CN210749482U - Medical femtosecond laser stone crusher - Google Patents
Medical femtosecond laser stone crusher Download PDFInfo
- Publication number
- CN210749482U CN210749482U CN201920674402.8U CN201920674402U CN210749482U CN 210749482 U CN210749482 U CN 210749482U CN 201920674402 U CN201920674402 U CN 201920674402U CN 210749482 U CN210749482 U CN 210749482U
- Authority
- CN
- China
- Prior art keywords
- femtosecond laser
- laser
- stone crusher
- medical
- beam deflection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laser Surgery Devices (AREA)
Abstract
The utility model discloses a medical femto second laser stone crusher, include power plug, control adjusting panel, urgent safe locking means, fiber interface, cooling system, laser beam deflection control system, amplification system, femto second laser generator and foot switch. The utility model has the advantages that: the femtosecond laser is cold laser, has no thermal injury effect on tissues, and can effectively prevent ureteral stenosis after lithotripsy; the calculus can be cut more accurately through the laser beam deflection control system and the amplification system, the displacement of the calculus is avoided, the high-energy characteristic of femtosecond laser can achieve complete pulverization of all types of calculus, and the calculus treatment effect is improved remarkably.
Description
Technical Field
The utility model relates to a laser stone crusher specifically is a medical femto second laser stone crusher belongs to medical apparatus technical field.
Background
The most common neodymium-doped yttrium aluminum garnet (Nd: YAG) laser in clinical practice today (for example, a holmium laser) is one of the solid-state lasers, the holmium laser working transmitter is holmium-yttrium-aluminum garnet, rare element "holmium" embedded on yttrium-aluminum garnet crystal is activated under the irradiation of a krypton scintillation light source to generate a pulsed near-infrared laser, the holmium laser wavelength is about 2100nm and is kept constant, the pulse duration can be from 250 mus to 350 mus, the pulse energy is from 0.2J to 4J, the frequency is from 5 to 45Hz, the average energy output is from 3W to 100W, and the holmium laser mainly has three basic effects: the heat effect, the biostimulation effect and the ablation property are realized mainly through the heat effect.
However, it is the side effect of the thermal effect that the local temperature after the action of the holmium laser is abnormally increased, and the clinical ureteral stone has more and more cases of ureteral stenosis and renal function damage after the holmium laser operation, so that clinicians begin to recognize the unfavorable side of the holmium laser of the "lithotripsy", and further think of the serious problem caused by the laser of the heat spearing, and the holmium laser occupying the main medical market in the world at present needs to be replaced by the cold laser. The existing laser stone crusher has some problems which can not be solved: firstly, the heat effect of laser causes irreversible damage to tissue cells, and finally results in scar formation and lumen constriction in an operation area, and hydronephrosis and even renal function loss are caused; secondly, the existing laser lithotripter has defects in precision, calculus displacement is easily caused in the lithotriptic process, and the laser lithotriptic efficiency is low; thirdly, the existing laser lithotripter can not pulverize all stones, and stones with CT value over 1400HU can only be crushed and lumpy, so that residual stones are easy to form.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a medical femtosecond laser stone crusher for solving the problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a medical femtosecond laser lithotripter comprises a power plug, an operation and control adjusting panel, an emergency safety locking device, an optical fiber interface, a cooling system, a laser beam deflection control system, an amplification system, a femtosecond laser generator and a foot switch; the power plug is connected to the side face of the shell of the femtosecond laser stone crusher and is electrically connected with internal electric elements of each system, the control and adjustment panel is rotatably installed above the shell of the femtosecond laser stone crusher, the emergency safety locking device is arranged on the side face of the shell of the femtosecond laser stone crusher in a button shape, the optical fiber interface is fixed on the front face of the shell of the femtosecond laser stone crusher in a round hole shape, the cooling system, the laser beam deflection control system, the amplification system and the femtosecond laser generator are arranged in a main machine of the femtosecond laser stone crusher, the laser beam deflection control system and the amplification system are connected in parallel, the cooling system and the femtosecond laser generator are connected in an induction mode, the foot switch is in a pedal shape and is arranged on the ground, and the foot switch is connected to the main machine.
