IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0676517
(2000-10-02)
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발명자
/ 주소 |
- Nelson, Charles L.
- Saravia, Heber
- Nguyen, John
- Pennybacker, William P.
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출원인 / 주소 |
|
대리인 / 주소 |
Flynn, Thiel, Boutell & Tanis, P.C.
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인용정보 |
피인용 횟수 :
20 인용 특허 :
134 |
초록
▼
A surgical irrigation system is suitable for endoscopic and other surgical procedures. A hand held handpiece has a forward protruding hollow tip for supplying irrigation liquid to a surgical site, a hand actuable control for controlling irrigation liquid flow to the tip, and an irrigation liquid inl
A surgical irrigation system is suitable for endoscopic and other surgical procedures. A hand held handpiece has a forward protruding hollow tip for supplying irrigation liquid to a surgical site, a hand actuable control for controlling irrigation liquid flow to the tip, and an irrigation liquid inlet. A self contained pumping unit is locatable adjacent a source of irrigation liquid and remote from the handpiece. The pumping unit comprises a housing containing an outlet for irrigation liquid, a pumping member for pumping irrigation liquid through the outlet, a motor for driving the pumping member, and an electric battery assembly for energizing the motor. An elongate tube connects the pumping outlet to the handpiece irrigation liquid inlet for supplying pumped irrigation liquid to the handpiece.
대표청구항
▼
A surgical irrigation system is suitable for endoscopic and other surgical procedures. A hand held handpiece has a forward protruding hollow tip for supplying irrigation liquid to a surgical site, a hand actuable control for controlling irrigation liquid flow to the tip, and an irrigation liquid inl
A surgical irrigation system is suitable for endoscopic and other surgical procedures. A hand held handpiece has a forward protruding hollow tip for supplying irrigation liquid to a surgical site, a hand actuable control for controlling irrigation liquid flow to the tip, and an irrigation liquid inlet. A self contained pumping unit is locatable adjacent a source of irrigation liquid and remote from the handpiece. The pumping unit comprises a housing containing an outlet for irrigation liquid, a pumping member for pumping irrigation liquid through the outlet, a motor for driving the pumping member, and an electric battery assembly for energizing the motor. An elongate tube connects the pumping outlet to the handpiece irrigation liquid inlet for supplying pumped irrigation liquid to the handpiece. ntrol systems during the active state thereof; and, the adjustment of the tension of said continuous part continues to take place in dependence upon the activation of said at least one of said control systems. 7. The system of claim 1, further comprising: said continuously variable transmission having a drive end and an output end; said drive end and said output end being defined by first and second conical disc pairs defining respective pulleys for accommodating said continuous part; said continuous part being tension mounted between said first and second conical disc pairs; hydraulic means for developing a hydraulic pressure to impart hydraulic forces to at least one of the conical discs of said first and second conical disc pairs; said means for adjusting said tension including means for adjusting said hydraulic pressure and the adjustment of said hydraulic pressure being dependent upon the operating state of said clutch; and, said adjusting means being adjusted to adjust the contact pressure of said one conical disc against said continuous part. 8. The system of claim 7 wherein said continuous part is selected from the group consisting of thrust element belt, a V-belt and a chain. 9. The system of claim 1, further comprising a plurality of said clutches which assume the open and closed state as operating states; and, said clutches assuming a further operating state during the closing of said clutches. 10. The system of claim 9, further comprising means for increasing the tension of said continuous part during the closing of said clutches relative to the tension thereof in the operating state of said clutches before said closing of said clutches. 11. A system for adjusting the tension of a continuous part of a continuously variable transmission, the system comprising: a drive train including a vehicle motor and said continuously variable transmission; said drive train further including a torque converter and a converter bridging clutch; said converter bridging clutch being switchable between a closed position wherein said torque converter is bridged and an open position; means for determining a slip quantity representing the slip of said torque converter; means for determining a first torque quantity representing the output torque of said vehicle motor; means for making determinations of a second torque quantity representing the torque acting at the input of said continuously variable transmission as follows: (a) in a first determination, when said converter bridging clutch is in said open position, and at least in dependence upon said slip quantity; and, (b) in a second determination, when said converter clutch is in said closed position, and in dependence upon said first torque quantity; and, means for adjusting said tension in dependence upon the operating state of said clutch and in dependence upon said second torque quantity. 12. The system of claim 11, wherein one of said clutches is configured as a forward clutch and a reverse clutch; and, wherein said system further comprises means for increasing or reducing the tension of said continuous part in response to a closing of said reverse clutch. 13. The system of claim 11, wherein a maximum value is selected as said second torque quantity from said first and second determinations while said converter bridging clutch is closing. 14. The system of claim 11, further comprising: hydraulic means for hydraulically adjusting said tension of said continuous part; a hydraulic pump driven by said vehicle motor; and, means for causing said determination of said second torque quantity to take place in dependence upon a pressure quantity representing the operating state of said pump. 15. The system of claim 11, wherein the adjusting of the tension of said continuous part is further dependent upon an adjustment of the transmission ratio of said continuously variable transmission toward higher; and, said tension is increased during an adjustment to high er transmission ratios compared to the adjustment of an essentially constant transmission ratio. 