CN208769988U - A kind of hand-held device generating smog when reducing laser action tissue - Google Patents
A kind of hand-held device generating smog when reducing laser action tissue Download PDFInfo
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- CN208769988U CN208769988U CN201820295048.3U CN201820295048U CN208769988U CN 208769988 U CN208769988 U CN 208769988U CN 201820295048 U CN201820295048 U CN 201820295048U CN 208769988 U CN208769988 U CN 208769988U
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Abstract
A kind of hand-held device generating smog when reducing laser action tissue, is suitable for surgical operation；For three-port structure, first nozzle of three-port structure is the optical fiber insert port for being inserted into optical fiber, and second nozzle is the physiological saline input port for connecting water injection pipe, and third nozzle connects the tail end of a lumen, and there is front opening in the front end of the lumen.By injecting cold saline, the waste heat supply temperature generated after optical fiber head end is contacted with tissue can be reduced, optical fiber spontaneous combustion probability is reduced, carbonized is reduced and generates a large amount of smog, increase cold saline flow, also flushable tissue surface；The manual switch that hand-held device has can make before emitting superlaser, and cold saline is first flowed out from laser fiber surrounding, and cold saline stops flowing out again after laser stops release.The utility model, which can be realized, no longer largely generates charing smog when high power laser light and biological tissue interact；Flushable tissue surface simultaneously, can also reduce optical fiber spontaneous combustion probability in laser high-power output.
Description
Technical field
The invention belongs to the field of medical instrument technology, in particular to generate smog when one kind can reduce laser action tissue
Hand-held device.
Background technique
When superlaser affected tissues, the light wave for carrying high energy is delivered to tissue surface, tissue resorption laser energy is main
Generate two effects:
1. photothermal acts on: central area energy is concentrated and is gasified, and all the components in tissue all can be straight by solid
It connects and becomes gas, with very big rate projects and leaves a pitfall region, this region surface layer is constantly carbonized rapidly, i.e. group hair-weaving
Raw dry necrosis, blood and plasma protein solidification, form brownish black carbide.Although Near tissue receiving is transmitted to therewith
There is protein thermocoagulation in high fever, its visible lower higher depth of histological observation occurs self-dissolving and decomposes, then depths is inflammation district, this
Kind thermocoagulation necrosis is uniformly that the cell of solidification zone is escaped by luck almost without one, and thermotropic tissue coagulation effect can stop blooding, but carbon
Compound is discharged with gasification into environment, forms toxic smog.In addition, thermotropic vaporization phenomenon is also shown, due in tissue
Containing a large amount of water, the boiling at 100 degree.When tissue receives energy when more than 100 degrees Celsius, the water of intraor extracellular can be anxious
Play vaporization is broken through cell and tissue and is released, and takes away some cell fragments, and before tissue is not carbonized also, naked eyes are visible white
Color smog.
2. photic pressure action: laser instantaneous power density is larger, laser can by little energy (several J to tens J),
Space (milliradian) high concentration of (10-9-10-12 seconds) in a short period of time, very little is got up, and high pressure effect is generated.Swash
There are two types of the pressure actions that light irradiation generates: one is the radiation pressures of laser itself to be formed by pressure, referred to as a pressure.
Although the radiation pressure of laser itself is very faint, energy is quite concentrated, and pressure is considerable.Another laser action
After biological tissue, secondary secondary pressure can be generated, this is because light laser acts in biological tissue, in addition to optical pressure, also
There is steam flow recoil to hit, interior evaporation pressure thermally expands, caused by the factors such as excess sound pressure and electrostriction pressure.
Clinically, it is applied for a long time using the Pressure effects of laser in surgery, in early days such as the anterior chamber angle of the glaucoma of ophthalmology
The laser of laser boring treatment, cataract is cut, vitreous organization rope laser ablation etc..With scientific and technical further hair
Exhibition, current a variety of lasers are excellent in surgical field application performance, as LASIK refractive surgery is diagonal using excimer laser
Theca cell successively gasify polishing, optical-fiber laser (Thulium lasers) under alimentary canal morning cancer endoscopic mucosal finely remove (ESD), high power
Nd:YAG Solid State Laser carries out non-anatomical excision etc. to lungs, in addition, there are also the contacts using connection synthetic sapphire cutter head
Formula semiconductor laser cuts the vaporization of brain tissue.
