CN209032614U

CN209032614U - A kind of new type pressurized type bone nail extracting apparatus

Info

Publication number: CN209032614U
Application number: CN201820120546.4U
Authority: CN
Inventors: 苏少俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-24
Filing date: 2018-01-24
Publication date: 2019-06-28
Anticipated expiration: 2028-01-24

Abstract

The utility model discloses a kind of new type pressurized type bone nail extracting apparatus, including bone, the bone side is equipped with osteotomy plate, skeleton fixing nail is equipped in the osteotomy plate, the skeleton fixing nail side is equipped with skeleton fixing nail withdrawing device, and the skeleton fixing nail withdrawing device includes sole piece, and two sides are equipped with first sliding groove in the sole piece, the first sliding block is equipped in the first sliding groove, both ends are equipped with balancing device in first sliding block.The utility model passes through setting skeleton fixing nail withdrawing device, sleeve is covered in skeleton fixing nail end surface, holding handle drives the second handle mobile toward side, second handle drives shifting chute mobile toward side toward side is mobile, shifting chute is mobile toward side toward the mobile band carry-over bar in side, rack gear drives the rotation of the second turntable toward side is mobile, since one side surface of the first turntable is equipped with fourth round tooth, one side surface of the first turntable is engaged with the second turntable outer ring simultaneously, so that the rotation of the second turntable drives the rotation of the first turntable.

Description

A kind of new type pressurized type bone nail extracting apparatus

Technical field

The utility model relates to the field of medical instrument technology, in particular to a kind of new type pressurized type bone nail extracting apparatus.

Background technique

In Modern Medical Field, artificial joint replacement has already appeared and applies a very long time, joint prosthesis Displacement technique is primarily referred to as replanting after removing the lesion at human synovial position by medical instrument into artificial joint prosthesis, to reach To eliminate patient pain and improve patient quality of the life purpose, when carrying out artificial joint replacement, in order to preferably make The bone of artificial joint prosthesis and patient itself matches, and improves artificial joint prosthesis in the kinematic dexterity of patient's body, leads to It often needs to carry out osteotomy to the bone with lesion of patient, need using skeleton fixing nail during osteotomy to patient's Bone is fixed on the positioning, and also needs to extract skeleton fixing nail after completing artificial joint prosthesis implantation, existing artificial pass It saves in displacement technique, health care worker completes nail pulling operation for skeleton fixing nail usually using Orthopedic nail pulling pincers, due to medical matters Staff is applied to the amount of force that Orthopedic nail pulling clamps during nail pulling operation and direction is unstable, it is likely that It causes patients with fractures and increases the pain of injury of patient.

Therefore, it is necessary to solve the above problems to invent a kind of new type pressurized type bone nail extracting apparatus.

Utility model content

The purpose of this utility model is to provide a kind of new type pressurized type bone nail extracting apparatus, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of new type pressurized type bone nail extracting apparatus, Including bone, the bone side is equipped with osteotomy plate, is equipped with skeleton fixing nail, the skeleton fixing nail side in the osteotomy plate Equipped with skeleton fixing nail withdrawing device, the skeleton fixing nail withdrawing device includes sole piece, and two sides are equipped in the sole piece One sliding slot, the first sliding groove is interior to be equipped with the first sliding block, and both ends are equipped with balancing device in first sliding block, and described first is sliding Block top and bottom end are equipped with the first connecting block, and first connecting block side is fixedly connected with the first sliding block, the sole piece bottom Side is held to be equipped with the first handle, first handle side is equipped with the first spring, first spring one end and the first handle one Side is fixedly connected, and the first spring other end is equipped with the second handle, and the first spring other end and the second handle side are solid Fixed connection, sole piece top two sides are equipped with column, support rod are equipped between the column, and the supporting bar top is equipped with top Block, the jacking block is interior to be equipped with second sliding slot, the second sliding block is equipped in the second sliding slot, second sliding block bottom end is equipped with second Connecting block, second connecting block bottom end are equipped with shifting chute, and the shifting chute side is equipped with rack gear, described rack gear one end and movement Slot side is fixedly connected, and sleeve is equipped in the shifting chute, and the sleeve matches with skeleton fixing nail one end, the sleeve one Side is equipped with drive rod, and the drive rod surface is equipped with first gear teeth, and described drive rod one end is fixedly connected with sleeve side, described One side surface of drive rod is equipped with the first turntable, and first turntable side is equipped with casting lug thereon, first turntable side and protrusion The rotation connection of block side, the casting lug thereon side are fixedly connected with support rod side, and the first turntable inner ring is equipped with the second wheel Tooth, first gear teeth and the second gear teeth meshing, the support rod surface are equipped with the second turntable, the second turntable inner ring and branch Strut surfaces rotation connection, the second turntable outer peripheral surface are equipped with the third gear teeth, and second turntable outer ring is engaged with rack.

