CN113730825A

CN113730825A - Optical medical device

Info

Publication number: CN113730825A
Application number: CN202111049756.1A
Authority: CN
Inventors: 崔英杰; 朱映光; 张国辉; 康建喜; 郭立雪; 胡永岚; 谢静; 李栋栋
Original assignee: Beijing Yiguang Medical Technology Research Institute Co ltd
Current assignee: Beijing Yiguang Medical Technology Research Institute Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-12-03
Anticipated expiration: 2041-09-08
Also published as: CN113730825B

Abstract

The application discloses a specific structure of a photomedical device, wherein the photomedical device is provided with a functional module on a substrate, the functional module comprises an electro-deformation unit, an isolation layer and a light-emitting unit arranged on the isolation layer, the electro-deformation unit is provided with an electro-deformation layer and a first electrode layer and a second electrode layer which are used for driving the electro-deformation layer, when the electro-deformation layer is not electrified, the electro-deformation layer does not deform, the appearance of the phototherapy device is kept unchanged, and the phototherapy device is convenient to place in a patient; when the phototherapy device was put into the patient internally, first electrode and second electrode circular telegram made the electricity generate the deformation layer start, and the deformation takes place for the electricity generate the deformation layer, drives the isolation layer on and the luminescence unit on to remove to one side of keeping away from the substrate on the radial direction of substrate, can make luminescence unit and the internal affected part interval of patient reduce, guarantees the effect of phototherapy.

Description

Optical medical device

Technical Field

The application relates to the technical field of optical medical treatment, and particularly discloses an optical medical treatment device.

Background

Phototherapy is a physical therapy method for treating diseases by using the radiant energy of light. The light source that uses among the present phototherapy process has radium-shine, fluorescent lamp, but this type of light source device is not portable or dress to radium-shine power is too strong, can harm normal tissue, and fluorescent lamp contains heavy metal such as lead, mercury, has certain potential safety hazard to internal treatment, and radium-shine light source and fluorescent light source's luminous homogeneity is relatively poor in addition, is unfavorable for the great affected part treatment of area. For current Light Emitting Diode (LED) light sources or Organic Light Emitting Diode (OLED) light sources. When the existing phototherapy equipment is used for treatment, the phototherapy effect is poor, and improvement is urgently needed.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, the present application is directed to providing a phototherapeutic device that effectively improves the effectiveness of phototherapy compared to the prior art.

A photomedical device, comprising: a substrate and at least one functional module formed on the substrate; the functional module includes: at least one electrostrictive element formed on the substrate; the isolating layer is formed on one side, relatively far away from the base material, of the electrostrictive element; and at least one light emitting cell disposed on the isolation layer; the electro-deformation unit includes: a first electrode layer, an electro-deformable layer and a second electrode layer formed on the substrate in this order.

According to the technical scheme provided by the embodiment of the application, two adjacent light-emitting units are connected through a stretchable lead, the stretchable lead is made of a high polymer micro-tube, and an elastic conductor formed by liquid metal is filled in the micro-tube or a curve-shaped conductor made of Ag, Al, Au, Cu, a carbon nano-tube or graphene.

According to the technical scheme provided by the embodiment of the application, the insulating layer is formed on the base material, and the electrostrictive unit is formed on the insulating layer.

According to the technical scheme provided by the embodiment of the application, each light-emitting unit is coated with a scattering coating, and/or the functional module is coated with a skin-friendly material layer.

According to the technical scheme provided by the embodiment of the application, one end of the base material is provided with a functional module; or the functional module is arranged around the side wall of the base material along the circumferential direction of the side wall of the base material; or the functional modules are continuously distributed along the circumferential direction of the substrate side wall and distributed in local areas on the substrate side wall; or the functional modules are distributed at intervals along the circumferential direction of the side wall of the base material; or the functional modules are spirally distributed along the circumferential direction of the side wall of the base material.

According to the technical scheme provided by the embodiment of the application, a plurality of mutually separated functional modules are formed on the base material and distributed along the axial direction of the base material.

According to the technical scheme provided by the embodiment of the application, the mutually separated functional modules can emit light rays with different intensities and different colors.

According to the technical scheme provided by the embodiment of the application, the substrate is provided with an inner cavity allowing the circuit to penetrate through.

According to the technical scheme provided by the embodiment of the application, the light-emitting unit is an OLED unit and/or an LED lamp bead.

