Nail extractor for orthopedics department

Abstract

The utility model discloses a nail extractor for the orthopedics department. The nail extractor comprises a working platform, a heightening platform is mounted on the working platform, a limb fixing device is arranged on the heightening platform, a lifting frame is mounted on the working platform, a nail pulling device is arranged in the lifting frame, the limb fixing device is mounted below the nail pulling device, and the limb fixing device comprises a lower fixing seat; according to the utility model, the lower fixing grooves and the upper fixing grooves on the two lower fixing seats and the upper fixing seat are used for fixing an affected limb needing nail removal, the lower fixing seats and the upper fixing seat are fixed by screwing the connecting bolts into the connecting holes, and the side fixing bolts on the two sides of the lower fixing seats are respectively rotated, so that the side fixing bolts can move left and right; an upper fixing plate can move up and down by rotating an upper fixing bolt on an upper fixing seat, so that the upper portion of the affected limb is limited and fixed, and the two fixed ends of the affected limb can be firmly fixed by adjusting a lower fixing seat and an upper fixing seat on the front side and the rear side of the heightening platform respectively.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of orthopedics extractor. BACKGROUND

[0002] According to the search, the bone extractor of the bone department of a hospital of the public number CN220530107U is disclosed, including base, first sliding slot is equipped in the upper portion of base, support platform is equipped in the upper end of base, the surface of support platform is arc, double-end screw rod is equipped in the inside of first sliding slot, double-end screw rod one end is equipped with first motor, double-end screw rod is rotatably connected first sliding slot, mobile column is equipped on the surface of double-end screw rod, mobile column has two, mobile column is threadedly connected double-end screw rod, two mobile column upper ends mutually close side are equipped with fixed plate, fixed plate is arc, fixed plate and support platform surface are equipped with rubber pad, one side of first sliding slot is equipped with lifting column, lifting column one side is equipped with lifting platform, the upper end of base is equipped with limit post, limit post has two, lifting platform lower end is equipped with clamping device, the bone extractor of the utility model disclosed can not only fix patient's limbs, can adjust the position of clamping plate, but also can more easily clamp steel nail.

[0003] The above-mentioned device utilizes two semicircular fixed plates to cooperate with the support platform to fix the patient's limbs, but due to the characteristics of human physiological structure, whether it is an arm or a leg, the diameters of the front and rear ends are not consistent, for example, when fixing an arm, the diameters of the upper arm and the lower arm are not consistent, and even the diameter of the lower arm near the elbow is not the same as the diameter near the wrist. When fixing, the device can only be fixed based on the thicker part, and the thinner part is not fixed firmly, leaving a space for movement. When pulling out the nail, if the patient's hand moves, it may cause harm to the patient. Therefore, a bone extractor is needed to meet people's needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of bone extractor to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bone extractor, including work platform;The work platform is installed with heightening platform, the heightening platform is equipped with limb fixing device, the work platform is installed with lifting frame, the lifting frame is equipped with nail pulling device, the limb fixing device is installed below nail pulling device;

[0006] Preferably, the limb fixing device includes a lower fixing seat, the lower fixing seat is installed on both sides of the heightening platform, an upper fixing seat is installed above the lower fixing seat, lower fixing ears are installed on both sides of the lower fixing seat, upper fixing ears are installed on both sides of the upper fixing seat, connection holes are opened in the upper fixing ears and the lower fixing ears, and connecting bolts are installed in the connection holes.

[0007] Preferably, the lower fixing base is provided with a lower fixing groove, and lower fixing plates are arranged on both sides of the lower fixing groove.

[0008] Preferably, the lower fixing base is provided with side fixing holes on both sides, and the side fixing holes are provided with internal threads, and the side fixing bolts are rotatably arranged in the side fixing holes.

[0009] Preferably, the upper fixing base is provided with an upper fixing groove, and an upper fixing plate groove is arranged above the upper fixing groove, and an upper fixing plate is arranged in the upper fixing plate groove.

[0010] Preferably, the upper fixing base is provided with an upper fixing hole above the upper fixing groove, and an upper fixing bolt is arranged in the upper fixing hole, and one end of the upper fixing bolt is connected with the upper fixing plate.

[0011] Preferably, a first motor is arranged on one side of the lifting frame, a first lead screw is arranged on the first motor, a first sliding rod is arranged on the other side of the lifting frame, and a lifting cross frame is arranged on the first lead screw and the first sliding rod.

