Surgical imbibition hemostasis tungsten needle capable of hiding needle head

By designing a surgical tungsten needle with sliding opening, movable seat and gear pulley mechanism, the problem that the tungsten needle cannot be hidden is solved, and the hiding and exposure control of the needle is achieved, reducing the risk of mispriming and improving the safety of use.

CN222585137UActive Publication Date: 2025-03-11BEIJING RONGKANGTAI MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202420730291.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-03-11
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

Existing tungsten needles cannot hide the needle during use, resulting in exposure of the needle and increasing the risk of false stabbing.

Method used

A tungsten needle for surgical suction and hemostatic surgery is designed. It has sliding openings on both sides of the shell, and a movable seat and a connecting block are provided inside. Through the cooperation of gears and pulleys, the movable seat can be moved up or down through the rotation of the screwing block, thereby hiding or exposing the tungsten needle.

Benefits of technology

The tungsten needle is hidden, the risk of missting is reduced, and the safety of use is improved. The stability of the tungsten needle body is improved through structures such as rubber pads and limit holes.

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Abstract

The utility model relates to the technical field of medical instruments, and provides a surgical imbibition hemostasis tungsten needle capable of hiding a needle head, which comprises a shell, sliding ports are arranged on two sides of the shell, a movable seat is arranged in the shell, connecting blocks are welded on two sides of the movable seat, one end of each connecting block extends to the corresponding sliding port, and the other end of each connecting block extends to the corresponding sliding port. A gear is arranged on one connecting block; according to the liquid-absorbing and bleeding-stopping tungsten needle capable of hiding the needle head for the surgical operation, a gear can be made to ascend and descend on a tooth groove by rotating a screwing block, a movable seat can be made to move upwards by anticlockwise screwing the screwing block, the tungsten needle head is driven to be retracted into a shell, then the tungsten needle head is hidden, and the tungsten needle head is prevented from being exposed outside when not used; the risk of mistaken touch is reduced, the use safety of the tungsten needle is improved, the movable seat can move more smoothly through the pulley, the insertion rod can be inserted into the insertion hole by pressing the pressing plate, and the position of the pulley can be fixed.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and in particular to a tungsten needle for surgical operation with a hidden needle head for hemostasis. Background Art

[0002] Tungsten needle is a tungsten product made of pure tungsten or tungsten alloy with a slender structure. Tungsten needle has become an important raw material for the production of needle tubes, needles, pliers, blades, and X-ray tubes in the field of medical devices due to its advantages such as non-toxicity, non-radioactivity, high density, good chemical stability and biocompatibility. In surgical operations, tungsten needles are often used to absorb fluids and stop bleeding.

[0003] A Chinese patent discloses a high-strength and high-hardness tungsten needle, with the publication number CN216938896U. The article states that "a slide groove is provided on the outer side of the tungsten needle, and a special-shaped groove is provided on the inner side of the bottom end of the tungsten needle." However, the existing technology cannot shrink and hide the needle head of the tungsten needle, resulting in the needle head being exposed to the outside, which is prone to accidental puncture during surgery and is dangerous. Therefore, it is very necessary to design a surgical tungsten needle for hemostasis with hidden needle head. Utility Model Content

[0004] The utility model aims to provide a tungsten needle for surgical hemostasis with hidden needle tip, which solves the problem in the related art that the needle tip of the tungsten needle cannot be retracted and hidden during use, resulting in the needle tip being exposed to the outside and prone to accidental punctures during surgery.

[0005] The technical solution of the utility model is as follows:

[0006] A surgical hemostatic tungsten needle with hidden needle head comprises a shell, both sides of the shell are provided with sliding openings, a movable seat is provided inside the shell, and connecting blocks are welded on both sides of the movable seat, one end of the connecting block extends to the sliding opening, a gear is provided on one connecting block, a pulley is provided on the other connecting block, a tooth groove is provided on the outer wall of one sliding opening, and the tooth groove is meshed with the gear, a first bracket is welded on the outside of one sliding opening, and a first moving opening is provided on the outer wall of the first bracket, a twisting block is welded on the gear, and the other end of the twisting block passes through the first moving opening and extends to the outside of the first bracket, a second bracket is welded on the outside of the other sliding opening, and a second moving opening is provided on the outer wall of the second bracket, and a plurality of jacks are provided on the second moving opening, a pressing plate is fixed to the pulley through a telescopic rod, and plug rods are welded on both ends of the pressing plate.