According to the technical scheme provided by the embodiment of the application, the deformation amount of the electro-deformation layer meets the constraint of the following formula: e ═ S^ET + d E wherein: wherein S^EThe elastic compliance coefficient when the electric field intensity (E) is constant, T is stress, d is a piezoelectric strain constant, and E is the electric field intensity; preferably, the electric field strength E is in the range of 0.1-20V.

According to the technical scheme provided by the embodiment of the application, at least one axial groove extending along the axis of the base material is formed in the side wall of the base material, and an axial plate capable of moving back and forth along the axial groove is matched and connected in the axial groove; a soft substrate is connected between the axial plate and one end of the axial groove on the same side, and a functional module is formed on the soft substrate; when the free end of the axial plate is driven to move along the axial groove to the side far away from the side applying the driving force, the soft substrate is deformed.

In summary, the present application discloses a specific structure of a photomedical device. The photomedical device provided by the embodiment is characterized in that a functional module is designed on a base material, the functional module comprises an electrostrictive unit, an isolation layer and a light-emitting unit arranged on the isolation layer, the electrostrictive unit is provided with an electrostrictive layer, a first electrode layer and a second electrode layer, the first electrode layer and the second electrode layer are used for driving the electrostrictive layer, and when the electrostrictive layer is not electrified, the electrostrictive layer does not deform, so that the appearance of the phototherapy device is kept unchanged, and the phototherapy device is convenient to place in a patient; when the phototherapy device was put into the patient internally, first electrode and second electrode circular telegram made the electricity generate the deformation layer start, and the deformation takes place for the electricity generate the deformation layer, drives the isolation layer on and the luminescence unit on to remove to one side of keeping away from the substrate on the radial direction of substrate, can make luminescence unit and the internal affected part interval of patient reduce, guarantees the effect of phototherapy.

Furthermore, the electro-deformation layer deforms, and when the isolation layer is provided with more than two light-emitting units, the two adjacent light-emitting units are driven to be away from each other, so that the actual action range of the phototherapy can be enlarged by the light-emitting units on the isolation layer, and the uniformity of the phototherapy can be improved.

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. 1 is a schematic cross-sectional view of a phototherapy apparatus;

in FIG. 2a, the functional modules of the phototherapy apparatus are distributed (not deformed) around the whole circumferential region of the sidewall of the substrate;

in fig. 2b1, the functional modules of the phototherapy device are distributed (undeformed) around a local area of the substrate;

FIG. 2b2 is a schematic structural view (not deformed) of the left side view of the phototherapy apparatus in FIG. 2b 1;

in FIG. 2c, the functional modules of the phototherapy device are circumferentially spaced around the sidewall of the substrate (not deformed);

FIG. 2d shows the functional modules of the phototherapy apparatus in FIG. 2a distributed (deformed) around the whole area of the substrate;

FIG. 2e shows the functional module of the phototherapy device of FIG. 2b1 surrounding a local area of the substrate (deformation);

FIG. 2f is a schematic structural view (deformation) of the left side view of the phototherapy apparatus in FIG. 2 c;

FIG. 2g shows the functional modules of the phototherapy apparatus spirally distributed (undeformed) around the sidewall of the substrate;

FIG. 3a is a side view of the insulating layer of FIG. 2a on the sidewall of the substrate;

FIG. 3b illustrates in a side view the arrangement of the corresponding insulating layers of FIG. 2b1 on the substrate side wall;

FIG. 3c illustrates, in a side view, the arrangement of the corresponding insulating layers of FIG. 2c on the substrate side walls;

FIG. 3d is a front view of the insulating layer corresponding to FIG. 2g on the sidewall of the substrate;

the unpowered state in the phototherapy device shown in fig. 4;

fig. 5a shows a schematic cross-sectional view of a phototherapy apparatus (without deformation);

fig. 5b shows a schematic cross-sectional view (modification) of the phototherapy apparatus;

FIG. 6a shows a preferred embodiment of a substrate in a phototherapy device (initial state);

FIG. 6b shows a preferred embodiment of a substrate in a phototherapy device (in use);

fig. 7 is a schematic cross-sectional view of a phototherapy apparatus.

