Arcuate linear biomaterial introducer

Abstract

The utility model discloses a kind of arc linear biomaterials introduction devices, guide needle tube is arc shape, and one end of guide needle core is equipped with needle core column, and the inside of needle core seat is equipped with limiting piece, and the inside hollow of limiting piece forms a cavity for accommodating needle core column activity, guide needle core is inserted into guide needle tube, needle tube seat is rotated with needle core seat, so that the other end of guide needle core is located between aperture and the closed end of guide needle tube, guide needle tube and guide needle core adopt arc structure design, this design is aimed at adapting the operation requirement of curved part in operation, for example, it is suitable for the operation scene that needle is introduced along arc path from nose root area or from indented forehead part downward, the inside hollow of limiting piece forms a cavity for accommodating needle core column activity, needle core column can be up and down in cavity 4mm activity, and then make guide needle core can be up and down 4mm activity, when needle tube seat is separated from needle core seat, guide needle core can be up and down and rotate relative to needle core seat, more adapt the operation requirement in operation.

Description

Technical Field

[0001] This utility model relates to the field of medical aesthetic surgical instruments, and more specifically to an arc-shaped linear biomaterial delivery device. Background Technology

[0002] Facial filler lifting surgery is a cosmetic procedure for removing facial wrinkles. The surgery uses surgical methods to fill and stretch the patient's facial skin, eliminating depressions and wrinkles in specific areas. During the procedure, the doctor inserts a puncture guide needle with an embedded needle core into the skin and passes it under the skin. The guide needle exits from a designated position, and then the needle core is withdrawn. Sutures are then inserted into the guide needle, fixed at one end, and the guide needle is withdrawn. Finally, the sutures are pulled to tighten the loose skin, thereby achieving the effect of filling and tightening the skin.

[0003] However, in the above-mentioned prior art, the guide needle first pierces the skin and then inserts the suture, making the whole operation process quite complicated. In addition, the guide needle has a single function, only capable of guiding operations. Furthermore, traditional guide needles can only perform linear insertion surgery and cannot be used for curved areas. Therefore, how to provide an arc-shaped linear biomaterial implant that can overcome the above problems is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In order to overcome the shortcomings of existing technical solutions, this utility model provides an arc-shaped linear biomaterial delivery device, which can effectively solve the technical problems mentioned in the background art.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an arc-shaped linear biomaterial delivery device, including a guide needle tube, a needle tube seat, a needle core seat, and a guide needle core. The guide needle tube is open at one end and closed at the other end, and a notch is provided on the outer wall near its closed end. The needle tube seat is hollow inside and open at both ends. The open end of the guide needle tube is tightly inserted into one open end of the needle tube seat. The guide needle tube is arc-shaped. One end of the guide needle core is provided with a needle core column. The needle core seat is provided with a limiting member inside. The limiting member is hollow inside to form a cavity for accommodating the movement of the needle core column. When the needle tube seat and the needle core seat are separated, the guide needle core can move up and down and rotate relative to the needle core seat. The guide needle core is inserted into the guide needle tube. The needle tube seat and the needle core seat are screwed together so that the other end of the guide needle core is located between the notch and the closed end of the guide needle tube.

[0006] Furthermore, the guide needle core is arc-shaped and is inserted into the interior of the guide needle tube along the open end of the guide needle tube.

[0007] Furthermore, the needle tube seat is divided into a first connecting section and a second connecting section along its length. The outer wall of the second connecting section is provided with an external thread, and the inner wall of the needle core seat is provided with an internal thread. The needle tube seat is inserted inside the needle core seat, and the limiting member is inserted inside the second connecting section. When the needle core seat is screwed on, the external thread of the second connecting section and the internal thread of the needle core seat cooperate with each other, so that the needle core seat and the needle tube seat are connected to each other.

[0008] Furthermore, the needle core seat has a first positioning plane symmetrically arranged on both sides, and the first connecting section has a second positioning plane symmetrically arranged on both sides. After the needle tube seat and the needle core seat are screwed together, the first positioning plane and the second positioning plane are in the same plane.

[0009] Furthermore, the outer wall of the needle core seat is symmetrically provided with multiple first anti-slip patterns, the length direction of which is parallel to the axis of the needle core seat.

