CN108042925B - Phototherapy device flexible connector and phototherapy device - Google Patents

Phototherapy device flexible connector and phototherapy device Download PDF

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Publication number
CN108042925B
CN108042925B CN201711482394.9A CN201711482394A CN108042925B CN 108042925 B CN108042925 B CN 108042925B CN 201711482394 A CN201711482394 A CN 201711482394A CN 108042925 B CN108042925 B CN 108042925B
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China
Prior art keywords
flexible
insulating body
irradiation module
irradiation
flexible connector
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CN201711482394.9A
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Chinese (zh)
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CN108042925A (en
Inventor
刘衍志
朱圣晓
孙东辉
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Shenzhen Xinjunte Smart Medical Equipment Co ltd
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Shenzhen Xinjunte Smart Medical Equipment Co ltd
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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
    • 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
    • A61N2005/0633—Arrangements for lifting or hinging the frame which supports the light sources
    • 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
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • 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
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
    • A61N2005/0645—Applicators worn by the patient
    • 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
    • A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
    • 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
    • A61N2005/0661—Radiation therapy using light characterised by the wavelength of light used ultraviolet
    • 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

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

The invention relates to a phototherapy device flexible connector and a phototherapy device. The flexible connector comprises a circuit board and an insulating body; the circuit board is an FPC, and the insulating body is a flexible insulating body; the FPC is embedded into the flexible insulating body to form a flexible connector with an integrated structure; the terminal formation electric connection piece in FPC both sides stretches out from flexible insulator's both sides, and is connected with the circuit board of the two adjacent irradiation module in a plurality of irradiation modules of phototherapy device electricity respectively. The flexible connector is connected to the side surface of the irradiation module and is positioned between the two irradiation modules to form a flexible laminating type phototherapy device which can be correspondingly expanded according to different phototherapy areas and/or shapes and/or doses required by treatment.

Description

Phototherapy device flexible connector and phototherapy device
Technical Field
The invention relates to a medical apparatus, in particular to a flexible connector of a phototherapy device and the phototherapy device.
Background
Phototherapy is a method for preventing and treating diseases by using an artificial light source or a natural light source, is one of the common methods of physical therapy, and light energy causes a series of physicochemical reactions, and for human bodies, ultraviolet rays are commonly used for treating skin suppurative inflammation and other dermatitis, pain syndrome, rickets or osteomalacia; the infrared rays can improve circulation locally, absorb edema, relieve pain, repair tissues, and are commonly used for treating soft tissue injury and strain, arthritis and surgical recovery; the red light, blue light and green light in visible light can be used for treating skin tendering, inflammation diminishing, rash, acne and the like; blue-green light irradiation is a major method for treating neonatal jaundice in hospitals.
The traditional phototherapy device generally adopts an external lamp (infrared and ultraviolet lamps, neonatal blue light box) mode, takes a halogen lamp or a high-power LED as a light source, and sets irradiance by adjusting the distance between the light source and an affected part, so that the irradiation area and the irradiation energy are difficult to adjust as required, the irradiation is uneven, the side effect is more, and the treatment effect is poor; in recent years, some phototherapy devices capable of being attached to affected parts have appeared at home and abroad, and there are infrared LED phototherapy sheets (infrared diabetes pain relieving device in the times of zhengzhou ruiyu and beijing blue), red and blue light therapeutic devices (wuhan guangfu living things), blanket type jaundice blue light therapeutic devices (beijing julong three-excellent), optical fiber braiding Lan Guangtan (GE, philips), and these devices have advantages and disadvantages, and the main disadvantages are: the device has complex structure, single treatment form, fixed treatment area, large influence of using conditions on radiation quantity, complex process of partial products and high price.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the flexible connector of the phototherapy device solves the problem that an irradiation module of the existing treatment device cannot be expanded according to needs.
The invention further solves the technical problems that: the phototherapy device solves the problems of non-uniform irradiation, uncontrollable treatment form, single treatment form and fixed and unchangeable treatment surface of the existing phototherapy device.
In order to solve the technical problems, the invention adopts the following technical scheme:
A flexible connector of phototherapy device is provided, which comprises a circuit board and an insulating body; the circuit board is an FPC, and the insulating body is a flexible insulating body; the FPC is embedded into the flexible insulating body to form a flexible connector with an integrated structure; the terminal formation electric connection piece in FPC both sides stretches out from flexible insulator's both sides, and is connected with the circuit board of the two adjacent irradiation module in a plurality of irradiation modules of phototherapy device electricity respectively.
The flexible connector can bend towards the front and the back by virtue of self flexibility and elasticity; the bending of the front surface of the flexible connector facing the same side as the illumination surface is larger than the bending of the back surface; the whole shape of the flexible connector is adapted to the shape of the irradiation module, and the flexible connector is connected to the side surface of the irradiation module and is positioned between the two irradiation modules to form a flexible laminating type phototherapy device which can be correspondingly expanded according to different phototherapy areas and/or shapes and/or doses required by treatment.
