CN218684644U

CN218684644U - Fixing nail for matching external fixing frame

Info

Publication number: CN218684644U
Application number: CN202222453299.9U
Authority: CN
Inventors: 陈港森; 陈燕华; 李健
Original assignee: Pluton Xiamen Biotechnology Co ltd
Current assignee: Pluton Xiamen Biotechnology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-24
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a staple is used in outer mount cooperation relates to medical instrument technical field, and for solving the great screw in end mostly of staple for the cooperation of current outer mount, the weight of installation back screw is great to the whole weight that makes outer mount is great, brings uncomfortable sense, the problem of inconvenient use to the human body. Screw main part one end is provided with the screw joint piece, connecting thread has been seted up to screw main part outer wall one end, screw joint piece keeps away from one side of screw main part and has seted up threaded connection hole, screw joint groove has been seted up to extension cap one side, an extension cap and No. two extension cap opposite sides are provided with the connecting block, the spread groove has been seted up to No. two extension caps and No. three extension cap one sides, and No. two extension caps and No. three extension cap one side are provided with the reinforcement piece along the peripheral array of spread groove, reinforcement groove has been seted up with No. two extension cap opposite side arrays.

Description

Fixing nail for matching external fixing frame

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a staple is used in external fixation frame cooperation.

Background

The external fixation of orthopedics, it is the fracture that resets and uses the external fixation support to fix both ends of fracture with apparatuses such as bone round needle, etc., the method to maintain the fastness of resetting in vitro, the external fixation support, an apparatus for fixing skeleton, need to throw into several steel needles on patient's skeleton, and then mount the purpose-made support for fixing, can be used for open fracture and lengthening the skeleton;

most of the existing fixing nails for matching the external fixing frame are screws with large ends, and the screws have large weight after being installed, so that the overall weight of the external fixing frame is large, discomfort is brought to a human body, and the external fixing frame is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a staple is used in external fixation frame cooperation to solve the current staple for external fixation frame cooperation that proposes in the above-mentioned background art and be the great screw in end mostly, the weight of installation back screw is great, thereby makes the whole weight of external fixation frame great, brings uncomfortable sense, the problem of inconvenient use for the human body.

In order to achieve the above object, the utility model provides a following technical scheme: the fixing nail for matching the external fixing frame comprises a screw main body, a first extension cap, a second extension cap, a third extension cap and an auxiliary screw, wherein a screw clamping block is arranged at one end of the screw main body, connecting threads are formed in one end of the outer wall of the screw main body, one side, away from the screw main body, of the screw clamping block is provided with a threaded connecting hole, a screw clamping groove is formed in one side of the first extension cap, a connecting block is arranged on the other side of the first extension cap and the other side of the second extension cap, a connecting groove is formed in one side of the second extension cap and one side of the third extension cap, a reinforcing block is arranged on one side of the second extension cap and one side of the third extension cap along the peripheral array of the connecting groove, reinforcing grooves are formed in the other side of the first extension cap and the second extension cap, and threaded through holes are formed in the middle portions of the first extension cap, the second extension cap and the third extension cap in a transverse penetrating mode.

Preferably, the screw clamping block and the screw main body are integrally formed, and the screw clamping groove is matched with the screw clamping block.

Preferably, the connecting block is integrated with the first extension cap and the second extension cap, and the connecting groove is matched with the connecting block.

Preferably, the reinforcing block is integrally formed with the second extension cap and the third extension cap, and the reinforcing block is matched with the reinforcing groove.

Preferably, one end of the auxiliary screw is provided with a limiting cap, the limiting cap is fixedly connected with the auxiliary screw in a welding mode, and one side, far away from the auxiliary screw, of the limiting cap is provided with a fastening groove.

