CN201692149U - Head intraocular tumor laser treatment device - Google Patents
Head intraocular tumor laser treatment device Download PDFInfo
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- CN201692149U CN201692149U CN2010201855305U CN201020185530U CN201692149U CN 201692149 U CN201692149 U CN 201692149U CN 2010201855305 U CN2010201855305 U CN 2010201855305U CN 201020185530 U CN201020185530 U CN 201020185530U CN 201692149 U CN201692149 U CN 201692149U
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Abstract
The utility model provides a head intraocular tumor laser treatment device which comprises a head fixing device, an indirect ophthalmoscope, a laser radiation device and a non-contact lens; the non-contact lens is a double-convex lens; the device is characterized in that the laser radiation device comprises a laser production device, and a laser fiber and a laser head which emit an output laser beam of the laser production device; the laser head comprises a group of focusing lenses, a reflective mirror for changing a light path, a laser emitting end for containing the laser fiber, and a laser head outer shell for containing the focusing lens and the reflective mirror; the indirect ophthalmoscope and the laser head of the laser radiation device are fixed on the head fixing device; and the focus of focusing lens is 10 to 100mm, and that of the non-contact lens is 50mm. The device can continuously adjust the diameter of laser spots on a retina to be 1 to 10mm or fix the same in the light spot range, achieve the purpose of treating intraocular tumors, and improve the treatment efficiency.
Description
Technical field
This utility model relates to a kind of wear-type intraocular tumour device for laser therapy.
Background technology
In the ophthalmology laser application system, laser generally exports to ophthalmology slit lamp microscope or indirect ophthalmoscope via optical fiber, by additional laser transmission apparatus on it laser is imported to the optical fundus again.For the patient that can adopt sitting posture, generally use ophthalmology slit lamp microscope attachment device transmission laser; For the patient that can not adopt sitting posture, generally use wear-type indirect ophthalmoscope attachment device transmission laser.At present, the device for laser therapy that the intraocular tumour of being exclusively used in treatment is not also arranged, the hot spot of the indirect ophthalmoscope attachment device transmission laser that the treatment intraocular tumour is used is generally less than 0.5 millimeter, because the general diameter of intraocular tumour all is far longer than 0.5 millimeter, long especially during treatment with this so little time that hot spot light coagulates or thermotherapy needs, efficient is very low, and therefore this small light spot laser aid is not suitable for treating intraocular tumour.
The utility model content
For addressing the above problem, the hot spot that this utility model provides a kind of laser is greater than 0.5 millimeter, wear-type intraocular tumour device for laser therapy that therapeutic efficiency is high.
Wear-type intraocular tumour device for laser therapy provided by the utility model, by wear-type fixture 1, indirect ophthalmoscope 2, laser irradiation device 3 and noncontact mirror 4 are formed; Noncontact mirror 4 is a biconvex lens; Laser irradiation device 3 comprises laser generator 9, be used for laser fiber 13 and laser heddpiece that the outgoing laser beam from laser generator is penetrated; Described laser heddpiece comprises one group of focus lens group 10, be used to the laser heddpiece shell that changes the illuminator 12 of light path and hold laser ejecting end, condenser lens and the illuminator of laser fiber; The laser heddpiece of described indirect ophthalmoscope 2 and laser irradiation device 3 is fixed on the wear-type fixture 1; The focal length of focus lens group 10 is 10-100mm, and the focal length of described noncontact mirror 4 is 50mm.Such structural design projects laser on the retina of optical fundus after by noncontact mirror 4, and can forming fixedly, hot spot is the laser facula of 1-10 mm dia.
Described laser irradiation device 3 can also comprise the zoom adjusting device 11 that can adjust the condenser lens focal length; The focal length of the focus lens group 10 of the described zoom adjusting device scalable laser irradiation device 3 of adjusting the condenser lens focal length changes in the scope of 10-100mm.Can guarantee laser projections like this to the retina of optical fundus, focusing by the zoom adjusting device, can to form spot diameter be the laser facula that changes in the scope of 1-10 millimeter.
Described focus lens group 10 can be made of two photocentre axles lens point-blank, and wherein a slice is the balsaming lens of a plano-concave mirror and a biconvex mirror, and another sheet is a biconvex lens.
Described focus lens group 10 can be made up of three photocentre axles biconvex lens point-blank.
The focal length of the focus lens group 10 of described laser irradiation device 3 is a fixed focal length, and focal length is 20mm.Like this can form the hot spot that diameter is 2mm in conjunction with the noncontact mirror.
Described indirect ophthalmoscope can be by lighting source 5, is used to converge the condenser lens 6 of the light of illuminating lamp emission, and the illuminator 8 that is positioned at the eyepiece camera lens 7 behind the observation port and changes illumination path is formed.
The material of above-mentioned focus lens group 10 is not limited, and the radius of curvature of the lens that comprise is not limited.
