CN113577576B - Photo-medical device - Google Patents
Photo-medical device Download PDFInfo
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- CN113577576B CN113577576B CN202111026816.8A CN202111026816A CN113577576B CN 113577576 B CN113577576 B CN 113577576B CN 202111026816 A CN202111026816 A CN 202111026816A CN 113577576 B CN113577576 B CN 113577576B
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0601—Apparatus for use inside the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/062—Photodynamic therapy, i.e. excitation of an agent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0625—Warming the body, e.g. hyperthermia treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/063—Radiation therapy using light comprising light transmitting means, e.g. optical fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0632—Constructional aspects of the apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/065—Light sources therefor
- A61N2005/0651—Diodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/065—Light sources therefor
- A61N2005/0654—Lamps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0662—Visible light
- A61N2005/0663—Coloured light
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0664—Details
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The application discloses a photo-medical device, at least two sliding sleeves are sleeved outside a central shaft and are arranged along the axial direction of the central shaft, and the sliding sleeves arranged at two ends are respectively a sliding sleeve I and a sliding sleeve II; the sliding sleeve I and the sliding sleeve II independently control sliding; the at least two support structures are respectively arranged corresponding to each sliding sleeve and comprise a support structure I fixed on the sliding sleeve I and a support structure II fixed on the sliding sleeve II; all of the support structures together form an adjustment profile that wraps the central axis; according to the application, as the sliding sleeve I and the sliding sleeve II are respectively and independently controlled, when the photo-medical device enters or is taken out of the body, the supporting structure at the front end can be controlled to be unfolded more greatly, so that a large protecting end is formed, the flexible light source at the other parts is prevented from contacting with skin or tissues in the advancing process, and the flexible light source is protected; simultaneously, the shape of the application is controllable by two sliding sleeves which are independently controlled.
Description
Technical Field
The present disclosure relates generally to the field of photomedical technology, and more particularly to a photomedical device.
Background
The flexible light source is changeable in shape, so that the flexible light source can be suitable for various occasions, such as indoor illumination, photodynamic therapy and the like. Photodynamic therapy is a method for treating diseases directly using light or using light and medicine in combination, and has been used in clinical practice. There are two main ways of photodynamic therapy, one is direct phototherapy and the other is the synergistic effect of light and a drug (also called photosensitizer). Photodynamic therapy is favored because of its advantages of good selectivity, minimal trauma, good tolerability, simple handling, etc. Photodynamic therapy can be divided into in vivo therapy and in vitro therapy, wherein the in vivo therapy comprises bladder cancer, throat cancer, bronchus cancer and the like, and the light source for in vivo therapy is mainly a laser optical fiber which has the advantages of easy insertion into the body and small wound. However, the optical fiber has large light energy loss and poor light emitting uniformity, and the light energy irradiated to the focus through the optical fiber is relatively low in the treatment process of a large organ, which is unfavorable for photodynamic therapy.
Disclosure of Invention
In view of the foregoing deficiencies or inadequacies of the prior art, it is desirable to provide an photomedical device that includes:
A central axis of the cylinder,
The sliding sleeves are sleeved outside the central shaft and are arranged along the axial direction of the central shaft, and the sliding sleeves arranged at the two ends are respectively a sliding sleeve I and a sliding sleeve II; the sliding sleeve I and the sliding sleeve II independently control sliding;
The at least two support structures are respectively arranged corresponding to each sliding sleeve and comprise a support structure I fixed on the sliding sleeve I and a support structure II fixed on the sliding sleeve II;
All of the support structures together form an adjustment profile that wraps the central axis;
A flexible light source fixed to the support structure, the flexible light source being distributed along the adjustment profile for providing a therapeutic light source;
the support structure expands when the sliding sleeve corresponding to the support structure is stressed so as to expand the flexible light source fixed on the support structure.
According to the technical scheme provided by the embodiment of the application, the supporting structure I consists of a plurality of supporting strips I hinged on the sliding sleeve I; the supporting structure II consists of a plurality of supporting bars II hinged on the sliding sleeve II.
