CN206822613U - A kind of high-precision optical fiber laser diagnostics debridement all-in-one for diagnosis and treatment of burning - Google Patents
A kind of high-precision optical fiber laser diagnostics debridement all-in-one for diagnosis and treatment of burning Download PDFInfo
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Abstract
The utility model discloses a kind of high-precision optical fiber laser diagnostics debridement all-in-one for diagnosis and treatment of burning, including optical fiber laser：Produce infrared band ultra-short pulse laser；Multi-spectral imager：Diagnosed for medical science depth of burn and area；Optical beam scanner：For ultra-short pulse laser caused by optical fiber laser to be exported by optical fiber collimator and lens focus scanning；Moving bed：For carrying the wounded, light beam can be followed mobile and rotated.The utility model has that precision is high, small volume, in light weight, optical fiber is flexible and deviation, it is highly reliable, can fix or the advantages that hand-portable, flexible and convenient to use, automatically scanning, debridement efficiency high, there are wide variety of potentiality.
Description
Technical Field
The utility model belongs to the clear technique of creating of laser specifically indicates a clear all-in-one system of creating of high accuracy optic fibre laser diagnosis for burn diagnosis and treatment.
Background
According to the statistics of the US army, more than 70% of wounded persons in modern war have different degrees of burn, and similar reports are reported in China (the kingdom, the field and field operations, the civil and military medical press, 2007). Among all diseases, the traumatic diseases are the most frequent, and the wound is the first cause of death in young adults, while debridement is the first step in the treatment of traumatic diseases such as burns. Whether natural disasters such as earthquakes and the like, traffic accidents, fire disasters and the like exist, most of the wounded people caused by the natural disasters need to receive debridement treatment. Debridement is a basic surgical operation and has a considerable position in the surgical field, and the current consistent understanding of debridement is as follows: debridement is a wound treatment technique that removes devitalized, slough and necrotic, foreign, and unhealthy tissues that affect healing, in principle, to reduce tissue damage and promote tissue repair and healing. The effect of debridement directly affects the effect of subsequent treatment.
The burn debridement technology mainly comprises operation debridement, autolysis debridement, enzymolysis debridement, biological debridement, ultrasonic debridement, water jet debridement and the like. The operation debridement has the advantages that large-scale necrotic tissues can be rapidly removed, but the removal degree of the degenerative necrotic tissues is difficult to ensure, the operation debridement is often carried out under the anesthesia condition, the blood loss is high during the operation, the wound is large, the postoperative tissues are large-scale damaged, the elderly are weak, and patients with complications such as heart diseases and respiratory diseases are poor in tolerance. The difficulty lies in the judgment of the level and the range of necrotic tissues, and the active operation is contraindicated for patients without blood supply wound surfaces, poor nutritional conditions, anemia and the like. The autolysis debridement has the advantages of almost no wound on tissues, no obvious side effect and particular suitability for the elderly and patients with complex basic diseases, but has the defects of long debridement period, generally 1-2 weeks and contraindication of infection. The enzymatic debridement is used for burn patients, pressure sores and the like with stable general conditions, does not damage adjacent normal tissues, generally has no obvious toxic or side reaction, but can generate stimulation to surrounding tissues to generate erythema, and the enzyme preparation has high price and is generally used for debridement of wounds which are difficult to heal. There is also a literature report that the enzymatic debridement process suppresses immune cell function, resulting in bacterial or viral infection. Biological debridement is mainly suitable for chronic wounds with softened or difficultly-removed necrotic tissues, and has the advantages of rapidness and selectivity, but the dependence of part of patients is poor due to the difference of cultural backgrounds. The ultrasonic debridement can well debride pit and hole type wound surfaces, and has the advantages of simple and convenient operation, low cost, deep debridement and improvement of local microcirculation. However, when the ultrasonic debridement is performed, the wound surface needs to be soaked in a liquid environment, and the wound surface is not suitable for the head, neck, perineum and other parts; the water jet debridement has the greatest advantages of better treatment of infected wounds, but not accurate debridement and does not meet the definition of accurate debridement.
At present, the clinical treatment of burn mainly depends on the visual observation and experience of doctors to debride the wound surface, the removal degree of degenerative necrotic tissues after burn is difficult to ensure, and the treatment effect of the wound surface is influenced to a greater or lesser degree. Although a few laser debridement devices exist in the market at present, the laser debridement devices cannot be accepted by clients such as hospitals because the thermal damage to normal tissues during laser debridement cannot be effectively controlled, so the market share of the high-precision strong laser debridement instrument is almost zero at present, and a high-precision high-efficiency debridement device is urgently needed for burn surgery.