Preferably, in order to effectively handle the emergency, avoid accidents caused by serious faults such as leakage, laser leakage and overheating, and reduce potential safety hazards, the emergency safety locking device is electrically connected with each system, and is connected in series with a power supply switch of each system.
Preferably, in order to guarantee long-term use of laser lithotripter, the temperature can not be too high when guaranteeing the cutting, cooling system and power plug are electric connection, and utilize the water pump to force water to carry out circulation flow in cooling system in it.
Preferably, in order to perform cutting more accurately, reduce the occurrence of medical accidents and ensure that the calculus has no displacement, the laser beam deflection control system and the amplification system jointly form an accurate cutting device, and the two are in optical fiber connection with the femtosecond laser generator.
Preferably, in order to avoid damaging tissue cells and ensure that calculus can be completely powdered, the femtosecond laser generator is electrically connected with the foot switch, and the foot switch is converted into an electric signal by a pressing signal.
The utility model has the advantages that: the medical femtosecond laser stone crusher has reasonable design, the emergency safety locking device is electrically connected with each system and is connected with the power supply switch of each system in series, so that emergency can be more effectively treated, accidents caused by serious faults such as electric leakage, laser leakage and overheating are avoided, potential safety hazards are reduced, the cooling system is electrically connected with the power plug, water is forced to flow in the cooling system in a circulating manner by a water pump in the cooling system, the long-term use of the laser stone crusher is ensured, the temperature is not overhigh during cutting, the laser beam deflection control system and the amplification system jointly form an accurate cutting device, the two are wirelessly connected with the femtosecond laser generator, cutting work can be more accurately carried out, the occurrence of medical accidents is reduced, no displacement of stones is ensured, the femtosecond laser generator is electrically connected with the foot switch, and the foot switch is converted into electric signals by pressing signals, avoids the damage to tissue cells and ensures that the calculus can be completely powdered.
The femtosecond laser is cold laser, has no thermal injury effect on tissues, and can effectively prevent ureteral stenosis after lithotripsy; the calculus can be cut more accurately through the laser beam deflection control system and the amplification system, the displacement of the calculus is avoided, the high-energy characteristic of femtosecond laser can achieve complete pulverization of all types of calculus, and the calculus treatment effect is improved remarkably.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a working schematic diagram of the femtosecond laser generator of the present invention.
In the figure: 1. the device comprises a power plug, 2, an operation and control adjusting panel, 3, an emergency safety locking device, 4, an optical fiber interface, 5, a cooling system, 6, a laser beam deflection control system, 7, an amplification system, 8, a femtosecond laser generator and 9 and a foot switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a medical femtosecond laser lithotripter comprises a power plug 1, a control and adjustment panel 2, an emergency safety locking device 3, an optical fiber interface 4, a cooling system 5, a laser beam deflection control system 6, an amplification system 7, a femtosecond laser generator 8 and a foot switch 9; the power plug 1 is connected with the side surface of the shell of the femtosecond laser stone crusher and is electrically connected with each system electric element inside, the control and adjustment panel 2 is rotatably arranged above the shell of the femtosecond laser stone crusher, the emergency safety locking device 3 is arranged on the side surface of the shell of the femtosecond laser stone crusher in a button shape, the optical fiber interface 4 is fixed on the front surface of the shell of the femtosecond laser stone crusher in a circular hole shape, the cooling system 5, the laser beam deflection control system 6, the amplification system 7 and the femtosecond laser generator 8 are all arranged in the femtosecond laser stone crusher main machine, the laser beam deflection control system 6 and the amplification system 7 are connected in parallel, the cooling system 5 and the femtosecond laser generator 8 are connected in an induction way, the foot switch 9 is arranged on the ground in a foot plate shape and is connected to a main machine of the femtosecond laser stone crusher through an electric wire.