According to the technical proposal provided by the embodiment of the application, the sliding sleeve between the sliding sleeve I and the sliding sleeve II is independent of the sliding sleeve I and the sliding sleeve II to control sliding, or,
The sliding sleeve between the sliding sleeve I and the sliding sleeve II is in linkage control sliding with the sliding sleeve I, or,
And the sliding sleeve positioned between the sliding sleeve I and the sliding sleeve II is in linkage control sliding with the sliding sleeve II.
According to the technical scheme provided by the embodiment of the application, the flexible light source comprises at least one of an OLED light source, an LED light source, a quantum dot light source, a miniLED light source, a microLED light source and an optical fiber; the flexible light source is coated with a skin-friendly material layer.
According to the technical scheme provided by the embodiment of the application, the LED lamp further comprises a lamp band, the flexible light source is fixed on the lamp band, and the lamp band is woven on the supporting structure I and the supporting structure II.
According to the technical scheme provided by the embodiment of the application, the flexible light source is fixed on the flexible substrate, and the edges of the flexible substrate are fixed on the supporting structure I and the supporting structure II.
According to the technical scheme provided by the embodiment of the application, the middle part of the flexible substrate is provided with a row of reinforcing ribs along the length direction of the flexible substrate.
According to the technical scheme provided by the embodiment of the application, the middle part of the flexible substrate is provided with a reinforced thickness along the length direction of the flexible substrate.
According to the technical scheme provided by the embodiment of the application, the supporting bar I comprises a long supporting bar I and a short supporting bar I; the long support bars I and the short support bars I are distributed in a staggered manner along the circumferential direction of the surface of the sliding sleeve I;
the support bar II comprises a long support bar II and a short support bar II; the long support bars II and the short support bars II are distributed in a staggered manner along the circumferential direction of the surface of the sliding sleeve II;
The long supporting bar I and the long supporting bar II are correspondingly arranged; the short supporting strips I and the short supporting strips II are correspondingly arranged.
According to the technical scheme provided by the embodiment of the application, the sliding sleeve I is positioned above the sliding sleeve II, the sliding sleeve I is pushed to slide by the pushing cylinder I sleeved outside the central shaft, and the pushing cylinder I passes through the sliding sleeve II; the sliding sleeve II is pushed to move by a pushing cylinder II sleeved outside the pushing cylinder I.
In the technical scheme of the application, a central shaft, a sliding sleeve I sleeved outside the central shaft and a sliding sleeve II are designed; the sliding sleeve I and the sliding sleeve II are distributed at intervals and are independently controlled; the support structure I is fixed on the sliding sleeve I; the support structure II is fixed on the sliding sleeve II; the support structure I and the support structure II together form an adjusting contour, and the adjusting contour wraps the central shaft; the application ensures that the flexible light sources fixed on the supporting structure I and the supporting structure II can shrink along with the shrinkage of the supporting structure, so that the device can conveniently enter the body in a small-volume structure, and can be unfolded along with the unfolding of the supporting structure after entering the body, thereby providing a large-area therapeutic light source; the flexible light source is only arranged at the end part of the central shaft, namely only distributed at the position corresponding to the treatment area, so that the light source loss on the path is avoided;
because the sliding sleeve I and the sliding sleeve II are respectively and independently controlled, when the photomedical device enters or is taken out of the body, the supporting structure at the front end can be controlled to be unfolded more greatly, a large protection end is formed, the flexible light source at the other parts is prevented from being contacted with skin or tissues in the advancing process, the flexible light source is protected, and meanwhile, the shape of the photomedical device is controllable by the two sliding sleeves which are independently controlled.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1a is a schematic view of the structure of embodiment 1 of the present application when the flexible light source is not installed and the supporting structures I and II are fully retracted;
FIG. 1b is a schematic view of the structure of embodiment 1 of the present application with the support structure I and the support structure II fully extended, without the flexible light source installed;
FIG. 1c is a schematic view of the structure of embodiment 1 of the present application with the flexible light source installed and the support structures I and II fully extended;
FIG. 1d is a schematic view of the flexible light source according to embodiment 1 of the present application during the process of installing and removing the flexible light source from the body;
