CN211675926U - Laser probe applied to photothermal therapy - Google Patents
Laser probe applied to photothermal therapy Download PDFInfo
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- CN211675926U CN211675926U CN201921630968.7U CN201921630968U CN211675926U CN 211675926 U CN211675926 U CN 211675926U CN 201921630968 U CN201921630968 U CN 201921630968U CN 211675926 U CN211675926 U CN 211675926U
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Abstract
The utility model relates to a be applied to laser instrument probe of light and heat treatment belongs to medical instrument technical field, and this laser instrument probe includes optic fibre, cup joints the outside optic fibre sheath shell of optic fibre with can dismantle the connection and be in the spherical light scattering head of optic fibre one end. The spherical light scattering head is arranged at the front end of the laser probe, so that the irradiation area of the laser probe can be increased, the irradiation is uniform, in addition, the end face, facing the direction of the spherical light scattering head, of the optical fiber sheath of the laser probe is arranged at a distance from the spherical light scattering head, a section of optical fiber is exposed, or hemispherical concave points or convex points are arranged on the surface of the spherical light scattering head, so that the irradiation area of the laser probe can be further increased. The laser probe is exquisite and portable, fine and smooth, is particularly suitable for photothermal treatment of in-situ colorectal diseases, greatly increases the application range and application flexibility of the laser, and further promotes the application range of photothermal treatment.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to be applied to laser instrument probe of light and heat treatment.
Background
Malignant tumors have become one of the most major diseases that seriously threaten human health. According to the latest data, the Chinese cancer burden generally shows a continuous rising trend, the urban and rural difference of the cancer burden and the sex difference of men and women are obvious, the cancer spectrum shows the situation that the developed cancer spectrum and the developing cancer spectrum coexist, and the cancer prevention and control situation is very severe. Among them, the most common malignant tumors in China are lung cancer, gastric cancer, colorectal cancer and liver cancer, accounting for 76.7% of all malignant tumors. However, the traditional cancer chemotherapy mode has the defects of poor treatment effect, great toxic and side effects and the like, so that great challenges are brought to tumor treatment. Therefore, it is necessary and urgent to search for effective cancer treatment modalities and drug delivery systems.
In recent years, photothermal and photodynamic therapy is one of the most popular research directions in the field of tumor treatment, and tumor killing by 'creating' photothermal materials, photosensitizers and other materials in a tailored manner is the main direction of research, so that low systemic toxicity and enhanced treatment effect are realized as far as possible. By combining photothermal photodynamic therapy with chemotherapy and immunotherapy, the tumor can be rapidly eliminated and the tumor recurrence can be effectively prevented, thereby showing great application potential. However, this treatment is also limited because most photothermal and photodynamic therapy can only be applied to solid tumors, and it is difficult to achieve satisfactory treatment for deep tumors, due to the light penetration. In addition, when applied to deep tumors, the laser will damage the tissues that pass through. This is also a major bottleneck in light-induced therapy.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a laser probe for photothermal therapy.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a be applied to laser instrument probe of light and heat treatment, laser instrument probe includes optic fibre 1, the suit is in the outside optic fibre sheath 2 of optic fibre and can dismantle the connection and be in the spherical light scattering head 3 of optic fibre one end.
Preferably, a section of the optical fiber sheath 2 near the spherical light scattering head 3 has an inverted trapezoid shape in cross section.
Preferably, an end surface of the optical fiber sheath 2 facing the spherical light scattering head 3 is disposed in contact with the spherical light scattering head 3.
Preferably, an end surface of the optical fiber sheath 2 facing the direction of the spherical light scattering head 3 is disposed at a distance from the spherical light scattering head 3.
Preferably, a plurality of concave points are distributed on the surface of the spherical light scattering head 3.
Preferably, the pits are hemispherical.
Preferably, a plurality of bumps are distributed on the surface of the spherical light scattering head 3.
Preferably, the salient points are hemispherical.
Preferably, the surface of the spherical light scattering head 3 is smooth.
