CN216121180U

CN216121180U - Medical Q laser of transferring of hand-held type

Info

Publication number: CN216121180U
Application number: CN202122530348.XU
Authority: CN
Inventors: 段彬
Original assignee: Shenzhen Zhuo Radium Laser Technology Co ltd; Xi'an Grace Laser Technology Co ltd; Beijing Grace Laser Technology Co ltd
Current assignee: Shenzhen Zhuo Radium Laser Technology Co ltd; Xi'an Grace Laser Technology Co ltd; Beijing Grace Laser Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-22
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a handheld medical Q-switched laser, which comprises a lower shell and an upper cover which are installed in a matched manner, wherein the lower shell comprises a main shell, a front end cover and a rear end cover, the front end cover and the rear end cover are arranged at two ends of the main shell, and a Q-switched optical path system, a water cooling system and a circuit system are installed in the lower shell; the optical path system comprises a resonant cavity assembly, and an output mirror and a total reflector which are arranged at two ends of the resonant cavity assembly, wherein the output mirror is fixed at the middle lower part of the front end cover, and a front xenon lamp fixing hole is formed in the front end cover; the rear end cover at the periphery of the total reflector is also provided with two symmetrical water pipe fixing holes, a rear xenon lamp fixing hole, an indicating light fixing hole and a xenon lamp power supply line fixing hole. The utility model can realize the miniaturization and light weight of the active Q-switched laser structure, effectively solves the problems of use and transportation of operators, and is easy to use and integrate by the operators; each fixed hole position solves the problems of light path transmission and damage, realizes a layered structure and does not influence output energy.

Description

Medical Q laser of transferring of hand-held type

Technical Field

The utility model relates to the technical field of medical lasers, in particular to a handheld medical Q-switched laser.

Background

Firstly, the traditional active Q-switched laser structure is large in size and high in weight, so that the integrated medical laser device is not convenient to transport and carry, and has enough transport period and extra transport cost for treatment requirements of different places. Due to the large size and high quality of the laser, the operator generally needs to transmit the laser through a transmission device such as a light guide arm to draw the laser to the treatment target surface. In the mode of transmission through the light guide arm, if the quality of the optical elements is not increased in the transmission process, the energy of original laser can be greatly lost, the change of the distribution and the appearance of light spots can be generated, the treatment effect is influenced, and in addition, the maintenance cost is very high due to the addition of a plurality of optical elements.

Secondly, the material of the required structural part is increased due to the larger size of the traditional active Q-switched laser structure. For laser manufacturers, the production cost is high, the processing period is long, and the mass production is not facilitated.

In the aspect of equipment integration, a large machine frame is generally adopted for installation, a series of problems such as vibration isolation and fixation of a laser need to be considered, the difficulty of equipment integration is increased, the research and development period of the equipment integration is prolonged, and the cost is increased. The frame integrated by the equipment also has certain strength requirements, and the insufficient strength can generate a series of unstable factors of optics and structure, thereby being not beneficial to the long-term reliable work of the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small-sized active Q-switching laser structure which can be held by hands in the medical aspect, all components can be fixed on a shell, the components are reasonable in layout and convenient to mount, and the laser is compact in structure, small in size, convenient to carry and suitable for being used in a handheld mode.

The utility model is realized by the following technical scheme in order to achieve the purpose:

a hand-held medical Q-switched laser comprises a lower shell and an upper cover which are installed in a matched mode, wherein the lower shell comprises a main shell, a front end cover and a rear end cover, the front end cover and the rear end cover are arranged at two ends of the main shell, and a Q-switched optical path system, a water cooling system and a circuit system are installed in the lower shell; the optical path system comprises a resonant cavity assembly, and an output mirror and a total reflector which are arranged at two ends of the resonant cavity assembly, wherein the output mirror is fixed at the middle lower part of the front end cover, and a front xenon lamp fixing hole is formed in the front end cover; the rear end cover at the periphery of the total reflector is also provided with two symmetrical water pipe fixing holes, a rear xenon lamp fixing hole, an indicating light fixing hole and a xenon lamp power supply line fixing hole, and the water cooling system is connected with the water pipe fixing holes.