Preferably, the balancing device includes compensating groove, and the compensating groove side is fixedly connected with the first sliding block side, institute It states and is equipped with second spring in compensating groove, described second spring one end is fixedly connected with compensating groove inner wall side, the second spring The other end is equipped with movable block, and the second spring other end is fixedly connected with movable block side, and the movable block side is equipped with rolling Pearl, the ball surface and first sliding groove inner wall, which roll, to be connected.

Preferably, first handle top is fixedly connected with sole piece bottom end, second handle top and the first sliding block Bottom end the first connecting block side is fixedly connected.

Preferably, telescopic sleeve is equipped in first spring, described telescopic sleeve one end is fixed with the first handle side Connection, the telescopic sleeve other end are fixedly connected with the second handle side.

Preferably, the drive rod is socketed in shifting chute, and second connecting block top is fixed with the second sliding block bottom end Connection, second connecting block bottom end is fixedly connected with shifting chute top.

Preferably, one side surface of the first turntable be equipped with fourth round tooth, one side surface of the first turntable with second turn The engagement of disk outer ring.

The technical effect and advantage of the utility model: the utility model is simple and reasonable, economical and practical, easy to use, By the way that skeleton fixing nail withdrawing device is arranged, sleeve is covered in skeleton fixing nail end surface, handle is held and drives the second handle Mobile toward side, the second handle drives shifting chute mobile toward side toward side is mobile, and shifting chute is past toward the mobile band carry-over bar in side Side is mobile, and rack gear drives the rotation of the second turntable toward side is mobile, since one side surface of the first turntable is equipped with fourth round tooth, simultaneously First turntable, one side surface is engaged with the second turntable outer ring, so that the rotation of the second turntable drives the rotation of the first turntable, is driven simultaneously Bar surface is equipped with first gear teeth and the first turntable inner ring is equipped with second gear teeth, first gear teeth and the second gear teeth meshing, thus first Turntable rotation drives drive rod rotation, and drive rod rotation band moving sleeve rotates, so that sleeve drives skeleton fixing nail rotation to loosen, Shifting chute is mobile toward side while sleeve drives skeleton fixing nail rotation to loosen, so that skeleton fixing nail be rotated from bone It takes out, while by the setting of balancing device, being conducive to easily smoothly extract skeleton fixing nail from bone, to mitigate The workload of medical worker, while also mitigating the grieved situation for causing patients with fractures and increasing patient.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the side view of the utility model.

Fig. 3 is the portion the A structural schematic diagram of the utility model.

Fig. 4 is the portion the B structural schematic diagram of the utility model.

In figure: 1 bone, 2 osteotomy plates, 3 skeleton fixing nails, 4 skeleton fixing nail withdrawing devices, 5 sole pieces, 6 first sliding grooves, 7 First sliding block, 8 balancing devices, 81 compensating grooves, 82 second springs, 83 movable blocks, 84 balls, 9 first connecting blocks, 10 first are held , 11 first springs, 12 second handles, 13 columns, 14 support rods, 15 jacking blocks, 16 second sliding slots, 17 second sliding blocks, 18 second Connecting block, 19 shifting chutes, 20 rack gears, 21 sleeves, 22 drive rods, 23 first turntables, 24 second turntables, 25 first gear teeth, 26 Two gear teeth, 27 casting lug thereons, the 28 third gear teeth, 29 fourth round teeth.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of new type pressurized type bone nail extracting apparatus as shown in Figs 1-4, including bone 1, institute 1 side of bone is stated equipped with osteotomy plate 2, the osteotomy plate 2 is interior to be equipped with skeleton fixing nail 3, and 3 side of skeleton fixing nail is equipped with bone Bone fixing glue withdrawing device 4, the skeleton fixing nail withdrawing device 4 include sole piece 5, and two sides are equipped with first in the sole piece 5 Sliding slot 6 is equipped with the first sliding block 7 in the first sliding groove 6, and both ends are equipped with balancing device 8 in first sliding block 7, and described the One sliding block, 7 top and bottom end are equipped with the first connecting block 9, and 9 side of the first connecting block is fixedly connected with the first sliding block 7, institute 5 bottom end side of sole piece is stated equipped with the first handle 10,10 side of the first handle is equipped with the first spring 11, first spring 11 One end is fixedly connected with 10 side of the first handle, and 11 other end of the first spring is equipped with the second handle 12, first spring 11 other ends are fixedly connected with 12 side of the second handle, and the 5 top two sides of sole piece are equipped with column 13, between the column 13 Equipped with support rod 14,14 top of support rod is equipped with jacking block 15, and second sliding slot 16 is equipped in the jacking block 15, and described second is sliding The second sliding block 17 is equipped in slot 16,17 bottom end of the second sliding block is equipped with the second connecting block 18,18 bottom end of the second connecting block Equipped with shifting chute 19,19 side of shifting chute is equipped with rack gear 20, and described 20 one end of rack gear is fixedly connected with 19 side of shifting chute, It is equipped with sleeve 21 in the shifting chute 19, the sleeve 21 matches with 3 one end of skeleton fixing nail, and 21 side of sleeve is equipped with Drive rod 22,22 surface of drive rod are equipped with first gear teeth 25, and described 22 one end of drive rod is fixedly connected with 21 side of sleeve, 22 1 side surface of drive rod be equipped with the first turntable 23,23 side of the first turntable be equipped with casting lug thereon 27, described first turn 23 side of disk and 27 side of casting lug thereon are rotatablely connected, and 27 side of casting lug thereon is fixedly connected with 14 side of support rod, and described the One turntable, 23 inner ring is equipped with second gear teeth 26, and first gear teeth 25 are engaged with second gear teeth 26, and 14 surface of support rod is set There is the second turntable 24,24 inner ring of the second turntable is connect with 14 surface pivots of support rod, 24 outer peripheral surface of the second turntable Equipped with the third gear teeth 28,24 outer ring of the second turntable is engaged with rack gear 20.

The balancing device 8 includes compensating groove 81, and 81 side of compensating groove is fixedly connected with 7 side of the first sliding block, institute It states and is equipped with second spring 82 in compensating groove 81, described 82 one end of second spring is fixedly connected with 81 inner wall side of compensating groove, described 82 other end of second spring is equipped with movable block 83, and 82 other end of second spring is fixedly connected with 83 side of movable block, described 83 side of movable block is equipped with ball 84, and 84 surface of ball and 6 inner wall of first sliding groove, which roll, to be connected, and first handle 10 pushes up End is fixedly connected with 5 bottom end of sole piece, the fixed company in 12 top of the second handle and 7 the first connecting block of bottom end of the first sliding block, 9 side It connects, is equipped with telescopic sleeve in first spring 11, described telescopic sleeve one end is fixedly connected with 10 side of the first handle, described The telescopic sleeve other end is fixedly connected with 12 side of the second handle, and the drive rod 22 is socketed in shifting chute 19, and described second 18 top of connecting block is fixedly connected with 17 bottom end of the second sliding block, the fixed company in 18 bottom end of the second connecting block and 19 top of shifting chute It connects, 23 1 side surface of the first turntable is equipped with fourth round tooth 29, outside 23 1 side surface of the first turntable and the second turntable 24 Circle engagement.

This practical working principle: it by 21 sets of sleeve in 3 end surface of skeleton fixing nail, holds handle and drives the second handle 12 Mobile toward side, the second handle 12 drives shifting chute 19 mobile toward side toward side is mobile, and shifting chute 19 drives toward side is mobile Rack gear 20 is mobile toward side, and rack gear 20 drives the rotation of the second turntable 24 toward side is mobile, since 23 1 side surface of the first turntable is set There is fourth round tooth 29, while 23 1 side surface of the first turntable is engaged with 24 outer ring of the second turntable, so that the second turntable 24 rotates band Dynamic first turntable 23 rotation, while 22 surface of drive rod is equipped with first gear teeth 25 and 23 inner ring of the first turntable is equipped with second gear teeth 26, first gear teeth 25 are engaged with second gear teeth 26, so that the rotation of the first turntable 23 drives drive rod 22 to rotate, drive rod 22 is rotated Band moving sleeve 21 rotates, so that sleeve 21 drives the rotation of skeleton fixing nail 3 to loosen, sleeve 21 drives skeleton fixing nail rotation to loosen While shifting chute 19 it is mobile toward side, taken out so that the nail of skeletal fixation 3 be rotated from bone 1, pass through setting balancing device 8, when the first sliding block 7 slides in first sliding groove 6, ball 84 contacts first sliding groove 6, makes the first sliding block 7 in first sliding groove 6 Sliding it is more stable, prevent after being used for a long time that the first sliding block 7 and first sliding groove 6 are impaired, the use of whole device can be light Pine smoothly extracts skeleton fixing nail 3 from bone 1, alleviates the workload of medical worker, while also mitigating and causing to suffer from Person fractures and increases the grieved situation of patient.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims

1. a kind of new type pressurized type bone nail extracting apparatus, including bone (1), it is characterised in that: bone (1) side, which is equipped with, to be cut Bone plate (2), the osteotomy plate (2) is interior to be equipped with skeleton fixing nail (3), and skeleton fixing nail (3) side is equipped with skeleton fixing nail Withdrawing device (4), the skeleton fixing nail withdrawing device (4) include sole piece (5), and the interior two sides of the sole piece (5) are equipped with first Sliding slot (6), the first sliding groove (6) is interior to be equipped with the first sliding block (7), and the interior both ends of first sliding block (7) are equipped with balancing device (8), the first sliding block (7) top and bottom end are equipped with the first connecting block (9), the first connecting block (9) side and first Sliding block (7) is fixedly connected, and sole piece (5) the bottom end side is equipped with the first handle (10), and the first handle (10) side is equipped with First spring (11), described first spring (11) one end are fixedly connected with the first handle (10) side, first spring (11) The other end is equipped with the second handle (12), and the first spring (11) other end is fixedly connected with the second handle (12) side, described Sole piece (5) top two sides are equipped with column (13), are equipped with support rod (14) between the column (13), support rod (14) top End is equipped with jacking block (15), is equipped with second sliding slot (16) in the jacking block (15), and the second sliding block is equipped in the second sliding slot (16) (17), the second sliding block (17) bottom end is equipped with the second connecting block (18), and the second connecting block (18) bottom end is equipped with shifting chute (19), shifting chute (19) side is equipped with rack gear (20), and described rack gear (20) one end is fixedly connected with shifting chute (19) side, Sleeve (21) are equipped in the shifting chute (19), the sleeve (21) matches with skeleton fixing nail (3) one end, the sleeve (21) side is equipped with drive rod (22), and drive rod (22) surface is equipped with first gear teeth (25), described drive rod (22) one end It is fixedly connected with sleeve (21) side, (22) one side surface of drive rod is equipped with the first turntable (23), first turntable (23) side is equipped with casting lug thereon (27), and the first turntable (23) side and casting lug thereon (27) side are rotatablely connected, the protrusion Block (27) side is fixedly connected with support rod (14) side, and the first turntable (23) inner ring is equipped with second gear teeth (26), described First gear teeth (25) are engaged with second gear teeth (26), and support rod (14) surface is equipped with the second turntable (24), and described second turn Disk (24) inner ring is connect with support rod (14) surface pivots, and the second turntable (24) outer peripheral surface is equipped with the third gear teeth (28), It is engaged with rack gear (20) second turntable (24) outer ring.

2. a kind of new type pressurized type bone nail extracting apparatus according to claim 1, it is characterised in that: the balancing device It (8) include compensating groove (81), compensating groove (81) side is fixedly connected with the first sliding block (7) side, the compensating groove (81) Interior to be equipped with second spring (82), described second spring (82) one end is fixedly connected with compensating groove (81) inner wall side, and described second Spring (82) other end is equipped with movable block (83), and second spring (82) other end is fixedly connected with movable block (83) side, Movable block (83) side is equipped with ball (84), and ball (84) surface and first sliding groove (6) inner wall are rolled and connected.

3. a kind of new type pressurized type bone nail extracting apparatus according to claim 1, it is characterised in that: first handle (10) top is fixedly connected with sole piece (5) bottom end, the second handle (12) top and the first connecting block of the first sliding block (7) bottom end (9) side is fixedly connected.

4. a kind of new type pressurized type bone nail extracting apparatus according to claim 1, it is characterised in that: first spring (11) telescopic sleeve is equipped in, described telescopic sleeve one end is fixedly connected with the first handle (10) side, and the telescopic sleeve is another One end is fixedly connected with the second handle (12) side.

5. a kind of new type pressurized type bone nail extracting apparatus according to claim 1, it is characterised in that: the drive rod (22) It being socketed in shifting chute (19), the second connecting block (18) top is fixedly connected with the second sliding block (17) bottom end, and described second Connecting block (18) bottom end is fixedly connected with shifting chute (19) top.

6. a kind of new type pressurized type bone nail extracting apparatus according to claim 1, it is characterised in that: first turntable (23) one side surfaces are equipped with fourth round tooth (29), and (23) one side surface of the first turntable is engaged with the second turntable (24) outer ring.