The beneficial effects of the utility model reside in that: the utility model provides a be applied to laser instrument probe of light and heat treatment, through set up spherical light scattering head at this laser instrument probe front end, can increase this laser instrument probe shine the area big, and illumination is even, in addition, with one section distance setting of terminal surface and spherical light scattering head interval of the optic fibre sheath shell orientation spherical light scattering head direction of this laser instrument probe, one section optic fibre of bared exposure, or set up hemispherical concave point or prominent on spherical light scattering head surface, the area of shining that all can further increase this laser instrument probe is big. The laser probe is exquisite and portable, fine and smooth, is particularly suitable for photothermal treatment of in-situ colorectal diseases, greatly increases the application range and application flexibility of the laser, and further promotes the application range of photothermal treatment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view showing the structure of a laser probe used for photothermal therapy in example 1;
FIG. 2 is a schematic view showing the structure of a laser probe used in photothermal therapy in example 2;
FIG. 3 is a schematic structural view of a spherical light scattering head with a plurality of hemispherical pits distributed on the surface;
fig. 4 is a schematic structural view of a spherical light scattering head with a plurality of hemispherical bumps distributed on the surface.
Reference numbers in the figures: the optical fiber comprises an optical fiber 1, an optical fiber sheath 2 and a spherical light scattering head 3.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Example 1
A laser probe applied to photothermal therapy is shown in figure 1 and comprises an optical fiber 1, an optical fiber sheath 2 sleeved outside the optical fiber and a spherical light scattering head 3 detachably connected to one end of the optical fiber, wherein the optical fiber sheath 2 is tightly attached to the outer surface of the optical fiber 1, the end surface facing the direction of the spherical light scattering head 3 is arranged at a distance from the spherical light scattering head 3, the section of a section close to the spherical light scattering head 3 is in an inverted trapezoid shape, and the surface of the spherical light scattering head 3 is smooth. When the laser probe is used for photo-thermal treatment, the irradiation area of the laser probe can be enlarged by exposing a section of optical fiber and the spherical light scattering head, and the irradiation is uniform.
Example 2
A laser probe applied to photothermal therapy is shown in figure 2 and comprises an optical fiber 1, an optical fiber sheath 2 sleeved outside the optical fiber and a spherical light scattering head 3 detachably connected to one end of the optical fiber, wherein the optical fiber sheath 2 is tightly attached to the outer surface of the optical fiber 1, the end surface facing the direction of the spherical light scattering head 3 is in contact with the spherical light scattering head 3, the section of one section close to the spherical light scattering head 3 is in an inverted trapezoid shape, and the surface of the spherical light scattering head 3 is smooth. When the laser probe is used for photo-thermal treatment, light passes through the spherical light scattering head, the irradiation area of the laser probe can be enlarged, and the irradiation is uniform.
The utility model discloses in, except that the irradiation area that utilizes smooth spherical light scattering head 3 in surface can realize increasing this laser instrument probe is big, and the even purpose of illumination, when 3 surface distribution of spherical light scattering head have a plurality of hemispherical pits (as shown in fig. 3) or bump (as shown in fig. 4), can further increase the irradiation area of this laser instrument probe big, make illumination more even.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (4)
1. The laser probe applied to photothermal therapy is characterized by comprising an optical fiber (1), an optical fiber sheath shell (2) sleeved outside the optical fiber and a spherical light scattering head (3) detachably connected to one end of the optical fiber; the surface of the spherical light scattering head (3) is smooth, or a plurality of concave points or a plurality of convex points are distributed on the surface; the end face of the optical fiber sheath shell (2) facing the direction of the spherical light scattering head (3) is arranged in contact with the spherical light scattering head (3) or arranged at intervals.
2. The laser probe for photothermal therapy according to claim 1, wherein a section of the sheath (2) near the spherical light scattering head (3) has an inverted trapezoidal cross section.
3. The laser probe for photothermal therapy according to claim 1, wherein said pits are hemispherical.
4. The laser probe for photothermal therapy according to claim 1, wherein said convex points are hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630968.7U CN211675926U (en) | 2019-09-27 | 2019-09-27 | Laser probe applied to photothermal therapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630968.7U CN211675926U (en) | 2019-09-27 | 2019-09-27 | Laser probe applied to photothermal therapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211675926U true CN211675926U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921630968.7U Active CN211675926U (en) | 2019-09-27 | 2019-09-27 | Laser probe applied to photothermal therapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211675926U (en) |
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2019
- 2019-09-27 CN CN201921630968.7U patent/CN211675926U/en active Active
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