Disposable medical thread embedding needle, kit and assembly method thereof
By designing a kit of handheld shells and hollow needles, the simultaneous placement and stable delivery of multiple wires are achieved, the risks of syringe contamination and infection are resolved, and the safety and ease of operation of the thread embedding needle are improved.
Patent Information
- Application Number
- CN202510078037.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2045-01-17
AI Technical Summary
During the use of disposable medical thread embedding needles, the thread needs to be reinserted after being buried subcutaneously once. Frequent operations can easily lead to contamination of the syringe, affecting the implantation effect and possibly causing infection.
A kit including a handheld shell, a hollow pin, a wire changing unit and a control mechanism was designed. The wire changing unit can be used to place multiple wires at one time, and the control mechanism can be used to achieve stable delivery and replacement of the wires, avoiding syringe contamination.
The safety and efficiency of suture implantation are improved, medical costs are reduced, the convenience and stability of operation are ensured, and the secondary use of syringes is prevented.
Smart Images

Figure CN119655840B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of thread embedding needles, in particular to a disposable medical thread embedding needle, a kit and an assembling method thereof. Background Art
[0002] Disposable medical thread embedding needles are a medical device used for traditional Chinese medicine meridian treatment. Threads made of special materials are embedded under the skin to stimulate the meridian acupoints to achieve the purpose of treating diseases.
[0003] It has the characteristics of hygiene and safety, convenience and speed, painless stimulation and good biocompatibility. It mainly consists of a needle and a syringe. The needle is used to be buried under the skin and is usually made of stainless steel or special materials with certain elasticity and toughness. The syringe is used to inject the needle under the skin and usually has a scale and an injection button.
[0004] During the use of disposable medical suture embedding needles and kits, after embedding the wire under the skin once, new wire needs to be put into the syringe again. During frequent operations, the syringe is easily contaminated, which will affect the subsequent implantation effect and even cause the problem of subsequent implantation infection. Therefore, to address the above problems, a disposable medical suture embedding needle, kit and assembly method thereof are proposed. Summary of the Invention
[0005] The purpose of the present invention is to provide a disposable medical suture embedding needle, a kit and an assembly method thereof, so as to solve the problem that during the use of the disposable medical suture embedding needle and the kit, after the wire is embedded in the lower part of the skin once, new wire needs to be put into the syringe again. During frequent operations, the syringe is easily contaminated, which affects the subsequent implantation effect and even causes subsequent implantation infection.
[0006] To achieve the above object, the present invention provides the following technical solutions:
[0007] The top end of the handle is fixedly provided with a toothed connecting strip, and the bottom end of the handle is fixedly provided with a toothed connecting strip, and the toothed connecting strip is fixedly provided with a toothed connecting strip.
[0008] As a further optimized content of the present invention, the connecting member includes a cylinder, and a vertical groove is opened on one side of the cylinder.
[0009] As a further optimization of the present invention, the control mechanism includes a fixed column, the inner side of the fixed column is slidably connected to a movable column via a second spring, the middle of the movable column is fixedly connected to a control rod, and the top of the movable column is fixedly connected to a pressing block.
[0010] As a further optimization of the present invention, the bottom end of the fixed column is fixedly connected to the first connecting plate, the angle between the control rod and the movable column is 90°, the control rod is cylindrical, and the control rod is slidingly connected to the cylinder through a vertical groove, the upper end of the movable column is slidingly connected to the second connecting plate, and the pressing block is arranged on the upper end of the second connecting plate.
[0011] As a further optimization of the present invention, the control ring includes a ring plate, a circular spiral guide groove is opened on the inner side of the ring plate, and the circular spiral guide groove has 12 upper vertices, and the upper vertices of the circular spiral guide groove correspond one to one with the connecting blocks.
[0012] As a further optimization of the present invention, there are 12 connecting blocks, and the sliders fixedly connected to the upper and lower ends of the connecting blocks are rotatably connected to the second connecting plate and the first connecting plate respectively through rotating grooves, and the first connecting plate and the second connecting plate are parallel.
[0013] As a further optimization of the present invention, the first connecting plate and the second connecting plate are connected to the upper and lower ends of the connecting frame through a bayonet, the upper end of the first connecting plate is located at the lower side of the upper end of the connecting frame, and the lower side of the telescopic end of the retractable block is tightly attached to the upper end of the connecting frame.
[0014] As a further optimization of the present invention, the bottom end of the push rod is arranged in an arc shape, and the arc-shaped portion of the bottom end of the push rod is arranged on the inner side of the upper end of the connecting frame.
[0015] As a further optimized content of the present invention, there are multiple wire storage drums, and the wire storage drums are distributed in an annular shape and equidistantly between the first connecting plate and the second connecting plate.
