Disposable medical catgut embedding needle, kit and assembling method of disposable medical catgut embedding needle

Abstract

The invention relates to the technical field of catgut embedding needles, in particular to a disposable medical catgut embedding needle, a kit and an assembling method thereof.The disposable medical catgut embedding needle comprises a handheld shell internally provided with a T-shaped hole and a hollow inserting needle, the bottom end of the handheld shell is fixedly connected with the hollow inserting needle, the upper end of the handheld shell is provided with a first spring, and the top end of the first spring is fixedly connected with a grip; a push rod is fixedly connected to the lower end of the grip, a connecting frame is mounted in the middle of the hollow contact pin, a thread changing unit is mounted on one side of the connecting frame, and a telescopic clamping block is mounted at the upper end of the thread changing unit; the wire changing unit comprises a first connecting plate, a connecting piece is fixedly connected to the middle of the upper end of the first connecting plate, a second connecting plate is fixedly connected to the upper end of the connecting piece, and a wire storage cylinder is installed on the outer side of the connecting piece. The problem that a line is polluted when being put into an injector can be effectively avoided, the line implanting efficiency can be improved, and meanwhile the line implanting safety is improved.

Description

Technical Field

[0001] The 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 needle is a medical device used for TCM meridian treatment. It stimulates the meridian points by embedding the thread needle made of special materials under the skin to achieve the purpose of treating diseases. It has the characteristics of hygienic safety, convenience, quickness, painless stimulation and good biocompatibility. It is mainly composed of a needle and a syringe. The needle is used to be buried under the skin, usually made of stainless steel or special materials, with certain elasticity and toughness. The syringe is used to inject the needle under the skin, usually with scales and injection buttons. During the use of disposable medical thread embedding needles and kits, after the thread is embedded in the lower part of the skin once, new thread 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 subsequent implantation infection problems. Therefore, a disposable medical thread embedding needle, kit and assembly method thereof are proposed to address the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a disposable medical thread embedding needle, a kit and an assembly method thereof, so as to solve the problem that during the use of the disposable medical thread embedding needle and the kit, after the thread is embedded in the lower part of the skin once, new thread 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.

[0004] To achieve the above object, the present invention provides the following technical solutions: A disposable medical thread embedding needle, a kit and an assembling method thereof, comprising a handheld shell with a T-shaped hole therein and a hollow insertion needle, the bottom end of the handheld shell being fixedly connected to the hollow insertion needle, the upper end of the handheld shell being installed with a first spring, the top end of the first spring being fixedly connected to a handle, the lower end of the handle being fixedly connected to a push rod, a connecting frame being installed in the middle of the hollow insertion needle, a line changing unit being installed on one side of the connecting frame, and a retractable clamping block being installed on the upper end of the line changing unit; the line changing unit comprising a first connecting plate, a connecting piece being fixedly connected to the middle of the upper end of the first connecting plate, a second connecting plate being fixedly connected to the upper end of the connecting piece, a line storage barrel being installed on the outer side of the connecting piece, a control ring being fixedly connected to the inner side of the middle of the line storage barrel, the line storage barrels being fixedly connected by a connecting block, a sliding block being fixedly connected to the upper and lower ends of the connecting block, and a control mechanism being installed on the inner side of the connecting piece; a rotating groove is provided on one side of the first connecting plate and the second connecting plate close to the center point of the connecting piece, and a bayonet is provided on one side of the first connecting plate and the second connecting plate.

[0005] As a further optimized content of the present invention, wherein: the connecting member comprises a cylinder, and a vertical groove is opened on one side of the cylinder.

[0006] As a further optimization of the present invention, the control mechanism includes a fixed column, a movable column is slidably connected to the inner side of the fixed column via a second spring, a control rod is fixedly connected in the middle of the movable column, and a pressing block is fixedly connected to the top of the movable column.

[0007] As further optimized content 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, the control rod is slidably connected to the cylinder through a vertical groove, the upper end of the movable column is slidably connected to the second connecting plate, and the pressing block is arranged on the upper end of the second connecting plate.

[0008] 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, 12 upper vertices of the circular spiral guide groove are provided, and the upper vertices of the circular spiral guide groove correspond to the connecting blocks one by one.

[0009] As a further optimization of the present invention, there are 12 connecting blocks, and the sliding blocks 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.

[0010] 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 telescopic block is tightly attached to the upper end of the connecting frame.

[0011] 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.

[0012] As a further optimized content of the present invention, there are multiple wire storage drums, and the wire storage drums are distributed in a ring shape and equidistantly between the first connecting plate and the second connecting plate.