In the figure: 10. a functional module; 10a, a first functional module; 10b, a second functional module; 10c, a third functional module; 11. an electro-deformation unit; 111. a first electrode layer; 112. an electro-deformable layer; 113. a second electrode layer; 12. an isolation layer; 13. a light emitting unit; 14. an insulating layer; 15. a layer of skin-friendly material; 20. a substrate; 21. an axial slot; 22. an axial plate; 23. a flexible substrate.

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.

The present embodiment specifically shows a specific structure of the photomedical device.

Referring to fig. 1, the photomedical device includes:

a substrate 20 and at least one functional module 10 formed on the substrate;

the functional module 10 includes:

at least one electrostrictive element 11 formed on the substrate;

the isolating layer 12 is formed on the side, far away from the base material, of the electrostrictive element 11;

and at least one light emitting cell 13 disposed on the isolation layer;

the electro-deformation unit 11 includes: a first electrode layer 111, an electro-deformable layer 112 and a second electrode layer 113 formed in this order on a substrate.

Wherein the content of the first and second substances,

the base material 20, which is a supporting member of the phototherapy device in the present embodiment, is used for installing the functional module 10 thereon, and optionally, the base material is: polypropylene (PP), thermoplastic elastomers (e.g., TPE, TPR), or silicone. Optionally, the structure of the substrate 20 is a columnar structure, and the shape of the cross section thereof is not limited herein, and is preferably a columnar structure or a sheet-like structure. Optionally, the substrate has a lumen for allowing the wire to pass through, so as to guide the power supply wire to pass through, and optionally, the lumen may be a structure extending along the axial direction and passing through two ends of the substrate; or may be a structure that does not extend in the axial direction thereof but still realizes a guide line, such as: so that one end of the circuit is exposed on the sidewall of the substrate and the other end thereof penetrates through the other end of the substrate. Alternatively, the substrate may be a cellulose hose, which is capable of performing both of the above functions.

Wherein, functional module 10 is formed on the substrate lateral wall, can obtain the different implementation structures of phototherapy device, specifically as follows:

such as: the functional modules 10 are arranged around the substrate 20 side wall in the circumferential direction of the substrate side wall, as shown in fig. 2 a. Under this design, phototherapy device is whole to be the column structure, can carry out phototherapy effectively to the internal annular wound of patient when it gets into the patient.

Such as: the functional modules 10 are distributed continuously along the circumferential direction of the side wall of the substrate 20 and they are distributed in the local areas on the side wall of the substrate, as shown in fig. 2b1 and fig. 2b 2. Preferably, in practical applications, the coverage area of the functional module 10 can be designed according to practical specification dimensions. Can be applied to local affected parts in the body of a patient.

For another example: the functional modules 10 are spaced along the circumferential direction of the sidewall of the substrate 20, as shown in fig. 2 c. In this embodiment, the functional modules 10 are distributed in a circular array on the sidewall of the substrate, and can be applied to a plurality of discrete affected parts in the patient.

For another example: the functional modules 10 are spirally distributed along the circumferential direction of the side wall of the base material 20. As shown in fig. 2 g. In this embodiment, the functional modules 10 are spirally distributed on the sidewall of the substrate, and can be applied to the affected parts with similar distribution in the body of the patient.

The functional module 10 includes:

at least one electrostrictive element 11 formed on the wall of the substrate side 10;

and at least one light emitting cell 13 disposed on the isolation layer.

Wherein:

the electro-deformation unit 11 includes: a first electrode 111, an electro-deformable layer 112, and a second electrode layer 113 formed in this order on the insulating layer;

wherein the first electrode 111 and the second electrode 113 are used for electro-deformationLayer 112 supplies current. When the electrorheological layer is not electrified, the electrorheological layer does not deform, so that the shape of the phototherapy device is kept unchanged, and the phototherapy device is conveniently placed in a patient body or applied with external treatment; when the phototherapy device was put into the patient internally, first electrode and second electrode circular telegram made the electricity generate the deformation layer start, and the deformation takes place for the electricity generate the deformation layer, drives the isolation layer on and the luminescence unit on to remove to one side of keeping away from the substrate on the radial direction of substrate, can make luminescence unit and the internal affected part interval of patient reduce, guarantees the effect of phototherapy. Optionally, the material of the electrostrictive layer is: at least one of acrylic resin material, carbon nanotube or PVDF. Specifically, the amount of deformation of the electro-deformable layer complies with the constraint of the following formula: e ═ S^ET + d E wherein: wherein S^EThe elastic compliance coefficient when the electric field intensity (E) is constant, T is stress, d is a piezoelectric strain constant, and E is the electric field intensity; preferably, the electric field strength E is in the range of 0.1-20V.