With scientific development, medical laser energy level also increases, and laser has this good characteristic, should not be limited to fine
Operation should also play a role in the surgical procedures of large scale, such as cutting of big organ, hemostasis operation.
The laser cutting of big organ, is different from mentioned-above several accurate operations, there are certain requirements, mention to cutting efficiency
High energy of lasers rank is remarkably improved cutting efficiency, but can also greatly reinforce photothermal effect, not only generates more
Toxic carbonization smog, can also make tissue thermocoagulation volume increase, increase body recovery burden.
In addition, laser fiber is imported adjacent tissue, no matter contact or non-contact tissue discharge laser, naked fibre port is difficult
Tissue calving clast is avoided contact with, clast absorbs high energy, and heat is transferred to light-conductive optic fibre, i.e., can absorb big energy in moment,
If energy is not evacuated (contact tissue simultaneously be absorbed by tissue) in time, or infusion energy does not reduce, then optical fiber head easily heat waste is very
To melting, optical fiber burning occurs.There is experiment display using 400 μm of optical fiber in CO2Under pneumoperitoneum environment, when mean power is higher than 30W
Optical fiber also incendivity.
Tissue is cut using superlaser under the water environment of circulation, can avoid above-mentioned drawback: not generating carbonization
I.e. non smoke generates；It is heated to reduce surrounding tissue conduction；Fiber optic tip waste heat is reduced, optical fiber is nonflammable.Therefore, Digestive
System, urinary system carry out laser operations under water environment.Gastrovascular cavity, urinary tract cavity space are limited, the physiology salt of top-off cycle
Water is easier, however to some organ of abdominal cavity laser operations to be carried out, entire abdominal cavity is fallen into not existing in the water environment of circulation
It is real.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide one kind can reduce laser action tissue
When generate the hand-held device of smog, medical laser naked fibre can be carried, and low-temperature normal saline can be exported from optical fiber surrounding, be reached
The effect not played the same tune on different musical instruments to " optical fiber-tissue target area " in circulation water environment.So that high power laser light and biological tissue's phase
Charing smog is no longer largely generated when interaction；Flushable tissue surface simultaneously, also can reduce light in laser high-power output
The probability that fibre burns.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of hand-held device generating smog when reducing laser action tissue, which is characterized in that be three-port structure, threeway
First nozzle of structure is the optical fiber insert port 1 for being inserted into optical fiber, and second nozzle is the physiological saline for connecting water injection pipe
Input port 2, third nozzle connect the tail end of a lumen, and there is front opening 4 in the front end of the lumen.It is settable outside lumen to hold
Handle.
The hand of the transmitting and closing and the outflow of physiological saline and closing for controlling laser is provided on the lumen
Control switch 3.
The manual switch 3 is without self-locking touch-switch or microswitch, and the manual switch 3 can be without self-locking function
The touch-switch or microswitch of energy, switch internal include two sets of circuit connection systems, and successively connection unlatching is given birth to after pressing switch
It manages salt water access valve and issues the signal path of laser open command, the paths connected in series one of capable of emitting laser open command signal
Miniature signal lamp, signal lamp is lighted after laser is opened, and trip switch can stop generating the start command signal of transmitting laser, and
Physiological saline access valve is set to invert and close.Specifically:
The process for opening manual switch 3, first connects no lamp access, and physiological saline channel valve can be made to open, and emits high energy
Before laser, the cold saline first laser fiber surrounding outflow from front opening 4；
The process of manual switch 3 is closed, first disconnecting strip signal lamp access can make laser stop transmitting, last physiological saline
Access valve reset, cold saline stop flowing out again.
During manual switch 3 in described device presses unlatching, the circuit first connected makes the valve in physiological saline channel
Door obtains the movement that instruction is opened, laser fiber surrounding outflow of the cold saline from front opening 4, manual switch 3
The circuit for pressing the signal lamp that makes to take a message completely is connected and issuing instruction opens laser；The manual switch 3 unclamps the process closed
In, band signal circuit for lamp first disconnects, and laser open command signal is stopped paying out, and laser shutdown manual switch is totally released, physiological saline
Valve on access restores initial lead, and closing motion occurs, and cold saline stops outflow.
