CN212346699U

CN212346699U - Novel clamp holder for orthopedics

Info

Publication number: CN212346699U
Application number: CN202021719449.0U
Authority: CN
Inventors: 王庚午
Original assignee: Chuangmeide Medical Devices Tianjin Co ltd
Current assignee: Chuangmeide Medical Devices Tianjin Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-01-15
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a novel holder for orthopedics belongs to orthopedics medical instrument field, including core bar, steel ball, drawing cover, spring and knob, the one end of core bar is passed respectively in proper order and is drawn cover and spring then be connected with the knob interference, and the core bar can rotate in the inside of drawing cover and spring, the symmetrical roll-mounting has in the round hole that sets up on the core bar other end the steel ball, the spring housing is in on the core bar, then one end stretches into draw the inside of cover, the other end with the knob is close to draw the end face contact of cover one end. The utility model provides a when installing special drill bit director among the current fracture wound operation process, need manually go to twist the inconvenient difficult problem of operation, can avoid the direct hand touching special drill bit director of doctor, furthest has guaranteed the security of operation, uses simultaneously and can shorten the operation time in medical treatment operation, improves the operation quality, reduces the operation degree of difficulty of doctor's operation to patient's postoperative convalescence has been shortened indirectly.

Description

Novel clamp holder for orthopedics

Technical Field

The utility model belongs to orthopedics medical instrument field especially relates to a novel clamp holder for orthopedics.

Background

Fracture is one of the most common injuries, and as the population ages more severely, the annual incidence of fracture is also escalating. At present, when the surgical trauma operation is clinically carried out to repair and fix the fracture part, the main technique is to use a locking screw steel plate system to fix a steel plate and the fracture bone block, but when the locking screw is used, the drill guide is directly screwed by hands at present, the operation action is not only complicated, but also the wound is easily polluted, and the operation time is prolonged.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a novel holder for orthopedics, when the purpose was solved current fracture wound operation in-process and was installed special drill bit director, need manually to go to twist the inconvenient difficult problem of operation, can avoid the direct special drill bit director of touching with the hand of doctor in through this novel holder for orthopedics operation, the security of operation has been guaranteed to the at utmost, use simultaneously and can shorten the operating time in medical treatment operation, improve the operation quality, reduce the operation degree of difficulty of doctor's operation to patient's postoperative convalescence has been shortened indirectly.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this: the utility model provides a novel holder for orthopedics, includes core bar, steel ball, draws cover, spring and knob, the one end of core bar passes respectively in proper order draw cover and spring then with the knob interference is connected, just the core bar can draw the inside of cover and spring to rotate, the round hole internal symmetry that sets up on the core bar other end is rolled and is installed the steel ball, the spring housing is in on the core bar, then one end stretches into draw the inside of cover, the other end with the knob is close to draw the end face contact of cover one end.

Furthermore, the core bar comprises a stress area, a pull rod, a connector and round holes, wherein the stress area is connected with the connector through the pull rod, and the round holes are symmetrically formed in the connector.

Furthermore, first anti-rotation openings are symmetrically formed in the side wall of the pull rod, which is close to one end of the stress area, and the distance between the two first anti-rotation openings is equal to the diameter of the shaft of the stress area; the first anti-rotation opening and the round hole are arranged on the same side.

Furthermore, the round hole is a through hole structure, and the diameter of the middle section of the through hole structure is larger than the diameter of the two ends of the through hole structure.

Further, the pull sleeve comprises a connecting seat and a pull tube, a first placing hole and a second placing hole are formed in the pull tube, the first placing hole is formed in one end, close to the spring, of the pull tube, meanwhile, the hole diameter of the second placing hole is smaller than that of the first placing hole, a third placing hole is formed in the connecting seat, and the third placing hole is used for placing a connecting head arranged on the core rod; the first placing hole, the second placing hole and the third placing hole are communicated with each other and coaxially arranged.

Furthermore, a slope is arranged on one side, close to the end face of the connecting seat, of the third placing hole, and the cross section size of the slope is larger than that of the third placing hole.

Furthermore, the outer side wall of the knob is provided with a reticular knurled anti-slip structure, the outer side wall of the knob is symmetrically provided with two rotating planes, one end of the knob is inwards provided with a groove, and the other end of the knob is inwards provided with a rotating hole; and second anti-rotation openings are symmetrically formed in the inner wall, close to the end face, of the rotation hole.