The electric connecting sheet is fixed on the circuit board of the irradiation module through clamping, riveting or welding; the electric connection sheet is provided with an electric connection point which is electrically connected with the electric connection point of the circuit board of the irradiation module; the irradiation module connected with the flexible connector is an LED matrix irradiation module, and the circuit board of the irradiation module is an LED matrix circuit board.
The connecting ends at two sides of the flexible insulating body are provided with sealing flanges; the flexible insulating body is further provided with a mounting groove at the connecting end; the mounting groove is positioned outside the sealing flange; the connecting ends at two sides of the flexible insulating body pass through flat holes on the side wall of the shell of the irradiation module and are clamped in the shell of the irradiation module, the sealing flanges are abutted against and seal the flat holes, and the upper edge and the lower edge of the flat holes on the side wall of the shell are clamped on the front surface and the back surface of the bottom wall of the mounting groove; the thickness and width of the bottom wall of the mounting groove are consistent with the size of the flat hole of the side wall of the irradiation module shell.
The flexible insulating body is further provided with a folding groove and/or a flexible connecting part; the flexible connector is elastically bendable toward the front and/or the back at the folding groove and/or the flexible connection portion by virtue of the foldability at the folding groove and/or the flexible connection portion; the folding groove is formed in the front surface of the flexible insulating body; the mounting groove is positioned between the sealing flange and the folding groove; the folding groove is positioned at the outer side of the mounting groove, and the two grooves are parallel.
The flexible insulating body is further provided with a positioning structure which is matched with a corresponding positioning structure arranged in the irradiation module shell so as to tightly fix the flexible connector in the irradiation module shell; the positioning structure of the flexible insulating body is arranged on the bottom wall of the mounting groove, and the positioning structure in the irradiation module shell is arranged on the edge of the flat hole on the side wall of the shell; the positioning structure of the flexible insulating body and the positioning structure in the irradiation module shell are matched in a plugging, clamping, riveting or screwing way.
The front and/or back of the bottom wall of the mounting groove of the flexible insulating body is provided with a positioning hole and/or a positioning column, and the positioning hole and/or the positioning column are matched and positioned with the positioning column and/or the positioning hole at the edge of the flat hole of the side wall of the irradiation module shell.
The FPC and soft plastic, elastomer or rubber of the flexible connector are combined into the flexible connector through a thermoplastic process; forming an external flexible insulating body coating the FPC by integrally molding soft plastic, elastomer or rubber; the flexible connector is an integral structure formed by embedding the FPC into a flexible insulating body in an integral mode.
The invention also provides a phototherapy device, which comprises an irradiation module, wherein the irradiation module is an LED matrix irradiation module, the phototherapy device comprises a plurality of LED matrix irradiation modules, every two adjacent LED matrix irradiation modules are connected by a flexible connector, and a flexible laminating type phototherapy device which can be correspondingly expanded according to different phototherapy areas and/or shapes and/or doses required by treatment is formed.
The LED matrix irradiation modules form wearable treatment equipment which can be transversely, longitudinally or radially expanded and is attached to the affected part of a patient; the phototherapy device further comprises an external connector; the LED matrix irradiation modules are assembled together through the flexible connector to form a bendable treatment surface with a preset shape, and then the treatment part is connected with an external controller and a power supply through an external electric connector.
The beneficial effects of the invention are as follows:
The invention adopts a plurality of irradiation modules to expand through flexible connection, and provides a customizable flexible fitting type phototherapy device for patients.
Furthermore, the invention adopts a plurality of irradiation modules consisting of LED matrixes, and the irradiation modules are connected through flexible connection to form the wearable therapeutic equipment which can be transversely and/or longitudinally expanded and is attached to the affected part of the patient. Infrared, ultraviolet and visible Light Emitting Diodes (LEDs) are adopted to accurately treat the affected parts of patients with accurate positions, controllable shapes and areas and controllable dosages.
In addition, the invention adopts the low-power LED matrix to realize uniform output of light energy without external influence, and uses the longitudinal and/or transverse flexible connection to form the flexible treatment device which can be bent and attached to the affected part by the plurality of LED matrixes, so that the external connection is simple, light and easy to use, the output energy is controllable, and a patient can order a product according to the shape and the area of the affected part, thereby realizing accurate treatment.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a front plan view of a phototherapy apparatus according to a first embodiment of the present invention.
Fig. 2 is a plan partially exploded view of the phototherapy apparatus of the embodiment shown in fig. 1.
Fig. 3 is an exploded perspective view of the phototherapy apparatus of the embodiment shown in fig. 1.
Fig. 4 is a front plan view of a phototherapy apparatus according to a second embodiment of the present invention.
Fig. 5 is an exploded perspective view of a phototherapy apparatus according to a third embodiment of the present invention.
Fig. 6 is a plan view of an illumination module circuit board of a phototherapy apparatus according to an embodiment of the present invention.
