CN212347463U

CN212347463U - Accurate photodynamic therapy device fixes a position

Info

Publication number: CN212347463U
Application number: CN202020317848.8U
Authority: CN
Inventors: 李鹏; 潘志强; 汤国梁
Original assignee: China Medical Suzhou St Development Co ltd
Current assignee: China Medical Suzhou St Development Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-01-15
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to a photodynamic therapy device with accurate positioning, which comprises a laser therapy machine and a phototherapy head; a laser transmitter is arranged in the laser therapy machine and inputs laser into the phototherapy head through a transmission optical fiber; the phototherapy head comprises an optical fiber positioning barrel, a collimating barrel and a light emitting barrel, and the optical fiber positioning barrel, the collimating barrel and the light emitting barrel are sequentially detachably connected; one end of the optical fiber positioning cylinder is provided with an optical fiber input port, and the other end of the optical fiber positioning cylinder is provided with an optical fiber positioning seat; the collimating cylinder is internally provided with a collimator which is positioned in the optical fiber positioning seat, the axis of the collimator is superposed with the center of the optical fiber input port, and the center of the light outlet at the bottom of the light outlet cylinder is superposed with the axis of the collimator. The utility model discloses a fixed transmission optic fibre of optic fibre location structure to ensure the alignment nature of the laser of transmission optic fibre outgoing through the collimater.

Description

Accurate photodynamic therapy device fixes a position

Technical Field

The utility model relates to a photodynamic medical equipment technical field, in particular to fix a position accurate photodynamic treatment device.

Background

The photodynamic laser therapy is a new method for treating tumor diseases by using photosensitive drugs and laser activation, and the tumor part is irradiated by specific wavelength, so that the photosensitive drugs which are selectively gathered on tumor tissues can be activated, photochemical reaction is initiated to destroy the tumor, thereby realizing the physical therapy ablation on the tumor, and having good inhibiting effect on the affected part of the tumor. Compared with conventional treatment means such as operation, chemotherapy, radiotherapy and the like, the photodynamic therapy has the advantages of small wound, small toxicity, good selectivity, good applicability, repeated treatment and the like, and is more and more accepted and popularized by people.

In specific applications, it is necessary to always ensure that the treated area is affected under a certain irradiation of the laser radiation, otherwise an effective treatment cannot be achieved. If the input radiation is too weak, the drug is not activated, while too strong radiation risks damaging the irradiated tissue. In order to improve the effect of photodynamic therapy, accurate irradiation positioning and effective irradiation in unit time are very critical, and a photodynamic therapy device with accurate positioning is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a photodynamic therapy device with accurate positioning for solving the technical problems existing in the prior art, and improves the effect of photodynamic therapy.

The utility model comprises the following technical scheme: a photodynamic therapy device with accurate positioning comprises a laser therapy machine and a phototherapy head; a laser transmitter is arranged in the laser therapy machine and inputs laser into the phototherapy head through a transmission optical fiber; the phototherapy head comprises an optical fiber positioning barrel, a collimating barrel and a light emitting barrel, and the optical fiber positioning barrel, the collimating barrel and the light emitting barrel are sequentially detachably connected; one end of the optical fiber positioning cylinder is provided with an optical fiber input port, and the other end of the optical fiber positioning cylinder is provided with an optical fiber positioning seat; the collimating cylinder is internally provided with a collimator which is positioned in the optical fiber positioning seat, the axis of the collimator is superposed with the center of the optical fiber input port, and the center of the light outlet at the bottom of the light outlet cylinder is superposed with the axis of the collimator.

Preferably, a second positioning seat is arranged in the light emitting tube, and the other end of the collimator is located in the second positioning seat; the light outlet of the light outlet cylinder is connected with a dispersion optical fiber; the front end of the dispersion optical fiber is a transmission optical fiber with a cladding, and a positioning ring is arranged on the tail scattering end of the dispersion optical fiber. The part of the patient to be irradiated is positioned in the body, and the light beam is accurately transmitted to the affected part through the dispersion optical fiber with the positioning ring.

