CN211355842U

CN211355842U - Orthopedics is clinical with novel nail ware of getting

Info

Publication number: CN211355842U
Application number: CN201922067750.1U
Authority: CN
Inventors: 贾绍龙; 王毅; 曹云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-28
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a clinical novel nail ware of getting of orthopedics relates to and gets nail ware technical field, this clinical novel nail ware of getting of orthopedics, including getting nail ware body, get the surface of nail ware body and seted up first square groove, the inner wall in first square groove and the surface of getting nail ware body all are connected with the fixed surface of fixed block, the second square groove has been seted up at the top of fixed block, the front and the back of second square groove inner wall respectively with the both ends fixed connection of fixed axle, the surface activity of fixed axle has cup jointed the handle, the surface of handle and the inner wall swing joint in second square groove, the handle keeps away from the one end of fixed block and has seted up the spout. The utility model discloses a set up fixed block, handle, inserted bar and spring to solve present common orthopedics for clinical screw extractor when continuing to rotate after unscrewing the screw, the round trip that needs both hands to stop rotates the screw extractor in turn, just can unscrew the screw out, thereby leads to taking out comparatively inconvenient problem with the screw.

Description

Orthopedics is clinical with novel nail ware of getting

Technical Field

The utility model relates to a get nail ware technical field, specifically be a clinical novel nail ware of getting of orthopedics.

Background

In the clinical operation of orthopedics department, often adopt the mode of steel sheet plus screw to fracture or fracture the patient and fix fracture or fracture department, laminate the steel sheet in fracture or fracture position, pass through the screw fixation at fracture or fracture of patient's steel sheet, after the bone healing, need to take off steel sheet and screw from fracture or fracture department, use the screw extractor, insert one end of screw extractor in the application of force groove of the screw cap on the screw, hold the handle of screw extractor and rotate the screw extractor, unscrew the screw from fracture or fracture of patient, take off the steel sheet again and can.

In the prior art, the existing common orthopedic clinical screw extractor is T-shaped in overall shape, one end of the screw extractor is inserted into a force application groove of an upper screw ejecting cap, the handle position at the top of the screw extractor is held by two hands, the screw extractor is rotated, screws are unscrewed from the position of a fracture or a bone fracture, but in the actual use process, the screws can be unscrewed only by holding the transverse handle by the two hands simultaneously and continuously rotating back and forth alternately after being unscrewed, and therefore the screws are inconvenient to take out.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clinical novel nail ware of getting of orthopedics possesses and takes out more convenient advantage with the screw to solve present common clinical screw extractor of orthopedics when continuing to rotate after unscrewing the screw, the round trip that needs two hands to stop rotates the screw extractor in turn, just can unscrew the screw out, thereby leads to taking out comparatively inconvenient problem with the screw.

For the realization takes out more convenient purpose with the screw, the utility model provides a following technical scheme: a novel nail extractor for orthopedic clinical use comprises a nail extractor body, wherein a first square groove is formed in the surface of the nail extractor body, the inner wall of the first square groove and the surface of the nail extractor body are fixedly connected with the surface of a fixed block, a second square groove is formed in the top of the fixed block, the front surface and the back surface of the inner wall of the second square groove are fixedly connected with the two ends of the fixed shaft respectively, a handle is movably sleeved on the surface of the fixed shaft, the surface of the handle is movably connected with the inner wall of the second square groove, a sliding groove is formed in one end, away from the fixed block, of the handle, the inner wall of the sliding groove is movably connected with the surfaces of an inserted bar and a movable bar respectively, a clamping groove is formed in the surface of the fixed shaft, the inner wall of the clamping groove is movably connected with one end, away from the movable bar, of the inserted bar, a first tooth groove is formed in one end, away from the fixed shaft, the front and the back of spout inner wall respectively with the both ends fixed connection of round bar, the gear has been cup jointed in the surface activity of round bar, first tooth's socket and second tooth's socket all with gear engagement, the fixed cover in surface of inserted bar has connect the loose loop, first ring channel has been seted up to the inner wall of spout, the inner wall of first ring channel and the surface swing joint of loose loop, the one end of fixed axle and the one end fixed connection of spring are kept away from to the loose loop, one side fixed connection of fixed axle is kept away from to the other end of spring and first ring channel inner wall, the spring activity cup joints the surface at the inserted bar.

As an optimized technical scheme of the utility model, the second ring channel has been seted up on the surface of handle, the inner wall of second ring channel is the curved surface.

As a preferred technical scheme of the utility model, the quantity of movable rod is two, two the one end that the fixed axle was kept away from to the movable rod all is hemispherical.

As an optimized technical scheme of the utility model, the inner wall of draw-in groove is loudspeaker form, the shape of inserted bar and the shape looks adaptation of draw-in groove.

As an optimized technical scheme of the utility model, the central axis coincidence of the equal inserted bar of the central axis of first ring channel.

Advantageous effects

Compared with the prior art, the utility model provides an orthopedics is clinical with novel get nail ware possesses following beneficial effect:

the novel nail extractor for orthopedics clinical use is provided with the fixing block, the handles, the inserting rods and the springs, when the nail extractor is used, the bottom of the nail extractor body is inserted into a force application groove of a nut on a screw, the handles are held to rotate the nail extractor body to unscrew the screw, after the screw is unscrewed, the movable rods are pressed to separate the inserting rods from the clamping grooves, the handles are rotated upwards to respectively rotate the two handles from the horizontal state to the vertical state, the movable rods are loosened to enable the inserting rods to be inserted into the clamping grooves in the top of the fixing shaft under the action of the elastic force of the springs to clamp the handles, namely, the two handles can be rotated by one hand to hold the nail extractor body to prevent the nail extractor body from being pulled out, the screw can be taken out only by holding the transverse handle to unscrew the screw, after the screw is unscrewed, the handles are rotated to the vertical state, the screw is taken out again, and the screw is unscrewed without holding the handles back and forth alternately, reached and taken out more convenient effect with the screw to when solving present common orthopedics for clinical screw extractor continue to rotate after unscrewing the screw, need the round trip alternate rotation screw extractor that two hands were ceaselessly, just can unscrew the screw, thereby lead to taking out comparatively inconvenient problem with the screw.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the handle of the present invention;

FIG. 3 is a schematic view of the structure of the insertion rod of the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention;

FIG. 5 is a left sectional view of the round bar of the present invention;

fig. 6 is a top sectional view of the insertion rod of the present invention.

In the figure: 1. a nail extractor body; 2. a first square groove; 3. a fixed block; 4. a second square groove; 5. a fixed shaft; 6. a handle; 7. a chute; 8. inserting a rod; 9. a card slot; 10. a movable rod; 11. a first tooth slot; 12. a second tooth slot; 13. a round bar; 14. a gear; 15. a movable ring; 16. a first annular groove; 17. a spring; 18. a second annular 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a novel nail extractor for orthopedic clinical use comprises a nail extractor body 1, a first square groove 2 is formed on the surface of the nail extractor body 1, the first square groove 2 is formed on the surface of the nail extractor body 1 near the top, the inner wall of the first square groove 2 and the surface of the nail extractor body 1 are both fixedly connected with the surface of a fixed block 3, a second square groove 4 is formed on the top of the fixed block 3, the front and back of the inner wall of the second square groove 4 are respectively fixedly connected with the two ends of a fixed shaft 5, a handle 6 is movably sleeved on the surface of the fixed shaft 5, when the handle 6 is rotated to a vertical state, the surface of the handle 6 is in contact with one side of the inner wall of the second square groove 4 near the nail extractor body 1, so as to prevent the handle 6 from rotating at an excessively large angle, the surface of the handle 6 is movably connected with the inner wall of the second square groove 4, a chute 7 is formed at one end, the sliding groove 7 is a square groove, the inner wall of the sliding groove 7 is movably connected with the surfaces of the inserted link 8 and the movable link 10 respectively, the surface of the fixed shaft 5 is provided with a clamping groove 9, the same fixed shaft 5 is provided with two clamping grooves 9 which are respectively positioned at the top of the fixed shaft 5 and one side of the fixed shaft 5 close to the movable link 10, the inner wall of the clamping groove 9 is movably connected with one end of the inserted link 8 far away from the movable link 10, one end of the inserted link 8 far away from the fixed shaft 5 is provided with a first tooth socket 11, one end of the movable link 10 close to the fixed shaft 5 is provided with a second tooth socket 12, the front surface and the back surface of the inner wall of the sliding groove 7 are respectively fixedly connected with two ends of a round link 13, the surface of the round link 13 is movably sleeved with a gear 14, the first tooth socket 11 and the second tooth socket 12 are both meshed with the gear 14, the surface of the inserted link 8 is fixedly, one end of the movable ring 15, which is far away from the fixed shaft 5, is fixedly connected with one end of the spring 17, the other end of the spring 17 is fixedly connected with one side, which is far away from the fixed shaft 5, of the inner wall of the first annular groove 16, and the spring 17 is movably sleeved on the surface of the inserted rod 8.

Specifically, the surface of the handle 6 is provided with a second annular groove 18, and the inner wall of the second annular groove 18 is a curved surface to prevent slipping when the handle 6 is held.

Specifically, the number of the movable rods 10 is two, and one ends of the two movable rods 10, which are far away from the fixed shaft 5, are hemispherical, so that hands are prevented from being pressed when the movable rods 10 are pressed.

Specifically, the inner wall of the clamping groove 9 is trumpet-shaped, and the shape of the inserted rod 8 is matched with that of the clamping groove 9, so that the inserted rod 8 can be conveniently inserted into the clamping groove 9.

Specifically, the central axes of the first annular grooves 16 are coincident with the central axis of the inserted rod 8, so that the movable ring 15 is prevented from being stressed unevenly in the first annular grooves 16.

The utility model discloses a theory of operation and use flow: when the screw extractor is used, the bottom of the screw extractor body 1 is inserted into a force application groove of a nut on a screw, the handle 6 is held to rotate the screw extractor body 1 to unscrew the screw, after the screw is unscrewed, the handle 6 is held to press the movable rod 10 by using fingers, the movable rod 10 moves towards the direction of the fixed shaft 5 along the inner wall of the sliding groove 7, the second tooth groove 12 of the movable rod 10 is meshed with the gear 14 to drive the gear 14 to rotate around the circular rod 13, the first tooth groove 11 is positioned below the gear 14, the gear 14 rotates to drive the inserted rod 8 to move towards the direction far away from the fixed shaft 5 through the first tooth groove 11, the inserted rod 8 drives the movable ring 15 to move along the inner wall of the first tooth groove 16 and extrude the spring 17, the spring 17 is in a compressed state, when the movable rod 10 is contacted with the inserted rod 8, the movable rod 10 cannot be continuously pressed, the inserted rod 8 is separated from the clamping groove 9, the handle 6 can be rotated, and the, the handle 6 is rotated to a vertical state, the movable rod 10 is loosened, the movable rod 10 drives the inserted link 8 to move towards the direction of the fixed shaft 5 along the inner wall of the sliding chute 7 under the action of the elastic force of the spring 17, the inserted link 8 drives the movable rod 10 to move towards the direction far away from the fixed shaft 5 along the inner wall of the sliding chute 7 through the meshing of the gear 14 and the first tooth groove 11 and the second tooth groove 12, when the surface of the movable ring 15 is contacted with one side of the inner wall of the first annular groove 16 close to the fixed shaft 5, the inserted link 8 is inserted into the clamping groove 9 at the top of the fixed shaft 5 to clamp the handle 6, the other handle 6 is rotated to the vertical state in such a way, namely, the two handles 6 can be held by one hand to rotate the nail extractor body 1, the nail extractor body 1 is held by one hand to prevent the nail extractor body 1 from being inclined, the screw is taken out, the nail extractor body 1 is held by one hand to prevent the nail extractor, if need reuse when getting nail ware body 1, press down movable rod 10 and make inserted bar 8 and draw-in groove 9 separation, handle 6 with vertical state rotates to the horizontality, the surface of handle 6 contacts with the bottom of second square groove 4 inner wall on fixed block 3, prevent that handle 6 turned angle is too big, rotate handle 6 to the horizontality after, loosen movable rod 10, make inserted bar 8 insert in the draw-in groove 9 that corresponds this moment, it can to hold horizontal handle 6 and rotate and get nail ware body 1, it can only to need to hold horizontal handle 6 and unscrew the screw, it rotates handle 6 to vertical state to unscrew the back, it can to unscrew the screw again, need not both hands after unscrewing the screw and hold handle 6 simultaneously and make a round trip to rotate and get nail ware body 1, reached and taken out the screw more convenient effect.

To sum up, this clinical novel nail extractor of getting of orthopedics is through setting up fixed block 3, handle 6, inserted bar 8 and spring 17 to when solving the clinical screw extractor of using of present common orthopedics and continuing to rotate after unscrewing the screw, the round trip that needs two hands to stop rotates the screw extractor in turn, just can unscrew the screw, thereby leads to taking out comparatively inconvenient problem with the screw.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clinical novel nail ware of getting of orthopedics, includes and gets nail ware body (1), its characterized in that: the surface of the nail taking device body (1) is provided with a first square groove (2), the inner wall of the first square groove (2) and the surface of the nail taking device body (1) are fixedly connected with the surface of a fixed block (3), the top of the fixed block (3) is provided with a second square groove (4), the front surface and the back surface of the inner wall of the second square groove (4) are respectively fixedly connected with the two ends of the fixed shaft (5), the surface of the fixed shaft (5) is sleeved with a handle (6), the surface of the handle (6) is movably connected with the inner wall of the second square groove (4), one end of the handle (6) far away from the fixed block (3) is provided with a sliding groove (7), the inner wall of the sliding groove (7) is respectively movably connected with the surfaces of an insert rod (8) and a movable rod (10), the surface of the fixed shaft (5) is provided with a clamping groove (9), and the inner wall of the clamping groove (9) and one end of the insert rod (8) far away from the movable rod (10, the one end that fixed axle (5) was kept away from to inserted bar (8) has seted up first tooth's socket (11), the one end that movable rod (10) is close to fixed axle (5) has seted up second tooth's socket (12), the front and the back of spout (7) inner wall respectively with the both ends fixed connection of round bar (13), the surface activity of round bar (13) has cup jointed gear (14), first tooth's socket (11) and second tooth's socket (12) all mesh with gear (14), the fixed surface of inserted bar (8) has cup jointed activity ring (15), the inner wall of spout (7) has seted up first ring channel (16), the inner wall of first ring channel (16) and the surface swing joint of activity ring (15), the one end that fixed axle (5) were kept away from to activity ring (15) and the one end fixed connection of spring (17), the other end of spring (17) and one side fixed connection that fixed axle (5) were kept away from to first ring channel (16) inner wall, the spring (17) is movably sleeved on the surface of the inserted rod (8).

2. The novel clinical nail extractor for orthopedics according to claim 1, characterized in that: a second annular groove (18) is formed in the surface of the handle (6), and the inner wall of the second annular groove (18) is a curved surface.

3. The novel clinical nail extractor for orthopedics according to claim 1, characterized in that: the number of the movable rods (10) is two, and one ends, far away from the fixed shaft (5), of the movable rods (10) are hemispherical.

4. The novel clinical nail extractor for orthopedics according to claim 1, characterized in that: the inner wall of the clamping groove (9) is trumpet-shaped, and the shape of the inserted bar (8) is matched with the shape of the clamping groove (9).

5. The novel clinical nail extractor for orthopedics according to claim 1, characterized in that: the central axes of the first annular grooves (16) are coincident with the central axis of the inserted rod (8).