CN216986087U - Sleeve suitable for accurate photodynamic therapy - Google Patents
Sleeve suitable for accurate photodynamic therapy Download PDFInfo
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- CN216986087U CN216986087U CN202123297500.0U CN202123297500U CN216986087U CN 216986087 U CN216986087 U CN 216986087U CN 202123297500 U CN202123297500 U CN 202123297500U CN 216986087 U CN216986087 U CN 216986087U
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- sleeve
- balloon
- cannula
- guide assembly
- photodynamic therapy
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Abstract
The utility model discloses a sleeve suitable for precise photodynamic therapy, which comprises a balloon sleeve, a protective sleeve and a guide component, wherein the balloon sleeve is provided with a balloon opening; the balloon sleeve is sleeved outside the protective sleeve, a balloon is arranged in the middle of the balloon sleeve, and an injection port is arranged at the tail end of the balloon sleeve and used for injecting a light-transmitting fluid medium; the balloon is used for containing an injected light-transmitting fluid medium; the protection component is used for placing an optical fiber; the bottom of the guide assembly is conical, and the top of the guide assembly is spherical; the head ends of the balloon sleeve and the protective sleeve are fixedly connected with the bottom of the guide assembly. The assembly and replacement of the catheter is facilitated. The top of the guiding component is spherical, so that the catheter can conveniently enter the body, and the pain of a patient is relieved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a sleeve suitable for precise photodynamic therapy.
Background
Photodynamic Therapy (PDT) is a new technology for disease diagnosis and treatment using Photodynamic effects. The basis of action is the photodynamic effect. This is a photosensitizing reaction with biological effects involving oxygen molecules. The process is that the laser irradiation with specific wavelength excites the photosensitizer absorbed by the tissue, and the excited photosensitizer transfers the energy to the surrounding oxygen to generate singlet oxygen with strong activity, the singlet oxygen and the adjacent biomacromolecule generate oxidation reaction to generate cytotoxicity, and then the cell is damaged or even died.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to provide a sleeve suitable for precise photodynamic therapy, and a guide assembly is arranged at the head ends of a balloon sleeve and a protective sleeve, so that the assembly and replacement of a catheter are convenient. The top of the guiding component is spherical, so that the catheter can conveniently enter the body, and the pain of a patient is relieved.
In order to achieve the above object, the present invention provides a sleeve suitable for precise photodynamic therapy, which comprises a balloon sleeve, a protective sleeve and a guide assembly; the balloon sleeve is sleeved outside the protective sleeve, a balloon is arranged in the middle of the balloon sleeve, and an injection port is arranged at the tail end of the balloon sleeve and used for injecting a light-transmitting fluid medium; the balloon is used for containing the injected light-transmitting fluid medium; the protection component is used for placing an optical fiber;
the bottom of the guide assembly is conical, and the top of the guide assembly is spherical; the head ends of the balloon sleeve and the protective sleeve are fixedly connected with the bottom of the guide assembly.
More preferably, the injection port is communicated with an injection hose, and the injection hose is connected with a syringe.
Further preferably, the center of the bottom of the guide assembly is provided with a threaded column and a threaded ring; the threaded column and the threaded ring are concentrically arranged.
Further preferably, the threaded column is fixedly connected with the protective sleeve by using threads on the outer wall.
Further preferably, the thread ring is fixedly connected with the balloon sleeve by using threads on the outer wall.
Further preferably, the balloon sleeve and the joint of the protective sleeve and the bottom of the guide assembly are fixedly connected through UV medical glue.
Further preferably, the guide assembly is integrally formed by a silica gel material.
The utility model discloses a sleeve pipe suitable for accurate photodynamic treatment adopts and sets up the guide assembly at sacculus sleeve pipe and protective casing's head end, makes things convenient for the equipment and the replacement of pipe. The top of the guiding component is spherical, so that the catheter can conveniently enter the body, and the pain of a patient is relieved.
Drawings
Fig. 1 is an axial cross-sectional view of a cannula of the present invention suitable for use in precision photodynamic therapy.
Fig. 2 is a schematic structural diagram of a guiding assembly of the cannula suitable for precise photodynamic therapy according to the present invention.
In the figure:
1. a balloon sleeve; 2. a protective sleeve; 3. a guide assembly; 4. a top portion; 5. a bottom; 6. an injection hose; 7. a threaded post; 8. a threaded ring.
Detailed Description
The utility model is described in further detail below with reference to the figures and the detailed description.
As shown in fig. 1, the cannula suitable for precise photodynamic therapy provided by the embodiment of the aspect of the present invention comprises a balloon cannula 1, a protecting cannula 2 and a guiding component 3; the balloon sleeve 1 is sleeved outside the protective sleeve 2, a balloon is arranged in the middle of the balloon sleeve 1, and an injection port is arranged at the tail end of the balloon sleeve 1 and used for injecting a light-transmitting fluid medium; the balloon is used for containing an injected light-transmitting fluid medium; the protection component is used for placing an optical fiber;
the bottom 5 of the guide component 3 is conical, and the top 4 is spherical; the head ends of the balloon sleeve 1 and the protective sleeve 2 are fixedly connected with the bottom 5 of the guide component 3.
