A bone pin holder for prying and resetting

Abstract

The utility model relates to a bone needle clamp for prying and resetting, wherein the rear end of a fixing cylinder is connected to a swing arm of a six-axis robot, and the front part of the fixing cylinder is plugged into the rear end of a clamping column, and the clamping column comprises two half clamping columns that are symmetrical on both sides, and a plurality of clamping grooves along the axial direction of the clamping column are symmetrically arranged on the splicing plane of the front parts of the two half clamping columns, and the front and rear parts of the two half clamping columns are respectively arranged with two or more clamping column front fixing screw holes and one clamping column rear fixing screw hole perpendicular to the splicing plane of the two half clamping columns, and at least two of the two or more clamping column front fixing screw holes are arranged at the front and rear positions of all the clamping grooves in the axial direction, and the sizes of the plurality of clamping grooves are the same or different, and the needle fixing screws are inserted into the clamping column front fixing screw holes of the two half clamping columns, and the clamping column fixing screws are inserted into the front fixing holes and the clamping column rear fixing screw holes. The utility model has a simple structure, is conducive to stable clamping, meets the clamping use of needle bodies of multiple specifications, and is convenient for X-ray operation monitoring.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a bone needle clamp for prying and resetting. Background Art

[0002] With the development of medical technology, more and more medical surgeries are gradually becoming popular with robot operations. For example, in existing fracture prying and reduction surgeries, a six-axis robot with a splint is used to clamp the bone needle. The stability of the splint is poor, and the needle is easily offset or falls off during needle insertion, thus causing surgical accidents. In addition, the metal structure of the splint blocks X-rays, which is not conducive to accurate real-time X-ray operation monitoring. Summary of the invention

[0003] The utility model provides a bone needle clamp for prying and resetting, which has a simple structure, is conducive to stable clamping, meets the clamping use of needle bodies of various specifications and is convenient for X-ray operation monitoring.

[0004] The technical solution adopted by the utility model is: a bone pin clamp for prying and resetting, characterized in that: it includes a fixing tube and a clamping column, a fixing port is arranged at the rear end of the fixing tube, the fixing port is connected to the swing arm of a six-axis robot, the front part of the fixing tube is arranged as a flat handrail, a clamping installation hole is arranged at the front end of the handrail, and front fixing holes are arranged on the flat side surfaces on both sides of the clamping installation hole at the front end of the handrail, the rear end of the clamping column is inserted into the clamping installation hole, the clamping column includes two left-right symmetrical half clamping columns, and the splicing plane at the front of the two half clamping columns A plurality of clamping needle grooves are symmetrically arranged along the axial direction of the clamping column, and more than two clamping column front fixing screw holes and one clamping column rear fixing screw hole perpendicular to the splicing plane of the two half clamping columns are respectively arranged at the front and rear parts of the two half clamping columns. At least two of the more than two clamping column front fixing screw holes are arranged at the front and rear positions of all the clamping needle grooves in the axial direction. The sizes of the plurality of clamping needle grooves are the same or different. Needle fixing screws are passed through the front fixing screw holes of the clamping columns of the two half clamping columns, and the clamping column fixing screws are passed through the front fixing holes and the rear fixing screw holes of the clamping columns.

[0005] Furthermore, more than two rear fixing holes are arranged around the circumference on the outer wall of the rear end of the fixing tube, and fixing screws are passed through the rear fixing holes to connect to the swing arm of the six-axis robot.

[0006] Furthermore, two flat side surfaces of the armrest portion are provided with anti-slip mesh patterns or convex ridges.

[0007] Furthermore, the two semi-clamping columns are carbon fiber structures.

[0008] Furthermore, the two half clamping columns are provided with a clamping column front fixing screw hole between each or more than two clamping needle grooves.

[0009] Furthermore, the needle fixing screw is a carbon fiber screw.

[0010] Furthermore, the clamping column fixing screw is a carbon fiber screw.

[0011] Furthermore, the needle head fixing screw is a horn head screw.

[0012] Furthermore, the clamping column fixing screw is a horn head screw.

[0013] Furthermore, the fixing cylinder is a stainless steel structure.

[0014] The beneficial effects of the utility model are:

[0015] 1. The rear end of the fixing tube is connected to the six-axis robot swing arm, and the fixing screws are inserted through the rear fixing holes on its outer periphery to lock it, ensuring a firm connection while facilitating assembly and replacement;

[0016] 2. The front end of the fixing tube is inserted with two half-clamping columns through the clamping installation hole, and the front fixing hole on its outer periphery corresponds to the rear fixing screw holes of the clamping columns of the two half-clamping columns and is connected with the clamping column fixing screws to lock, ensuring that the clamping columns are firmly connected. Combined with the clamping column fixing screws with horn heads, it is easy to lock, assemble and replace;

[0017] 3. A flat handrail structure is set at the front end of the fixed tube, which is convenient for operators to hold and can meet the manual adjustment of manual intervention in automated operations. Combined with the anti-slip structure on its flat surface, it effectively ensures stable installation operation;

[0018] 4. There are multiple needle clamping grooves on the joint plane of the two half clamping columns. The sizes of the needle clamping grooves can be set to be the same or different, which can meet the clamping of bone needles of the same or different specifications without replacing the clamper. The front fixing screw holes of the clamping column are set in front and behind the multiple needle clamping grooves. The front fixing screw holes of the clamping column are set in front and behind any needle clamping groove, and the needle fixing screws are connected. This can meet the clamping requirements when clamping bone needles on needle clamping grooves of different specifications and sizes. The needle fixing screws use horn-head carbon fiber screws, which are convenient for quick locking and assembly and meet the requirements of real-time X-ray. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 for Figure 1 Top view of the .

