Quick connection stress application structure of spine test mold handle

Abstract

The utility model discloses a quick connection stress application structure of a spine test mold handle, which comprises a connecting rod, the end part of the connecting rod is connected with a handle, the surface of the handle is provided with a through groove, a stress application device is arranged in the handle, and the stress application device is rotatably connected with the handle. A forcing device, such as an extension arm based on the lever principle, is integrated at the tail part of the handle, so that an operator can apply required pressure more easily, and the accuracy and the safety of an operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, and particularly relates to a quick-connection force adding structure of a spine test handle. BACKGROUND

[0002] Spine surgery has very high requirements for medical apparatus and instruments, and the test handle is a key tool in the surgery process, and its performance directly affects the success or failure of the surgery. However, the existing test handles generally have problems such as insufficient force application, unstable connection, and complex operation, which not only increase the difficulty of the surgery, but also affect the surgery efficiency and the recovery of the patient. SUMMARY

[0003] In view of the above problems, the utility model aims to provide a quick-connection force adding structure of a spine test handle.

[0004] To achieve the technical purpose, the utility model provides a quick-connection force adding structure of a spine test handle, which comprises a connecting rod, the end of the connecting rod is connected with a handle, a through slot is formed in the surface of the handle, a force adding device is arranged in the handle, and the force adding device is movably connected with the handle.

[0005] Preferably, the force adding device comprises an extension arm, a positioning hole is formed in the surface of the extension arm, a straight slot is formed in the surface of the handle, and a rotary fastener is inserted into the straight slot when one end of the straight slot is concentric with the positioning hole.

[0006] Preferably, the rotary fastener comprises a pin shaft, a pressing block is arranged at the upper end of the pin shaft, a limiting bolt is arranged at the bottom end of the pin shaft, a limiting sheet is fixedly arranged on the outer surface of the pin shaft, the limiting sheet is movably connected with the inner wall of the positioning hole, and the shaft part of the pressing block and the shaft part of the limiting bolt are movably connected with the straight slot.

[0007] Preferably, a clamping groove is formed in the end of the extension arm away from the positioning hole and penetrating the upper surface of the extension arm, a limiting block is clamped to the inner wall of the clamping groove, and the limiting block is movably connected with the clamping groove, a positioning hole is arranged below the clamping groove to prevent the limiting block from falling off, a limiting slot is formed in the surface of the handle and penetrating the handle, and the extension arm is limited from rotating with the handle when the limiting block protrudes into the limiting slot from the clamping groove.

[0008] Preferably, the diameters of the circular holes at the two ends of the straight slot are smaller than the diameter of the positioning hole.

[0009] Preferably, a connecting shaft is arranged at one end of the connecting rod, a test head is arranged at the other end of the connecting rod, and a recess is formed in the end of the handle and matched with the test head.

[0010] Preferably, the surface of the groove is provided with a first circular hole penetrating through the groove, the surface of the connecting shaft is provided with a second circular hole matched with the first circular hole, and the connecting rod and the handle are fixed by inserting a pin.

[0011] The utility model discloses the beneficial effects of

[0012] In view of the problem that the existing test handle is difficult to apply force, a force applying device is integrated at the tail of the handle, such as an extension arm of lever principle, so that the operator can more easily apply the required pressure, improving the accuracy and safety of the operation.

[0013] The handle and the connecting block are matched with the connecting shaft and the groove, a pin is inserted into the first circular hole and the second circular hole, so that the handle and the connecting rod are fixed and quickly disassembled, improving the flexibility and efficiency of the handle. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is Figure 1 It is a local enlarged view of A in the middle;

[0016] Figure 3 It is a structural schematic view of the handle and the rotary fastener;

[0017] Figure 4 It is a structural schematic view of the force applying device;

[0018] Figure 5 It is a structural schematic view of the fastener;

[0019] Figure 6 It is a structural schematic view of the connecting rod;

[0020] Figure 7 It is a structural schematic view of the handle and the force applying device;

[0021] Figure 8 It is a structural schematic view of the force applying device and the handle rotation;

[0022] Figure 9 It is a structural schematic view of the force applying device and the handle rotation movement.

[0023] In the drawing: 1, connecting rod 101, connecting shaft 102, test head 103, second circular hole 2, handle 201, groove 202, first circular hole 3, force applying device 4, extension arm 5, positioning hole 6, straight slot 7, rotary fastener 71, pin shaft 72, pressing block 73, limiting bolt 74, limiting piece 8, clamping groove 9, limiting block 10, limiting groove. DETAILED DESCRIPTION

[0024] The utility model discloses make further detailed instructions in combination with the drawings and specific embodiment.

[0025] As shown in the figure, the specific embodiment of the utility model is a kind of quick-connection force structure of spine test handle 2, including connecting rod 1, the end of connecting rod 1 is connected with handle 2, the surface of handle 2 is equipped with through slot, and its inside is equipped with force adding device 3, force adding device 3 is movably connected with handle 2.

[0026] The force adding device 3 includes elongated arm 4, the surface of elongated arm 4 is equipped with positioning hole 5, the surface of handle 2 is equipped with straight slot 6 that passes through handle 2, when one end of straight slot 6 is concentric with positioning hole 5, it is inserted with rotating fastener 7, rotating fastener 7 includes pin shaft 71, the upper end of pin shaft 71 is equipped with pressing block 72, the bottom end of pin shaft 71 is equipped with limit bolt 73, the outer surface of pin shaft 71 is fixedly provided with limit sheet 74, limit sheet 74 is movably connected along the inner wall of positioning hole 5, the shaft part of pressing block 72 and the shaft part of limit bolt 73 are movably connected with straight slot 6.

