Endoscope with elastic actuator comprising a synthetic rubber tu

Details Endoscope with elastic actuator comprising a synthetic rubber tu Endoscope with elastic actuator comprising a synthetic rubber tu

1988-02-01

1989-05-23

Henry, Jon W.

Surgery

Truss

Pad

350577, 350632, 350563, 350 9626, 128 6, A61B 106, G02B 606, G02B 704, G02B 722

Patent

active

048324736

ABSTRACT:
An endoscope has a flexible insertion portion having distal and proximal end portions. Elastic actuators for bending the insertion section are mounted in the insertion section. Each elastic actuator has an inner space and is longitudinally expanded/contracted when a fluid is supplied to/discharged from the inner space. A converting unit is provided in the insertion section and converts an expanding/contracting motion of the elastic actuator into a bending motion of the insertion section. The elastic actuator is connected to a control unit for controlling the fluid in the inner space of the elastic actuator.

REFERENCES:
patent: 3572325 (1971-03-01), Buzell et al.
patent: 3739770 (1973-06-01), Mori
patent: 3799151 (1974-03-01), Fukaumi et al.
patent: 4290421 (1981-09-01), Siegmund
patent: 4292961 (1981-10-01), Kawashima
patent: 4575185 (1986-03-01), Wentzell et al.
patent: 4620769 (1986-11-01), Tsuno

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