In this embodiment, during treatment, after the photosensitizer is infused into the patient, the optical fiber is placed in the protective sheath, then the guiding component is respectively fixedly connected with the saccule sleeve and the protective sleeve, a catheter formed by fixing the guiding component, the saccule sleeve and the protective sleeve extends into the internal tissues of the patient needing photodynamic therapy or detection, a light-transmitting fluid medium is injected by utilizing the injection port, wherein the light-transmitting fluid medium can be sterile air or light-transmitting medium such as physiological saline, the balloon part of the balloon sleeve is expanded to support surrounding tissues, the laser irradiation area is increased, and according to the time of photodynamic detection, because the photodynamic detection is based on the fact that the photosensitizer can show periodic fluorescent reaction under the action of in vivo cell metabolism, the intermittent treatment such as 24-hour illumination once and 48-hour illumination once can be adopted according to the injection time. Therefore, the average fluorescence brightness obtained by calculation can be used for evaluating the content of the photosensitizer or monitoring the photodynamic process according to the increased irradiation area and the laser power, and the effect of accurate treatment is achieved.
The injection port is communicated with an injection hose 6, and the injection hose 6 is connected with an injector. The balloon sleeve may be injected with a transparent fluid medium by means of a syringe.
As shown in fig. 2, it is further preferable that the bottom 5 of the guide assembly 3 is centrally provided with a threaded post 7 and a threaded ring 8; the threaded post 7 and the threaded ring 8 are concentrically arranged. The threaded column 7 is fixedly connected with the protective sleeve 2 by threads on the outer wall. The thread ring 8 is fixedly connected with the balloon sleeve 1 by utilizing threads on the outer wall. The balloon sleeve 1 and the joint of the protective sleeve 2 and the bottom 5 of the guide component 3 are fixedly connected through UV medical glue.
Further preferably, the guide component 3 is integrally formed by a silicone material. The flexible medium and the smooth design are adopted, so that the pain is reduced when the catheter enters the body of a patient.
The application discloses sleeve pipe suitable for accurate photodynamic therapy adopts and sets up the guide assembly at the head end of sacculus sleeve pipe and protective casing, makes things convenient for equipment and the replacement of pipe. After the photodynamic therapy is carried out, the catheter is withdrawn from the body, and the guide assembly is cut off, so that the balloon sleeve of the guide assembly can be directly detached and directly replaced, and the secondary utilization of the optical fiber and the protective sleeve cannot be influenced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (7)
1. A sleeve suitable for precise photodynamic therapy is characterized by comprising a balloon sleeve, a protective sleeve and a guide component; the balloon sleeve is sleeved outside the protective sleeve, a balloon is arranged in the middle of the balloon sleeve, and an injection port is arranged at the tail end of the balloon sleeve and used for injecting a light-transmitting fluid medium; the balloon is used for containing the injected light-transmitting fluid medium; the protective sleeve is used for embedding the optical fiber;
the bottom of the guide assembly is conical, and the top of the guide assembly is spherical; the head ends of the balloon sleeve and the protective sleeve are fixedly connected with the bottom of the guide assembly.
2. The cannula according to claim 1, wherein the injection port is in communication with an injection hose, the injection hose being connected to a syringe.
3. The cannula suitable for precise photodynamic therapy according to claim 1, wherein the bottom center of the guide assembly is provided with a threaded post and a threaded ring; the threaded column and the threaded ring are concentrically arranged.
4. The cannula according to claim 3, wherein the threaded post is fixedly attached to the protective sleeve by threads on the outer wall.
5. The cannula suitable for precise photodynamic therapy according to claim 3, wherein the threaded ring is fixedly connected with the balloon cannula by means of threads on the outer wall.
6. The cannula suitable for precise photodynamic therapy according to claim 1, wherein the balloon cannula and the protecting cannula are fixedly connected with the bottom of the guiding component by UV medical glue.
7. The cannula according to claim 1, wherein the guide member is integrally formed of a silicone material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297500.0U CN216986087U (en) | 2021-12-24 | 2021-12-24 | Sleeve suitable for accurate photodynamic therapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297500.0U CN216986087U (en) | 2021-12-24 | 2021-12-24 | Sleeve suitable for accurate photodynamic therapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216986087U true CN216986087U (en) | 2022-07-19 |
Family
ID=82387036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123297500.0U Active CN216986087U (en) | 2021-12-24 | 2021-12-24 | Sleeve suitable for accurate photodynamic therapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216986087U (en) |
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2021
- 2021-12-24 CN CN202123297500.0U patent/CN216986087U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 215000 room 402, building 12, No.8 Jinfeng Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: CHINA MEDICAL (SUZHOU) ST DEVELOPMENT CO.,LTD. Address before: 215000 room 402, building 12, No.8 Jinfeng Road, high tech Zone, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: CHINA MEDICAL (SUZHOU) ST DEVELOPMENT CO.,LTD. |
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| CP02 | Change in the address of a patent holder |