CN201179110Y - Beam convergence type laser side-irradiation optical fiber knife head for surgical purposes - Google Patents
Beam convergence type laser side-irradiation optical fiber knife head for surgical purposes Download PDFInfo
- Publication number
- CN201179110Y CN201179110Y CNU2008200743606U CN200820074360U CN201179110Y CN 201179110 Y CN201179110 Y CN 201179110Y CN U2008200743606 U CNU2008200743606 U CN U2008200743606U CN 200820074360 U CN200820074360 U CN 200820074360U CN 201179110 Y CN201179110 Y CN 201179110Y
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- optical fiber
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- quartz socket
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Abstract
The utility model relates to a beam congregating type laser side transmitting optical fiber scalpel head which comprises an optical fiber, a convex glass, a reflecting glass, a quartz sleeve pipe and a protecting layer, wherein, the fiber core end surface of the optical fiber is a plane, the plane of the convex glass is perpendicular to an axial line of the optical fiber, a reflecting surface is a plane, an included angle of the reflecting surface and the axial line of the optical fiber is from 20 to 45 degrees, laser is transmitted from a side front direction presenting 40 to 90 degrees, reflecting film is plated on the reflecting surface according to the wavelength of incident laser and an incident angle, the optical fiber, the convex glass and the reflecting glass are pasted and sealed with the quartz sleeve pipe by sealing glue, a sealing air cavity is formed among the optical fiber, the reflecting glass and the quartz sleeve pipe, the protecting layer is arranged outside the quartz sleeve pipe, and a laser transmitting hole is maintained on the protecting layer. The utility model has the advantages that the beam congregating type laser side transmitting optical fiber scalpel head can congregate the laser into beams according to requirements, the laser power density of the laser and a soft tissue acting point can be effectively increased, the vapourization cutting efficiency of the soft tissue is increased, the optical fiber scalpel head can effectively avoid conglutination by the soft tissue, the difficulty of an operation is reduced, and the service life of the optical fiber scalpel head is prolonged.
Description
(1) technical field
This utility model relates to a kind of medical laser Minimally Invasive Surgery cutter head, particularly a kind of bunching type laser side-shooting optical operation cutter head.
(2) background technology
Laser micro-hurt operation in the human body body cavity application aspect soft tissue vaporization, the excision by people cognition, particularly after high power holmium laser and the appearance of green laser, the laser micro-hurt operation has obtained using widely in the benign prostate hyperplasia treatment more.In the laser micro-hurt operation, the transmission means of laser mainly contains the direct projection mode and side is penetrated two kinds of modes.When laser direct projection mode was worked, laser was to be the transmission of center and the cone-shaped beam with certain angle of divergence with the shaft axis of optic fibre, the tissue of the excision optical tool bit front that is suitable for vaporizing.Though this kind mode optical tool bit is simple in structure, the operation technique difficulty is big when handling chamber, side such as prostate wall soft tissue, and the advantage of laser micro-hurt operation can not be fully played.The laser side-shooting mode then can be aimed at laser energy the tissue of the excision of will vaporizing easily, and operation technique is simple and convenient, better guarantees the operation quality.Traditional lateral type optical fiber operation cutter head is that the fiber end face grinding and polishing is become the inclined-plane, utilize total reflection principle to realize that the laser side direction penetrates, but because the shoot laser angle of divergence can not be adjusted by the Optical Fiber Numerical Aperture decision, cause laser action excessive in the area of tissue, thereby the application point laser energy density is low, tissue vaporization efficient is reduced greatly, for some bigger soft tissues such as prostate etc., then cause operating time long, bring a series of problem to operation.In addition the operation in order to reduce the active area of laser and soft tissue, need to improve energy density, be forced to optical tool bit as far as possible near soft tissue, thereby cause soft tissue and optical fiber adhesion easily, optical tool bit is damaged, so not only cause the waste of material and the raising of medical treatment cost, and limited the application of laser micro-hurt operation.
(3) utility model content
The purpose of this utility model is the problem at above-mentioned existence, provide a kind of and can make laser side-shooting, can compress laser beam divergent angle as required and can effectively improve laser and soft tissue do use laser power density, improve soft tissue vaporization excision efficient, can effectively avoid optical tool bit by the soft tissue adhesion, reduce operation technique difficulty, the extended fiber cutter head bunching type laser side-shooting optical operation cutter head in service life.