The emergency safety locking device 3 is electrically connected with each system and is connected with the power supply switches of each system in series, emergency situations can be more effectively processed, accidents caused by serious faults such as electric leakage, laser leakage and overheating are avoided, potential safety hazards are reduced, the cooling system 5 is electrically connected with the power plug 1, water is forced to flow in the cooling system in a circulating mode through a water pump, long-term use of the laser stone crusher is guaranteed, the temperature is not too high during cutting, the laser beam deflection control system 6 and the amplification system 7 jointly form a precise cutting device, the precise cutting device and the femtosecond laser beam deflection control system and the amplification system are in wireless connection with the femtosecond laser generator 8, cutting work can be performed more precisely, medical accidents are reduced, no displacement of stones is guaranteed, the femtosecond laser generator 8 is electrically connected with the foot switch 9 in a pressing mode, and the foot switch 9 is converted into electric signals through signals, avoids the damage to tissue cells and ensures that the calculus can be completely powdered.
The control adjusting panel is a touch display screen, the display content comprises machine power-on self-checking information, error information, alarm information and the like, and once the control adjusting panel is normally started, the control adjusting panel automatically enters a parameter selection interface and comprises laser emission energy, emission frequency, visible light intensity adjustment for indication, laser optical fiber information, patient information, laser working time, energy statistical information and the like.
The optical fiber connector comprises a male connector and a female connector and adopts a universal medical optical fiber interface.
The cooling system comprises a cooling fin, a radiating pipe, a temperature controller and a mute water pump, distilled water circulates in the cooling system, redundant heat generated when the laser works is guided to the environment, and long-time stable operation of the laser is maintained.
Laser beam deflection control system: presetting a laser beam deflection route and optimizing the calculus according to an algorithm
The cutting mode achieves the aims of accurately cutting the calculus and avoiding side damage.
An amplification system: the chirped pulse amplification technology is adopted to enhance the laser energy and frequency generated by the laser generator, and the specific numerical value is dynamically adjusted according to the parameters set by the control panel.
Femtosecond laser generator: commercial lasers (10-1000 w) produced by Wuhan rainbow new technology Limited liability company are adopted.
The working principle is as follows: when a patient finds kidney stones, the patient needs to enter the kidney by using an endoscope to see the stones, the center of the endoscope body of the endoscope is hollow and can accommodate optical fibers to pass through, the far end of a femtosecond laser optical fiber is placed in the kidney and close to the stones through the working channel, the near end (a male optical fiber interface) is inserted into a female optical fiber interface 4 of a host, a power supply of a femtosecond laser generator 8 is inserted, a power supply switch is turned on, a cooling system 5 is started, whether all components of the system work normally or not is self-checked, a working state or a fault code is displayed on an operation and control panel 2, if the self-check is passed, a parameter adjusting picture including laser energy (Joule), laser frequency (Hertz), laser deflection parameters and other information appears, after an operator adjusts required parameters according to the state of illness of the patient, a working button is clicked, the laser is in a, the foot switch 9 is stepped on, laser is generated by the femtosecond laser generator 8, the energy is amplified to set parameters through the amplifying system 7, the emission is started, the stone breaking is carried out according to the set scheme of the deflection control system 6, the foot switch 9 is released, the laser emission is stopped, and once the system detects a fault or the laser is out of control, the system can automatically start the emergency safety locking device 3 (or manually start) and immediately and forcibly close the main power supply of the laser emitter to prevent accidents.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A medical femtosecond laser lithotripter is characterized in that: the device comprises a power plug (1), an operation and control adjusting panel (2), an emergency safety locking device (3), an optical fiber interface (4), a cooling system (5), a laser beam deflection control system (6), an amplification system (7), a femtosecond laser generator (8) and a foot switch (9);
the power plug (1) is connected to the side face of the shell of the femtosecond laser stone crusher and is electrically connected with electric elements of each system in the femtosecond laser stone crusher, the control adjusting panel (2) is rotatably installed above the shell of the femtosecond laser stone crusher, the emergency safety locking device (3) is arranged on the side face of the shell of the femtosecond laser stone crusher in a button shape, the optical fiber interface (4) is fixed on the front face of the shell of the femtosecond laser stone crusher in a circular hole shape, the cooling system (5), the laser beam deflection control system (6), the amplification system (7) and the femtosecond laser generator (8) are all arranged in the main machine of the femtosecond laser stone crusher, the laser beam deflection control system (6) and the amplification system (7) are connected in parallel, the cooling system (5) and the femtosecond laser generator (8) are connected in an induction manner, and the foot pedal switch (9) is arranged, and is connected to the main machine of the femtosecond laser stone crusher through an electric wire.
