JPS6326660B2 - - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a laser having a manipulator equipped with a uniform light irradiation rod (hereinafter referred to as Kaleidoscope, a trade name of the present applicant). The present invention relates to a device for protecting the surface of a kaleidoscope from contamination during use.

(Prior Art) Currently, various devices using laser light have been proposed, and are used in the field of plastic surgery to treat colored birthmarks such as birthmarks, spots, and freckles, as shown in Figure 1. There are laser treatment devices that remove it. In FIG. 1, 1 is the device power supply, 2
is a laser oscillation source that operates by being supplied with energy from the device power source via a cable 1A, and an optical light guide section 4 containing an optical fiber is connected to the output end of the laser oscillation source 2 via a connector 3. A manipulator 6 equipped with a kaleidoscope is connected to the output end of the light guide section 4 via a connector 5. The treatment using the laser treatment device is, for example, as shown in FIG.
The tip of the manipulator 6, which has the tip of the kaleidoscope 7 slightly protruding from the holder 8, is connected to the affected area 10 directly or indirectly through the protective plate 9.
The distal end surface of the kaleidoscope 7 irradiates the affected area 10 with laser light, thereby instantaneously cauterizing the affected tissue.

The method using a kaleidoscope has the characteristics that the laser beam can be irradiated with a nearly uniform light intensity distribution within the irradiation field, and the shape of the irradiation field can be arbitrarily selected. The light emitted from the output end spreads rapidly in free space, and the output per unit area also rapidly attenuates.
Moreover, since the output light loses its coherency, it has the advantage of being highly safe in case it accidentally comes into contact with the body, especially the eyes, making it an ideal method for treating bruises and the like.

A kaleidoscope is a transparent rod-shaped light transmitting body made of acrylic or optical glass. Both end faces are flat and the periphery is smooth. It is a type of light guide that randomizes light during the light guide process. It is.

(Problems to be Solved by the Invention) However, when cauterizing the affected area 10 with a laser beam, tissue pieces, charcoal, and cauterized pieces scatter from the affected area 10, so the tip of the manipulator 6 is directly connected to the affected area 10.
If treatment is performed while contacting the kaleidoscope 7, the output end face of the kaleidoscope 7 will be contaminated with tissue pieces, charcoal, and cauterized pieces, making it impossible to obtain the desired laser beam output, and in some cases, the kaleidoscope 7 may become contaminated with the laser beam. scope 7
There is a problem in that the output end face of the device overheats and is destroyed. Even if the tip of the manipulator 6 is used to indirectly irradiate the affected area 10 with laser light through the protective plate 9, the distance A between the holder 8 and the protective plate 9 will cause the kaleidoscope to fail as shown in FIG. The problem of contamination of the vicinity of the end face of 7 with tissue pieces, charcoal, cauterized pieces, etc. has not yet been solved, and above all, the part of the protective plate 9 that is not penetrated by the laser must be inserted every time the laser beam is emitted. Since the protective plate 9 must be shifted one by one so that the clean side of the protective plate 9 always comes into contact with the affected area 10, the use of the protective plate 9 poses a problem in that the operation for the operator is extremely complicated. Furthermore, in order to prevent contamination near the end face of the kaleidoscope 7, the end face of the holder 8 and the output end face of the kaleidoscope 7 are placed in the same plane so that the distance A between the holder 8 and the protective plate 9 does not occur. If the design of the manipulator 6 is changed as shown in FIG. I won't be able to do that. For this reason, for example, in the case of multiple irradiation in which irradiation is performed several times over a wide range of affected areas while sequentially shifting the position, there is a risk that irradiation spots may occur due to over-irradiation or under-irradiation.

This invention has been made in view of the above-mentioned circumstances, and it eliminates the trouble of having the operator operate each protective plate that is separate from the manipulator, and also eliminates the need for the laser beam emitting end face of the kaleidoscope and its vicinity. It can prevent contamination from tissue fragments, charcoal fire, cautery fragments, etc., and can easily confirm the irradiation position of the laser beam on the affected area.It has a simple structure and can be attached and detached from the kaleidoscope.
The purpose is to provide a protection device for kaleidoscopes.

[Structure of the invention]

(Means for Solving the Problems) In order to solve the above problems, the present invention includes a manipulator that protects a uniform light irradiation rod with a holder in order to emit a laser beam having a uniform light intensity distribution. In the laser device, a protective member consisting of a transparent plate-like body that abuts the distal end surface of the uniform light irradiation rod protruding from the distal end of the holder and a transparent cylindrical body that covers the protruding side surface of the uniform light irradiation rod is attached to the distal end of the holder. The fitting step part provided at the end of the transparent cylindrical body is fitted to the fitting step part provided at the end of the transparent cylindrical body, thereby making it detachable.

(Function) Since the protective member is detachable, operations such as replacement are easy, and the laser beam emitting end face and its vicinity can be kept clean at all times. Furthermore, since the protective member is transparent, the irradiation position can be easily confirmed, and erroneous treatment can be prevented.

(Example) Next, an example of the present invention will be described with reference to the drawings.

FIG. 3 is a partially cutaway perspective view showing an embodiment of the present invention.

In FIG. 3, the tip of the manipulator 6 has a rectangular kaleidoscope 7 protruding from the end face of the holder 8 by a predetermined length, and the end of the holder 8 has a fitting step 8a of a predetermined height. The fitting portion 8b is configured to protrude through the fitting portion 8b.

