CN213910487U - Screwdriver for orthopedic operation - Google Patents

Abstract

The utility model discloses a screwdriver for orthopedic surgery, including flexible screwdriver, flexible screwdriver includes inside flexible pole, sets up the screwdriver pole at flexible pole both ends, the one end that the screwdriver pole was kept away from mutually is equipped with plum blossom screwdriver and flat screwdriver respectively, flexible pole cross section is established to the ellipse, flexible pole lateral surface is equipped with the detachable shell, be equipped with in the shell with flexible pole agree with mutually put the thing groove, the shell cross section is established to circularly, plum blossom screwdriver or flat screwdriver outside cover connect and are equipped with the protection casing. The utility model has the advantages that: it is multi-functional more practical.

Description

Screwdriver for orthopedic operation

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a screwdriver for orthopedic surgery.

Background

In the clinical practice at present, in the process of installing the intramedullary nail tail cap, due to the restraint of physiological anatomy, an operation channel is usually an arc-shaped or bent channel, particularly, the restraint of proximal hip muscles of thighbones is more, at present, a universal screwdriver or a screwdriver with elasticity at the middle stage is usually used when the intramedullary nail tail cap is installed, the universal screwdriver is usually restricted by the structure of a universal joint, the structure is larger, the insertion into an operation incision is inconvenient during the operation, and the screwdriver made of soft materials has poor hand feeling when the screw thread is screwed down and cannot intuitively feel whether the screw thread is firm enough.

The Chinese utility model patent No. CN201921923021.5 comprises a quick change interface, a screwdriver rod, a flexible rod, a screwdriver head and a central core rod; the middle part of the screwdriver rod is provided with a flexible rod, the center of the screwdriver rod is provided with a through hole, and a central core rod is arranged in the through hole in the center of the screwdriver rod; one end of the screwdriver rod is provided with a quick-change interface, and the other end of the screwdriver rod is provided with a screwdriver head. The quick-change interface is set as a standard AO interface of the electric tool, and the section of the AO interface is triangular. The middle part of the flexible rod is provided with a hollow core rod, and the wall of the rod is provided with a large section of spiral moire groove. The screwdriver for mounting the tail cap of the intramedullary nail is compact in structure, can realize flexible bending and can rotate in two directions, and provides convenience and reliable perception for a doctor to mount the tail cap in an operation. However, the flexible screwdriver can only be used for mounting the tail cap of the intramedullary nail, cannot be used for fixedly connecting bones such as a bone fracture plate and a bone nail, and has single function.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve the above-mentioned problem, provide a multi-functional screwdriver for orthopedic operation more practical.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a screwdriver for orthopedic operation, includes flexible screwdriver, flexible screwdriver includes inside flexible pole, sets up the screwdriver pole at flexible pole both ends, the one end that screwdriver pole kept away from mutually is equipped with plum blossom screwdriver and flat screwdriver respectively, the flexible pole cross section is established to the ellipse, the flexible pole lateral surface is equipped with the detachable shell, be equipped with in the shell with flexible pole agree with put the thing groove mutually, the shell cross section is established to circularly, plum blossom screwdriver or flat screwdriver outside cover connect and are equipped with the protection casing.

Compared with the prior art, the utility model the advantage lie in: establish flexible pole cross section into ellipse and the ellipse in the shell and put the thing groove and be connected, just can firm fixed flexible pole, do not let it rotate and buckle, then alright use as ordinary screwdriver like coaptation board and bone nail with skeleton fixed connection, if need use flexible performance, then dismantle the shell can, the one end that the screwdriver pole was kept away from mutually is equipped with plum blossom screwdriver and flat screwdriver respectively, can twist the screw rod head of changeing the difference, extensive applicability, it is more practical.

As an improvement, the shell comprises a first shell and a second shell which are oppositely arranged, one ends of the first shell and the second shell are connected through hinges, at least two buckling mechanisms are arranged between the other ends of the first shell and the second shell, the first shell and the second shell which are connected through hinges are convenient to open and close through the buckling mechanisms, and the shell is detachably connected with the flexible rod.