The technical solution of the utility model:
A kind of bunching type laser side-shooting optical operation cutter head is characterized in that: be made of optical fiber, convex lens, reflecting mirror, quartz socket tube and protective layer; The fibre core end face of optical fiber is the plane; Between the fibre core end face that convex lens is arranged at optical fiber and the reflecting surface of reflecting mirror and the plane of convex lens is vertical with shaft axis of optic fibre, is used for making the laser pack; The reflecting surface that reflecting mirror is corresponding with the convex surface of convex lens be the plane and with the angle of shaft axis of optic fibre be 20～45 °, the side the place ahead that makes laser be 40～90 ° is penetrated, reflecting surface is according to laser wavelength of incidence and angle of incidence plating reflectance coating; Optical fiber and quartz socket tube fluid sealant adhering and sealing, convex lens and quartz socket tube are bonding with fluid sealant, and reflecting mirror and quartz socket tube are tightly connected, and form an airtight air chamber between optical fiber, reflecting mirror and quartz socket tube; Protective layer is arranged on the outside of quartz socket tube and leaves the laser emitting hole.
A kind of above-mentioned bunching type laser side-shooting optical operation cutter head, it is characterized in that: the fibre core length of optical fiber is 3～5mm.
A kind of above-mentioned bunching type laser side-shooting optical operation cutter head is characterized in that: the focal length of convex lens Optical Fiber Numerical Aperture be 0.22 o'clock be 30～100mm.
A kind of above-mentioned bunching type laser side-shooting optical operation cutter head is characterized in that: reflecting mirror and the quartz socket tube mode of being tightly connected are that the fluid sealant sealing is bonding or with quartz socket tube non-reflecting surface one end of reflecting mirror is wrapped frit seal afterwards entirely.
The utility model has the advantages that: this laser side-shooting optical tool bit can make the laser pack by convex lens as required, can effectively improve laser and soft tissue make the laser power density of use, improve soft tissue vaporization excision efficient, can effectively avoid optical tool bit by the soft tissue adhesion, reduce operation technique difficulty, extended fiber cutter head service life.
(4) description of drawings
Accompanying drawing 2 is bunching type laser side-shooting optical operation cutter head plan structure sketch map.
Among the figure: 1. optical fiber 2. convex lenss 3. fibre core end faces 4. reflecting mirrors 5.
Reflecting surface 6. quartz socket tubes 7. protective layer 8-I,
8-II, 8-III. fluid sealant
9. laser emitting hole 10. air chambers
(5) specific embodiment
Embodiment 1:
A kind of bunching type laser side-shooting optical operation cutter head is made of optical fiber 1, convex lens 2, reflecting mirror 4, quartz socket tube 6 and protective layer 7; The fibre core end face 3 of optical fiber 1 is the plane, and fibre core length is 5mm, makes optical fiber connector shoot laser light beam evenly and avoid polluting fiber end face because of the too high roasting bad fiber optic protection layer of fiber end face temperature; Convex lens 2 is arranged between the reflecting surface 5 of the fibre core end face 3 of optical fiber 1 and reflecting mirror 4 and the plane and optical fiber 1 axis normal of convex lens 2, is used for making the laser pack; The reflecting surface that reflecting mirror 3 is corresponding with the convex surface of convex lens 2 is the plane, the size of the laser side-shooting angle of divergence can be by the focus adjustment of convex lens 2, the focal length of present embodiment convex lens 2 Optical Fiber Numerical Aperture be 0.22 o'clock be 40mm, reflecting surface 5 is 41 ° with the angle of optical fiber 1 axis, reflecting surface 5 makes the area of laser and soft tissue application point less according to laser wavelength of incidence and angle of incidence plating reflectance coating, has improved laser power density, laser beam is side the place ahead ejaculation of 82 °, is convenient to operation technique; Optical fiber 1 is bonding with quartz socket tube 6 usefulness fluid sealant 8-I sealing, convex lens 2 is bonding with quartz socket tube 6 usefulness fluid sealant 8-II, reflecting mirror 4 is bonding with quartz socket tube 6 usefulness fluid sealant 8-III sealing, between optical fiber 1, reflecting mirror 4 and quartz socket tube 6, form an airtight air chamber 10, can effectively protect fiber core end face 3 and reflecting surface 5; Protective layer 7 is arranged on the outside of quartz socket tube 6; it is the protective metal shell of 0.1mm that protective layer 7 adopts thickness; protective layer 7 tightly be enclosed within quartz socket tube 6 and with the surface of optical fiber 1 junction; can improve the intensity of optical fiber operation cutter head and avoid cutter head in operation process, to break or come off; protective layer 7 leaves laser emitting hole 9, and the laser beam that optical fiber 1 penetrates sees through quartz socket tube 6 and penetrates from laser emitting hole 9 after reflecting surface 5 reflections.Present embodiment is in carrying out chamber, side wall operation on soft tissues such as prostate, and result of use is good.
Embodiment 2:
A kind of bunching type laser side-shooting optical operation cutter head, structure and embodiment 1, difference is: fibre core length is 3mm; Reflecting surface 5 is 30 ° with the angle of optical fiber 1 axis; Laser beam is side the place ahead ejaculation of 60 °; Reflecting mirror 4 is the sealing means that non-reflecting surface one end of reflecting mirror 4 wrapped full the back welding with quartz socket tube 6 with the sealing of quartz socket tube 6.
