Safetyprecautions for laser surgery with laser protective spectacles
Lasersurgery using the main varieties, carbon dioxide (CO2) gas laser (wavelength10.6 infrared laser) and neodymium doped yttrium aluminum garnet laser(Nd:YAG), 1.06 (wavelength infrared laser), incision, condensation for twokinds of laser, which can be used for a variety of endoscopic endoscopictreatment.
Laserhas been widely used in medicine, and it is widely used in clinical practice.Because of the special nature of the laser, the use of high power, the humanbody has certain harm, it is necessary to focus on the use of laser surgicalinstruments safety measures.
Oneof the most common hazards of laser surgery and safety systems laser scalpel iseye and skin damage. Electric shock, harmful substances attack, burning andblasting, X-ray attack and noise, in order to avoid these incidents attack, itis necessary to use the safe operation to establish security system. Safetysystem: in the security system, the closed ring reaction seems useful, that endinformation gathering, system analysis, and formulate and implement measures.Security system includes: information gathering, analysis, trouble naturesystem, to research and implementation. Security system specifications can bedivided into skills, management and human factors.
Two,the use of laser knife attention matters in the use of laser attention mattersusually pay attention to matters, and special attention to the two.
1 handling methods
(1) the medical part of the custody of lasersurgery equipment, the selection of personnel handling, deputy, the 1.
(2) the handling personnel shall beresponsible for the laser processing area and laser storage and handling.
(3) the use of laser knife is necessary tolisten to the views of management personnel.
(4) the personnel shall draw up a roster forthe use of personnel and keep them properly.
(5) handle the personnel assigned to thelaser, and carry out the teaching of the fundamental and skills.
(6) the use of personnel is necessary throughstrict training, and a full understanding of the laser, grasp the use of laserknives, safety management and risk avoidance.
2 management area
(1) the district shall be selected by theoperator and shall be marked with the symbol of the management area.
(2) apply for a warning sign in a conspicuousplace, use the laser designation and handle the matters needing attention.
(3) the personnel who enter the smallprocessing area must be approved by the manager, and carefully listen to themanager for handling the matters needing attention in the area and themaintenance methods.
(4) before and after entering the area ofpersonnel should be visual examination, visual acuity should pay attention tothe weakening. Management of equipment and supplies:
The manager shall clarify the equipment andthe installation according to the equipment.
Laser equipment and safety managementrequirements of equipment and goods, as the manager.
Inaccordance with the use of the instructions for maintenance. Check regularlyand record the results.
Theuse of a written record:
Principleof laser operation.
Effectof laser on human body.
Protectionof skin and eyes.
Patientsafety measures.
The use of personnel and other securitypersonnel.
Toavoid surgical instruments, machines and other measures of reflection. Othernecessary safety measures:
Shouldpay attention to high voltage electric shock treatment (resuscitation).
Preparation and application of equipment.
Equipment shutdown process.
Theoperation function of bad attack equipment fault, using the limit rules.
The maintenance and check the size of therules.
3laser surgery and safe handling of laser in addition to the eyes and skindamage effect, but also lead to other complications, such as reflective burns,such as fault shine. Note when laser surgery should be used as the main coursesof operation room nurses and surgeons, other relevant personnel of teaching(note has above). Laser safety management in operation room:
(1) operation room safety managementorganization.
(2) teaching of doctors and nurses.
(3) the establishment of laser processingarea.
(4) symbol in laser application.
(5) to ensure the safety of patients,surgeons, nurses and trainees.
Three, laser surgery matters needingattention
1wear laser protective glasses.
2to avoid accidental injury, skin and airway maintenance.
3operator and machine operation.
4do not use flammable substances (nylon cover, anesthetic gas).
5use of anti reflection devices (black gold plated (chrome) instruments).
Four,laser surgery of the construction and equipment of laser knife usually use highpower laser, it is necessary to have a high voltage power supply, electricpower equipment cooling water supply equipment and safety equipment operationroom and subordinate.
1 laser operation room operation room shouldhave all kinds of laser equipment, suitable for all kinds of surgery. With thedevelopment of laser surgery, even if an operation, it is not possible to use alaser ideal laser surgery, sometimes the need for 2 to 3 laser combination, orcombined with traditional surgery. Laser operation room should be wide, about12 ~ 20m2, and ordinary operation room adjacent, and some can establishspecialized laser surgery room. For use with other laser surgery. The laser operationroom consists of the equipment room, the device room, various measuringinstruments, laser surgery equipment, and the laser processing area.
2laser surgery equipment power laser surgery equipment (laser knife) it isnecessary to use high voltage power supply. Typically, carbon dioxide (CO2)laser surgical equipment (power 60W) with 100V, 40A, when using 200V, 20A.Nd:YAG laser equipment (power 100W) with three-phase power supply, 220V, 40A.Operation room, power should be used non ground type power supply two insulatedtransformer, can avoid the shock.
Three
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