As shown in FIG. 3, the protection device 11 of the present invention is composed of a transparent cylindrical body 12 and a transparent plate-like body 13, and the transparent cylindrical body 12 has an opening on the insertion side in its inner wall. A first fitting portion 12a that fits into the fitting portion 8b of the manipulator 6 and a second fitting portion 12b that fits into the protruding kaleidoscope 7 are fitted toward the other open end from the end. It is formed of a transparent material such as acrylic resin so as to be provided through the step 12c, and the other open end of the transparent cylindrical body 12 is made of a transparent material such as acrylic resin so that at least the emission of the kaleidoscope 7 is formed. Transparent plate-like body 13 formed to have the same area as the end face and appropriate thickness
is pasted. Note that the transparent cylindrical body 12
The length from the opening end on the insertion side to the other opening end is preferably equal to the length from the fitting step 8a of the manipulator 6 to the output end surface of the kaleidoscope 7. This is to reduce the loss of laser light output from the output end face of the kaleidoscope 7.

The protection device 11 configured as described above can be manually attached to the tip of the manipulator 6, and the manipulator 6 with the protection device 11 attached is brought into direct contact with the affected area to perform treatment with laser light.

During treatment, even though the protective device 11 is simply fitted into the tip of the manipulator 6, even if the tip of the manipulator 6 is turned downward, the fitting portion 8b and the first fitting portion 12a do not fit together. The protective device 11 does not fall off from the tip of the manipulator 6 due to the frictional force between the protruding side surface of the kaleidoscope 7 and the second fitting portion 12b. Then, when irradiating the affected area with laser light from the output end face of the kaleidoscope 7, the protection device 11
Since it is made of a transparent material, the irradiation position can be easily seen from the side of the device. Moreover, since the protective device 11 covers the entire protruding kaleidoscope 7 with the transparent cylindrical body 12 and the transparent plate-shaped body 13, tissue fragments, charcoal fire, and burnout that occur during laser beam irradiation can be prevented. Contamination of the surface of the kaleidoscope 7 by pieces etc. can be effectively prevented. Furthermore, even if the protection device 11 itself becomes contaminated, it can be easily replaced with a spare protection device 11.

Although one embodiment of this invention has been described above, it goes without saying that this invention is not limited to the above embodiment, and includes various modifications without changing the gist of this invention. .

In the above embodiment, the transparent plate-like body 13 was bonded to the opening of the transparent cylindrical body 12, but
As a modification, a protection device 11a integrally formed with a bottomed cylindrical body as shown in FIG. 4 may be mentioned. In this case, the bottom portion 14 is a transparent plate-like body. According to this modification, the protective device can be integrally molded by, for example, an acrylic resin casting method, so that the manufacturing process can be simplified and the manufacturing cost can be reduced.

In addition, as another modification, as shown in FIG. An example is a protection device 11b in which a transparent plate-like body 13 is detachably provided in an opening of a transparent cylindrical body 12 by sliding the transparent plate-like body 13. With such a protection device 11b, if the transparent plate-like body 13 becomes contaminated during use of the manipulator 6, only the transparent plate-like body 13 can be replaced without removing the transparent cylindrical body 12 from the manipulator 6. This makes treatment operations even more convenient.

〔Effect of the invention〕

According to this invention, the following effects can be achieved. That is, when performing treatment operations with the protection device according to the present invention attached to a manipulator, the surface of the kaleidoscope can be appropriately protected from contamination by tissue fragments, charcoal, burnt fragments, and the like. Since the protective device can be easily attached and detached from the manipulator,
If the protective device itself becomes contaminated, it can be easily replaced with a new protective device. Furthermore, since the protective member is transparent, it is easy to confirm the irradiation position, and, for example, in the case of multiple irradiation, irradiation spots due to over-irradiation or under-irradiation will not occur, so erroneous treatment can be prevented. In addition, since the protective device is attached to the manipulator in such a way that it does not easily fall off, the operator is freed from the complication of holding the protective plate with one hand and operating the manipulator with the other hand, as was the case in the past. Operation becomes extremely convenient.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the entire laser treatment device;
FIG. 2 is an explanatory view showing a state in which treatment is performed using a conventional manipulator, FIG. 3 is a partially cutaway perspective view showing an embodiment of the present invention, and FIG. 4 is a sectional view showing a modified example of the present invention. FIG. 5A is a perspective view showing another modification of the present invention, and FIG. 5B is a sectional view taken along the line BB in FIG. 5A. 11, 11a, 11b...protective device, 12...
Transparent cylindrical body, 13...Transparent plate-shaped body.

Claims (1)

[Scope of Claims] 1. In a laser device having a manipulator that protects a uniform light irradiation rod with a holder in order to emit a laser beam having a uniform light intensity distribution, the uniform light irradiation rod protrudes from the tip of the holder. A protective member consisting of a transparent plate-shaped body that abuts the tip end surface of the holder and a transparent cylindrical body that covers the protruding side surface of the uniform light irradiation rod is connected to the fitting step provided at the tip of the holder and the end of the transparent cylindrical body. 1. A protection device for the surface of a uniformly irradiated rod, characterized in that the device is detachably installed by fitting a fitting stepped portion provided in the portion. 2. The uniform light irradiation rod surface protection device according to claim 1, wherein the transparent cylindrical body and the transparent plate body are integrated. 3. The uniform light irradiation rod surface protection device according to claim 1, characterized in that a transparent plate-like body is detachably attached to the transparent cylindrical body at an end face of the transparent cylindrical body.