[0016] As a further optimized content of the present invention, the following steps are included:
[0017] Step I: Placing the absorbable sutures inside the spool: Based on the number of spools, place the absorbable sutures of required length inside the spools one by one;
[0018] Step II: Connect the line changing unit to the connecting frame: Insert the line changing unit from the bottom of the hollow pin into the position of the connecting frame, and then position the line changing unit by the position of the upper end of the first connecting plate and the lower end of the telescopic end of the telescopic block. After positioning is completed, disinfect the insertion end of the bottom of the hollow pin for subsequent use;
[0019] Step III: Delivering the absorbable suture wire inside the storage barrel through the hollow needle: When delivering the absorbable suture wire placed inside the storage barrel into the patient's body, first insert the hollow needle into the patient's body, and then control the pushing rod 3 through the grip 5 to insert the absorbable suture wire inside the storage barrel corresponding to the hollow needle into the patient's body, completing the operation, and then pull the hollow needle out of the patient's body. After pulling it out, press the pressing block, and the pressing block moves downward, and then drives the control rod to move downward through the moving column. During the downward movement of the control rod, the circular spiral guide groove drives the ring plate to rotate the storage barrel, loosens the block and presses the block, and the control rod continues to drive the ring plate to drive the storage barrel to rotate through the circular spiral guide groove, so that the next storage barrel with the absorbable suture wire placed inside is aligned with the connecting frame, and the next absorbable suture wire is implanted;
[0020] Step IV: Remove and disinfect the line-changing unit, and destroy the fixed connection part of the hollow needle: After the implantation is completed, the staff will remove and disinfect the line-changing unit for subsequent use, and destroy the hollow needle that has been in contact with the patient to avoid secondary use.
[0021] Compared with the prior art, the present invention has the following beneficial effects:
[0022] 1. In the present invention, the wire changing unit is provided, so that multiple wires can be placed into the device at one time and simultaneously. During the process of wire implantation at multiple locations, the problem of wire contamination when placed into the syringe can be effectively avoided, thereby improving the efficiency of wire implantation and the safety of wire implantation.
[0023] 2. In the present invention, the control mechanism can utilize the single reciprocating movement of the moving column in conjunction with the control rod and the control lever to stably move the next wire storage drum to a position inside the connecting frame, thereby improving the convenience of wire changing. At the same time, the rotation groove and the slider can further improve the stability of the wire storage drum during rotation.
[0024] 3. In the present invention, the retractable card block is provided to improve the stability and convenience of the line changing unit when installed on the outside of the connecting frame, and at the same time facilitates reuse in the future, reducing medical costs. In addition, the connecting frame and push rod provided can further improve the stability during operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0026] Figure 2 This is a schematic diagram of the internal structure of the hollow pin of the present invention;
[0027] Figure 3 This is a structural diagram of a line-changing unit according to the present invention;
[0028] Figure 4 This is a schematic diagram of the control ring installation position structure of the present invention;
[0029] Figure 5 Schematic diagram of the control mechanism structure of the present invention;
[0030] Figure 6 This is a schematic diagram of the control loop structure of the present invention;
[0031] Figure 7 Schematic diagram of the connector structure of the present invention.
[0032] In the figure: 1. Hand-held housing; 2. Hollow pin; 3. Push rod; 4. First spring; 5. Grip; 6. Connecting frame;
[0033] 7. Wire changing unit; 71. First connecting plate; 72. Rotating groove; 73. Bayonet; 74. Wire storage drum; 75. Connecting block; 76. Slider;
[0034] 77, connector; 771, cylinder; 772, vertical slot;
[0035] 78. Control mechanism; 781. Fixed column; 782. Moving column; 783. Pressing block; 784. Control rod; 785. Second spring;
[0036] 79. Second connecting plate;
[0037] 710, control ring; 7101, ring plate; 7102, circular spiral guide groove;
[0038] 8. Retractable card block. DETAILED DESCRIPTION
[0039] See also Figure 1-7 , the present invention provides a technical solution:
[0040] A disposable medical thread embedding needle, kit and assembly method thereof, comprising a handheld shell 1 with a T-shaped hole therein and a hollow pin 2, the bottom end of the handheld shell 1 being fixedly connected to the hollow pin 2, the upper end of the handheld shell 1 being mounted with a first spring 4, the top end of the first spring 4 being fixedly connected to a handle 5, the lower end of the handle 5 being fixedly connected to a push rod 3, a connecting frame 6 being mounted in the middle of the hollow pin 2, a line changing unit 7 being mounted on one side of the connecting frame 6, the upper end of the line changing unit 7 being mounted with a retractable card block 8; the line changing unit 7 comprising a first connecting plate 71, the upper middle end of the first connecting plate 71 being fixedly connected to a The connecting piece 77 has a second connecting plate 79 fixedly connected to the upper end of the connecting piece 77, a wire storage drum 74 is installed on the outside of the connecting piece 77, a control ring 710 is fixedly connected to the inner side of the middle of the wire storage drum 74, and the wire storage drums 74 are fixedly connected by a connecting block 75. The upper and lower ends of the connecting block 75 are fixedly connected to a slider 76, and a control mechanism 78 is installed on the inside of the connecting piece 77; the first connecting plate 71 and the second connecting plate 79 are both provided with a rotation groove 72 on one side near the center point of the connecting piece 77, and the first connecting plate 71 and the second connecting plate 79 are both provided with a bayonet 73 on one side.