[0012] Preferably, a second motor is arranged in the lifting cross frame, a second lead screw is arranged on the second motor, and an H-shaped moving plate is arranged on the second lead screw.

[0013] Preferably, nail pulling clamps are arranged on both sides of the H-shaped moving plate, clamp bolts are arranged on the nail pulling clamps, holes are arranged on both sides of the nail pulling clamps, and the clamp bolts are screw-connected and arranged in the holes.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The utility model fixes the limb needing to be disassembled by the two lower fixing bases and the lower fixing groove and the upper fixing groove on the upper fixing base, fixes the lower fixing base and the upper fixing base by rotating the connecting bolts into the connecting holes, rotates the side fixing bolts on both sides of the lower fixing base, moves the side fixing bolts left and right, fixes the two sides of the limb, rotates the upper fixing bolt on the upper fixing base, moves the upper fixing plate up and down, limits and fixes the upper part of the limb, adjusts the lower fixing base and the upper fixing base on the front and back sides of the heightening platform, and fixes the two ends of the limb.

[0016] (2) the bone nail is pulled out by clamping the bone nail through two nail pulling clamps, rotating the first screw rod by the first motor to control the lifting cross frame to move the nail pulling clamps through the H-shaped moving plate, rotating the second screw rod by the second motor can adjust the left and right positions of the H-shaped moving plate, the positions of the nail pulling clamps are adjusted by rotating the clamping plate bolts on the two sides respectively, so that the two nail pulling clamps can clamp the bone nail, and the nail is pulled by the vertical movement of the lifting cross frame driven by the first screw rod, so that the secondary damage to the patient caused by the inclined pulling angle when the nail is pulled manually can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of the orthopedic nail extractor is provided for the utility model;

[0018] Figure 2 A structure schematic diagram of the lower fixing seat, the upper fixing seat and other structures of the orthopedic nail extractor is provided for the utility model;

[0019] Figure 3 A structure schematic diagram of the lower fixing plate, the side fixing bolt and other structures of the orthopedic nail extractor is provided for the utility model;

[0020] Figure 4 A structure schematic diagram of the upper fixing bolt, the upper fixing plate and other structures of the orthopedic nail extractor is provided for the utility model;

[0021] Figure 5 A structure schematic diagram of the first screw rod, the first sliding rod and other structures of the orthopedic nail extractor is provided for the utility model;

[0022] Figure 6 A structure schematic diagram of the H-shaped moving plate, the nail pulling clamp and other structures of the orthopedic nail extractor is provided for the utility model.

[0023] In the figure: 1, work platform; 2, limb fixing device; 3, nail pulling device; 4, heightening platform; 5, lifting frame; 200, lower fixing seat; 201, lower fixing groove; 202, lower fixing lug; 203, lower fixing plate; 204, side fixing hole; 205, side fixing bolt; 206, upper fixing seat; 207, upper fixing lug; 208, connecting hole; 209, connecting bolt; 210, upper fixing groove; 211, upper fixing plate; 212, upper fixing hole; 213, upper fixing bolt; 214, upper fixing plate groove; 300, first motor; 301, first screw rod; 302, first sliding rod; 303, lifting cross frame; 304, second motor; 305, second screw rod; 306, H-shaped moving plate; 307, nail pulling clamp; 308, clamping plate bolt. DETAILED DESCRIPTION

[0024] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0025] Embodiment 1: please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of orthopaedic nail extractor, including work platform 1;In order to be able to adapt to the thickness of arm and be fully fixed with limb, work platform 1 is equipped with heightening platform 4, limb fixing device 2 is equipped on heightening platform 4, lifting frame 5 is installed on work platform 1, pull nail device 3 is equipped in lifting frame 5, limb fixing device 2 is installed below pull nail device 3, fix limb by limb fixing device 2, pull nail by pull nail device 3;