Fig. 7 is a perspective view of the upper cover of the irradiation module housing according to the embodiment of the present invention.
Fig. 8 is a perspective view of a lower cover of an illumination module housing according to an embodiment of the present invention.
Fig. 9 is a perspective view and a front plan view of one embodiment of a flexible connector of the present invention.
Fig. 10 is a block diagram of another embodiment of the flexible connector according to the present invention, in which fig. (a) is a perspective assembly view of the flexible connector, (b) is a schematic structural view of the FPC, and (c) is a perspective view of the flexible insulation body.
Fig. 11 is a front plan view and a perspective view of an electrical connector according to an embodiment of the present invention.
Fig. 12 is a schematic plan view and a perspective view of a plug according to an embodiment of the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other, and the present application will be further described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1-3, a phototherapy device 100 has an irradiation module 10 as a basic unit, and a plurality of irradiation modules 10 are connected through flexible connectors 20 to form an expandable treatment device, so as to provide customizable fitting treatment for a patient and achieve the purpose of accurate treatment. The phototherapy device 100 further includes an external electrical connector 30 and a sealing plug 50. In the phototherapy device 100, two adjacent irradiation modules 10 are connected by a flexible connector 20, and are electrically connected with an external power supply or a circuit or a component through an external electrical connector 30, and the irradiation modules 10 can be further connected with plugs 50 on the outer side edge of the phototherapy device 100 so as to seal the side openings of the irradiation modules 10, thereby meeting the protection requirements of daily treatment occasions and realizing dust prevention and water prevention.
Preferably, the illumination module 10 is composed of a matrix of LEDs, but other light source treatment modules or other treatment function modules are also possible. The illumination modules 10 may be the same or may be different in therapeutic effect or illumination pattern.
In the embodiment of the present invention, the LED matrix irradiation module 10 composed of LED matrices is described as an example. The LED matrix illumination module 10 is formed into a wearable therapeutic device that can be expanded laterally, longitudinally, radially by radiation to fit the patient's affected area by flexible connection 20. Infrared, ultraviolet and visible Light Emitting Diodes (LEDs) are adopted to accurately treat the affected parts of patients with accurate positions, controllable shapes and areas and controllable dosages. Each illumination module 10 includes a circuit board 1 and a housing 11 accommodating the circuit board 1. The housing 11 defines a hollow cavity inside, the circuit board 1 is mounted inside the housing 11, and the housing 11 provides protection and electrical isolation.
The circuit board 1 of the LED matrix illumination module 10 includes a plurality of low power Light Emitting Diodes (LEDs) of a specific wavelength and a control circuit.
7-8, The shell 11 comprises an upper cover 2 and a lower cover 3 which are buckled together, a flat hole 12 is formed on the side surface of the shell 11 and used for connecting one connecting end of the flexible connector 20, the other connecting end connected with the flexible connector 20 can be continuously connected with the next irradiation module 10, and the connection can be continuously duplicated and continuously, so that the expansion of the LED matrix irradiation modules 10 in all directions is realized. The flat hole 12 is formed by an opening 122 formed on the upper cover 2, a corresponding opening 121 on the circuit board 1, and a corresponding opening 123 on the lower cover 3. As one embodiment, a flat hole 12 is provided in each of the upper, lower, left and right side walls of the housing. Of course, the flat holes 12 may be formed only in one direction, one side, and two sides, or the flat holes 12 may be formed in other directions, and the number and positions of the flat holes 12 may be set according to the specific expansion direction. The flat hole 12 may also serve as a mounting hole for the external electrical connector 30 or plug 50. Further, a connector positioning structure 4 is formed inside the housing 11; such as a plurality of posts, holes, stations, snaps, or other locating structures, that cooperate with locating structures on the connector to locate the connector. The positioning structure 4 may be provided on the inner side surface of the upper cover 2 and/or the lower cover 3, preferably on the top end surface inside the opening rims of the upper and lower covers. The upper cover 2 of the circuit board housing 11 is transparent, and can be subjected to light scattering treatment as required to transmit light emitted from the LED light source. The lower cover 3 is opaque. The inner side of the upper cover 2 and/or the lower cover 3 is provided with a fixing structure 13, such as a buckle, a positioning column or other suitable structure, for fixing the circuit board 1. The side of the upper cover 2 forms an opening 122 corresponding to the flat hole 12. In this embodiment, the top cover opening 122 forms a plurality of protruding positioning posts 4 along the top end surface of the inner sidewall. The side of the lower cover 3 corresponds to the flat hole 12 to form an opening 123, and a plurality of raised positioning posts 4 are formed on the top end surface of the inner side wall of the edge of the opening 123 and are used for being matched with the positioning holes on the connector. The upper cover 2 and the lower cover 3 form a tight fit structure after being covered, so that the sealing, dust prevention and water prevention are facilitated. In some embodiments, the rim end surfaces of the upper cover 2 and the lower cover 3 form a tight fit for an annular plane having a certain width.