In recent years, the development of optical and laser technology and successful application in biomedicine have provided theoretical guidance and practical possibilities for achieving accurate and rapid laser debridement. The high-resolution multispectral imager for medical burn depth and area diagnosis is successfully developed to accurately diagnose the wound surface, and lays a solid foundation for accurate laser debridement.
The advantages of the laser debridement technology compared with the common debridement technology are paid attention to in the field of medical product research and development, and the main advantages are that the surgical wound surface has less bleeding, the eschar is cut by the laser knife, and the bleeding is only 30 ml; the eschar is cut by 6 percent in the conventional surgical operation, and the bleeding amount can reach 100 ml; the laser has outstanding advantages for scab cutting of the part which can not stop the blooding zone; the operation time is saved, and the laser operation of subcutaneous foreign bodies can cut scabs and stop bleeding at the same time, so that the thread residue after the bleeding wound surface treatment and the blood vessel ligation is reduced, and the wound healing and the skin grafting are facilitated; the operation precision is high, the depth of the operation can be controlled at 300 mu m under the skin, and the size of a focal spot of the surface is 100 mu m.
Disclosure of Invention
An object of the utility model is to provide a clear all-in-one of creating of high accuracy fiber laser diagnosis for burn diagnosis and treatment utilizes the multispectral imager of high-resolution to skin burn and the instant diagnosis result of clear degree, the clear parameter of creating of ultrashort pulse laser at the different burn degree positions of control skin, realize to the accuracy of degeneration necrotic tissue such as skin after the burn, clear away fast, overcome traditional clear technique of creating thoroughly not, speed is slow, the low scheduling problem of precision, the realization is to the accurate detection and the quick clearance of degeneration necrotic tissue such as burn skin.
The purpose of the utility model is realized through the following technical scheme:
a high-precision fiber laser diagnosis and debridement integrated machine for burn diagnosis and treatment comprises a fiber laser, a multispectral imager, a beam scanner and a moving bed; wherein,
the optical fiber laser is used as an infrared optical fiber laser light source and used for generating infrared band ultrashort pulse laser, and an output optical fiber of the optical fiber laser is connected with a beam scanner;
the beam scanner is arranged on the integrated machine frame through a rotary joint, is positioned above the moving bed and is used for focusing and scanning and outputting the ultrashort pulse laser generated by the fiber laser through a lens;
the multispectral imager is fixed on the rotary joint and synchronously moves relative to the integrated machine frame with the beam scanner, the output signal of the multispectral imager is connected with the fiber laser and is used for diagnosing the depth and the area of medical burn, the acquired spectral burn data is transmitted to the fiber laser, and the working mode and the parameters of the fiber laser are determined according to the burn depth, the area and the grade of the burn data;
the moving bed comprises a bed frame and X, Y, Z three-axis moving platform for carrying the wounded, so that the wounded can move and rotate along with the light beam.
Further, the fiber laser adopts a fiber femtosecond laser as a laser light source, the output wavelength of the fiber femtosecond laser is 800nm, the single pulse energy is 10mJ, the average power is 10W, the pulse width is less than 600fs, the beam divergence is less than 1mrAd, the repetition frequency is 1kHz, the energy stability is less than 1.5% (rms, 1min), the beam diameter is less than 12mm, and the spot mode TEM is adopted as a light source00Beam quality factor M2＜1.2。
Further, the multispectral imager adopts a high-resolution multispectral imager based on a liquid crystal modulator, and the imaging spectral band is as follows: 400 nm-1700 nm, scanning spectrum width: 4 nm-20 nm, field angle: not less than 15 degrees and not more than 7 mu m of spatial resolution.
Further, the beam scanner includes: the mechanical arm is connected with the integrated machine frame through the rotating joint; the optical fiber collimator is fixed in the mechanical arm; the lens is fixed in the rotary joint, clamped or loosened by the lens clamp holder and rotates along with the optical fiber collimator, and the rotation of the lens is driven by the rotary joint, so that the light beam always vertically enters the center of the lens; and the laser displacement sensor is fixed on the side surface of the optical fiber collimator, moves along with the optical fiber collimator and is used for measuring the three-dimensional height of the surface of the burned skin in real time.
