Back to results
US 2018/0279856 A1Published application
Observation Instrument
AssigneeKarl Storz GmbH & Co. KG
InventorsPeter Eisenkolb, Johannes Eisenlauer, Stefanie Maichle, Florian Wanner
Life of this patent
Estimating the term…
Abstract
An observation instrument comprises an instrument shaft having a distal end and a proximal end, and an optical arrangement extending at least sectionally through the instrument shaft. The optical arrangement comprises at least one optical component that is accommodated in a support shaft. The support shaft is arranged in the instrument shaft in an at least sectionally axially displaceable manner and is preloaded distally.
Claims20
An observation instrument, comprising:
- a longitudinally extending instrument shaft having a distal end and a proximal end,
- a support shaft arranged in the instrument shaft, and
- an optical arrangement at least partially disposed in the instrument shaft,
- wherein the optical arrangement comprises at least one optical component that is arranged in the support shaft,
- wherein the support shaft is axially slidably supported in the instrument shaft, and
- wherein the support shaft is distally preloaded in the instrument shaft.
3 more elements
An endoscope, comprising:
- an instrument shaft having a distal end and a proximal end,
- a support shaft arranged in the instrument shaft, and
- an optical arrangement at least sectionally arranged in the instrument shaft,
- wherein the optical arrangement comprises at least one optical component that is arranged in the support shaft,
- wherein the support shaft is axially slidably supported in the instrument shaft,
- wherein the support shaft is distally preloaded in the instrument shaft, and
- wherein the optical arrangement in the support shaft is at least sectionally preloaded distally relative to the support shaft.
4 more elements
An endoscopic observation instrument, comprising:
- an instrument shaft having a distal end and a proximal end,
- a support shaft arranged in the instrument shaft,
- an intermediate shaft that is arranged between the instrument shaft and the support shaft, and
- an optical arrangement at least sectionally arranged in the support shaft and thus in the intermediate shaft and the instrument shaft,
- wherein the optical arrangement comprises at least one optical component that is arranged in the support shaft,
- wherein the support shaft is axially slidably supported in the instrument shaft,
- wherein the support shaft is distally preloaded in the intermediate shaft and thus in the instrument shaft,
- wherein the optical arrangement in the support shaft is at least sectionally preloaded distally relative to the support shaft, and
- wherein the intermediate shaft closes the support shaft and the optical arrangement arranged therein to the outside.
6 more elements
Dependencies are inferred from the claim text.