[0027] Specifically, first, rotating fastener 7 is used to realize the rotary connection of elongated arm 4 and handle 2, when the position of elongated arm 4 needs to be adjusted, pin shaft 71 is slid downward in positioning hole 5 of elongated arm 4 by pressing pressing block 72 through limit sheet 74, so that the shaft part of pressing block 72 and the shaft part of limit bolt 73 are at the same horizontal position, elongated arm 4 can be moved, and the operator can adjust the angle or position of elongated arm 4 to increase or reduce the applied pressure as needed.

[0028] The diameters of the circular holes at the two ends of straight slot 6 are smaller than the diameter of positioning hole 5, the diameter of limit sheet 74 is consistent with the diameter of positioning hole 5, to prevent rotating fastener 7 from falling off, and the shaft part of pressing block 72 and the shaft part of limit bolt 73 cooperate with the straight slot in straight slot 6, to facilitate the movement of limit bolt 73 and pressing block 72 along straight slot 6.

[0029] The end of elongated arm 4 away from positioning hole 5 is equipped with clamping groove 8 that passes through the upper surface of elongated arm 4, the inner wall of clamping groove 8 is clamped with limit block 9, and limit block 9 is movably connected with clamping groove 8, the positioning hole 5 opposite to the lower part of clamping groove 8 is provided to prevent limit block 9 from falling off, the surface of handle 2 is equipped with limit slot 10 that passes through handle 2, when limit block 9 protrudes from the inside of clamping groove 8 to limit slot 10, the rotation of elongated arm 4 and handle 2 is limited.

[0030] Specifically, when elongated arm 4 needs to rotate relative to handle 2, limit block 9 is pressed downward to release the limit.

[0031] One end of the connecting rod 1 is provided with a connecting shaft 101, the other end of the connecting rod 1 is provided with a test head 102, the end of the handle 2 is provided with a groove 201 matched with the connecting rod 1, the surface of the groove 201 is provided with a first circular hole 202 penetrating the groove 201, the surface of the connecting shaft 101 is provided with a second circular hole 103 matched with the first circular hole 202, and the connecting rod 1 and the handle 2 are fixed by inserting a pin.

[0032] Specifically, the connecting rod 1 is inserted into the groove 201 of the handle 2, when the first circular hole 202 and the second circular hole 103 coincide, the pin is inserted, and the connecting rod 1 and the handle 2 are fixed, which is simple in structure, fast in disassembly, and improves the flexibility and efficiency of the handle 2.

[0033] Working principle: the connecting rod 1 is inserted into the groove 201 through the connecting shaft 101, the handle 2 and the connecting rod 1 are fixed by the pin, the operator adjusts the angle or position of the extension arm 4 in the handle 2 by rotating the fastener 7, the overall operation is convenient, the connection is stable, and the accuracy and safety of the operation are improved.

[0034] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any slight modification, equivalent replacement and improvement according to the technical essence of the present application on the above embodiment should be included in the protection scope of the technical scheme of the present application.

Claims

1. A quick connection reinforcing structure of a handle of a spine test model, comprising a connecting rod (1), an end of the connecting rod (1) being connected with a handle (2), characterized in that: The surface of the handle (2) is provided with a through slot, and a force adding device (3) is installed inside, which is movably connected with the handle (2).

2. The quick connect force structure of a spinal column phantom handle according to claim 1, wherein: The force adding device (3) comprises an extension arm (4), the surface of which is provided with a positioning hole (5), the surface of the handle (2) is provided with a straight slot (6) penetrating the handle (2), and when one end of the straight slot (6) is concentric with the positioning hole (5), a rotating fastener (7) is inserted.

3. A quick connect force structure for a spinal column trial handle according to claim 2, wherein: The rotating fastener (7) comprises a pin shaft (71), the upper end of which is provided with a pressing block (72), the bottom end of which is provided with a limiting bolt (73), and the outer surface of which is fixedly provided with a limiting sheet (74) movably connected with the inner wall of the positioning hole (5), and the shaft part of the pressing block (72) and the limiting bolt (73) are movably connected with the straight slot (6).

4. The quick connect force structure of a spinal column trial handle according to claim 2, wherein: The end of the extension arm (4) away from the positioning hole (5) is provided with a clamping groove (8) penetrating the upper surface of the extension arm (4), the inner wall of the clamping groove (8) is clamped with a limiting block (9) movably connected with the clamping groove (8), the lower part of the clamping groove (8) is provided with a positioning hole (5) preventing the limiting block (9) from falling off, the surface of the handle (2) is provided with a limiting slot (10) penetrating the handle (2), and when the limiting block (9) protrudes from the clamping groove (8) to the inside of the limiting slot (10), the rotation of the extension arm (4) and the handle (2) is limited.

5. The quick connect force structure of a spinal column trial handle handle according to claim 2, wherein: The diameters of the round holes at both ends of the straight slot (6) are smaller than the diameter of the positioning hole (5).

6. The quick connect force structure of a spinal column trial handle according to claim 1, wherein: One end of the connecting rod (1) is provided with a connecting shaft (101), the other end of the connecting rod (1) is provided with a feeler (102), and the end of the handle (2) is provided with a groove (201) matched with the feeler (102).

7. A quick connect force structure for a spinal column trial handle according to claim 6, wherein: The surface of the groove (201) is provided with a first round hole (202) penetrating the groove (201), the surface of the connecting shaft (101) is provided with a second round hole (103) matched with the first round hole (202), and the connecting rod (1) and the handle (2) are fixed by inserting a pin.

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