Sealing rings can be arranged on the inner sides of the edges of the upper cover and the lower cover. It will be appreciated that the upper and lower covers may also be integrally formed to form a unitary structure. Or the upper cover and the lower cover are assembled and then welded or bonded to form the shell with an integrated structure. The upper cover 2 is covered on the front surface of the circuit board 1 and the irradiation surface of the light source; the lower cover 3 is covered on the back surface of the circuit board 1.
As one embodiment, the upper cover 2 is made of transparent PC or acryl material, the light transmittance is 80% or more, and the lower cover 3 is made of opaque PC material.
Referring to fig. 6, the circuit board 1 is provided with a control circuit, a monitoring circuit and a light source such as an LED matrix, and may further be provided with other functional components as required. The circuit board 1 is arranged on two sides, the front surface is a light source LED matrix, and the back surface is a control and monitoring circuit. The control circuit may control the irradiance (in uW/cm 2/nm) of the light source, such as an LED matrix, and the monitoring circuit may be configured to safely monitor the return signal.
The circuit board 1 is provided with a plurality of groups of electrical connections 15, and each group of electrical connections 15 comprises a plurality of inputs and outputs, including a power positive electrode connection point a, a power negative electrode connection point b, a PWM duty ratio signal connection point c for controlling light irradiance and a monitoring return signal connection point d. The sets are arranged to be electrically connected to the circuit board 1 to facilitate electrical connection with the connectors.
In this embodiment, the electrical connection 15 is four sets of symmetrical and equally defined solder apertures a, b, c, d for expanding the illumination module 10 in two directions. The 4 sets of electrical connections 15 are soldered or riveted to the flexible connector 20 and/or the external connector 30 at symmetrical locations on the four sides of the circuit board for lateral and longitudinal expansion. Of course the number and definition of signals may be modified according to functional requirements.
In the LED matrix irradiation module 10, the number of LEDs, the light emitting angle, and the mounting density of the LED matrix are specifically determined according to the required irradiance (unit: uW/cm 2/nm).
Referring also to fig. 9-10, the flexible connector 20 includes a flexible circuit board (FPC) 21 and a flexible dielectric body 22 encasing and supporting the FPC 21. The FPC 21 is embedded in the flexible insulating body 22, and the connection end of the FPC 21 connected with the LED matrix irradiation module 10 is an electrical connection sheet 210, and the electrical connection sheet 210 extends from the connection end face of the flexible insulating body 22 connected with the LED matrix irradiation module 10 so as to facilitate electrical connection with the circuit board 1 in the housing 11 of the LED matrix irradiation module 10. The flexible connector 20 is connected to the side of the LED matrix irradiation module 10 in a shape corresponding to the shape of the LED matrix irradiation module 10. The two sides or both ends of the flexible connector 20 (FPC 21/flexible insulating body 22) connected to the LED matrix irradiation module 10 are defined as connection ends, and the length direction between the two connection ends is defined as connection direction, which coincides with the expansion direction of the LED matrix irradiation module 10. The front surface of the flexible connector 20 faces the light irradiation surface in the same direction as the front surface of the circuit board 1, and the opposite surface is the back surface.
The expanded connection of the plurality of LED matrix illumination modules 10 forms a compact, flexible, unitary treatment structure that can be expanded to one or more sides. The shapes of the side surfaces of the flexible connector 20 and the LED matrix irradiation module housing 11, which are connected, are mutually matched, and one side of the flexible connector 20 is clamped in the housing 11 to be tensioned and positioned. The electrical connection piece 210 of the connection end of the FPC 21 is electrically connected to the circuit board 1 inside the housing. The electrical connection piece 210 may be fastened to the circuit board 1 by clamping, riveting, welding or other connection methods. The electrical connection piece 210 is provided with an electrical connection point 212, and is electrically connected to the electrical connection 15 of the circuit board 1.
The flexible connector 20 can bend towards the front (the light emitting surface of the LED illumination module) or back by a certain angle by virtue of elasticity or flexibility. The flexible connector 20 can be bent towards the front surface to be larger, so that the illumination surface of the LED matrix illumination module 10 can be bent to be fit with the treatment surface to a larger extent. To facilitate bending, the flexible insulating body 22 may further be provided with a folding groove 221 and/or a flexible connection portion 225, and preferably, the folding groove 221 is substantially perpendicular to the extending direction (or the connection direction of the connector) of the LED matrix irradiation module 10 and is opened on the front surface of the flexible insulating body 22. For example, the flexible connector 20 may be arranged such that the front (light emitting face) bending angle between two LED modules may be greater than or equal to 90 degrees and the back bending angle is greater than or equal to 30 degrees.
