WO2006011190A1

WO2006011190A1 - Acupuncture and moxibustion needle and method of manufacturing the needle

Info

Publication number: WO2006011190A1
Application number: PCT/JP2004/010613
Authority: WO
Inventors: Daisuke Itoh; Ryoichi Nakano
Original assignee: Seirin Corporation
Priority date: 2004-07-26
Filing date: 2004-07-26
Publication date: 2006-02-02
Also published as: JPWO2006011190A1; JP4163213B2

Abstract

An acupuncture and moxibustion needle used for acupuncture treatment and a method of manufacturing the acupuncture and moxibustion needle. The acupuncture and moxibustion needle is securely fixed in the state of its needle body aligned with the axial center of its cylindrical needle shank and comprises the metal needle body (1) having a needle tip part formed at the tip thereof and the cylindrical metal needle shank (2) fitted to the base part (1b) of the needle body (1). The method of manufacturing the acupuncture and moxibustion needle comprises the steps of press-working the outer peripheral surface of the needle shank (2) by punches (5) and (6) having projected parts or recessed parts formed at the portions thereof for pressing the outer peripheral surface of the needle shank (2) to form fixed parts (4) and (4) having recessed and projected shapes in the longitudinal direction of the needle shank (2) and to bend the base part (1b) of the needle body (1) along the recessed and projected shapes of the fixed parts (4) and (4).

Description

Specification

Acupuncture needle and its manufacturing method

Technical field

TECHNICAL FIELD [0001] The present invention relates to an acupuncture needle used for acupuncture, and more particularly to an acupuncture needle that is securely fixed in a state where a needle body is aligned with an axial center of a cylindrical needle handle and a method for manufacturing the same. Background art

[0002] Conventionally, various acupuncture needles used for acupuncture have been proposed. As an example, as shown in FIG. 7, a metal needle body 1 having a needle tip portion la formed at the tip, and a cylindrical metal needle handle 2 attached to the base side of the needle body 1 are provided. There is a needle made of Here, when attaching the needle handle 2 to the needle body 1, as shown in FIG. 8, for example, a part of the needle handle 2 is pressed with two punches 3, 3 having rounded tips. By caulking the outer peripheral surface, the inner surface of the needle handle 2 was sandwiched between the base lb of the needle body 1 and both were fixed.

Patent Document 1: JP-A-8-131513

Disclosure of the invention

Problems to be solved by the invention

[0003] However, in such a conventional scissors, the outer surface of the needle handle 2 is pressed from two directions by two punches 3 and 3 as shown in FIG. The force that caulked the outer peripheral surface As shown in Fig. 8, since the base lb of the needle body 1 was kept straight in the needle handle 2, the needle handle 2 internal force Needle body 1 could come off. It was. In addition, by performing press working using the punches 3 and 3, the axial center force of the needle handle 2 may be detached or attached in an inclined state.

Further, in order to securely fix the needle body 1 and the needle handle 2, as shown in FIG. 10, the outer peripheral surface of the needle handle 2 is pressed from three directions by, for example, three punches 3. Also in this case, there was a problem that the needle body 1 was detached from the shaft center of the needle handle 2 or attached in an inclined state.

[0005] In view of such a conventional problem, the present invention provides an acupuncture needle that is securely fixed in a state in which the needle body is aligned with the axial center of a cylindrical needle handle and a method for manufacturing the same. Do For the purpose.

Means for solving the problem

[0006] For this reason, the scissors according to the present invention include a metal needle body having a needle tip formed at the tip, and a cylindrical metal needle handle attached to the base side of the needle body. In the needle consisting of

A fixing portion having a concavo-convex shape in the longitudinal direction of the needle handle is formed, and a base portion of the needle body is bent in accordance with the concavo-convex shape of the fixing portion.