FIG. 1e is a schematic view of the structure of embodiment 1 of the present application without the flexible light source installed and from the time of in-vivo entry;
FIG. 1f is a schematic view of another embodiment of the application in example 1 without a flexible light source mounted and with support structures I and II fully deployed;
FIG. 2a is a schematic cross-sectional view of a flexible substrate according to a first embodiment of the application;
FIG. 2b is a schematic cross-sectional view of a flexible substrate according to a second embodiment of the application;
FIG. 3a is a schematic view showing an expanded structure of a woven strip light in embodiment 3 of the present application;
FIG. 3b is a schematic cross-sectional view of a woven strip according to example 3 of the present application;
FIG. 4a is a schematic cross-sectional view perpendicular to the length direction of the sliding sleeve I in embodiment 4 of the present application;
FIG. 4b is a schematic cross-sectional view perpendicular to the length direction of the sliding sleeve II in embodiment 4 of the present application;
FIG. 5a is a schematic view of the first embodiment of the present embodiment 5 when the flexible light source is not installed and the support structure is fully extended;
fig. 5b is a schematic view showing the structure of the first embodiment of the present embodiment 5 during the process of installing the light source and entering the body;
FIG. 5c is a schematic view showing the structure of the first embodiment of the present embodiment 5 during the process of installing the light source and coming out of the body;
FIG. 5d is a schematic view of the second embodiment of the present invention in example 5 when the flexible light source is not installed and the support structure is fully deployed;
FIG. 5e is a schematic view showing the structure of the second embodiment of the present embodiment 5 during the process of installing the light source and entering the body;
FIG. 5f is a schematic view showing the structure of the second embodiment of the present embodiment 5 during the process of installing the light source and coming out of the body;
FIG. 5g is a schematic view of the third embodiment of the present invention in example 5, wherein the flexible light source is not mounted and the support structure is fully deployed;
FIG. 5h is a schematic view showing the structure of the third embodiment of the present embodiment 5 during the process of installing the light source and entering the body;
Fig. 5i is a schematic view showing the structure of the third embodiment of the present embodiment 5 during the process of installing the light source and coming out of the body.
Reference numerals in the drawings:
10. A central shaft; 21. a sliding sleeve I;22. a sliding sleeve II; 23. a sliding sleeve III;40. a flexible light source; 51. pushing a barrel I;52. pushing a cylinder II;41. a power supply line; 41-1, adjusting the allowance; 61. a supporting bar I;62. a support bar II; 63. support bar III;70. a flexible substrate; 71. a connecting rib; 45. a light strip; 61-1. Long support bar I;61-2. Short support bar I.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
The present embodiment provides an photomedical device including:
The central axis 10 is provided with a central axis,
A sliding sleeve I21 and a sliding sleeve II22 sleeved outside the central shaft 10; the sliding sleeve I21 and the sliding sleeve II22 are distributed at intervals and are independently controlled;
the support structure I is fixed on the sliding sleeve I21;
The support structure II is fixed on the sliding sleeve II 22;
The support structures I and II together form an adjustment profile, which wraps the central shaft 10;
a flexible light source 40 fixed on the support structure I and the support structure II, the flexible light source 40 being distributed along the adjustment profile for providing a therapeutic light source;
the support structures I and II are deployed when the sliding sleeves I21 and II22 are forced to deploy the flexible light source 40.
Wherein, in the present embodiment, the central shaft 10 is made of steel wire, thin deformable plastic rod or plastic tube, hollow or solid rubber tube; the end part provided with the supporting structure I and the supporting structure II is used for stretching into the body for treatment, the other end of the supporting structure I and the supporting structure II is exposed out of the body, and the end part exposed out of the body is provided with a control structure.
In this embodiment, the sliding sleeve I21 is located above the sliding sleeve II22, and the sliding sleeve I21 is pushed to slide by a pushing cylinder I51 sleeved outside the central shaft 10, and the pushing cylinder I51 passes through the sliding sleeve II 22; the sliding sleeve II22 is pushed to move by a pushing cylinder II52 sleeved outside the pushing cylinder I51.
Thus, the expansion and contraction of the support structure I is controlled by the push cylinder I51, and the expansion and contraction of the support structure II is controlled by the push cylinder II 52.
When the photomedical device enters the body, the supporting structure I and the supporting structure II are in a contracted state, but the supporting structure I is positioned at the front end of the entering direction, is in an incompletely contracted state and is in a slightly opened state, so that a larger entering end relative to the supporting structure II is formed, and a temporary protection space is reserved for a flexible light source positioned outside the supporting structure I and the supporting structure II.
