Electric surgical bed? Free Edit? Add item name
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Electro-hydraulic surgical beds are powered by electric hydraulics, and the main control structure consists of control switches, speed control valves and solenoid valves, which provide a hydraulic power source through the electro-hydraulic gear pump to control the reciprocating motion of the bidirectional hydraulic cylinders and control the surgical beds through the handle keys to change the positions, such as lifting, tilting, tilting left and right, tilting back and forth, lumbar and backward tilting, and so on. It also controls various position changes of the operating table through the handle buttons, such as lifting, tilting, tilting backward and forward, lumbar back lifting, moving and fixing, etc., so as to meet the requirements of surgical operation.
Chinese name
Electric operation bed
Foreign name
Electric operation bed
Composition and function
Basic composition
Electric operation bed consists of table top, main body, electric control and accessories. Surgical bed table top composition:It is composed of headboard, backboard, seat board and leg board, including headboard surface, backboard surface, seat board surface, left leg board surface, right leg board surface and waist board surface*** 6 parts. This combination design not only realizes the rise and fall of the surgical bed, the left and right front and back tilt and the head, back, waist and leg boards and other individual manipulation, but also realizes the surgical position adjustment only through the change of the table surface. [1]
Common accessories
The surgical bed is generally equipped with a dirt bucket, arm tray, leg tray, head frame, arm board, anesthesia poles and infusion racks, etc., in order to assist in position adjustment and meet the needs of the operation; equipped with shoulder straps, leg straps, wrist straps, and body straps to protect the patient under general anesthesia in the operation does not fall out of the operating bed; its boards, trays, and racks, etc. are equipped with special sponge cushions to ensure patient comfort and the body during surgery. The patient's comfort and normal circulation of body fluids during surgery. The operation control device of the electric surgical bed: the general use of electro-hydraulic transmission, mainly by the electric gear pump, hydraulic cylinder, relief valve, solenoid valve, positioning control switch and power supply and other components. Electro-hydraulic drive control through the wired hand controller, infrared remote control, foot controller and auxiliary controller to complete. The hand press controller is divided into wired and rechargeable infrared remote control type, according to the ergonomic design, completely sealed and durable, can avoid corrosion in the operating room environment and fall damage. It not only displays battery strength, but can also be operated with one hand. It features convenient function keys for composite programs, auto-detection function that detects malfunctions, auto-floor locking, auto reset, and auto rise and fall. Combined with the foot controller, it is convenient for the surgeon to adjust the surgical position directly; the auxiliary controller is an independent emergency control panel, which can be activated when the remote control fails in order to adjust various positions.
Main function
The basic function of the surgical bed is to adjust the surgical position, expose the surgical field, and make the surgery proceed smoothly. There are 5 major positions commonly used in the operating room, which are prone position, supine position, tilted position, perineal position and sitting position, as shown in Figure 2. Electric surgical beds are suitable for head and neck, chest and abdomen, limbs, urology and five senses and other parts of the surgery, in line with the characteristics of human anatomy and the need for medical care, has the following characteristics:
(1) ergonomic design, can effectively reduce the labor intensity of the medical staff.
(2)Beautiful appearance, high surface finish, corrosion resistance, high mechanical strength after plastic spraying. The body is composed of stainless steel, aluminum alloy, spreading cast iron and other high-grade materials, of which the base, lifting column and other major transmission structures are all covered with stainless steel. The bed board is composed of stain-resistant, acid and alkali resistant high-strength bakelite, fire-resistant and durable, with good X-ray penetration. The conductive mattress prevents bedsores and static electricity.
(3) The types are increasing , including built-in lumbar bridge, five-section off-center column, C-arm catheter, etc., which are convenient and safe, fully functional, with high control precision and long service life.
(4) intelligent, computer-controlled surgical beds in recent years there has been a substantial increase in computer-controlled systems, all positions of single-key control.
(5) often equipped with a variety of parts to expand the function of the equipment, applicable to surgery, gynecology, urology, ophthalmology, orthopedics, anorectal and otolaryngology and other types of departments.
Folding editorial working principle
Electro-hydraulic surgical bed to electric hydraulic power, by the control switch, speed valve and solenoid valve composed of the main body of the control structure, through the electro-hydraulic gear pumps to provide a hydraulic power source, to control the reciprocating motion of the two-way hydraulic cylinder, and through the handle keys to control the surgical bed for a variety of positional changes, such as lifting and lowering, left and right tilting, forward and backward tilting, back lifting, moving fixed and other functions, such as the back, back lifting, moving fixed and other functions. The bed is controlled by the handle button to change various positions such as lifting, tilting left and right, tilting forward and backward, lumbar lifting, moving and fixing, etc., so as to meet the requirements of operation.
