U.S. patent number 3,905,375 [Application Number 05/435,990] was granted by the patent office on 1975-09-16 for acupuncture needle.
Invention is credited to Philip M. Toyama.
United States Patent |
3,905,375 |
Toyama |
September 16, 1975 |
Acupuncture needle
Abstract
An acupuncture needle having a shank portion for insertion
through the skin and a handle portion or gripping portion is
provided with a shield which prevents contact of the shank portion
by the person providing treatment. The needle is held in fixed
relation with the shield by cooperation between a membrane
positioned at the end of the shield and a plunger which fits over
the handle portion and into telescoping engagement with the shield.
To insert the needle beneath the skin, the plunger is depressed,
forcing the handle portion through the membrane and the shank
portion to project beyond the shield and into the skin. In order to
determine the depth to which the shank portion is inserted beneath
the skin, the shield is made of a transparent material and has a
linear gauge marked thereon. To preserve the sanitary state of the
acupuncture needles for their use, they are conveniently packaged
in a conventional air-tight container.
Inventors: |
Toyama; Philip M.
(Winston-Salem, NC) |
Family
ID: |
23730656 |
Appl.
No.: |
05/435,990 |
Filed: |
January 23, 1974 |
Current U.S.
Class: |
606/189; 206/370;
206/365; 604/360 |
Current CPC
Class: |
A61H
39/08 (20130101) |
Current International
Class: |
A61H
39/00 (20060101); A61H 39/08 (20060101); A61B
017/34 () |
Field of
Search: |
;128/215,220,314,315,329A,329R,347 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Pace; Channing L.
Attorney, Agent or Firm: Sherman & Shalloway
Claims
What is claimed is:
1. A device for practicing acupuncture wherein needles are utilized
to penetrate beneath the skin comprising:
a needle having a shank for insertion through the skin and a handle
which remains exposed after the shank is inserted,
a shield for protecting the shank from tactile contact prior to
inserting the shank, and
means for releasably securing the needle to the shield with the
shank disposed completely within the shield wherein said releasable
securing means includes plunger means which engages both the handle
and the shield and which projects said shank from said shield as
said needle is inserted beneath the skin and is released from the
shield.
2. The device of claim 1 wherein the handle of the needle has a
substantially greater diameter than the shank and wherein the means
for releasably securing the needle to the shield includes a holding
member at one end of said shield through which the shank projects
and upon which the handle rests.
3. The device of claim 2 wherein the means for projecting said
shank engages both said handle and said shield to normally retain
the shield and needle in rigid relation but is slidable relative to
the shield to release the needle from the holding means and to
project the shank.
4. The device of claim 3 wherein said holding means is a rupturable
membrane.
5. The device of claim 3 wherein plunger means and the shield
telescope relative to one another to release the needle and project
the shank.
6. The device of claim 3 wherein both the shield and plunger means
are cylindrical in shape.
7. The device of claim 5 wherein the plunger means slides over the
shield as the plunger means and shield telescope.
8. The device of claim 5 wherein the shield and plunger means are
made of tubular plastic material.
9. The device of claim 8 wherein the handle of the needle is made
of plastic.
10. A device for practicing acupuncture wherein needles are
utilized to penetrate beneath the skin comprising:
a needle having a shank for insertion through the skin and an
enlarged handle which remains exposed after the shank is
inserted,
a shield for surrounding the shank prior to inserting the
shank,
a membrane extending across the shield through which the shank
projects and upon which the handle rests, and
a plunger engaging the end of the handle and fitting in sliding
relationship with said shield to hold the handle in engagement with
the membrane until the plunger is pushed relative to the shield to
telescope relative thereto and project said handle through said
membrane and said shank out of said shield.
11. The device of claim 10 wherein the handle, the shield and the
plunger are made of plastic material.
12. The device of claim 11 wherein the coefficient of friction
between the shank and the subject into which it is inserted is
greater than the coefficient of friction between the ruptured
membrane and the handle so that the shield and plunger may be
easily removed from the needle after the needle is inserted.
13. The device of claim 5 wherein the shield is made of a
transparent material and wherein the shield has indicia thereon to
indicate the depth to which the needle has been inserted beneath
the skin.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to acupuncture needles. More particularly,
this invention relates to an acupuncture needle which is configured
to preserve the sanitary condition thereof.
2. Technical Considerations and Prior Art
Acupuncture is an ancient healing art which is most frequently
utilized to relieve pain and to prevent the occurrence of pain
during surgical and other operations. Generally, an acupuncture
treatment requires the insertion of numerous needles through the
skin of and into the body of a patient. Consequently, there is a
great danger of infection if the needles utilized are not perfectly
sterile.
The prior art does not disclose any convenient way of ensuring that
needles utilized in acupuncture will be sterile. Even if the
needles are initially contained in a sterile package for shipment
and distribution, when the package is opened the shanks of the
needles are likely to be touched by the hand of the acupuncture
practitioner. When the shanks of the needles are passed beneath the
skin, material from the fingers of the practitioner may also pass
beneath the skin, possibly creating an infection in the patient.
This is the problem that is solved by the device of the current
invention.
SUMMARY OF THE INVENTION
It is consequently an object of the instant invention to provide
new and improved devices for practicing the art of acupuncture
wherein needles used in practicing acupuncture are maintained in a
sterile condition up until the time they are used.
