CN113599715A

CN113599715A - Optical medical device

Info

Publication number: CN113599715A
Application number: CN202111026828.0A
Authority: CN
Inventors: 康建喜; 贾长建; 张国辉; 朱映光; 胡永岚; 谢静; 赵杨
Original assignee: Beijing Yiguang Medical Technology Research Institute Co ltd
Current assignee: Beijing Yiguang Medical Technology Research Institute Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-11-05

Abstract

The application discloses light medical treatment device includes: a central shaft; the sliding sleeve is sleeved outside the central shaft in a sliding manner; the supporting structure is fixed on the sliding sleeve to form an adjusting contour wrapping the shaft end of the central shaft; the flexible light source is fixed on the supporting structure and distributed along with the adjusting contour, and is used for providing a therapeutic light source; the support structure is deployed when the sliding sleeve is stressed to deploy the flexible light source. The flexible light source fixed on the supporting structure is contracted through contraction of the supporting structure, so that the device can conveniently enter a body in a small-volume structure and can be unfolded along with expansion of the supporting structure after entering the body, and a large-area treatment light source is provided; since the flexible light sources are arranged only at the surface of the support structure, i.e. distributed only at positions corresponding to the treatment area, loss of light sources along the path is avoided.

Description

Optical medical device

Technical Field

The present disclosure relates generally to the field of photomedical technology, and in particular, to a photomedical device.

Background

The flexible light source can be used in various occasions, such as indoor illumination, photodynamic therapy and the like, due to the changeable shape. Photodynamic therapy is a method for treating diseases by directly using light or using the cooperation of light and drugs, and is currently applied to clinical medicine. There are two main ways of photodynamic therapy, one is direct light therapy, and the other is light therapy and drug (also called photosensitizer) synergistic therapy. Photodynamic therapy is favored because of the advantages of good selectivity, minimal invasion, good tolerance, simple operation and the like. Photodynamic therapy can be divided into in vivo therapy and in vitro therapy, and the in vivo therapy includes bladder cancer, throat cancer, bronchial cancer, etc. The light source for in vivo treatment is mainly laser optical fiber, which has the advantages of easy insertion into body and small wound. However, the light energy loss of the optical fiber is large, the uniformity of the light emission is poor, and the light energy irradiated to the focus through the optical fiber is low in the treatment process of a large organ, which is not favorable for photodynamic treatment.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a photomedical device comprising:

a central shaft is arranged at the center of the rotary shaft,

the sliding sleeve is sleeved outside the central shaft in a sliding manner;

the supporting structure is fixed on the sliding sleeve to form an adjusting contour wrapping the shaft end of the central shaft;

the flexible light source is fixed on the supporting structure and distributed along with the adjusting contour, and is used for providing a therapeutic light source;

the support structure is deployed when the sliding sleeve is stressed to deploy the flexible light source.

According to the technical scheme provided by the embodiment of the application, the supporting structure is in a telescopic grid spherical shape, and the end part of the central shaft penetrates into the supporting structure and is fixedly connected with the supporting structure; or the supporting structure is composed of a plurality of telescopic supporting strips distributed circumferentially around the central shaft, one end of each telescopic supporting strip is fixed at the end part of the central shaft, and the other end of each telescopic supporting strip is fixed on the sliding sleeve.

According to the technical scheme provided by the embodiment of the application, the support structure is provided with a flat layer covering the flexible light source, the flat layer is made of organic materials, and the height of the flat layer protruding out of the flexible light source is 10-50 micrometers.

According to the technical scheme provided by the embodiment of the application, the flexible light source is fixed on the supporting structure in the following mode:

the flexible light source is attached to the surface of the flexible base material, and the edge of the flexible base material is fixed on the supporting structure;

or a lamp strip is woven on the supporting structure, and the flexible light source is fixed on the lamp strip;

the flexible light source comprises at least one of an OLED light source, an LED light source, a quantum point light source, a miniLED light source, a microLED light source and an optical fiber, and a skin-friendly material layer is coated outside the flexible light source.

According to the technical scheme provided by the embodiment of the application, a row of connecting ribs are fixed on the bottom surface of the flexible base material in the direction perpendicular to the central axis.