[0041] As a further technical solution of this solution, the connecting member 77 includes a cylinder 771, and a vertical groove 772 is opened on one side of the cylinder 771. Through the above arrangement, the first connecting plate 71 and the second connecting plate 79 can be stably connected;
[0042] As a further technical solution of this solution, the control mechanism 78 includes a fixed column 781, a movable column 782 is slidably connected to the inner side of the fixed column 781 via a second spring 785, a control rod 784 is fixedly connected to the middle of the movable column 782, and a pressing block 783 is fixedly connected to the top of the movable column 782. Through the above arrangement, the wire storage drum 74 can be controlled to rotate to a certain angle by moving the control rod 784.
[0043] As a further technical solution of this solution, the bottom end of the fixed column 781 is fixedly connected to the first connecting plate 71, the angle between the control rod 784 and the movable column 782 is 90 degrees, the control rod 784 is cylindrical, and the control rod 784 is slidably connected to the cylinder 771 through the vertical slot 772, the upper end of the movable column 782 is slidably connected to the second connecting plate 79, and the pressing block 783 is provided at the upper end of the second connecting plate 79. Through the above arrangement, the wire storage drum 74 can be stably rotated between the first connecting plate 71 and the second connecting plate 79;
[0044] As a further technical solution of this solution, the control ring 710 includes a ring plate 7101, and a circular spiral guide groove 7102 is formed on the inner side of the ring plate 7101. The upper vertices of the circular spiral guide groove 7102 are provided with 12, and the upper vertices of the circular spiral guide groove 7102 correspond one-to-one with the connecting block 75. Through this arrangement, the wire storage drum 74 can rotate a specific angle during the reciprocating movement of the movable column 782;
[0045] As a further technical solution of this solution, there are 12 connecting blocks 75. The sliders 76 fixedly connected to the upper and lower ends of the connecting blocks 75 are rotatably connected to the second connecting plate 79 and the first connecting plate 71 respectively through the rotating groove 72. The first connecting plate 71 and the second connecting plate 79 are parallel to each other. Through the above arrangement, the stability of the entire device during use can be further improved.
[0046] As a further technical solution of this solution, the first connecting plate 71 and the second connecting plate 79 are connected to the upper and lower ends of the connecting frame 6 through the bayonet 73. The upper end of the first connecting plate 71 is located below the upper end of the connecting frame 6, and the lower side of the telescopic end of the retractable block 8 is in close contact with the upper end of the connecting frame 6. Through the above arrangement, the control mechanism 78 and the connecting frame 6 can be stably connected.
[0047] As a further technical solution implemented in this scheme, the bottom end of the push rod 3 is arranged in an arc shape, and the arc-shaped portion of the bottom end of the push rod 3 is arranged on the inner side of the upper end of the connecting frame 6. Through the above arrangement, the wire storage drum 74 can be further positioned during the wire pushing process, which can effectively prevent the problem of displacement of the wire storage drum 74 during the wire pushing process.
[0048] As a further technical solution of this scheme, multiple wire storage drums 74 are provided, and the wire storage drums 74 are distributed in a ring shape and equidistantly between the first connecting plate 71 and the second connecting plate 79. Through the above arrangement, the multiple wire storage drums 74 can be stably limited.
[0049] As a technical solution for further implementation of this plan, the following steps are included:
[0050] Step I: Placing the absorbable sutures inside the wire storage barrels 74: Based on the number of wire storage barrels 74, absorbable sutures of required lengths are placed one by one inside the wire storage barrels 74;
[0051] Step II: Connect the line-changing unit 7 to the connecting frame 6: Insert the line-changing unit 7 from the bottom of the hollow pin 2 into the position of the connecting frame 6, and then position the line-changing unit 7 by the position of the upper end of the first connecting plate 71 and the lower end of the telescopic end of the telescopic block 8. After positioning is completed, the bottom insertion end of the hollow pin 2 is disinfected for subsequent use;
[0052] Step III: Delivering the absorbable suture material inside the storage cylinder 74 through the hollow insertion needle 2: When delivering the absorbable suture material placed inside the storage cylinder 74 into the patient's body, first insert the hollow insertion needle 2 into the patient's body, and then control the push rod 3 through the handle 5 to insert the absorbable suture material inside the storage cylinder 74 corresponding to the hollow insertion needle 2 into the patient's body. After completing the operation, the hollow insertion needle 2 is then pulled out of the patient's body. After pulling it out, press the pressing block 783, and the pressing block 783 moves downward. Then, the control rod 784 is driven downward by the movable column 782. During the downward movement of the control rod 784, the circular spiral guide groove 7102 drives the ring plate 7101 to drive the wire storage barrel 74 to rotate. The loose block presses the block 783, and the control rod 784 continues to drive the ring plate 7101 to drive the wire storage barrel 74 to rotate through the circular spiral guide groove 7102, so that the next wire storage barrel 74 with the absorbable suture material placed therein is aligned with the connecting frame 6, and the next absorbable suture material is implanted;
[0053] Step IV: Remove and disinfect the line-changing unit 7, and destroy the fixed connection part of the hollow needle 2: After the implantation is completed, the staff will remove and disinfect the line-changing unit 7 for subsequent use, and at the same time destroy the hollow needle 2 that has been in contact with the patient to avoid secondary use.