The design feature of the manual switch 3 is, it can be achieved that switch presses cold saline in opening procedure and first flows out and swashs afterwards
Light is restarted, and keeps the signal lamp of switch bright in laser start-up course, and switch, which unclamps laser in closing process, first to be stopped being emitted into
And cold saline stops flowing out again.
Point-blank with front opening 4, the inclination of physiological saline input port 2 is set the optical fiber insert port 1 towards front end
It sets.
The lumen total length is about 9-13 centimetres, and diameter is about 0.9-1.2cm, to facilitate grip, the front opening 4
Opening diameter be about 0.9-1.5mm, and it is 0.2-0.4 millimeters thicker than corresponding bare optical fiber diameter.
The optical fiber insert port 1 and physiological saline input port 2 are medical female Luer, and support is screwed on and grafting.
The optical fiber insert port 1 can be screwed on the rubber caps such as calparine cap, and optical fiber penetrates rubber layer and enters lumen when use；It is described
Physiological saline input port 2 can be screwed on infusion apparatus, the saline injection into hand-held device, flow into lumen.
The reduced diameter of 4 forward end of front opening is in fusiform.
Device overall material be medical high polymer material or medical metal/alloy material, can receive include high-temperature steam,
Health care disinfection way including ethylene oxide, low-temperature plasma.
Compared with prior art, the beneficial effects of the present invention are:
1, the hand-held device that smog is generated when one kind of the invention can reduce laser action tissue, can use high power laser pair
Human organ tissue carries out the high efficiency cutting of large scale and avoids generating charing smog；
2, the hand-held device that smog is generated when one kind of the invention can reduce laser action tissue injects cold from water injection interface
Physiological saline flows out along optical fiber, can reduce the waste heat that laser generates in optical fiber transmission process, especially fiber optic tip, effectively
It avoids burning；Low-temperature normal saline constantly persistently flows out, and can also reduce and organize to be caused by energy transmission in addition to target region
Hot correlation effect, reduce restore burden；Increase physiological saline flow, also flushable operation target area field surface；
3, the hand-held device that smog is generated when one kind of the invention can reduce laser action tissue, superlaser is introduced into
The cutting operation of big organ large scale, has not only widened application range of the laser in surgical operation, has also greatly improved operation
Efficiency simultaneously improves surgical effect.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is manual switch structural schematic diagram.
Fig. 3 is manual switch structural schematic diagram.
Fig. 4 is circuit diagram in manual switch box.
In figure:
1, optical fiber insert port；2, physiological saline input port；3, manual switch；4, front opening；5, binding post；6, wiring
Column；7, switch enclosure；8, the miniature signal lamp of button；9, switch contact；10, switch contact.
Specific embodiment
Purpose, technical solution and its effect to facilitate the understanding of the present invention, now will in conjunction with the embodiments to the present invention do into
One step elaborates.
The present invention is the hand-held device that smog is generated when one kind can reduce laser action tissue, suitable for opening abdomen surgery behaviour
Make, the hand-held device of smog is generated when can reduce high power laser light affected tissues, it can be achieved that high power laser light and biological tissue's phase
Charing smog is no longer largely generated when interaction；Flushable tissue surface simultaneously, also can reduce light in laser high-power output
The probability that fibre burns.
As shown in Figure 1, the hand-held device is the three-port structure of one long lumen of band, first nozzle of three-port structure is to use
In the optical fiber insert port 1 of insertion optical fiber, second nozzle is the physiological saline input port 2 for connecting water injection pipe, 1 He of optical fiber insert port
Physiological saline input port 2 is medical female Luer, and support is screwed on and grafting.Third nozzle connects the tail end of the lumen, pipe
Manual switch 3 is provided on chamber, there is front opening 4 in the front end of lumen, and the reduced diameter of 4 forward end of front opening is in shuttle
Shape.Device overall material is medical high polymer material or medical metal/alloy material, can receive to include high-temperature steam, epoxy
Health care disinfection way including ethane, low-temperature plasma.