According to the technical scheme provided by the embodiment of the application, a first reverse sliding sleeve is sleeved at the end part of the central shaft outside the supporting structure; a second reverse sliding sleeve is arranged on one side, far away from the supporting structure, of the sliding sleeve of the central shaft;

the side of first reverse sliding sleeve and second reverse sliding sleeve all articulates there is the reversal structure of adjusting, the reversal structure is in form evagination structure when bearing structure contracts, the maximum width of evagination structure is greater than maximum width when bearing structure contracts.

According to the technical scheme provided by the embodiment of the application, the first reverse sliding sleeve and the second reverse sliding sleeve are linked with the sliding sleeves; a connecting sleeve is fixedly sleeved at the position of the central shaft close to the end part; the connecting sleeve is provided with an axially through hole; the first reverse sliding sleeve is in linkage connection or independent connection with the sliding sleeve through a connecting piece penetrating through the through hole.

According to the technical scheme that this application embodiment provided, reverse regulation structure including articulate the reverse support bar of first reverse sliding sleeve and second reverse sliding sleeve side and fix the flexible piece of reverse support bar tip.

According to the technical scheme provided by the embodiment of the application, the end part of the central shaft is arranged outside the supporting structure, and the central shaft is provided with a reverse sliding sleeve on one side of the sliding sleeve, which is far away from the supporting structure; the reverse sliding sleeve is connected with the sliding sleeve in a linkage mode or independently.

According to the technical scheme that this application embodiment provided, the side of reverse sliding sleeve all articulates there is the reverse regulation structure, the reverse regulation structure is in form evagination structure when bearing structure contracts, the maximum width of evagination structure is greater than maximum width when bearing structure contracts.

According to the technical scheme that this application embodiment provided, reverse regulation structure including articulate reverse support bar in reverse sliding sleeve side and fix the flexible piece of reverse support bar tip.

The center shaft is designed, the sliding sleeve is slidably sleeved outside the center shaft, and the telescopic support structure is fixed on the sliding sleeve, so that the support structure forms an adjusting contour wrapping the shaft end of the center shaft; the flexible light source fixed on the supporting structure can be contracted along with the contraction of the supporting structure, so that the device can conveniently enter a human body with a small-volume structure and can be expanded along with the expansion of the supporting structure after entering the human body, and a large-area treatment light source is provided; since the flexible light sources are arranged only at the ends of the central axis, i.e. only distributed at positions corresponding to the treatment area, loss of light sources along the path is avoided.

According to the technical scheme provided by the embodiment of the application, the flexible light source is fixed on the supporting structure through the flexible base material, wherein a row of connecting ribs are fixed on the bottom surface of the flexible base material in the direction perpendicular to the central axis. Due to the arrangement of the connecting ribs, when the supporting structure contracts, the folding position of the flexible light source can be prevented from being completely folded, particularly for the whole OLED light source, the bending angle of the connecting ribs is increased, and further damage to the flexible light source caused by folding is avoided.

According to the technical scheme provided by the embodiment of the application, the first reverse sliding sleeve and the second reverse sliding sleeve are arranged, and the side surfaces of the first reverse sliding sleeve and the second reverse sliding sleeve are hinged with reverse adjusting structures; when the optical medical device enters or is taken out of the body, the reverse adjusting structure forms convex structures on two sides of the supporting structure, on one hand, the supporting structure is convenient to take the flexible light source out of the body or enter the body, and in addition, the flexible light source can be prevented from contacting other skin tissues in the entering or exiting process, so that the flexible light source can be protected.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1a is a schematic structural diagram of the flexible light source not installed in embodiment 1 of the present application;

FIG. 1b is a schematic structural diagram of the installation of a flexible light source in embodiment 1 of the present application;

fig. 1c is a schematic structural view illustrating a structure in which a flexible light source is installed and a sliding sleeve and a push cylinder structure are integrated in embodiment 1 of the present application;

FIG. 1d is a schematic view of the support structure of FIG. 1c after contraction;

FIG. 2a is a schematic structural diagram of the flexible light source not installed in embodiment 2 of the present application;

FIG. 3a is a schematic structural diagram of a first arrangement of a flexible light source in embodiment 3 of the present application;

FIG. 3b is a schematic structural diagram of a second arrangement of a flexible light source in embodiment 3 of the present application;