2. The medical femtosecond laser lithotripter according to claim 1, characterized in that: the emergency safety locking device (3) is electrically connected with each system and is connected with the power supply switch of each system in series.
3. The medical femtosecond laser lithotripter according to claim 1, characterized in that: the cooling system (5) is electrically connected with the power plug (1), and water is forced to circularly flow in the cooling system (5) by a water pump.
4. The medical femtosecond laser lithotripter according to claim 1, characterized in that: the laser beam deflection control system (6) and the amplification system (7) jointly form a precise cutting device, and the laser beam deflection control system and the amplification system are connected with the femtosecond laser generator (8) through optical fibers.
5. The medical femtosecond laser lithotripter according to claim 1, characterized in that: the femtosecond laser generator (8) is electrically connected with the foot switch (9), and the foot switch (9) is converted into an electric signal by a push type signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674402.8U CN210749482U (en) | 2019-05-13 | 2019-05-13 | Medical femtosecond laser stone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674402.8U CN210749482U (en) | 2019-05-13 | 2019-05-13 | Medical femtosecond laser stone crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749482U true CN210749482U (en) | 2020-06-16 |
Family
ID=71027639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674402.8U Active CN210749482U (en) | 2019-05-13 | 2019-05-13 | Medical femtosecond laser stone crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110063790A (en) * | 2019-05-13 | 2019-07-30 | 熊云鹤 | A kind of medical femtosecond laser stone crusher |
| CN113189899A (en) * | 2021-03-23 | 2021-07-30 | 广州万孚倍特生物技术有限公司 | Hardware control device and system of medical instrument |
-
2019
- 2019-05-13 CN CN201920674402.8U patent/CN210749482U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110063790A (en) * | 2019-05-13 | 2019-07-30 | 熊云鹤 | A kind of medical femtosecond laser stone crusher |
| CN113189899A (en) * | 2021-03-23 | 2021-07-30 | 广州万孚倍特生物技术有限公司 | Hardware control device and system of medical instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0892657B1 (en) | Laser surgical device | |
| CN210749482U (en) | Medical femtosecond laser stone crusher | |
| US20180243032A1 (en) | Side-firing fiber delivery device with active cooling cap | |
| Jackson et al. | Diode‐pumped fiber lasers: A new clinical tool? | |
| Ross | Laser versus intense pulsed light: competing technologies in dermatology | |
| EP2066253B1 (en) | Treatment of skin by a solid-state laser | |
| US20080181261A1 (en) | Electromagnetic energy output system | |
| EP3023074B1 (en) | Laser system for skin treatment | |
| CN104688337B (en) | A kind of laser therapeutic system of ablation of tissue | |
| CN205612546U (en) | Laser equipment with optic fibre detection function that targets in place | |
| AU2003222234A1 (en) | Method and system for photoselective vaporization for gynecological treatments | |
| CN103182149B (en) | Combination laser therapy apparatus | |
| CN109044526B (en) | Dual wavelength laser and laser therapeutic instrument | |
| CN205144725U (en) | Multi -wavelength semiconductor laser device of performing operation | |
| US6251102B1 (en) | Laser surgical device and method of its use | |
| CN106943191B (en) | 2-micrometer laser medical device with in-vivo lithotripsy and soft tissue excision | |
| CN104587611A (en) | Multifunctional laser therapeutic instrument | |
| CN204446106U (en) | The holmium laser therapy instrument that optical fiber identifies automatically | |
| CN113712663A (en) | Thulium-doped optical fiber laser treatment device | |
| JP2018094155A (en) | Skin laser treatment device | |
| CN207925888U (en) | Medical thulium doped optical fiber laser therapeutic device | |
| CN110063790A (en) | A kind of medical femtosecond laser stone crusher | |
| CN109950781A (en) | 1940nm thulium-doped all-fiber laser device and medical device based on the laser | |
| CN209472199U (en) | 1940nm thulium-doped all-fiber laser device and medical device based on the laser | |
| CN205144726U (en) | High -power semiconductor laser device of performing operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |