CN213963560U - Small needle knife with horizontal edge surface - Google Patents
Small needle knife with horizontal edge surface Download PDFInfo
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- CN213963560U CN213963560U CN202022826081.4U CN202022826081U CN213963560U CN 213963560 U CN213963560 U CN 213963560U CN 202022826081 U CN202022826081 U CN 202022826081U CN 213963560 U CN213963560 U CN 213963560U
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Abstract
The utility model discloses a horizontal blade surface small needle knife, which belongs to the field of traditional Chinese medicine acupuncture medical instruments. The utility model relates to a horizontal blade surface small needle knife, which comprises a needle head, a needle body and a needle handle which are connected in sequence, wherein the needle head and the needle body are integrally formed, and the needle handle is sleeved outside the rear part of the needle body; the needle body is a cylinder, and the diameter of the needle body is 0.1 mm-4 mm which is the same as the diameter of the needle head; the needle head is provided with at least two edge surfaces, and each edge surface is an inclined plane edge. The utility model discloses a cutting edge is the horizontality, uses the blade to progressively upwards form trapezoidal two horizontal end faces as the starting point, and this kind of cutting edge structure has guaranteed that the biggest atress position is on the blade, has guaranteed that the doctor is not leading to needle sword cutting edge crooked because of exerting oneself or tired the needle of exerting oneself at the in-process of giving an emergency to the needle, appears the blade and rolls up the sword phenomenon, has avoided unnecessary medical negligence to take place.
Description
Technical Field
The utility model relates to the field of traditional Chinese medical acupuncture and moxibustion medical instruments, in particular to a horizontal blade face small needle knife.
Background
Small needle knife therapy is an occlusive, relaxing technique that is intermediate between surgical and non-surgical procedures. The Chinese medicine preparation is mainly used for treating some chronic soft tissue strain and adhesive diseases, and is characterized in that different initial stimulation such as easy cutting, peeling and the like is carried out on a treatment part from a deep part to a pathological change part so as to achieve the purpose of relieving pain and removing diseases, and the Chinese medicine preparation conforms to the theory of 'obstruction and pain' in traditional Chinese medicine. Has the characteristics of good curative effect, little pain, no incision scar after operation, quick response and the like, is popular with doctors and patients, and is a commonly developed treatment method for orthopedics and traumatology at present.
At present, the blade surfaces of all small needle knives on the market have cambered surfaces with different degrees. Due to the existence of the cambered surface, when a doctor applies a needle up and down, the cambered surface is the maximum stress bearing position, and is a point where the needle knife is stressed weakest, and the needle knife is easy to bend. Because the inner arc surface is the weakest stress position of the small needle knife, a large amount of blade surface bending occurs in long-term medical practice, a plurality of pains are brought to patients, and some unnecessary medical accidents are caused.
In addition, most of the existing cutting needles are needle handles, needle rods and needles which are integrated, and the needle handles are smooth and cylindrical, so that the needle handles are not easy to pinch during treatment, and therefore, the direction of the cutting edge of the needle head is difficult to master, and the safety of the treatment is not easy to master.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The cutting edge face easy bending to above-mentioned little needle sword causes the problem of unnecessary medical negligence, the utility model discloses a little needle sword of horizontal cutting edge face, the cutting edge face on both sides is the horizontal state, gradually upwards form trapezoidal two horizontal terminal surfaces with the blade as the starting point, this kind of cutting edge face structure has guaranteed that the doctor is when executing the needle, little needle sword maximum stress point position is on the needle sword blade, guaranteed that the doctor is executing the needle in-process not leading to the needle sword cutting edge face crooked because of exerting oneself or tired executing the needle, the blade edge phenomenon of rolling up appears, avoided unnecessary medical negligence to take place.
In addition, the utility model discloses design the structure of needle handle, make the user can find the direction of syringe needle sword face according to the shape of needle handle, even the blind person is also suitable for equally, holds between the fingers when being convenient for treat.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
a horizontal blade surface small needle knife comprises a needle head, a needle body and a needle handle which are connected in sequence, wherein the needle head and the needle body are integrally formed, and the needle handle is sleeved outside the rear part of the needle body; the needle body is a cylinder, and the diameter of the needle body is 0.1 mm-4 mm which is the same as the diameter of the needle head; the needle head is provided with at least two edge surfaces, and each edge surface is an inclined plane edge.
According to a further technical scheme, the needle head is provided with two edge surfaces, and included angles formed by the two edge surfaces and the central axis of the needle body are theta respectively1And theta2The blade surface is in a horizontal state, and the horizontal plane blade surface cannot be bent within the range of material hardness, fatigue strength and plastic deformation.