[0007] In addition, the method for manufacturing an acupuncture needle according to the present invention includes a metal needle body having a needle tip formed at the tip, and a cylindrical metal needle handle attached to the base side of the needle body. In the manufacturing method of the heel needle consisting of the above, the outer peripheral surface of the needle handle is pressed by a punch provided with a protrusion or a depression at a portion that presses the outer peripheral surface of the needle handle. A fixing portion having a concavo-convex shape in the longitudinal direction is formed, and the base portion of the needle body is bent in accordance with the concavo-convex shape of the fixing portion.

The invention's effect

[0008] According to the present invention, since the base portion of the needle body is bent in accordance with the uneven shape of the fixed portion formed in the longitudinal direction of the needle handle, the attachment of the needle body and the needle handle becomes unstable. Both can be securely fixed. Further, the bent portion of the base portion of the needle body becomes a large resistance, and can be prevented from coming off from the needle handle.

The characteristic configuration of the present invention and the operation and effect based thereon are further clarified by the following embodiments.

Brief Description of Drawings

FIG. 1 is an enlarged cross-sectional view of a main part showing an embodiment of a needle according to the present invention.

2 is a cross-sectional view taken along line AA in FIG.

FIG. 3 is an enlarged cross-sectional view showing a main part of a second embodiment of the needle.

FIG. 4 is an enlarged cross-sectional view showing a main part of a third embodiment of the needle.

FIG. 5 is an enlarged cross-sectional view showing a main part of a fourth embodiment of the needle.

FIG. 6 is an enlarged cross-sectional view showing a main part of a fifth embodiment of the needle.

FIG. 7 is an overall view showing a conventional needle.

FIG. 8 is an enlarged cross-sectional view of a main part showing a conventional method for manufacturing acupuncture needle. 9 is a cross-sectional view taken along line B_B of FIG. 8, and is an explanatory view showing a state where the outer peripheral surface of the needle handle is pressed from two directions.

FIG. 10 is an explanatory view showing a state where the outer peripheral surface of the needle handle shown in FIG. 9 is pressed from three directions.

Explanation of symbols

[0010] 1 ... Needle

lb… Base

2 ... Needle pattern

4 ... Fixing part

5-14 ... Punch

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an enlarged cross-sectional view of the main part of the scissors according to the present invention, and FIG. 2 is a cross-sectional view taken along line AA in FIG.

This needle has a needle body 1 and a needle handle 2.

The needle body 1 is a metal rod-shaped body having a needle tip portion formed at the tip, and a base portion lb thereof is fixed inside the needle handle 2 by fixing portions 4 and 4 described later. The needle body 1 is made of, for example, a metal such as stainless steel and has a thickness of about 0 · 08-0.5 mm.

[0012] The gold f pattern 2 is a cylindrical body having a predetermined length made of metal such as stainless steel, and fixing portions 4 and 4 for fixing the needle body 1 are formed at predetermined positions on the outer peripheral surface thereof. ing.

The fixing portions 4 and 4 are portions that are fixed with the base portion lb of the needle body 1 sandwiched therebetween, and have an uneven shape in the longitudinal direction. The fixed portions 4 and 4 are formed by pressing a predetermined position of the needle handle 2 with punches 5 and 6 provided with protrusions or depressions at the positions where the outer peripheral surface of the needle handle 2 is pressed. Is done.

[0013] Thereby, the base lb of the needle body 1 inserted into the needle handle 2 is bent in accordance with the concave and convex shapes of the fixed portions 4 and 4, so that the needle body 1 and the needle handle 2 can be attached. Both can be securely fixed by preventing instability. In addition, the bent portion of the base lb of the needle body 1 has a great resistance to the direction in which it is pulled out from the needle handle 2 and can be prevented from coming off. [0014] Further, as shown in FIG. 2, the punches 5 and 6 have a wedge-shaped portion where the outer peripheral surface of the needle handle 2 is pressed in a cross section cut by a plane perpendicular to the longitudinal direction of the needle handle 2. It is formed into a mold. By pressing the outer peripheral surface of the needle handle 2 in two directions with the punches 5 and 6 having such a shape, the needle body 1 is hardly detached from the center of the needle handle 2. Both can be fixed with the base 1 lb of the body 1 aligned with the center of the needle 2 axis.

