US 9,808,601 B2
Sealed sterile catheter dressings
Robert E. Helm, Jr., Rye Beach, NH (US)
Filed by Robert E. Helm, Jr., Rye Beach, NH (US)
Filed on Oct. 28, 2010, as Appl. No. 12/914,160.
Claims priority of provisional application 61/255,927, filed on Oct. 29, 2009.
Prior Publication US 2011/0106014 A1, May 5, 2011
Int. Cl. A61M 25/02 (2006.01); A61M 25/01 (2006.01)
CPC A61M 25/02 (2013.01) [A61M 25/0111 (2013.01); A61M 2025/0253 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A dressing device for use with an implanted catheter, the dressing device comprising:
an adhesive plate configured to attach to a skin of a patient surrounding a catheter insertion site, the adhesive plate including an aperture configured to receive an external portion of the implanted catheter;
a coupling body comprising at least one lumen in fluid communication with an external catheter segment; wherein the coupling body is directly attached to the adhesive plate and coupled to a terminal end of the external catheter segment; and
a sheath extending from the coupling body to a proximal surface of the adhesive plate forming a sealed volume around the catheter insertion site, such that the sheath, plate and coupling body form a unitary device defining a sealed and sterile chamber in use,
the plate being configured to provide a circumferential sterile seal around the insertion site;
wherein the coupling body comprises a first fitting configured to couple to the external portion of the implanted catheter when the dressing device is sealed therearound and a second fitting formed on a side of the coupling body opposite to the first fitting, the coupling body being configured to provide a circumferential sterile seal around the implanted catheter
wherein the sheath forms a sealed volume around the aperture and the first fitting is disposed within the sealed volume; and
wherein the coupling body further comprises an annular groove, an annular ring or an annular lip;
wherein one of the annular groove, annular ring or annular lip is configured to couple with a corresponding mating feature on the terminal end of the external catheter segment to provide the circumferential sterile seal and prevent longitudinal movement of the implanted catheter.