The side surface of the connection end of the flexible insulation body 22, which is connected to the LED matrix irradiation module, is further provided with a sealing flange 220 to further seal the LED matrix irradiation module housing 11, specifically, after the connection end of the flexible insulation body 22 is assembled in the housing 11, the sealing flange 220 abuts against the flat hole 12 to seal, so as to realize the dustproof and waterproof requirements. After assembly, the sealing flange 220 may be clamped inside the housing 11, located inside the flat hole 12 to seal the flat hole 12, or may abut against the outer side of the flat hole 12 to seal the flat hole 12. In the embodiment of the present invention, the sealing flange 220 is clamped inside the housing 11 and inside the flat hole 12. At this time, the electrical connection piece 210 at the end of the FPC 21 protrudes from the sealing flange 220, and the flange 220 is located at the end face of the flexible insulation body 22 on the connection side. The flexible insulating body 22 is further formed with a mounting groove 224, and the width of the mounting groove 224 is identical to the edge of the opening formed by the upper and lower covers of the housing 11. When the connection end of the flexible connector 20 is clamped into the housing 11 of the LED matrix irradiation module 10, the upper cover and the lower cover are buckled on the mounting groove 224 at the flat hole 12, and the opening edges of the upper cover and the lower cover are respectively abutted against the front surface and the back surface of the bottom wall of the mounting groove 224, so that the thickness and the width of the bottom wall of the mounting groove 224 are consistent with the size of the flat hole 12. The mounting groove 224 is located between the sealing flange 220 and the folding groove 224. The folding groove 221 is located outside the mounting groove 224, with the two grooves being parallel.
The flexible insulating body 22 is further provided with a positioning structure 222 which is matched with the connector positioning structure 4 arranged inside the shell 11, so that the flexible connector 20 and the LED matrix irradiation module 10 are connected and fixed. The positioning structure 222 of the flexible insulation body and the connector positioning structure 4 arranged inside the housing 11 can be matched in a plugging, clamping, riveting, screwing and other similar connection modes. In this embodiment, a plugging structure is adopted, that is, the positioning columns and the positioning holes are matched for positioning, the number of the positioning columns or the positioning holes is not limited, and one or more positioning columns or positioning holes can be adopted; the positioning posts or the positioning holes are arranged on the side surfaces of the upper cover and the lower cover of the flexible insulating body and the shell 11, and the positions of the positioning posts or the positioning holes are interchangeable. In the embodiment shown in the drawings of the invention, a plurality of positioning posts 4 protruding towards the buckling direction are arranged on the top end surfaces of the inner side walls of the edges of the openings of the upper cover and the lower cover of the shell 11, and a corresponding number of positioning holes 222 are formed on the connecting end of the flexible insulating body 22; of course, the positions of the positioning posts 4 and the positioning holes 222 may be interchanged. Preferably, the positioning hole 222 is disposed at the bottom of the mounting groove 224 of the flexible insulating body 22, when the connection end of the flexible connector 20 is clamped into the housing 11 of the LED matrix irradiation module 10, the upper cover and the lower cover are clamped in the mounting groove 224 at the flat hole 12, and meanwhile, the positioning column 4 disposed on the top end surface of the inner side wall of the opening of the upper cover and the lower cover is inserted into the positioning hole 222, so that the flexible connector 20 is fixed into the housing 11 of the LED matrix irradiation module 10 through the connection end, and the tensile strength is increased.
During assembly, the circuit board 1 and the FPC 21 of the flexible connector 20 are electrically connected through welding or riveting or other connection modes, and then the upper cover 2 and the lower cover 3 are installed, and the upper cover 2 and the lower cover 3 clamp the circuit board 1 on the fixing structure 13 of the upper cover and the lower cover to realize fixation. And the edges of the upper cover and the lower cover at the opening are clamped with the mounting groove 224 of the flexible connector, and the opening of the upper cover and the lower cover is respectively provided with a plurality of raised positioning columns (positioning structures) 4 which are clamped into the positioning holes 222 of the flexible connector so as to increase the tensile strength. After being fixed, the upper cover and the lower cover can be welded into a shell with an integral structure by ultrasonic welding, and the part of the connecting end of the flexible connector in the LED illumination module 10 is large in size and further has sealing and clamping functions. The sealing flange 220 outside the mounting groove 224 abuts against the rear of the opening of the upper and lower covers to achieve the dustproof and waterproof requirements. The plurality of circuit boards 1, the flexible connector 2 and the housing 11 are assembled together to form a bendable treatment surface of a specific shape, and then the treatment part is connected with an external controller and a power supply through an external electric connector 30 to form a complete device.
As one embodiment, a flexible circuit board (FPC) 1 and a soft plastic, elastomer or rubber (e.g., silicone, DPU, TPU, etc.) are combined into a flexible connector 20 by a thermoplastic process, and the soft plastic, elastomer or rubber is integrally molded by a thermoplastic or related molding process to form an outer flexible dielectric body 22 that encases FPC 21. The flexible connector 20 is an integrally formed integral structure in which the FPC 21 is embedded in the flexible insulating body 22 by prefabricating the FPC 21 and then placing it in a molding die. The flexible insulating body 22 is entirely coated on the FPC 21. The flexible connector 20 is connected between two adjacent LED matrix irradiation modules 10, and the electrical connection pieces 210 at two connection ends of the FPC 21 extend from two connection end sides of the flexible insulating body 22 to be electrically connected with the circuit boards 1 of the two adjacent LED matrix irradiation modules 10. In some embodiments, the electrical connection pads 210 are solder pads, and the electrical connection points 212 provided thereon are solder joints. The electrical connection pads 210 are located at the connection ends of the two sides of the FPC 21, and are thin plates with a certain width, for example, long strips, so as to be convenient for welding or riveting to the circuit board 1 to realize electrical connection.
