CN210990681U

CN210990681U - Orthopedics nail taking device

Info

Publication number: CN210990681U
Application number: CN201921727509.0U
Authority: CN
Inventors: 张伟; 陆林; 叶欣; 刘畅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-14
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses an orthopedics nail device of getting, which comprises a fixed base, the middle part threaded connection of fixing base has the regulation post, the middle part threaded connection who adjusts the post has the regulation pole, the middle part of adjusting the pole slides and has cup jointed the locating lever, the bottom of fixing base is connected with the cutting sleeve through the bearing, the inboard fixed connection of wire rope and clamping jaw is passed through to the tip of adjusting the pole. The device passes through the backup pad, the second spring, the mating reaction of mounting plate and gyro wheel, through the bradyseism subassembly, be convenient for carry out the bradyseism to cutting telescopic upper and lower revolving force, thereby effectively improved cutting sleeve function and made stability, effectively avoided because the cutting sleeve shakes too big and bad consequence and the influence that leads to, through adjusting the post, it drives clamping jaw locking staple cap to adjust the pole to make wire rope, insert the locating lever and support staple cap head, the fixed post of inserting of rethread, the fixing base can with the mating reaction of adjusting the post takes out the nail, the flexible operation is convenient.

Description

Orthopedics nail taking device

Technical Field

The utility model belongs to the technical field of get the nail device, concretely relates to orthopedics gets nail device.

Background

In medical clinics, fracture is one of common diseases of bone trauma. In the process of taking down the bone fracture plate after the internal fixation operation, the screw needs to be detached, the existing screw taking device is mostly screwed out directly by tools such as a screwdriver, the time and cost are consumed in the screw taking process, and the screw and the bone plate are clamped because the screw can slightly move in the bone growth process, so that the screw is easily broken in the screw screwing process, the wound and the operation time are increased, even the screw is discarded, and the screw is left in the bone for the whole life, and a great deal of inconvenience is brought to a patient.

For this reason, publication No. CN206543205U discloses an orthopedics nail device of getting, including the mainboard, mainboard bottom side fixedly connected with go-between and driving motor, driving motor is located go-between one side, the go-between outside is equipped with the spout, be equipped with the sliding ring in the spout, one side fixedly connected with cutting sleeve that the go-between was kept away from to the sliding ring, the driving motor drive end is connected with the pivot, driving motor's one end fixed the cup joint has the driving gear in the pivot, the fixed driven gear who cup joints with driving gear meshing in the cutting sleeve outside, be equipped with the screw hole on the mainboard, screw hole female connection has a cooperation section of thick.

The following disadvantages still remain: rotate the dead steel sheet of cutting card through the cutting sleeve, very easily produce great vibrations in the long use cutting sleeve, job stabilization nature is poor, appears the error easily, causes the accidental injury to influence the operation quality, come harmful effects to patient, and use hydraulic drive device to drive the motion of locking claw, the cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedics nail device of getting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an orthopedic nail-taking device comprises a fixed seat, the middle part of the fixed seat is connected with an adjusting column by screw thread, the middle part of the adjusting column is in threaded connection with an adjusting rod, the middle part of the adjusting rod is in sliding sleeve connection with a positioning rod, the bottom of the fixed seat is connected with a cutting sleeve through a bearing, the outer wall of the upper part of the cutting sleeve is fixedly connected with a driven gear, the driven gear is engaged with the driving gear, the driving gear is fixedly connected with the output end of the motor, the outer wall of the cutting sleeve is fixedly connected with a fastening plate, the inner wall of the fastening plate is connected with the cutting sleeve in a sliding way through a roller, the lower part of the cutting sleeve is fixedly connected with a cushioning component, the end part of the adjusting column is hinged with a clamping jaw, the clamping jaw is fixedly connected with the side wall of the end part of the adjusting column through a first spring, and the end part of the adjusting rod is fixedly connected with the inner side of the clamping jaw through a steel wire rope.

Preferably, the middle part of the fixed seat is provided with a first thread groove which is in matched connection with the adjusting column, and the middle part of the adjusting column is provided with a second thread groove which is in matched connection with the adjusting rod.

This setting has effectively improved fixing base, regulation post and has adjusted the connection structure's between the pole steadiness, makes its altitude mixture control remove conveniently to be convenient for drive clamping jaw and grab the screw and take out.