Furthermore, the lower shell and the upper cover are of a cylindrical structure after being matched and installed.

Further, a red light indicator is installed at one side of the main casing, and the red light indicator is in beam combination transmission with the output laser.

Further, the resonant cavity assembly is screwed and fixed with the main shell through screws.

Furthermore, an output mirror fixing frame is fixed on the front end cover, and the output mirror is installed on the front end cover through the output mirror fixing frame.

Furthermore, a total reflection mirror fixing frame is fixed on the rear end cover, and the total reflection mirror is installed on the rear end cover through the total reflection mirror fixing frame.

Furthermore, the output mirror and the total reflection mirror are respectively connected with two ends of the lower shell through two jacking and pulling adjusting mechanisms.

The laser comprises a lower shell and a lower cover, wherein the lower shell is internally provided with an optical path, a circuit and a mounting structure of a water cooling system, and a water and electric system is connected with the optical path system through a mutual connection structure. The lower shell is provided with an output mirror fixing frame and fixing hole positions of the total reflection mirror fixing frame, so that a cavity mirror of the laser can be fixed through the lower shell. The adjustment of the Q-switched light path system is realized through the output mirror fixing frame and the top pull adjusting structure of the total reflection mirror fixing frame and the O-shaped ring, so that the laser cavity mirror can meet the debugging requirement.

The miniaturization, the lightweight and the integration of the active Q-switched laser structure can be realized, the use and transportation problems of an operator are effectively solved, the appearance is of a cylindrical structure, and the active Q-switched laser structure is easy to hold by the operator. The problems of light path transmission and damage are solved by the fixing hole positions, a layered structure is realized, the output energy is not influenced, the output energy is consistent with that of a traditional Q-switched laser, and further miniaturization integration iteration can be met.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a front end cap view of the present invention;

fig. 4 is a rear end cap view of the present invention.

In the figure, 1-upper cover; 2-a main housing; 3-front end cover; 31-front xenon lamp fixing hole; 32-output mirror mount; 4-rear end cap; 41-water pipe fixing holes; 42-rear xenon lamp fixing hole; 43-indicator light fixing hole; 44-xenon lamp power supply line fixing hole; 45-total reflection mirror fixing frame; 5-a resonant cavity assembly; 51-a working substance module; 52-a polarizer; a 53-Q switch; 6-an output mirror; 7-a total reflection mirror; 8-red light indicator; 9-a top pull adjusting mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that unless otherwise explicitly specified or limited, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is merely for convenience of description and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be construed as limiting the present invention.

The first feature may be "on" or "under" the second feature and may include the first and second features being in direct contact, or the first and second features being in contact via another feature not being in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, a handheld medical Q-switched laser comprises a lower shell and an upper cover 1 which are installed in a matching manner, wherein the lower shell comprises a main shell 2, and a front end cover 3 and a rear end cover 4 which are arranged at two ends of the main shell 2, and a Q-switched optical path system, a water cooling system and a circuit system are installed in the lower shell; the optical path system comprises a resonant cavity assembly 5, and an output mirror 6 and a total reflection mirror 7 at two ends of the resonant cavity assembly 5, preferably in one embodiment, the resonant cavity assembly 5 is screwed and fixed with the main shell 2 through screws, so as to prevent internal parts of the laser from loosening and affecting the function of the laser; the output mirror 6 is fixed at the middle lower part of the front end cover 3, preferably, an output mirror fixing frame 32 is fixed on the front end cover 3, and the output mirror 6 is installed on the front end cover through the output mirror fixing frame 32. The front end cover 3 is also provided with a front xenon lamp fixing hole 31. The resonator assembly 5 is each working module inside the Q-switched laser, and may specifically include a working substance module 51, a polarizing plate 52 and a Q-switch 53.