Further, the rotary joint comprises a rotary joint group rotating along an X, Y shaft, and a rotary motor is arranged at the switching position of the rotary joint group and is used for controlling the rotation of the light beam scanner.
Furthermore, the surface of the lens is plated with an antireflection film of 800nm, the focal length is 160mm, and the lens can move +/-50 mm along the Z axis.
Further, the laser displacement sensor has the wavelength of 632nm and the power of 50 mW.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model provides a clear all-in-one of creating of high accuracy optic fibre laser diagnosis for burn diagnosis and treatment provides one kind and the linkage of spectrum appearance, and the precision is the clear appearance of creating of high-efficient laser of hundred microns grades. The device firstly adopts a high-resolution multispectral imager to accurately detect the depth and the area of the burn, has the advantages of non-invasiveness, non-contact property, no obvious side effect and the like, and provides important detection basis and foundation for accurate debridement and reformulation of burn depth grading.
2. The utility model provides a clear all-in-one of creating of high accuracy fiber laser diagnosis for burn diagnosis and treatment adopts the ultrashort pulse laser of infrared band, and pulse energy is high, the light beam is of high quality, the vice damage of debridement is little, fast, the precision is high.
3. The high-precision optical fiber laser diagnosis and debridement integrated machine for burn diagnosis and treatment adopts the optical fiber laser with optical fiber coupling output, has high power and electro-optic conversion efficiency, small volume, light weight, strong reliability, flexible and convenient use and long service life, and can bend and deflect optical fibers; the device can be fixed or portable by hand, deflects the collimated output laser beam and automatically scans the burn surface at a large angle, has high debridement efficiency, can be applied in various modes and occasions, can be applied in the field of prevention and treatment of infection in precise medical treatment and intensive care, and makes important contribution to reducing fatality disability rate and recovering health as soon as possible.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the structure principle of the present invention;
FIG. 2 is an enlarged view of a portion of the revolute joint of FIG. 1;
FIG. 3 is a schematic structural diagram of the beam scanner 3;
reference numbers and corresponding part names in the drawings:
1-fiber laser, 2-multispectral imager; 3-beam scanner, 31-fiber collimator, 32-lens, 33-laser displacement sensor, 34-mechanical arm, 35-lens holder; 4-moving bed, 41-bed frame, 42-moving platform; 5-an all-in-one machine frame; 6-revolute joint group, 61-intermediate rotating part, 62-first rotating electric machine, 63-second rotating electric machine.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
As shown in fig. 1, a high-precision fiber laser diagnosis and debridement integrated machine for burn diagnosis and treatment comprises a fiber laser 1, a multispectral imager 2, a beam scanner 3 and a moving bed 4. The output optical fiber of the optical fiber laser 1 is connected with a beam scanner 3 and used for generating the ultra-short pulse laser in the infrared band. The beam scanner 3 is mounted on the all-in-one machine frame 5 through a rotary joint, is located above the moving bed 4, and is used for focusing and scanning the ultrashort pulse laser generated by the fiber laser 1 through the lens 32. The multispectral imager 2 is fixed on the light beam scanner 3 and moves synchronously with the light beam scanner 3. The output signal of the multispectral imager 2 is connected with the fiber laser 1 and used for diagnosing the depth and area of medical burn, the acquired spectral burn data is transmitted to the fiber laser 1, and the working mode and parameters of the fiber laser 1 are determined according to the depth, area and grade of burn. The moving bed 4 includes bed frames 41 and X, Y, Z, a three-axis moving platform 42 for carrying the injured person so that it can move and rotate along with the light beam.
In this embodiment, the structures of the parts are specifically shown in fig. 1, fig. 2, and fig. 3:
wherein the fiber laser 1: the fiber laser 1 adopts a fiber femtosecond laser as a laser light source, the output wavelength of the fiber femtosecond laser is 800nm, the single pulse energy is 5mJ, the average power is 10W, the pulse width is less than 600fs, the beam divergence is less than 1mrAd, the repetition frequency is 2kHz, the energy stability is less than 1.5% (rms, 1min), the beam diameter is less than 12mm, and a facula mode TEM is adopted00Beam quality factor M2< 1.2, the laser beam is output after exiting from the fiber collimator 31.
The multispectral imager 2: the high-resolution multispectral imager 2 based on the liquid crystal modulator for burn depth and area diagnosis has imaging spectral band: 400 nm-1700 nm, scanning spectrum width: 4 nm-20 nm, field angle: the spatial resolution is not more than 15 degrees and not more than 7 microns, the method is used for acquiring the spectral data of the scald skin model and accurately diagnosing the scald area and the scald depth of the scald skin model, the spectral burn data acquired by the spectral imager are transmitted to the optical fiber laser 1, and the working mode and the parameters of the optical fiber laser 1 can be determined according to the burn depth, the burn area and the burn level.