[0015] The shape of the cross section obtained by cutting the punches 5 and 6 with a plane perpendicular to the longitudinal direction of the needle handle 2 is such that the base lb of the needle body 1 is aligned with the axis center of the needle handle 2 during pressing. As long as both can be fixed in this state, the shape is not limited to that shown in Fig. 2, and any shape may be used. Further, although not shown in order to securely fix the needle body 1 and the needle handle 2, for example, the outer peripheral surface of the needle handle 2 may be pressed from three directions using three punches. However, use 4 or more punches.

FIG. 3 is an enlarged cross-sectional view of a main part showing a second embodiment of the needle according to the present invention. In this embodiment, the concavo-convex shape of the fixing portions 4, 4 formed on the needle handle 2 is formed in a substantially hemispherical shape, and the base lb of the needle body 1 is bent in accordance with the hemispherical concavo-convex shape. It is. The pressing process for forming the fixed portions 4 and 4 having such a shape includes a punch 7 provided with a hemispherical projection 7a at a position where the outer peripheral surface of the needle handle 2 is pressed, and a projection 7a of the punch 7 The punch 8 is provided with a hemispherical recess 8a at a position corresponding to. According to this embodiment, when the fixed portions 4 and 4 are formed on the outer peripheral surface of the needle handle 2, an effect is obtained that the base portion lb of the needle body 1 is difficult to cut in the needle handle 2. In addition, since the projection 7a of the punch 7 and the recess 8a of the punch 8 can be prevented from being damaged during the press working, the punches 7 and 8 can be used for a long time. The hemispherical shape of the protrusion 7a provided on the punch 7 includes a round shape with rounded corners.

FIG. 4 is an enlarged cross-sectional view of a main part showing a third embodiment of the needle according to the present invention. In this embodiment, the concave shapes in the concave and convex shapes of the fixing portions 4 and 4 are formed at different depths, and the base portion lb of the needle body 1 is bent in accordance with the concave shapes of different depths. In the press working to form the fixed parts 4 and 4 having such a shape, the outer peripheral surface of the needle handle 2 is pressed. The punch 9 is provided with protrusions 9a and 9b having different heights at the same position, and the punch 10 having a shape matching the shape. According to the present embodiment, the effect that the needle body 1 can be fixed with different strengths for caulking the outer peripheral surface of the needle handle 2 can be obtained by one press working.

FIG. 5 is an enlarged cross-sectional view of a main part showing a fourth embodiment of the needle according to the present invention. In this embodiment, the concave and convex shapes of the fixing portions 4 and 4 are formed in a saw shape, and the base lb of the needle body 1 is bent in accordance with the concave and convex shape of the saw shape. The press working to form the fixed portions 4 and 4 having such a shape includes a punch 11 provided with a plurality of depressions 11a, and a punch 12 provided with a saw-shaped protrusion 12a corresponding to the depressions 11a. Is done by. According to the present embodiment, the effect that the needle body 1 can be fixed by pressing a plurality of locations on the outer peripheral surface of the needle handle 2 by one press working is obtained.

FIG. 6 is an enlarged cross-sectional view of a main part showing a fifth embodiment of the needle according to the present invention. In this embodiment, the concave and convex shapes of the fixing portions 4 and 4 formed on the needle handle 2 are formed with an inclination of a predetermined angle, and the base portion lb of the needle body 1 is formed with the predetermined angle. It is bent according to the shape. The press working to form the fixed portions 4 and 4 having such a shape is performed by a punch 13 in which a projection 13a is provided with an inclination of a predetermined angle and a punch in which a depression 14a corresponding to the inclination of the projection 13a is provided. 14 and done. According to the present embodiment, by providing the protrusion 13a of the punch 13 with an inclination of a predetermined angle, an effect that the angle at which the needle body 1 is inclined from the axis center of the needle handle 2 can be set.