Further technical solution, theta1Angle of (a) and theta2The angle is 3-10 degrees, the blade surface structure ensures that the position of the maximum stress point of the small needle knife is on the cutting edge of the needle knife when a doctor applies a needle, thereby ensuring that the blade surface of the needle knife is not bent and the phenomenon of edge rolling of the cutting edge is avoided when the doctor applies the needle by force or fatigue, and avoiding the occurrence of unnecessary medical accidents.
In a further technical scheme, the length of the blade face is 4-20 mm.
According to a further technical scheme, the needle head is provided with four edge surfaces, wherein the four edge surfaces comprise two small edge surfaces and two large edge surfaces; the small blade surface is positioned at the end part of the needle head, and the large blade surface is a transition surface of the small blade surface connected with the needle body; the included angle formed by the small blade face and the central axis of the needle body is larger than the included angle formed by the large blade face and the central axis of the needle body, the small blade face and the large blade face gradually form two trapezoidal horizontal end faces by taking the cutting edge as a starting point, and the blade face structure ensures that the position of the maximum stress point of the small needle knife is on the cutting edge of the needle knife when a doctor applies a needle, so that the phenomenon that the cutting edge rolls up due to the fact that the needle knife blade face is bent and the cutting edge is not caused by force or fatigue application of the needle in the needle application process of the doctor is avoided, and unnecessary medical accidents are avoided.
In a further technical scheme, the included angle formed by the small blade surface and the central axis of the needle body is alpha1，α1Is 20-40 degrees.
In a further technical scheme, the included angle formed by the large blade surface and the central axis of the needle body is alpha2，α2Is 3-10 degrees.
According to a further technical scheme, the needle handle is a plane handle with navigation, the plane handle is an elliptic cylinder, and a plane where a long half shaft of the elliptic cylinder is located coincides with a horizontal plane where the needle point is located, so that the direction of the needle head blade surface can be conveniently found.
According to a further technical scheme, the needle handle is a vertical stripe handle with navigation, a handheld part is arranged on the needle handle close to one end of the needle rod, and the handheld part is an inclined plane; the plane of the hand-held part is parallel to the blade face of the needle, so that the direction of the blade face of the needle can be conveniently found.
According to a further technical scheme, the needle handle is a threaded handle with navigation, a handheld part is arranged on the needle handle close to one end of the needle rod, and the handheld part is an inclined plane; the plane of the hand-held part is parallel to the blade face of the needle, so that the direction of the blade face of the needle can be conveniently found.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a little needle sword of horizontal cutting edge, the both sides cutting edge of syringe needle is the horizontal plane, gradually upwards form trapezoidal two horizontal terminal surfaces with the blade as the starting point, this kind of cutting edge structure has guaranteed that the doctor is when executing the needle, and little needle sword maximum stress point position is on the needle sword blade, has guaranteed that the doctor is not leading to the needle sword cutting edge crooked because of executing the needle hard or tired in-process, appears the blade and rolls up the sword phenomenon, has avoided unnecessary medical negligence to take place.
(2) The utility model discloses a little needle sword of horizontal cutting edge face, cutting edge face itself is the horizontality, and in material hardness, fatigue strength, plastic deformation within range, the horizontal cutting edge face can not bend.
(3) The utility model discloses a little needle sword of horizontal cutting edge face, blade, cutting edge face and needle body are stainless steel, guarantee that syringe needle and needle body have certain hardness, are difficult for buckling.
(4) The utility model discloses a little needle sword of horizontal cutting edge face, needle handle are the screw thread handle or the plastics handle of moulding plastics of navigating of metal aluminum pipe navigation handle, metal copper wire coiling, are convenient for grip, low cost.
(5) The utility model discloses a little needle sword of horizontal cutting edge, the slope plane of the last handheld portion of needle handle is parallel with the cutting edge of syringe needle, and such design can conveniently grip the direction that can control the syringe needle again, and stability is increased guarantees the safety when treating.
Drawings
FIG. 1 is an enlarged view of the structure of the needle with two blade faces of the present invention;
FIG. 2 is an enlarged view of the four-edged needle of the present invention;
FIG. 3 is a schematic structural view of the needle head with two blade surfaces according to the present invention;
FIG. 4 is a schematic structural view of the four-edged needle of the present invention;
FIG. 5 is a schematic structural view of the planar handle of the needle knife with two blade surfaces;
FIG. 6 is a schematic structural view of the vertical stripe handle of the needle knife with two edge surfaces;
FIG. 7 is a schematic structural view of the threaded shank of the four-edged needle knife of the present invention;
fig. 8 is a schematic structural view of the planar handle of the four-edged needle knife of the present invention.
