Depth-adjustable lancet

Through the coordination of the knob, bump, threaded rod and bottom baffle of the deep-adjustable lancet, the problem that the existing lancet cannot quickly adjust the depth of the needle application is solved, and the precise control of the needle length and the stability and adaptability of the device are achieved, reducing the risk of pain and cross-infection in patients.

CN223287224UActive Publication Date: 2025-09-02王凯
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Patent Information

Application Number
CN202422187132.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-09-02
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The existing lancet structure cannot quickly adjust the depth of the needle application, causing pain in the patient and risk of cross-infection.

Method used

The depth-adjustable lancet is adopted to achieve precise control of the needle length through the cooperation of knobs, bumps, threaded rods and bottom baffles, and improve the adaptability and stability of the device through the limiting mechanism and the rapid disassembly mechanism.

Benefits of technology

Accurate adjustment of needle length is achieved, reducing patient pain, avoiding cross infection, and improving the adaptability and stability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a depth-adjustable lancet, which relates to the technical field of traditional Chinese medicine and comprises a holding component, a limiting mechanism is arranged in the holding component, and a quick dismounting mechanism is arranged on the surface of the limiting mechanism. The protruding blocks on the surface of the knob are screwed, friction force is increased through the protruding blocks on the surface of the knob, slipping is avoided, when the knob is screwed, the threaded rod rotates downwards in a threaded mode, meanwhile, the bottom baffle is driven to move downwards, the bottom baffle is adjusted to a proper position according to the requirement of a user, and the length, higher than the bottom baffle, of a pricking needle is the needle applying length at the moment. When a patient is subjected to needle insertion, an insertion needle makes contact with the skin of the patient, and when the skin makes contact with the bottom baffle, the insertion needle cannot advance, so that a needle applicator can accurately control the needle application length, pain of the patient is relieved, the bottom baffle is screwed down after use, and blood and sweat stains contaminated on the surface of the bottom baffle are cleaned; and therefore, cross infection is avoided during use next time, and the adaptability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of traditional Chinese medicine, in particular to a depth-adjustable lancet. Background Art

[0002] Bloodletting therapy is an effective treatment method guided by the basic theories of traditional Chinese medicine. It uses bloodletting to eliminate evil spirits and achieve the purpose of harmonizing qi and blood, balancing yin and yang, and restoring positive energy. It is suitable for all kinds of diseases caused by "diseases in the blood vessels".

[0003] Patent publication number CN2910121Y discloses a lancet, comprising a triangular needle 3, a needle handle 1 and a base 2. There are five triangular needles 3, which are located on the lower bottom surface of the base 2. The five needles are arranged with four needles fixed at the four corners of a square, and the fifth needle is at the intersection of the diagonals of the squares occupied by the other four needles, and is slightly higher than the other four needles by 0.05 mm.

[0004] In order to solve the problem of avoiding multiple and repeated needle insertions, the existing technology adopts a structure including a needle handle and a base, wherein the triangular needle is one or more than one triangular needle, which is located on the lower bottom surface of the base, and the needle handle is located on the upper bottom surface of the base. However, there is still a problem that the depth of the needle cannot be quickly adjusted, which causes pain to the patient. Utility Model Content

[0005] The purpose of the present utility model is to provide a depth-adjustable lancet to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A depth-adjustable lancet comprises a gripping assembly, wherein a limiting mechanism is arranged inside the gripping assembly, and a quick-detaching mechanism is arranged on the surface of the limiting mechanism.

[0008] The limiting mechanism includes a threaded rod, which is threadedly connected to the inside of the gripping assembly. A knob is fixedly installed on the top of the threaded rod, and a bump is fixedly installed on the surface of the knob. The bumps are provided in multiple groups and are evenly distributed on the surface of the knob. The bottom end of the threaded rod is threadedly connected to a bottom baffle.

