CN2860438Y - Abscission/hemostasia double-function ophthalmological/surgical laser operation apparatus - Google Patents
Abscission/hemostasia double-function ophthalmological/surgical laser operation apparatus Download PDFInfo
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- CN2860438Y CN2860438Y CN 200520108608 CN200520108608U CN2860438Y CN 2860438 Y CN2860438 Y CN 2860438Y CN 200520108608 CN200520108608 CN 200520108608 CN 200520108608 U CN200520108608 U CN 200520108608U CN 2860438 Y CN2860438 Y CN 2860438Y
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Abstract
The utility model discloses a surgical laser surgery device with a dual-function of cutting and hemostasia, which comprises three main parts: a laser which controlled by the computer, a mode changer and a transmission device, wherein the mode changer is connected to the output optical path of the laser, and the transmission device is connected to the output optical path of the mode changer; the laser outputs the ultra violet or infrared light and the mode changer is a optical device to change the optical parameters of the output light, further the output light transmits the laser energy to the surface of the soft tissues of the surgical site through an energy transmission device. The laser is pulsed or continuous wave, with the wavelength of 0.19-10.6 microns, the pulse width of 3 nanoseconds to 700 microseconds and the laser repetition rate of 5-500 Hz. The adjustable output power is about 0.05-20 watts. The transmission device uses the optical fiber, articulated arm or scanning device to transmit the laser energy to the soft tissue surface of the surgical site. 'Single laser, dual-function' provided by the utility model has many advantages on the technology, function, system maintenance, cost and so on in the surgery and the ophthamic surgery.
Description
Technical field
This novel a kind of ophthalmology and surgery laser equipment of relating to, in order to treatment glaucoma, presbyopia, eye pouch excision and other surgeries, otorhinolaryngology and the department of stomatology, department of neurology or brain section microsurgery, relate in particular to a kind of excise and stop blooding difunctional ophthalmology and surgery laser surgery apparatus.
Background technology
The laser that uses for the surgery cosmetic surgery is applied to ophthalmologic operation in recent years, contains in the operations such as the treatment of glaucoma, presbyopia and eye pouch excision.These operations can't be avoided bleeding, and generally use the hemostasis of bipolar electrode haemostat or visible light laser (inferior ion), and operation process is consuming time, can't carry out not easy to operate simultaneously because of excision and hemostasis again.
Summary of the invention
The purpose of this utility model is to improve deficiency of the prior art, and a kind of excise and stop blooding difunctional ophthalmology and surgery laser surgery apparatus are provided.
The purpose of this utility model is achieved in that
Comprise three parts: laser instrument, moding device and the transmitter of computer control, described moding device is connected on the output light path of described laser instrument, and described transmitter is connected on the output light path of described moding device; Described laser instrument is the laser instrument of output ultraviolet or infrared light, and described moding device is the Optical devices that change its output optical parameter.
Described laser instrument is that pulse or continous way are luminous, and wavelength is 0.19 to 10.6 micron (micron), and how second is to 700 microseconds for pulse width 3, and laser repetition rate is (5-500) hertz approximately; Adjustable output is (0.05-20) watt approximately.
Do the time spent when laser light and soft tissue (soft tissue " ST "), two kinds of probabilities are arranged: cutting pattern (Ablation cutting mode " AM ") or heat effect pattern (coagulation, heating mode, " CM ").These AM or CM pattern be by the energy density (Energy per unit area, or " fluency " F) of laser height and peak power (peak power, " P ") decision thereof, P=E/T wherein, and E is an energy in the formula, T is a laser pulse width.And F=E/A, A is the laser facula area.Therefore the transformation (abbreviating mode control or " moding " as) of AM and CM can may mode be finished via following: change laser light parameter energy content (E), spot size (R), power peak (P) or its wavelength, because of the absorbance (B) of wavelength decision ST.AM requires E, and P, B want big, but T and R are little, otherwise then is the CM pattern.This two modes also determines via the energy or power " TH " value (being that Threshold is the meaning of " threshold ") of laser and ST effect.As cutting (AM) pattern, require laser E or P 1.2 to 5 times, (because of cutting speed requires to decide) for its TH value.As hemostasis (CM) pattern, then need be lower than this value.
Described moding device can change the output energy density or the power of laser with being to select AM or CM pattern:
Wherein transmitter uses optical fiber (optical fiber), mechanical hand (articulated arm) or scanning device (scanning device) transmission laser light energy art in one's hands position soft tissue surfaces.This novel use computer control laser device is treated start and end time, and uses the bright dipping of foot switch control laser optical shutter.
Described moding device can be non-linear multi-wavelength crystal combination; It connects one and selects ondometer, connects lens or battery of lens on this output light path.And by selecting ondometer to select output wavelength.Via arbitrary or its compound mode that above-mentioned this moding device provides, reach cutting or stop blooding difunctional.