[0054] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method of the present invention and its core ideas. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of the present invention.
Claims
1. A disposable medical thread embedding needle, comprising a handheld shell (1) with a T-shaped hole formed therein and a hollow insertion needle (2), characterized in that: The bottom end of the handheld shell (1) is fixedly connected to a hollow pin (2), the upper end of the handheld shell (1) is installed with a first spring (4), the top end of the first spring (4) is fixedly connected to the handle (5), the lower end of the handle (5) is fixedly connected to a push rod (3), a connecting frame (6) is installed in the middle of the hollow pin (2), a line changing unit (7) is installed on one side of the connecting frame (6), and a retractable card block (8) is installed on the upper end of the line changing unit (7); The line changing unit (7) comprises a first connecting plate (71), a connecting piece (77) is fixedly connected to the middle of the upper end of the first connecting plate (71), a second connecting plate (79) is fixedly connected to the upper end of the connecting piece (77), a wire storage drum (74) is installed on the outer side of the connecting piece (77), a control ring (710) is fixedly connected to the inner side of the middle of the wire storage drum (74), the wire storage drums (74) are fixedly connected via a connecting block (75), a slider (76) is fixedly connected to the upper and lower ends of the connecting block (75), and a control mechanism (78) is installed on the inner side of the connecting piece (77); The first connecting plate (71) and the second connecting plate (79) are both provided with a rotation groove (72) on one side close to the center point of the connecting member (77), and the first connecting plate (71) and the second connecting plate (79) are both provided with a bayonet (73) on one side. The connecting member (77) includes a cylinder (771), and a vertical groove (772) is provided on one side of the cylinder (771). The control mechanism (78) includes a fixed column (781), and a movable column (782) is slidably connected to the inner side of the fixed column (781) through a second spring (785). The middle of the movable column (782) is fixedly connected to a control rod (784), and the top of the movable column (782) is fixedly connected to a pressing block (783). The bottom end of the fixed column (781) is fixedly connected to the first connecting plate (71), and the clamp formed between the control rod (784) and the movable column (782) The angle is 90°, the control rod (784) is cylindrical, the control rod (784) is slidably connected to the cylinder (771) through the vertical groove (772), the upper end of the movable column (782) is slidably connected to the second connecting plate (79), the pressing block (783) is arranged on the upper end of the second connecting plate (79), the control ring (710) includes a ring plate (7101), a circular spiral guide groove (7102) is opened on the inner side of the ring plate (7101), the upper vertex of the circular spiral guide groove (7102) and the connecting block (75) correspond one to one, the end of the control rod (784) away from the movable column (782) is located in the circular spiral guide groove (7102), and the slider (76) fixedly connected to the upper and lower ends of the connecting block (75) is rotatably connected to the second connecting plate (79) and the first connecting plate (71) respectively through the rotating groove (72).
2. A disposable medical thread embedding needle according to claim 1, characterized in that: The circular spiral guide groove (7102) is provided with 12 upper vertices.
3. The disposable medical thread embedding needle according to claim 1, characterized in that: There are 12 connecting blocks (75), and the first connecting plates (71) and the second connecting plates (79) are parallel.
4. The disposable medical thread embedding needle according to claim 1, characterized in that: The first connecting plate (71) and the second connecting plate (79) are connected to the upper and lower ends of the connecting frame (6) via the bayonet (73); the upper end of the first connecting plate (71) is located below the upper end of the connecting frame (6); and the lower side of the telescopic end of the telescopic block (8) is in close contact with the upper end of the connecting frame (6).
5. The disposable medical thread embedding needle according to claim 1, characterized in that: A plurality of wire storage drums (74) are provided, and the wire storage drums (74) are distributed in an annular shape and at equal intervals between the first connecting plate (71) and the second connecting plate (79).
Citation Information
Patent Citations
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