In the said apparatus, indirect ophthalmoscope and noncontact mirror constitute the amphiblestroid viewing system in optical fundus.Laser irradiation device 3 is attached on the wear-type indirect ophthalmoscope, and laser is projected on the retina of optical fundus after by the noncontact mirror, forms the laser facula of 1-10 mm dia, can make the laser spot diameter on the retina change continuously between the 1-10 millimeter; Also can make any number or any several numerical value between the laser spot diameter stuck-at--10 millimeter.The increasing of laser facula has improved the therapeutic efficiency of intraocular tumour greatly.
Description of drawings
Fig. 1 is a wear-type intraocular tumour device for laser therapy of the present utility model.
Fig. 2 is the internal structure sketch map of wear-type intraocular tumour device for laser therapy of the present utility model.
Fig. 3 is focus lens group (10) sketch map of wear-type intraocular tumour device for laser therapy of the present utility model.
The sketch map of another example of focus lens group (10) of Fig. 4 wear-type intraocular tumour of the present utility model device for laser therapy.
The specific embodiment
As depicted in figs. 1 and 2, be wear-type intraocular tumour device for laser therapy of the present utility model.It is by wear-type fixture 1, indirect ophthalmoscope 2, and laser irradiation device 3 and noncontact mirror 4 are formed;
Wherein, laser irradiation device 3 comprises laser generator 9, is used for the laser fiber 13 and the laser heddpiece that penetrate from the outgoing laser beam of laser generator; Laser heddpiece comprises one group of focus lens group 10, be used to the laser heddpiece shell that changes the illuminator 12 of light path and hold laser ejecting end, condenser lens and the illuminator of laser fiber; The laser heddpiece of described indirect ophthalmoscope 2 and laser irradiation device 3 is fixed on the wear-type fixture 1; The focal length of focus lens group 10 is 10-100mm.Noncontact mirror 4 is a biconvex lens; The focal length of noncontact mirror 4 is 50mm.Such structural design projects laser on the retina of optical fundus after by noncontact mirror 4, and can forming fixedly, hot spot is the laser facula of 1-10 mm dia.
Indirect ophthalmoscope is conventional indirect ophthalmoscope, generally can be by lighting source 5, be used to converge the condenser lens 6 of the light of illuminating lamp emission, and the illuminator 8 that is positioned at the eyepiece camera lens 7 behind the observation port and changes illumination path is formed.
As shown in Figure 3, be an embodiment of the present utility model, focus lens group 10 is made of two photocentre axles lens point-blank, and wherein a slice is the balsaming lens of a plano-concave mirror and a biconvex mirror, and another sheet is a biconvex lens.Two lens of this focus lens group can be installed the zoom adjusting device, by regulating the adjusting of the distance realization focal length between two lens, focal length can be set to be changed between 10-100mm, cooperate the noncontact mirror to use, can be during use according to the size adjustment focal length of tumor, the diameter of control hot spot changes between 1-10mm; Also the zoom adjusting device can be installed, the focal length that focus lens group directly is set is in the scope of 10-100mm, and such as being set to 20mm when focal length, such noncontact mirror (f=50) in conjunction with 20D can form the hot spot that diameter is 2mm.
As shown in Figure 4, among the embodiment of the present utility model, focus lens group 10, biconvex lens L1, L2, L3 point-blank forms by three photocentre axles.Wherein L2 and L3 can be moved by zoom lens control device, and the distance that moves is respectively D1 and D2, and D1 and D2 meet certain requirement, can realize that the laser facula size changes between the 1-10 millimeter continuously on the retina.
The material of above-mentioned focus lens group 10 is not limited, and the radius of curvature of the lens that comprise is not limited.
In the said apparatus, indirect ophthalmoscope and noncontact mirror constitute the amphiblestroid viewing system in optical fundus.Laser irradiation device 3 is attached on the wear-type indirect ophthalmoscope, and laser is projected on the retina of optical fundus after by the noncontact mirror, forms the laser facula of 1-10 mm dia, can make the laser spot diameter on the retina change continuously between the 1-10 millimeter; Also can make any number or any several numerical value between the laser spot diameter stuck-at--10 millimeter, spot diameter is set according to the size and the growth site of intraocular tumour.The increasing of laser facula has improved the therapeutic efficiency of intraocular tumour greatly.Such as being made as 20mm when focus lens group 10 focal lengths, forming diameter in conjunction with the noncontact mirror is the hot spot of 2mm, intraocular tumour is carried out laser light coagulate treatment and improves 4-5 times than common ophthalmology laser application system on therapeutic efficiency.