Preferably, the threaded through hole is consistent with the threaded connecting hole in diameter, the threaded through hole, the threaded connecting hole and the auxiliary screw are matched, and the auxiliary screw and the screw body are opposite in threaded rotating direction.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an in, through set up screw joint piece in screw main part one end, set up connecting thread in screw main part outer wall one end, screw connection hole is seted up to one side of keeping away from screw main part in screw joint piece, screw joint groove is seted up in extension cap one side, set up the connecting block at extension cap and No. two extension cap opposite sides, set up the spread groove in extension cap and No. three extension cap one sides No. two, set up the reinforcement piece along spread groove peripheral array in extension cap one side and No. three, set up with the reinforcement groove at extension cap and No. two extension cap opposite side arrays, at extension cap No. one, no. two extension caps and No. three extension cap middle parts all transversely run through and set up the through-hole, in service, can with the screw main part that sets up and extension cap and No. two extension caps pass through screw joint piece and screw joint groove connection, then pass through the joint of spread groove and be connected with the connecting block of connecting block and reinforce after can improve the whole screw connection of extension cap and the screw joint piece, and the screw joint effect of screw, the whole screw joint can be improved the back screw joint, the whole screw fixation screw joint effect of screw that can be good with extension cap, the whole screw joint, the back screw joint effect of screw is reduced.

Drawings

FIG. 1 is an exploded view of the cross-sectional structure of the present invention;

FIG. 2 is an exploded perspective view of the present invention;

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

In the figure: 1. a screw body; 2. a screw clamping block; 3. an extension cap; 4. a second extension cap; 5. a third extension cap; 6. connecting a threaded hole; 7. the screw is clamped in the groove; 8. a reinforcing block; 9. a reinforcing groove; 10. connecting blocks; 11. connecting grooves; 12. a threaded through hole; 13. an auxiliary screw; 14. a limiting cap; 15. and (5) fastening the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a fixing nail for matching an external fixing frame comprises a screw main body 1, a first extension cap 3, a second extension cap 4, a third extension cap 5 and an auxiliary screw 13, wherein one end of the screw main body 1 is provided with a screw clamping block 2, one end of the outer wall of the screw main body 1 is provided with a connecting screw thread, one side of the screw clamping block 2, which is far away from the screw main body 1, is provided with a threaded connecting hole 6, one side of the first extension cap 3 is provided with a screw clamping groove 7, the other side of the first extension cap 3 and the second extension cap 4 is provided with a connecting block 10, one sides of the second extension cap 4 and the third extension cap 5 are provided with a connecting groove 11, one sides of the second extension cap 4 and the third extension cap 5 are provided with reinforcing blocks 8 along the peripheral array of the connecting groove 11, the other side of the first extension cap 3 and the second extension cap 4 is provided with a reinforcing groove 9, and the middle parts of the first extension cap 3, the second extension cap 4 and the third extension cap 5 are provided with threaded through holes 12 in a transverse direction, the screw clamping block 2 and the screw main body 1 are integrally formed, the screw clamping groove 7 is matched with the screw clamping block 2, the connecting block 10 is integrally formed with a first extension cap 3 and a second extension cap 4, the connecting groove 11 is matched with the connecting block 10, the reinforcing block 8 is integrally formed with a second extension cap 4 and a third extension cap 5, the reinforcing block 8 is matched with the reinforcing groove 9, the screw main body 1 is used as a main connecting structure of the fixing nail and plays a main connecting role, when the fixing nail is installed, the arranged screw main body 1 and the first extension cap 3 as well as the arranged screw main body 4 and the arranged second extension cap 4 and the arranged third extension cap 5 are connected with the screw clamping groove 7 through the screw clamping block 2, then the first extension cap 3 and the second extension cap 4 are connected with the connecting block 10 through the connecting groove 11, and the reinforcing block 8 and the reinforcing groove 9 are mutually clamped, at last, the auxiliary screw 13 is screwed into the threaded through hole 12 and the threaded connecting hole 6, the lengthened screw main body 1 can be used for fixing an external fixing frame after being assembled, the screw main body 1 is convenient to screw, the fixing effect is prevented from being influenced by difficult clamping in the fixing process, after the fixing is finished, the first extension cap 3, the second extension cap 4, the third extension cap 5 and the auxiliary screw 13 can be reversely operated, the overall weight of the fixing screw is reduced, the overall weight of the external fixing frame is reduced, and the comfort level is improved.