[0026] In order to realize the function of fixing the limb, the limb fixing device 2 comprises a lower fixing base 200 installed on both sides of the heightening platform 4, an upper fixing base 206 installed above the lower fixing base 200, lower fixing ears 202 installed on both sides of the lower fixing base 200, upper fixing ears 207 installed on both sides of the upper fixing base 206, connecting holes 208 opened on the upper fixing ears 207 and the lower fixing ears 202, connecting bolts 209 installed in the connecting holes 208, a lower fixing groove 201 opened on the lower fixing base 200, lower fixing plates 203 installed in the lower fixing groove 201, side fixing bolts 205 installed on one side of the lower fixing plates 203, side fixing holes 204 opened on both sides of the lower fixing base 200, inner threads opened in the side fixing holes 204, the side fixing bolts 205 rotatably installed in the side fixing holes 204, an upper fixing groove 210 opened in the upper fixing base 206, an upper fixing plate groove 214 opened in the upper fixing base 206 above the upper fixing groove 210, an upper fixing plate 211 installed in the upper fixing plate groove 214, an upper fixing hole 212 opened on the upper fixing base 206 above the upper fixing plate 211, and an upper fixing bolt 213 installed in the upper fixing hole 212, one end of the upper fixing bolt 213 connected with the upper fixing plate 211. In use, the patient places the affected limb on the lower fixing grooves 201 on the two lower fixing bases 200, and installs the upper fixing base 206 on the lower fixing base 200, at this time, the upper fixing groove 210 on the upper fixing base 206 is clamped into the upper half of the affected limb, and the affected limb to be fixed is fixed by the two lower fixing bases 200 and the upper fixing base 206 on the lower fixing grooves 201 and the upper fixing groove 210. The lower fixing base 200 and the upper fixing base 206 are fixed by rotating the connecting bolts 209 into the connecting holes 208, the side fixing bolts 205 are moved left and right by rotating the side fixing bolts 205 on both sides of the lower fixing base 200, thereby fixing the affected limb on both sides, the upper fixing plate 211 is moved up and down by rotating the upper fixing bolt 213 on the upper fixing base 206, thereby limiting and fixing the affected limb above, the lower fixing base 200 and the upper fixing base 206 on the front and rear sides of the heightening platform 4 are adjusted respectively, and the affected limb on the two lower fixing bases 200 is different in thickness, so that the two ends of the affected limb are fixed firmly.

[0027] Example 2: as Figure 1 and Figures 5-6, in order to be able to safely pull out the bone nail, a first motor 300 is installed on one side in the lifting frame 5, a first lead screw 301 is installed on the first motor 300, a first sliding rod 302 is installed on the other side in the lifting frame 5, the same lifting cross 303 is installed on the first lead screw 301 and the first sliding rod 302, a second motor 304 is installed in the lifting cross 303, a second lead screw 305 is installed on the second motor 304, an H-shaped moving plate 306 is installed on the second lead screw 305, nail pulling clamping plates 307 are installed on both sides of the H-shaped moving plate 306, clamping plate bolts 308 are installed on the nail pulling clamping plates 307, holes are opened on both sides of the nail pulling clamping plates 307, and the clamping plate bolts 308 are threadedly connected and installed in the holes, in order to facilitate safe pulling out of the fixation, the bone nail is clamped by the two nail pulling clamping plates 307, then the first motor 300 is used to drive the first lead screw 301 to rotate to control the lifting cross 303 to move the nail pulling clamping plates 307 through the H-shaped moving plate 306, so as to pull out the bone nail, the left and right positions of the H-shaped moving plate 306 can be adjusted by rotating the second lead screw 305 driven by the second motor 304, the positions of the nail pulling clamping plates 307 are adjusted by rotating the clamping plate bolts 308 on both sides respectively, so that the bone nail can be clamped by the nail pulling clamping plates 307 on both sides, the nail is pulled by the vertical movement of the lifting cross 303 driven by the first lead screw 301, which can avoid secondary damage to the patient caused by the inclination of the pulling-out angle when the nail is pulled manually, and the remaining features are the same as those of example 1.