In the figure:
1. a needle head; 11. a small blade face; 12. a large blade face;
2. a needle body;
3. a needle handle; 31. a hand-held portion.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The horizontal-edge-surface small needle knife of the embodiment, as shown in fig. 1 to 4, includes a needle head 1, a needle body 2 and a needle handle 3 which are connected in sequence, the needle head 1 and the needle body 2 are integrally formed, and the needle handle 3 is sleeved outside the rear portion of the needle body 2; the needle body 2 is a cylinder, and the diameter of the needle body is 0.1 mm-4 mm which is the same as the diameter of the needle head 1; the needle head 1 is provided with at least two edge surfaces, and each edge surface is an inclined plane edge.
The present embodiment provides two embodiments of the small needle knife, wherein one embodiment is as follows: the needleThe head 1 has two facets, shown in figures 1 and 3 as OA and OB horizontal planes, respectively, which are beveled edges. The included angles formed by the two edge surfaces and the central axis of the needle body 2 are respectively theta1And theta2The OA blade face forms an included angle theta with the central axis of the needle body 21Angle 3-10 degrees, and included angle theta formed by OB edge surface and central axis of the needle body 22The angle is 3-10 degrees, the OA edge surface and the OB edge surface are symmetrical by taking the central axis of the needle body 2 as a symmetrical line, and the lengths of the OA edge surface and the OB edge surface are both 4-20 mm. Because the blade face is in a horizontal state, the horizontal plane blade face cannot be bent within the range of material hardness, fatigue strength and plastic deformation. The blade face structure ensures that the position of the maximum stress point of the small needle knife is on the blade of the needle knife when a doctor applies a needle, and the blade face in the embodiment has no radian and is a horizontal blade face, so that the blade edge curling phenomenon of the blade edge caused by the fact that the needle is applied by the doctor with force or fatigue is avoided, and unnecessary medical accidents are avoided.
The other implementation mode is as follows: the needle head 1 is provided with four edge surfaces, as shown in fig. 2 and 4, the four edge surfaces are also bevel edges and comprise two small edge surfaces 11 and two large edge surfaces 12; the small blade surfaces 11 are positioned at the end part of the needle head 1, the large blade surfaces 12 are transition surfaces of the small blade surfaces 11 connected with the needle body 2, the two small blade surfaces 11 are symmetrical by taking the central axis of the needle body 2 as a symmetrical line, and the two large blade surfaces 12 are also symmetrical by taking the central axis of the needle body 2 as a symmetrical line; the included angle formed by the small blade surface 11 and the central axis of the needle body 2 is larger than the included angle formed by the large blade surface 12 and the central axis of the needle body 2, and the included angle formed by the small blade surface 11 and the central axis of the needle body 2 is alpha1，α120-40 degrees, and the included angle formed by the large blade face 12 and the central axis of the needle body 2 is alpha2，α2Is 3-10 degrees. In the embodiment, the cutting edge is a horizontal cutting edge in the direction vertical to the cutting surface, the small cutting surface 11 and the large cutting surface 12 form two trapezoidal horizontal end surfaces gradually upwards by taking the cutting edge as a starting point, the structure of the cutting surface ensures that the maximum stress point of the small needle knife is positioned on the cutting edge of the needle knife when a doctor performs a needle, and the cutting surface has no radian and is a horizontal cutting surface, so that the needle is not performed by the doctor due to force or fatigue in the needle application processAnd the edge surface of the needle knife is bent, the edge rolling phenomenon occurs, and unnecessary medical accidents are avoided.
Example 2
The basic structure of the horizontal blade surface small needle knife of the embodiment is the same as that of the embodiment 1, and the differences and improvements are that: as shown in fig. 5 and 8, the needle handle 3 is a planar handle with navigation, the planar handle is an elliptical cylinder, a plane where a long semi-axis of the elliptical cylinder is located coincides with a horizontal plane where the needle point is located, and the planar handle is provided with vertical stripes to increase friction force, so that the needle handle can be conveniently held and the direction of the needle head 1 can be controlled, the stability is increased, and the safety during treatment is ensured.
When the needle is used, fingers contact the hand-held part 31, the inclined direction of the hand-held part 31 is consistent with the inclined direction of the OA (OB) edge surface or the large edge surface 12 of the needle 1, and after the needle 1 enters a lesion site, the pressure of the affected tissue can be accurately reduced, stripped and loosened through the movement of the fingers.
Example 3
The basic structure of the horizontal blade surface small needle knife of the embodiment is the same as that of the embodiment 2, and the differences and improvements are that: as shown in fig. 6. The needle handle 3 is a vertical stripe handle with navigation, a hand-held part 31 is arranged on the needle handle 3 close to one end of the needle rod, and the hand-held part 31 is an inclined plane; the plane of the handheld part 31 is parallel to the blade face of the needle head 1, the vertical stripe handle can increase friction force, the design can be conveniently held, the direction of the needle head 1 can be controlled, the stability is increased, and the safety during treatment is guaranteed.