The excision that this utility model provides and stop blooding difunctional ophthalmology and surgery laser surgery apparatus are to use a kind of New-type bifunctional laser light surgery apparatus by the technical scheme that described moding device adopts, providing so, " single laser is difunctional " provides multinomial advantage as surgery and ophthalmologic operation (as above-mentioned application) at aspects such as technology, function, system maintenance and costs.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 and Figure 1A-1I shows the difunctional laser surgery instrument system of this utility model sketch:
Fig. 2 A and 2B show the schematic diagram that embodiment 3 laser instrument bright dipping hot spots become with itself and operative site surface distance.
The specific embodiment
Embodiment 1:
As shown in Figure 1, the light-emitting window coupling of laser instrument 1 connects moding device 3, and the light-emitting window coupling of moding device 3 connects energy transmitter 5.Laser instrument 1 output has certain wavelength laser 2, and via exporting light 4 after the moding device 3, again via an energy transmitter 5, the transmission laser energy is to the soft tissue surfaces at operation position 6.
Laser instrument shown in the figure 1 is gas or solid state laser, as solid state laser, laser crystal wherein can be the inferior Lopa Nationality (YAG) or the YSGG (YSGG) of ginseng erbium (Er), also can be excimer laser (ArF, XeCl) the outer micron of high frequency multiplication solid violet (0.2-0.3) micron laser instrument, as gas laser, can be carbon dioxide laser or excimer laser (ArF, XeCl), the laser that sends can be that pulse or continous way are luminous, wave-length coverage is ultraviolet light (0.19-0.36) or infrared light (2.7-3.2), (9.6-10.6) micron (micron), how second (ns) is to 700 microseconds (us) for pulse width about 3, the laser instrument repetition rate is (5-500) hertz approximately, laser instrument goes out optical output power (0.05-5.0) watt (using the mould as CM) or (0.2-20.0) watt (using the mould as AM), and single pulse energy is (0.1-30) milli burnt (ophthalmic), or (1.0-500) milli burnt (other surgeries use).
In the present embodiment, transmitter 5 is a software controller X-Y twin shaft scanning device (scanner), as scanning device, is the interface that is its light entrance connected with the light-emitting window coupling of moding device? please see Figure H part or mechanical hand (articulated arm) transfer arm in 1, it is that more piece (at least two joints) is movable, be about (50-100) centimetre, and use at least two transfer arms that whether violet wavelength (0.19-0.36) micron are installed in transmitter for lens set (not shown) lens set of (more than 98%) high reflection plated film in the cavity, shown in Fig. 1 I.For scanner, lens set is installed on light path, is miter angle, shown in Fig. 1 H.Also can be the optical fiber of an infrared light transmission, be about (50-200) centimetre, be the releasable connection structure between " minor details " of transfer arm or optical fiber and other adjacent sections, can take off, sterilization is reused.Foot switch 7 is used for controlling the time of output rayed operative site among Fig. 1.
Embodiment 2:
Shown in Figure 1A-1E among Fig. 1, moding device 3 can comprise the component sets of following five kinds of parallel connections:
A is located at the battery of lens 3 that lens 11 on the light path and lens 12 constitute, the length of regulating the focal length of lens (the non-laser focal of this focal length) by this battery of lens 3 changes between (0.2-2.0) rice, can be adjusted at spot size (0.2-2.0) mm (referring to Fig. 2 A and 2B) of the laser 4 of operative site;
B is the Q-switch of being located on the light path 13 (Q-switch is a conventional components of the prior art), changes the pulse width (T) of laser, can be continuously (CW) or pulsed output light 4;
C is located at energy on the light path or power regulator 14 (it is a conventional components of the prior art, all has open at the laser textbook) change laser 4 via the input high pressure power or energy;
D is the optical filter of being located on the light path 15, and changing described moding device can be non-linear multi-wavelength crystal combination; It connects one and selects ondometer, connects lens or battery of lens on this output light path.And by selecting ondometer to select output wavelength.Via arbitrary or its compound mode that above-mentioned this moding device provides, reach cutting or stop blooding difunctional.Become the energy that sees through of laser 4;
E is nonlinear crystal combination 16 (multi-wavelengths of being located on the light path), connects thereafter and selects ondometer 17, by selecting ondometer 17 to select the laser 4 of output wavelength;
Arbitrary or its compound mode via above-mentioned moding device 3 provides is exemplified below:
Example 1: light filter 15 can be added to and constitute described moding device after the battery of lens 11,12 and see Fig. 1 F;
Example 2: light filter 15 also can cooperate power regulator 14 and Q-switch 13 usefulness; Q-switch 13 is when operating conditions, and output light is pulsed, and as the AM pattern, and Q-switch when power is turned down simultaneously, promptly can be used as the CM pattern when non-operation when power is heightened for it.
Example 3: shown in Fig. 1 G, the moding device is non-linear multi-wavelength crystal combination 16; It connects one and selects ondometer 17, connects lens or battery of lens 11 on this output light path.And by selecting ondometer to select output wavelength.Via arbitrary or its compound mode that above-mentioned this moding device provides, reach cutting or stop blooding difunctional.For example select ondometer 17, choose green glow (532nm) and can be used as the CM pattern, can be used as the AM pattern and choose ultraviolet light (212-266nm), and on being controlled at of both output energy or power-TH-value or under also can cooperate Figure 1A, 1C or 1D in the above-mentioned moding device to reach.