[0010] Furthermore, multiple second anti-slip patterns are symmetrically provided on both sides of the first connecting segment, and the length direction of the second anti-slip patterns is parallel to the axis of the first connecting segment.

[0011] Furthermore, the needle core is divided into an upper end and a lower end from top to bottom. One end of the limiting member is provided with a limiting part, and the center of the limiting part is provided with a shaft hole for the upper end to move up and down. The inner diameter of the shaft hole is smaller than the outer diameter of the lower end.

[0012] Furthermore, the length direction of the notch is parallel to the length direction of the guide needle tube, and the width of the notch is less than or equal to the outer diameter of the guide needle tube.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The guide needle tube and guide needle core adopt an arc-shaped structure design, which is designed to adapt to the operation requirements of curved parts during surgery, such as surgical scenarios that need to be inserted through the nasal root area or from the glabella along an arc-shaped path.

[0015] The limiting component has a hollow interior forming a cavity to accommodate the movement of the needle core column. The needle core column can move up and down by 4mm within the cavity, which in turn allows the guide needle core to move up and down by 4mm. When the needle tube seat and the needle core seat are separated, the guide needle core can move up and down and rotate relative to the needle core seat, which is more suitable for the operational needs during surgery. Attached Figure Description

[0016] Figure 1 A plan view of an arc-shaped linear biomaterial delivery device;

[0017] Figure 2 A three-dimensional view of an arc-shaped linear biomaterial delivery device;

[0018] Figure 3 A cross-sectional view of an arc-shaped linear biomaterial delivery device;

[0019] Figure 4 This is a 3D view of the needle core holder;

[0020] Figure 5 This is a cross-sectional view of the needle core holder;

[0021] Figure 6 This is a 3D view of the syringe holder.

[0022] Numbering on the map:

[0023] 1. Needle core seat; 2. Needle tube seat; 3. Guide needle tube; 4. Notch; 5. Guide needle core; 6. Internal thread; 8. Limiting component; 9. First positioning plane; 10. First anti-slip texture; 11. First connecting section; 12. Second positioning plane; 13. External thread; 14. Second connecting section; 15. Second anti-slip texture; 16. Limiting part; 17. Shaft hole; 18. Cavity; 19. Upper end; 20. Lower end; 21. Needle core column. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model discloses an arc-shaped linear biomaterial delivery device. A notch 4 is provided on the guide needle tube 3. During the lifting procedure, one end of the linear biomaterial is inserted into the guide needle tube 3 through the notch 4. The end of the linear biomaterial inside the guide needle tube 3 is positioned between the notch 4 and the closed end of the guide needle tube 3. After the linear biomaterial is inserted, the guide needle core 5 is then inserted sequentially into the needle tube seat 2 and the guide needle tube 3. Finally, the needle core seat 1 and the needle tube seat 2 are tightened. The closed end of the guide needle core 5 presses against the linear biomaterial, preventing it from falling off during subsequent delivery. During the delivery process, the guide needle tube 3 only needs to be inserted into the skin once to deliver the linear biomaterial under the patient's skin. The operation is simple and quick, greatly improving surgical efficiency. The guide needle tube can also be mounted on a syringe and function as an injection needle, giving the delivery device different functions.

[0026] like Figure 1-6As shown, this utility model provides an arc-shaped linear biomaterial delivery device, including a guide needle tube 3, a needle tube seat 2, a guide needle core 5 and a needle core seat 1. The guide needle tube 3, the needle tube seat 2, the needle core seat 1, the limiting member 8 and the guide needle core 5 are all made of titanium alloy or stainless steel. The guide needle tube 3 and the guide needle core 5 adopt an arc-shaped structure design. This design is intended to adapt to the operational needs of curved parts during surgery, such as surgical scenarios that require delivery through the nasal root area or from the glabella along an arc-shaped path.

[0027] The guide needle tube 3 is open at one end and closed at the other end, and a notch 4 is provided on the outer wall near its closed end. The outer diameter of the guide needle tube 3 is 1.5 mm and the wall thickness is 0.3 mm. The length direction of the notch 4 is parallel to the length direction of the guide needle tube 3. The length of the notch 4 is 2-4 mm. The width of the notch 4 is less than or equal to the outer diameter of the guide needle tube 3. This setting is beneficial for the embedding of linear biomaterials.