As an improvement, the buckling mechanism comprises a groove arranged on the side surface of the first shell close to the second shell, a through hole is arranged on the outer side surface of the first shell and communicated with the groove, a buffer block is arranged in the groove, a pressing block is arranged on the side surface of the buffer block close to the through hole and corresponding to the through hole, the pressing block extends out of the through hole, a spring is arranged in front of the groove and the side surface of the buffer block far away from the pressing block, a blind hole is arranged on the inner side surface of the groove and far away from the spring, an inserting block inserted between the buffer block and the blind hole is arranged on the side surface of the second shell close to the first shell, a limiting block inserted in the blind hole is arranged on the side surface of the inserting block close to the blind hole, when the inserting block is inserted between the groove and the buffer block, the limiting block of the inserting block enters the blind hole, the first shell and the second shell are tightly connected to achieve the purpose of fixing the flexible rod, when the shell needs to be opened, the pressing block presses the buffer block and extrudes the spring, at the moment, the gap between the buffer block and the blind hole is increased, the limiting block is separated from the blind hole, the plug block is easily pulled out, and the shell is opened at the moment.

As an improvement, the protection casing includes the cover body that plum blossom screwdriver or plain end screwdriver lateral surface cup jointed, be equipped with the sponge along week in the cover body, be equipped with the antiseptic solution in the sponge, cover body medial surface just is close to the shell and is equipped with sealed the pad.

As an improvement, one end of the pressing block, which extends out of the through hole, is semicircular, the outer surface of the pressing block is smooth and has no edges and corners, and the skin of a person cannot be damaged.

As an improvement, the diameters of the two ends of the shell are gradually reduced, and a buffer effect is achieved.

Drawings

Fig. 1 is a schematic view of the screwdriver used in orthopedic surgery.

Fig. 2 is a schematic view of the cross-section at the position a-a of the screwdriver for orthopedic surgery of the present invention.

Fig. 3 is a structural schematic diagram of the shell of the screwdriver for orthopedic surgery in an open state.

As shown in the figure: 1. a flexible screwdriver; 2. a flexible rod; 3. a screwdriver rod; 4. a plum blossom screwdriver; 5. a flat screwdriver; 6. a housing; 7. a storage groove; 8. a protective cover; 9. a first shell; 10. a second shell; 11. a fastening mechanism; 12. a groove; 13. a through hole; 14. a buffer block; 15. a pressing block; 16. a spring; 17. blind holes; 18. inserting a block; 19. a limiting block; 20. a cover body; 21. a sponge; 22. and a gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine attached figure 1, figure 2, figure 3, a screwdriver for orthopedic operation, including flexible screwdriver 1, flexible screwdriver 1 includes inside flexible rod 2, sets up the screwdriver pole 3 at 2 both ends of flexible rod, the one end that screwdriver pole 3 kept away from mutually is equipped with plum blossom screwdriver 4 and plain screwdriver 5 respectively, 2 cross sections of flexible rod are established to the ellipse, 2 lateral surfaces of flexible rod are equipped with detachable shell 6, be equipped with in the shell 6 and put thing groove 7 with the flexible rod 2 agrees with mutually, 6 cross sections of shell are established to circularly, plum blossom screwdriver 4 or 5 lateral surfaces of plain screwdriver cup joint are equipped with protection casing 8.

The shell 6 comprises a first shell 9 and a second shell 10 which are arranged oppositely, one end of the first shell 9 is connected with one end of the second shell 10 through a hinge, and at least two buckling mechanisms 11 are arranged between the other ends of the first shell 9 and the second shell 10.

Buckling device 11 includes that first 9 of shell is close to recess 12 that the side of second 10 of shell was equipped with, first 9 lateral surfaces of shell just are equipped with through-hole 13 with recess 12 UNICOM, be equipped with buffer block 14 in the recess 12, buffer block 14 is close to the side of through-hole 13 and is equipped with according to briquetting 15 with through-hole 13 position department of correspondence, according to briquetting 15 extends through-hole 13 and sets up, buffer block 14 is kept away from and is equipped with spring 16 before pressing briquetting 15's side and recess 12, recess 12 medial surface just keeps away from spring 16 and is equipped with blind hole 17, the side that second 10 of shell is close to first 9 of shell is equipped with the inserted block 18 of inserting between buffer block 14 and the blind hole 17, the side that inserted block 18 is close to blind hole 17 is equipped with stopper 19 of inserting in the blind hole 17.

