Splicing type round-head needle

Abstract

The utility model relates to the technical field of medical instruments, and discloses a splicing type round-head needle which comprises a round-head needle body, one end of the round-head needle body is in threaded connection with a threaded rod, one end of the threaded rod is fixedly provided with a splicing rod, one end of the splicing rod is fixedly provided with a clamping head, and the other end of the splicing rod is fixedly provided with a connecting rod. And first springs are fixedly installed on the inner bottom wall of the clamping head in sequence, clamping blocks are fixedly installed at the upper ends of the first springs, and pressing plates are movably connected to the upper ends of the clamping blocks. According to the spliced round-head needle, through the arrangement of a threaded rod, a connecting rod, a first spring, a clamping block, a pressing plate, a connector and an anti-skid sleeve, the splicing rod can be spliced with the round-head needle body through the threaded rod according to use requirements, after use, medical staff press down the pressing plate to drive the clamping block to compress the first spring, and therefore the clamping head can be detached; in addition, the anti-skid sleeve can prevent the round-head needle body from falling onto the ground due to the fact that the round-head needle body slips out of the hand.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a spliced ​​round-head needle. Background Art

[0002] The round-point needle has a spliced ​​rounded head and is commonly used to treat fractures, osteoarthritis and deformities. It can be passed through the bone and then fixed to the bone using an external fixator to restore the broken bone and promote healing.

[0003] However, the existing spliced ​​round-point needles have the following disadvantages:

[0004] (1) Sometimes the length of a single round-pointed needle may not be sufficient to penetrate and fix the bone structure well, and splicing to increase the length is inconvenient and cannot be removed.

[0005] Therefore, the utility model provides a spliced ​​round-head needle. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The technical problem solved by the utility model is to provide a spliced ​​round-head needle which is highly practical, can be simply operated, and has a relatively simple structure. It solves the problem raised in the above-mentioned background technology that sometimes the length of a single round-head needle may not be sufficient to penetrate and fix the bone structure well, making it inconvenient to splice to increase the length and difficult to disassemble.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: a spliced ​​round-head needle, comprising a round-head needle body, one end of the round-head needle body is threadedly connected to a threaded rod, one end of the threaded rod is fixedly installed with a splicing rod, one end of the splicing rod is fixedly installed with a clamping head, the inner bottom wall of the clamping head is fixedly installed with a first spring in turn, the upper end of the first spring is fixedly installed with a clamping block, the upper end of the clamping block is movably connected with a pressure plate, the surface of the pressure plate is slidably connected with a connecting head, a handle is fixedly installed on one side of the connecting head, and the surface of the handle is sleeved with an anti-slip sleeve.

[0010] Optionally, first limiting plates are fixedly mounted on both sides of the card block, and the number of the first limiting plates is two, and the first limiting plates can limit the card block.

[0011] Optionally, second limiting plates are fixedly installed on both sides of the pressing plate, and the number of the second limiting plates is two, and the second limiting plates can limit the pressing plate.

[0012] Optionally, a first slot is formed at one end of the connector, and second slots are formed in sequence on the inner wall of the first slot, and the clamp can be installed in the first slot.

[0013] Optionally, first installation grooves are formed on both sides of the clamping head, first limiting grooves are formed on inner walls of the first installation grooves in sequence, and a first spring is installed on the inner wall of the first installation groove.

[0014] Optionally, second mounting grooves are provided on both sides of the connector, and second limiting grooves are provided on inner walls of the second mounting grooves in sequence, the pressure plate can be installed in the second mounting grooves, and the second limiting plate can slide in the second limiting grooves.

[0015] (III) Beneficial effects

[0016] The utility model provides a spliced ​​round-head needle, which has the following beneficial effects:

[0017] 1. The spliced ​​round-head needle, through the arrangement of the threaded rod, the connecting rod, the first spring, the clamping block, the pressure plate, the connector and the anti-slip sleeve, can splice the splicing rod with the round-head needle body through the threaded rod according to the use requirements. After use, the medical staff presses the pressure plate to drive the clamping block to compress the first spring, so that the clamping head can be removed, which is convenient for replacement and comprehensive disinfection, and the anti-slip sleeve can prevent the round-head needle body from falling to the ground due to slipping out of the hand and causing infection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the first installation slot of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the first limiting plate of the utility model.