Claims (4)
1. a bunching type laser side-shooting optical operation cutter head is characterized in that: be made of optical fiber, convex lens, reflecting mirror, quartz socket tube and protective layer; The fibre core end face of optical fiber is the plane; Between the fibre core end face that convex lens is arranged at optical fiber and the reflecting surface of reflecting mirror and the plane of convex lens is vertical with shaft axis of optic fibre, is used for making the laser pack; The reflecting surface that reflecting mirror is corresponding with the convex surface of convex lens is that the angle of plane and reflecting surface and shaft axis of optic fibre is 20～45 °, and the side the place ahead that makes laser be 40～90 ° is penetrated, and reflecting surface is according to laser wavelength of incidence and angle of incidence plating reflectance coating; Optical fiber and quartz socket tube fluid sealant adhering and sealing, convex lens and quartz socket tube are bonding with fluid sealant, and reflecting mirror and quartz socket tube are tightly connected, and form an airtight air chamber between optical fiber, reflecting mirror and quartz socket tube; Protective layer is arranged on the outside of quartz socket tube and leaves the laser emitting hole.
2. bunching type laser side-shooting optical operation cutter head according to claim 1, it is characterized in that: the fibre core length of optical fiber is 3～5mm.
3. bunching type laser side-shooting optical according to claim 1 operation cutter head is characterized in that: the focal length of convex lens Optical Fiber Numerical Aperture be 0.22 o'clock be 30～100mm.
4. bunching type laser side-shooting optical according to claim 1 operation cutter head is characterized in that: reflecting mirror and the quartz socket tube mode of being tightly connected are that the fluid sealant sealing is bonding or with quartz socket tube non-reflecting surface one end of reflecting mirror is wrapped frit seal afterwards entirely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200743606U CN201179110Y (en) | 2008-04-09 | 2008-04-09 | Beam convergence type laser side-irradiation optical fiber knife head for surgical purposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200743606U CN201179110Y (en) | 2008-04-09 | 2008-04-09 | Beam convergence type laser side-irradiation optical fiber knife head for surgical purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201179110Y true CN201179110Y (en) | 2009-01-14 |
Family
ID=40248613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200743606U Expired - Lifetime CN201179110Y (en) | 2008-04-09 | 2008-04-09 | Beam convergence type laser side-irradiation optical fiber knife head for surgical purposes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201179110Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333484A (en) * | 2009-02-27 | 2012-01-25 | 贝克曼考尔特公司 | Has the incident fluoroscopic examination instrument of quadrature laser |
| CN104950395A (en) * | 2014-03-31 | 2015-09-30 | 北京自动化控制设备研究所 | Optical fiber end surface reflecting mirror packaging method |
| US9861427B2 (en) | 2012-01-20 | 2018-01-09 | Koninklijke Philips N.V. | Electro-surgical system, an electro-surgical device, and a method for operating an electro-surgical system |
| CN110531461A (en) * | 2018-05-25 | 2019-12-03 | 北京华夏光谷光电科技有限公司 | Medical laser optical fiber is penetrated in side |
| CN111491594A (en) * | 2017-12-12 | 2020-08-04 | 爱尔康公司 | Thermally robust laser probe assembly |
-
2008
- 2008-04-09 CN CNU2008200743606U patent/CN201179110Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333484A (en) * | 2009-02-27 | 2012-01-25 | 贝克曼考尔特公司 | Has the incident fluoroscopic examination instrument of quadrature laser |
| CN102333484B (en) * | 2009-02-27 | 2014-07-16 | 贝克曼考尔特公司 | Fluorescence detection instrument with orthogonal laser entry |
| US9861427B2 (en) | 2012-01-20 | 2018-01-09 | Koninklijke Philips N.V. | Electro-surgical system, an electro-surgical device, and a method for operating an electro-surgical system |
| CN104950395A (en) * | 2014-03-31 | 2015-09-30 | 北京自动化控制设备研究所 | Optical fiber end surface reflecting mirror packaging method |
| CN104950395B (en) * | 2014-03-31 | 2018-02-09 | 北京自动化控制设备研究所 | A kind of optical fiber end face reflector method for packing |
| CN111491594A (en) * | 2017-12-12 | 2020-08-04 | 爱尔康公司 | Thermally robust laser probe assembly |
| CN110531461A (en) * | 2018-05-25 | 2019-12-03 | 北京华夏光谷光电科技有限公司 | Medical laser optical fiber is penetrated in side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090114 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Tiankun Photoelectric Tech Co., Ltd., Tianjin City Document name: Notification of Expiration of Patent Right Duration |
|
| DD01 | Delivery of document by public notice |