18, the outer peripheral surface of the knob 18 is provided with anti-skid lines, and the threaded column 10 is driven by the knob 18, so that when the knob 18 rotates, the threaded column 10 is driven to be screwed into the first circular ring 3.

Further, in the above technical scheme, the outer circumferential surface of the hollow column 1 is fixedly connected with an anti-slip sleeve 19, the anti-slip sleeve 19 is a rubber member, and the anti-slip sleeve 19 is convenient for a user to take.

Further, in the above technical scheme, the number of the first limiting plates 5 is set to two, the two first limiting plates 5 are symmetrically distributed on two sides of the guide post 6, and the two first limiting plates 5 are located on two sides of the guide post 6, so that the moving track of the guide post 6 is fixed.

Further, in the above technical scheme, the number of the second limiting plates 14 is set to two, the two second limiting plates 14 are symmetrically distributed on two sides of the guide post 6, and the two second limiting plates 14 are located on two sides of the guide post 6, so that the moving track of the guide post 6 is fixed.

Further, in above-mentioned technical scheme, the quantity of first slider 8 sets up to two, and two first sliders 8 symmetric distribution are in guide post 6 both sides, and two first sliders 8 respectively with two first limiting plates 5 sliding connection, through the cooperation of two first sliders 8 and two second sliders 15 for guide post 6 can't reciprocate, and it is spacing to remove guide post 6.

Further, in above-mentioned technical scheme, the quantity of second slider 15 sets up to two, and two second sliders 15 symmetric distribution are in guide post 6 both sides, and two second sliders 15 respectively with two second limiting plates 14 sliding connection, through the cooperation of two first sliders 8 and two second sliders 15 for guide post 6 can't reciprocate, and it is spacing to remove guide post 6.

The implementation mode is specifically as follows: when the position of the guide hole 7 needs to be adjusted, firstly, the first ring 3 is rotated, the first ring 3 drives the first limiting plate 5, the first limiting plate 5 drives the guide post 6 and the scale groove 17, the guide post 6 drives the second limiting plate 14, the second limiting plate 14 drives the second ring 12 to rotate, according to the position relation between the scale groove 17 and the reference groove 16, the degree of rotation of the guide hole 7 can be known, then, the knob 18 is rotated, the knob 18 drives the threaded post 10 to rotate, the threaded post 10 is screwed into the first ring 3, the threaded post 10 drives the connecting block 9 to move, the connecting block 9 drives the guide post 6 to move, the guide hole 7 moves, the steps are repeated until the guide hole 7 is positioned at the required position, the first ring 3 is rotated, the guide hole 7 is driven to rotate by the transmission structure, the knob 18 is rotated, the guide hole 7 is driven by the transmission structure to move, and the guide hole 7 is rotated and moved by the guide hole 7, make guiding hole 7 can move the optional position in hollow post 1, realize the free transform of guiding hole 7 position, this device simple structure simultaneously, convenient operation, this embodiment has specifically solved the guiding hole in the intramedullary needle insertion director that exists among the prior art and has opened a plurality ofly usually, has opened when generally producing, can not adjust the position of adjustment guiding hole according to the on-the-spot needs, if the position that needs the needle insertion is located between two guiding holes, the director just has lost the problem of effect.

This practical theory of operation:

referring to the attached drawings 1-7 of the specification, when the position of the guide hole 7 needs to be adjusted, the first ring 3 is firstly rotated, the first ring 3 drives the first limiting plate 5, the first limiting plate 5 drives the guide post 6 and the scale groove 17, the guide post 6 drives the second limiting plate 14, the second limiting plate 14 drives the second ring 12 to rotate, according to the position relation between the scale groove 17 and the reference groove 16, the degree of rotation of the guide hole 7 can be known, then the knob 18 is rotated, the knob 18 drives the threaded post 10 to rotate, the threaded post 10 is screwed into the first ring 3, the threaded post 10 drives the connecting block 9 to move, the connecting block 9 drives the guide post 6 to move, the guide hole 7 moves, and the steps are repeated until the guide hole 7 is located at the required position.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a novel intramedullary needle insertion director, includes hollow post (1), its characterized in that: the top of the hollow column (1) is fixedly connected with a first limiting ring (2), the top of the hollow column (1) is provided with a first circular ring (3), the bottom of the first circular ring (3) is provided with a first limiting groove (4), the first limiting ring (2) is in sliding connection with the first limiting groove (4), the inner circumferential surface of the first circular ring (3) is fixedly connected with a first limiting plate (5), one side of the outer wall of the first limiting plate (5) is in sliding connection with a guide column (6), a guide hole (7) penetrates through the interior of the guide column (6), one side of the outer wall of the guide column (6) is fixedly connected with a first sliding block (8), the first sliding block (8) is in sliding connection with the first limiting plate (5), one side of the outer wall of the guide column (6) is fixedly connected with a connecting block (9), one end, far away from the guide column (6), of the connecting block (9) is rotatably connected with a threaded, threaded column (10) runs through first ring (3), threaded column (10) and first ring (3) threaded connection, hollow post (1) bottom fixedly connected with second spacing ring (11), hollow post (1) bottom is equipped with second ring (12), open at second ring (12) top has second spacing groove (13), first spacing ring (2) and first spacing groove (4) sliding connection, second ring (12) inner peripheral surface fixedly connected with second limiting plate (14), second limiting plate (14) and guide post (6) sliding connection, second limiting plate (14) bottom sliding connection has second slider (15), second slider (15) and guide post (6) fixed connection.

2. The new intramedullary needle insertion guide according to claim 1, characterized in that: the top end of the outer peripheral surface of the hollow column (1) is provided with a reference groove (16), and the bottom end of the outer peripheral surface of the first circular ring (3) is provided with a scale groove (17).

3. The new intramedullary needle insertion guide according to claim 1, characterized in that: threaded column (10) is kept away from connecting block (9) one end fixedly connected with knob (18), knob (18) outer peripheral face is opened there are anti-skidding line.

4. The new intramedullary needle insertion guide according to claim 1, characterized in that: the hollow column is characterized in that an anti-slip sleeve (19) is fixedly connected to the outer peripheral surface of the hollow column (1), and the anti-slip sleeve (19) is a rubber component.

5. The new intramedullary needle insertion guide according to claim 1, characterized in that: the number of the first limiting plates (5) is two, and the two first limiting plates (5) are symmetrically distributed on two sides of the guide column (6).

6. The new intramedullary needle insertion guide according to claim 1, characterized in that: the number of the second limiting plates (14) is two, and the two second limiting plates (14) are symmetrically distributed on two sides of the guide column (6).

7. The new intramedullary needle insertion guide according to claim 5, characterized in that: the quantity of first slider (8) sets up to two, two first slider (8) symmetric distribution in guide post (6) both sides, two first slider (8) respectively with two first limiting plate (5) sliding connection.

8. The new intramedullary needle insertion guide according to claim 6, characterized in that: the number of the second sliding blocks (15) is two, the two second sliding blocks (15) are symmetrically distributed on two sides of the guide post (6), and the two second sliding blocks (15) are respectively connected with the two second limiting plates (14) in a sliding mode.