CN201231016Y

CN201231016Y - Photo-irradiation head of photo-drive treatment device

Info

Publication number: CN201231016Y
Application number: CNU2008200751104U
Authority: CN
Inventors: 李迎新; 陈谦锐; 杨久敏; 薛志孝
Original assignee: Tianjin Medical University
Current assignee: Tianjin Medical University
Priority date: 2008-06-24
Filing date: 2008-06-24
Publication date: 2009-05-06
Anticipated expiration: 2018-06-24

Abstract

The utility model discloses a light irradiation head of a photodynamic therapy machine, which belongs to a device utilizing light therapy. The utility model includes a high power density LED integrated module with a certain central wavelength and a certain optical power density, and at least ^two high power density LED integrated modules with different or the same central wavelength and an optical power density range of 30-200mw/cm Connected in parallel on the base body with water cooling structure. The utility model designed in this way realizes that the light irradiation head of the photodynamic therapy machine can output light with high power density and multiple center wavelengths, and expand the light irradiation area on the basis of sufficient light power density, and cooperate with different absorption A photosensitizer for wavelength light, suitable for the treatment of different skin diseases. It realizes that the LED light irradiation head does not need to be replaced many times during the treatment, expands the application range of the treatment, and reduces the labor intensity of the medical personnel.

Description

The photoirradiation head of optical dynamic therapy machine

Technical field

This utility model relates to the device that utilizes the light treatment, specifically is the photoirradiation head of using a kind of optical dynamic therapy machine of photodynamic therapy treatment dermatosis.

Background technology

Photodynamic therapy is the treatment nevus flammeus, one of effective means of dermatosis such as acne, condyloma acuminatum and various cutaneous tumor, at present, the light emitting diode of Ying Yonging (LED) photoirradiation art mainly is to adopt led light source high-power, multi-wavelength clinically, the photosensitizer that cooperates different absorbing wavelength light, utilize different fluorescent effects discoveries focus in various degree, thereby the disease of different depth in the skin is played good therapeutic effect.

The therapy apparatus of clinical practice at present generally adopts power supply, output, temperature and cooling system, the data show centralized Control of single-chip microcomputer to LED.

But mostly the irradiation head of above-mentioned therapy apparatus is to export a kind of led light source of centre wavelength light, and the LED photoirradiation head of perhaps a plurality of different centre wavelength light is replaced in use.And owing to be the simple set of a plurality of independent LED pipes all, its exposure light power density is low, and Chang Buneng satisfies the needs of clinical treatment.And mostly need to realize conversion output single, multi-wavelength by repeatedly changing LED photoirradiation head (treatment head).Caused complicated operation, the disease treatment time lengthening has not only increased patient's misery, has also increased medical workers.

The 30W that China Chuangyuan Photoelectric Science and Technology Co., Ltd., Hangzhou produces, the CEPW10P60 great power LED uses the integrated encapsulation of 24 1W level chips, and the circuit of 24 chips is 6 series connection, again the high power density LED integration module of 4 parallel connections.Form 24 LED luminous points in its circular light according to card, and be encapsulated in the ring-shaped shell, the corresponding both sides of shell outer wall is provided with the positive and negative electrode binding post that lead connects, and the ring-shaped shell bottom is formed at the nipple that the photoirradiation head connects, and is used for decorative lighting.

This novel high-power and high-luminance LED integration module in the integrated encapsulation of chip-scale, because the integrated level height, therefore, its Output optical power density improves.

Chinese patent 2375330 discloses a kind of " chiller of Phototherapeutic instrument ", and this device comprises water tank and miniature immersible pump; Be provided with heat exchanger in the casing of Phototherapeutic instrument; The outlet pipe of miniature immersible pump is connected with the water inlet tap of treatment head, and the faucet of treatment head is connected with the water inlet of heat exchanger by pipe, and the outlet of heat exchanger is connected with water tank by pipe; Be provided with aerofoil fan with the heat exchanger correspondence position in the casing.The heat that this utility model can produce the treatment head discharges rapidly, improves cooling effect greatly, has prolonged continuous operating time, and the therapeutic instrument operation is more convenient; Corresponding the reducing of water tank volume do not need to change cooling water basically simultaneously.