In fig. 2a, the functional modules of the phototherapy device are distributed (undeformed) around the entire circumferential area of the sidewall of the substrate.

Fig. 2d shows the functional modules of the phototherapy device of fig. 2a distributed (deformed) around the whole area of the substrate.

In fig. 2b1, the functional modules of the phototherapy device are distributed (undeformed) around a local area of the substrate.

Fig. 2e shows the functional module of the phototherapy device of fig. 2b1 surrounding a local area of the substrate (deformation).

In fig. 2c, the functional modules of the phototherapy device are circumferentially spaced around the sidewall of the substrate (not deformed).

Fig. 2f shows a schematic structural view (deformation) of the left side view of the phototherapy apparatus in fig. 2 c.

The isolation layer 12 is used for isolating and protecting the electrostrictive element, so that the electrostrictive element is prevented from being damaged, and the light-emitting element is embedded on the electrostrictive element. Optionally, the isolation layer has elasticity, and maintains an original shape in a non-energized starting state of the electro-deformation unit; when the electrostrictive cell is activated, the electrostrictive cell expands to cause the isolation layer to change its shape, as shown in fig. 2d, 2e, and 2 f. And then the light-emitting unit embedded on the base material is driven to move away from the base material. Specifically, the isolation layer may be made of: insulating materials, such as: latex, polyurethane, and the like.

In a preferred embodiment, the light emitting unit 13 is an OLED and/or LED lamp bead. When deformation takes place for the electrorheological layer, drive the isolation layer on and OLED and/or LED lamp pearl on it on the radial direction of substrate and remove to the one side of keeping away from the substrate, can make luminous unit and the internal affected part interval of patient reduce, guarantee the effect of phototherapy.

Furthermore, the electro-deformable layer 112 deforms, and the two adjacent light-emitting units 13 are driven to be away from each other in the axial direction of the substrate 20, so that the light-emitting units 13 on the electro-deformable layer can expand the actual action range of the phototherapy and improve the uniformity of the phototherapy. Optionally, the power supply lines for the OLED and/or LED beads may extend through the sidewall of the substrate and along the interior cavity of the substrate.

In a preferred embodiment, each of the light emitting cells 13 is coated with a scattering coating. The design of scattering coating can make OLED unit and/or the light that LED lamp pearl emitted act on patient's affected part more evenly, realizes better treatment.

Optionally, two adjacent light emitting units are connected by a stretchable wire. The stretchable lead is made of a high polymer micro-tube, and an elastic conductor formed by liquid metal or a curve-shaped conductor made of Ag, Al, Au, Cu, a carbon nano-tube or graphene is filled in the micro-tube.

Before the deformation of the single isolation layer, the distance d between two adjacent light emitting units is 0.3-6mm, for example, 0.6 mm.

After deformation, the distance between two adjacent light-emitting units can be 1-3 times of d.

In a preferred embodiment, an insulating layer 14 is formed on the substrate 20, and an electrostrictive element is formed on the insulating layer.

Wherein, be formed with the insulating layer on the lateral wall of substrate, the design of insulating layer has realized the electrical isolation between substrate and the electrodeformation unit, strengthens the reliability in the phototherapy device use in this embodiment. The distribution of the insulating layer on the side wall of the substrate is not limited, and the insulating layer has various implementable forms corresponding to the arrangement of the electrostrictive unit:

such as: the insulating layer is disposed around the substrate sidewall in a circumferential direction of the substrate sidewall, as shown in fig. 3 a. In this embodiment, the insulating layer is annularly disposed on the sidewall of the substrate.

For another example: the insulating layer is continuously distributed along the circumferential direction of the substrate sidewall and distributed in a local area on the substrate sidewall, as shown in fig. 3 b. In this embodiment, the insulating layer is disposed on the sidewall of the substrate in a fan shape.

For another example: the insulating layers are distributed at intervals along the circumferential direction of the substrate side wall, as shown in fig. 3 c. In this embodiment, the insulating layers are disposed in a circular array on the sidewall of the substrate. Can be applied to a plurality of discrete affected parts in the body of a patient.