When the photomedical device comes out of the body, the supporting structure I and the supporting structure II are in a contracted state, but the supporting structure II is positioned at the front end of the entering direction, is in an incompletely contracted state and is in a slightly opened state, so that a larger entering end relative to the supporting structure I is formed, and a temporary protection space is reserved for a flexible light source positioned outside the supporting structure I and the supporting structure II.
For ease of viewing, FIG. 1a provides a schematic view of the structure when the flexible light source is not mounted and support structures I and II are fully retracted; fig. 1b provides a schematic structural view when the flexible light source is not mounted and the support structures I and II are fully deployed.
Push barrel I51 and push barrel II52 may alternatively take the following form:
1. As shown in fig. 1 a-1 d, a push cylinder I51 is fixedly connected with a sliding sleeve I21, and a push cylinder II52 is fixedly connected with a sliding sleeve II; when the sliding sleeve is used, the sliding control of the sliding sleeve I21 and the sliding sleeve II22 is realized by respectively providing axial pushing force or pulling force for the pushing cylinder I51 and the pushing cylinder II52, so that the expansion and contraction of the supporting structure are controlled.
During the process of entering the phototherapy device into the body, as shown in fig. 1e, the sliding sleeve I21 is pushed by the pushing cylinder I51 to move a small distance towards the end of the central shaft 10, so that the supporting structure I is slightly opened, while the pushing cylinder II52 maintains the original state, so that the supporting structure II is in a completely contracted state, and thus, the supporting structure I forms a larger entering end than the supporting structure II; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I and the supporting structure II and protecting the light source.
When the phototherapy device completely enters the body to start treatment, as shown in fig. 1c, after the phototherapy device completely enters the body, the sliding sleeve I21 is pushed to move to the top end of the central shaft 10 by the pushing cylinder I51, and the sliding sleeve II22 is pushed to move to the end direction of the central shaft 10 by the pushing cylinder II 52; so that support structure I and support structure II are fully expanded, fully expanding light source 40, providing large area, close range phototherapy to the treatment area;
In the process of taking out the phototherapy device from the entering body after finishing phototherapy, as shown in fig. 1d, the sliding sleeve II22 is pushed by the pushing cylinder II52 to move a small distance towards the end of the central shaft 10, so that the supporting structure II is slightly opened, while the pushing cylinder I51 maintains the original state, so that the supporting structure I is in a completely contracted state, and therefore, the supporting structure II forms a larger moving-out end than the supporting structure I; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I and the supporting structure II and protecting the light source.
At this time, the power supply line 41 of the flexible light source 40 is disposed in such a manner as to be attached to the outer surfaces of the sliding sleeve II22 and the push cylinder 51, and an adjustment margin 41-1 is provided at the junction of the sliding sleeve II22 and the support structure.
2. As shown in fig. 1f, the lengths of the sliding sleeve I21 and the sliding sleeve II22 extend along the length direction of the central shaft 10, and the ends of the sliding sleeve I21 and the sliding sleeve II22 are exposed directly, so that when the sliding sleeve is used, the sliding control of the sliding sleeve I21 and the sliding sleeve II22 is realized by providing axial pushing force or pulling force for the exposed ends of the sliding sleeve I21 and the sliding sleeve II22, and further the expansion and contraction control of the supporting structure I and the supporting structure II is realized.
At this time, the power supply line 41 of the flexible light source 40 is disposed in such a manner as to be attached to the outer surfaces of the sliding sleeve I21 and the sliding sleeve II22, and an adjustment margin 41-1 is provided at the junction of the sliding sleeve II22 and the support structure.
In this embodiment, the support structure I is composed of a plurality of support bars I61 hinged to the sliding sleeve I21; the support structure II consists of a plurality of support bars II62 hinged on the sliding sleeve II 22.