[0007] Preferably, the diameter of the insertion rod is equal to the diameter of the insertion hole, and the end of the insertion rod away from the pressing plate is inserted and installed in the insertion hole, and the insertion holes are evenly distributed on the second movable opening in the vertical direction.

[0008] Preferably, a tungsten needle body is provided inside the shell, and the top end of the tungsten needle body is fixedly connected to the movable seat through a thread, a connecting tube is provided on the top of the shell, and an exhaust pipe is provided at the bottom of the connecting tube, and one end of the exhaust pipe away from the connecting tube is plugged into and connected to the top end of the tungsten needle body, and a liquid suction groove is provided inside the tungsten needle body.

[0009] Preferably, the exhaust pipe is a corrugated telescopic pipe.

[0010] Preferably, a rubber pad is glued to one end of the bottom of the housing, and a limiting hole is provided in the center of the rubber pad, and the diameter of the limiting hole is equal to the diameter of the tungsten needle body.

[0011] Preferably, a sealing plate is installed at the bottom of the housing via a rotating shaft, and a sealing gasket is glued to the sealing plate.

[0012] Preferably, two anti-skid pads are glued to the outer wall of the shell, and the outer wall of the anti-skid pad is corrugated, and the anti-skid pad is made of rubber material.

[0013] Preferably, the outer wall of the movable seat is tightly fitted with the inner wall of the shell.

[0014] Beneficial effects of the utility model:

[0015] 1. The gear can be raised and lowered on the tooth groove by rotating the screw block. The movable seat can be moved upward by turning the screw block counterclockwise, driving the tungsten needle head to be retracted into the shell, thereby hiding the tungsten needle head and preventing the tungsten needle head from being exposed to the outside when not in use, reducing the risk of accidental touch, and helping to improve the safety of tungsten needle use. The pulley can be used to make the movable seat move more smoothly. By pressing the pressing plate, the rod can be inserted into the socket, which can fix the position of the pulley. At the same time, the position of the movable seat and the tungsten needle body can be fixed.

[0016] 2. The rubber pad and the limit hole can play a limiting role when the tungsten needle body is extended, which is beneficial to ensure the stability of the tungsten needle body and avoid deviation during use. The sealing plate and the sealing pad can block the bottom of the shell, which is beneficial to improve the protection effect. The anti-slip pad can increase the friction between the medical staff's hands and the shell, reducing the risk of slipping out of the hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is an isometric view of the entire utility model;

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

[0020] Figure 3 This is the overall front view of the utility model;

[0021] Figure 4 This is an overall side view of the utility model;

[0022] Figure 5 It is the overall cross-sectional view a of the utility model;

[0023] Figure 6 This is the overall cross-sectional view b of the utility model;

