Special combined needle for plastic injection
By combining the blunt needle with the lifting mechanism in the plastic injection combination needle, the blunt needle is achieved using concentric settings and lifting mechanisms to achieve accurate penetration of the blunt needle, the pain and trauma problems caused by the secondary insertion of the blunt needle are solved, and the safety of the injection is improved. Accuracy.
Patent Information
- Application Number
- CN202420494204.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-03-14
AI Technical Summary
When using a blunt needle for plastic injection, the blunt needle needs to be inserted through the existing sharp needle opening position, resulting in the skin being torn apart during secondary insertion, causing pain and trauma, and increasing operation difficulty.
Design a combination needle for plastic injection. By installing the blunt needle body at the lower end of the bolt injector controlled by the lifting mechanism and setting it concentrically with the hollow sharp needle body, the outer diameter of the blunt needle body is smaller than the inner diameter of the hollow sharp needle body, and the lifting mechanism is used. Achieve accurate penetration of blunt needles and reduce secondary insertion trauma.
It effectively reduces the pain during insertion of blunt needles, improves the accuracy and safety of injections, reduces the difficulty of plastic surgery and injection operations, and achieves an efficient and safe injection process.
Smart Images
Figure CN222304533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical aesthetics medical equipment, and in particular to a special combination needle for plastic surgery injection. Background Art
[0002] In recent years, painless blunt needle injection beauty has been favored by many beauty seekers for its convenience, speed and tracelessness. Previously, sharp needles were used to inject hyaluronic acid. If the doctor's skills were not in place, bruises or even more serious complications would occur. The emergence of blunt needle injection technology, with its excellent safety, can avoid similar accidents.
[0003] Painless blunt needle injection, this drug delivery system can avoid needle damage to the human body, prevent drug leakage and bleeding at the injection site, and can accurately deliver high-viscosity or particulate-containing mixtures at any depth of the skin (intradermal or intramuscular). The drug can penetrate into areas that are difficult to inject and cannot be treated with ointments.
[0004] At present, when using a blunt needle for injection, a common sharp needle (hollow needle tube, bevel needle) is first used to make a hole in the skin, and then the blunt needle is used to enter the skin for injection. The sharp needle tip is actually like a flat bayonet, "cutting" the skin into a straight opening; and when the round-headed blunt needle is inserted from the opening, the skin tissue of the straight opening will be squeezed or torn by the round-headed blunt needle, causing temporary pain or secondary trauma. Therefore, the utility model proposes a special combination needle for plastic surgery injection to solve the shortcomings of the prior art. Utility Model Content
[0005] In view of the above problems, the purpose of the utility model is to provide a combination needle specially used for plastic surgery injection, by installing a blunt needle body at the port at the lower end of an injector whose lifting and lowering is controlled by a lifting mechanism, and arranging the blunt needle body concentrically with the hollow sharp needle body, and controlling the outer diameter of the blunt needle body to be smaller than the inner diameter of the hollow sharp needle body, the blunt needle body can be driven to penetrate from the hollow sharp needle body, thereby reducing the operation of reinserting the blunt needle body from the opening position of the hollow sharp needle body, thereby reducing the trauma of secondary insertion.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A combination needle specially used for plastic surgery injection comprises an outer shell, a sharp needle fixing seat, a hollow sharp needle body, a blunt needle body, an injector, a lifting mechanism and an isolation membrane, a threaded connection port is provided at the lower end of the outer shell, the hollow sharp needle body can be detachably mounted on the sharp needle fixing seat, the sharp needle fixing seat is threadedly connected to the threaded connection port, a lifting mechanism is provided inside the outer shell, a movable seat is provided on the lifting mechanism, a through groove is provided on the movable seat, the injector body is fixed inside the through groove by a fixing mechanism in the through groove, the blunt needle body can be detachably arranged at the port at the lower end of the injector, the outer diameter of the blunt needle body is smaller than the inner diameter of the hollow sharp needle body, the blunt needle body and the hollow sharp needle body are arranged concentrically, the upper end of the injector extends out of the upper end of the outer shell, and an isolation membrane is provided inside the outer shell between the lower end of the blunt needle body and the upper end of the hollow sharp needle body.
[0008] A further improvement is that the lifting mechanism includes a guide rod, an adjusting screw and a rotating wheel, a guide rod is provided on one side of the inner part of the outer shell, an adjusting screw is rotatably provided on the other side of the inner part of the outer shell, a rotating wheel is provided on the upper end of the adjusting screw, one side of the movable seat is slidably connected to the guide rod, and the other side of the movable seat is threadedly connected to the adjusting screw.