16. The system of claim 11, wherein the vehicle includes at least one of the following control systems: an anti-blocking control system, an anti-slip control system and a directional stability control system; a braking force on the wheels of the vehicle can be modified with said at least one of said control systems during the active state thereof; and, the adjustment of the tension of said continuous part continues to take place in dependence upon the activation of said at least one of said control systems. 17. The system of claim 11, further comprising: said continuously variable transmission having a drive end and an output end; said drive end and said output end being defined by first and second conical disc pairs defining respective pulleys for accommodating said continuous part; said continuous part being tension mounted between said first and second conical disc pairs; hydraulic means for developing a hydraulic pressure to impart hydraulic forces to at least one of the conical discs of said first and second conical disc pairs; means for adjusting said tension by adjusting said hydraulic pressure at the adjustment of said hydraulic pressure being dependent upon the operating state of said clutch; and, said adjusting means being adjusted to adjust the contact pressure of said one conical disc against said continuous part. 18. The system of claim 17, wherein said continuous part is selected from the group consisting of a thrust element belt, a V-belt and a chain. 19. The system of claim 11, further comprising a plurality of said clutches which assume the open and closed state as operating states; and, said clutches assuming a further operating state during the closing of said clutches. 20. The system of claim 19, further comprising means for increasing the tension of said continuous part during the closing of said clutches relative to the tension thereof in the operating state of said clutches before said closing of said clutches. function of sending necessary information including the predetermined machining command information to said lens holding unit, said lens machining mechanism, and said ball end mill, to control their operations. 2. The spectacle lens machining apparatus according to claim 1, wherein: the revolving machining tool of said lens machining mechanism is a cutter provided with a revolving cutting blade; and said control information processing apparatus has a function of, in machining said spectacle lens being machined to the predetermined spectacle frame shape by cutting the circumferential edge thereof, sending different machining command information when necessary corresponding to a rough machining stage and a finishing machining stage respectively, into which this machining process is divided. 3. The spectacle lens machining apparatus according to claim 2, wherein the revolving machining tool of said lens machining mechanism has a flat cutting cutter which flat-cuts the end surface of the circumferential edge of said spectacle lens being machined and a bevel cutting cutter which bevel-cuts the end surface of the circumferential edge of said spectacle lens being machined, and is capable of using either one selected from these cutters according to the predetermined machining command information. 4. The spectacle lens machining apparatus according to claim 1, further comprising: a lens shape measurement apparatus including: a position measurement apparatus which measures coordinates of a predetermined position of the lens optical surface of said spectacle lens being machined that is held by said lens holding unit; and a measurement information processing apparatus, which sends control command information to said lens holding unit and a moving mechanism for said lens holding unit, controls a position of said spectacle lens being machined relative to said position measurement apparatus to measure coordinates of each position of the optical surface of said spectacle lens being machined, and finds shape information necessary for machining said spectacle lens being machined based on information on this measurement. 5. A spectacle lens machining method of subjecting a spectacle lens being machined rough machining and finishing beveling based on pre-obtained data on a spectacle frame shape which is an object of machining, thereby machining said spectacle lens being machined to a predetermined spectacle frame shape, using a spectacle lens machining apparatus which includes: a lens holding unit provided with a lens holding shaft which is a turnable shaft and which has a mechanism of holding the spectacle lens being machined at a center of the lens in such a manner that a direction of said shaft intersects a lens optical surface, and also provided with a turn driving mechanism which drives said lens holding shaft so as to turn according to a predetermined machining command information, thereby rotating said lens about the center of the spectacle lens to move a machined position of a circumferential edge of the spectacle lens; a lens machining mechanism provided with a revolving machining tool which edges the circumferential edge of said spectacle lens being machined that is held by said lens holding unit according to the predetermined machining command information, to machine the spectacle lens to the predetermined spectacle frame shape; and a control information processing apparatus which has a function of sending necessary information including the predetermined machining command information to said lens holding unit and said lens machining mechanism to control their operations, wherein a same beveling tool is used for a series of cutting machining from said rough machining to said finishing beveling; said rough machining process is performed being divided into a primary rough machining process and a secondary rough machining process; said primary rough machining process is a process of cutting in a spiral locus relat ive to the end surface of the circumferential edge of said spectacle lens being machined, thereby machining the spectacle lens being machined to a substantially equal shape to said shape of the machining object; said secondary rough machining process is a process of machining the spectacle lens being machined that has been subjected to said primary rough machining until only a portion to be cut away by the subsequent process of the finishing beveling is left equally along an entire lens periphery at the end surface of the circumferential edge of the spectacle lens being machined; and said finishing beveling process is a process of forming a final beveling surface on the end surface of the circumferential edge of said spectacle lens being machined. 