It is an additional object of the instant invention to provide a
readily detachable shield for preventing tactile engagement of
acupuncture needle shanks before the shanks are inserted beneath
the skin of a patient.
It is a further object of the instant invention to provide a shield
which prevents tactile engagement of the acupuncture needle shanks
and provides a convenient scale for measuring the depth to which
the shanks are inserted beneath the skin.
In view of these and other objects, a device for practicing
acupuncture contemplates a needle having a first portion which is
inserted beneath the skin and a second portion which thereafter
remains exposed. The first portion is contained within a shield and
a structure is provided for securing releasably the needle to the
shield while providing a plunger for projecting the shank of the
needle beyond the shield.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view showing an acupuncture needle which is
to be protected by a device according to the instant invention;
FIG. 2 is a perspective view of a shield which is used to protect a
first shank portion of the needle shown in FIG. 1;
FIG. 3 is a perspective view of a plunger which is combined with
the acupuncture needle of FIG. 1 and the shield of FIG. 2 to
assemble the device according to the instant invention;
FIG. 4 is a perspective view of a device for practicing acupuncture
according to the principles of the instant invention showing the
elements of FIGS. 1, 2 and 3 in assembled condition;
FIG. 5 is a side view showing how the device of FIG. 4 is utilized
to project the shank of an acupuncture needle beneath the skin;
FIG. 6 is a view of the acupuncture needle of FIG. 1 inserted
beneath the skin with the elements of FIGS. 2 and 3 removed;
and
FIG. 7 is a top view of a package containing a plurality of devices
according to the instant invention.
DETAILED DESCRIPTION
Referring now to FIG. 1 there is shown a conventional acupuncture
needle, designated generally by the numeral 10, which includes a
shank portion 11 having a sharp point 12 which is intended to be
inserted through the skin of a patient receiving acupuncture
treatment. The needle 10 also has a handle portion 13 which is used
to manipulate the needle after the needle has been inserted and is
used to withdraw the needle. The handle portion 13 may be made of
plastic and the shank portion 11 may be made of stainless steel or,
on the other hand, the entire needle may be made of stainless
steel.
Referring now to FIGS. 2, 3 and 4, there is shown a shield,
designated generally by the numeral 14; a plunger, designated
generally by the numeral 16; and an assembly, designated generally
by the numeral 17. The assembly 17 is achieved by first projecting
the shank 11 of the needle 10 through a membrane 18 positioned at
the top end of the shield 14. The needle 10 is pushed so that the
shank 11 passes through the membrane 18 until the handle portion 13
abuts the membrane 18 and rests thereon. The diameter of the handle
13 is slightly less than the inner diameter of the shield 14, so
that if the handle 13 is pressed with sufficient pressure to
rupture the membrane 18, the handle 13 will slide within the shield
14.
After the shank 11 is inserted through the membrane 18 so that the
handle 13 rests on the membrane, the plunger 16 is telescoped over
both the handle 13 and the upper end of the shield 14. The plunger
16 is longer than the handle 13 so that it projects past the handle
13 and over the shield 14. In order to assure that the resulting
assembly 17 will not fall apart, the coefficient of friction
between the inner surface of the plunger 16 and the outer surface
of the shield 14 is sufficiently high to hold the plunger and
shield together, but is sufficiently low so that the plunger 16
will slide relative to the shield 14 upon applying pressure to the
plunger.
In order to utilize the assembly 17 as shown in FIG. 4, the
acupuncture practitioner rests the open end 19 of the shield 14
against the skin 20 of the patient, as seen in FIG. 5. Tactile
pressure is then applied to the upper end 21 of the plunger 16 to
push the handle 13 of the needle 10 through the membrane 18 which
is designed to rupture upon application of a pre-determined
pressure. When the membrane 18 ruptures, the point 12 punctures the
skin and the shank 11 is pushed into the skin. As this happens, the
plunger 16 telescopes down over the shield 14.
In order to determine the depth to which the point of the needle 10
penetrates, a linear gauge 22 is inscribed or otherwise disposed on
the shield 14, which is most conveniently made of a transparent
material. As the lower end of the handle 13 passes graduations on
the scale 22, the practitioner can determine how deep the point 12
has penetrated.
After the shank 11 of the needle 10 has been inserted through the
skin 20, the assembly 17 is removed from around the needle by
simply sliding it up away from the needle. Since the membrane 18
has been broken, it no longer presents any resistance to the handle
of the needle as the handle slides therein. Consequently, the
assembly 17 may be simply lifted from the needle 10.
In order to preserve the sanitary condition of the needles 10 and
the assembly 17, the needles mounted in the assembly are packaged
in a sterile package 22, as shown in FIG. 7. Since numerous needles
10 are utilized in a single acupuncture treatment, it is most
convenient to pack the needles in numbers of six or more so that
handling of the needles is made convenient. The package 22 is of a
standard design, wherein the needles 10-10 contained within the
assembly 17 are mounted on a backing 23 and covered by a plastic
film 24 which has a seam 25 that may be opened by pulling a tab 26
to the left.
After the treatment is completed, the needles 10 may be withdrawn
by simply pulling on the handle 13 and then disposed of.
By utilizing the device of this invention, the acupuncture needle
10 may be inserted beneath the skin without the practitioner
touching the shank 11 or point 12 of the needle.
The afore-described embodiment is merely illustrative of the
principles of the invention. Accordingly, the invention is to be
limited only by the recitations of the following appended
claims.
* * * * *