[0009] A further improvement is that the fixing mechanism includes an arc-shaped clamping plate and a spring, the arc-shaped clamping plate is symmetrically arranged in the through slot, a spring is arranged on one side of the arc-shaped clamping plate, and the spring is provided in multiple groups, and one end of the multiple groups of springs are connected to the inner wall of the through slot.
[0010] A further improvement is that the injector comprises a cylinder, a piston and an injector rod, the cylinder is provided with a piston inside, and the top of the piston is provided with an injector rod.
[0011] A further improvement is that a membrane installation mechanism is provided at the lower interior of the shell, and the membrane installation mechanism includes a first installation roller and a second installation roller. The first installation roller is rotatably provided on one side of the lower interior of the shell, and the second installation roller is rotatably provided on the other side of the lower interior of the shell. One end of the isolation membrane is wound and fixed on the first installation roller, and the other end of the isolation membrane is connected to the second installation roller.
[0012] A further improvement is that the housing comprises an upper shell and a lower shell, and the upper shell is threadedly connected to the lower shell.
[0013] A further improvement is that a liquid-absorbing sponge is detachably installed inside the lower shell, a magnetic sheet is provided on the inner side of the arc-shaped clamping plate, and a magnetic adsorption area adapted to the magnetic sheet is provided on the outer wall of the cylinder.
[0014] The beneficial effects of the utility model are as follows: the utility model installs the blunt needle body at the port at the lower end of the injector which is controlled to rise and fall by the lifting mechanism, and sets the blunt needle body concentrically with the hollow sharp needle body, and controls the outer diameter of the blunt needle body to be smaller than the inner diameter of the hollow sharp needle body, so that the blunt needle body can be driven to penetrate from the hollow sharp needle body, thereby reducing the operation of inserting the blunt needle body again from the opening position of the hollow sharp needle body, thereby reducing the trauma of secondary insertion and reducing the pain. Moreover, driving the blunt needle body to penetrate from the hollow sharp needle body for plastic injection can ensure the accuracy of the insertion of the blunt needle body into the opening of the hollow sharp needle body, which can reduce the difficulty of plastic injection operation and achieve efficient, safe and relatively less painful plastic injection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 This is a top view schematic diagram of the fixing mechanism structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the main view of the isolation membrane installation structure of the utility model
[0018] Figure 4 It is a schematic diagram of the main view of the working principle of the structure of the utility model.
[0019] Wherein: 1. outer shell; 101. upper shell; 102. lower shell; 2. sharp needle fixing seat; 3. hollow sharp needle body; 4. blunt needle body; 5. injector; 501. cylinder; 502. piston; 503. injector rod; 6. isolation membrane; 7. threaded connection port; 8. movable seat; 9. through groove; 10. guide rod; 11. adjusting screw; 12. rotating wheel; 13. arc clamping plate; 14. spring; 15. first mounting roller; 16. second mounting roller; 17. liquid-absorbing sponge. DETAILED DESCRIPTION
[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.
[0021] according to Figure 1-4As shown, this embodiment proposes a special combination needle for plastic surgery injection, including a shell 1, a sharp needle fixing seat 2, a hollow sharp needle body 3, a blunt needle body 4, an injector 5, a lifting mechanism and an isolation membrane 6. The lower end of the shell 1 is provided with a threaded connection port 7, and the hollow sharp needle body 3 is detachably mounted on the sharp needle fixing seat 2, and the sharp needle fixing seat 2 is threadedly connected to the threaded connection port 7. A lifting mechanism is provided inside the shell 1, and a moving seat 8 is provided on the lifting mechanism. A through groove 9 is provided on the moving seat 8, and the injector 5 body is fixed inside the through groove 9 by a fixing mechanism in the through groove 9. The blunt needle body 4 is detachably arranged at the port at the lower end of the injector 5, and the outer diameter of the blunt needle body 4 is smaller than the inner diameter of the hollow sharp needle body 3. The blunt needle body 4 is concentrically arranged with the hollow sharp needle body 3, and the upper end of the injector 5 extends out of the upper end of the shell 1, and an isolation membrane 6 is provided inside the shell 1 between the lower end of the blunt needle body 4 and the upper end of the hollow sharp needle body 3.