Preferably, the positioning ring is made of metal lead or platinum-iridium alloy.

Preferably, be equipped with the battery of lens in the light-emitting section of thick bamboo, the battery of lens outside is equipped with the light-emitting window, the inserted sheet that has the delivery outlet of light-emitting window outside demountable installation.

Preferably, the phototherapy head is provided with inserts with output holes of different sizes, and the shape of the output holes is square or circular, and also can be polygonal or irregular.

Preferably, the laser therapy apparatus body is provided with a display screen and a control panel, and the specific parameters of the laser light source can be controlled through the control panel.

Preferably, the phototherapy head is fixedly arranged on the platform above the display screen through a support rod.

Preferably, the phototherapy head is the tubular structure, threaded connection in proper order between an optic fibre location section of thick bamboo, a collimation section of thick bamboo and the light-emitting section of thick bamboo.

Preferably, the optical fiber positioning seat is connected with the inner wall of the optical fiber positioning barrel through a slot.

The utility model has the advantages and positive effect:

1. the utility model discloses a fixed transmission optic fibre of optic fibre location structure to ensure the alignment nature of the laser of transmission optic fibre outgoing through the collimater.

2. The utility model discloses a can connect the light-emitting section of thick bamboo of dispersion optic fibre, it is internal to need the portion of shining to the patient, through the dispersion optic fibre of taking the holding ring with the accurate light beam of carrying to the affected part.

3. The utility model discloses a light-emitting section of thick bamboo with can replace the inserted sheet produces different faculas through the inserted sheet that changes and have different delivery outlets.

Drawings

Fig. 1 is a schematic view of the internal structure of a phototherapy head in embodiment 1.

Fig. 2 is a schematic view of the entire structure of embodiment 1.

Fig. 3 is a schematic view of the internal structure of the phototherapy head in embodiment 2.

In the figure, 1-laser therapeutic machine; 11-a display screen; 12-a control panel; 2-a phototherapy head; 21-optical fiber positioning cylinder; 211-fiber input port; 212-fiber positioning seat; 22-a collimating cylinder; 221-a collimator; 23-a light-emitting tube; 231-a second positioning seat; 3-supporting rods; 4-a dispersive optical fiber; 41-a scattering end; 42-a positioning ring; 5-a lens group; 6-a light-emitting window; 7-inserting pieces; 8-transmission fiber.

Detailed Description

To further disclose the contents, features and functions of the present invention, the following examples are given in detail with reference to the accompanying drawings.

Example 1: referring to fig. 1-2, a precise positioning photodynamic therapy device comprises a laser therapy apparatus 1 and a phototherapy head 2; a laser transmitter is arranged in the laser therapy machine 1 and inputs laser into the phototherapy head 2 through a transmission optical fiber 8; the laser therapeutic machine 1 body is provided with a display screen 11 and a control panel 12, and the specific parameters of the laser light source can be controlled through the control panel 12. Phototherapy head 2 is adorned through bracing piece 3 admittedly on the platform of display screen 11 top.

Phototherapy head 2 is the tubular structure, threaded connection in proper order between a optic fibre location section of thick bamboo 21, a collimation section of thick bamboo 22 and the light-emitting section of thick bamboo 23. One end of the optical fiber positioning cylinder 21 is provided with an optical fiber input port 211, and the other end is provided with an optical fiber positioning seat 212; the optical fiber positioning seat 211 is connected with the inner wall of the optical fiber positioning cylinder 21 through a slot. The collimating cylinder 22 is internally provided with a collimator 221, the collimator 221 is located in the optical fiber positioning seat 212, the axis of the collimator 221 coincides with the center of the optical fiber input port 211, and the center of the light outlet at the bottom of the light outlet cylinder 23 coincides with the axis of the collimator 221. A second positioning seat 231 (for fixing and connecting the dispersion optical fiber 4) is arranged in the light-emitting tube 23, and the other end of the collimator is positioned in the second positioning seat; the light outlet of the light outlet tube 23 is connected with a dispersion optical fiber 4, the front end of the dispersion optical fiber 4 is a transmission optical fiber 8 with a cladding, and two ends of a scattering end 41 at the tail part of the dispersion optical fiber 4 are provided with positioning rings 42. The part of the patient to be irradiated is located in the body, and the light beam is accurately transmitted to the affected part through the dispersion optical fiber 4 with the positioning ring 42. The positioning ring 42 is made of platinum-iridium alloy.