[0009] A further improvement of the technical solution of the present utility model is that: the holding assembly includes a handle, the handle is threadedly connected to the surface of the threaded rod, a gear handle is fixedly installed on the top of the handle, the gear handle is threadedly connected to the surface of the threaded rod, the surface of the handle is provided with rubber anti-slip grooves, the rubber anti-slip grooves are provided in multiple groups, and the rubber anti-slip grooves are evenly distributed on the surface of the handle.

[0010] A further improvement of the technical solution of the present utility model is that: the quick disassembly mechanism includes an upper fixing plate, the upper fixing plate is fixedly installed on the bottom end of the handle, the surface of the upper fixing plate is provided with a threaded hole, the threaded hole is threadedly connected to the surface of the threaded rod, and the bottom end of the upper fixing plate is fixedly installed with a fixed limiting column, and the fixed limiting columns are provided in six groups, and the fixed limiting columns are grouped into three and are parallel and symmetrically distributed at the bottom end of the upper fixing plate.

[0011] A further improvement of the technical solution of the present utility model is that: the surface of the upper fixing plate is provided with grooves, and the grooves are provided in two groups, and the grooves are symmetrically distributed on the surface of the upper fixing plate.

[0012] A further improvement of the technical solution of the present utility model is that: a fixing rod is fixedly installed on the surface of the groove, a spring is movably installed on the surface of the fixing rod, one end of the spring is fixedly installed on the surface of the first fixed block, and the other end of the spring is fixedly installed on the surface of the groove, a movable seat is movably installed on the surface of the fixing rod, a movable plate is fixedly installed on the surface of the movable seat, and the first fixed block is fixedly installed on the surface of the movable plate.

[0013] A further improvement of the technical solution of the present utility model is that: a lower fixing plate is movably installed on the surface of the upper fixing plate, a connecting hole is provided on the surface of the lower fixing plate, the connecting hole is movably installed on the surface of the threaded rod, a limiting seat is fixedly installed on the surface of the lower fixing plate, a fixing hole is provided on the surface of the lower fixing plate, the fixing hole is adapted to the fixed limiting column, an insertion hole is provided inside the fixing hole, the insertion hole passes through the lower fixing plate, a limiting hole is provided on the surface of the fixing hole, two groups of limiting holes are provided, the limiting holes are symmetrically distributed on the surface of the fixing hole, a second fixing block is fixedly installed on the surface of the lower fixing plate, and the second fixing block is adapted to the first fixing block.

[0014] A further improvement of the technical solution of the present utility model is that: the quick disassembly mechanism also includes a fixing seat, which is movably installed inside the fixing hole, and a limiting column is fixedly installed on the surface of the fixing seat, and two groups of limiting columns are provided, and the limiting columns are adapted to the limiting holes. A puncture needle is fixedly installed on the surface of the fixing seat, and the puncture needle is adapted to the socket, and the puncture needle is movably installed inside the second fixed block.

[0015] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0016] 1. The utility model provides a depth-adjustable lancet, which adopts the cooperation of a knob, a protrusion, a threaded rod, and a bottom baffle. By twisting the protrusion, the protrusion on the surface of the knob increases friction to avoid slipping. When the knob is twisted, the threaded rod rotates downward, and at the same time drives the bottom baffle to move downward. The bottom baffle is adjusted to a suitable position according to the user's needs. At this time, the length of the needle above the bottom baffle is the length of the needle. When the patient is acupunctured, the needle contacts the patient's skin. When the skin contacts the bottom baffle, the needle cannot move forward, so that the acupuncturist can accurately control the length of the needle and reduce the patient's pain. After use, the bottom baffle is unscrewed and the blood and sweat stains on the surface of the bottom baffle are cleaned, so that there will be no cross infection when it is used next time, thereby improving the adaptability of the device.