[0022] When the plastic surgery injection combination needle of the present invention is used for plastic surgery injection (this embodiment takes the injection of hyaluronic acid as an example), the hollow sharp needle body 3 is first fixed on the sharp needle fixing seat 2, and then the sharp needle fixing seat 2 is threadedly assembled with the threaded connection port 7 provided at the lower end of the shell 1, and then the blunt needle body 4 is installed at the port at the lower end of the pusher 5, and then the pusher 5 is fixed inside the through groove 9 of the moving seat 8 by the fixing mechanism, and then the shell is held and the hollow sharp needle body 3 is used to open a hole at the injection position, and after the hole is opened, the pusher 5 is driven down by the lifting mechanism. The position is set so that the blunt needle body 4 pierces the isolation membrane 6 and enters the hollow sharp needle body 3, and one end of the blunt needle body 4 extends to the opening formed by the injection of the hollow sharp needle body 3, and then the hyaluronic acid stored in the pusher 5 is injected into the opening by the pusher 5 to achieve a one-time injection. During this process, only the hollow sharp needle body 3 and the skin at the injection position will produce one-time opening pain. When the blunt needle body 4 enters the opening, it will not tear the straight opening formed by the hollow sharp needle body 3 on the skin at the injection position again, thereby reducing the injection pain.
[0023] The lifting mechanism includes a guide rod 10, an adjusting screw 11 and a rotating wheel 12. The guide rod 10 is provided on one side of the housing 1, and the adjusting screw 11 is rotatably provided on the other side of the housing 1. The upper end of the adjusting screw 11 is provided with a rotating wheel 12. One side of the moving seat 8 is slidably connected to the guide rod 10, and the other side of the moving seat 8 is threadedly connected to the adjusting screw 11. The rotating wheel 12 drives the adjusting screw 11 to rotate, and then drives the moving seat 8 to move together on the guide rod 10 and the adjusting screw 11 to achieve lifting.
[0024] The fixing mechanism includes an arc-shaped clamping plate 13 and a spring 14. The arc-shaped clamping plate 13 is symmetrically arranged in the through slot 9. A spring 14 is arranged on one side of the arc-shaped clamping plate 13. The spring 14 is provided in multiple groups, and one end of the multiple groups of springs 14 is connected to the inner wall of the through slot 9. After the pusher 5 is inserted into the through slot 9, the arc-shaped clamping plate 13 is driven to squeeze the spring 14 to clamp the pusher 5 using the arc-shaped clamping plate 13.
[0025] The injector 5 comprises a cylinder 501, a piston 502 and an injector rod 503. The cylinder 501 is provided with a piston 502, and the top of the piston 502 is provided with an injector rod 503. The cylinder 501 is used to store the injection material (hyaluronic acid in this embodiment), and then the injector rod 503 is pushed to squeeze the injection material in the cylinder 501 out of the blunt needle body 4 through the piston 502 for injection.
[0026] A membrane installation mechanism is provided at the lower part of the shell 1, and the membrane installation mechanism includes a first installation roller 15 and a second installation roller 16. The first installation roller 15 is rotatably provided at one side of the lower part of the shell 1, and the second installation roller 16 is rotatably provided at the other side of the lower part of the shell 1. One end of the isolation membrane 6 is wound and fixed on the first installation roller 15, and the other end of the isolation membrane 6 is connected to the second installation roller 16. The isolation membrane 6 can be provided to prevent the exudate generated when the hollow sharp needle body 3 opens a hole on the skin from reversely entering the shell 1 to cause pollution. The membrane installation mechanism can be provided to install the isolation membrane 6 to achieve that after the isolation membrane 6 is punctured by the blunt needle body 4, a new section of the isolation membrane 6 is replaced between the blunt needle body 4 and the hollow sharp needle body 3 to prevent reverse osmosis isolation.
[0027] The housing 1 comprises an upper housing 101 and a lower housing 102, wherein the upper housing 101 and the lower housing 102 are threadedly connected. By dividing the housing 1 into two parts, it is convenient to install the isolation membrane 6.
[0028] The lower shell 102 is detachably provided with a liquid-absorbing sponge 17, the inner side of the arc-shaped clamping plate 13 is provided with a magnetic sheet, and the outer wall of the cylinder 501 is provided with a magnetic adsorption area adapted to the magnetic sheet. By providing the liquid-absorbing sponge 17, the blunt needle body 4 can enter the hole opened in the skin by the hollow sharp needle body 3 and contact the exudate to wipe it, so as to prevent the liquid on the outer wall of the blunt needle body 4 from dripping into the inner side of the shell 1. The magnetic sheet and the magnetic adsorption area can be used together to improve the fixing stability of the push injector 5.