FIG. 3c is a schematic structural diagram of a third arrangement of a flexible light source in embodiment 3 of the present application;

fig. 4a is a schematic view of an unfolded structure of the woven lamp strip in embodiment 4 of the present application;

FIG. 4b is a schematic cross-sectional view taken along the line A-A of FIG. 4 a;

FIG. 5a is a schematic cross-sectional view of a first embodiment of a flexible substrate in example 5 of the present application;

FIG. 5b is a schematic cross-sectional view of a second embodiment of a flexible substrate according to example 5 of the present application;

FIG. 6a is a schematic view of the support structure of example 6 of the present application in an unfolded state;

FIG. 6b is a cross-sectional view taken along plane A-A of FIG. 6 a;

FIG. 6c is a schematic view of the support structure of example 6 of the present application when it is contracted;

FIG. 6d is a schematic view showing the unfolding of the support structure in the second embodiment of the sliding sleeve in example 6 of the present application;

FIG. 7a is a schematic structural diagram of example 7 of the present application;

FIG. 8a is a schematic structural diagram of an embodiment of example 8 of the present application;

FIG. 8b is an enlarged schematic view of the top end of FIG. 8 a;

FIG. 8c is a schematic cross-sectional view taken along plane B-B of FIG. 8B;

FIG. 8d is a schematic structural diagram of a second embodiment of example 8 of the present application;

FIG. 8e is a schematic cross-sectional view taken along plane C-C of FIG. 8 b;

reference numbers in the figures:

10. a central shaft; 20. a sliding sleeve; 30. a support structure; 40. a flexible light source; 45-1, a transverse lamp strip; 45-2, longitudinal lamp band; 50. a control structure; 51. a push cylinder; 41. a power supply line; 41-1, adjusting the allowance; 60. a flexible substrate; 31. a supporting strip; 32. a support pillar; 42, LED lamp beads; 43. a planarization layer; 44. an optical fiber; 45. a light strip; 61. a reverse sliding sleeve; 62. a reverse support bar; 63. a flexible block; 64. a first reverse sliding sleeve; 65. a second reverse sliding sleeve; 11. connecting sleeves; 12. a connecting member; 66. a first control terminal; 67. a second control terminal.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

The present embodiments provide a photomedical device, comprising:

the central shaft 10 is provided with a central shaft,

a sliding sleeve 20 slidably fitted over the central shaft 10;

the supporting structure 30 is fixed on the sliding sleeve 20 and forms an adjusting contour which wraps the shaft end of the central shaft 10;

a flexible light source 40 fixed to said support structure 30 and distributed along said adjustment profile for providing a therapeutic light source;

the support structure 30 deploys when the sliding sleeve 20 is stressed to deploy the flexible light source 40.

In the present embodiment, the central shaft 10 is made of steel wire, thin deformable plastic rod or tube, hollow or solid rubber tube; the end of the support structure 30 is provided for insertion into the body for treatment, the other end is exposed outside the body, and the end exposed outside the body is provided with a control structure 50.

For ease of viewing, FIG. 1a provides that the contoured surface of the support structure 30 is not provided with a flexible light source; fig. 1b provides that the support structure 30 is covered by a flexible light source 40.

The control structure 50 may alternatively take the following forms:

1. as shown in fig. 1a and 1b, a push cylinder 51 is sleeved outside the central shaft 10, the push cylinder 51 is fixedly connected with an end surface of the sliding sleeve 20, an end portion of the push cylinder 51 is exposed, and when the push cylinder 51 is used, the push cylinder 51 is provided with axial pushing force or pulling force to realize sliding control of the sliding sleeve 20, and further realize control of expansion and contraction of the supporting structure 30.

At this time, the power supply line 41 of the flexible light source 40 is disposed by being attached to the outer surfaces of the sliding sleeve and the push cylinder 51, and an adjustment margin 41-1 is provided at the junction of the sliding sleeve 20 and the support structure.

2. As shown in fig. 1c, the length of the sliding sleeve 20 extends along the length direction of the central shaft 10, and the direct end is exposed, when in use, the sliding control of the sliding sleeve 20 is realized by providing axial pushing force or pulling force to the exposed end of the sliding sleeve 20, so as to realize the control of the expansion and contraction of the supporting structure 30.

At this time, the power supply line 41 of the flexible light source 40 is arranged in such a way that it is attached to the outer surface of the sliding sleeve, and an adjustment margin 41-1 is provided at the joint of the sliding sleeve and the support structure.