The structure of the beam scanner 3 is shown in fig. 3, and includes:
and a fiber collimator 31 fixed in the robot arm 34. The lens 32 is coated with an antireflection film with the diameter of 800nm on the surface, has a focal length of 160mm, can move +/-50 mm along the Z axis, is also fixed in the mechanical arm 34, is clamped or loosened by the lens clamp 35 and rotates along with the optical fiber collimator 31, so that light beams are always vertically incident to the center of the lens 32, and laser treatment can be carried out after positioning. The treatment can be carried out on the area in the wound boundary, the wound boundary treatment is firstly completed, the lens 32 is quickly removed after the treatment is completed, the laser is enabled to cancel focusing, and then the treatment of the inner area is completed.
The laser displacement sensor 33 is fixed on the side of the fiber collimator 31, and the wavelength thereof is 632nm, and the power thereof is 50mW, so as to measure the three-dimensional height of the burned skin surface in real time, and move the lens 32, so that the focus of the light beam is at the burned skin interface.
In this embodiment, the revolute joint structure is shown in fig. 2, and the revolute joint includes a revolute joint group 6 that revolves along an axis X, Y. The revolute joint group 6 includes two rotary motors and a middle rotating member 61. The upper end of the transit part 61 is rotatably connected with the all-in-one machine frame 5, a first rotating motor 62 is fixed at the rotating connection position of the transit part, and the transit part 61 rotates along the X axis relative to the all-in-one machine frame 5 under the driving of the first rotating motor 62. The lower end of the transit part 61 is rotatably connected with the mechanical arm 34, a second rotating motor 63 is fixed at the rotating connection position of the transit part, and the mechanical arm 34 rotates along the Y axis relative to the all-in-one machine frame 5 under the driving of the second rotating motor 63.
By the above-described rotary joint group 6, the robot arm 34 moves in the Y direction: 75 °, in X direction: ± 30 °, precision of rotation: 5', scanning speed: 0.1 mm/s-1 mm/s.
In this embodiment, the moving bed 4 includes a frame 41 and an X, Y, Z three-axis moving platform 42 for mounting the frame 41. X, Y, Z the three-axis moving platform 42 controls the moving precision of the bed frame 41 on the X, Y, Z three axes to be 0.05mm through the screw drive and/or the hydraulic drive.
To facilitate the treatment of the wound, the bed frame 41 can rotate around X, Y axis, around X, Y axis: 15 deg.. The rotation around the X, Y axis can be realized by the support height of the bed frame 41 changing, or the bed frame 41 can be driven by a motor.
The utility model discloses utilize multispectral imager 2 to skin burn and debridement degree instant diagnosis, the clear parameter of creating of laser at the different burn degree positions of control skin realizes that the precision to degeneration necrotic tissue such as skin after the burn, clear away fast, have advantages such as precision height, fast, good reliability, automatic scanning, debridement are efficient, have the potential of wide application.
In the above embodiment, the turning joint group 6 is used as the turning joint, but it may be a single turning joint, and the turning direction is the X or Y axis. The increase of the number of the steering joints can enlarge the wound treatment range and facilitate the treatment operation.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a clear all-in-one of creating of high accuracy fiber laser diagnosis for burn diagnosis and treatment which characterized in that: the device comprises a fiber laser (1), a multispectral imager (2), a beam scanner (3) and a moving bed (4); wherein,
the optical fiber laser (1) is used as an infrared optical fiber laser light source and is used for generating infrared band ultrashort pulse laser, and an output optical fiber of the optical fiber laser (1) is connected with a beam scanner (3);
the beam scanner (3) is arranged on the integrated machine frame (5) through a rotary joint, is positioned above the moving bed (4), and is used for focusing and scanning and outputting ultrashort pulse laser generated by the fiber laser (1) through a lens (32);
the multispectral imager (2) is fixed on a rotary joint and synchronously moves with the beam scanner (3) relative to the integrated machine frame (5), the output signal of the multispectral imager (2) is connected with the fiber laser (1) and is used for diagnosing the depth and area of medical burn, the acquired spectral burn data is transmitted to the fiber laser (1), and the working mode and parameters of the fiber laser (1) are determined according to the burn depth, area and grade of the burn data;
the moving bed (4) comprises a bed frame (41) and a X, Y, Z three-axis moving platform (42) for carrying the wounded, so that the wounded can move and rotate along with the light beam.
