CN220513135U

CN220513135U - Needle knife type thread burying needle

Info

Publication number: CN220513135U
Application number: CN202321666271.1U
Authority: CN
Inventors: 季友胜; 季晋皓
Original assignee: Jiangsu Lepu Medical Instrument Co ltd
Current assignee: Jiangsu Lepu Medical Instrument Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-02-23
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a needle-knife type thread burying needle, which comprises: needle core subassembly, needle tubing subassembly, the needle core subassembly includes: base, nook closing member are connected in the base upper end, and needle tubing subassembly is used for supplying the nook closing member grafting to connect, and needle tubing subassembly includes: grab handle, needle tubing, the needle tubing is connected in grab handle upper end, and the needle tubing upper end has the cutting edge portion, and the cutting edge portion includes: the needle tube is characterized by comprising a cutting edge face A and a cutting edge face B, wherein the cutting edge face A is connected with the cutting edge face B end to end, the cutting edge face A is positioned on the upper side of the cutting edge face B, the cutting edge face A and the cutting edge face B are of inclined structures which are inclined downwards, the inclination angle of the cutting edge face B is larger than that of the cutting edge face A, and a hole body for inserting a needle core is further formed along the length of the tube. The sharpness of the edge part is reduced by arranging the edge surface A with a slow gradient, so that the resistance of the edge part entering the skin and moving in tissues is increased, the hand feeling is provided for medical staff who performs operations, the edge part can cut pathological tissues, and the needle core can be matched with a buried wire, so that the product has the functions of a buried wire needle and a small needle knife.

Description

Needle knife type thread burying needle

Technical Field

The utility model relates to the technical field of thread embedding needles, in particular to a needle-knife type thread embedding needle.

Background

The buried line needle is an acupuncture medical device, which can stimulate channels and collaterals, balance yin and yang, harmonize qi and blood and adjust viscera through the needle and the medicine lines in the acupoints, so as to treat diseases, and the small needle knife is also an acupuncture medical device, which is mainly used for cutting adhesion tissues caused by inflammation, thereby reducing or eliminating pain of patients. Medical staff performs an operation using a small needle knife, and usually, the hand feeling during the operation is paid more attention to the tissue to be cut, whereas a buried needle is sharp and has a poor hand feeling, and is difficult to use as a medical instrument for cutting the tissue, so that the two are generally not commonly used.

Disclosure of Invention

The embodiment of the application provides the needle-knife type thread burying needle, so that the product can have the functions of the thread burying needle and the small needle knife.

The embodiment of the application provides a needle sword money buries line needle, includes:

a needle assembly comprising:

a base;

the needle core is connected to the upper end of the base;

needle tubing subassembly for supply the needle core subassembly plug connection includes:

a grab handle;

needle tubing connect in grab handle upper end, the needle tubing upper end has the cutting edge portion, and the cutting edge portion includes: the needle tube comprises a cutting edge surface A and a cutting edge surface B, wherein the cutting edge surface A is connected with the cutting edge surface B end to end, the cutting edge surface A is positioned on the upper side of the cutting edge surface B, the cutting edge surface A and the cutting edge surface B are of inclined structures which are inclined downwards, the inclination angle of the cutting edge surface B is larger than that of the cutting edge surface A, a hole body is further formed in the length of the needle tube along the tube, the hole body is a through hole, and a needle core is inserted into the hole body.

The beneficial effects of the above embodiment are that: the sharpness of the edge part is reduced by arranging the edge surface A with a slow gradient, so that the resistance of the edge part entering the skin and moving in tissues is increased, the hand feeling is provided for medical staff who performs operations, pathological tissues can be cut by matching the edge surface A with the edge surface B, and the thread burying operation can be performed by matching the needle core with the needle tube, so that the product has the functions of a thread burying needle and a small needle knife.

On the basis of the above embodiment, the embodiment of the present application may further be modified as follows:

in one of the embodiments of the present application: the novel needle core is characterized in that a groove is formed in the upper end of the base, a boss is arranged in the groove, the needle core is connected to the boss, reinforcing ribs for connecting groove walls on two sides of the groove are further arranged in the groove, an accommodating cavity which is communicated with the hole body is formed in the middle of the grab handle from bottom to top, the accommodating cavity is used for allowing the needle core to pass through, the accommodating cavity is of a conical structure with a small upper part and a large lower part, and the boss is inserted into the lower end of the accommodating cavity. The beneficial effects of this step are: the weight of base can be reduced to the recess, and the strengthening rib can improve the intensity of base structure.