[0028] The working principle is: when in use, the patient places the affected limb on the lower fixing groove 201 on the front and rear two lower fixing seats 200, installs the upper fixing seat 206 on the lower fixing seat 200, at this time, the upper fixing groove 210 on the upper fixing seat 206 is clamped into the upper half of the affected limb, the affected limb to be removed is fixed through the lower fixing groove 201 and the upper fixing groove 210 on the two lower fixing seats 200 and the upper fixing seat 206, the lower fixing seat 200 and the upper fixing seat 206 are fixed by rotating the connecting bolt 209 into the connecting hole 208, the side fixing bolt 205 on both sides of the lower fixing seat 200 is rotated respectively, the side fixing bolt 205 can be moved left and right, thereby fixing the affected limb on both sides, the upper fixing bolt 213 on the upper fixing seat 206 is rotated, the upper fixing plate 211 can be moved up and down, thereby limiting and fixing the affected limb above, the lower fixing seat 200 and the upper fixing seat 206 on the front and rear sides of the heightening platform 4 are adjusted respectively, and the affected limb is different in thickness on the two lower fixing seats 200, the two ends of the affected limb can also be fixed firmly, in order to facilitate safe extraction of the fixing, the bone nail is clamped through the two nail extraction clamping plates 307, the first motor 300 drives the first lead screw 301 to rotate, the lifting cross frame 303 is controlled to move through the H-shaped moving plate 306, the nail extraction clamping plate 307 is driven to move, thereby the bone nail is extracted, the second motor 304 drives the second lead screw 305 to rotate, the left and right positions of the H-shaped moving plate 306 can be adjusted, the positions of the nail extraction clamping plates 307 are adjusted by rotating the clamping plate bolts 308 on both sides respectively, the bone nail can be clamped by the nail extraction clamping plates 307 on both sides, the nail is extracted by the vertical movement of the lifting cross frame 303 driven by the first lead screw 301, the secondary injury to the patient caused by the extraction angle inclination when the nail is extracted manually can be avoided.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An orthopedic nail extractor comprising a working platform (1); characterized in that: The working platform (1) is provided with a height increasing platform (4), the height increasing platform (4) is provided with a limb fixing device (2), the working platform (1) is provided with a lifting frame (5), the lifting frame (5) is provided with a nail pulling device (3), and the limb fixing device (2) is arranged below the nail pulling device (3). The limb fixing device (2) comprises a lower fixing seat (200), the lower fixing seat (200) is arranged on both sides of the height increasing platform (4), an upper fixing seat (206) is arranged above the lower fixing seat (200), lower fixing ears (202) are arranged on both sides of the lower fixing seat (200), upper fixing ears (207) are arranged on both sides of the upper fixing seat (206), connecting holes (208) are formed in the upper fixing ears (207) and the lower fixing ears (202), and connecting bolts (209) are arranged in the connecting holes (208).

2. The orthopedic nail extractor according to claim 1, wherein: A lower fixing groove (201) is formed in the lower fixing seat (200), lower fixing plates (203) are arranged in the lower fixing groove (201) on both sides, and side fixing bolts (205) are arranged on one side of the lower fixing plates (203).

3. The orthopedic screw extractor of claim 2, wherein: Side fixing holes (204) are formed in both sides of the lower fixing seat (200), the side fixing holes (204) are internally threaded, and the side fixing bolts (205) are rotatably arranged in the side fixing holes (204).

4. The orthopedic screw extractor of claim 3, wherein: An upper fixing groove (210) is formed in the upper fixing seat (206), an upper fixing plate groove (214) is formed in the upper fixing seat (206) above the upper fixing groove (210), and an upper fixing plate (211) is arranged in the upper fixing plate groove (214).

5. The orthopedic screwdriver of claim 4, wherein: An upper fixing hole (212) is formed in the upper fixing seat (206), an upper fixing bolt (213) is arranged in the upper fixing hole (212), and one end of the upper fixing bolt (213) is connected with the upper fixing plate (211).

6. The orthopedic screw extractor of claim 1, wherein: A first motor (300) is arranged on one side in the lifting frame (5), a first lead screw (301) is arranged on the first motor (300), a first sliding rod (302) is arranged on the other side in the lifting frame (5), and a lifting cross frame (303) is arranged on the first lead screw (301) and the first sliding rod (302).

7. The orthopedic screwdriver of claim 6, wherein: A second motor (304) is arranged in the lifting cross frame (303), a second lead screw (305) is arranged on the second motor (304), and an H-shaped moving plate (306) is arranged on the second lead screw (305).

8. The orthopedic screwdriver of claim 7, wherein: Nail pulling clamping plates (307) are arranged on both sides of the H-shaped moving plate (306), clamping bolt (308) is arranged on the nail pulling clamping plates (307), and holes are formed in the nail pulling clamping plates (307), and the clamping bolt (308) is threadedly connected in the holes.

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