Mould limit implement body to a therapy equipment of above-mentioned five kinds of structures can choose one, two kind make up, be not 5 kinds of full usefulness, can reach the selection of difunctional (AM or CM pattern).This moding device or via the control of hands or foot control.Wherein Q-switch and energy work rate are predeterminable, also can hand adjustment in operation process.When hands or foot control system, need to be connected to this Q-switch via line switching.
Embodiment 3:
Shown in Fig. 2 A, moding device 3 is the poly-battery of lens of poly-lens or a plurality of poly-lens combinations, this moding device can cause spot size to change by the change of poly-lens position and the power of light changes, when operative site surface 6 presents AM pattern (cut mode) during near focal length (F), be declined to become CM pattern (hemostasis pattern) and leave its energy density of F point.
Shown in Fig. 2 B, optical fiber 20 output light are to be dispersed, the form of similar Fig. 2 A, the distance on its optical fiber connector of user may command and operative site surface 6 and reach AM or the transformation of CM effect.
This is novel not to be subject to above-mentioned specific embodiment, and one of arbitrary moding device function or its combination all can reach difunctional effect among embodiment 2 and the embodiment 3.
Claims (10)
1, a kind ofly excises and stops blooding difunctional ophthalmology and surgery laser surgery apparatus, it is characterized in that: comprise three parts: laser instrument, moding device and the transmitter of computer control, described moding device is connected on the output light path of described laser instrument, and described transmitter is connected on the output light path of described moding device; Described laser instrument is the laser instrument of output ultraviolet or infrared light, and described moding device is the Optical devices that change its output optical parameter.
2, difunctional surgery apparatus as claimed in claim 1 is characterized in that: described laser instrument is a solid state laser; Or the outer 0.2-0.3 laser micrometer of high frequency multiplication solid violet; Or gas laser.
3, difunctional surgery apparatus as claimed in claim 2 is characterized in that: described solid state laser, laser crystal wherein are inferior Lopa Nationality (YAG) or the YSGG YSGG of ginseng erbium Er.
4, difunctional surgery apparatus as claimed in claim 2 is characterized in that: described gas laser is a carbon dioxide laser, or excimer laser.
5, difunctional surgery apparatus as claimed in claim 1 is characterized in that: this laser instrument output light wavelength scope is a ultraviolet light 0.19-0.36 micron, or infrared light 2.7-3.2, or infrared light 9.6-10.6 micron, and how second is to 700 microseconds for pulse width 3.
6, difunctional surgery apparatus as claimed in claim 1 is characterized in that: this moding device is its focal length 0.2-2.0 rice for a change, or at the spot diameter of operative site one group of lens at the 0.2-2.0 millimeter; Or change its pulse width T and it is become continuously or the Q-switch of pulsed output; Or via importing the energy work rate adjustor that high pressure changes energy; Or change the optical filter that it sees through energy.
7, difunctional surgery apparatus as claimed in claim 1 is characterized in that: this transmitter is an optical fiber, or mechanical hand, or scanning device.
8, difunctional surgery apparatus as claimed in claim 1 is characterized in that: described moding device is non-linear multi-wavelength crystal combination; It connects one and selects ondometer, connects lens or battery of lens on this output light path.
9, difunctional surgery apparatus as claimed in claim 1 is characterized in that: described laser instrument is pulse or the luminous laser instrument of continous way.
10, difunctional surgery apparatus as claimed in claim 1 is characterized in that: this moding device is the assembly that one group of lens, Q-switch, energy work rate adjustor, optical filter and non-linear multi-wavelength crystal made up, selected one or more parts in the ondometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108608 CN2860438Y (en) | 2005-06-02 | 2005-06-02 | Abscission/hemostasia double-function ophthalmological/surgical laser operation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108608 CN2860438Y (en) | 2005-06-02 | 2005-06-02 | Abscission/hemostasia double-function ophthalmological/surgical laser operation apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN2860438Y true CN2860438Y (en) | 2007-01-24 |
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| CN 200520108608 Expired - Fee Related CN2860438Y (en) | 2005-06-02 | 2005-06-02 | Abscission/hemostasia double-function ophthalmological/surgical laser operation apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708546A (en) * | 2016-04-05 | 2016-06-29 | 鞍山英杰华科技有限公司 | Laser scalpel pen |
| CN108175499A (en) * | 2017-12-08 | 2018-06-19 | 湖北工业大学 | A kind of dual-wavelength laser operation device |
-
2005
- 2005-06-02 CN CN 200520108608 patent/CN2860438Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708546A (en) * | 2016-04-05 | 2016-06-29 | 鞍山英杰华科技有限公司 | Laser scalpel pen |
| CN108175499A (en) * | 2017-12-08 | 2018-06-19 | 湖北工业大学 | A kind of dual-wavelength laser operation device |
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| Date | Code | Title | Description |
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| 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: 20070124 Termination date: 20110602 |