Endoscope with internal light source and power supply
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-001/06
출원번호
US-0855780
(2007-09-14)
등록번호
US-8152715
(2012-04-10)
발명자
/ 주소
Root, Thomas V.
Gavalis, Robb M.
Krupa, Robert J.
Parillo, Anthony J.
Laflash, William F.
Levshina, Aleksandra
출원인 / 주소
Optim, Incorporated
대리인 / 주소
Dingman, Brian M.
인용정보
피인용 횟수 :
8인용 특허 :
94
초록▼
The present invention provides an endoscope with a watertight and air-tight endoscope handle that in preferred embodiments contains in its interior a solid-state light source and a gas permeable and liquid impermeable sealed compartment holding a battery and an electronic circuit, where the sealed c
The present invention provides an endoscope with a watertight and air-tight endoscope handle that in preferred embodiments contains in its interior a solid-state light source and a gas permeable and liquid impermeable sealed compartment holding a battery and an electronic circuit, where the sealed compartment is preferably transverse to the long axis of the endoscope handle, and, in certain embodiments, at least partially surrounded by a movable structure.
대표청구항▼
1. An endoscope having a proximal end and a distal end comprising: an elongated shaft having a proximal end and a distal end disposed at the distal end of the endoscope connected toan endoscope handle that is disposed at the proximal end of the endoscope,the endoscope handle having a proximal end an
1. An endoscope having a proximal end and a distal end comprising: an elongated shaft having a proximal end and a distal end disposed at the distal end of the endoscope connected toan endoscope handle that is disposed at the proximal end of the endoscope,the endoscope handle having a proximal end and a distal end and an exterior, an interior, and a longitudinal axis, wherein the shaft and the endoscope handle are sealed to be liquid and gas impermeable;optical components located at or near the proximal end of the endoscope handle;a solid-state light source contained within the interior of the endoscope handle; anda sealed compartment contained within the interior of the endoscope handle, wherein the sealed compartment contains at least one battery that powers a light source control circuit electrically connected to the solid-state light source;wherein the sealed compartment comprises a liquid impermeable and gas permeable vent;the liquid impermeable and gas permeable vent of the sealed compartment comprises a liquid impermeable and qas permeable membrane, the liquid impermeable and qas permeable membrane being configured to provide gaseous communication between components contained by the sealed compartment and the interior of the endoscope handle; anda leak test vent carried by the endoscope handle, the leak test vent configured to direct gas to the interior of the endoscope handle and to an interior of the sealed compartment via the liquid impermeable and gas permeable membrane of the sealed compartment. 2. The endoscope of claim 1 wherein the sealed compartment is oriented at an angle of about 80-100degrees to the longitudinal axis of the endoscope handle. 3. The endoscope of claim 1 wherein the optical components include an eyepiece, a still camera or a video camera. 4. The endoscope of claim 3 wherein the eyepiece is interchangeable with a still camera or a video camera. 5. The endoscope of claim 1 wherein the light produced by the internal solid-state light source can be continuously varied in intensity. 6. The endoscope of claim 1 wherein the internal solid-state light source is a light emitting diode. 7. The endoscope of claim 1 wherein the shaft further comprises an illumination light guide having a proximal end and a distal end, wherein the proximal end of the illumination light guide is optically connected to the solid-state light source and the distal end of the illumination light guide extends to the distal end of the shaft. 8. The endoscope of claim 1 wherein the shaft further comprises an image guide having a proximal end and a distal end, wherein the proximal end of the image guide is optically connected to the optical components and the distal end of the image guide extends to the distal end of the shaft. 9. The endoscope of claim 1 wherein at least part of the shaft is flexible. 10. The endoscope of claim 1 wherein the sealed compartment is at least partially surrounded by a movable structure. 11. The endoscope of claim 10 wherein the movable structure is an articulation drum. 12. The endoscope of claim 1 wherein the light source control circuit includes a linear Hall-effect sensor. 13. The endoscope of claim 1 wherein the battery is a rechargeable lithium ion battery. 14. The endoscope of claim 13 wherein the battery is recharged by inductive coupling to a battery charger. 15. An immersible endoscope having a proximal end and a distal end comprising: an elongated shaft at the distal end connected toan endoscope handle at the proximal end of the immersible endoscope, the endoscope handle having a proximal end and a distal end and an exterior, an interior, and a longitudinal axis, wherein the shaft and the endoscope handle are sealed to be liquid and gas impermeable;imaging components located at or near the proximal end of the endoscope handle;a solid-state light source contained within the interior of the endoscope handle; anda sealed compartment contained within the interior of the endoscope handle that is oriented transversely to the longitudinal axis of the endoscope handle, wherein the sealed compartment has at least one liquid impermeable and gas permeable vent and contains at least one rechargeable battery that powers a light source control circuit electrically connected to the light emitting diode;the liquid impermeable and qas permeable vent of the sealed compartment comprises a liquid impermeable and gas permeable membrane, the liquid impermeable and qas permeable membrane being configured to provide gaseous communication between components contained by the sealed compartment and the interior of the endoscope handle; anda leak test vent carried by the endoscope handle, the leak test vent configured to direct gas to the interior of the endoscope handle and to an interior of the sealed compartment via the liquid impermeable and gas permeable membrane of the sealed compartment. 16. The endoscope of claim 15 wherein the imaging components include an eyepiece, a still camera or a video camera. 17. The endoscope of claim 15 wherein the light produced by the internal solid-state light source can be continuously varied in intensity. 18. The endoscope of claim 15 wherein the internal solid-state light source is a light emitting diode. 19. The endoscope of claim 18 wherein the light emitting diode is in thermal communication with an internal frame of the endoscope handle. 20. The endoscope of claim 15 wherein the sealed compartment is at least partially surrounded by a movable structure. 21. The endoscope of claim 15 wherein the light source control circuit includes a linear Hall-effect sensor. 22. An immersible endoscope having a proximal end and a distal end comprising: an elongated shaft at the distal end connected toan endoscope handle at the proximal end of the immersible endoscope, the endoscope handle having a proximal end and a distal end and an exterior, an interior, and a longitudinal axis, wherein the shaft and the endoscope handle are sealed to be liquid and gas impermeable;imaging components located at or near the proximal end of the endoscope handle;a light emitting diode contained within the interior of the endoscope handle; anda sealed compartment contained within the interior of the endoscope handle and oriented transversely to the longitudinal axis of the endoscope handle, wherein the sealed compartment contains at least one rechargeable battery that powers a light source control circuit electrically connected to the light emitting diode,wherein the sealed compartment comprises a liquid impermeable and gas permeable vent;the liquid impermeable and gas permeable vent of the sealed compartment comprises a liquid impermeable and gas permeable membrane, the liquid impermeable and qas permeable membrane being configured to provide gaseous communication between components contained by the sealed compartment and the interior of the endoscope handle; anda leak test vent carried by the endoscope handle, the leak test vent configured to direct gas to the interior of the endoscope handle and to an interior of the sealed compartment via the liquid impermeable and gas permeable membrane of the sealed compartment. 23. The endoscope of claim 22 wherein the sealed compartment is at least partially surrounded by a movable structure. 24. The endoscope of claim 22 wherein the light source control circuit includes a linear Hall-effect sensor.
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