The total reflection mirror 7 is installed at the middle lower part of the rear end cover 4, preferably, in an embodiment, a total reflection mirror fixing frame 45 is fixed on the rear end cover 4, and the total reflection mirror 7 is installed on the rear end cover 4 through the total reflection mirror fixing frame 45.

Two symmetrical water pipe fixing holes 41, a rear xenon lamp fixing hole 42, an indicating light fixing hole 43 and a xenon lamp power supply line fixing hole 44 are also formed in the rear end cover 4 at the periphery of the total reflection mirror 7. The water cooling system is connected with the water pipe fixing hole 41, the water pipe is connected to the outer layer of the working substance of the resonant cavity assembly 5 for heat exchange cooling, and then the water pipe fixing hole 41 is connected with the outside for cooling and heat exchange.

The front xenon lamp fixing hole 31 and the rear xenon lamp fixing hole 42 are used for fixing the xenon lamp in the lower shell in parallel in the axial direction.

Preferably, the lower shell and the upper cover 1 are in a cylindrical structure after being matched and installed. The outer shell body of the cylindrical structure is convenient to carry, the appearance volume of the laser is reduced as much as possible after the internal components are compactly installed, and the size is reduced. The inside mounting groove that is equipped with the light chamber, the line hole groove, the fixed slot of crossing of power supply line and water pipe etc. and the coaxial design of laser has been considered in the design of casing down, and factors such as the design of adjustability of part component all have design consideration to the handheld size of operator and comfort level. The inside connection structure who is equipped with water route and circuit can guarantee the steady operation of laser instrument. The side wall is provided with an indicating light and absorption device, so that the laser has an indicating function and a function of absorbing scattered light.

Preferably, a red light indicator 8 is installed at one side of the main housing 2, and the red light indicator 8 is combined with the output laser beam to be transmitted to the treatment target surface. Meanwhile, the main shell 2 is connected with an on-site power supply through an outgoing power supply line to supply power for electric elements of the laser.

Preferably, the output mirror 6 and the total reflection mirror 7 are respectively connected with two ends of the lower shell through two jacking and pulling adjusting mechanisms 9. The top-pull adjusting mechanism 9 can be a top-pull adjusting mode commonly used for optical debugging, and can realize the twisting of the optical lens in the pitching direction and the yawing direction. In a further preferred embodiment, the adjustment of the cavity mirror of the Q-switched optical path system is realized by the output mirror fixing frame 32 and the full-reflecting mirror fixing frame 45 at two ends and the pushing and pulling adjusting mechanism 9 in an O-ring structure.

The structure of the utility model mainly comprises an upper cover 1 and a main shell 2, the appearance of the utility model is cylindrical, the inside of the utility model is composed of different optical elements to form a Q-switched optical path system, the upper cover 1 is fixed on the lower shell through a rear screw, all the optical elements are covered under the upper cover 1, and the internal optical elements and circuits can be protected from being damaged by the outside. The utility model discloses a can realize the laser instrument structure of a cylinder appearance, all water pipes and power supply line all can be fixed through the line hole of crossing that the casing set up down. The laser has an internal cavity length smaller than that of a traditional large-scale active Q-switched laser, and has the same output capacity as that of the traditional active Q-switched laser. The adjustability of the cavity mirror of the Q-switched optical path system is realized through the jacking adjusting mechanisms 9 at the two ends, so that the structure has high light beam quality, and no difference exists for the traditional active Q-switched laser. Because the structure has the same performance as the traditional active Q-switched laser, lower quality and volume and higher treatment efficiency, the structure has better application prospect, can better meet and improve the inconvenience of operators in use, and improves the treatment efficiency.

This medical initiative Q laser of transferring of hand-held type has set up corresponding water pipe fixed knot and power supply line fixed knot and has constructed, can fix condenser tube on main casing body 2, guarantees that xenon lamp and Q crystal and pilot light walk the line smoothly.