As shown in fig. 1a, in the present embodiment, the supporting structure is in the shape of a grid sphere, the end of the central shaft 10 penetrates into the supporting structure 30 and is fixedly connected with the supporting structure, when the supporting structure 30 is pushed by the sliding sleeve 20 to the end of the central shaft, a spherical surface in the figure is formed, so that the flexible light source fixed on the supporting structure is unfolded; as shown in FIG. 1d, when an outward pulling force is applied to the sliding sleeve 20, the supporting structure 30 is contracted to form a rod shape, thereby facilitating the removal from or entry into the body.

The "mesh spherical surface shape" in the present embodiment may be a perfect circle or an ellipse. The 'grid spherical' support structure in this embodiment is formed by connecting a plurality of mutually hinged support bars.

In this embodiment, the flexible light source is attached to the surface of the flexible substrate 60, and the edge of the flexible substrate 60 is fixed on the supporting structure 30; when the support structure 30 is retracted, the flexible light source is folded along the center line of the flexible substrate 60, and the folded flexible light source and the flexible substrate 60 can be curled by rotating the central shaft clockwise or counterclockwise; if the treatment is performed by clockwise curling, the flexible light source is turned on by rotating the central shaft 10 counterclockwise after entering the body.

In this embodiment, the flexible substrate 60 is a rubber sheet, the flexible light source is an OLED light source substantially conforming to the shape of the flexible substrate 60, and is fixed on the flexible substrate 60 by glue, and the edge of the flexible substrate 60 is fixed on the support structure by glue. In other embodiments, the flexible light source can also be a plurality of OLED light sources, LED light sources, quantum dot light sources, miniLED light sources, micro LED light sources, optical fibers, or a mixture of these light sources arranged on the flexible substrate 60.

In other embodiments, the flexible light source 40 is coated with a skin-friendly material layer, such as silica gel, Polydimethylsiloxane (PDMS), silica gel, Collagen (Collagen), silica Hydrogel (silicone Hydrogel), Hydrogel (hydrocoloid), 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.

Above-mentioned flexible light source directly sets up on bearing structure's surface, compares the mode of single fiber treatment among the prior art, has avoided the loss on the route.

When adopting flexible light source to lay on bearing structure's surface, compare the mode of single fiber treatment among the prior art, owing to in the treatment, bearing structure is expanded, can be close to the focus area more, avoids the loss that liquid extinction leads to. For example, some lesions such as bladder may sometimes block the lesion due to larger organs, and the whole bladder may be supported by filling liquid during treatment, and light loss may also be caused due to the presence of liquid, especially for the case of a single light guide fiber, the liquid needs to be transmitted from the end of the fiber to the lesion, and in this case, the light loss may be very serious; and in the technical scheme of this application, strut through bearing structure for the light source can be close to focus position more, and the distance that light permeates through liquid is shorter, and correspondingly, light loss also can be a lot less.

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 multiple mixed colors:

the irradiation depth of the yellow green light with the wave band of 510 nm-590 nm is between the blue light and the red light, so that the dredging and the expansion of the capillary vessel in the skin depth can be promoted, the resistance of cells is enhanced, and the treatment effect of the affected part is accelerated.

Red light with a waveband of 590-810 nm can enable mitochondria to release cytochrome c oxidase, increase adenosine triphosphate, and enable cells to provide energy by utilizing the adenosine triphosphate, so that the metabolism of the cells is promoted; meanwhile, the red light irradiation heats molecules in the blood vessel, so as to adjust the blood vessel expansion and improve the blood circulation;

the blue light irradiation of the 440-510 nm wave band can be used for relieving pain and swelling caused by inflammation. Therefore, the present embodiment can achieve a plurality of different therapeutic effects by arranging different light sources.

When the photomedical device provided by the embodiment is used for in-vivo treatment, the supporting structure and the flexible light source can be sent into the body by pushing the central shaft. The photomedical device provided by the embodiment can also be used for extracorporeal treatment, and local treatment can be performed by selectively electrifying part of the flexible light source.

