CN203291015U

CN203291015U - Bone nail with replaceable nail cap

Info

Publication number: CN203291015U
Application number: CN2013203225328U
Authority: CN
Inventors: 奚赛明
Original assignee: CHANGZHOU HELI PRECISION CASTING Co Ltd
Current assignee: CHANGZHOU HELI PRECISION CASTING Co Ltd
Priority date: 2013-06-06
Filing date: 2013-06-06
Publication date: 2013-11-20
Anticipated expiration: 2023-06-06

Abstract

The utility model relates to a medical instrument, in particular to a bone nail with a replaceable nail cap. The bone nail comprises the nail cap, a nail body and a nail groove which is formed in the upper surface of the nail cap. The nail body is fixed on the lower surface of the nail cap which is fixedly connected with a standby nail cap. A spring clamping block is arranged at the side end of the nail cap. A clamping groove is formed in the side end of the standby nail cap. The nail cap is fixedly connected with the standby nail cap by the fact that the spring clamping block is clamped into the clamping groove. When the bone nail is used, under the situation that the bone nail cap is damaged, the nail cap is added for nail taking, therapy time cannot be delayed, and accordingly medical staff can take out the bone nail conveniently and quickly.

Description

The interchangeable nail of a kind of head of a nail

Technical field

This utility model relates to a kind of medical instruments, the interchangeable nail of especially a kind of head of a nail.

Background technology

The clinical nail that uses mainly is comprised of the head of a nail and rivet nut at present, be provided with the nail groove in the middle of the head of a nail, so that installation and removal nail, but existing nail groove is all superficial, and screwdriver is easy to skid off or damage the nail groove from following closely in groove, and if the nail groove damaged, just can't use the screwdriver nail of back-outing, make nail take out the difficulty that becomes, and extended take-off time, be unfavorable for the health of sufferer.

The utility model content

Hold flimsy deficiency in order to overcome existing nail nail groove, this utility model provides a kind of head of a nail interchangeable nail.

The technical scheme that its technical problem that solves this utility model adopts is: the interchangeable nail of a kind of head of a nail, comprise the head of a nail, rivet nut and nail groove, and head of a nail upper surface is provided with the nail groove, and rivet nut is fixed on head of a nail lower surface, and the head of a nail is fixedly connected with the standby head of a nail.

According to another embodiment of the present utility model, comprise that further head of a nail side is provided with the spring fixture block, standby head of a nail side is provided with draw-in groove, and the head of a nail snaps in draw-in groove by the spring fixture block and realizes and being fixedly connected with of the standby head of a nail.

The beneficial effects of the utility model are, use this nail, can not delay treatment time in the situation that the nail head of a nail damages and adds the head of a nail and get nail, make the medical worker can conveniently take out nail.

Description of drawings

Below in conjunction with drawings and Examples, this utility model is further illustrated.

Fig. 1 is structural representation of the present utility model;

1. heads of a nail in figure, 2. rivet nut, 3. nail groove, the 4. standby head of a nail, 5. spring fixture block, 6. draw-in groove.

The specific embodiment

Structural representation of the present utility model as Fig. 1, the interchangeable nail of a kind of head of a nail, comprise the head of a nail 1, rivet nut 2 and nail groove 3, the head of a nail 1 upper surface is provided with nail groove 3, rivet nut 2 is fixed on the head of a nail 2 lower surfaces, and the head of a nail 1 is fixedly connected with the standby head of a nail 4, and the head of a nail 1 side is provided with spring fixture block 5, the standby head of a nail 4 sides are provided with draw-in groove 6, and the head of a nail 1 snaps in draw-in groove 6 by spring fixture block 5 and realizes and being fixedly connected with of the standby head of a nail 4.

while using under normal circumstances, only need to aim at nail groove 3 on the head of a nail 1 to instrument, down be screwed into and get final product, but when because follow closely groove 3, crossing shallow or damaged, causing can't be when nail be followed closely in affected part, just only need to overlap the groove of the standby head of a nail 4 on the head of a nail 1, then the spring fixture block 5 on the head of a nail 1 can spring in draw-in groove 6 automatically, realize fixing, and the nail groove 3 on the standby head of a nail 4 can be designed to yi word pattern or cross as required, use this nail, can get nail in the situation that the damage of the nail head of a nail adds the head of a nail, treatment time can not delayed, make the medical worker can conveniently take out nail.

Claims

1. interchangeable nail of the head of a nail, comprise the head of a nail (1), rivet nut (2) and nail groove (3), the head of a nail (1) upper surface is provided with nail groove (3), and rivet nut (2) is fixed on the head of a nail (2) lower surface, it is characterized in that, the head of a nail (1) is fixedly connected with the standby head of a nail (4).

2. the interchangeable nail of a kind of head of a nail according to claim 1, it is characterized in that, the head of a nail (1) side is provided with spring fixture block (5), the standby head of a nail (4) side is provided with draw-in groove (6), and the head of a nail (1) snaps in draw-in groove (6) by spring fixture block (5) and realizes and being fixedly connected with of the standby head of a nail (4).