Chinese patent 2375329 discloses " a kind of treatment head of Phototherapeutic instrument ", comprise entity pezzer's catheter,mushroom cathete, bromine tungsten filament lamp, cavity, bromine tungsten filament lamp is installed in the cavity, entity light guide light-receiving end face is near bromine tungsten filament lamp, be provided with mouse cage shape water of radiation circulation road in the cavity, the intake-outlet of this passage and has the water-cooled body of water inlet pipe and outlet pipe to be connected, and the electrode clamping plate are fixed on the water-cooled body, the lamp base of bromine tungsten filament lamp is installed in the metal lamp holder, and lamp socket contacts with cavity.This treatment head has solved prior art light path complexity, cools off inadequate problem, has that light path is simple, a good cooling results, difficulty of processing is low, volume is little, optical output power is big characteristics.

Summary of the invention

This utility model is exactly low single with centre wavelength and constantly change the problem of photoirradiation head for using different centre wavelengths in order to solve LED photoirradiation head output power density, but provide a kind of both can one the also photoirradiation head of the optical dynamic therapy machine of the high power density exported of multicenter wavelength of centre wavelength.

This utility model is realized according to following technical scheme.

A kind of photoirradiation head of optical dynamic therapy machine comprises the high power density LED integration module of certain centre wavelength and certain optical power density, and at least 2 different centre wavelengths, and the optical power density scope is 50-120mw/cm ²High power density LED integration module be connected on the base body with water-cooling structure.

The photoirradiation head of described optical dynamic therapy machine, its at least 2 identical central wavelength, and the optical power density scope is 50-120mw/cm ²The integrated mould of high power density LED be connected on the base body with water-cooling structure.

The photoirradiation head of described optical dynamic therapy machine, its base body with water-cooling structure comprises that the bottom surface is formed with the base body of leg, chassis of inserting in the leg and the bottom that is used to seal, the base body end face is formed with the be spirally connected mouth corresponding with high power density LED integration module, mouthful centrage both sides correspondence that is spirally connected is formed with the wire through-hole that runs through base body, and base body bottom face is formed with the bosh that is communicated with base body periphery wall pipe fitting interface; Perforation is formed with the wiring hole corresponding with the base body wire through-hole on the chassis, and the corresponding both sides of bottom are formed with the fairlead of drawing lead.

She Ji this utility model like this, be that high power density LED integration module with a plurality of single centre wavelengths or a plurality of centre wavelengths is integrated on the base body with water-cooling structure, thereby realize the light of the exportable multicenter wavelength of photoirradiation head of optical dynamic therapy machine, and on the basis of enough optical power densities, make the photoirradiation enlarged areas, and cooperate the photosensitizer of different absorbing wavelength light, be applicable to the dermatosis of different depth.Needn't repeatedly change LED photoirradiation head when having realized treatment, expand the treatment range of application, alleviate medical workers.

Description of drawings

Fig. 1 is a high power density LED integration module perspective view;

Fig. 2 is this utility model perspective view;

Fig. 3 is this utility model plan structure sketch map;

Fig. 4 is that base body of the present utility model is looked up structural representation;

Fig. 5 is the A-A vertical profile structural representation of Fig. 3;

Fig. 6 is and the bonded snoot perspective view of this utility model.

Among the figure: 1.1a.1b.LED integration module 2. ring-shaped shells

3. nipple 4. illumination dishes

5. luminous point 6. binding posts

7. leg 8. pedestals

9. chassis 10. bottoms

11. base body 12. wire through-holes

13. bosh 13a. cannelure

13b. guiding gutter 14. pipe fittings

15. pipe fitting interface 16. wiring holes

17. fairlead 18. external screw threads

19. snoot 20. top interfaces

21. light-conducting arm shaft-jointed hole 22. leads

The mouth 23. be spirally connected.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is described in detail.