[0020] For each punch shown in FIG. 3 to FIG. 6, as shown in FIG. 2, the shape of the cross-section cut along the plane perpendicular to the longitudinal direction of the needle handle 2 is The portion that presses the outer peripheral surface of 2 may have a wedge shape. When this cross-sectional shape is adopted, the needle body 1 can be fixed in a state of being aligned with the center of the needle handle 2 even when the punch shown in FIGS. 3 to 6 is pressed. .

[0021] The shape of the punch for pressing the needle handle 2 is not limited to that described above, and the fixing portions 4 and 4 having an uneven shape in the longitudinal direction of the needle handle 2 are formed, and the needle body 1 is formed. Any shape can be used as long as the base lb is bent in accordance with the concavo-convex shape of the fixing portions 4 and 4, and the protrusions and depressions provided at the portion that presses the outer peripheral surface of the needle handle 2 are used. Part , Any position, shape, number can be set.

Industrial applicability

The present invention prevents the attachment of the needle body and the needle handle from becoming unstable and securely fixes them together, and the bent portion of the base portion of the needle body becomes a large resistance, causing the needle body and the needle handle to come off from the needle handle. Since it can be stopped, industrial applicability is great.

Claims

The scope of the claims

[1] In an acupuncture needle comprising a metal needle body with a needle tip formed at the tip and a cylindrical metal needle handle attached to the base side of the needle body,

An acupuncture needle characterized in that a fixing portion having an uneven shape is formed in a longitudinal direction of the needle handle, and a base portion of the needle body is bent in accordance with the uneven shape of the fixing portion.

[2] The acupuncture needle according to claim 1, wherein the concavo-convex shape of the fixing portion is formed in a hemispherical shape, and a base portion of the needle body is bent in accordance with the concave-convex shape of the hemispherical shape.

[3] The scissors according to claim 1, wherein the concave shape in the concave-convex shape of the fixed portion is formed at different depths, and the base portion of the needle body is bent in accordance with the concave shape of the different depths. Acupuncture needle.

[4] The scissors needle according to claim 1, wherein the uneven shape of the fixed portion is formed in a saw shape, and the base portion of the needle body is bent in accordance with the uneven shape of the saw shape.

[5] The concavo-convex shape of the fixed portion is formed with an inclination of a predetermined angle, and the base portion of the needle body is bent according to the concavo-convex shape formed with the predetermined angle. 1 needle.

[6] In a manufacturing method of a needle needle comprising a metal needle body having a needle tip formed at the tip and a cylindrical metal needle handle attached to the base side of the needle body,

By a punch provided with a protrusion or a depression at the part that presses the outer peripheral surface of the needle handle

Then, the outer peripheral surface of the gold f pattern is pressed to form a fixing portion having an uneven shape in the longitudinal direction of the gold f pattern, and the base portion of the needle body is bent in accordance with the uneven shape of the fixing portion. A method for manufacturing a needle.

7. The punch manufacturing method according to claim 6, wherein the pressing is performed by a punch provided with a hemispherical protrusion or depression.

8. The punch manufacturing method according to claim 6, wherein the pressing is performed by a punch provided with protrusions having different heights.

[9] The method for manufacturing the scissors according to claim 6, wherein the pressing is performed by a punch provided with a saw-shaped protrusion.

[10] The pressing may be performed with a punch having a predetermined angle on the protrusion. The method for manufacturing an acupuncture needle according to claim 6.

The punch has a wedge-shaped portion that presses the outer peripheral surface of the needle handle in a cross section cut by a plane perpendicular to the longitudinal direction of the gold f handle, and the punch forms the outer peripheral surface of the needle handle. 11. The method for manufacturing an acupuncture needle according to claim 6, wherein pressing is performed by sandwiching the pin.