The flexible dielectric body 22 may also be made of other suitable materials.
The specific shape of the flexible connector 20 can be adapted according to the specific illumination module 10, and fig. 9 and 10 are respectively two different shapes of flexible connector 20, which achieve the same function and have the above-mentioned common structural features. The connection ends on both sides of the FPC 21 are respectively provided as electrical connection pieces 210, and are respectively connected with the two irradiation modules 10. In the flexible connector 20 of the embodiment shown in fig. 9, a cylinder is disposed in the middle of the flexible insulating body 22, sealing flanges 220 are formed on the sides of the two connecting ends, and mounting grooves 224 (or functions as folding grooves) are formed on the outer sides of the flanges 220 (or between the flanges and the cylinder), and flexible connecting portions 225 are disposed between the mounting grooves 224 and the cylinder, so that bending actions on the front and back surfaces are realized.
In the flexible connector 20 of another embodiment shown in fig. 10, the lengths of the electrical connection pieces 210 disposed at the connection ends on both sides of the FPC 21 correspond to the flat holes 12 on the side wall of the housing 11 of the irradiation module 10, and the upper and lower ends of the electrical connection pieces 210 form a backward hook portion to be clamped with the inner side wall of the flat hole 12. The FPC 21 is provided with a positioning structure (such as a positioning hole, a protrusion, etc.) that is positioned when it is inserted into the flexible insulating body 22. The flexible insulating body 22 is coated on the FPC 21, and the electrical connection pieces 210 on two sides of the FPC 21 extend from two connecting end sides of the flexible insulating body 22. Flanges 220 are formed on the side surfaces of the two connecting ends of the flexible insulating body 22 to seal the flat holes 12 on the side surfaces of the irradiation module shell, and a folding groove 221 is formed on the front surface of the middle part of the flexible insulating body 22, so that the whole front surface of the flexible insulating body 22 can be elastically bent, for example, bent by 90 degrees. A mounting groove 224 is formed between the outer sidewall of the folding groove 221 and the flange 220, and a row of positioning holes 222 are provided at the bottom of the mounting groove 224.
The flat hole 12 on one side of the illumination module 10 is connected to an external electrical connector 30. The external electrical connector 30 is preferably a flexible connector, and the external insulating body 33 is formed by covering a flexible plastic or elastomer material such as silicone rubber or TPU with an external flexible circuit board (FPC) 31 by a thermoplastic method, but not limited to. The external FPC 31 is wrapped on the insulating body 33, and the terminal connecting piece of the external FPC extends out of the insulating body 33 to be inserted into the irradiation module housing 11 to be electrically connected with the circuit board 1, and the external electrical connector 30 further comprises an external connecting wire 32, wherein one end of the external connecting wire 32 is electrically connected with the external FPC 31 in the insulating body 33, and the other end of the external connecting wire extends out to be electrically connected with an external power supply, a circuit or a component. The connection side surface of the insulating body 33 is formed with a flange 35, and when the connection side surface of the external electrical connector 30 is inserted into the flat hole 12 of the irradiation module housing side surface, the flange 35 is sealed against the inside of the flat hole 12. The flange 35 of the connecting end of the external electric connector is formed on the connecting end face of the insulating body 33, the outer side of the upper flange of the insulating body 33 is provided with a mounting groove 36, and the edge of the opening of the upper cover and the lower cover of the irradiation module are clamped on the front face and the back face of the bottom wall of the mounting groove 36 when the upper cover and the lower cover of the irradiation module are buckled; the mounting slots 36 are provided with locating formations 37 (with locating formations 222 of the flexible connector 20) on the front and/or rear faces of the bottom wall thereof which cooperate with locating formations 4 provided on the top face of the open edge of the upper and/or lower cover to secure the external electrical connector 30 tautly to the side of the housing of the illumination module 10.
The irradiation module 10 can be plugged by providing a plug 50 on one side of the flat hole 12 without expansion, wherein the plug 50 is an insulator, and the shape of the plug is matched with the shape of the flat hole 12 and the side surface of the shell 11. The outer side of the flange 51 is provided with a flange of the plug 50, and when the plug 50 is assembled on one side of the irradiation module 10, the flange of the plug 50 is clamped inside the shell 11 and is abutted against the rear of the flat hole 12, so that the sealing, waterproof and dustproof effects are achieved. The outer side of the flange of the plug 50 is provided with a mounting groove 52, and the edge of the opening of the upper cover and the lower cover of the irradiation module are clamped on the front side and the back side of the wall of the bottom of the mounting groove when the upper cover and the lower cover are buckled.