A kind of photoirradiation head of optical dynamic therapy machine comprises the high power density LED integration module 1 of certain centre wavelength and certain optical power density, and at least 2 different centre wavelengths, and the optical power density scope is 30-200mw/cm ²The both positive and negative polarity of high power density LED integration module 1 be connected in series on the pedestal 8 with water-cooling structure.

The photoirradiation head of described optical dynamic therapy machine, its at least 2 identical central wavelength, and the optical power density scope is 30-200mw/cm ²The both positive and negative polarity of high power density LED integration module 1 be connected in series on the pedestal 8 with water-cooling structure.

The ring-shaped shell 2 corresponding both sides outer walls of high power density LED integration module 1 are provided with the positive and negative terminal 6 that lead 22 connects, and the nipple 3 that is connected with the photoirradiation head is formed on ring-shaped shell 2 bottoms.The centre of ring-shaped shell 2 is provided with the circular light that forms luminous point 5 and shines dish 4.

The photoirradiation head of described optical dynamic therapy machine, its pedestal 8 with water-cooling structure comprises that the bottom surface is formed with the base body 11 of leg 7, the bottom 10 of inserting chassis 9 in the leg 7 and being used to seal, base body 11 end faces are formed with the be spirally connected mouth 23 corresponding with high power density LED integration module, mouthful 23 centrage both sides correspondences that are spirally connected are formed with the wire through-hole 12 that runs through base body 11, and base body 11 bottom surfaces are formed with the bosh 13 that is communicated with base body periphery wall pipe fitting interface 15; Connect on the chassis 9 and be formed with the wiring hole 16 corresponding with base body wire through-hole 12, bottom 10 corresponding both sides are formed with the fairlead 17 of drawing lead.

Chassis 9 surface applied water-proof adhesive plasters are gone into base body 11 bottom surfaces in the leg, make the bosh 13 of base body bottom face form cooling water pipeline in the pedestals 8.

The positive and negative terminal 6 at each LED integration module two ends passes the wire through-hole 12 of mouthful 23 both sides correspondences that are spirally connected through lead 22, and the wiring hole on the chassis 9 16, and on the chassis connect the LED integration module one by one in 9 bottom surfaces,, and be connected with the control assembly (not shown) of optical dynamic therapy machine after the fairlead 17 of bottom 10 is derived.

The photoirradiation head of described optical dynamic therapy machine, its placed in-line 7 different centre wavelengths, and the optical power density scope is 50-120mw/cm ²High power density LED integration module 1, wherein 3 is the LED integration module 1a of HONGGUANG, and centre wavelength 625 ± 3nm; 4 is the LED integration module 1b of green glow, and centre wavelength is 530 ± 3nm.Irradiation distance 100-150mm between photoirradiation head and the skin is to guarantee effective optical power density.

The photoirradiation head of described optical dynamic therapy machine, its placed in-line 7 identical central wavelength, and the optical power density scope is 50-120mw/cm ²High power density LED integration module in, be the LED integration module 1a of HONGGUANG, and centre wavelength is 625 ± 3nm.Irradiation distance 100-150mm between photoirradiation head and the skin is to guarantee effective optical power density.

The photoirradiation head of described optical dynamic therapy machine, it is formed with the external screw thread 18 that is spirally connected with snoot 19 top interfaces 20 on the base body 11 periphery wall tops with water-cooling structure.Snoot 19 end openings are equipped with glass (not shown), in order to dustproof and protection LED integration module, and the light of output are compiled more, and optical power density is bigger.

The photoirradiation head of described optical dynamic therapy machine, it also is formed with the light-conducting arm shaft-jointed hole 21 that is coupling with the light-conducting arm (not shown) that is coupling on base body 11 periphery walls with water-cooling structure, and the direction of photoirradiation head is adjusted in rotation when being used to use.

The photoirradiation head of described optical dynamic therapy machine, the bosh 13 of its base body 11 bottom surfaces form and are not connected concentric annular groove 13a, and the cecum that cannelure 13a is not connected to base body 11 15 periphery wall pipe fitting interfaces form guiding gutter 13b respectively.Through the above-mentioned chassis 9 bonding sealings that are coated with marine glue, form the cooling water pipeline in the pedestal 8.Pipe fitting 14 through being installed on the base body 11 periphery wall pipe fitting interfaces 15 is connected with (not shown) cooling water circulation pipeline on the optical dynamic therapy machine again, realizes cooling of photoirradiation head, guarantees equipment working state.