Example 2: the main structure of the photodynamic therapy device with accurate positioning is basically the same as that of the device in embodiment 1, and only the structure of the light outlet barrel 23 is different. As shown in fig. 3, a lens set 5 is arranged in the light-emitting tube 23, a light-emitting window 6 is arranged on the outer side of the lens set 5, and an inserting piece 7 with an output hole is detachably mounted on the outer side of the light-emitting window 6. The phototherapy head 2 is provided with inserts 7 with output holes of different sizes, and the shape of the output holes is square or circular, and also can be polygonal or irregular.

The light-emitting tube portions of examples 1 and 2 were selected according to the conditions of specific light-irradiation sites.

Although the preferred embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention. All of which fall within the scope of the present invention.

Claims

1. The utility model provides a fix a position accurate photodynamic therapy device, includes laser therapy machine and phototherapy head, its characterized in that: a laser transmitter is arranged in the laser therapy machine and inputs laser into the phototherapy head through a transmission optical fiber; the phototherapy head comprises an optical fiber positioning barrel, a collimating barrel and a light emitting barrel, and the optical fiber positioning barrel, the collimating barrel and the light emitting barrel are sequentially detachably connected; one end of the optical fiber positioning cylinder is provided with an optical fiber input port, and the other end of the optical fiber positioning cylinder is provided with an optical fiber positioning seat; the collimating cylinder is internally provided with a collimator which is positioned in the optical fiber positioning seat, the axis of the collimator is superposed with the center of the optical fiber input port, and the center of the light outlet at the bottom of the light outlet cylinder is superposed with the axis of the collimator.

2. The precise-positioning photodynamic therapy device according to claim 1, characterized in that: a second positioning seat is arranged in the light emitting tube, and the other end of the collimator is positioned in the second positioning seat; the light outlet of the light outlet cylinder is connected with a dispersion optical fiber; the front end of the dispersion optical fiber is a transmission optical fiber with a cladding, and a positioning ring is arranged on the tail scattering end of the dispersion optical fiber.

3. The precise-positioning photodynamic therapy device according to claim 2, characterized in that: the positioning ring is made of metal lead or platinum-iridium alloy.

4. The precise-positioning photodynamic therapy device according to claim 1, characterized in that: be equipped with the battery of lens in the light-emitting section of thick bamboo, the battery of lens outside is equipped with the light-emitting window, the inserted sheet that has the delivery outlet of light-emitting window outside demountable installation.

5. The precise-positioning photodynamic therapy device according to claim 4, characterized in that: the phototherapy head configuration has the inserted sheet of unidimensional delivery port, the delivery port shape is square or circular.

6. The precise-positioning photodynamic therapy device according to claim 1, characterized in that: the laser therapeutic machine body is provided with a display screen and a control panel, and the specific parameters of the laser light source can be controlled through the control panel.

7. The precise-positioning photodynamic therapy device according to claim 6, characterized in that: the phototherapy head is fixedly arranged on the platform above the display screen through a support rod.

8. The precise-positioning photodynamic therapy device according to claim 1, characterized in that: the phototherapy head is the tubular structure, and threaded connection in proper order between an optic fibre location section of thick bamboo, a collimation section of thick bamboo and the light-emitting section of thick bamboo.

9. The precise-positioning photodynamic therapy device according to claim 1, characterized in that: the optical fiber positioning seat is connected with the inner wall of the optical fiber positioning barrel through a slot.