Preferably, one side of the fastening plate is fixedly connected with a supporting plate through a second spring, the supporting plate is fixedly connected to the bottom of the fixing seat in an annular array mode, the other side of the fastening plate is provided with a fixing groove, a roller is fixedly connected to the fixing groove, and a roller groove which is connected with the end portion of the roller in a matched mode is formed in the wall of the cutting sleeve.

This setting has effectively improved connection structure's between cutting sleeve and the mounting plate stability, and labour saving and time saving steadiness is high during the rotation to elastic action through the second spring makes the cutting sleeve be hugged closely to the mounting plate, thereby has certain cushioning effect to the revolving force on cutting sleeve upper portion, has effectively reduced the emergence of cutting sleeve during operation vibrations phenomenon.

Preferably, the bottom of adjusting the pole is connected with the fixed block through the bearing, the bottom of fixed block is connected in wire rope's one end, wire rope's the other end is fixed on the clamping jaw, the bottom fixedly connected with leading wheel of regulation post, wire rope cover is established on the leading wheel.

When the rotating adjusting rod moves upwards, the steel wire rope is convenient to drive to collect upwards, the clamping jaw is pulled by the steel wire rope, the fixing nail cap is clamped tightly, the stability of the steel wire rope connecting structure is effectively improved through the guide wheel, and the steel wire rope connecting structure is convenient and flexible to operate and use.

Preferably, the end part of the positioning rod is fixedly connected with a limiting supporting rod through a bolt, and the lower part of the limiting supporting rod is fixedly connected with the upper end of the adjusting column through a fixed inserting column in an inserting manner.

This lower extreme that sets up the locating lever inserts the below that runs through to the fixed block, until the butt to the head of a nail on, is convenient for carry out spacing support to solid to the head of a nail to fix between spacing branch and the regulation post through fixed inserted column, thereby realize the fixed of locating lever removal adjusting position, when holding the regulation post and pull up rotatory, the locating lever with adjust the pole along with adjusting post synchronous motion, be convenient for drive clamping jaw and locating lever and get the nail.

Preferably, the bradyseism subassembly includes the rubber pad, equal fixedly connected with elasticity steel wire net layer on the interior outer wall of rubber pad, the inside fixedly connected with reinforcement steel spring of rubber pad, reinforcement steel spring is the even inside at the rubber pad of distribution of annular array.

This setting has effectively strengthened the elastic force and the structural strength of bradyseism subassembly for the rotatory effort of lower part to the cutting sleeve cushions, thereby has further improved the bradyseism antidetonation effect efficiency to the cutting sleeve.

Compared with the prior art, the utility model discloses a technological effect and advantage: the orthopaedics nail taking device moves the fixed seat to a proper position, after a knife edge is formed on the steel plate connection of a patient, the fixed seat is moved downwards, the starting motor drives the cutting sleeve to rotate, the steel plate of the clamped part of the nail is cut, the fracture phenomenon that the nail and the nail are taken out by directly using a screwdriver is avoided, meanwhile, the rotating force at the upper part of the cutting sleeve is convenient to damp through the matching action of the supporting plate, the second spring, the fastening plate and the roller, and the rotating force at the lower part of the cutting sleeve is convenient to damp through the matching action of the rubber pad, the reinforcing steel spring and the elastic steel wire mesh layer, so that the operation stability of the cutting sleeve is effectively improved, and adverse consequences and influence caused by overlarge vibration of the cutting sleeve are effectively avoided; after cutting, one hand holds the adjusting column, the other hand rotates the adjusting rod to move upwards, the steel wire rope drives the clamping jaw to lock the fixing nail cap, the positioning rod is inserted to abut against the head of the fixing nail cap, the fixing inserting column is inserted into the corresponding position, then the fixing base is held by the other hand, the adjusting column and the fixing inserting column are held by the other hand, the adjusting column is rotated to move upwards, and nails are taken out.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the end of the adjusting post of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic structural view of the shock absorption assembly of the present invention.

In the figure: 1. a fixed seat; 101. a first thread groove; 2. an adjustment column; 201. a second thread groove; 3. adjusting a rod; 301. a fixed block; 302. a wire rope; 303. a guide wheel; 304. a first spring; 305. a clamping jaw; 4. cutting the sleeve; 401. a driven gear; 402. a driving gear; 403. a motor; 5. a support plate; 501. a second spring; 502. a fastening plate; 503. fixing grooves; 504. a roller; 505. a wheel groove; 6. a cushioning component; 601. a rubber pad; 602. reinforcing the steel spring; 603. an elastic steel wire mesh layer; 7. positioning a rod; 701. a limit strut; 702. and fixing the inserted column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