For another example: the insulating layers are spirally distributed along the circumferential direction of the side wall of the base material. As shown in fig. 3 d. In this embodiment, the electrostrictive elements are spirally disposed on the sidewall of the substrate, and can be applied to affected parts that are similarly disposed in the body of a patient.

In a preferred embodiment, the functional module is externally coated with a layer 15 of skin-friendly material.

The design of close skin material layer can reduce the foreign body sensation after phototherapy device gets into the human body, and the patient that the reinforcing was in the use experiences. Meanwhile, the light medical treatment device can realize the treatment of external non-traumatic skin parts and can also realize the treatment of external traumatic parts and internal diseases. The skin-friendly material can be prepared from the following materials: latex, silica gel, Polydimethylsiloxane (PDMS), silica gel, Collagen (Collagen), silicone Hydrogel (Hydrogel), Hydrogel (hydrocolloids), Polyurethane (Polyurethane, PU), Polymethylmethacrylate (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.

Further, the skin-friendly material layer can contain drugs and/or photosensitizers;

the medicinal layer may also contain antibiotic, analgesic, antipyretic, antimicrobial, antibacterial, antiallergic, acne medicine, antiinflammatory, hemostatic, vitamin, anti-irritant, antipruritic, emollient, photosensitizer, etc., preferably photosensitizer.

The form of the medicine can be paste, cream, gel, powder, liquid, film, or patch.

Also for the photosensitive particles we can use the following materials to make up the photosensitizer with the skin-friendly materials mentioned above, for example: a plurality of condensed ring azo and diazo compounds, aminolevulinic acid, indocyanine green, methylene blue, hypocrellin A and derivatives thereof, hypocrellin B and derivatives thereof, melittin, gold-carbon nanospheres, carbon nanotubes, phosphines, fullerenes, chlorins, bacteriochlorins and modified compositions thereof, pyrroles and modified compositions thereof, porphyrins and modified compositions thereof, phthalocyanines and modified compositions thereof, chlorine e6, monochloro, chlorine or benzotetrahydroxyphenyl chloride.

Through the matching of the skin-friendly material, the medicine and the photosensitizer, the treatment effect can be effectively improved and the treatment course can be shortened aiming at different lesion areas.

In a preferred embodiment, the substrate is formed with a plurality of mutually spaced functional modules 10 distributed along the axial direction of the substrate.

In this embodiment, there may be a plurality of functional modules 10, and each functional module 10 can be controlled individually.

As shown in fig. 4, the functional modules 10 in fig. 4 are arranged around the substrate, and the functional modules 10 are distributed along the axial direction of the substrate. Specifically a first functional module 10a, a second functional module 10b and a third functional module 10c as shown. Under the actual application scene, the functional module 10 that puts into operation can be adjusted according to the regional regulation of the internal affected part of patient, also can adjust the illumination intensity of different functional modules 10 for the use of phototherapy device more can adapt to actual scene in this embodiment.

The light emitting unit between the first functional module 10a and the second functional module 10b in fig. 4 may be connected by a stretchable wire; accordingly, the light emitting unit between the second functional module 10b and the third functional module 10c in fig. 4 may be connected by a stretchable wire.

Preferably, a gap is formed between two mutually separated functional modules to reserve enough space for two adjacent functional modules to deform in an electrifying manner.

In a preferred embodiment, the mutually separated functional modules 10 are capable of emitting light of different intensities and different colors. In particular, description of the phototherapy effect of different colors of light:

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, regulates the blood vessel expansion and improves 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.

The method for regulating and controlling the illumination intensity of the OLED light source comprises the following steps:

input current or voltage are adjusted through the control module to realize the phototherapy of different intensity, be adapted to the disease district of different severity.

Preferably in another embodiment, in which the functional modules are locally distributed on the substrate as in the embodiment shown in the above-mentioned fig. 2b1, 2b2, the electrostrictive element 11 may be preferably designed to include: a first electrode 111, a first electro-deformable layer 112a, a second electro-deformable layer 112b, and a second electrode layer 113 formed in this order on the insulating layer.

Wherein:

a first electrode 111 and a second electrode 113 for supplying current to the first and second electro-

deformable layers

112a and 112 b.

When the electrorheological layer is not electrified, the electrorheological layer does not deform, the shape of the phototherapy device is kept unchanged, and the phototherapy device is convenient to place in a patient body or apply external treatment.