Furthermore, the first anti-rotation opening and the second anti-rotation opening are matched for use.

Compared with the prior art, the novel clamp holder for orthopedics department has the following advantages:

(1) the utility model can avoid the direct touch of the special drill guide by the hands of the doctor, solves the difficult problems of inconvenient operation caused by the manual twisting during the installation of the special drill guide in the existing fracture trauma operation process, and ensures the safety of the operation to the maximum extent;

(2) the utility model has simple operation, and with the help of the utility model, the special drill guide is convenient and fast to install, and the installation problem of the drill guide is effectively solved;

(3) the utility model has simple combination, high stability and easy cleaning and disinfection;

(4) the utility model discloses use and to shorten the operation time in medical treatment operation, improve the operation quality, reduce the operation degree of difficulty of doctor's operation to patient's postoperative convalescence has been shortened indirectly.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an exploded view of the novel orthopedic holder according to the embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a core rod according to an embodiment of the present invention;

FIG. 3 is a schematic sectional view A-A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural view of a pull sleeve according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of C-C of FIG. 5;

fig. 7 is a schematic structural view of a pull sleeve knob according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of D-D of FIG. 7;

fig. 9 is a schematic view of the novel orthopedic clamp according to the embodiment of the present invention in use.

Description of reference numerals:

1. a core bar; 2. steel balls; 3. pulling the sleeve; 4. a spring; 5. a knob; 6. a stress area; 7. a pull rod; 8. a connector; 9. a circular hole; 10. a first anti-rotation opening; 11. a connecting seat; 12. pulling the tube; 13. a first placing hole; 14. a second placing hole; 15. a third placing hole; 16. a slope surface; 17. anti-skid lines; 18. a rotation plane; 19. a groove; 20. rotating the hole; 21. a second anti-rotation opening; 22. a special drill guider.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-9, the utility model relates to a novel holder for orthopedics, include core bar 1, steel ball 2, draw cover 3, spring 4 and knob 5, the one end of core bar 1 passes respectively in proper order draw cover 3 and spring 4 then with knob 5 interference is connected, just core bar 1 can draw the inside of cover 3 and spring 4 to rotate, thereby guarantees the knob 5 can drive core bar 1 is rotatory to realize quick installation special drill guide 22, the round hole 9 internal symmetry that sets up on the core bar 1 other end is rolled and is installed steel ball 2, spring 4 cover is in on the core bar 1, then one end stretches into draw the inside of cover 3, the other end with knob 5 is close to draw the terminal surface contact of cover 3 one end.

The core rod 1 comprises a stress area 6, a pull rod 7, a connector 8 and round holes 9, wherein the stress area 6 is connected with the connector 8 through the pull rod 7, and the round holes 9 are symmetrically arranged on the connector 8.

First anti-rotation openings 10 are symmetrically formed in the side wall of the pull rod 7, which is close to one end of the stress area 6, and the distance between the two first anti-rotation openings 10 is equal to the diameter of the shaft of the stress area 6; the first anti-rotation opening 10 is arranged on the same side as the round hole 9.

The round hole 9 is a through hole structure, and the diameter of the middle section of the through hole structure is larger than the diameter of the two ends of the through hole structure.

The pull sleeve 3 comprises a connecting seat 11 and a pull tube 12, a first placing hole 13 and a second placing hole 14 are arranged in the pull tube 12, the first placing hole 13 is arranged at one end, close to the spring 4, of the pull tube 12, meanwhile, the hole diameter of the second placing hole 14 is smaller than that of the first placing hole 13, a third placing hole 15 is arranged in the connecting seat 11, and the third placing hole 15 is used for placing a connecting head 8 arranged on the core rod 1; the first placing hole 13, the second placing hole 14 and the third placing hole 15 are communicated with each other and coaxially arranged, and the pull sleeve 3 is internally provided with a through hole structure and is easy to clean.

One side of the third placing hole 15 close to the end face of the connecting seat 11 is provided with a slope 16, the cross section size of the slope 16 is larger than that of the third placing hole 15, and the existence of the slope 16 enables the core rod 1 to be inserted into the knob 5 in an interference fit manner.