In one of the embodiments of the present application: the upper end of the base is provided with a positioning block in an upward protruding mode, and a positioning groove for inserting the positioning block is formed in the lower edge of the grab handle corresponding to the positioning block. The beneficial effects of this step are: the needle core component can be stably connected to the needle tube component through the matching of the positioning block and the positioning groove.

In one of the embodiments of the present application: the grab handle is bilateral symmetry structure, the grab handle includes: the needle tube comprises a holding part A and a holding part B, wherein the holding part B is positioned at the upper end of the holding part A, and the needle tube is connected to the upper end of the holding part B. The beneficial effects of this step are: through setting up gripping portion A and gripping portion B of upper and lower structure, medical staff can selectively grasp as required, has improved the ease of use of grab handle.

In one of the embodiments of the present application: the left side and the right side of the holding part A are wavy continuously-changing arc sections, and the arc section positioned at the upper side is closer to the center of the holding part relative to the arc section positioned at the lower side, so that the holding part A is of a structure with a small upper part and a big lower part.

In one of the embodiments of the present application: the number of the arc-shaped sections of any one side of the holding part A is two, and a positioning area A for positioning fingers is formed between the two arc-shaped sections. The beneficial effects of this step are: the upper arc section and the lower arc section limit the fingers, so that the stability of the fingers when holding the grab handle can be improved, and the probability of upward or downward sliding of the fingers relative to the grab handle is reduced.

In one of the embodiments of the present application: the left side and the right side of the holding part B are respectively provided with a protruding section A towards the corresponding direction, the upper end of the holding part B is upwards provided with a protruding section B, and the protruding section B is used for connecting the needle tube; the upper edge of the holding part A is connected to the middle part of the lower edge of the holding part B, a positioning area B for preventing fingers from sliding is formed between the lower edge of the holding part B and the side surface of the holding part A, and a positioning area C for positioning the fingers is formed between the side surface of the protruding section B and the upper edge of the corresponding protruding section A. The beneficial effects of this step are: the positioning areas B and C provide different gripping positions and gripping modes for medical staff, so that the usability of the product is improved.

In one of the embodiments of the present application: further comprises: the sleeve is arranged at the upper end of the protruding section A, the lower end of the needle tube penetrates through the protruding column and stretches into the protruding section A, and the sleeve is sleeved on the outer side of the needle tube and is connected with the protruding column in a sleeved mode. The beneficial effects of this step are: the needle tube can be protected by the sleeve.

In one of the embodiments of the present application: the front side and the rear side of the holding part A are respectively provided with a groove body A, and the side of the holding part B is respectively provided with a groove body B. The beneficial effects of this step are: the groove body A and the groove body B can provide a gripping space for medical staff.

In one of the embodiments of the present application: the outer side of the needle tube is uniformly provided with a plurality of scales at equal intervals along the length direction of the needle tube. The beneficial effects of this step are: the medical staff can conveniently master the depth of the needle tube inserted into the skin through the scales.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic view of a needle cannula assembly;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of a needle assembly;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic view of the sleeve structure.

The device comprises a 1 needle core assembly, a 101 base, a 102 needle core, 103 grooves, 104 bosses, 105 reinforcing ribs and 106 positioning blocks;

2 needle tube component, 201 grab handle, 202 needle tube, 203 edge part, 204 edge surface A,205 edge surface B,206 holding cavity, 207 positioning groove, 208 holding part A,209 holding part B,210 arc section, 211 protruding section A,212 protruding section B,213 convex column, 214 groove body A,215 groove body B,216 scale;

and 3, sleeving.

Detailed Description

In this application, unless explicitly stated and limited otherwise, terms such as mounting, connecting, securing, affixing, etc., should be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; the connection can be mechanical connection, and the mechanical connection mode can be selected from proper connection modes in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or may be electrically connected to transmit energy or signals via electricity; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A needle-knife type buried thread needle, comprising: the needle core subassembly 1, needle tubing subassembly 2, needle core subassembly 1 includes: base 101, nook closing member 102 connect in base 101 upper end, and needle tubing assembly 2 are used for supplying nook closing member 1 grafting to connect, and needle tubing assembly 2 includes: handle 201, needle tube 202 connects in handle 201 upper end, and needle tube 202 upper end has cutting edge portion 203, and cutting edge portion 203 includes: the needle tube comprises a cutting edge surface A204 and a cutting edge surface B205, wherein the cutting edge surface A204 is connected with the cutting edge surface B205 end to end, the cutting edge surface A204 is positioned on the upper side of the cutting edge surface B205, the cutting edge surface A204 and the cutting edge surface B205 are of inclined structures which are inclined downwards, the inclination angle of the cutting edge surface B205 is larger than that of the cutting edge surface A204, a hole body is further formed in the needle tube 202 along the length of the tube, the hole body is a through hole, and a needle core 102 is inserted into the hole body.