When the phototherapy device is placed in a patient or treated outside the patient, the first and second electrodes are energized such that the first and second electro-

deformable layers

112a, 112b are activated and the first and second electro-

deformable layers

112a, 112b begin to deform.

In an application scenario, it is preferable that the first electro-deformable layer 112a and the second electro-deformable layer 112b are made of the same material, that is, the two layers are stacked, so that the expansion effect of the phototherapy device in this embodiment is better.

In another application scenario, the first electro-deformable layer 112a and the second electro-deformable layer 112b may be made of different materials, such as:

the first electro-deformable layer 112a is characterized by electrical shrinkage, and may be made of: a carbon nanotube; the second electro-deformable layer 112b is characterized by being expanded when energized, and may be made of: PVDF. After circular telegram inflation, considering first electro morphism layer and second electro morphism layer characteristic difference, the effect that finally forms can refer to fig. 5a and fig. 5b and shows, also the electro morphism unit 11 has formed the bending effect, drives to be formed at isolation layer 12, luminescence unit 13 and to the one side bending that is close to the affected part, can make luminescence unit and the internal affected part interval of patient reduce, guarantees the effect of phototherapy.

Wherein: FIG. 5a is a state of no deformation; fig. 5b shows the deformed state, which is a flexible substrate, and can transmit the follow-up deformation.

In the embodiment shown in fig. 2c, the functional modules are distributed at intervals in the circumferential direction of the substrate, and the electrostrictive element 11 in any one of the functional modules, any two adjacent functional modules, or any three adjacent functional modules includes: the first electrode 111, the first electro-deformable layer 112a, the second electro-deformable layer 112b, and the second electrode layer 113, which are sequentially formed on the insulating layer, can also generate the deformation effect shown in fig. 5 b.

In addition, when the substrate is a sheet-like structure and one side of the substrate is provided with a functional module, the electrostrictive element 11 may be configured to include: the first electrode 111, the first electro-deformable layer 112a, the second electro-deformable layer 112b, and the second electrode layer 113, which are sequentially formed on the insulating layer, can also generate the deformation effect shown in fig. 5 b.

Please refer to fig. 6a and 6b for another preferred embodiment of the phototherapy device.

The side wall of the base material 20 is provided with at least one axial groove 21 extending along the axis of the base material, the axial groove 21 is internally matched with an axial plate 22 capable of reciprocating along the axial groove, a soft substrate 23 (such as a silica gel material) is connected between the axial plate 22 and one end of the axial groove 21 positioned on the same side, the soft substrate 23 is formed with a functional module 10, and when the free end of the axial plate 22 is driven to move along the axial groove 21 to the side far away from the side where the driving force is applied, the soft substrate 23 deforms, such as a bulge shape.

In the specific structure of the phototherapy device shown in fig. 6a, the axial plate is in the initial state, and the soft substrate is in the initial state, that is: and keeping the flatness. When the phototherapy apparatus is used in this state: if the electrorheological layer is not electrified, the electrorheological layer does not deform, so that the shape of the phototherapy device is kept unchanged, and the phototherapy device is convenient to place in a patient body; when the phototherapy device was put into the patient internally, first electrode and second electrode circular telegram made the electricity generate the deformation layer start, and the deformation takes place for the electricity generate the deformation layer, drives the isolation layer on and the luminescence unit on to remove to one side of keeping away from the substrate on the radial direction of substrate, can make luminescence unit and the internal affected part interval of patient reduce, guarantees the effect of phototherapy. Furthermore, the deformation takes place for the electrodeformation layer, if possess more than two luminescence units on the isolation layer, drive and keep away from each other between the two adjacent luminescence units, can make the actual effect scope that the luminescence unit on it can enlarge the phototherapy, also can improve the even degree of phototherapy.

In the specific structure of the phototherapy device shown in fig. 6b, when the first electrode and the second electrode are energized to activate the electro-deformable layer and the electro-deformable layer is deformed, the flexible substrate 23 is deformed, such as to be raised, when the free end of the axial plate 22 is driven to move along the axial slot 21 to a side away from the side to which the driving force is applied. Compared with any of the above embodiments, the soft substrate is designed such that the functional module can be brought closer to the affected part in the vicinity of the circumferential direction of the base material by the bulge-like structure; on the other hand, when the soft substrate is pushed to be gathered to the side to which the driving force is applied, the functional module can be brought closer to the affected part near the distal end of the base material.