The outer side wall of the knob 5 is provided with a meshed knurled anti-slip structure, the outer side wall of the knob 5 is symmetrically provided with two rotating planes 18, the combination of the anti-slip structure and the rotating planes 18 can be used for rotating the knob 5 conveniently when an operator uses the knob 5, one end of the knob 5 is provided with a groove 19 inwards, the quality of the knob 5 is effectively reduced due to the existence of the groove 19, and the other end of the knob 5 is provided with a rotating hole 20 inwards and is in interference fit with the stress area 6 of the core rod 1; and second anti-rotation openings 21 are symmetrically arranged on the inner wall of the rotation hole 20 close to the end face.

The first anti-rotation opening 10 and the second anti-rotation opening 21 are matched for use, when the core rod 1 is inserted into the knob 5 in an interference fit mode, the core rod 1 and the knob 5 can be guaranteed not to rotate relatively when the knob 5 is screwed by hands through mutual matching of the core rod 1 and the knob 5.

The utility model discloses mainly be applied to among the bone surgery, be applicable to operations such as wound clinically and need install dedicated drill bit director, can accelerate operation speed clinically, improve the operation quality.

In the actual working process, when the special drill guide 22 to be clamped is inserted into the core rod 1, the pull sleeve 3 moves leftwards under the action of the elastic force of the spring 4, and the inner wall of the slope 16 of the pull sleeve 3 compresses the steel balls 2 to clamp the special drill guide 22. The special drill guide 22 can be clamped easily by using the clamp with the structure, and the special drill guide 22 can be installed by rotating the knob 5 with one hand.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel clamp holder for orthopedics is characterized in that: including core bar (1), steel ball (2), draw cover (3), spring (4) and knob (5), the one end of core bar (1) passes respectively in proper order draw cover (3) and spring (4) then with knob (5) interference is connected, just core bar (1) can draw the inside of cover (3) and spring (4) to rotate, the symmetry is rolled in round hole (9) that sets up on core bar (1) the other end and is installed steel ball (2), spring (4) cover is in on core bar (1), then one end stretches into draw the inside of cover (3), the other end with knob (5) are close to the end face contact of drawing cover (3) one end.

2. The novel orthopedic holder according to claim 1, characterized in that: the core rod (1) comprises a stress area (6), a pull rod (7), a connector (8) and a round hole (9), wherein the stress area (6) is connected with the connector (8) through the pull rod (7), and the round hole (9) is symmetrically arranged on the connector (8).

3. The novel orthopedic holder according to claim 2, characterized in that: first anti-rotation openings (10) are symmetrically formed in the side wall of one end, close to the stress area (6), of the pull rod (7), and meanwhile the distance between the two first anti-rotation openings (10) is equal to the diameter of the shaft of the stress area (6); the first anti-rotation opening (10) and the round hole (9) are arranged on the same side.

4. The novel orthopedic holder according to claim 2, characterized in that: the round hole (9) is of a through hole structure, and the diameter of the middle section of the through hole structure is larger than the diameter of the two ends of the through hole structure.

5. The novel orthopedic holder according to claim 2, characterized in that: the pull sleeve (3) comprises a connecting seat (11) and a pull tube (12), a first placing hole (13) and a second placing hole (14) are formed in the pull tube (12), the first placing hole (13) is formed in one end, close to the spring (4), of the pull tube (12), meanwhile, the hole diameter of the second placing hole (14) is smaller than that of the first placing hole (13), a third placing hole (15) is formed in the connecting seat (11), and the third placing hole (15) is used for placing a connecting head (8) arranged on the core rod (1); the first placing hole (13), the second placing hole (14) and the third placing hole (15) are communicated with each other and are coaxially arranged.

6. The novel orthopedic holder according to claim 5, characterized in that: a slope surface (16) is arranged on one side, close to the end face of the connecting seat (11), of the third placing hole (15), and the size of the cross section of the slope surface (16) is larger than that of the cross section of the third placing hole (15).

7. The novel orthopedic holder according to claim 3, characterized in that: the outer side wall of the knob (5) is provided with a reticular knurled anti-slip structure, the outer side wall of the knob (5) is symmetrically provided with two rotating planes (18), one end of the knob (5) is inwards provided with a groove (19), and the other end of the knob is inwards provided with a rotating hole (20); and second anti-rotation openings (21) are symmetrically arranged on the inner wall of the rotation hole (20) close to the end face.

8. The novel orthopedic holder according to claim 7, characterized in that: the first anti-rotation opening (10) and the second anti-rotation opening (21) are matched for use.