At this time, the sliding sleeve I21 is provided with a multi-circle supporting bar I61 along the length direction, and when the supporting structure I and the supporting structure II are in a contracted state, the supporting bar I61 and the supporting bar II62 form an acute angle with the end direction of the central shaft 10; when the sliding sleeve I21 and the sliding sleeve II22 are pushed to move towards the end part of the central shaft 10 (the end provided with the supporting structure I is referred to herein), the included angles between the supporting bars I61 and II62 and the end part direction of the central shaft are larger and larger, and the pushing of the sliding sleeve I21 and the sliding sleeve II22 is stopped until the included angles between the supporting bars I61 and II62 and the end part direction of the central shaft are 90 degrees, at this time, the expansion of the supporting structure I and the supporting structure II is realized, and the ellipse shape shown in the figure 1c is presented.
The movement stop positions of the sliding sleeve I21 and the sliding sleeve II22 can be realized by arranging a protrusion for limiting the movement of the sliding sleeve on the central shaft, and also can be realized by arranging a structure for limiting the rotation position of the forward support bar 20 on the side surface of the sliding sleeve.
Preferably, the length of each circle of support bar I61 can be gradually increased from the top end to the bottom of the sliding sleeve I21, and the length of each circle of support bar II62 can be gradually decreased from the top end to the bottom of the sliding sleeve II22, so that an oval or circular profile surface is realized.
In this embodiment, the flexible light source is an OLED light source, and in other embodiments, the flexible light source may be an LED light source, a quantum dot light source, a miniLED light source, a microLED light source, an optical fiber, or any combination of at least two of these three light sources.
In other embodiments, the flexible light source 40 is coated with a layer of skin-friendly material, such as silicone gel, polydimethylsiloxane (PDMS), silicone gel, collagen (Collagen), silicone gel (Silicone Hydrogel), hydrogel (Hydrogel), hydrocolloid (Hydrocolloid), polyurethane (PU), polymethyl methacrylate (PMMA), polymethylpentene polymer (PMP), polyethylene (PE), polycarbonate, polystyrene, acrylonitrile butadiene styrene, polyolefin, polyamide, polyvinyl chloride, polyethylene, polypropylene, nylon, polyester, silicone, polyimide, polytetrafluoroethylene, polyethersulfone, polysulfone, polyetheretherketone, chitosan, pectin, gelatin, nylon, fiber, and the like.
The flexible light source is directly arranged at the tail end of the central shaft, and compared with the mode of single optical fiber treatment in the prior art, the loss on the path is avoided.
When the flexible light source is arranged on the surface of the supporting structure, compared with the single optical fiber treatment mode in the prior art, the supporting structure is unfolded during treatment, so that the supporting structure is closer to a focus area, and the loss caused by liquid is avoided. For example, some lesions are relatively large in organs such as bladder, and sometimes can block the affected part, and the whole bladder is supported by filling liquid during treatment, and light loss is caused by the existence of the liquid, especially in the case of a single optical fiber, the liquid needs to be transmitted from the end part of the optical fiber to the lesion, and the light loss is very serious; in the technical scheme of the application, the light source can be closer to the focus part by the supporting structure, the distance of light penetrating through the liquid is shorter, and correspondingly, the light loss is much smaller.
The flexible light source 40 is fixed on the flexible substrate 70, and the edges of the flexible substrate 70 are fixed on the support structures I and II.
In this embodiment, the color of the flexible light source may be red light, blue-green light, or blue light, or a light source with a mixture of colors:
The light irradiation depth of yellow green light with the wave band of 510 nm-590 nm is between blue light and red light, so that the dredging and the expansion of capillary vessels with the skin depth can be promoted, the resistance of cells can be enhanced, and the treatment effect of an affected part can be accelerated.
Red light with the wave band of 590-810 nm can lead mitochondria to release cytochrome c oxidase, increase adenosine triphosphate, and the cells provide energy by using the adenosine triphosphate, thereby promoting the metabolism of the cells; meanwhile, the red light irradiation heats molecules in blood vessels, regulates the vasodilation and improves the blood circulation;
Blue light irradiation in the 440-510 nm band can be used for relieving pain and swelling caused by inflammation. Therefore, the embodiment can achieve a plurality of different treatment effects by arranging different light sources.
When the photomedical device provided by the embodiment is used for in-vivo treatment, the supporting structure I, the supporting structure II and the flexible light source can be sent into the body by pushing the central shaft. The photomedical device provided by this embodiment may also be used for extracorporeal treatment by selectively energizing portions of the flexible light source to effect localized treatment.
Example 2
In this embodiment, as shown in fig. 2a, a row of connection ribs 71 is fixed on the bottom surface of the flexible substrate 70 in the direction perpendicular to the central axis 10, based on the embodiment 1.
Therefore, when the supporting structure I and the supporting structure II shrink, the folding part of the flexible light source can avoid the situation that the flexible light source is damaged by being fully folded in half, and particularly for the whole OLED light source, the bending angle of the connecting ribs is increased.
In other embodiments, as shown in fig. 2b, the effect of expanding the folding angle of the connecting rib may also be achieved by providing a greater thickness in the middle of the flexible substrate 70 along the length direction.
Example 3
As shown in fig. 3a and 3b, this embodiment differs from embodiment 1 in that, on the basis of embodiment 1, it is: the fixing mode of the flexible light source is changed into a flexible braiding structure; the flexible light source is fixed on the lamp strip, and the lamp strip comprises a transverse lamp strip 45-1 and a longitudinal lamp strip 45-2; the transverse light strip 45-1 and the longitudinal light strip 45-2 are woven on the supporting structure 30, and the transverse light strip 45-1 and the longitudinal light strip 45-2 may be made of thin rubber sheets, for example.
In this embodiment, the light sources are LED beads, and are connected by parallel or serial circuits, and the horizontal light strip 45-1 and the vertical light strip 45-2 are provided with a flat layer 43 covering all the light sources 40, and the flat layer is made of an organic material, such as PMMA, parylene, etc., and has a thickness 10 μm-50 μm higher than that of the light sources. The flat layer 43 allows the strip to be relatively flat, improving comfort during use.
In other embodiments, the LED lamp beads can be replaced by optical fibers or OLED light sources, and the optical fibers are attached to the transverse lamp strip 45-1 and the longitudinal lamp strip 45-2 along the length direction;
The light-emitting area of the single light strip is smaller, and the light-emitting area of the braided light strip is larger than that of the single light strip; since the lamps arranged throughout the strip are independent individuals with consistent illumination, the overall braided strip form will have better illumination uniformity relative to a massive, monolithic flexible light source; because the part of the large-block flexible light source far away from the bonding area emits light with darker brightness, and the part near the bonding area emits light with brighter brightness.
Example 4
As shown in fig. 4a and 4b, the supporting bar I61 of this embodiment includes a long supporting bar I61-1 and a short supporting bar I61-2 on the basis of embodiment 1; the long support bars I61-1 and the short support bars I61-2 are distributed in a staggered manner along the circumferential direction of the surface of the sliding sleeve I21;
The support bar II62 comprises a long support bar II62-1 and a short support bar II62-2; the long support bars II62-1 and the short support bars II62-2 are distributed in a staggered manner along the circumferential direction of the surface of the sliding sleeve II 22;
the long supporting bar I61-1 is arranged corresponding to the long supporting bar II 62-1; the short supporting strips I61-2 and the short supporting strips II62-2 are correspondingly arranged.
The above-mentioned structure of this embodiment has realized wavy regulation profile, and the folding department of flexible light source can avoid the condition emergence of the damage flexible light source of complete fifty percent discount, has especially played the guard action to the OLED light source of whole piece.
Example 5
In the embodiment, based on the embodiment 1, the number of the sliding sleeves is 3, and the sliding sleeve III23 positioned between the sliding sleeve I21 and the sliding sleeve II22 is also included; the sliding sleeve I21, the sliding sleeve II22 and the sliding sleeve III23 are sleeved outside the central shaft 10 and are arranged along the axial direction of the central shaft 10; correspondingly, a support structure III is correspondingly arranged on the sliding sleeve III23; the support structure III consists of support bars III 63.
The sliding control mode of the sliding sleeve III can be selected from the following three modes:
1. Sliding sleeve III23 controls sliding independently of sliding sleeve I21 and sliding sleeve II 22;
as shown in fig. 5a, the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II22 are nested in sequence from inside to outside; the lengths of the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II22 extend along the length direction of the central shaft 10, the direct end parts are exposed, and when the sliding sleeve is used, the sliding control of the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II22 is realized by providing axial pushing force or pulling force for the exposed ends of the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II22, so that the expansion and contraction of the supporting structure I, the supporting structure III and the supporting structure II are controlled.