As shown in fig. 1-4, an orthopedic nail-removing device comprises a fixed base 1, wherein the middle part of the fixed base 1 is in threaded connection with an adjusting column 2, the middle part of the adjusting column 2 is in threaded connection with an adjusting rod 3, the middle part of the adjusting rod 3 is slidably sleeved with a positioning rod 7, the bottom of the fixed base 1 is connected with a cutting sleeve 4 through a bearing, the outer wall of the upper part of the cutting sleeve 4 is fixedly connected with a driven gear 401, the driven gear 401 is meshed with a driving gear 402, the driving gear 402 is fixedly connected with the output end of a motor 403, the outer wall of the cutting sleeve 4 is fixedly connected with a fastening plate 502, the inner wall of the fastening plate 502 is slidably connected with the cutting sleeve 4 through a roller 504, the lower part of the cutting sleeve 4 is fixedly connected with a cushioning assembly 6, the end part of the adjusting column 2 is hinged with a clamping jaw 305, and the clamping jaw 305, the end of the adjusting rod 3 is fixedly connected with the inner side of the clamping jaw 305 through a steel wire rope 302.

The middle part of the fixed seat 1 is provided with a first thread groove 101 which is matched and connected with the adjusting column 2, and the middle part of the adjusting column 2 is provided with a second thread groove 201 which is matched and connected with the adjusting rod 3; effectively improved fixing base 1, regulation post 2 and adjusted the steadiness of connection structure between the pole 3, made its altitude mixture control remove conveniently to be convenient for drive clamping jaw 305 grasps the screw and takes out.

One side of the fastening plate 502 is fixedly connected with a support plate 5 through a second spring 501, the support plates 5 are uniformly and fixedly connected to the bottom of the fixed seat 1 in an annular array, the other side of the fastening plate 502 is provided with a fixed groove 503, the fixed groove 503 is fixedly connected with a roller 504, and the wall of the cutting sleeve 4 is provided with a wheel groove 505 which is matched and connected with the end of the roller 504; effectively improved connection structure's between cutting sleeve 4 and the mounting plate 502 stability, labour saving and time saving steadiness is high during the rotation to through second spring 501's elastic action, make mounting plate 502 hug closely cutting sleeve 4, thereby have certain cushioning effect to the revolving force on cutting sleeve 4 upper portion, effectively reduced the emergence of cutting sleeve 4 during operation vibrations phenomenon.

The bottom of the adjusting rod 3 is connected with a fixed block 301 through a bearing, the bottom of the fixed block 301 is connected to one end of a steel wire rope 302, the other end of the steel wire rope 302 is fixed on a clamping jaw 305, the bottom of the adjusting column 2 is fixedly connected with a guide wheel 303, and the steel wire rope 302 is sleeved on the guide wheel 303; when the rotating adjusting rod 3 moves upwards, the steel wire rope 302 is conveniently driven to be upwards collected, the clamping jaw 305 is pulled by the steel wire rope and the fixing nail cap is clamped, the stability of the steel wire rope 302 connecting structure is effectively improved through the guide wheel 303, and the operation and the use are convenient and flexible.

The end part of the positioning rod 7 is fixedly connected with a limiting support rod 701 through a bolt, and the lower part of the limiting support rod 701 is fixedly inserted into the upper end of the adjusting column 2 through a fixed inserting column 702; the lower extreme of locating lever 7 inserts the below that runs through to fixed block 301, until the butt to the head of a nail on, be convenient for carry on spacing to solid to the head of a nail to fix between spacing branch 701 and the regulation post 2 through fixed post 702 of inserting, thereby realize the fixed of 7 removal adjusting positions of locating lever, when holding regulation post 2 and upwards carrying and drawing rotatory, locating lever 7 and regulation pole 3 are along with adjusting 2 synchronous motion of post, are convenient for drive clamping jaw 305 and locating lever 7 and get the nail.

The cushioning component 6 comprises a rubber pad 601, the inner wall and the outer wall of the rubber pad 601 are fixedly connected with an elastic steel wire mesh layer 603, the interior of the rubber pad 601 is fixedly connected with reinforced steel springs 602, and the reinforced steel springs 602 are uniformly distributed in the interior of the rubber pad 601 in an annular array; the elastic acting force and the structural strength of the shock absorption assembly 6 are effectively enhanced, so that the lower rotating acting force of the cutting sleeve 4 is buffered, and the shock absorption and anti-seismic effect efficiency of the cutting sleeve 4 is further improved.