[0017] 2. The utility model provides a depth-adjustable lancet, which adopts the cooperation of an upper fixed plate, a fixed limiting column, a groove, a movable plate, a first fixed block, a fixed rod, a movable seat, a spring, a threaded hole, a lower fixed plate, a fixed hole, a limiting hole, a socket, a second fixed block, a puncture needle, a connecting hole, a fixed seat, a limiting column, and a limiting seat. By removing the bottom baffle, the connecting hole is aligned with the bottom baffle and inserted, the limiting column is aligned with the limiting hole, the puncture needle is aligned with the socket, and the puncture needle is inserted into the socket. At this time, the socket restricts the rotation of the limiting column, and at the same time, the limiting seat on the surface of the lower fixed plate fixes the puncture needle. The upper fixed plate is aligned with the lower fixed plate. At this time, the fixed limiting column is aligned with the fixed hole. When the second fixed block contacts the first fixed block, the second fixed The inclined surface of the card block and the first fixed card block surface causes the first fixed card block to drive the movable seat to move in a circle with the fixed rod as the center of the circle. At the same time, the first fixed card block and the groove squeeze the spring on the surface of the fixed rod, and the first fixed card block is tilted so that the second fixed card block is engaged with the first fixed card block. The spring rebound pushes the first fixed card block so that the first fixed card block and the fixed limit column are inserted into the fixed hole at the same time, and the fixed limit column squeezes the fixed seat so that the fixed seat is completely fixed. When the needle needs to be replaced, the bottom baffle is removed and the movable plate is pressed to lift the first fixed card block at one end of the movable plate, and the second fixed card block is disengaged from the first fixed card block. The lower fixed plate is taken out and the needle can be disassembled, thereby improving the adaptability of the device.

[0018] 3. The utility model provides a depth-adjustable lancet, which adopts the combination of a grip, a stopper and rubber anti-skid patterns. By arranging the rubber anti-skid patterns on the surface of the grip, the user will not lose the device due to unstable grip when using it, thereby improving the stability of the device. When in use, the user holds the grip and raises his hand to apply force, and the stopper continues to block the hand to further prevent the device from falling out of the hand during rapid acupuncture, thereby improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic structural diagram of the axial view of the utility model;

[0021] Figure 3 This is a schematic structural diagram of the limiting mechanism of the utility model;

[0022] Figure 4 This is a structural diagram of the upper fixing plate of the utility model;

[0023] Figure 5 This is a structural diagram of the lower fixing plate of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the fixing seat of the utility model.

[0025] In the figure: 1. Grip assembly; 11. Grip; 12. Gear lever; 13. Rubber anti-slip groove; 2. Limiting mechanism; 21. Knob; 22. Bump; 23. Threaded rod; 24. Bottom baffle; 3. Quick release mechanism; 301. Upper fixed plate; 302. Fixed limiting column; 303. Groove; 304. Movable plate; 305. First fixed block; 306. Fixed rod; 307. Movable seat; 308. Spring; 309. Threaded hole; 310. Lower fixed plate; 311. Fixed hole; 312. Limiting hole; 313. Socket; 314. Second fixed block; 315. Needle; 316. Connecting hole; 317. Fixed seat; 318. Limiting column; 319. Limiting seat. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below with reference to the embodiments:

[0027] Example 1

[0028] like Figure 1-6 As shown, the utility model provides a depth-adjustable lancet, comprising a gripping assembly 1, a limiting mechanism 2 being arranged inside the gripping assembly 1, a quick-disassembly mechanism 3 being arranged on the surface of the limiting mechanism 2, the limiting mechanism 2 comprising a threaded rod 23, the threaded rod 23 being threadedly connected to the inside of the gripping assembly 1, a knob 21 being fixedly mounted on the top end of the threaded rod 23, a bump 22 being fixedly mounted on the surface of the knob 21, the bump 22 being arranged in multiple groups, the bumps 22 being evenly distributed on the surface of the knob 21, and a bottom baffle 24 being threadedly connected to the bottom end of the threaded rod 23.