[0028] The needle tube seat 2 is hollow inside and open at both ends. The open end of the guide needle tube 3 is tightly inserted into one open end of the needle tube seat 2. The shortest distance from the closed end of the guide needle tube 3 to the needle tube seat 2 is 40 mm. The needle tube seat 2 is divided into a first connecting section 11 and a second connecting section 14 along its length. The outer wall of the second connecting section 14 is provided with an external thread 13.

[0029] The needle core seat 1 is open at one end and closed at the other. The maximum outer diameter of the needle core seat 1 is 8 mm. The inner wall of the needle core seat 1 is provided with an internal thread 6 that is adapted to the external thread 13. A limiting member 8 is coaxially fixed inside the needle core seat 1. One end of the guide needle core 5 is provided with a needle core column 21. The limiting member 8 is hollow inside to form a cavity 18 for accommodating the movement of the needle core column 21. The needle core column 21 is divided into an upper end 19 and a lower end 20 from top to bottom. One end of the limiting member 8 is provided with a limiting part 16. The center of the limiting part 16 is provided with a shaft hole 17 for the upper end 19 to move up and down. The inner diameter of the shaft hole 17 is smaller than the outer diameter of the lower end 20. Therefore, when the needle core column 21 moves up and down in the cavity 18, the limiting part 16 will block the lower end 20 to prevent the needle core column 21 from falling off the limiting member 8. The needle core column 21 can move up and down 4 mm in the cavity 18, thereby allowing the guide needle core 5 to move up and down 4 mm.

[0030] When the needle tube seat 2 is separated from the needle core seat 1, the guide needle core 5 can move up and down and rotate relative to the needle core seat 1. The needle tube seat 2 is inserted inside the needle core seat 1, and the limiting member 8 is inserted inside the second connecting section 14. The guide needle core 5 is inserted into the inside of the guide needle tube 3 along the open end of the guide needle tube 3. The needle core seat 1 is screwed on, and the external thread 13 of the second connecting section 14 and the internal thread 6 of the needle core seat 1 are engaged with each other. During the screwing process, the needle core seat 1 and the needle tube seat 2 are connected through the thread pair. The guide needle core 5 is pushed axially along the inner cavity of the guide needle tube 3, so that the other end of the guide needle core 5 is located between the notch 4 and the closed end of the guide needle tube 3. The closed end of the guide needle core 5 will press against the linear biomaterial.

[0031] The needle core seat 1 is provided with a first positioning plane 9 on both sides, and the first connecting section 11 is provided with a second positioning plane 12 on both sides. This arrangement facilitates the tightening of the needle tube seat 2 and the needle core seat 1. After the needle tube seat 2 and the needle core seat 1 are screwed together, the first positioning plane 9 and the second positioning plane 12 are in the same plane.

[0032] The outer wall of the needle core seat 1 is symmetrically provided with multiple first anti-slip textures 10. The length direction of the first anti-slip textures 10 is parallel to the axis of the needle core seat 1. Multiple second anti-slip textures 15 are symmetrically provided on both sides of the first connecting section 11. The length direction of the second anti-slip textures 15 is parallel to the axis of the first connecting section 11. This arrangement makes it easy for the operator to tighten the needle core seat 1 by hand.

[0033] How to use this importer:

[0034] When using this applicator to perform an arc-shaped introduction of linear biomaterials, first separate the needle holder 2 from the needle core holder 1. The guide needle core 5 is no longer inserted into the guide needle tube 3. The operator inserts one end of the linear biomaterial into the guide needle tube 3 through the notch 4, with the end of the linear biomaterial inside the guide needle tube 3 positioned between the notch 4 and the closed end of the guide needle tube 3. After the linear biomaterial is inserted, the guide needle core 5 is then inserted into the needle holder 2 and the guide needle tube 3 in sequence. Finally, the needle core holder 1 and the needle holder 2 are tightened. The closed end of the guide needle core 5 will press against the linear biomaterial, preventing it from falling off during subsequent introduction. Then, the operator begins the linear biomaterial introduction operation. After the introduction is complete, the needle core holder 1 is loosened, allowing the linear biomaterial inside the guide needle tube 3 to detach from the guide needle tube 3.