The upper end of the base 101 is provided with a groove 103, a boss 104 is arranged in the groove 103, the needle core 102 is connected with the boss 104, the groove 103 is also provided with a reinforcing rib 105 for connecting groove walls on two sides of the groove 103, the middle of the grab handle 201 is provided with a containing cavity 206 communicated with a hole body from bottom to top, the containing cavity 206 is used for the needle core 102 to pass through, the containing cavity 206 is of a conical structure with a small upper part and a big lower part, and the boss 104 is inserted into the lower end of the containing cavity 206.

Specifically, the base 101 is provided with the groove 103, so that the weight of the base 101 can be reduced, and the structural strength of the base 101 can be improved by arranging the reinforcing ribs 105 in the groove 103.

Specifically, the boss 104 is a truncated cone structure with a large upper part and a small lower part, the boss 104 is provided with a through hole along an axis, the lower end of the needle core 102 is inserted into the through hole and is in adhesive connection with the boss 104, the upper end of the needle core 102 is a pointed end, the boss 104 is arranged to facilitate increasing the depth of the through hole, so that the adhesive length between the needle core 102 and the boss 104 is increased, the stability of connection between the needle core 102 and the boss 104 is improved, in addition, the boss 104 can be guided and limited when being inserted into the accommodating cavity 206, and the stability of movement and positioning of the boss 104 is improved.

The upper end of the base 101 protrudes upwards to form a positioning block 106, a positioning groove 207 for inserting the positioning block 106 is formed in the lower edge of the grab handle 201 corresponding to the positioning block 106, and the needle core assembly 1 can be stably connected with the needle tube assembly 2 through the insertion connection of the positioning block 106 and the positioning groove 207.

The grab handle 201 is bilateral symmetry structure, and grab handle 201 includes: the holding part A208 and the holding part B209, the holding part B209 is positioned at the upper end of the holding part A208, the needle tube 202 is connected to the upper end of the holding part B209, and the holding part A208 and the holding part B209 with the vertical structures are arranged, so that operators can selectively grasp according to the needs, and the usability of the grab handle 201 is improved.

The left side and the right side of the holding part A208 are wavy continuously-changing arc sections 210, and the arc section 210 positioned on the upper side is closer to the center of the holding part than the arc section 210 positioned on the lower side, so that the holding part A208 has a structure with a smaller upper part and a larger lower part.

The two arc-shaped sections 210 on either side of the holding part A208 form a positioning area A for positioning fingers between the two arc-shaped sections 210.

Specifically, the two arc sections 210 on the same side can be identical or different in shape, the arc sections 210 are of convex arc structures, an excessively used concave arc section is arranged between the two convex arcs, the two arc sections 210 are connected through the concave arc section, the positioning area A is located at the concave arc section, the fingers are limited at the concave arc section through the upper arc section 210 and the lower arc section 210, the stability of the fingers when holding the grab handle 201 can be improved, and the probability of upward or downward sliding of the fingers relative to the grab handle 201 is reduced.

The left and right sides of portion B209 of gripping is provided with protruding section A211 towards corresponding direction respectively, and the upper end of portion B209 of gripping upwards is provided with protruding section B212, and protruding section B212 is used for connecting needle tubing 202, and the upper edge of portion A208 of gripping is connected in the lower edge middle part of portion B209 of gripping, forms the location district B that prevents the finger and slide between the lower edge of portion B209 of gripping and the side of portion A208 of gripping, forms location district C that the location finger was used between protruding section B212's side and the upper edge of corresponding protruding section A211.

Specifically, the operator can directly grasp the positioning area B, and limit the finger along the lower edge of the grip portion B209 above, so as to prevent the finger from sliding upwards relative to the grip 201, and meanwhile, because the arc section 210 is of a convex arc structure, when the finger is held in the positioning area B, the convex arc structure can also prevent the finger from sliding downwards relative to the grip 201, so that the finger can be stably positioned in the positioning area B.

Specifically, the operator can also grasp the grab handle 201 by the index finger and middle finger clamping and positioning area C, the thumb and the ring finger clamping and positioning area B, so that a plurality of different grasping positions and grasping modes can be provided for the operator through the positioning area A, the positioning area B and the positioning area C, and the usability of the product is improved.