The two water pipe fixing holes 41 of the rear end cover are used for fixing the trend of the water pipes and preventing the water pipes from knotting in the main shell 2 to affect the cooling function. The xenon lamp power supply line fixing hole 44, the front xenon lamp fixing hole 31 and the rear xenon lamp fixing hole 42 are used for fixing the xenon lamp power supply line and the wiring direction, and the circuit is prevented from jacking or extruding a water pipe in the main shell 2 or influencing optical path transmission. The Q crystal power supply line fixing hole and the indicating light fixing hole 5 are used for fixing the two power supply lines to smoothly pass through the interior of the box body without disturbing light path transmission. The red light indicator 8 is combined with the output laser beam for transmission and points to the treatment target surface. The output mirror 6 and the total reflection mirror 7 are positioned on two sides of the box body and are embedded on the outer box body to form an integrated structure. All wiring positions are positioned on the middle upper layer inside the laser and effectively isolated from the light path transmission layer. The structure distribution can effectively prevent the performance of the laser from being affected when an accident happens, and ensures that the optical path transmission is not blocked or scratched, so that the service life of the optical element is ensured, the optical element is not polluted, and a layered setting mode is formed. The waterway system and the circuit system are fixedly connected with the connecting structure through the light-gathering cavity, and the structural component of the optical path system is screwed and fixed with the box body through screws, so that the concentricity of the optical path system can be ensured.

The laser is cylindrical in shape, is convenient for an operator to hold, and has an indicating light function; the line passing hole positions of the water service pipe and the power supply line are arranged to form layered arrangement without obstruction and damage risks, so that the line arrangement of the system meets the installation requirement, and all components can be fixed on the box body, so that the position is reasonable, and the installation is convenient; the output mirror and the total reflection mirror are embedded at two sides of the outer box body and form an integrated structure with the laser; lightweight design, portable and transportation. The laser is small in structural size, convenient to carry, suitable for being used in a handheld mode and capable of providing great convenience for operators. The operator can conveniently carry the laser to an operation place by utilizing the characteristics of small volume and portability for treatment. For the treatment effect, the laser output energy is the same as that of the traditional active Q-switching medical product, and the requirement of the conventional medical laser can be met.

The embodiments of the present invention are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading the present specification, but the present invention is protected by patent law within the scope of the appended claims.

Claims

1. A hand-held medical Q-switched laser is characterized by comprising a lower shell and an upper cover (1) which are installed in a matched mode, wherein the lower shell comprises a main shell (2), a front end cover (3) and a rear end cover (4) which are arranged at two ends of the main shell, and a Q-switched optical path system, a water cooling system and a circuit system are installed in the lower shell; the optical path system comprises a resonant cavity component (5), and an output mirror (6) and a total reflection mirror (7) which are arranged at two ends of the resonant cavity component, wherein the output mirror is fixed at the middle lower part of the front end cover, and the front end cover is also provided with a front xenon lamp fixing hole (31); the rear end cover at the periphery of the total reflector is also provided with two symmetrical water pipe fixing holes (41), a rear xenon lamp fixing hole (42), an indicating light fixing hole (43) and a xenon lamp power supply line fixing hole (44), and the water cooling system is connected with the water pipe fixing holes.

2. The hand-held medical Q-switched laser as claimed in claim 1, wherein the lower housing and the upper cover are mounted in a cylindrical configuration.

3. The hand-held medical Q-switched laser as claimed in claim 1, wherein a red light indicator (8) is mounted on one side of the main housing, the red light indicator being in beam-transmitting communication with the output laser.

4. The handheld medical Q-switched laser as claimed in claim 1, wherein the resonator assembly is screwed to the main housing by screws.

5. The hand-held medical Q-switched laser as claimed in claim 1, wherein an output mirror holder (32) is fixed to the front end cap, and the output mirror is mounted to the front end cap through the output mirror holder.

6. The hand-held medical Q-switched laser according to claim 1, wherein a total reflection mirror holder (45) is fixed on the rear end cap, and the total reflection mirror is mounted on the rear end cap through the total reflection mirror holder.

7. The hand-held medical Q-switched laser according to claim 1, wherein the output mirror and the total reflection mirror are connected with both ends of the lower housing respectively through two push-pull adjusting mechanisms (9).