Folding hydraulic system:
The hydraulic system is characterized by compact structure, small volume, light quality, low noise, smooth control, easy installation and overall layout. Hydraulic system includes tank, check valve, solenoid valve, relief valve, capsule accumulator, pressure gauge, throttle valve and cylinder. The capsule accumulator can be used as a power source to store the pressure oil and release the energy when needed. The pressure is automatically compensated according to the pressure gauge. The drive motors are driven independently by their respective drives. The two sides of the surgical bed are equipped with proximity-controlled bed controllers, and various motion controls can be accomplished by hand controllers.
Circuit system:
The parameters of the electric surgical bed are controlled by microprocessor. The microprocessor is connected to the hydraulic and motor actuators through the control drive section, and the hydraulic and motor actuators are used to accomplish various motions of the surgical bed, including forward and backward movement, longitudinal movement, ascending and descending movement, and bed rotation. The use of microprocessor design can simplify the circuit design, greatly reduce the line failure points, to ensure the reliability of the action.
Edit paragraph technical requirements
Electric surgical beds mostly use hydraulic cylinders or gas spring cylinders. The bed base adopts Y-shape design to ensure that the surgical bed has the highest stability and the freest space, so that the medical staff has zero distance to the surgical patients. Surgical beds should have very good mobility, using four wheels on the ground design, easy to move, and has a central mechanical brake device, casters through the foot lever central locking or unlocking. Its bearings are all sealed and waterproof, easy to clean, and water, blood and suture heads from surgery will never get entangled in the bearings. Head and foot tilt and side-to-side tilt can be obtained by simply squeezing the head handle to obtain the clinically required position. The joints of the leg and back plates are supported by gas spring cylinders, which make all kinds of adjustments gentle, silent and vibration-free, and at the same time effectively protect the joint structure and prevent the patient from tipping over. In accordance with the individual characteristics of the Chinese people, China's medical equipment industry standards: the length of the surgical bed surface 2 m, 0.48 m wide, the whole table front and rear tilt angle of not less than 25 °, left and right tilt angle of not less than 20 °, the headboard surface on the folding angle of not less than 30 °, the folding angle of not less than 45 °, the folding angle of the surface of the back plate of not less than 80 °, the back plate and the seat of the board surface angle folding angle on the folding angle of not more than 90 °, the folding angle of not more than 160 °, the waist board surface down folding angle of not less than 90 °. The lower folding angle is not less than 90 °, waist bridge elevation is not less than 0.12 m. At the same time, the industry standard also requires: operating table products to maximize the use of two-legged plate structure, two-legged plate can be rotated to the two outer side in the same plane, after the rotation of the two legs of the plate surface of the inner side of the angle between the surface of the table is not less than 180 °, all the adjustments are made using the stepless change type.
Use of the current situation
Electric surgical beds and other surgical beds comparison of surgical beds is one of the basic medical equipment for surgical treatment, from the classification is mainly divided into: lightweight surgical beds, manual hydraulic drive surgical beds and electric surgical beds. Lightweight surgical beds are generally made of thin steel plate, steel or other materials, mainly by the bed frame and bed surface 2 parts. The structure is simple and lightweight, suitable for general diagnosis and treatment, inspection and other surgical use, can be folded or disassembled when not in use, easy to load and transportation, can be in a simple operating room, tents, surgical cabin, private rooms to unfold; but also for other special occasions, such as for field and field rescue of portable medical multifunctional diagnostic and therapeutic beds. Compared with the traditional surgical bed, its main features are foldable, small size, light weight, easy to carry.