During the process of entering the photomedical device into the body, as shown in fig. 5b, the support structure I is slightly opened by pushing the sliding sleeve I21 a small distance toward the end of the central shaft 10; while pushing the sliding sleeve III23 and the sliding sleeve II22 to maintain the original state, so that the supporting structure II and the supporting structure III are in the completely contracted state, and thus, the supporting structure I forms a larger entrance end than the supporting structure II and the supporting structure III; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I, the supporting structure II and the supporting structure III, and protecting the light source.
When the phototherapy device completely enters the body to start treatment, the phototherapy device is respectively pushed to move towards the end part direction of the central shaft 10 towards the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II 22; so that support structure I, support structure II and support structure III are fully expanded, and light source 40 is fully expanded to provide large area close range phototherapy to the treatment area;
During the removal of the photomedical device from the access body after completion of phototherapy, as shown in fig. 5c, support structure II is slightly expanded by pushing sliding sleeve II22 toward the end of central shaft 10 by a small distance, while sliding sleeve I21 and sliding sleeve III23 remain in the original state, such that support structure I and support structure III are both in the contracted state, and thus support structure II forms a larger removal end than support structure I and support structure III; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I, the supporting structure II and the supporting structure III, and protecting the light source.
2. The sliding sleeve III and the sliding sleeve I are in linkage control sliding;
as shown in fig. 5d, the sliding sleeve III23 is sleeved in the sliding sleeve II22, and the sliding sleeve I21 is linked with the sliding sleeve III 23; the lengths of the sliding sleeve III23 and the sliding sleeve II22 extend along the length direction of the central shaft 10, the direct end parts are exposed, and when the sliding sleeve is used, the sliding control of the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II22 is realized by providing axial pushing force or pulling force for the exposed ends of the sliding sleeve III23 and the sliding sleeve II22, so that the control of the expansion and the contraction of the supporting structure I, the supporting structure III and the supporting structure II is realized.
During the process of entering the body of the photomedical device, as shown in fig. 5e, by pushing the sliding sleeve III23 to move a small distance toward the end of the central shaft 10, the sliding sleeve I21 also moves along with the sliding sleeve III23, so that the support structures I and III are slightly opened; while the sliding sleeve II22 remains in the original state, so that the support structures II are all in the contracted state, and thus the support structures I form a larger entry end than the support structures II; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I, the supporting structure II and the supporting structure III, and protecting the light source.
When the phototherapy device completely enters the body to start treatment, the sliding sleeve III23 and the sliding sleeve II22 are respectively pushed to move towards the end part direction of the central shaft 10; so that support structure I, support structure II and support structure III are fully expanded, and light source 40 is fully expanded to provide large area close range phototherapy to the treatment area;
During the removal of the photomedical device from the access body after completion of phototherapy, as shown in fig. 5f, support structure II is slightly expanded by pushing sliding sleeve II22 a small distance toward the end of central shaft 10, while sliding sleeve I21 and sliding sleeve III23 remain in the original state, such that support structure I and support structure III are both in the fully contracted state, and thus support structure II forms a larger removal end than support structure I and support structure III; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I, the supporting structure II and the supporting structure III, and protecting the light source.
3. Sliding sleeve III and sliding sleeve II coordinated control slip.
As shown in fig. 5g, the sliding sleeve I21 is sleeved in the sliding sleeve II22, and the sliding sleeve III23 is linked with the sliding sleeve II 22; the lengths of the sliding sleeve I21 and the sliding sleeve II22 extend along the length direction of the central shaft 10, the direct end parts are exposed, and when the sliding sleeve is used, the sliding control of the sliding sleeve I21, the sliding sleeve III23 and the sliding sleeve II22 is realized by providing axial pushing force or pulling force for the exposed ends of the sliding sleeve I21 and the sliding sleeve II22, so that the control of the expansion and the contraction of the supporting structure I, the supporting structure III and the supporting structure II is realized.
During the process of the photomedical device entering the body, as shown in fig. 5h, the support structure I is slightly opened by pushing the sliding sleeve I21 a small distance toward the end of the central shaft 10; while sliding sleeve II22 and sliding sleeve III23 remain in their original state such that support structure II and support structure III are both in a contracted state, thus support structure I forms a larger entry end than support structure II and support structure III; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I, the supporting structure II and the supporting structure III, and protecting the light source.
