| Patent Number |
Title Of Patent |
Date Issued |
| 5997560 |
Surgical cutting instrument |
December 7, 1999 |
| A surgical cutting instrument for cutting joint tissue includes an outer tubular member, or cannula, sized for percutaneous insertion into an anatomical space, such as s joint space in the spine. The outer tubular member has a cutting opening at its blunt-tipped distal end. The proximal |
| 5911701 |
Surgical cutting instrument |
June 15, 1999 |
| A surgical cutting instrument for cutting tissue includes a flexible outer tubular assembly or cannula sized for percutaneous insertion into an anatomical space, such as a joint space in the spine. The outer tubular assembly has a cutting opening at its angle-tipped distal end, and the |
| 5876354 |
Biopsy needle hub assembly |
March 2, 1999 |
| An automatic tissue sampling device includes a housing having an upper opening and a cover closable over the opening. A biopsy needle assembly is operatively disposed within the device, and includes an outer cannula and an inner stylet. A drive mechanism includes a cannula carriage and a |
| 5800389 |
Biopsy device |
September 1, 1998 |
| A biopsy needle device (10) is provided which includes an introducer cannula (20) defining a lumen (25) sized to receive a biopsy needle (11) therethrough and a lateral opening (24) in communication with the lumen (25) adjacent the first end (21) of the cannula (20). The invention also |
| 5782849 |
Surgical cutting instrument |
July 21, 1998 |
| A surgical cutting instrument for cutting joint tissue includes an outer tubular member, or cannula, sized for percutaneous insertion into an anatomical space, such as s joint space in the spine. The outer tubular member has a cutting opening at its blunt-tipped distal end. The proximal |
| 5575293 |
Apparatus for collecting and staging tissue |
November 19, 1996 |
| A tissue collecting and staging apparatus is operable with a minimally invasive percutaneous tissue removal system to collect a mass of tissue bits and provide an ordered, or staged, version of the bulk tissue prior to removal. The apparatus includes a chamber under vacuum and at least o |
| 5423844 |
Rotary surgical cutting instrument |
June 13, 1995 |
| A rotary surgical cutting instrument for use in cutting tissue within an anatomical space includes an outer cannula sized for percutaneous insertion into the anatomical space. The outer cannula defines a central bore along the length of the outer cannula and a cutting opening adjacent |
| 5411513 |
Transmission mechanism for a surgical cutting instrument |
May 2, 1995 |
| A reciprocating cutting instrument includes an outer tube housing an inner reciprocating cutting blade. The cutting blade is engaged to a source of power, namely a motor, through a transmission and drive mechanism. This transmission and drive mechanism converts rotary drive movement of t |
| 4439854 |
Video disc stylus |
March 27, 1984 |
| A playback stylus comprising a dielectric support element having a conical end, two flats in the conical end, and a constricted terminal portion defined by side surfaces, shoulders interconnecting the side surfaces and the flats, a prow defined by a first region between the flats, a seco |
| 4404669 |
Stylus assembly |
September 13, 1983 |
| Assembly of a video disc signal recovery stylus apparatus is facilitated by utilizing a stylus holder having a vertical cylindrical end. A conductive leaf spring is inserted in the cylinder followed by a conductive torroidal elastomer. The stylus is then inserted in a hole in the elastom |
| 4340956 |
Minimum tracking force stylus |
July 20, 1982 |
| In a video disc player of the type having a signal pickup stylus engaging a disc record for recovering prerecorded information signals, an electromechanical transducer is arranged to cooperate with the signal pickup stylus to regulate the bearing pressure between the stylus and the d |
| 4310913 |
Stylus tracking aid using two bimorph elements longitudinally aligned |
January 12, 1982 |
| A stylus assembly for use with a high density information record such as a grooved video disc. The stylus arm includes a first transducer for detecting lateral forces applied by the record groove to the pickup stylus, and a second transducer responsive to signal generated by the firs |
| 4287689 |
Method for improving the quality of low frequency output of a video disc pickup stylus |
September 8, 1981 |
| The quality of the low frequency signals recovered by a playback stylus may be improved by removing non-electrode metal deposits. A stream slurry lapper with a slurry of alumina in water can be used. |
| 4256311 |
Video disc stylus retractor |
March 17, 1981 |
| A mechanism for retracting a stylus from engagement with the surface of a video disc record. A lever arm arranged parallel to the stylus arm and normally biased to a first position has a filament attached to a free end thereof, the filament being normally disposed to straddle and engage |