The protection casing 8 includes the cover body 20 that plum blossom screwdriver 4 or 5 lateral surfaces of plain screwdriver cup jointed, cover body 20 is interior along week and is equipped with sponge 21, be equipped with the antiseptic solution in the sponge 21, cover body 20 medial surface just is close to shell 6 and is equipped with sealed pad 22.

One end of the pressing block 15 extending out of the through hole 13 is semicircular.

The diameters of the two ends of the shell 6 are gradually reduced.

The utility model discloses when the concrete implementation, set up flexible pole 2 cross section into oval and put thing groove 7 connection with the oval in the shell 6, just can firm fixed flexible pole 2, do not let it rotate and buckle in the shell 6, then can use as ordinary screwdriver like coaptation board and bone nail with skeleton fixed connection, if need use flexible performance, then dismantle the shell 6 can, the concrete action is to press pressing block 15, pressing block 15 presses buffer block 14 and extrudes spring 16, increase the space between buffer block 14 and blind hole 17 this moment, stopper 19 just breaks away from in blind hole 17, then very easy extracting inserted block 18, shell 6 has just been opened at this moment; the end, far away from the screwdriver rod 3, of the screwdriver rod is provided with the plum blossom screwdriver 4 and the flat screwdriver 5 respectively, and when the screwdriver rod is used, the plum blossom screwdriver 4 or the flat screwdriver 5 can be selected to be used according to requirements, so that the applicability is wide and the screwdriver rod is more practical; the protective cover 8 plays a role in protecting the plum blossom screwdriver 4 or the flat screwdriver 5, when the plum blossom screwdriver 4 or the flat screwdriver 5 at one end is not practical, external pollution can be avoided, and the arranged sponge absorbs disinfectant to disinfect the plum blossom screwdriver 4 or the flat screwdriver 5 at any time so as to facilitate aseptic operation.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (6)

1. The utility model provides a screwdriver for orthopedic surgery, includes flexible screwdriver, flexible screwdriver includes inside flexible rod, sets up the screwdriver pole at flexible rod both ends, its characterized in that: the one end that the screwdriver pole kept away from mutually is equipped with plum blossom screwdriver and plain end screwdriver respectively, the flexible rod cross section is established to the ellipse, the flexible rod lateral surface is equipped with the detachable shell, be equipped with in the shell with flexible rod agree with mutually put the thing groove, the shell cross section is established to circularly, plum blossom screwdriver or plain end screwdriver outside face cup joint are equipped with the protection casing.

2. The screwdriver as defined in claim 1, wherein: the shell comprises a first shell and a second shell which are oppositely arranged, one end of the first shell is connected with one end of the second shell through a hinge, and at least two buckling mechanisms are arranged between the other ends of the first shell and the second shell.

3. The screwdriver as defined in claim 2, wherein: the utility model discloses a lock mechanism, including the recess that the side that first shell is close to second shell is equipped with, first shell lateral surface just is equipped with the through-hole with recess UNICOM, be equipped with the buffer block in the recess, the buffer block is close to the side of through-hole and is equipped with according to the briquetting with the through-hole position department of corresponding, according to briquetting extension through-hole setting, the buffer block is kept away from and is equipped with the spring before according to the side of briquetting and recess, the recess medial surface just keeps away from the spring and is equipped with the blind hole, the side that second shell is close to is equipped with the inserted block that inserts between buffer block and the blind hole, the side that the inserted block is close to the blind hole is equipped with the stopper that inserts in the blind hole.

4. The screwdriver as defined in claim 1, wherein: the protection casing includes the cover body that plum blossom screwdriver or plain end screwdriver lateral surface cup jointed, be equipped with the sponge along week in the cover body, be equipped with the antiseptic solution in the sponge, cover body medial surface just is close to the shell and is equipped with sealed the pad.

5. The screwdriver as defined in claim 3, wherein: one end of the pressing block, which extends out of the through hole, is semicircular.

6. The screwdriver as defined in claim 1, wherein: the diameters of the two ends of the shell are gradually reduced.

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