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The authors describe a new, digitally controlled operating table for neurosurgery. The apparatus includes a digitally controlled motor for manipulating the table and a rotary encoder with a central processing unit, which calculates and displays the table's position. The table can be operated with any type of digitalized computer system and its position is monitored by the encoder unit in real time.
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Pressure is a major factor in the development of pressure ulcers. This research focused on assessing the pressure-reducing effects of operating-table mattresses. Five mattresses were tested: a standard operating-table mattress, a foam mattress, a gel mattress, a visco-elastic polyether mattress, and a visco-elastic polyurethane mattress. Four intraoperative postures were evaluated: supine, lateral, fossa, and the Miles-Pauchet position. Interface pressure measurements were performed on 36 healthy volunteers. The foam mattress and the gel mattress seem to have little or no pressure-reducing effect; the polyurethane mattress and the polyether mattress reduce interface pressure significantly better (p < .001); but none of the mattresses reduce pressure sufficiently to prevent the occurrence of pressure ulcers.
At the Department of Obstetrics Berlin-Neukölln over a period of 4 years the fetal heart-rate was monitored on the operating table during 178 cesarean sections, which were indicated for arrest of labour in the pelvic inlet. After the induction of the anesthesia a clear influence on the oscillation pattern with lower oscillation frequency and amplitude - probably due to drugs - was seen in the cardiogram. The occurrence of pathological heart-rate patterns, such as decelerations and bradycardia were closely related to the depressed state and acidosis of the newborn. The cardiogram shows the danger of worsening in the infant's condition during anesthesia, and in these cases it permits a reduction in the induction-delivery-interval by changing the speed of the operation. Further, a retrospective interpretation of an unexpected clinical depression and acidosis in the newborn is possible, particularly in cases in which originally the fetus has not been at risk. For the above mentioned reasons it is recommended to carry out routine continuous registration of the fetal heart-rate on the operating table during cesarean sections.
A number of heating mats were developed for use on operating tables in order to avoid hypothermia and incidental cardiocirculatory changes in patients undergoing prolonged surgical interventions. Because of inadequate technical safety devices, they can cause burns in patients. We report the case of a patient who, undergoing surgery for an aortobifemoral bypass, died of 2nd and 3rd degree burns after having been placed on a Maquet mat. Other possibilities which may lead to such severe burns are discussed.
A laterally rotating surgical device that can be attached to conventional operating tables is described. The position of the patient can be safely and rapidly changed from a supine to a right or left lateral position of 60 degrees. This device is beneficial for performing operations using a thoracoabdominal approach such as is used in cases of resection of gastroesophageal cancer.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
This article introduces the principles and design of a multifunctional medical table which could be used to immobilize patient from/to bed to/from table, and it can also be used as an operating table. So the dangerous and serious patients can get continuous servo and monitoring during the transfer. The hydraulic pressure lifter, machinery transmission, flat movement and asymmetry structure are employed in the product.
We describe an operating theater blood transaction system (OTBTS) that is a novel computer software system incorporating electronic crossmatch and the concept of a "self-service" blood banking system in the operating theater. Through this system, the surgeons and the anesthetists can issue blood units for intraoperative transfusion for the patients with a negative antibody screen without the need for a porter service or pneumatic tube system. Since implementation of the OTBTS, the time for obtaining compatible blood for intraoperative transfusion has been reduced from 20 to 30 minutes to around 1 minute. Furthermore, the crossmatch-transfusion ratio was reduced to 1.05. The 23% of patients who required extra blood units (i.e., more than originally anticipated) during surgery further benefited from the system. The blood stock reserved for patients undergoing surgery was reduced by 20%. Therefore, the OTBTS is a system that can greatly enhance the efficiency and safety of intraoperative transfusion and can also save workforce resources.
The construction details for an inexpensive, easy-to-build operating table for hand surgery have been described. The table was specifically designed according to the needs of those working with it. It has been in daily use for over 2 years and has proved to be a popular product with all staff members.
We have developed what we call the instrument trio in the neurosurgical operating theatre: a remote-controlled operating microscope with magnetic lock, an operating table with remote-controlled X-Y shifter, and a floating operating chair. In addition other important improvements in instrumentation have been made; they include a quick sterilization system for the operating microscope, a multipurpose head frame and an improved retractor system. The instruments and their characteristics are described in detail.
The comfort was improved by better positioning on the operating table in six patients undergoing extensive hand surgery with axillary plexus block. Opposite to that we could show in 16 similar cases with traditional position during surgery some pain, chills and discomfort despite optimal block technique.
This communication describes the construction and method of use of an adjustable operating table. The small table was designed especially to immobilize guinea pigs for experimental ear surgery.
A design of elbow-rests to fasten surgeon's arms in the course of microsurgical operations is developed. Each of the elbow-rests is separately attached to the edge of the operating table by means of a cramp. With such a design, the elbow-rests gain a number of advantages as compared to the available devices.
For management of giant retinal breaks, I have developed an operating table that can rotate around its longitudinal and transverse axes 360 degrees. When this table is used in conjunction with intravitreal injection of air, a giant break can easily be tamponaded, regardless of its location.