[0013] As a further optimized content of the present invention, the following steps are included: Step I: placing the absorbable suture wires inside the wire storage tube: according to the number of wire storage tubes, the absorbable suture wires of required length are placed inside the wire storage tubes one by one; Step II: Connect the line changing unit to the connecting frame: insert the line changing unit from the bottom of the hollow pin to the position of the connecting frame, and then position the line changing unit through the position of the upper end of the first connecting plate and the position of the lower end of the telescopic end of the telescopic card block. After the positioning is completed, the insertion end of the bottom of the hollow pin is disinfected for subsequent use; Step III: delivering the absorbable suture wire inside the wire storage tube through the hollow needle: when delivering the absorbable suture wire placed inside the wire storage tube into the patient's body, first insert the hollow needle into the patient's body, and then control the push rod 3 through the grip 5 to insert the absorbable suture wire inside the wire storage tube corresponding to the hollow needle into the patient's body, and then complete 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 drive the wire storage tube to rotate, loosen the block and press the block, and the control rod continues to drive the ring plate through the circular spiral guide groove to drive the wire storage tube to rotate, so that the next wire storage tube with the absorbable suture wire placed inside is aligned with the connecting frame, and the next absorbable suture wire is implanted; Step IV: Remove and disinfect the line-changing unit, and destroy the hollow needle fixed connection part: 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.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by means of the wire changing unit, multiple wires can be placed into the device at one time and synchronously. In the process of wire implantation at multiple positions, the problem of wire contamination when placed into the syringe can be effectively avoided, thereby improving the wire implantation efficiency and the safety of wire implantation; 2. In the present invention, the control mechanism can utilize the single reciprocating movement of the moving column, cooperate with the control rod and the control rod, so that the next wire storage drum can be stably moved to the position inside the connecting frame, thereby improving the convenience of wire replacement. At the same time, the rotating groove and the slider can further improve the stability of the wire storage drum during rotation. 3. In the present invention, by setting up a retractable card block, the stability and convenience of installing the line changing unit on the outside of the connecting frame can be improved, and it is convenient for reuse in the future, reducing medical costs. In addition, by setting up a connecting frame and a push rod, the stability during operation can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the hollow pin of the present invention; Figure 3 This is a schematic diagram of the structure of the line changing unit of the present invention; Figure 4 This is a schematic diagram of the control ring installation position structure of the present invention; Figure 5 It is a schematic diagram of the control mechanism structure of the present invention; Figure 6 This is a schematic diagram of the control loop structure of the present invention; Figure 7 It is a schematic diagram of the structure of the connecting piece of the present invention.

[0016] In the figure: 1. Hand-held shell; 2. Hollow pin; 3. Push rod; 4. First spring; 5. Grip; 6. Connecting frame; 7. Line changing unit; 71. First connecting plate; 72. Turning slot; 73. Bayonet; 74. Line storage barrel; 75. Connecting block; 76. Sliding block; 77, connector; 771, cylinder; 772, vertical slot; 78, control mechanism; 781, fixed column; 782, movable column; 783, pressing block; 784, control rod; 785, second spring; 79. Second connecting plate; 710, control ring; 7101, ring plate; 7102, circular spiral guide groove; 8. Retractable card block. DETAILED DESCRIPTION

[0017] See also Figure 1-7 , the present invention provides a technical solution: A disposable medical thread embedding needle, a kit and an assembly method thereof, comprising a handheld shell 1 with a T-shaped hole therein and a hollow plug pin 2, the bottom end of the handheld shell 1 being fixedly connected to the hollow plug pin 2, the upper end of the handheld shell 1 being provided with a first spring 4, the top end of the first spring 4 being fixedly connected to a grip 5, the lower end of the grip 5 being fixedly connected to a push rod 3, a connecting frame 6 being provided in the middle of the hollow plug pin 2, a line changing unit 7 being provided on one side of the connecting frame 6, and a retractable card block 8 being provided on the upper end of the line changing unit 7; 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 connecting piece 77, a second connecting plate 79 is fixedly connected to the upper end of the connecting piece 77, a wire storage barrel 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 barrel 74, the wire storage barrels 74 are fixedly connected by 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; a rotating groove 72 is provided on one side of the first connecting plate 71 and the second connecting plate 79 close to the center point of the connecting piece 77, and a bayonet 73 is provided on one side of the first connecting plate 71 and the second connecting plate 79.

[0018] As a further technical solution of the present invention, the connecting member 77 includes a cylinder 771, and a vertical groove 772 is provided 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. As a further technical solution of the present invention, 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 through 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 at a certain angle by moving the control rod 784. 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°, 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, and the pressing block 783 is arranged at the upper end of the second connecting plate 79. Through the above arrangement, the wire storage barrel 74 can be stably rotated between the first connecting plate 71 and the second connecting plate 79; As a further technical solution of the present invention, the control ring 710 includes a ring plate 7101, a circular spiral guide groove 7102 is provided on the inner side of the ring plate 7101, 12 upper vertices of the circular spiral guide groove 7102 are provided, and the upper vertices of the circular spiral guide groove 7102 correspond to the connecting block 75 one by one. Through the above arrangement, the wire storage drum 74 can rotate a specific angle during a reciprocating movement of the moving column 782; As a further technical solution of the present invention, there are 12 connecting blocks 75, and 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, and the first connecting plate 71 and the second connecting plate 79 are parallel to each other. Through the above arrangement, the stability of the device as a whole during use can be further improved; As a further technical solution of the present invention, 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 at the lower side of 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. Through the above arrangement, the control mechanism 78 and the connecting frame 6 can be stably connected. As a further technical solution of this scheme, the bottom end of the push rod 3 is arranged in an arc shape, and the arc-shaped part 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. As a further technical solution for implementing the present invention, a plurality of wire storage drums 74 are provided, and the wire storage drums 74 are equidistantly distributed in a ring shape between the first connecting plate 71 and the second connecting plate 79. Through the above arrangement, the plurality of wire storage drums 74 can be stably limited.

