1
John R Haaga: Sheath for wound closure caused by a medical tubular device. Body Vickers & Daniels, October 19, 1993: US05254105 (260 worldwide citation)

A tubular sheath is disclosed which is slidably disposed over a tubular medical device which tubular medical device is positioned at a body tissue access site. The sheath is deposited within a patient to assist in sealing the incision caused by the tubular medical device and inhibit internal and ext ...


2
John R Haaga: Universal biopsy needle. Body Vickers & Daniels, November 24, 1987: US04708147 (154 worldwide citation)

A cannula for a biopsy needle is provided with an axially and circumferentially open end forming cutting edges for severing tissue upon insertion or rotation at a lesion side. Concentric cannulas may be used for electively performing end cutting biopsy sampling or side cutting biopsy sampling with a ...


3
John R Haaga: Sheath for wound closure caused by a medical tubular device. Vickers Daniels & Young, July 19, 1994: US05330445 (152 worldwide citation)

A tubular sheath is disclosed which is slidably disposed over a tubular medical device which tubular medical device is positioned at a body tissue access site. The sheath is deposited within a patient to assist in sealing the incision caused by the tubular medical device and inhibit internal and ext ...


4
John R Haaga: Hemostatic sheath for a biopsy needle and method of use. Body Vickers & Daniels, June 13, 1989: US04838280 (115 worldwide citation)

A hemostatic gelatin sheath is fitted as a portion of an outer cannula over the distal portion of the inner cutting channula of a biopsy needle. Positioning means associated with the cannulas accurately deposits the hemostatic sheath at the position where the biopsy specimen was taken and the needle ...


5
John R Haaga: Method and system for fragmenting kidney stones. Body Vickers & Daniels, May 20, 1986: US04589415 (102 worldwide citation)

A method of fragmenting stones that are lodged in a discrete organ of a human body, such as the kidney, which method includes the steps of providing a plurality of elongated tubular sheaths, each formed from a thin walled material with a high acoustical impedance and having an inner passage extendin ...


6
John R Haaga: Medical needle with bioabsorbable tip. Body Vickers & Daniels, June 26, 1990: US04936835 (92 worldwide citation)

An improved medical needle is disclosed which has a bioabsorbable gelatin cutting or puncturing tip formed therein. The gelatin characteristic renders the needle incapable of penetration after initial use. Additionally, the gelatin partially dissolves to leave a coating on the punctured tissue margi ...


7
John R Haaga: Medical needle with removable sheath. Body Vickers & Daniels, March 23, 1993: US05195988 (85 worldwide citation)

A hemostatic gelatin sheath is fitted as a portion of an outer cannula over the distal portion of the inner cutting cannula of a biopsy needle. Positioning means associated with the cannulas accurately deposits the hemostatic sheath at the position where the biopsy specimen was taken and the needle ...


8
John R Haaga: Cargo delivery needle. Vickers Daniels & Young, December 19, 2000: US06162203 (81 worldwide citation)

A cargo delivery device has coaxial, telescopically interengaged cargo delivery needle, an outer cannulas which are axially and rotatably displaceable relative to one another. The cargo delivery needle has a distal portion provided with a cargo recess for carrying a cargo to a site in a patient.


9
John R Haaga: Medical biopsy needle. Body Vickers & Daniels, January 14, 1992: US05080655 (81 worldwide citation)

An improved medical needle is disclosed which has a bioabsorbable gelatin cutting or puncturing tip formed therein. The gelatin characteristic renders the needle incapable of penetration after initial use. Additionally, the gelatin partially dissolves to leave a coating on the punctured tissue margi ...


10
Michael P Cody, Ashley Davidoff, John R Haaga: Vacuum biopsy apparatus. McAulay Fisher Nissen Goldberg & Kiel, July 2, 1991: US05027827 (80 worldwide citation)

The vacuum biopsy apparatus includes a syringe having a side wall defining a chamber. It further includes a vacuum tube receivable within the syringe chamber. The vacuum tube has a septum at one end. The septum is shaped and dimensioned received within the syringe chamber with a fluid type fit. The ...