Jointed portion of a shaft for an endoscopic instrument
First Claim
Patent Images
1. A jointed portion of a shaft for an endoscope, said jointed portion comprising:
- a distal part of the shaft for the endoscope, said distal part having an optical element contained therein to generate an image;
a proximal part of the shaft for the endoscope;
two rigid jointed bars of different lengths, each rigid jointed bar connecting the distal part of the shaft with the proximal part of the shaft in a way to be angulated;
each rigid jointed bar having ends that are pivotally attached by joints within grooves in the distal and proximal parts;
an arm extending from one of the rigid jointed bars;
a push rod connected to the arm via an additional joint; and
the push rod and the arm each having a recess in an area of the additional joint, the recess of the push rod being disposed in the recess of the arm.
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Abstract
An endoscopic instrument, in particular an endoscope, with a jointed portion of a shaft for connecting a distal part of the shaft with a proximal part of the shaft in a way to be angulated. For this purpose, the distal shaft part is connected with the proximal shaft part by two rigid jointed bars of different lengths, wherein each of the rigid jointed bars attaches with a joint on the distal shaft part and a joint on the proximal shaft part.
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Citations
17 Claims
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1. A jointed portion of a shaft for an endoscope, said jointed portion comprising:
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a distal part of the shaft for the endoscope, said distal part having an optical element contained therein to generate an image; a proximal part of the shaft for the endoscope; two rigid jointed bars of different lengths, each rigid jointed bar connecting the distal part of the shaft with the proximal part of the shaft in a way to be angulated; each rigid jointed bar having ends that are pivotally attached by joints within grooves in the distal and proximal parts; an arm extending from one of the rigid jointed bars; a push rod connected to the arm via an additional joint; and the push rod and the arm each having a recess in an area of the additional joint, the recess of the push rod being disposed in the recess of the arm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An endoscope comprising:
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a jointed portion including; a distal part of a shaft, said distal part having an optical element contained therein to generate an image; a proximal part of the shaft; two rigid jointed bars of different lengths, each rigid jointed bar connecting the distal part of the shaft with the proximal part of the shaft in a way to be angulated; each rigid jointed bar having ends that are pivotally attached by joints within grooves in the distal and proximal parts; an arm extending from one of the rigid jointed bars; a push rod connected to the arm via an additional joint; and the push rod and the arm each having a recess in an area of the additional joint, the recess of the push rod being disposed in the recess of the arm; and an operating portion, the operating portion having operating elements and/or junctions.
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17. A jointed portion of a shaft for an endoscope, said jointed portion comprising:
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two rigid jointed bars of different lengths, each rigid jointed bar connecting a distal part of the shaft with a proximal part of the shaft in a way to be angulated; each rigid jointed bar having ends that are pivotally attached by joints within grooves in the distal and proximal parts; an arm extending from one of the rigid jointed bars; a push rod connected to the arm via an additional joint; and the push rod and the arm each having a recess in an area of the additional joint, the recess of the push rod being disposed in the recess of the arm.
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Specification