The soft substrate and the axial plate can be integrally formed, so that hardness values are distinguished from each other, the hardness of the soft substrate is smaller than that of the axial plate, and the soft substrate has the characteristic of flexible deformation.

To ensure that the units on the functional module are reliably powered during the movement of the drive shaft plate, stretchable leads may be used to power the units on the functional module.

It should be noted that fig. 6a and 6b are only schematic diagrams, and the length direction and proportional relationship between the axial plate and the soft substrate are not limited by the drawings.

Please refer to another preferred embodiment of the phototherapy device shown in fig. 7.

In any of the above embodiments, a functional module may be provided at one end of the base material.

The specific implementation structure of the functional module in any of the above embodiments can be applied to this embodiment.

Different from each embodiment, locate the functional module of substrate tip, can carry out the phototherapy to the affected part that is located substrate tip one side, and after the functional module circular telegram who locates the substrate tip warp, drive the isolation layer on and the luminescence unit on it and move to one side of keeping away from the substrate on the axial direction of substrate, can make the luminescence unit and the internal affected part interval of patient reduce, guarantee the effect of phototherapy. Furthermore, the deformation takes place for the electrodeformation layer, if possess the luminescence unit more than two on the isolation layer, drive and keep away from each other between the two adjacent luminescence units, can make the luminescence unit on it can enlarge the actual effect scope of phototherapy, also can improve the even degree of local phototherapy.

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 substrate and at least one functional module formed on the substrate;

the functional module includes:

at least one electrostrictive element formed on the substrate;

the isolating layer is formed on one side, relatively far away from the base material, of the electrostrictive element;

and at least one light emitting cell disposed on the isolation layer;

the electro-deformation unit includes: a first electrode layer, an electro-deformable layer and a second electrode layer formed on the substrate in this order.

2. A photomedical device according to claim 1, wherein:

the two adjacent light-emitting units are connected through a stretchable lead, the stretchable lead is made of a high-molecular polymer micro-tube, and an elastic conductor formed by liquid metal or a curve-shaped conductor made of Ag, Al, Au, Cu, a carbon nano-tube or graphene is filled in the micro-tube.

3. A photomedical device according to claim 1, wherein:

an insulating layer is formed on the substrate, and an electro-deformation unit is formed on the insulating layer.

4. A photomedical device according to claim 1, wherein:

and a scattering coating is coated on each light-emitting unit, and/or a skin-friendly material layer is coated outside the functional module.

5. A photomedical device according to any one of claims 1 to 4, wherein:

one end of the substrate is provided with a functional module.

Or the functional module is arranged around the side wall of the base material along the circumferential direction of the side wall of the base material;

or the functional modules are continuously distributed along the circumferential direction of the substrate side wall and distributed in local areas on the substrate side wall;

or the functional modules are distributed at intervals along the circumferential direction of the side wall of the base material;

or the functional modules are spirally distributed along the circumferential direction of the side wall of the base material.

6. A photomedical device according to any one of claims 1 to 4, wherein:

the substrate is provided with a plurality of mutually separated functional modules distributed along the axial direction of the substrate.

7. The photomedical device of claim 6, wherein:

the mutually separated functional modules can emit light rays with different intensities and different colors.

8. A photomedical device according to any one of claims 1 to 4, wherein: the substrate has an inner cavity allowing the wire to pass through; and/or the light-emitting unit is an OLED unit and/or an LED lamp bead.

9. A photomedical device according to any one of claims 1 to 4, wherein: the amount of deformation of the electro-deformable layer complies with the constraints of the following formula:

e＝S^E*T+d*E

wherein: wherein S^EThe elastic compliance coefficient when the electric field intensity (E) is constant, T is stress, d is a piezoelectric strain constant, and E is the electric field intensity;

preferably, the electric field strength E is in the range of 0.1-20V.

10. A photomedical device according to any one of claims 1 to 4, wherein:

the side wall of the base material is provided with at least one axial groove extending along the axis of the base material, and an axial plate capable of reciprocating along the axial groove is matched and connected in the axial groove;

a soft substrate is connected between the axial plate and one end of the axial groove on the same side, and a functional module is formed on the soft substrate;

when the free end of the axial plate is driven to move along the axial groove to the side far away from the side applying the driving force, the soft substrate is deformed.