Further, auxiliary screw 13 one end is provided with stop cap 14, and stop cap 14 and auxiliary screw 13 welded fastening are connected, fastening groove 15 has been seted up to one side that stop cap 14 kept away from auxiliary screw 13, threaded through hole 12 is unanimous with threaded through hole 6 diameter, threaded through hole 12, threaded through hole 6 and auxiliary screw 13 phase-match, auxiliary screw 13 is opposite with screw main body 1 screw thread direction of rotation, stop cap 14 and fastening groove 15 that set up can conveniently be connected auxiliary screw 13 with extension cap 3 No. one, extension cap 4 No. two and extension cap 5 No. three and screw joint piece 2.

The working principle is as follows: during the use, should be connected screw main part 1 and extension cap 3 and extension cap 4 and No. three extension cap 5 that set up through screw joint piece 2 and screw joint groove 7, then be connected extension cap 3 and No. two extension cap 4 through the joint of spread groove 11 with connecting block 10 with the card with being connected, and guarantee to add the mutual card of piece 8 and reinforcement groove 9 and, at last screw 13 in screwed into screw through hole 12 and threaded connection hole 6, can be used for fixing the external fixation frame with the screw main part 1 after the equipment, conveniently screw main part 1, avoid influencing fixed effect because of difficult centre gripping in the fixing process, after the fixing, can reverse operation pull down extension cap 3, extension cap 4 and No. three extension cap 5 and auxiliary screw 13, reduce the whole weight of this staple, reduce the whole weight of external fixation frame, improve the comfort level.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a staple is used in external fixation frame cooperation, includes screw main part (1), extension cap (3), extension cap (4), extension cap (5) and supplementary screw (13) No. three, its characterized in that: screw main part (1) one end is provided with screw joint piece (2), connecting thread has been seted up to screw main part (1) outer wall one end, screw joint piece (2) are kept away from one side of screw main part (1) and are seted up threaded connection hole (6), screw joint groove (7) have been seted up to extension cap (3) one side, extension cap (3) and No. two extension cap (4) opposite sides are provided with connecting block (10), no. two extension cap (4) and No. three extension cap (5) one side have been seted up spread groove (11), no. two extension cap (4) and No. three extension cap (5) one side are provided with reinforcement piece (8) along spread groove (11) periphery, no. one extension cap (3) and No. two extension cap (4) opposite side array have been seted up and have been consolidated groove (9), an extension cap (3), no. two extension cap (4) and No. three extension cap (5) middle part all transversely run through and have been seted up threaded through screw through hole (12).

2. The fixing nail for matching with an external fixing frame according to claim 1, wherein: the screw clamping block (2) and the screw main body (1) are integrally formed, and the screw clamping groove (7) is matched with the screw clamping block (2).

3. The fixing nail for matching with an external fixing frame according to claim 1, wherein: connecting block (10) and extension cap (3) and No. two extension caps (4) integrated into one piece, spread groove (11) and connecting block (10) phase-match.

4. The fixing nail for matching with an external fixing frame as claimed in claim 1, wherein: the reinforcing block (8) is integrally formed with the second extension cap (4) and the third extension cap (5), and the reinforcing block (8) is matched with the reinforcing groove (9).

5. The fixing nail for matching with an external fixing frame according to claim 1, wherein: auxiliary screw (13) one end is provided with stop cap (14), and stop cap (14) and auxiliary screw (13) welded fastening are connected, fastening groove (15) have been seted up to one side that auxiliary screw (13) was kept away from in stop cap (14).

6. The fixing nail for matching with an external fixing frame as claimed in claim 1, wherein: the diameter of the threaded through hole (12) is consistent with that of the threaded connecting hole (6), the threaded through hole (12), the threaded connecting hole (6) and the auxiliary screw (13) are matched, and the auxiliary screw (13) is opposite to the thread rotating direction of the screw main body (1).