[0029] In this embodiment, by twisting the protrusion 22, the protrusion 22 on the surface of the knob 21 increases friction to prevent slipping. When the knob 21 is twisted, the threaded rod 23 rotates downward, and at the same time drives the bottom baffle 24 to move downward. The bottom baffle 24 is adjusted to a suitable position according to the user's needs. At this time, the length of the needle 315 above the bottom baffle 24 is the length of the needle. When the patient is acupunctured, the needle 315 contacts the patient's skin. When the skin contacts the bottom baffle 24, the needle 315 cannot move forward, so that the acupuncturist can accurately control the length of the needle and reduce the patient's pain. After use, the bottom baffle 24 is unscrewed and the blood and sweat stains on the surface of the bottom baffle 24 are cleaned, so that there will be no infection when it is used next time, thereby improving the adaptability of the device.

[0030] Example 2

[0031] like Figure 1-6As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the quick disassembly mechanism 3 includes an upper fixing plate 301, the upper fixing plate 301 is fixedly mounted on the bottom end of the handle 11, the surface of the upper fixing plate 301 is provided with a threaded hole 309, the threaded hole 309 is threadedly connected to the surface of the threaded rod 23, the bottom end of the upper fixing plate 301 is fixedly mounted with a fixed limiting column 302, the fixed limiting column 302 is provided with six groups, three fixed limiting columns 302 are arranged in a group, and are parallel and symmetrically distributed at the bottom end of the upper fixing plate 301, and the surface of the upper fixing plate 301 is provided with a groove 303 , there are two groups of grooves 303, which are symmetrically distributed on the surface of the upper fixed plate 301, and a fixing rod 306 is fixedly installed on the surface of the groove 303, and a spring 308 is movably installed on the surface of the fixing rod 306, one end of the spring 308 is fixedly installed on the surface of the first fixed block 305, and the other end of the spring 308 is fixedly installed on the surface of the groove 303, and a movable seat 307 is movably installed on the surface of the fixing rod 306, and a movable plate 304 is fixedly installed on the surface of the movable seat 307, and the first fixed block 305 is fixedly installed on the surface of the movable plate 304. The surface of the upper fixed plate 301 The surface is movably mounted with a lower fixing plate 310, and a connecting hole 316 is provided on the surface of the lower fixing plate 310. The connecting hole 316 is movably mounted on the surface of the threaded rod 23. A limiting seat 319 is fixedly installed on the surface of the lower fixing plate 310. A fixing hole 311 is provided on the surface of the lower fixing plate 310. The fixing hole 311 is adapted to the fixed limiting column 302. A socket 313 is provided inside the fixing hole 311. The socket 313 passes through the lower fixing plate 310. A limiting hole 312 is provided on the surface of the fixing hole 311. The limiting holes 312 are provided in two groups, and the limiting holes 312 are symmetrically distributed on the fixing hole 311. The surface of the lower fixed plate 310 is fixedly installed with a second fixed block 314, and the second fixed block 314 is adapted to the first fixed block 305. The quick disassembly mechanism 3 also includes a fixing seat 317, and the fixing seat 317 is movably installed inside the fixing hole 311. The surface of the fixing seat 317 is fixedly installed with a limiting column 318, and the limiting column 318 is provided with two groups. The limiting column 318 is adapted to the limiting hole 312. The surface of the fixing seat 317 is fixedly installed with a puncture needle 315, and the puncture needle 315 is adapted to the socket 313. The puncture needle 315 is movably installed inside the second fixed block 314.

[0032] When the locking cam 314 is unlocked, the locking cam 314 is unlocked, and the locking cam 314 is unlocked, so that the cam 314 can be unlocked. When the puncture needle 315 needs to be replaced, the bottom baffle 24 is removed and the movable plate 304 is pressed to lift the first fixed block 305 at one end of the movable plate 304, and the second fixed block 314 is disengaged from the first fixed block 305. The lower fixed plate 310 is taken out and the puncture needle 315 can be removed, thereby improving the adaptability of the device.