In use, the irradiation module 10 comprising a plurality of LED arrays is used to form a wearable phototherapy device 100 which can be transversely and longitudinally expanded and attached to the affected part of a patient through the flexible connector 20. The irradiation modules 10 of the phototherapy device 100 of the invention reach the protection level IP54 after being assembled by the flexible connector 20 and the circuit board housing 11, thereby meeting the protection requirements of daily treatment occasions and having good dustproof and waterproof performances.
In a first embodiment of the phototherapy device 100 shown in fig. 1-3, the illumination module 10 has a substantially square shape, and the four sides of the housing 11 are provided with openings, i.e. flat holes 12. The flexible connector 20 is arranged between two adjacent irradiation modules 10, one irradiation module 10 is further connected with the external electric connector 30 so as to form electric connection with an external circuit, a power supply or other related components, and each widened irradiation module 10 is electrically communicated; the side of the irradiation module 10 that does not need to be further expanded on the outside is sealed by a plug 50 to this opening of the housing of the irradiation module 10.
During assembly, the circuit boards 1 are respectively and electrically connected with the connecting ends of the connected flexible connectors 20 and/or the external electric connectors 30 through welding, riveting or other connecting modes, the upper covers 2 and the lower covers 3 are installed, the upper covers 2 and the lower covers 3 clamp the circuit boards 1 on the fixing structures 13 of the upper covers and the lower covers, and meanwhile, the connecting ends (sides) of the flexible connectors 20 and/or the external electric connectors 30 and/or the plugs 50 are clamped in the shell 11 and on one side of the flat holes 12, so that the formed phototherapy device 100 is compact in integral structure, and each irradiation module 10 can be bent relatively, for example, the front face can be bent by 90 degrees to be more attached to affected parts. The irradiation module 10 adopts infrared, ultraviolet and visible Light Emitting Diodes (LEDs) to accurately treat the affected part of the patient with controllable shape and area and controllable dosage.
In another embodiment shown in fig. 4, the phototherapy apparatus 100 is an elongated treatment device formed by expanding a plurality of irradiation modules 10 composed of LED matrices in one direction, such as a lateral direction. In this embodiment, openings are provided on the left and right side walls of each irradiation module housing 11, that is, flat holes 12 are formed, and the upper and lower side walls are closed, so that the flexible connector 20 is connected between the two adjacent irradiation modules 10 in the middle, and the two outermost irradiation modules 10 are respectively connected with the external electrical connector 30 and the plug 50.
The flexible connector 20 used in fig. 1-4 above is shown in fig. 9. The phototherapy apparatus 100 of the third embodiment shown in fig. 5 is a treatment device in which a plurality of irradiation modules 10 composed of LED matrices are connected using flexible connectors 20 as in fig. 10 to be expanded to form an overall square array.
It will be appreciated that the housing shape of the irradiation module 10 may be a variety of shapes, and that the various directions around the housing, including the lateral and/or longitudinal directions and/or radial directions of radiation, may be expanded in any direction, with the flexible connector 20 connecting a plurality of irradiation modules 10 to form a treatment apparatus of a desired area and size. The plurality of irradiation modules 10 can be bent relatively.
It will be appreciated that the external connector 30 and plug 50 are optional devices, such as the sides of the housing that do not need to be expanded may be closed, and that the plug 50 need not be used. The external connector 30 may not be used if the irradiation modules 10 are individually powered or a control program is set.
The term "plurality" as used in this disclosure means "one or more" including "two".
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (9)

1. A phototherapy device comprises a plurality of irradiation modules and a flexible connector; each irradiation module comprises a circuit board and a shell, wherein the shell internally defines a hollow cavity, and the circuit board is arranged in the shell; the method is characterized in that: the two adjacent irradiation modules are connected by one flexible connector, so that a flexible laminating type phototherapy device which can be correspondingly expanded according to different phototherapy areas and/or shapes and/or doses required by treatment is obtained; each flexible connector comprises an FPC and a flexible insulating body; the FPC is embedded into the flexible insulating body to form an integrated structure;
Two sides of the flexible insulating body of each flexible connector form two connecting ends, one connecting end is connected with one irradiation module, and the other connecting end is connected with the next irradiation module; each flexible connector is integrally connected to the side face of one irradiation module;
Two connecting ends of the flexible connector are respectively provided with a flange and a mounting groove positioned outside the flange; the side wall of the irradiation module shell is provided with a flat hole; the connecting end penetrates through the flat hole of the irradiation module shell so as to be in clamping connection with the irradiation module; the flange of the connecting end is positioned in the corresponding irradiation module shell, abuts against the inner side of the flat hole and seals the flat hole; the upper and lower edges of the flat holes are clamped on the front and back sides of the bottom wall of the mounting groove;
the two side tail ends of the FPC of each flexible connector extend out from the two sides of one flexible insulating body and are respectively and electrically connected with one side of the circuit board of two adjacent irradiation modules;
One flexible connector is connected to the side surface of the irradiation module and is positioned between the two irradiation modules; the plurality of flexible connectors can be respectively and independently connected around the shell of the irradiation module, and the plurality of irradiation modules are connected in an expanding way along any direction, so that a treatment device with the required area and size is formed;
the flexible insulating body is further provided with a positioning structure which is matched with a corresponding positioning structure arranged in the irradiation module shell so as to fix the flexible connector in the irradiation module shell in a tensioning manner; the positioning structure of the flexible insulating body is arranged on the bottom wall of the mounting groove, and the positioning structure in the irradiation module shell is arranged on the edge of the flat hole on the side wall of the shell; the positioning structure of the flexible insulating body and the positioning structure arranged inside the irradiation module shell are matched in a plugging manner, a clamping manner, a riveting manner or a screwing manner.