Chassis 9 in this utility model, base body 11 adopt alloy material to make, and bottom 10 adopts plastic processing to make.The high power density LED integration module of certain centre wavelength and certain optical power density is the commercially available prod.

During use, the red-light LED integration module 1a that will to be provided with 3 centre wavelengths be 625 ± 3nm, the green light LED integration module 1b that 4 centre wavelength is 530 ± 3nm is arranged on base body 11 surfaces.The external screw thread 18 on base body periphery wall top is screwed onto on the snoot 19 top interfaces 20, the light-conducting arm axis bolt (not shown) of optical dynamic therapy machine is connected the light-conducting arm shaft-jointed hole interior 21 on base body 11 periphery walls, the lead of drawing from the fairlead 17 of bottom 10 corresponding both sides is connected with the lead on the light-conducting arm, and water inlet pipe and the drain pipe (not shown) of the pipe fitting interface 15 on base body 11 periphery walls on pipe fitting 14 and light-conducting arm is communicated with respectively and gets final product.Like this, can export the photoirradiation head of 2 kinds of different centre wavelength light, and aim at the patient skin that is coated with corresponding photosensitizer and treat the open country, carry out light exposure treatment by corresponding requirements.

This utility model is not limited to technique scheme, as required, mouthfuls 23 LED integration modules that also can connect multiple different centre wavelength light that are spirally connected on the base body 11, yellow light LED integration module as centre wavelength 590nm, or the blue-ray LED integration module of centre wavelength 460nm, can realize the output of multi-wavelength light.

Claims

1. A light irradiation head of a photodynamic therapy machine, comprising a high power density LED integrated module with a certain central wavelength and a certain optical power density, characterized in that at least 2 different central wavelengths, and an optical power density range of 30-200mw /cm ² high power density LED integrated module is connected on the base body with water cooling structure.

2. The light irradiation head of ^the photodynamic therapy machine according to claim 1, characterized in that there are at least 2 identical central wavelengths, and a high power density LED integrated module with an optical power density range of 30-200mw/cm is connected to On the base body with water cooling structure.

3. The light irradiation head of photodynamic therapy machine according to claim 1, characterized in that the base body with water cooling structure comprises a base body with a surrounding wall formed on the bottom surface, and the surrounding wall is built into the chassis and used for sealing The bottom cover, the top surface of the base body is formed with a screw interface corresponding to the high power density LED integrated module, the two sides of the center line of the screw interface are correspondingly formed with wire through holes passing through the base body, and the bottom surface of the base body is formed with a The cooling water tank connected to the pipe fitting interface on the peripheral wall of the body; the wiring hole corresponding to the through hole of the base body is formed on the chassis, and the lead hole for leading the lead is formed on the corresponding two sides of the bottom cover.

4. The light irradiation head of the photodynamic therapy machine according to claim 1, characterized in that 7 different central wavelengths are connected in series, and the optical power density range is 50-120mw/cm ² High power density LED integrated modules, Three of them are red light LED integrated modules with a center wavelength of 625±3nm; four are green light LED integrated modules with a center wavelength of 530±3nm.

5. The light irradiation head of the photodynamic therapy machine according to claim 1, characterized in that 3-7 same central wavelengths are connected in series, and the high power density LEDs with an optical power density range of 50-120mw/ ^cm are integrated Among the modules, all are red LED integrated modules, and the center wavelength is 625±3nm.

6. The light irradiation head of the photodynamic therapy machine according to claim 1 or 3, characterized in that an external thread screwed to the top interface of the condenser is formed on the upper part of the peripheral wall of the base body with a water cooling structure.

7. The light irradiation head of the photodynamic therapy machine according to claim 1, characterized in that the cooling water groove on the bottom surface of the base body is formed as a non-connected concentric annular groove, and the unconnected blind end of the annular groove is connected to the peripheral wall pipe of the base body Diversion grooves are respectively formed between the interfaces.