[0022] In the figure: 1. round-head needle body; 2. threaded rod; 3. splicing rod; 4. clamping head; 5. first spring; 6. clamping block; 7. pressure plate; 8. connecting head; 9. handle; 10. anti-slip sleeve; 11. first limit plate; 12. second limit plate; 13. first slot; 14. first installation slot; 15. first limit slot. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4 The utility model provides a technical solution: a spliced ​​round-head needle, comprising a round-head needle body 1, one end of the round-head needle body 1 is threadedly connected with a threaded rod 2, one end of the threaded rod 2 is fixedly installed with a splicing rod 3, one end of the splicing rod 3 is fixedly installed with a clamping head 4, the inner bottom wall of the clamping head 4 is fixedly installed with a first spring 5 in turn, the upper end of the first spring 5 is fixedly installed with a clamping block 6, the upper end of the clamping block 6 is movably connected with a pressing plate 7, the surface of the pressing plate 7 is slidably connected with a connecting head 8, a handle 9 is fixedly installed on one side of the connecting head 8, and the surface of the handle 9 is sleeved with an anti-slip sleeve 10, through the threaded rod 2, the connecting rod 3, the first spring 5, the clamping block 6. The setting of the pressing plate 7, the connecting head 8 and the anti-slip sleeve 10 can be used to splice the splicing rod 3 with the round-headed needle body 1 through the threaded rod 2 according to the use requirements. After use, the medical staff presses the pressing plate 7 to drive the clamping block 6 to compress the first spring 5, so that the clamping head 4 can be removed, which is convenient for replacement and comprehensive disinfection. The anti-slip sleeve 10 can prevent it from slipping out of the hand and causing the round-headed needle body 1 to fall to the ground and cause infection. The material of the round-headed needle body 1 and the splicing rod 3 in the device is titanium alloy, which is another common material option. It has high strength and excellent biocompatibility. Titanium alloy flat-edged needles are widely used in orthopedic surgery, especially in cases where higher strength and lower metal magnetism are required, such as fracture repair and bone transplantation surgery;

[0025] First limiting plates 11 are fixedly installed on both sides of the clamping block 6. The first limiting plates 11 are arranged to limit the clamping block 6. There are two first limiting plates 11.

[0026] Second limiting plates 12 are fixedly installed on both sides of the pressing plate 7. The second limiting plates 11 are arranged to limit the pressing plate 7. There are two second limiting plates 12.

[0027] A first slot 13 is provided at one end of the connector 8. The first slot 13 is provided to install the clamp 4. Second slots are provided on the inner wall of the first slot 13.

[0028] Both sides of the clamp head 4 are provided with first mounting grooves 14, and the first mounting grooves 14 are provided to mount the first spring 5, and the inner walls of the first mounting grooves 14 are provided with first limiting grooves 15 in sequence;

[0029] Second mounting grooves are provided on both sides of the connector 8. The second mounting grooves are provided to mount the pressure plate 7. Second limiting grooves are provided on the inner walls of the second mounting grooves in sequence.

[0030] In the utility model, the working steps of the device are as follows:

[0031] The first step: the splicing rod 3 can be spliced ​​with the round-headed needle body 1 through the threaded rod 2 according to the use requirements. After use, the medical staff presses the pressure plate 7 to drive the clamping block 6 to compress the first spring 5, so that the clamping head 4 can be removed, which makes it convenient to replace it and thus fully disinfect it. The anti-slip sleeve 10 can prevent it from slipping out of the hand and causing the round-headed needle body 1 to fall to the ground and cause infection.

[0032] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0033] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spliced ​​round-pointed needle, comprising a round-pointed needle body (1), characterized in that: One end of the round-head needle body (1) is threadedly connected to a threaded rod (2), one end of the threaded rod (2) is fixedly installed with a splicing rod (3), one end of the splicing rod (3) is fixedly installed with a clamping head (4), the inner bottom wall of the clamping head (4) is fixedly installed with a first spring (5) in turn, the upper end of the first spring (5) is fixedly installed with a clamping block (6), the upper end of the clamping block (6) is movably connected with a pressure plate (7), the surface of the pressure plate (7) is slidably connected with a connecting head (8), a handle (9) is fixedly installed on one side of the connecting head (8), and the surface of the handle (9) is sleeved with an anti-slip sleeve (10).

2. A spliced ​​round-point needle according to claim 1, characterized in that: First limit plates (11) are fixedly mounted on both sides of the clamping block (6), and the number of the first limit plates (11) is two.

3. A spliced ​​round-point needle according to claim 1, characterized in that: Second limit plates (12) are fixedly mounted on both sides of the pressing plate (7), and the number of the second limit plates (12) is two.

4. A spliced ​​round-point needle according to claim 1, characterized in that: A first slot (13) is provided at one end of the connector (8), and second slots are provided in sequence on the inner wall of the first slot (13).

5. The spliced ​​round-point needle according to claim 1, characterized in that: First installation grooves (14) are provided on both sides of the clamping head (4), and first limiting grooves (15) are provided in sequence on the inner walls of the first installation grooves (14).

6. The spliced ​​round-point needle according to claim 1, characterized in that: Second installation grooves are provided on both sides of the connector (8), and second limiting grooves are provided in sequence on the inner walls of the second installation grooves.

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