[0024] In the figure: 1. shell; 2. sliding mouth; 3. movable seat; 4. connecting block; 5. gear; 6. pulley; 7. tooth groove; 8. first bracket; 9. first moving mouth; 10. screw block; 11. second bracket; 12. second moving mouth; 13. jack; 14. pressing plate; 15. insertion rod; 16. tungsten needle body; 17. connecting pipe; 18. exhaust pipe; 19. liquid suction groove; 20. rubber pad; 21. limit hole; 22. sealing plate; 23. sealing pad; 24. anti-slip pad. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0026] like Figure 1-6As shown, this embodiment provides a surgical hemostatic tungsten needle with hidden needle tip, comprising a shell 1, a sliding opening 2 is provided on both sides of the shell 1, a movable seat 3 is provided inside the shell 1, and connecting blocks 4 are welded on both sides of the movable seat 3, one end of the connecting block 4 extends to the sliding opening 2, a gear 5 is provided on one connecting block 4, a pulley 6 is provided on the other connecting block 4, a tooth groove 7 is provided on the outer wall of one sliding opening 2, and the tooth groove 7 is meshed with the gear 5, a first bracket 8 is welded on the outside of one sliding opening 2, and a first moving opening 9 is provided on the outer wall of the first bracket 8, a twisting block 10 is welded on the gear 5, and the other end of the twisting block 10 passes through the first moving opening 9 and extends to the outside of the first bracket 8. A second bracket 11 is welded to the outside of the other sliding opening 2, and a second moving opening 12 is opened on the outer wall of the second bracket 11, and a plurality of plug holes 13 are opened on the second moving opening 12. A pressing plate 14 is fixed to the pulley 6 through a telescopic rod, and plug rods 15 are welded to both ends of the pressing plate 14. The diameter of the plug rod 15 is equal to the diameter of the plug hole 13, and the end of the plug rod 15 away from the pressing plate 14 is plugged and installed in the plug hole 13. The plug holes 13 are evenly distributed on the second moving opening 12 in the vertical direction. By pressing the pressing plate 14, the plug rod 15 can be inserted into the plug hole 13, thereby fixing the position of the pulley 6. A tungsten needle body 16 is provided inside the housing 1, and the tungsten needle body The top end of 16 is fixedly connected to the movable seat 3 through a thread, a connecting tube 17 is provided on the top of the shell 1, and an exhaust pipe 18 is provided at the bottom of the connecting tube 17. The end of the exhaust pipe 18 away from the connecting tube 17 is plugged and connected with the top end of the tungsten needle body 16. A liquid suction groove 19 is provided inside the tungsten needle body 16. By connecting the connecting tube 17 to the liquid pump, a negative pressure can be generated in the liquid suction groove 19 under the action of the exhaust pipe 18, so that the tungsten needle body 16 can stop bleeding by aspirating liquid. The exhaust pipe 18 is a corrugated telescopic tube. When the tungsten needle body 16 extends outward, the exhaust pipe 18 can be extended. A rubber pad 20 is glued to one end of the bottom of the shell 1, and the central opening of the rubber pad 20 A limiting hole 21 is provided, and the diameter of the limiting hole 21 is equal to the diameter of the tungsten needle body 16. The rubber pad 20 and the limiting hole 21 can play a limiting role when the tungsten needle body 16 is extended. A sealing plate 22 is installed at the bottom of the shell 1 through a rotating shaft, and a sealing pad 23 is glued on the sealing plate 22. The bottom of the shell 1 can be shielded by the sealing plate 22 and the sealing pad 23, which is beneficial to improve the protection effect. Two anti-slip pads 24 are glued to the outer wall of the shell 1, and the outer wall of the anti-slip pad 24 is corrugated. The anti-slip pad 24 is made of rubber material. The friction between the hands of medical staff and the shell 1 can be increased by the anti-slip pad 24, and the outer wall of the movable seat 3 is tightly fitted with the inner wall of the shell 1.