2. The integrated machine of claim 1 for diagnosis and debridement by fiber laser with high precision for diagnosis and treatment of burn, which is characterized in that: the optical fiber laser (1) selects an optical fiber femtosecond laser as a laser light source, the output wavelength of the laser light source is 800nm, the single-pulse energy is 10mJ, the average power is 10W, and the pulse width is<600fs, beam divergence less than 1mrAd, repetition frequency 1kHz, energy stability less than 1.5%, beam diameter less than 12mm, and spot mode TEM00Beam quality factor M2＜1.2。
3. The integrated machine of claim 1 for diagnosis and debridement by fiber laser with high precision for diagnosis and treatment of burn, which is characterized in that: the multispectral imager (2) adopts a high-resolution multispectral imager (2) based on a liquid crystal modulator, and the imaging spectral band is as follows: 400 nm-1700 nm, scanning spectrum width: 4 nm-20 nm, field angle: not less than 15 degrees and not more than 7 mu m of spatial resolution.
4. A high precision fiber laser diagnosis and debridement integrated machine for burn treatment according to any one of claims 1 to 3, characterized in that: the beam scanner (3) includes:
the mechanical arm (34) is connected with the integrated machine frame (5) through the rotary joint; an optical fiber collimator (31) fixed in the robot arm (34); the lens (32) is fixed in the rotary joint, is clamped or loosened by the lens clamp holder (35) and rotates along with the optical fiber collimator (31), and the rotation of the lens is driven by the rotary joint, so that the light beam always vertically enters the center of the lens (32);
and the laser displacement sensor (33) is fixed on the side surface of the optical fiber collimator (31) and moves randomly along the optical fiber collimator (31), and is used for measuring the three-dimensional height of the burned skin surface in real time.
5. The integrated machine for diagnosis and debridement by high-precision fiber laser for burn treatment according to claim 1, wherein the rotary joint comprises a rotary joint group (6) rotating along an X, Y axis, and a rotary motor is arranged at a joint of the rotary joint group (6) and is used for controlling the rotation of the light beam scanner (3).
6. The integrated machine of claim 4, which is used for diagnosis and debridement of burn with high precision and fiber laser, and is characterized in that: the surface of the lens (32) is plated with an antireflection film of 800nm, the focal length is 160mm, and the lens can move +/-50 mm along the Z axis.
7. The high-precision fiber laser diagnosis and debridement all-in-one machine for burn treatment according to claim 4, characterized in that: the laser displacement sensor (33) has the wavelength of 632nm and the power of 50 mW.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488162.5U CN206822613U (en) | 2016-12-30 | 2016-12-30 | A kind of high-precision optical fiber laser diagnostics debridement all-in-one for diagnosis and treatment of burning |
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| CN201621488162.5U CN206822613U (en) | 2016-12-30 | 2016-12-30 | A kind of high-precision optical fiber laser diagnostics debridement all-in-one for diagnosis and treatment of burning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725335A (en) * | 2016-12-30 | 2017-05-31 | 中山大学附属第医院 | High-precision optical fiber laser diagnosis and debridement integrated machine for diagnosis and treatment of burns |
| CN113599227A (en) * | 2021-08-10 | 2021-11-05 | 南通大学附属医院 | Image processing-based immersion bath self-service and automatic nursing equipment for burn and scald rehabilitation |
-
2016
- 2016-12-30 CN CN201621488162.5U patent/CN206822613U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725335A (en) * | 2016-12-30 | 2017-05-31 | 中山大学附属第医院 | High-precision optical fiber laser diagnosis and debridement integrated machine for diagnosis and treatment of burns |
| CN106725335B (en) * | 2016-12-30 | 2023-07-18 | 中山大学附属第一医院 | A clear all-in-one of creating of high accuracy fiber laser diagnosis for burn diagnosis and treatment |
| CN113599227A (en) * | 2021-08-10 | 2021-11-05 | 南通大学附属医院 | Image processing-based immersion bath self-service and automatic nursing equipment for burn and scald rehabilitation |
| CN113599227B (en) * | 2021-08-10 | 2023-08-15 | 南通大学附属医院 | Burn and scald rehabilitation is with soaking bath self-service and automatic nursing equipment based on image processing |
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