[0019] As a technical solution for further implementing this plan, the following steps are included: Step I: placing the absorbable suture wires in the wire storage barrel 74: according to the number of wire storage barrels 74, the absorbable suture wires of required length are placed in the wire storage barrels 74 one by one; 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 to the position of the connecting frame 6, and then position the line changing unit 7 through the position of the upper end of the first connecting plate 71 and the position of the lower end of the telescopic end of the telescopic block 8. After the positioning is completed, the insertion end at the bottom of the hollow pin 2 is disinfected for subsequent use; Step III: Delivering the absorbable suture wire inside the wire storage tube 74 through the hollow insertion needle 2: When delivering the absorbable suture wire placed inside the wire storage tube 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 grip 5 to insert the absorbable suture wire inside the wire storage tube 74 corresponding to the hollow insertion needle 2 into the patient's body. After the operation is completed, the hollow insertion needle 2 is then pulled out of the patient's body. After pulling out, press the pressing block 783, and the pressing block 783 moves downward. Then, the control rod 784 is driven to move downward by the moving 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, and the block pressing block 783 is loosened, 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 absorbable suture wire material placed inside is aligned with the connecting frame 6, and the next absorbable suture wire material is implanted; 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.

[0020] 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 and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, 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 protection scope of the present invention.

Claims

1. A disposable medical thread embedding needle and kit, 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 plug pin (2), the upper end of the handheld shell (1) is provided with a first spring (4), the top end of the first spring (4) is fixedly connected to a 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 plug 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); A rotation groove (72) is provided on one side of the first connecting plate (71) and the second connecting plate (79) close to the center point of the connecting piece (77), and a bayonet (73) is provided on one side of the first connecting plate (71) and the second connecting plate (79).

2. A disposable medical thread embedding needle and kit according to claim 1, characterized in that: The connecting member (77) comprises a cylinder (771), and a vertical groove (772) is formed on one side of the cylinder (771).

3. A disposable medical thread embedding needle and kit according to claim 1, characterized in that: The control mechanism (78) comprises a fixed column (781), the inner side of the fixed column (781) is slidably connected to a movable column (782) via 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).

4. A disposable medical thread embedding needle and kit according to claim 3, characterized in that: 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°; the control rod (784) is columnar; the control rod (784) is slidably connected to the cylinder (771) via the vertical groove (772); the upper end of the movable column (782) is slidably connected to the second connecting plate (79); and the pressing block (783) is arranged at the upper end of the second connecting plate (79).

5. A disposable medical thread embedding needle and kit according to claim 1, characterized in that: The control ring (710) comprises a ring plate (7101), a circular spiral guide groove (7102) is provided on the inner side of the ring plate (7101), 12 upper vertices of the circular spiral guide groove (7102) are provided, and the upper vertices of the circular spiral guide groove (7102) correspond one to one with the connection blocks (75).

6. A disposable medical thread embedding needle and kit according to claim 1, characterized in that: Twelve connecting blocks (75) are provided, and sliding blocks (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 rotating grooves (72), and the first connecting plate (71) and the second connecting plate (79) are parallel to each other.

7. A disposable medical thread embedding needle and kit 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).

8. The disposable medical thread embedding needle and kit according to claim 1, characterized in that: 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).

9. A disposable medical thread embedding needle and kit according to claim 1, characterized in that: A plurality of wire storage barrels (74) are provided, and the wire storage barrels (74) are distributed in an annular shape and at equal intervals between the first connecting plate (71) and the second connecting plate (79).

10. An assembling method of a disposable medical thread embedding needle and kit according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step I: placing the absorbable suture wires inside the wire storage tube (74): according to the number of wire storage tubes (74), the absorbable suture wires of required lengths are placed inside the wire storage tubes (74) one by one; Step II: Connecting the line changing unit (7) to the connecting frame (6): inserting the line changing unit (7) from the bottom of the hollow pin (2) to the position of the connecting frame (6), and then positioning the line changing unit (7) by the position of the upper end of the first connecting plate (71) and the position of the lower end of the telescopic end of the telescopic block (8). After the positioning is completed, the bottom insertion end of the hollow pin (2) is disinfected for subsequent use; Step III: Delivering the absorbable suture wire inside the wire storage tube (74) through the hollow insertion needle (2): When delivering the absorbable suture wire placed inside the wire storage tube (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 wire inside the wire storage tube (74) corresponding to the hollow insertion needle (2) into the patient's body. After the operation is completed, the hollow insertion needle (2) is then pulled out of the patient's body. After being pulled out, the pressing block (783) is pressed, and the pressing block (783) moves downward, thereby passing through The movable column (782) drives the control rod (784) to move downward. 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). 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 absorbable suture wire placed inside is aligned with the connecting frame (6), and the next absorbable suture wire is implanted; 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.

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