1
Schulte Rudolf R: Urethral prosthesis. Heyer Schulte Corporation, D Gordon Angus et al, February 5, 1974: US3789828 (182 worldwide citation)

A prosthesis to resist the flow of urine through the urethra, which comprises a fluid-impervious, flexible and deformable capsule having a gel-filled, or gel and liquid-filled cavity therein. A cover encapsulates the capsule, and two flexible sling ties extend beyond the cover. The material of the c ...


2
Schulte Rudolf R: Artery-to-vein shunt. Heyer Schulte Corporation, Mon Donald D, December 10, 1974: US3853126 (109 worldwide citation)

An artery-to-vein shunt for long-term implantation in a human body to give external access to the arterial and venous system. The shunt includes a first and a second button adapted to be engaged in an aperture through the skin. A peripheral groove in a peripheral wall of each button receives an adja ...


3
Schulte Rudolf R, Portnoy Harold D: Retractor for soft tissue for example brain tissue. Heyer Schulte Corporation, Mon Donald D, May 13, 1975: US3882855 (89 worldwide citation)

A retractor for tissue comprising a deformable metal blade having a pair of opposite faces and a peripheral edge bounding and interconnecting the faces. A sheath comprising a flexible material which is non-adherent to brain tissue, such as silicon elastomer, includes a cover portion that covers at l ...


4
Schulte Rudolf R, Portnoy Harold D: Plug valve for physiological shunt systems. Heyer Schulte Corporation, Mon Donald D, August 6, 1974: US3827439 (66 worldwide citation)

A valve utilizing a mechanically retainable plug for the stoppage of drainage flow through a shunt system installed in a human body. The valve includes a valve body with an internal cavity and a first and a second port entering the cavity. These ports are connected to conduits which conduct fluids t ...


5
Schulte Rudolf R: Physiological drainage system with closure means responsive to downstream suction. November 6, 1973: US3769982 (61 worldwide citation)

A physiological drainage system for draining liquids from a source of the human body to a region where it is disposed of. The latter region is at a different elevation from the source region. The system is provided with a control which is responsive to downstream suction. When the suction is excessi ...


6
Schulte Rudolf R: Antithrombotic intravascular catheter reinforced with nonkinking means. Heyer Schulte Corporation, November 9, 1971: US3618613 (49 worldwide citation)

This invention relates to tubular catheters which are inserted through veins to enter the peritoneal cavity for medical purposes. Such tubing catheters have other medical applications such as for drainage or for introduction of medical materials, but since the tubing is of such a small diameter, it ...


7
Schulte Rudolf R: Valve for controllable release of entrapped body fluids. October 30, 1973: US3768508 (48 worldwide citation)

A valve for controllably releasing entrapped body fluids, such as fluid from inside the skull of persons suffering from hydrocephalus. The valve includes a diaphragm which tends to close a valve seat and prevent flow of such fluid, and mechanical means for moving said diaphragm so as to open the val ...


8
Schulte Rudolf R: Catheter with augmented drainage means. Heyer Schulte Corporation, December 14, 1971: US3626950 (42 worldwide citation)

A catheter for the drainage of a region of the human body into which region one end of the catheter is inserted, usually by means of an axial force. Means is provided for augmenting the drainage area of the catheter whereby to minimize clogging by such particulate matter as may be present in the reg ...


9
Schulte Rudolf R: Valve for physiological drainage actuable by lateral compression. September 11, 1973: US3758073 (37 worldwide citation)

A normally-closed valve for physiological drainage which can be opened by lateral compression. A valve body defines an interior flow cavity with an inlet and outlet passage opening therein through the body. A peripheral valve seat extends continuously around the outlet passage and faces into the flo ...


10
Schulte Rudolf R: Flow control system for physiological drainage. September 4, 1973: US3756243 (34 worldwide citation)

A flow control system for the positive control of drainage of fluid from a region of the body to be drained to a drainage site at another location. It provides means for the controlled positive shut-off of said drainage. The system includes a flow valve having an internal flow cavity with an inlet a ...