[0033] Example 3

[0034] like Figure 1-6 As shown, based on Example 1, the utility model provides a technical solution: preferably, the grip assembly 1 includes a grip 11, the grip 11 is threadedly connected to the surface of the threaded rod 23, a gear lever 12 is fixedly installed on the top of the grip 11, the gear lever 12 is threadedly connected to the surface of the threaded rod 23, and the surface of the grip 11 is provided with rubber anti-slip grooves 13, and the rubber anti-slip grooves 13 are provided in multiple groups, and the rubber anti-slip grooves 13 are evenly distributed on the surface of the grip 11.

[0035] In this embodiment, rubber anti-slip grooves 13 are provided on the surface of the handle 11 to prevent the user from losing the grip due to unstable grip during use, thereby improving the stability of the device. When in use, the user holds the handle 11 and raises his hand to apply force, so that the blocking handle 12 continues to block the hand to further prevent the device from losing the grip during rapid acupuncture, thereby improving the adaptability of the device.

[0036] The working principle of this depth-adjustable lancet is described in detail below.

[0037] like Figure 1-6As shown, by providing rubber anti-skid grooves 13 on the surface of the handle 11, the user will not lose his hand due to unstable grip during use, thereby improving the stability of the device. When in use, the user holds the handle 11, and when raising his hand to apply force, the blocking handle 12 continues to block the hand to further prevent the device from losing his hand during rapid acupuncture. At the same time, remove the bottom baffle 24, align the connecting hole 316 with the bottom baffle 24 and insert it, align the limiting column 318 with the limiting hole 312, align the puncture needle 315 with the socket 313, and insert the puncture needle 315 into the socket 313. At this time, the socket 313 limits the rotation of the limiting column 318, and at the same time, the limiting seat 319 on the surface of the lower fixed plate 310 is aligned with the limiting hole 312. The needle 315 is fixed, and the upper fixing plate 301 is aligned with the lower fixing plate 310. At this time, the fixed limit column 302 is aligned with the fixing hole 311. When the second fixing block 314 contacts the first fixing block 305, the second fixing block 314 and the inclined surface of the first fixing block 305 make the first fixing block 305 drive the movable seat 307 to move in a circle with the fixing rod 306 as the center seat. At the same time, the first fixing block 305 and the groove 303 squeeze the spring 308 on the surface of the fixing rod 306, and the first fixing block 305 is tilted so that the second fixing block 314 is engaged with the first fixing block 305, and the spring 308 rebounds to push the first fixing block The first fixing block 305 and the fixing limit column 302 are inserted into the fixing hole 311 at the same time, and the fixing limit column 302 squeezes the fixing seat 317 so that the fixing seat 317 is completely fixed, and the protrusion 22 is turned. At this time, the protrusion 22 on the surface of the knob 21 increases the friction to prevent slipping. When the knob 21 is turned, the threaded rod 23 rotates downward, and at the same time drives the bottom baffle 24 to move downward. The bottom baffle 24 is adjusted to a suitable position according to the needs of the user. At this time, the length of the needle 315 higher than the bottom baffle 24 is the length of the needle. When the patient is acupunctured, the needle 315 contacts the patient's skin. When the skin contacts When the puncture needle 315 reaches the bottom baffle 24, the puncture needle 315 cannot move forward, so that the acupuncturist can accurately control the length of the acupuncture needle and reduce the patient's pain. After use, the bottom baffle 24 is unscrewed and the blood and sweat stains on the surface of the bottom baffle 24 are cleaned, so that there will be no cross infection when it is used next time. When the puncture needle 315 needs to be replaced, the bottom baffle 24 is removed, and the movable plate 304 is pressed to lift the first fixed block 305 at one end of the movable plate 304, and the second fixed block 314 is disengaged from the first fixed block 305. The lower fixed plate 310 is taken out, and the puncture needle 315 can be removed, thereby improving the adaptability of the device.

[0038] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A depth-adjustable lancet, comprising a grip assembly (1), characterized in that: A limiting mechanism (2) is provided inside the gripping assembly (1), and a quick-detachment mechanism (3) is provided on the surface of the limiting mechanism (2); The limiting mechanism (2) includes a threaded rod (23), the threaded rod (23) is threadedly connected to the inside of the gripping assembly (1), a knob (21) is fixedly mounted on the top end of the threaded rod (23), a bump (22) is fixedly mounted on the surface of the knob (21), the bumps (22) are provided in multiple groups, and the bumps (22) are evenly distributed on the surface of the knob (21), and the bottom end of the threaded rod (23) is threadedly connected to a bottom baffle (24).