Claims (10)
1. wear-type intraocular tumour device for laser therapy, by wear-type fixture (1), indirect ophthalmoscope (2), laser irradiation device (3) and noncontact mirror (4) are formed; Noncontact mirror (4) is a biconvex lens; It is characterized in that: laser irradiation device (3) comprises laser generator (9), be used for laser fiber (13) and laser heddpiece that the outgoing laser beam from laser generator is penetrated; Described laser heddpiece comprises one group of focus lens group (10), is used to change the illuminator (12) of light path and the laser heddpiece shell that holds laser ejecting end, condenser lens and the illuminator of laser fiber; The laser heddpiece of described indirect ophthalmoscope (2) and laser irradiation device (3) is fixed on the wear-type fixture (1); The focal length of focus lens group (10) is 10-100mm, and the focal length of described noncontact mirror (4) is 50mm.
2. wear-type intraocular tumour device for laser therapy according to claim 1 is characterized in that: described laser irradiation device (3) also comprises the zoom adjusting device (11) that can adjust the condenser lens focal length; The focal length of the focus lens group (10) of the described zoom adjusting device scalable laser irradiation device (3) of adjusting the condenser lens focal length changes in the scope of 10-100mm.
3. wear-type intraocular tumour device for laser therapy according to claim 1 and 2, it is characterized in that: described focus lens group (10), constitute by two photocentre axles lens point-blank, wherein a slice is the balsaming lens of a plano-concave mirror and a biconvex mirror, and another sheet is a biconvex lens.
4. wear-type intraocular tumour device for laser therapy according to claim 1 and 2 is characterized in that: described focus lens group (10), form by three photocentre axles biconvex lens point-blank.
5. wear-type intraocular tumour device for laser therapy according to claim 3 is characterized in that: the focal length of the focus lens group (10) of described laser irradiation device (3) is a fixed focal length, and focal length is 20mm.
6. wear-type intraocular tumour device for laser therapy according to claim 4 is characterized in that: the focal length of the focus lens group (10) of described laser irradiation device (3) is a fixed focal length, and focal length is 20mm.
7. wear-type intraocular tumour device for laser therapy according to claim 1 and 2, it is characterized in that: described indirect ophthalmoscope is by lighting source (5), be used to converge the condenser lens (6) of the light of illuminating lamp emission, be positioned at the eyepiece camera lens (7) behind the observation port and change illuminator (8) composition of illumination path.
8. wear-type intraocular tumour device for laser therapy according to claim 3, it is characterized in that: described indirect ophthalmoscope is by lighting source (5), be used to converge the condenser lens (6) of the light of illuminating lamp emission, be positioned at the eyepiece camera lens (7) behind the observation port and change illuminator (8) composition of illumination path.
9. wear-type intraocular tumour device for laser therapy according to claim 4, it is characterized in that: described indirect ophthalmoscope is by lighting source (5), be used to converge the condenser lens (6) of the light of illuminating lamp emission, be positioned at the eyepiece camera lens (7) behind the observation port and change illuminator (8) composition of illumination path.
10. wear-type intraocular tumour device for laser therapy according to claim 5, it is characterized in that: described indirect ophthalmoscope is by lighting source (5), be used to converge the condenser lens (6) of the light of illuminating lamp emission, be positioned at the eyepiece camera lens (7) behind the observation port and change illuminator (8) composition of illumination path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201855305U CN201692149U (en) | 2010-05-10 | 2010-05-10 | Head intraocular tumor laser treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201855305U CN201692149U (en) | 2010-05-10 | 2010-05-10 | Head intraocular tumor laser treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201692149U true CN201692149U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201855305U Expired - Fee Related CN201692149U (en) | 2010-05-10 | 2010-05-10 | Head intraocular tumor laser treatment device |
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| CN (1) | CN201692149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008369A (en) * | 2010-05-10 | 2011-04-13 | 北京大学人民医院 | Head intraocular tumour laser treatment device |
| CN106901833A (en) * | 2017-05-04 | 2017-06-30 | 吉林省科英激光股份有限公司 | A kind of laser therapy hand tool of adjustable spot size |
| CN113974957A (en) * | 2021-11-02 | 2022-01-28 | 北京鹰瞳科技发展股份有限公司 | Lens barrel for fundus massage device and fundus massage device |
-
2010
- 2010-05-10 CN CN2010201855305U patent/CN201692149U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008369A (en) * | 2010-05-10 | 2011-04-13 | 北京大学人民医院 | Head intraocular tumour laser treatment device |
| CN106901833A (en) * | 2017-05-04 | 2017-06-30 | 吉林省科英激光股份有限公司 | A kind of laser therapy hand tool of adjustable spot size |
| CN106901833B (en) * | 2017-05-04 | 2023-08-22 | 吉林省科英医疗激光有限责任公司 | Laser treatment hand tool with adjustable spot size |
| CN113974957A (en) * | 2021-11-02 | 2022-01-28 | 北京鹰瞳科技发展股份有限公司 | Lens barrel for fundus massage device and fundus massage device |
| CN113974957B (en) * | 2021-11-02 | 2023-11-17 | 北京鹰瞳科技发展股份有限公司 | Lens barrel for fundus massage device and fundus massage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20140510 |