The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2007
Filed:
Jun. 05, 2003
Michael John Bonnette, Minneapolis, MN (US);
John Christopher Riles, Minneapolis, MN (US);
Mark Alfred Hilse, Ham Lake, MN (US);
Eric Joel Thor, Arden Hills, MN (US);
Marvin Harris York, Richfield, MN (US);
Michael John Bonnette, Minneapolis, MN (US);
John Christopher Riles, Minneapolis, MN (US);
Mark Alfred Hilse, Ham Lake, MN (US);
Eric Joel Thor, Arden Hills, MN (US);
Marvin Harris York, Richfield, MN (US);
Possis Medical, Inc., Minneapolis, MN (US);
Abstract
A thrombectomy catheter device having an improved hemostasis valve which is self-sealing and which functions as a one-way valve. The self-sealing hemostasis valve can be factory preset to automatically seal with or without the inclusion of a guidewire at a certain desired pressure or allowable leakage. Such sealing is automatic without the need to manually manipulate a hemostasis nut to obtain hemostasis. The thrombectomy catheter device can, without hemostasis nut adjustment, be positioned along and about a guidewire while yet maintaining suitable pressure for sustaining hemostasis at a preferred level. Certain embodiments of the thrombectomy catheter device having a self-sealing hemostasis valve include an adjustable hemostasis nut which can be manually tightened to restrict flow or guidewire movement or loosened to reduce friction on the guidewire and allow fluid to flow out if desired. An introducer facilitates free passage of a guidewire in either direction through the hemostasis nut and hemostasis valving and can also be incorporated to purge internal air or fluids.