Wherein, point-blank, the inclination of physiological saline input port 2 is set towards front end for optical fiber insert port 1 and front opening 4
It sets.
Lumen total length is about 9-13 centimetres, and diameter is about 0.9-1.2cm, to facilitate grip, the opening of front opening 4
Diameter is about 0.9-1.5mm, and 0.2-0.4 millimeters thicker than corresponding bare optical fiber diameter.
Hand-held device has different model, and difference is that the size of front opening 4, each model correspond to a kind of diameter, can
It is applicable in current common a variety of type optical fiber such as 400 μm, 600 μm, 800 μm, 1000 μm of core diameter；
Optical fiber insert port 1 can be screwed on the rubber caps such as calparine cap, and optical fiber penetrates rubber layer and enters lumen when use, and by front end
Opening 4 is pierced by；Physiological saline input port 2 can be screwed on infusion apparatus, the saline injection into hand-held device, flow into lumen, and by
Front opening 4 flows out.
With reference to Fig. 2, Fig. 3 and Fig. 4, manual switch 3 can be the elastic switch without self-locking function, including a switch enclosure
7, there is two lines road in parallel in switch enclosure 7, a binding post 5 is respectively set in the both ends of route one, and centre series connection two is opened
Contact 9 is closed, a binding post 6 is respectively set in the both ends of route two, and centre two switch contacts 10 of series connection and a button are miniature
Signal lamp 8, two binding posts 5 are connected with the valve of control physiological saline respectively, that is, route one is for being connected control physiological saline
Valve；And two binding posts 6 are connected with the signalling means of control main laser firing order respectively, that is, route two is for being connected control
The signalling means of main laser firing order processed.
In mechanical structure, after the button part of manual switch 3 presses, circuitry contacts 9 are first switched on, and are pressed completely
After lower, circuitry contacts 10 are connected.
The process of transmitting and closing and the outflow of physiological saline and the closing of the control laser of manual switch 3 is as follows:
Manual switch 3 is pressed without self-locking function, that is, opens the process of manual switch 3, and circuitry contacts 9 are first connected,
The valve opening for the control physiological saline being connected with binding post 5, cold saline are first circulated from the laser fiber four of device head end
Out, after microswitch presses completely, circuitry contacts 10 are connected, the letter for the control main laser firing order being connected with binding post 6
The operation of number device, laser are opened, and the miniature signal lamp 8 on Simultaneous Switching button is lighted.
Manual switch 3 is unclamped, laser controlling access first disconnects, and switch button signal lamp 8 goes out, and laser stops transmitting, finally
Control physiological saline valve passage is disconnected and is resetted, and closes cold saline channel, it is ensured that the transmitting of laser has been necessarily in
The environment of flowing water.
When optical fiber insertion tube is intracavitary, physiological saline can also be wrapped in optical fiber surrounding, since optical fiber insert port 1 has rubber layer resistance
Gear, physiological saline can only be from hand-held device front end along optical fiber, and flows out by optical fiber front end from front opening 4.
After connecting components, tissue is operated using the hand-held device, it is first during manual switch 3 is turned on
Physiological saline pipeline can be first opened, physiological saline flows down rear laser along fiber optic tip from front opening 4 and opens；
In operating process, fiber optic tip release laser and function of organization, lasting physiological saline not can be reduced central target region
Tract tissue absorbs the energy of superlaser and the photic pressure action that generates and is split from but can be reduced what central target region domain was adjoined
The damage excessive by high-energy is organized, and still can produce a degree of tissue coagulation effect, i.e., while tissue is cut
Still there is haemostatic effect；
Lasting physiological saline can prevent central target region tract tissue absorb superlaser energy and the coking that generates,
Prevent the generation of carbonization smog；
Terminate once-through operation, the process that manual switch 3 is closed is that water route is cut off in the transmitting of first stopping laser again；
Further narration is done to the present invention above in conjunction with embodiment, but present invention is not limited to the embodiments described above,
Within the knowledge of one of ordinary skill in the art, it can also make without departing from the purpose of the present invention
Various change.