Example 2

In this embodiment, on the basis of embodiment 1, the implementation manner of the supporting structure is changed to the following manner: as shown in fig. 2a, the supporting structure 30 is composed of a plurality of supporting bars 31 distributed circumferentially around the central shaft 10, one end of each supporting bar 31 is fixed on the end of the central shaft 10, and the other end is fixed on the sliding sleeve 20.

At this time, a shuttle space is formed between the adjacent supporting bars 31, and both sides of the flexible base material 60 are fixed to the adjacent supporting bars 31.

The support bar 31 may be made of, for example, a plastic having a certain elasticity.

Example 3

As shown in fig. 3a, the difference between this embodiment and embodiment 2 is: the flexible light source is replaced by: the flexible light sources are distributed along the length direction of the supporting strip 31, in the embodiment, the flexible light sources are LED lamp beads 42, a flat layer 43 covering all the flexible light sources is arranged on the supporting strip 31, the flat layer is made of organic materials such as PMMA (polymethyl methacrylate), parylene and the like, and the thickness of the flat layer is 10-50 micrometers higher than that of the light sources.

As shown in fig. 3b, at this time, the optical fiber 44 may be attached to the supporting bar 31 along the length direction thereof;

optionally, an OLED light source may also be attached to the supporting bar 31 along the length direction thereof;

the quantity of flexible light source is a plurality of, and through parallelly connected or the mode circuit connection of establishing ties, flat layer 43 lets the lamp area more level and smooth, the comfort when improving the use.

As shown in fig. 3c, preferably, the light strip 45 may also be arranged circumferentially.

Example 4

As shown in fig. 4a and 4b, the present embodiment differs from embodiment 1 in that, based on embodiment 1: the fixing mode of the flexible light source is changed into a flexible woven structure, wherein the flexible light source is fixed on the lamp strip, and in the embodiment, as shown in fig. 4a, the lamp strip comprises a transverse lamp strip 45-1 and a longitudinal lamp strip 45-2; the transverse strip 45-1 and the longitudinal strip 45-2 are woven on the supporting structure 30, and the transverse strip 45-1 and the longitudinal strip 45-2 may be made of thin rubber sheets, for example.

In this embodiment, the light sources are LED beads, which are connected in parallel or in series by a circuit, 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, the flat layer is made of an organic material, such as PMMA, parylene, etc., and the thickness of the flat layer is 10 μm to 50 μm higher than that of the light sources. The flat layer 43 enables the lamp strip to be relatively flat, and improves comfort in 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 lamp strip is smaller, and compared with the single lamp strip, the light-emitting area of the woven lamp strip is larger; because the lamps arranged at all positions of the lamp strip are independent individuals and have consistent luminous brightness, the luminous uniformity of the whole braided lamp strip is better compared with that of a massive whole flexible light source; because the light-emitting brightness of the large and integral flexible light source at the position far away from the bonding area is darker, and the light-emitting brightness of the position close to the bonding area is brighter.

Example 5

The present embodiment differs from embodiment 1 in that: the flexible light source is attached to the surface of a flexible substrate 60, the edge of which is fixed to the support structure 30.

As shown in fig. 5a, a row of connecting ribs 61 is fixed on the bottom surface of the flexible base material 60 in a direction perpendicular to the central axis 10.

Therefore, when the supporting structure is contracted, the folding position of the flexible light source can avoid the situation that the flexible light source is damaged by being completely folded, and particularly for the whole OLED light source, the bending angle is increased by the connecting ribs.

In other embodiments, as shown in fig. 5b, the effect of the expanded folding angle of the connecting rib can also be achieved by providing a greater thickness in the middle of the flexible base material 60 along the length direction.

Example 6

In this embodiment, the sliding sleeve 20 is a long strip, and the supporting structure 30 includes a plurality of supporting pillars 32 rotatably fixed on the side of the sliding sleeve.

At this time, the sliding sleeve 20 is provided with a plurality of circles of supporting pillars 32 along the length direction, as shown in fig. 6c, when the supporting structure is in a contracted state, an included angle between the supporting pillars 32 and the end direction of the central shaft is an acute angle; when the sliding sleeve 20 is pushed to move towards the end of the central shaft (which refers to the end provided with the supporting structure), the included angle between the supporting column 32 and the end of the central shaft is increased, and the sliding sleeve 20 is stopped being pushed until the included angle between the supporting column 32 and the end of the central shaft is 90 degrees, at this time, the supporting structure 30 is unfolded, and the state shown in fig. 6a is achieved, and as shown in fig. 6b, each circle of supporting column 32 is in an unfolded state at this time.

The moving stop position of the sliding sleeve 20 can be realized by arranging a protrusion for limiting the movement of the sliding sleeve on the central shaft, and the side surface of the sliding sleeve can also be provided with a structure for limiting the rotating position of the supporting column 20.

Preferably, the length of each circle of supporting columns 32 can be gradually increased from the two ends of the sliding sleeve to the middle part, so that an oval or circular profile surface is realized.

In other embodiments, as shown in fig. 6d, the number of the sliding sleeves may also be multiple, and multiple sliding sleeves 20 are linked; the side of each sliding sleeve is hinged with a circle of supporting columns 32.

In this embodiment, through designing many rings of support columns 32 for the profile shape of bearing structure is convenient for control, can control the shape that last bearing structure presented through the length design of support bar, in order to adapt to different treatment demands.

Example 7

In the present embodiment as shown in fig. 7a, on the basis of embodiment 6, the end of the central shaft is outside the supporting structure, and the central shaft is provided with a reverse sliding sleeve 61 on the side of the sliding sleeve away from the supporting structure; the reverse sliding sleeve 61 is linked with the sliding sleeve 20;

the side of reverse sliding sleeve 61 all articulates there is the reverse regulation structure, the reverse regulation structure is in form the evagination structure when bearing structure contracts, the maximum width of evagination structure is greater than maximum width when bearing structure contracts.

Wherein, the reverse adjusting structure comprises a reverse supporting bar 62 hinged at the side of the reverse sliding sleeve 61 and a flexible block 63 fixed at the end of the reverse supporting bar 62.

When the optical medical device enters or is taken out of the body, the reverse adjusting structure forms convex structures on two sides of the supporting structure, on one hand, the supporting structure is convenient to take the flexible light source out of the body or enter the body, and in addition, the flexible light source can be prevented from contacting other skin tissues in the entering or exiting process, so that the flexible light source can be protected.

Example 8

As shown in fig. 8a, on the basis of embodiment 1, the end of the central shaft 10 is sleeved with a first reverse sliding sleeve 64 outside the supporting structure; the central shaft 10 is provided with a second reverse sliding sleeve 65 on one side of the sliding sleeve 20 far away from the supporting structure 30;

the side surfaces of the first reverse sliding sleeve 64 and the second reverse sliding sleeve 65 are hinged with reverse adjusting structures, the reverse adjusting structures form convex structures when the supporting structure contracts, and the maximum width of the convex structures is larger than that of the supporting structure when the supporting structure contracts.

Wherein, the reverse adjusting structure comprises a reverse supporting bar 62 hinged at the side of the first reverse sliding sleeve 64 and the second reverse sliding sleeve 65 and a flexible block 63 fixed at the end of the reverse supporting bar.

The sliding control of the first reverse sliding sleeve 64 and the second reverse sliding sleeve 65 can adopt a linkage control mode or an independent control mode:

1. the linkage control is that as shown in fig. 8a to 8c, the first reverse sliding sleeve 64 and the second reverse sliding sleeve 65 are linked with the sliding sleeve 20;

wherein, a connecting sleeve 11 is fixedly sleeved at the position of the central shaft 10 close to the end part; the connecting sleeve 11 is provided with an axially through hole; the first reverse sliding sleeve 64 is in linkage connection with the sliding sleeve 20 through a connecting piece 12 penetrating through the through hole.

Wherein, the second reverse sliding sleeve 65 is directly and fixedly connected with the end face of the sliding sleeve 20 to realize linkage control; when the push cylinder 51 pushes and pulls the second reverse sliding sleeve 65, the sliding sleeve 20 and the first reverse sliding sleeve 64 are pushed and pulled.

In the case of linkage control:

when the supporting structure contracts: the included angle a between the reverse support bar 62 on the first reverse sliding sleeve 64 and the shaft end direction of the central shaft is an acute angle; the included angle b between the reverse supporting strip 62 of the second reverse sliding sleeve 65 and the direction of the central shaft far away from the shaft end is an acute angle;

when the support structure is fully deployed: the included angle between the reverse support bar 62 of the first reverse sliding sleeve 64 and the shaft end direction of the central shaft is about 90 degrees, and the first reverse sliding sleeve is in a locking state; the angle b between the reverse supporting bar 32 of the second reverse sliding sleeve 65 and the central axis far from the axial end is about 90 degrees, and is in a locking state.

