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Endoscope, endoscope head and method for manufacturing an endoscope

A technology of endoscope and lens, applied in the field of endoscope, can solve the problems of high manufacturing cost and insufficient anti-rotation performance

Active Publication Date: 2018-08-28
KARL STORZ GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the endoscope known from EP 1 872 706 A1 the anti-rotation achievable by letting material flow into the protuberance is not always optimal
In addition, in order to introduce the grooves and ridges along the entire circumference into the endoscope lens, several working steps are required, which results in high manufacturing costs

Method used

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  • Endoscope, endoscope head and method for manufacturing an endoscope
  • Endoscope, endoscope head and method for manufacturing an endoscope
  • Endoscope, endoscope head and method for manufacturing an endoscope

Examples

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Embodiment Construction

[0036] like figure 1 Schematically shown, an endoscope 1 according to the invention comprises an endoscope lens 2 and an elongated endoscope shaft 3 . Endoscope pole 3 in figure 1 The endoscope 1 shown as a rigid endoscope has a rigid design and has a shaft tube 4 which forms the outer tube of the endoscope shaft 3 . The proximal region 5 of the shaft tube 4 is fixedly connected to the housing 6 of the endoscope head 2 . On the distal side, the housing 6 has a frustoconical surface 7 for connection to the instrument shaft of the endoscope, for which a locking element 8 is also provided. On the proximal side, the housing carries an eyepiece shield 9 . An optical connection tube 10 is provided laterally of the housing 6 . Optical structural elements, not shown in the drawing, are accommodated within the endoscopic lens. The shaft tube 4 and the housing 6 of the endoscope head 2 are made of stainless steel, for example.

[0037] figure 2 A longitudinal section through the...

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PUM

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Abstract

An endoscope according to the invention comprises an endoscope shaft (3), which has a cylindrical shaft tube (4), and an endoscope head (2), which is arranged at a proximal end of the endoscope shaft(3) and, in a distal end region (11), has a cylindrical interior (13) with a peripheral groove (15), wherein the shaft tube (4) is inserted into the cylindrical interior (13) and folded into the peripheral groove (15). According to the invention, the groove (15) is not rotationally symmetrical. The invention further relates to an endoscope head and to a method for producing an endoscope.

Description

technical field [0001] The present application relates to an endoscope, an endoscope lens and a method for producing an endoscope. Background technique [0002] Endoscopes are used to observe cavities in the human or animal body as well as cavities in technical objects. Endoscopes typically include an elongated elongated cylindrical endoscope shaft and a proximal end disposed at and fixedly connected to the endoscope shaft at a proximal end (ie, near the user's end) of the endoscope shaft. A field-connected endoscopic head, the endoscopic shaft being adapted to be introduced into a cavity to be observed, which may comprise a joint and an operating element as well as an observation eyepiece. An optical system is provided inside the endoscope shaft and endoscope lens for transmitting an endoscopic image from the distal end (ie, the end remote from the observer) to the proximal end of the endoscope. [0003] Endoscopes are subjected to enormous mechanical and thermal loads du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/00A61B1/04A61B1/06
CPCA61B1/00064A61B1/00071A61B1/0011A61B1/00163A61B1/04A61B1/0661A61B1/00066A61M25/0014G02B23/2476A61B1/00073
Inventor 丹尼尔·卡彻克劳斯·拉默
Owner KARL STORZ GMBH & CO KG
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