6. A spectacle lens machining method of subjecting a spectacle lens being machined to rough machining and finishing beveling based on pre-obtained data on a spectacle frame shape which is an object of machining, thereby machining said spectacle lens being machined to a predetermined spectacle frame shape, using a spectacle lens machining apparatus which includes: a lens holding unit provided with a lens holding shaft which is a turnable shaft and which has a mechanism of holding the spectacle lens being machined at a center of the lens in such a manner that a direction of said shaft intersects a lens optical surface, and also provided with a turn driving mechanism which drives said lens holding shaft so as to turn according to a predetermined machining command information, thereby rotating said lens about the center of the spectacle lens to move a machined position of a circumferential edge of the spectacle lens; a lens machining mechanism provided with a revolving machining tool which edges the circumferential edge of said spectacle lens being machined that is held by said lens holding unit according to predetermined machining command information, to machine the spectacle lens to a predetermined spectacle frame shape; a control information processing apparatus which has a function of sending necessary information including the predetermined machining command information to said lens holding unit and said lens machining mechanism to control their operations; and a lens shape measurement apparatus including: a position measurement apparatus which measures coordinates of a predetermined position of the optical surface of said spectacle lens being machined that is held by said lens holding unit; and a measurement information processing apparatus which sends control command information to said lens holding unit, controls a position of said spectacle lens being machined relative to said position measurement apparatus to measure coordinates of each position of the optical surface of said spectacle lens being machined, and finds shape information necessary for machining said spectacle lens being machined based on information on this measurement, wherein at a middle stage of said rough machining, said lens shape measurement apparatus measures shape at each position along a locus of a designed machined shape of the spectacle lens being machined that has been subjected to the rough machining, information on lens shape including an edge thickness at each position along the locus of said designed machined shape is tentatively obtained, and the bevel finishing using this shape information is performed. first inflatable element disposed at or adjacent said first side of said device and resisting movement of said device in response to said torque roll force in said first direction. 2. An assembly as recited in claim 1 wherein said first inflatable element provides a counter-force to said torque roll force in said first direction substantially proportional to said torque roll force in said first direction. 3. An assembly as recited in claim 2 further comprising a second inflatable element operatively engaging said device at or adjacent said second side thereof and resisting movement of said device in response to said torque roll force in said second direction. 4. An assembly as recited in claim 3 wherein said second inflatable element provides a counter-force to said torque roll force in said second direction substantially proportional to said torque roll force in said second direction. 5. An assembly as recited in claim 4 wherein said device comprises a submarine propulsion unit or a component of a propulsion unit, for driving a submarine propeller. 6. An assembly as recited in claim 1 wherein said first inflatable element comprises at least one airbag operatively connected to a source of compressed gas. 7. An assembly as recited in claim 6 further comprising means for adjusting the pressure of gas in said at least one airbag in response to the level of said torque roll force in said first direction. 8. An assembly as recited in claim 1 wherein said first inflatable element is mounted between a substantially stationary support element and an upper surface of a portion of said device to apply a substantially downwardly directed force to said device counter to said torque roll force in said first direction. 9. An assembly as recited in claim 1 further comprising a second inflatable element operatively engaging said device at or adjacent said second side thereof and resisting movement of said device in response to said torque roll force in said second direction. 10. An assembly as recited in claim 9 wherein said second inflatable element provides a counter-force to said torque roll force in said second direction substantially proportional to said torque roll force in said second direction. 11. An assembly as recited in claim 9 wherein said second inflatable element comprises at least one airbag operatively connected to a source of compressed gas. 12. An assembly as recited in claim 11 further comprising means for adjusting the pressure of gas in said at least one airbag in response to the level of said torque roll force in said second direction. 13. An assembly as recited in claim 9 wherein said second inflatable element is mounted below a portion of said deviceat said second end of said device. 14. An assembly as recited in claim 1 wherein said soft passive mounts comprise elastomeric isolation mounts. 15. A mounting assembly for a device subject to a torque roll force in a generally upward first direction on a first side of the device, and a torque roll force in a generally downward second direction on a second side of the device, comprising: at least one soft passive mount for said device on each of said first and second sides, below and operatively engaging at least a portion of said device; and a first inflatable element disposed at or adjacent said first side of said device and resisting movement of said device in response to said torque roll force in said first direction; wherein said device comprises a propulsion unit or a component of a propulsion unit connected by a rotatable shaft to another unit without line shaft couplings. 16. An assembly as recited in claim 15 wherein said propulsion unit or a component of a propulsion unit comprises a marine propulsion unit or a component of a propulsion unit, for driving a propeller. 17. An assembly as recited in claim 16 wherein said propulsion unit or a component of a propulsion unit is mounted in a submarine, and wherein said first side of said device is to starboard
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