Claims (10)
1. one kind generates smog hand-held device when can reduce laser action tissue, which is characterized in that be three-port structure, threeway knot
First nozzle of structure is the optical fiber insert port (1) for being inserted into optical fiber, and second nozzle is the physiological saline for connecting water injection pipe
Input port (2), third nozzle connect the tail end of a lumen, and the front end of the lumen has front opening (4).
2. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that described
The manual switch (3) of the transmitting and closing and the outflow of physiological saline and closing for controlling laser is provided on lumen.
3. generating the hand-held device of smog when can reduce laser action tissue according to claim 2, which is characterized in that described
Manual switch (3) on device is successively to connect unlatching physiological saline after pressing switch without self-locking touch-switch or microswitch
Access valve and the signal path for issuing laser open command, release can make the reversion of physiological saline access valve reset and close
It closes, and stops generating the start command signal of transmitting laser.
4. generating the hand-held device of smog when can reduce laser action tissue according to claim 2, which is characterized in that described
During manual switch (3) on device presses unlatching, the circuit first connected instructs the valve in physiological saline channel
The movement opened, for cold saline from the laser fiber surrounding outflow at front opening (4), manual switch (3) is further
It presses completely, the circuit for being connected to generate the signalling means of Laser emission instruction is connected, and laser issues superlaser and through optical fiber
It mediates, laser energy is discharged from the naked end of laser fiber at front opening (4), and connection Laser emission refers to inside manual switch (3)
The circuit one miniature signal lamp of series connection of the signalling means of order, signal lamp is remain on state when superlaser emits；The manual control is opened
During closing (3) release closing, tally circuit is first disconnected, and the command signal that laser is opened is stopped paying out, and superlaser is closed, then
It is totally released to manual switch (3), the circuit for switching the valve on interior connection physiological saline access restores initial lead, valve hair
Raw to reset and start closing motion, cold saline finally stops flowing out.
5. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that described
Point-blank, physiological saline input port (2) inclination is arranged towards front end for optical fiber insert port (1) and front opening (4).
6. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that described
Lumen total length is about 9-13 centimetres, and diameter is about 0.9-1.2cm, to facilitate grip, the opening diameter of the front opening (4)
About 0.9-1.5mm, and it is 0.2-0.4 millimeters thicker than corresponding bare optical fiber diameter.
7. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that described
Optical fiber insert port (1) and physiological saline input port (2) are medical female Luer, and support is screwed on and grafting.
8. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that described
Optical fiber insert port (1) is screwed on calparine cap, and optical fiber penetrates rubber layer and enters lumen when use；Physiological saline input port (2) rotation
Infusion apparatus is connect, the saline injection into hand-held device flows into lumen.
9. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that described
The reduced diameter of front opening (4) forward end is in fusiform.
10. generating the hand-held device of smog when can reduce laser action tissue according to claim 1, which is characterized in that dress
Set overall material be medical high polymer material or medical metal/alloy material, can receive include high-temperature steam, ethylene oxide,
Health care disinfection way including low-temperature plasma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820295048.3U CN208769988U (en) | 2018-03-02 | 2018-03-02 | A kind of hand-held device generating smog when reducing laser action tissue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820295048.3U CN208769988U (en) | 2018-03-02 | 2018-03-02 | A kind of hand-held device generating smog when reducing laser action tissue |
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| CN208769988U true CN208769988U (en) | 2019-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354666A (en) * | 2018-03-02 | 2018-08-03 | 西安交通大学医学院第附属医院 | A kind of hand-held device generating smog when reducing high power laser light affected tissues |
| CN113069203A (en) * | 2021-03-23 | 2021-07-06 | 江西麦帝施科技有限公司 | Stepped temperature working system and method for surgical tool bit of laser surgical system |
-
2018
- 2018-03-02 CN CN201820295048.3U patent/CN208769988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354666A (en) * | 2018-03-02 | 2018-08-03 | 西安交通大学医学院第附属医院 | A kind of hand-held device generating smog when reducing high power laser light affected tissues |
| CN113069203A (en) * | 2021-03-23 | 2021-07-06 | 江西麦帝施科技有限公司 | Stepped temperature working system and method for surgical tool bit of laser surgical system |
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