When the needle is used, fingers contact the hand-held part 31, the inclined direction of the hand-held part 31 is consistent with the inclined direction of the OA (OB) edge surface or the large edge surface 12 of the needle 1, and after the needle 1 enters a lesion site, the pressure of the affected tissue can be accurately reduced, stripped and loosened through the movement of the fingers.
Example 4
The basic structure of the horizontal blade surface small needle knife of the embodiment is the same as that of the embodiment 3, and the differences and improvements are that: as shown in fig. 7, the needle handle 3 is a threaded handle with navigation, a hand-held part 31 is arranged on the needle handle 3 near one end of the needle rod, and the hand-held part 31 is an inclined plane; the plane of the handheld part 31 is parallel to the blade face of the needle head 1, the thread handle can increase friction force, the design can be conveniently held, the direction of the needle head 1 can be controlled, the stability is improved, and the safety during treatment is guaranteed.
When the needle is used, fingers contact the hand-held part 31, the inclined direction of the hand-held part 31 is consistent with the inclined direction of the OA (OB) edge surface or the large edge surface 12 of the needle 1, and after the needle 1 enters a lesion site, the pressure of the affected tissue can be accurately reduced, stripped and loosened through the movement of the fingers.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. A horizontal blade surface small needle knife comprises a needle head (1), a needle body (2) and a needle handle (3) which are sequentially connected, wherein the needle head (1) and the needle body (2) are integrally formed, and the needle handle (3) is sleeved on the rear part of the needle body (2); the needle body (2) is a cylinder, and the diameter of the needle body is 0.1-4 mm which is the same as that of the needle head (1); the method is characterized in that: the needle head (1) is provided with at least two edge surfaces, and each edge surface is an inclined plane edge.
2. A horizontal facet pin knife as claimed in claim 1, wherein: the needle head (1) is provided with two edge surfaces, and included angles formed by the two edge surfaces and the central axis of the needle body (2) are theta respectively1And theta2。
3. A horizontal facet pin knife as claimed in claim 2, wherein: theta1Angle of (a) and theta2The angles are all 3-10 degrees.
4. A horizontal facet pin knife according to claim 3 in which: the length of the blade face is 4 mm-20 mm.
5. A horizontal facet pin knife as claimed in claim 1, wherein: the needle head (1) is provided with four edge surfaces, including two small edge surfaces (11) and two large edge surfaces (12); the small blade surface (11) is positioned at the end part of the needle head (1), and the large blade surface (12) is a transition surface of the small blade surface (11) connected with the needle body (2); the included angle formed by the small cutting surface (11) and the central axis of the needle body (2) is larger than the included angle formed by the large cutting surface (12) and the central axis of the needle body (2).
6. A horizontal facet pin knife according to claim 5 in which: the included angle formed by the small edge surface (11) and the central axis of the needle body (2) is alpha1，α1Is 20-40 degrees.
7. A horizontal facet pin knife according to claim 6, wherein: the included angle formed by the large edge surface (12) and the central axis of the needle body (2) is alpha2，α2Is 3-10 degrees.
8. A horizontal facet pin knife according to any one of claims 1 to 7, wherein: the needle handle (3) is a plane handle with navigation, the plane handle is an elliptic cylinder, and a plane where a long half shaft of the elliptic cylinder is located coincides with a horizontal plane where the cutting edge is located.
9. A horizontal facet pin knife according to any one of claims 1 to 7, wherein: the needle handle (3) is a vertical stripe handle with navigation, a handheld part (31) is arranged on the needle handle (3) close to one end of the needle body (2), and the handheld part (31) is an inclined plane; the plane of the hand-held part (31) is parallel to the blade surface of the needle head (1).
10. A horizontal facet pin knife according to any one of claims 1 to 7, wherein: the needle handle (3) is a threaded handle with navigation, a handheld part (31) is arranged on the needle handle (3) close to one end of the needle body (2), and the handheld part (31) is an inclined plane; the plane of the hand-held part (31) is parallel to the blade surface of the needle head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826081.4U CN213963560U (en) | 2020-11-30 | 2020-11-30 | Small needle knife with horizontal edge surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826081.4U CN213963560U (en) | 2020-11-30 | 2020-11-30 | Small needle knife with horizontal edge surface |
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| Publication Number | Publication Date |
|---|---|
| CN213963560U true CN213963560U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022826081.4U Active CN213963560U (en) | 2020-11-30 | 2020-11-30 | Small needle knife with horizontal edge surface |
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| Country | Link |
|---|---|
| CN (1) | CN213963560U (en) |
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2020
- 2020-11-30 CN CN202022826081.4U patent/CN213963560U/en active Active
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