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and adjustments

Fig. 7.23. Rolling operating table column

Adjustments are made: 4 manually and with pedals or 4 by electrohydraulic means, battery driven or 4 by electromechanical means, also battery driven

The movements of the electric operating tables and the operating table systems are transmitted by a cable or cordless infrared remote control. Other control elements include a wall control panel and foot switch; a voice-controlled system is also available to the surgeon. This means that generally the adjustments are performed outside the sterile operating area without affecting the operating team at all and preserving sterility.

Today, mobile operating tables also have a kind of »emergency control«, the so-called »override panel« integrated in the operating table column (O Fig. 7.27).

The optional travel drive allows for the circulation concept at mobile operating tables (O Fig. 7.28). The large wheel diameter no longer causes any damage to the floor covering and some models are even capable of taking patient weights of up to max. 450 kg. But machine washing is not permitted.

D Fig. 7.24. The operation suite circulation principle:

1. Transfer to the operating table

2. Anaesthetic

3. Operation

4. Post-anaesthesia room

5. Transfer to hospital bed

6. Cleanmaquet and storage area for operating patient boards

D Fig. 7.25a-f. A selection of universal and special operating patient boards Alphama-quet 1150/1140 from 1994/95 a Modular universal operating patient board 1150.30 b Universal operating patient board 1150.19 c Modular universal operating patient board 1150.20 for orthopaedics and traumatology

Operating patient board 1150.25 for operations to the head Operating patient board 1150.16 for vascular surgery, interventional radiology, orthopaedics and traumatology Operating patient board 1150.23 for urology, orthopaedics and vascular surgery d f

□ Fig. 7.25g-j. A selection of universal and special operating patient boards Alphamaquet 1150/1140 from 1994/95 g Operating patient board 1150.22 for general surgery and minimally invasive surgery h Operating patient board 1150.15 for orthopaedics, vascular surgery and traumatology Operating patient board 1140.14 for paedi-atric surgery j Operating patient board 1140.17 for ophthalmology

□ Fig. 7.26. Highest possible hygiene standard thanks to machine cleaning with Cleanmaquet

Standard program operating patient boards End/start of cycle

Final drying 290 s Combined fresh air/ circulation air process with 60°C

280 sec.

Rinse and care program 25 s Use of rinse aid system with partial regeneration of the rinsing water

280 sec.

Rinse and care program 25 s Use of rinse aid system with partial regeneration of the rinsing water

240 sec.

Draining 15 sec.

255 sec.

Combined cleaning and disinfection 240 sec. Use of the Fluidic rinsing system in cycles controlled by the program

240 sec.

Draining 15 sec.

255 sec.

7.1.4 Classification criteria according to the purpose

Universal operating tables. The patient boards for the »universal operating tables« are divided into up to 9 sections and can be adjusted in such a way that the patient can be positioned according to the surgeon's requirements specifically for the pending operation (O Figs. 7.29, 7.30).

Special operating tables. Ongoing developments in general surgery as a result of new findings and new operating methods have produced new surgical disciplines. As a result of this specialisation in surgery, new, different demands have been made of the operating table (O Figs. 7.31, 7.32).

Multifunctional universal operating tables have developed into special operating tables which comply with the specific requirements of the corresponding surgical discipline when it comes to positioning the patient.

7.1.5 Classification criteria according to the school of surgery

4 German school of positioning (O Fig. 7.33), 4 Anglo-American school of positioning (O Fig. 7.34), 4 French school of positioning (O Fig. 7.35).

O Fig. 7.29. Example of a universal operating patient board at the system

O Fig. 7.30. Example of a universal operating patient board on the mobile operating table

Fig. 7.31. Example of a special operating patient board at the system

O Fig. 7.32. Example of a special operating patient board on the mobile operating table

O Fig. 7.30. Example of a universal operating patient board on the mobile operating table

O Fig. 7.32. Example of a special operating patient board on the mobile operating table

7.1.6 Production, production control and safety

A modern operating table or modern operating table system today is without doubt a high-tech product that complies with the strictest safety requirements.

In Germany, special laws and testing specifications have been passed for medical devices. Since 13.06.1998 the Medical Product Law (MPG) has been in force in Germany as a result of the EU Council Directive 93/42/EEC about medical devices which had to be implemented throughout Europe.

The operating table is a class 1 medical device.

A Maquet operating table conforms to the CE regulations. The high safety and quality standard of an operating table is also a result of the company being certified to DIN EN ISO 9001 or EN 46001.

Various regulations, specifications and standards have to be fulfilled in the design and production of an operating table, for example: 4 AN test (anaesthesia test), 4 EMC test (electromagnetic compatibility), 4 Test of tilting stability (to a 5° or 10° slant),

Fig. 7.33. 6/9 segments in the operating patient board

4 Keeping a medical product logbook 4 Reporting any incidents

4 Only allowing authorised skilled staff to proceed with servicing and repairs, etc.

The MPBetreibV basically contains aspects which were already required in the previously valid MedGV.

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