2. The depth-adjustable lancet according to claim 1, characterized in that: The grip assembly (1) comprises a grip (11), wherein the grip (11) is threadedly connected to the surface of a threaded rod (23), a gear lever (12) is fixedly mounted on the top end of the grip (11), and the gear lever (12) is threadedly connected to the surface of the threaded rod (23), and the surface of the grip (11) is provided with rubber anti-slip grooves (13), wherein the rubber anti-slip grooves (13) are provided in multiple groups, and the rubber anti-slip grooves (13) are evenly distributed on the surface of the grip (11).

3. The depth-adjustable lancet according to claim 2, characterized in that: The quick disassembly mechanism (3) comprises an upper fixing plate (301), the upper fixing plate (301) being fixedly mounted on the bottom end of the handle (11), a threaded hole (309) being provided on the surface of the upper fixing plate (301), the threaded hole (309) being threadedly connected to the surface of the threaded rod (23), a fixed limiting column (302) being fixedly mounted on the bottom end of the upper fixing plate (301), the fixed limiting column (302) being provided in six groups, and the fixed limiting columns (302) being arranged in a group of three and being parallel and symmetrically distributed on the bottom end of the upper fixing plate (301).

4. The depth-adjustable lancet according to claim 3, characterized in that: The surface of the upper fixing plate (301) is provided with grooves (303), and the grooves (303) are provided in two groups. The grooves (303) are symmetrically distributed on the surface of the upper fixing plate (301).

5. The depth-adjustable lancet according to claim 4, characterized in that: A fixed rod (306) is fixedly mounted on the surface of the groove (303); a spring (308) is movably mounted on the surface of the fixed rod (306); one end of the spring (308) is fixedly mounted on the surface of the first fixed block (305); the other end of the spring (308) is fixedly mounted on the surface of the groove (303); a movable seat (307) is movably mounted on the surface of the fixed rod (306); a movable plate (304) is fixedly mounted on the surface of the movable seat (307); and a first fixed block (305) is fixedly mounted on the surface of the movable plate (304).

6. The depth-adjustable lancet according to claim 3, characterized in that: The surface of the upper fixing plate (301) is movably mounted with a lower fixing plate (310), the surface of the lower fixing plate (310) is provided with a connecting hole (316), the connecting hole (316) is movably mounted on the surface of the threaded rod (23), the surface of the lower fixing plate (310) is fixedly mounted with a limiting seat (319), the surface of the lower fixing plate (310) is provided with a fixing hole (311), the fixing hole (311) is adapted to the fixed limiting column (302), and the fixing hole ( A socket (313) is provided inside the fixing hole (311), and the socket (313) passes through the lower fixing plate (310). A limiting hole (312) is provided on the surface of the fixing hole (311), and two groups of limiting holes (312) are provided. The limiting holes (312) are symmetrically distributed on the surface of the fixing hole (311). A second fixing block (314) is fixedly installed on the surface of the lower fixing plate (310), and the second fixing block (314) is adapted to the first fixing block (305).

7. The depth-adjustable lancet according to claim 6, characterized in that: The quick disassembly mechanism (3) further comprises a fixing seat (317), the fixing seat (317) being movably mounted inside the fixing hole (311), a limiting column (318) being fixedly mounted on the surface of the fixing seat (317), two groups of limiting columns (318) being provided, the limiting columns (318) being adapted to the limiting hole (312), a puncture needle (315) being fixedly mounted on the surface of the fixing seat (317), the puncture needle (315) being adapted to the insertion hole (313), and the puncture needle (315) being movably mounted inside the second fixed block (314).

Citation Information

Patent Citations

  • Lancet

    CN2910121Y