[0027] In this embodiment, when in use, the gear 5 can be raised and lowered on the tooth groove 7 by rotating the screw block 10, and the screw block 10 can be turned clockwise to drive the tungsten needle body 16 to move downward using the movable seat 3, so that the tungsten needle body 16 can be extended out of the housing 1. The rubber pad 20 and the limiting hole 21 can play a limiting role when the tungsten needle body 16 is extended, which is beneficial to ensure the stability of the tungsten needle body 16 and avoid deviation during use. By pressing the pressing plate 14, the insertion rod 15 can be inserted into the insertion hole 13, and the position of the pulley 6 can be fixed. At the same time, the position of the movable seat 3 and the tungsten needle body 16 can be adjusted. The movable seat 3 is fixed by the pulley 6, and the movement of the movable seat 3 can be made smoother by connecting the connecting tube 17 to the liquid pumping machine. Under the action of the suction tube 18, negative pressure can be generated in the liquid suction groove 19, so that the tungsten needle body 16 can stop bleeding by aspirating liquid. By turning the screw block 10 counterclockwise, the movable seat 3 can be moved up, and the tungsten needle body 16 can be retracted into the outer shell 1, thereby hiding the tungsten needle body 16. The bottom of the outer shell 1 can be shielded by the sealing plate 22 and the sealing pad 23, which is beneficial to improve the protection effect. The friction between the hands of medical staff and the outer shell 1 can be increased by the anti-slip pad 24.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A surgical hemostatic tungsten needle with a hidden needle head, comprising a housing (1), characterized in that: The outer shell (1) is provided with a sliding opening (2) on both sides, a movable seat (3) is provided inside the outer shell (1), and connecting blocks (4) are welded on both sides of the movable seat (3), one end of the connecting block (4) extends to the sliding opening (2), a gear (5) is provided on one connecting block (4), a pulley (6) is provided on the other connecting block (4), a tooth groove (7) is provided on the outer wall of one sliding opening (2), and the tooth groove (7) is meshed with the gear (5), a first bracket (8) is welded on the outside of one sliding opening (2), and the first bracket (8) is provided with a tooth groove (7) on the outer wall of the sliding opening (2), and the first bracket (8) is provided with a tooth groove (7) on the outer wall of the sliding opening (2). A first moving opening (9) is provided on the outer wall, a screw block (10) is welded on the gear (5), and the other end of the screw block (10) passes through the first moving opening (9) and extends to the outside of the first bracket (8), a second bracket (11) is welded on the outside of the other sliding opening (2), and a second moving opening (12) is provided on the outer wall of the second bracket (11), and a plurality of insertion holes (13) are provided on the second moving opening (12), a pressing plate (14) is fixed on the pulley (6) through a telescopic rod, and insertion rods (15) are welded at both ends of the pressing plate (14).

2. According to claim 1, a surgical hemostatic tungsten needle with a hidden needle head, characterized in that: The diameter of the insertion rod (15) is equal to the diameter of the insertion hole (13), and one end of the insertion rod (15) away from the pressing plate (14) is inserted and installed in the insertion hole (13), and the insertion holes (13) are evenly distributed on the second moving port (12) in the vertical direction.

3. The surgical hemostatic tungsten needle with a hidden needle head according to claim 1 is characterized in that: A tungsten needle body (16) is provided inside the shell (1), and one end of the top of the tungsten needle body (16) is fixedly connected to the movable seat (3) through a thread, a connecting tube (17) is provided on the top of the shell (1), and an exhaust pipe (18) is provided at the bottom of the connecting tube (17), and one end of the exhaust pipe (18) away from the connecting tube (17) is plugged and connected to one end of the top of the tungsten needle body (16), and a liquid suction groove (19) is provided inside the tungsten needle body (16).

4. The surgical hemostatic tungsten needle with a hidden needle tip according to claim 3 is characterized in that: The air extraction pipe (18) is a corrugated telescopic pipe.

5. The surgical hemostatic tungsten needle with a hidden needle tip according to claim 3 is characterized in that: A rubber pad (20) is glued to one end of the bottom of the housing (1), and a limiting hole (21) is provided in the center of the rubber pad (20), wherein the diameter of the limiting hole (21) is equal to the diameter of the tungsten needle body (16).

6. The surgical hemostatic tungsten needle with hidden needle tip according to claim 1, characterized in that: A sealing plate (22) is installed at the bottom of the housing (1) via a rotating shaft, and a sealing gasket (23) is glued onto the sealing plate (22).

7. The surgical hemostatic tungsten needle with a hidden needle head according to claim 1 is characterized in that: Two anti-skid pads (24) are glued to the outer wall of the housing (1), and the outer wall of the anti-skid pad (24) is corrugated. The anti-skid pad (24) is made of rubber material.

8. The surgical hemostatic tungsten needle with a concealed needle head according to claim 1 is characterized in that: The outer wall of the movable seat (3) is tightly fitted with the inner wall of the outer shell (1).

Citation Information

Patent Citations

  • High-strength and high-hardness tungsten needle

    CN216938896U