This kind of needle sword money buries line needle still includes: the upper end of the protruding section A211 is provided with the protruding column 213, the lower end of the needle tube 202 penetrates through the protruding column 213 and stretches into the protruding section A211, the sleeve 3 is sleeved outside the needle tube 202 and is connected with the protruding column 213 in a sleeved mode, the connection length of the needle tube 202 and the handle is increased through the protruding column 213, and therefore the connection stability of the needle tube 202 is improved, and the needle tube 202 can be protected through the arrangement of the tube sleeve capable of being movably connected in a plugging mode.

Groove body A214 has all been seted up to the side around the portion of gripping A208, and groove body B215 has all been seted up to the side of portion of gripping B209, through setting up groove body A214 and groove body B215, can play the effect of reducing weight on the one hand, on the other hand can provide another place and grasp the space for operating personnel.

A plurality of graduations 216 are evenly spaced along the length of the needle cannula 202 outside the needle cannula 202.

Specifically, scale 216 is a circular mark etched on the outer ring of needle tube 202 by an etcher, the distance between the uppermost scale 216 and the top end of needle tube 202 is 1cm, the distance between adjacent scales 216 is 1cm, and the depth of needle tube 202 inserted into the skin is convenient for operators to master by scales 216.

When the needle knife type catgut embedding needle is used as catgut embedding needle, catgut or protein thread is directly placed through the needle tube 202, the catgut or protein thread is sent to an affected part through the needle tube 202, and the catgut or protein thread is sent to the affected part through the needle core 102, so that catgut embedding operation is completed; when the needle-knife type thread embedding needle is used as a needle knife, the needle core 102 is placed into the needle tube 202, so that tissues such as skin and meat are prevented from entering the needle tube 202, and the tissues enter an affected part through the cutting edge 203 at the front end of the needle tube 202, and the cutting edge 203 is provided with two cutting edges A204 and B205 with different angles, so that the sharpness of the cutting edge A204 at the forefront end is smaller, namely the opposite sense of peace is larger, and the tissues can be cut through the cutting edge 203.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. A needle knife type thread burial needle, comprising:

a needle assembly comprising:

a base;

the needle core is connected to the upper end of the base;

a grab handle;

2. The needle knife type thread burial needle according to claim 1, wherein the upper end of the base is provided with a groove, a boss is configured in the groove, the needle core is connected to the boss, reinforcing ribs for connecting two side groove walls of the groove are further arranged in the groove, a containing cavity which is communicated with the hole body is arranged in the middle of the grab handle from bottom to top, the containing cavity is used for the needle core to penetrate through, the containing cavity is of a conical structure with a small upper part and a big lower part, and the boss is inserted into the lower end of the containing cavity.

3. The needle knife type thread burial needle according to claim 1, wherein a positioning block protrudes upwards from the upper end of the base, and a positioning groove for inserting the positioning block is formed in the lower edge of the grab handle corresponding to the positioning block.

4. The needle knife type thread burial needle according to claim 1, wherein the handle is of a bilateral symmetry structure, and the handle comprises: the needle tube comprises a holding part A and a holding part B, wherein the holding part B is positioned at the upper end of the holding part A, and the needle tube is connected to the upper end of the holding part B.

5. The needle knife type thread burial needle according to claim 4, wherein the left and right sides of the holding part A are arc-shaped sections with wavy continuous changes, and the arc-shaped section positioned on the upper side is closer to the center of the holding part than the arc-shaped section positioned on the lower side, so that the holding part A has a structure with smaller top and larger bottom.

6. The needle knife type thread burial needle according to claim 5, wherein two arc-shaped sections of the holding part A on any side form a positioning area A for positioning fingers.

7. The needle knife type thread burial needle according to claim 6, wherein the left and right sides of the holding part B are respectively provided with a protruding section A towards the corresponding direction, the upper end of the holding part B is upwards provided with a protruding section B, and the protruding section B is used for connecting the needle tube;

the upper edge of the holding part A is connected to the middle part of the lower edge of the holding part B, a positioning area B for preventing fingers from sliding is formed between the lower edge of the holding part B and the side surface of the holding part A, and a positioning area C for positioning the fingers is formed between the side surface of the protruding section B and the upper edge of the corresponding protruding section A.

8. The needle knife type buried wire needle according to claim 7, further comprising: the sleeve is arranged at the upper end of the protruding section A, the lower end of the needle tube penetrates through the protruding column and stretches into the protruding section A, and the sleeve is sleeved on the outer side of the needle tube and is connected with the protruding column in a sleeved mode.

9. The needle knife type thread burial needle according to claim 4, wherein the front side and the rear side of the holding part A are provided with groove bodies A, and the side of the holding part B is provided with groove bodies B.

10. The needle-knife type thread burial needle according to claim 1, wherein a plurality of scales are uniformly distributed on the outer side of the needle tube at equal intervals along the length direction of the needle tube.