Specifically, when the nail cutter is used, the fixing seat 1 is moved to a proper position, after a knife edge is formed by connecting a steel plate of a patient, the fixing seat 1 is moved downwards, the starting motor 403 drives the cutting sleeve 4 to rotate, the steel plate of the clamped part of a nail is cut, the phenomenon that the nail and the nail are broken when the nail and the nail are taken out by directly using a screwdriver is avoided, meanwhile, the rotating force of the upper part of the cutting sleeve 4 is convenient to damp through the matching action of the supporting plate 5, the second spring 501, the fastening plate 502 and the roller 504, and the rotating force of the lower part of the cutting sleeve 4 is convenient to damp through the matching action of the rubber pad 601, the reinforcing steel spring 602 and the elastic steel wire mesh layer 603, so that the operation stability of the cutting sleeve 4 is effectively improved, and adverse consequences and influences caused by overlarge vibration of the cutting sleeve; after cutting, one hand holds the adjusting column 2, the other hand rotates the adjusting rod 3 to move upwards, namely, the steel wire rope 302 drives the clamping jaw 305 to lock the fixing nail cap, the positioning rod 7 is inserted to abut against the head of the fixing nail cap, the fixing inserting column 702 is inserted into the corresponding position, then the other hand holds the fixing seat 1, the other hand holds the adjusting column 2 and the fixing inserting column 702, and the adjusting column 2 is rotated to move upwards to take out the nail, so that the operation is flexible and convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an orthopedics nail device of getting, includes fixing base (1), its characterized in that: the middle part of the fixing seat (1) is in threaded connection with an adjusting column (2), the middle part of the adjusting column (2) is in threaded connection with an adjusting rod (3), the middle part of the adjusting rod (3) is in sliding sleeve connection with a positioning rod (7), the bottom of the fixing seat (1) is connected with a cutting sleeve (4) through a bearing, the upper outer wall of the cutting sleeve (4) is fixedly connected with a driven gear (401), the driven gear (401) is meshed with a driving gear (402) to be connected, the driving gear (402) is fixedly connected with the output end of a motor (403), the outer wall of the cutting sleeve (4) is fixedly connected with a fastening plate (502), the inner wall of the fastening plate (502) is in sliding connection with the cutting sleeve (4) through a roller (504), the lower part of the cutting sleeve (4) is fixedly connected with a shock absorption component (6), and the end part of the adjusting, the clamping jaw (305) is fixedly connected with the side wall of the end part of the adjusting column (2) through a first spring (304), and the end part of the adjusting rod (3) is fixedly connected with the inner side of the clamping jaw (305) through a steel wire rope (302).

2. An orthopedic nail extraction device as claimed in claim 1, wherein: the middle part of fixing base (1) is equipped with first thread groove (101) with adjusting post (2) looks accordant connection, the middle part of adjusting post (2) is equipped with and adjusts second thread groove (201) of pole (3) looks accordant connection.

3. An orthopedic nail extraction device as claimed in claim 1, wherein: one side of the fastening plate (502) is fixedly connected with a supporting plate (5) through a second spring (501), the supporting plate (5) is fixedly connected to the bottom of the fixing seat (1) in an annular array mode, a fixing groove (503) is formed in the other side of the fastening plate (502), a roller (504) is fixedly connected to the fixing groove (503), and a roller groove (505) which is connected with the end portion of the roller (504) in a matched mode is formed in the wall of the cutting sleeve (4).

4. An orthopedic nail extraction device as claimed in claim 1, wherein: the bottom of adjusting pole (3) is connected with fixed block (301) through the bearing, the one end in wire rope (302) is connected to the bottom of fixed block (301), the other end of wire rope (302) is fixed on clamping jaw (305), the bottom fixedly connected with leading wheel (303) of adjusting post (2), wire rope (302) cover is established on leading wheel (303).

5. An orthopedic nail extraction device as claimed in claim 1, wherein: the end part of the positioning rod (7) is fixedly connected with a limiting supporting rod (701) through a bolt, and the lower part of the limiting supporting rod (701) is fixedly connected with the upper end of the adjusting column (2) through a fixed inserting column (702) in an inserting mode.

6. An orthopedic nail extraction device as claimed in claim 1, wherein: bradyseism subassembly (6) include rubber pad (601), equal fixedly connected with elasticity steel wire net layer (603) on the interior outer wall of rubber pad (601), the inside fixedly connected with reinforcement steel spring (602) of rubber pad (601), reinforcement steel spring (602) are the even inside at rubber pad (601) of distribution of annular array.