[0029] The utility model installs the blunt needle body 4 at the port at the lower end of the pusher 5 which is controlled to rise and fall by the lifting mechanism, and sets the blunt needle body 4 concentrically with the hollow sharp needle body 3, and controls the outer diameter of the blunt needle body 4 to be smaller than the inner diameter of the hollow sharp needle body 3, so that the blunt needle body 4 can be driven to penetrate from the hollow sharp needle body 3, thereby reducing the operation of inserting the blunt needle body 4 again from the opening position of the hollow sharp needle body 3, thereby reducing the trauma of secondary insertion and reducing the pain. In addition, driving the blunt needle body 4 to penetrate from the hollow sharp needle body 3 for plastic injection can ensure the accuracy of the insertion of the blunt needle body 4 into the opening of the hollow sharp needle body 3, which can reduce the difficulty of plastic injection operation and achieve efficient, safe and relatively less painful plastic injection.
[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A combination needle for plastic surgery injection, characterized in that: The invention comprises a shell (1), a sharp needle fixing seat (2), a hollow sharp needle body (3), a blunt needle body (4), an injection device (5), a lifting mechanism and an isolation membrane (6), wherein a threaded connection port (7) is provided at the lower end of the shell (1), the hollow sharp needle body (3) is detachably mounted on the sharp needle fixing seat (2), the sharp needle fixing seat (2) is threadedly connected to the threaded connection port (7), a lifting mechanism is provided inside the shell (1), a movable seat (8) is provided on the lifting mechanism, and a through groove (9) is provided on the movable seat (8), The pusher (5) body is fixed inside the through groove (9) by a fixing mechanism inside the through groove (9); the blunt needle body (4) is detachably arranged at a port at the lower end of the pusher (5); the outer diameter of the blunt needle body (4) is smaller than the inner diameter of the hollow sharp needle body (3); the blunt needle body (4) and the hollow sharp needle body (3) are arranged concentrically; the upper end of the pusher (5) extends out of the upper end of the housing (1); and an isolation membrane (6) is provided inside the housing (1) between the lower end of the blunt needle body (4) and the upper end of the hollow sharp needle body (3).
2. The combination needle for plastic surgery injection according to claim 1, characterized in that: The lifting mechanism comprises a guide rod (10), an adjusting screw (11) and a rotating wheel (12); the guide rod (10) is provided on one side of the interior of the housing (1); the adjusting screw (11) is rotatably provided on the other side of the interior of the housing (1); a rotating wheel (12) is provided at the upper end of the adjusting screw (11); one side of the movable seat (8) is slidably connected to the guide rod (10); and the other side of the movable seat (8) is threadedly connected to the adjusting screw (11).
3. The combination needle for plastic surgery injection according to claim 1, characterized in that: The fixing mechanism comprises an arc-shaped clamping plate (13) and a spring (14); the arc-shaped clamping plate (13) is symmetrically arranged in the through slot (9); a spring (14) is arranged on one side of the arc-shaped clamping plate (13); a plurality of groups of the springs (14) are provided, and one end of each of the plurality of groups of the springs (14) is connected to the inner wall of the through slot (9).
4. The combination needle for plastic surgery injection according to claim 3, characterized in that: The injector (5) comprises a cylinder (501), a piston (502) and an injector rod (503); the piston (502) is arranged inside the cylinder (501), and the injector rod (503) is arranged on the top of the piston (502).
5. The combination needle for plastic surgery injection according to claim 4, characterized in that: A membrane installation mechanism is provided at the lower part of the interior of the shell (1), and the membrane installation mechanism comprises a first installation roller (15) and a second installation roller (16). The first installation roller (15) is rotatably provided at one side of the lower part of the interior of the shell (1), and the second installation roller (16) is rotatably provided at the other side of the lower part of the interior of the shell (1). One end of the isolation membrane (6) is wound and fixed on the first installation roller (15), and the other end of the isolation membrane (6) is connected to the second installation roller (16).
6. The combination needle for plastic surgery injection according to claim 5, characterized in that: The housing (1) comprises an upper shell (101) and a lower shell (102), and the upper shell (101) and the lower shell (102) are threadedly connected.
7. The combination needle for plastic surgery injection according to claim 6, characterized in that: A liquid-absorbing sponge (17) is detachably mounted inside the lower shell (102), a magnetic sheet is provided on the inner side of the arc-shaped clamping plate (13), and a magnetic adsorption area adapted to the magnetic sheet is provided on the outer wall of the cylinder (501).