2. Independently controlling, as shown in fig. 8d-8e, a connecting sleeve 11 is fixedly sleeved on the central shaft 10 near the end; the connecting sleeve 11 is provided with an axially through hole; the connecting piece 12 extends along the central shaft to form a first control end 66 at the exposed end; the expansion and contraction of the reverse supporting bars 62 on the first reverse sliding sleeve 64 can be controlled by pushing and pulling the first control end;

the second reverse sliding sleeve 65 is sleeved outside the connecting end of the push cylinder 51 and the sliding sleeve 20, and the second reverse sliding sleeve 65 extends along with the push cylinder to form a second control end 67 at the exposed end;

the expansion and contraction of the reverse adjustment structure on the first reverse sliding sleeve 64 is realized by pushing and pulling the first control end 66; the deployment and retraction of the reverse adjustment mechanism on the second reverse sliding sleeve 65 can be accomplished by pushing or pulling the second control end 67.

The independent control mode can bring more convenience to the use, for example, the first reverse sliding sleeve 64 can only form a convex structure when entering the body; only the second reverse sliding sleeve 65 is allowed to form a convex structure when taken out of the body.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An photomedical device, comprising:

a central shaft is arranged at the center of the rotary shaft,

the sliding sleeve is sleeved outside the central shaft in a sliding manner;

2. The photomedical device of claim 1, wherein the support structure is a telescoping grid-spherical shape, the end of the central shaft penetrating into and fixedly attached to the support structure; or the supporting structure is composed of a plurality of telescopic supporting strips distributed circumferentially around the central shaft, one end of each telescopic supporting strip is fixed at the end part of the central shaft, and the other end of each telescopic supporting strip is fixed on the sliding sleeve.

3. The photomedical device of claim 1, wherein the outer peripheral surface of the sliding sleeve is rotatably provided with a plurality of support posts along the length direction thereof, the plurality of support posts forming the support structure; the number of the sliding sleeves is multiple and the sliding sleeves are arranged in a linkage manner and correspond to the number of the supporting columns; the support column is rotationally fixed on the outer surface of the corresponding sliding sleeve.

4. The photomedical device of claim 2, wherein the support structure has a planar layer overlying the flexible light source, the planar layer being made of an organic material and having a height of 10-50 μm above the flexible light source.

5. The photomedical device of any one of claims 1-4, wherein the flexible light source is secured to the support structure by:

the flexible light source comprises at least one of an OLED light source, an LED light source, a quantum point 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.

6. The photomedical device of claim 5, wherein the bottom surface of the flexible substrate has a tie bar secured thereto in a direction perpendicular to the central axis.

7. The photomedical device of any one of claims 1-2,

a first reverse sliding sleeve is sleeved at the end part of the central shaft outside the supporting structure; a second reverse sliding sleeve is arranged on one side, far away from the supporting structure, of the sliding sleeve of the central shaft;

8. The photomedical device of claim 7, wherein the first and second reverse slips are coupled or independently coupled to the slips; a connecting sleeve is fixedly sleeved at the position of the central shaft close to the end part; the connecting sleeve is provided with an axially through hole; the first reverse sliding sleeve is connected with the sliding sleeve through a connecting piece penetrating through the through hole; the reverse adjusting structure comprises a reverse supporting bar hinged to the side faces of the first reverse sliding sleeve and the second reverse sliding sleeve and a flexible block fixed to the end portion of the reverse supporting bar.

9. The photomedical device of claim 3, wherein the end of the central shaft is external to the support structure and the central shaft is provided with a reverse sliding sleeve on a side of the sliding sleeve distal from the support structure; the reverse sliding sleeve is connected with the sliding sleeve in a linkage manner or independently; the side of reverse sliding sleeve all articulates there is the reverse regulation structure, the reverse regulation structure is in support structure forms evagination structure when contracting, the maximum width of evagination structure is greater than maximum width when support structure contracts.

10. The photomedical device of claim 9, wherein the reverse adjustment structure comprises a reverse support bar hinged to the side of the reverse sliding sleeve and a flexible block secured to the end of the reverse support bar.