[0021] In the figure: fixing cylinder 1, fixing mouth 2, rear fixing hole 3, fixing screw 4, armrest 5, flat side 6, clamping mounting hole 7, front fixing hole 8, clamping column fixing screw 9, semi-clamping column 10, clamping needle groove 11, clamping column front fixing screw hole 12, clamping column rear fixing screw hole 13, needle fixing screw 14. DETAILED DESCRIPTION

[0022] The following is a further description with reference to the accompanying drawings.

[0023] Figure 1-2 As shown: a bone needle holder for prying and resetting comprises a fixing cylinder 1, a fixing screw 4, a clamping column fixing screw 9, a semi-clamping column 10, a clamping column front fixing screw hole 12, a clamping column rear fixing screw hole 13 and a needle fixing screw 14. A fixing port 2 is arranged at the rear end of the fixing cylinder 1, and more than two rear fixing holes 3 are arranged around the circumference on the outer wall of the rear end of the fixing cylinder 2, and the rear fixing holes 3 are connected with fixing screws 4 to connect to the swing arm of the six-axis robot.

[0024] The front part of the fixing cylinder 1 is provided with an armrest part 5 with flat side surfaces 6 on both sides, a clamping installation hole 7 is provided at the front end of the armrest part 5, and a front fixing hole 8 is provided on the flat side surfaces 6 on both sides of the clamping installation hole 7 at the front end of the armrest part 5. Two half clamping columns 10 symmetrically connected to an integral clamping column, the rear end of the integral clamping column is inserted into the clamping installation hole 7, and a plurality of clamping needle grooves 11 along the axial direction of the clamping column are symmetrically provided on the splicing plane of the front part of the two half clamping columns 10. The sizes of the plurality of clamping needle grooves are the same or different, and the two half clamping columns The front and rear parts of 10 are respectively provided with two or more clamping column front fixing screw holes 12 and one clamping column rear fixing screw hole 13 which are perpendicular to the joint plane of the two half clamping columns. The clamping column fixing screws 9 are passed through the front fixing hole 8 and the clamping column rear fixing screw hole 13 to lock the connection between the two half clamping columns 10 and the fixing tube 1. At least two of the two or more clamping column front fixing screw holes 12 are arranged at the front and rear positions of all the clamping needle grooves in the axial direction. The needle fixing screws 14 are passed through the clamping column front fixing screw holes 12 of the two half clamping columns.

[0025] The two half clamping columns of this embodiment are carbon fiber structures, and the clamping column fixing screws are carbon fiber screws.

[0026] In this embodiment, three clamping column front fixing screw holes 12 are respectively located at the front and rear positions and the middle position of all the clamping needle slots to improve the clamping process. On this basis, according to the clamping specifications, each or more than two clamping needle slots can be set with clamping column front fixing screw holes.

[0027] Based on this embodiment, anti-slip mesh patterns or convex ridges may be further provided on the two flat side surfaces 6 of the armrest portion 5 .

[0028] Based on this embodiment, all fixing screws are preferably horn head screws.

Claims

1. A bone pin holder for prying and resetting, characterized in that: The cam is provided with a plurality of holes for holding the two clamping posts, and the plurality of holes are provided with holes for holding the two clamping posts on the cam face.

2. The bone pin holder for prying and resetting according to claim 1, characterized in that: More than two rear fixing holes are arranged around the circumference on the rear end outer wall of the fixing cylinder, and the rear fixing holes are connected with fixing screws to connect with the swing arm of the six-axis robot.

3. The bone pin holder for prying and resetting according to claim 1, characterized in that: The two flat side surfaces of the armrest are provided with anti-slip mesh patterns or convex ridges.

4. The bone pin holder for prying and resetting according to claim 1, characterized in that: The two half clamping columns are carbon fiber structures.

5. The bone pin holder for prying and resetting according to claim 1, characterized in that: The two half clamping columns are provided with clamping column front fixing screw holes between each or more than two clamping needle grooves.

6. The bone pin holder for prying and resetting according to claim 1, characterized in that: The needle head fixing screw is a carbon fiber screw.

7. The bone pin holder for prying and resetting according to claim 1, characterized in that: The clamping column fixing screw is a carbon fiber screw.

8. The bone pin holder for prying and resetting according to claim 1 or 6, characterized in that: The needle head fixing screw is a horn head screw.

9. The bone pin holder for prying and resetting according to claim 1 or 7, characterized in that: The clamping column fixing screw is a horn head screw.

10. The bone pin holder for prying and resetting according to claim 1 or 2, characterized in that: The fixing cylinder is made of stainless steel.

Images