Manual hydraulic transmission surgical bed using cylinders as the executive element to control the various movements of the table surface. Its main working process is: when the cylinder valve is opened, the upper and lower chambers of the cylinder is connected, at this time the piston can be adjusted to the desired position; close the cylinder valve, the cylinder on the lower chamber is separated, this is due to the gas pressure in the cylinder to keep the position of the piston is unchanged. As the electric surgical bed adopts the electro-hydraulic transmission mechanism, under the control of wired remote control or infrared remote control, with the foot control panel, it is convenient for the operator to adjust directly, and it can also be equipped with the Fig. 2 Electric surgical beds for different body positions central locking or loosening. Its bearings are all sealed and waterproof, easy to clean, and water, blood and suture heads during surgery will never be entangled in the bearings. Head and foot tilt and left/right tilt can be obtained by gently squeezing the head handle to obtain the clinically required position. The joints of the leg and back plates are supported by gas spring cylinders, which make all kinds of adjustments gentle, silent and vibration-free, and at the same time effectively protect the joint structure and prevent the patient from tipping over. In accordance with the individual characteristics of the Chinese people, China's medical equipment industry standards: the length of the surgical bed surface 2m, 0.48m wide, the whole table before and after the tilt angle of not less than 25 °, the left and right tilt angle of not less than 20 °, the headboard surface folding angle of not less than 30 °, the lower folding angle of not less than 45 °, the backboard surface folding angle of not less than 80 °, the backboard and the seat board surface angle folding angle of not more than 90 °, folding angle of not more than 160 °, the lumbar board surface folding angle of not less than 90 °, the lower folding angle of not more than 160 °, the waist board The lower folding angle is not less than 90 °, waist bridge elevation is not less than 0.12 m. At the same time, the industry standard also requires: operating table products to maximize the use of two-legged plate structure, two-legged plate in the same plane can be rotated to the two outer side, after the rotation of the two legs of the plate surface of the inner side of the angle between the surface of the table is not less than 180 °, all the adjustments are made using the stepless change type.
Precautions
Precautions for the safe use of electric surgical beds
1, press the hand to press the electric grip switch on the controller panel? to enter the operation preparation stage.
2, the correct start and release the base brake. Step down the brake help plate next to the base? and move it under the fixed lever to fix it. Activate the central mechanical brake to secure the table.
3. Preventing injury from exhaustion (1) Preventing tipping: After opening the base brake? Not locking and fixing the electric surgical table. At this time to operate the operating table or travel shift conversion of patients? Can occur in the surgical bed shift, tilt case. Into the patient fell out of bed. So after completing the adjustment operation must be locked surgical bed. (2) to prevent pinching or pressure injury: when the release of the base brake? Do not put your feet under the base. (3)Prevent tripping: Place the cord in the proper place to avoid tripping while walking. (4) Prevent electric shock: Do not operate or service the table while the electrical access cover or control components are removed. Do not operate or service the operating table. (5) Prevent burns: When using an electrosurgical knife? Prevent the patient's skin from touching the metal parts of the operating table? Avoid bypass burns.
4, hand-press control board should be hung on the side of the operating bed steel rail. Its line should be avoided face clip injury, pressure injury. Prevent the line from reporting bad.
5, do not put I heavy objects in the power line or let the trolley drop out of the electric pie line.
6, do not let the patient sit on the operating table headboard, hand price board or leg board. Excessive weight can cause accessories bending report bad. Head board and long board maximum load basin 40kg. when the two leg board apart more than 450? Only can Yi claw 20kg. surgical bed to withstand the claw most should not exceed 150kg.
7, do not put objects, accessories or heavy objects in the surgical bed base on the outer cover.
8, surgical beds and accessories of cleaning, disinfection (1) the use of surface-active thorny and phosphorus gel salt containing a weak glass of clean put thorny clean put surgical beds and accessories. (2) the disinfection of surgical beds should be used to disinfect the surface disinfectant containing ethyl limit Tsuen diluted disinfection of surgical beds? Can not use scratch, containing scratch compounds and mixtures containing ethyl intoxicant? to avoid corrosion of metal surfaces. (3) Do not use cleaning agents and water to spray or rinse the base? Prevent the internal electrical control system from short-circuiting, rusting or malfunctioning of spare parts.
9. Do not operate the hydraulic motor continuously for more than 5 minutes. To avoid malfunction.
10, the purchase of a full unified manufacturer. In order to reduce the use and management of ni chaos. At the same time accessories can also be common. Avoid duplication, waste of resources.
11, good management of accessories? When not in use should be placed in an orderly manner in a special dish rack. Regular inspection. To prevent loss and damage.
12, master the correct reading section of the electric surgical bed and the use of different conditions and installation methods.
13, regularly check the function of the electric surgical bed. Maintenance work by professionals. Ensure that surgical needs. Electric adjustable surgical bed to charge on time. To facilitate intraoperative use.