Novel clamp holder for orthopedics
阅读说明：本技术 一种新型骨科用夹持器 (Novel clamp holder for orthopedics ) 是由 王庚午 于 2020-08-18 设计创作，主要内容包括：本发明提供了一种新型骨科用夹持器,属于骨科医疗器械领域,包括芯杆、钢珠、拉套、弹簧和旋钮,芯杆的一端依次分别穿过拉套和弹簧然后与旋钮过盈连接,且芯杆能够在拉套和弹簧的内部进行旋转,所述芯杆另一端上设置的圆孔内对称滚动安装有所述钢珠,所述弹簧套在所述芯杆上,然后一端伸进所述拉套的内部,另一端与所述旋钮靠近所述拉套一端的端面接触。本发明解决了现有骨折创伤手术过程中安装专用钻头导向器时,需要手动去拧操作不便的难题,能够避免医生直接用手触碰专用钻头导向器,最大程度保证了手术的安全性,同时应用在医疗手术中可以缩短手术时间,提高手术质量,降低医生手术的操作难度,从而间接缩短了患者的术后恢复期。(The invention provides a novel clamp holder for orthopedics department, which belongs to the field of orthopedic medical instruments and comprises a core bar, steel balls, a pull sleeve, a spring and a knob, wherein one end of the core bar sequentially penetrates through the pull sleeve and the spring respectively and then is in interference connection with the knob, the core bar can rotate inside the pull sleeve and the spring, the steel balls are symmetrically and rollably arranged in a round hole formed in the other end of the core bar, the spring is sleeved on the core bar, then one end of the spring extends into the pull sleeve, and the other end of the spring is in contact with the end face of the knob, which is close to one end of the pull sleeve. The invention solves the problem that the operation is inconvenient because a special drill guide needs to be manually unscrewed when the special drill guide is installed in the existing fracture trauma operation process, can avoid a doctor from directly touching the special drill guide by hands, ensures the safety of the operation to the maximum extent, and can shorten the operation time, improve the operation quality and reduce the operation difficulty of the doctor when being applied to the medical operation, thereby indirectly shortening the postoperative recovery period of the patient.)
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.
Technical Field
The invention belongs to the field of orthopedic medical instruments, and particularly 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.
Disclosure of Invention
In view of the above, the invention aims to provide a novel clamp holder for orthopedics department, which aims to solve the problem that manual twisting is inconvenient to operate when a special drill guide is installed in the existing fracture trauma surgery process.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: 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 for orthopedics department has the following advantages:
(1) the special drill guide device can avoid a doctor from directly touching the special drill guide device by hands, solves the problem that the operation is inconvenient because the special drill guide device needs to be manually screwed when being installed in the existing fracture trauma operation process, and ensures the safety of the operation to the maximum extent;
(2) the special drill guide is simple to operate, convenient and quick to install, and the installation problem of the drill guide is effectively solved;
(3) the invention has simple combination, high stability and easy cleaning and disinfection;
(4) the invention can shorten the operation time, improve the operation quality and reduce the operation difficulty of the doctor operation when being applied to the medical operation, thereby indirectly shortening the postoperative recovery period of the patient.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. 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 diagram 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 diagram 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 holder 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 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 those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 embodiments with reference to the attached drawings.
As shown in fig. 1-9, the invention relates to a novel clamp for orthopedics department, which comprises a core bar 1, steel balls 2, a
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
One side of the third placing hole 15 close to the end face of the connecting
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 invention is mainly applied to orthopedic surgery, is clinically suitable for surgeries such as trauma and the like, and needs to be provided with a special drill guide, can clinically accelerate the surgery speed and improve the surgery quality.
In the actual working process, when the special drill guide 22 to be clamped is inserted into the core rod 1, the
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
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