When the phototherapy device completely enters the body to start treatment, the sliding sleeve I21 and the sliding sleeve II22 are respectively pushed to move towards the end part direction of the central shaft 10; so that support structure I, support structure II and support structure III are fully expanded, and light source 40 is fully expanded to provide large area close range phototherapy to the treatment area;
In the process of taking out the phototherapy device from the entering body after finishing phototherapy, as shown in fig. 5I, by pushing the sliding sleeve II22 to move a small distance toward the end of the central shaft 10, at this time, the sliding sleeve III23 also moves along with the sliding sleeve II22, so that the supporting structure II and the supporting structure III slightly expand, while the sliding sleeve I21 maintains the original state, so that the supporting structure I is in the contracted state, and thus, the supporting structure II and the supporting structure III form a larger moving-out end than the supporting structure I; thereby supporting temporary protection space for the flexible light source positioned outside the supporting structure I, the supporting structure II and the supporting structure III, and protecting the light source.
In other embodiments, the number of the sliding sleeves can be 4 or more, and the control modes among different sliding sleeves can be independently controlled or can slide in linkage with other sliding sleeves.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (9)
1. A photomedical device, comprising:
A central axis of the cylinder,
The sliding sleeves are sleeved outside the central shaft and are arranged along the axial direction of the central shaft, and the sliding sleeves arranged at the two ends are respectively a sliding sleeve I and a sliding sleeve II; the sliding sleeve I and the sliding sleeve II independently control sliding;
At least two support structures, each of which is disposed corresponding to each of the sliding sleeves, including a support structure I secured to the sliding sleeve I and a support structure II secured to the sliding sleeve II;
All of the support structures together form an adjustment profile that wraps the central axis;
A flexible light source fixed to the support structure, the flexible light source being distributed along the adjustment profile for providing a therapeutic light source;
the support structure is unfolded when the sliding sleeve corresponding to the support structure is stressed, so that the flexible light source fixed on the support structure is unfolded;
The sliding sleeve I is positioned above the sliding sleeve II, the sliding sleeve I is pushed to slide by a pushing cylinder I sleeved outside the central shaft, and the pushing cylinder I passes through the sliding sleeve II; the sliding sleeve II is pushed to move by a push cylinder II sleeved outside the push cylinder I.
2. The photomedical device of claim 1, wherein the support structure I is comprised of a plurality of support bars I hinged to the sliding sleeve I; the support structure II is comprised of a plurality of support bars II hinged to the slide II.
3. The photomedical device of claim 1, wherein the sliding sleeve between the sliding sleeve I and the sliding sleeve II is controlled to slide independently of the sliding sleeve I and the sliding sleeve II, or,
A sliding sleeve positioned between the sliding sleeve I and the sliding sleeve II is in linkage with the sliding sleeve I to control sliding, or,
A sliding sleeve positioned between the sliding sleeve I and the sliding sleeve II is in linkage control sliding with the sliding sleeve II.
4. The photomedical device of claim 1, wherein the flexible light source comprises at least one of an OLED light source, an LED light source, a quantum dot light source, a miniLED light source, a microLED light source, an optical fiber; the flexible light source is coated with a skin-friendly material layer.
5. The photomedical device of any one of claims 1-4, further comprising a light strip having the flexible light source secured thereto, the light strip being woven on the support structure.
6. The photomedical device of any one of claims 1 to 4, wherein the flexible light source is secured to a flexible substrate, and wherein an edge of the flexible substrate is secured to a support structure.
7. The photomedical device of claim 6, wherein the central portion of the flexible substrate is provided with reinforcing ribs along its length.
8. The photomedical device of claim 6, wherein the central portion of the flexible substrate has a reinforced thickness along its length.
9. The photomedical device of claim 2, wherein,
The support bars I include a long support bar I and a short support bar I; the long support bars I and the short support bars I are circumferentially staggered along the surface of the sliding sleeve I;
the support bars II include a long support bar II and a short support bar II; the long support bars II and the short support bars II are circumferentially staggered along the surface of the sliding sleeve II;
The long supporting bar I is arranged corresponding to the long supporting bar II; the short support bars I and the short support bars II are correspondingly arranged.
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