2. The phototherapy device of claim 1, wherein: the front surface of the flexible connector and the front surface of the irradiation module circuit board face the same direction, and the opposite surface is the back surface; the flexible connector can bend towards the front and the back by virtue of self flexibility and elasticity; the bending of the front surface of the flexible connector facing the same side as the illumination surface is larger than the bending of the back surface; the whole shape of the flexible connector is adapted to the shape of the irradiation module, and the flexible connector is connected to the side surface of the irradiation module and positioned between the two irradiation modules to form a flexible laminating type phototherapy device which can be correspondingly expanded according to different phototherapy areas and/or shapes and/or doses required by treatment;
The flexible connector may be expandable around the housing of the illumination module in a lateral and/or longitudinal direction and/or radial direction of radiation to connect a plurality of illumination modules.
3. The phototherapy device of claim 1, wherein: the tail ends of the two sides of the FPC extend out from the two sides of the flexible insulating body to form an electric connecting sheet, and the electric connecting sheet is fixed on a circuit board of the irradiation module through clamping, riveting or welding; the electric connection sheet is provided with an electric connection point which is electrically connected with the electric connection point of the circuit board of the irradiation module;
the electric connecting sheet is a soldering lug, an electric connecting point arranged on the electric connecting sheet is a welding spot, and the electric connecting sheet is a sheet;
the upper end and the lower end of the electric connecting sheet form backward hook parts, and the hook parts are clamped with the inner side walls of the flat holes.
4. The phototherapy device of claim 1, wherein: the thickness and the width of the bottom wall of the mounting groove are consistent with the size of the flat hole of the side wall of the irradiation module shell;
The middle of the flexible insulating body is provided with a column body, the side surfaces of the two connecting ends form the flanges, the mounting groove is formed between the flanges and the column body, and a flexible connecting part is arranged between the mounting groove and the column body so as to realize the integral bending of the flexible insulating body; or the front surface of the middle part of the flexible insulating body is provided with a folding groove, so that the whole front surface of the flexible insulating body can be elastically bent, and the mounting groove is formed between the outer side wall of the folding groove and the flange.
5. The phototherapy device of claim 1, wherein: the flexible insulating body is further provided with a folding groove and/or a flexible connecting part; the flexible connector is elastically bendable toward the front and/or the back at the folding groove and/or the flexible connection portion by virtue of the foldability at the folding groove and/or the flexible connection portion; the folding groove is formed in the front surface of the flexible insulating body; the mounting groove is positioned between the flange and the folding groove; the folding groove is positioned at the outer side of the mounting groove, and the two grooves are parallel.
6. The phototherapy device of claim 1, wherein: the front and/or back of the bottom wall of the mounting groove of the flexible insulating body is provided with positioning holes and/or positioning columns, and the positioning holes and/or positioning columns are spliced and matched with the positioning columns and/or positioning holes at the edge of the flat hole of the side wall of the irradiation module shell.
7. The phototherapy device of any of claims 1-6, wherein: combining the FPC and soft plastic, elastomer or rubber into the flexible connector through a thermoplastic process; forming an external flexible insulating body coating the FPC by integrally molding soft plastic, elastomer or rubber; the flexible connector is an integral structure formed by embedding the FPC into a flexible insulating body in an integral mode.
8. The phototherapy device of claim 1, wherein: the irradiation module is an infrared or ultraviolet or LED matrix irradiation module.
9. The phototherapy device of claim 8, wherein: the plurality of irradiation modules form wearable therapeutic equipment which can be transversely, longitudinally or radially expanded and is attached to the affected part of a patient; the phototherapy device further comprises an external connector; the number and the positions of the flat holes arranged on the side wall of the irradiation module shell are set according to the specific expansion direction, a plurality of irradiation modules are assembled together through flexible connectors to form a bendable treatment surface with a preset shape, and the treatment part is connected with an external controller and a power supply through an external electric connector.
CN201711482394.9A 2017-12-29 2017-12-29 Phototherapy device flexible connector and phototherapy device Active CN108042925B (en)

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