Steven R Wojcik

US Patent:

20080243053, Oct 2, 2008

Filed:

Apr 27, 2007

Appl. No.:

11/741123

Inventors:

Mark A. DeSTEFANO - Collegeville PA, US
Jeff Kiersh - Exton PA, US
Steven E. Wojcik - Shoreline WA, US

International Classification:

A61M 5/14

US Classification:

604 28

Abstract:

A method for inserting a cannula of an infusion set into an infusion site includes releasably retaining a cannula cartridge of an infusion set on a distal end of a cannula insertion device plunger. The method also includes releasably retaining an infuser base on a distal end of a housing of the cannula insertion device. Subsequently, the method involves moving the plunger from a retracted position, wherein the cannula cartridge is remote from the infuser base, to an advanced position wherein the cannula cartridge is engaged with the infuser base and a cannula of the cannula cartridge has been subcutaneously inserted into an infusion site by a cannula insertion needle attached to the plunger.

US Patent:

20080243062, Oct 2, 2008

Filed:

Apr 27, 2007

Appl. No.:

11/741377

Inventors:

Mark A. DeStefano - Collegeville PA, US
Paul Tashjian - Phoenixville PA, US
Steven E. Wojcik - Shoreline WA, US
Jeff Kiersh - Exton PA, US

International Classification:

A61M 37/00
A61M 5/32

US Classification:

604 85, 604180

Abstract:

An infusion set kit includes an infusion set and a cannula insertion device. The infusion set has an infuser base configured for adhesive attachment to an infusion site on a user's skin, a cannula cartridge configured for operative engagement with the infuser base, and a hub configured for user-controlled 360 degree (360) rotary engagement with the infuser base.

US Patent:

20080243083, Oct 2, 2008

Filed:

Apr 27, 2007

Appl. No.:

11/741039

Inventors:

Mark A. DeSTEFANO - Collegeville PA, US
Paul Tashjian - Phoenixville PA, US
Steven E. Wojcik - Shoreline WA, US

International Classification:

A61M 5/14

US Classification:

604180

Abstract:

An infusion set includes an infuser base, a cannula cartridge and a hub. The infuser base includes an adhesive pad configured for removably adhering the infuser base to an infusion site, a barb, and an infuser base opening. The cannula cartridge includes a cannula for subcutaneous insertion into the infusion site and a cannula cartridge self-sealing septum. The hub is configured for removable and user-controlled three hundred and sixty degree (360) rotateable engagement with the barb. The hub includes a hub needle for piercing the self-sealing septum, thereby creating a fluid pathway from the hub needle to the cannula of the cannula cartridge. The hub also includes a flexible tube in fluid communication with the hub needle. The cannula cartridge of is configured for insertion into the infuser base opening with the cannula being subcutaneously inserted into the infusion site.

US Patent:

20080243084, Oct 2, 2008

Filed:

Apr 27, 2007

Appl. No.:

11/741044

Inventors:

Mark A. DeSTEFANO - Collegeville PA, US
Steven E. Wojcik - Shoreline WA, US

International Classification:

A61M 25/02

US Classification:

604180

Abstract:

An infusion set includes an infuser base, a cannula cartridge, a hub and a tube set connector. The infuser base includes an adhesive pad for removably adhering the infuser base to an infusion site, an infuser base opening and a barb. The cannula cartridge includes a cannula for subcutaneous insertion into the infusion site and a cannula cartridge self-sealing septum. The hub is configured for removable and user-controlled three hundred and sixty degree (360) rotateable engagement with the barb. The hub includes a hub needle for piercing the self-sealing septum, thereby creating a fluid pathway from the hub needle to the cannula of the cannula cartridge, and a hub self-sealing septum. The cannula cartridge is configured for insertion into the infuser base opening with the cannula being subcutaneously inserted into the infusion site. The tube set connector includes a connector module configured for user-releasable attachment to the hub in a direction perpendicular to the direction of cannula insertion, a tube set connector needle for piercing the hub self-sealing septum, and a flexible tube in fluid communication with the tube set connector needle.

US Patent:

20080249471, Oct 9, 2008

Filed:

Apr 27, 2007

Appl. No.:

11/741032

Inventors:

Mark A. DeStefano - Collegeville PA, US
Jeff Kiersh - Exton PA, US
Steven E. Wojcik - Shoreline WA, US

International Classification:

A61M 5/20
A61M 5/31

US Classification:

604157, 60416401

Abstract:

A cannula insertion device for use with an insertion set includes an insertion module and a cannula insertion needle. The insertion module has a housing (with a housing distal end, a housing proximal end, and a housing opening extending from the distal to the proximal end) and a plunger that is disposed within the housing opening. The plunger has a plunger distal and proximal ends. The cannula insertion needle is attached to the plunger distal end. In addition, the plunger distal end is configured to releasably retain a cannula cartridge of the infusion set in operative alignment with the cannula insertion needle and the housing distal end is configured to releasably retain an infuser base of the infusion set in operative alignment with the cannula cartridge. Moreover, the plunger is moveable from a retracted position, wherein the cannula cartridge is remote from the infuser base, to an advanced position wherein the cannula cartridge is engaged with the infuser base and a cannula of a cannula cartridge has been subcutaneously inserted into an infusion site by the cannula insertion needle.

US Patent:

20080249505, Oct 9, 2008

Filed:

Apr 27, 2007

Appl. No.:

11/741062

Inventors:

Mark A. DeStefano - Collegeville PA, US
Paul Tashjian - Phoenixville PA, US
Steven E. Wojcik - Shoreline WA, US

International Classification:

A61M 25/02

US Classification:

604513, 604177

Abstract:

A method for mounting an infusion set to an infusion site includes adhering an infuser base of the insertion set to an infusion site on a user's skin and inserting a cannula cartridge of the infusion set into an opening of the infuser base such that a cannula of the cannula cartridge is subcutaneously inserted into the infusion site. Subsequently, the method includes removeably attaching a hub of the infusion set to a barb of the infuser base such that a hub needle of the hub pierces a self-sealing septum of the cannula cartridge, thereby creating a fluid pathway from the hub needle to the cannula. In the method, the attachment of the hub to the barb is such that user-controlled three-hundred and sixty (360) rotatable motion between the hub and the barb is provided.

US Patent:

55965938, Jan 21, 1997

Filed:

Feb 9, 1996

Appl. No.:

8/598899

Inventors:

Katherine D. Crothall - Gladwyne PA
Edward S. Schieferstein - Everett WA
Steven E. Wojcik - Lynnwood WA

Assignee:

Luxar Corporation - Bothell WA

International Classification:

H01S 3097

US Classification:

372 87

Abstract:

A gas laser having a housing including a discharge region that contains a lasing gas medium, a pair of DC electrodes having primary surfaces facing toward the discharge region, the primary surfaces being arranged in substantially parallel planes, and a pair of RF electrodes having secondary surfaces facing toward the discharge region, the secondary surfaces being in substantially parallel planes with the secondary surfaces being arranged substantially orthogonal to the primary surfaces. The gas laser also has an RF power source connected between said pair of RF electrodes and selectively generating an RF discharge in the discharge region, and a DC power source connected between said pair of DC electrodes and selectively generating a DC discharge in the discharge region.