[0035] In this embodiment, the guide needle tube 3 can also be used as an injection needle. When an injection operation is required, the needle tube seat 2 can be separated from the needle core seat 1, and the needle tube seat 2 can be connected to and fixed with the syringe (not shown in the figure). After the fixation is completed, the injection operation can be performed.

[0036] Beneficial effects:

[0037] The guide needle tube 3 and the guide needle core 5 adopt an arc-shaped structure design, which is designed to adapt to the operation requirements of curved parts during surgery, such as surgical scenarios that need to be inserted through the nasal root area or from the glabella along an arc-shaped path.

[0038] The limiting member 8 has a hollow interior forming a cavity 18 to accommodate the movement of the needle core column 21. The needle core column 21 can move up and down by 4mm within the cavity 18, thereby allowing the guide needle core 5 to move up and down by 4mm. When the needle tube seat 2 is separated from the needle core seat 1, the guide needle core 5 can move up and down and rotate relative to the needle core seat 1, which is more suitable for the operational needs during surgery.

[0039] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An arc-shaped linear biomaterial delivery device, comprising a guide needle tube, a needle tube seat, a needle core seat, and a guide needle core, wherein the guide needle tube is open at one end and closed at the other end, and a notch is provided on the outer wall near its closed end; the needle tube seat is hollow inside and open at both ends; the open end of the guide needle tube is tightly inserted into one open end of the needle tube seat, characterized in that, The guide needle tube is arc-shaped, and one end of the guide needle core is provided with a needle core column. The needle core seat is provided with a limiting member inside. The limiting member is hollow to form a cavity for accommodating the movement of the needle core column. When the needle tube seat and the needle core seat are separated, the guide needle core can move up and down and rotate relative to the needle core seat. The guide needle core is inserted into the guide needle tube, and the needle tube seat and the needle core seat are screwed together so that the other end of the guide needle core is located between the notch and the closed end of the guide needle tube.

2. The arc-shaped linear biomaterial delivery device according to claim 1, characterized in that, The guide needle core is arc-shaped and is inserted into the interior of the guide needle tube along the open end of the guide needle tube.

3. The arc-shaped linear biomaterial delivery device according to claim 1, characterized in that, The needle tube seat is divided into a first connecting section and a second connecting section along its length. The outer wall of the second connecting section is provided with an external thread, and the inner wall of the needle core seat is provided with an internal thread. The needle tube seat is inserted into the needle core seat, and the limiting member is inserted into the second connecting section. When the needle core seat is screwed on, the external thread of the second connecting section and the internal thread of the needle core seat cooperate with each other, so that the needle core seat and the needle tube seat are connected to each other.

4. The arc-shaped linear biomaterial delivery device according to claim 3, characterized in that, The needle core seat has a first positioning plane symmetrically arranged on both sides, and a second positioning plane symmetrically arranged on both sides of the first connecting section. After the needle tube seat and the needle core seat are screwed together, the first positioning plane and the second positioning plane are in the same plane.

5. The arc-shaped linear biomaterial delivery device according to claim 4, characterized in that, The outer wall of the needle core holder is symmetrically provided with multiple first anti-slip grooves, the length direction of which is parallel to the axis of the needle core holder.

6. The arc-shaped linear biomaterial delivery device according to claim 4, characterized in that, The first connecting section has multiple second anti-slip patterns symmetrically arranged on both sides, and the length direction of the second anti-slip patterns is parallel to the axis of the first connecting section.

7. The arc-shaped linear biomaterial delivery device according to claim 1, characterized in that, The needle core is divided into an upper end and a lower end from top to bottom. One end of the limiting member is provided with a limiting part. The center of the limiting part is provided with a shaft hole for the upper end to move up and down, and the inner diameter of the shaft hole is smaller than the outer diameter of the lower end.

8. The arc-shaped linear biomaterial delivery device according to claim 1, characterized in that, The length direction of the notch is parallel to the length direction of the guide needle tube, and the width of the notch is less than or equal to the outer diameter of the guide needle tube.

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