Valued device for controlling vacuum in surgery
US4184510A · kind A · utility
1,318Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1978 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Mar 17, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86083
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus and method for applying aspiration, irrigation, medication and ultrasonic power and dwell time to biotissue for surgery and treatment wherein the pressure for both aspirating and irrigating is precisely and accurately maintained by the use of a differential valve and a control reservoir which is generally much larger than the biotissue cavity to be operated on and wherein the pressures for irrigation, aspiration, medication and the application of the amplitude and dwell time of ultrasonic energy can be precisely controlled, externally, to the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.