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Attorney: Evans; Paul S.


Number of patents: 25
Last date: April 15, 2008

NumberTitleIssue Date
7001363Safety shield for medical needles
A medical needle shield apparatus is provided that includes a shield being extensible from a retracted position to an extended position, wherein the shield includes a first segment mounted to a medical needle device having a needle extending therefrom. The shield fu...
02/21/2006
6997902Safety shield for medical needles
A needle safety apparatus is disclosed which includes an inner bearing disposed within an outer bearing. The inner bearing is moveable to extend telescopically in a first interior space defined by the outer bearing. A second interior space is defined by the inner be...
02/14/2006
7357784Safety shield for medical needles
A medical needle shield apparatus is provided which is slidably movable along a medical needle from a proximal position where a distal end of the needle is exposed, to a distal position where the shield protects the distal end of the needle. The medical needle shiel...
04/15/2008
7351230Safety shield for medical needles
A needle safety apparatus is disclosed which includes an inner bearing disposed within an outer bearing. The inner bearing is moveable to extend telescopically in a first interior space defined by the outer bearing. A second interior space is defined by the inner be...
04/01/2008
7347842Safety shield for medical needles
A needle safety apparatus is disclosed which includes an inner bearing disposed within an outer bearing. The inner bearing is moveable to extend telescopically in a first interior space defined by the outer bearing. A second interior space is defined by the inner be...
03/25/2008
7341573Safety shield for medical needles
A medical needle shield apparatus is provided that includes a needle hub having an outer needle cannula extending therefrom. An inner needle is disposed for slidable movement with the outer needle cannula. At least one shield is extensible from a retracted position ...
03/11/2008
7338469Pre-filled retractable needle injection device
A needle-bearing device for injecting medicinal fluid from a pre-filled vial is provided. After use, the needle is retracted into the body of the device to prevent inadvertent contact with the sharpened end of the needle. In one embodiment, the invention provides a ...
03/04/2008
7329238Safety needle medical bearing devices
The present invention relates to a syringe (10) for administering injections of medicinal fluids to a patient or withdrawal of fluid, such as blood from a patient. More specifically the present invention is a syringe device (10) for injecting medicatio...
02/12/2008
7300416Pre-filled retractable needle injection ampoules
Pre-filled injection ampoules for administering a readily-available dose of fluid medication, are provided with a retractable needle. The needle is held in a projecting configuration from a barrel against a rearward bias exerted on the needle by a spring located wit...
11/27/2007
7179244Resettable safety shield for medical needles
A medical needle shield apparatus is provided that includes a needle hub having an outer needle cannula extending therefrom. An inner needle is disposed for slidable movement with the outer needle cannula. At least one shield is extensible from a retracted position ...
02/20/2007
7153276Medical device with shield having a retractable needle
Needle-bearing medical devices are provided for fluid infusion, fluid transfusion, and inserting a guide wire. After use the needle is shielded to render the contaminated needle safe to prevent inadvertent needle sticks. The device includes a housing and a needle ha...
12/26/2006
7008402Safety shield for medical needles
Medical needle shield apparatus for covering a needle after use. The medical needle shield apparatus is for use with a needle having proximal and distal ends, wherein the shield is slidably movable along the needle from a proximal position where the distal end of th...
03/07/2006
7004927Safety shield for medical needles
A medical needle shield apparatus is provided that includes a shield that is extensible from a retracted position to an extended position to enclose a distal end of a needle. A binding member is disposed within the shield and defines binding surfaces that form an ap...
02/28/2006
6984213Biopsy needle device
A medical needle shield apparatus is provided that includes a first housing configured to actuate a needle cannula. A second housing is releasably engageable with the first housing. The needle cannula is disposed for slidable movement with the second housing such th...
01/10/2006
6972002Passively activated safety shield for a catheter insertion needle
A passively activated shielding device for a catheter insertion needle. Disclosure of shielding devices according to the instant invention is provided in four embodiments. Unreleasible locking apparatus is the major differentiator in three of the devices. An accordi...
12/06/2005
6902546Safety shield for medical needles
A medical needle shield apparatus is provided which is slidably movable along a medical needle from a proximal position where a distal end of the needle is exposed, to a distal position where the shield protects the distal end of the needle. The medical needle shiel...
06/07/2005
6796962Safety shield for medical needles
A medical needle shield apparatus is provided that includes a needle hub having an outer needle cannula extending therefrom. An inner needle is disposed for slidable movement with the outer needle cannula. At least one shield is extensible from a retracted position ...
09/28/2004
6019947Method and apparatus for sterilization of a continuous liquid flow
The apparatus for liquid sterilization by high-pressure dynamic cavitation includes a fluid passage through which the continuous flow of liquid passes, wherein the fluid passage is defined by a closed cylindrical chamber having a side wall and first and s...
02/01/2000
5792256Method for producing N-type semiconducting diamond
A method of making n-type semiconducting diamond is disclosed, which is doped with boron-10 at the time of diamond formation and bombarded with neutrons for in-situ conversion of boron-10 to lithium-7, while filtering the neutrons from high energy compone...
08/11/1998
5689998Continuous-torque variable-speed transmission
A transmission apparatus for changing the speed of a driven member relative to the speed of a driving member for transmitting effectively continuous torque transfer between the members. The apparatus includes cam gears driven by a driving member, driven g...
11/25/1997
5653800Method for producing N-type semiconducting diamond
A method of making n-type semiconducting diamond is disclosed, which is doped with boron-10 at the time of diamond formation and bombarded with neutrons for in-situ conversion of boron-10 to lithium-7, while filtering the neutrons from high energy compone...
08/05/1997
5644184Piezo-pyroelectric energy converter and method
The present invention embodies a piezo-pyroelectric energy converter and is directed to a method and apparatus for conversion of thermal energy to electrical energy and refrigeration. The present invention utilizes one or more piezo-pyroelectric materials...
07/01/1997
5632870Energy generation apparatus
Electrolytic cell apparatus and methods for generating a useful energy product from a plurality of energy sources. In a preferred embodiment, hydrogen gas is produced at a cathode by transmission of electrons through a low voltage potential barrier to ele...
05/27/1997
 
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