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Inventor:
Quinn; David G.
Address:
Grayslake, IL
No. of patents:
40
Patents:












Patent Number Title Of Patent Date Issued
D361838 Fluid access port for medical container August 29, 1995
D338726 Fluid access port for medical container August 24, 1993
D288961 Combined collapsible bag hanger, inlet port and cap March 24, 1987
7988658 Catheter and method of manufacture August 2, 2011
A blood vessel catheter includes a dual lumen catheter tube and a bolus insert attached to the distal end of the tube. First and second ports are formed between the nose section of the bolus and distal end openings of first and second lumens in the tube. The catheter is fabricated by ins
7914497 Catheter March 29, 2011
A catheter includes a catheter tube, internal and external retention bolsters and a retractable catheter tip. The retractable tip is in the form of a bolus which is extended to axial alignment with the tube for insertion. After insertion with a stylet or the like, removal of the styl
7419479 Catheter September 2, 2008
An enteral feeding catheter (5) that provides access to both the stomach and the jejunum for feeding, aspiration and decompression. The catheter includes a dual lumen "D" tube (30) that joins to an external "Y" connector (25) at the proximal end of the tube. The connector serves both
7108674 Catheter September 19, 2006
A catheter comprising a dual lumen tube with a bolus at its distal end having a bullet nose. A venous port is formed in one side of the bolus adjacent the bullet nose of the bolus. An arterial port is formed in the bolus circumferentially displaced 180.degree. around the catheter from
7048722 Catheter May 23, 2006
An enteral feeding catheter that provides access to both the stomach and the jejunum for feeding, aspiration and decompression. The catheter includes a dual lumen "D" tube that joins to an external "Y" connector at the proximal end of the tube. The connector serves both lumens as a s
6942653 Blood vessel catheter September 13, 2005
A blood vessel catheter including a catheter tube and a bolus having a bullet nose. The bolus includes a passage section with a side opening port. A nose section with a bullet nose has a smaller cross-section than the rest of the bolus and is offset from the axis of the passage section
6702776 Blood vessel catheter March 9, 2004
A catheter including a catheter tube and a bolus tip, the bolus having a radially extending main side port. In one embodiment the catheter also has second and third side ports axially spaced from said main side port. The second and third side ports are each axially elongated, with an edg
6540714 Blood vessel catheter April 1, 2003
A hemodialysis catheter including a catheter tube and a bolus tip, the bolus having a radially extending main side port. The catheter also has second and third side ports axially spaced from said main side port. The second and third side ports are each axially elongated, with an edge whi
6517529 Hemodialysis catheter February 11, 2003
A hemodialysis catheter comprising a lumen tube with a bolus at its distal end. A main venous port is formed in one side of the bolus adjacent the bullet nose of the bolus. Second and third venous ports are formed in either the bolus or the tube. The second port is circumferentially
6461321 Hemodialysis catheter October 8, 2002
A hemodialysis catheter comprising a dual lumen tube with a bullet nose bolus at its distal end. A venous port is formed in one side of the bolus adjacent the bullet nose of the bolus. An arterial port is formed in the bolus circumferentially displaced 180.degree. around the catheter fro
6223940 Fluid storage container and dispenser, and method of dispensing May 1, 2001
A plastic film fluid storage bag and dispensing spike assembly and method wherein the spike punctures the film and forms a fluid tight seal with the film surrounding a hole formed by the puncture. The film has no separate port structure for dispensing its contents. The spike may include
6077243 Retention balloon for a corporeal access tube assembly June 20, 2000
An improvement in an internal bolster for a corporeal access tube assembly wherein a retention balloon is preformed of relatively thick silicone rubber film. The balloon includes parallel front and rear sidewalls connected by a semi-circular treadwall, the front sidewall having a front
6066112 Corporeal access tube assembly and method May 23, 2000
A corporeal access assembly including a tube segment having a body formed of silicone rubber and containing a coil spring embedded therein. The silicone rubber has a low durometer hardness of about 35 on the A scale. The tube segments have relatively large diameter liquid flow passages
6036673 Bolster for corporeal access tube assembly March 14, 2000
A retention bolster for a flexible tube segment in a corporeal access tube assembly. The bolster includes a body molded in one piece of silicone rubber and cut into two legs along a portion of its length. One of the legs has a collar formed on its free end, with a lip under which the fre
5910128 Retention balloon and corporeal access tube assembly June 8, 1999
A retention balloon for a corporeal access tube assembly which includes a tube segment. The balloon is secured to the tube segment around a portion of the segment. The balloon is preformed in its expanded shape. When in normal retention operation it contains air trapped but under ambient
5891113 Corporeal access tube assembly April 6, 1999
A corporeal access tube assembly including a tube segment in which a coil spring is embedded along a portion of the segment. A retention balloon is secured to the tube segment around a portion which does not contain the coil spring. The balloon is inflated into a preformed shape when in
5865816 Percutaneous endoscopic gastrostomy tube assembly and method February 2, 1999
A corporeal access tube assembly includes a tube segment containing a coil spring. A retention balloon is secured to the tube segment around a portion of the segment. A deflation lumen extends through the tube segment from a predetermined location in said tube segment which is spaced fro
5860960 Bolster for corporeal access tube assembly January 19, 1999
A corporeal access tube assembly and a retention bolster for a corporeal access tube assembly. An elongated body formed of silicone rubber is split along a substantial portion of its length to form two legs joined together at corresponding one ends. The legs are separable from their othe
5860952 Corporeal access tube assembly and method January 19, 1999
A corporeal access tube assembly including a tube segment in which a coil spring is embedded along a portion of the segment. A retention balloon is secured to the tube segment around a portion which does not contain the coil spring. The balloon is inflated when in operation but its walls
5810787 Non-occluding catheter bolus September 22, 1998
An improved catheter for delivering fluid to a body cavity or aspirating the cavity. The catheter includes a cylindrical tube having a proximal end for joining the tube to a source of fluid or suction and a distal end connected to a bolus. The bolus includes a tubular shaped body formed
5599322 Non-occluding catheter bolus February 4, 1997
An improved catheter for delivering fluid to a body cavity or aspirating the cavity. The catheter includes a cylindrical tube having a proximal end for joining the tube to a source of fluid or suction and a distal end connected to a bolus. The bolus includes a tubular shaped body formed
5571093 Multiple-lumen catheter November 5, 1996
A multiple-lumen catheter is disclosed that includes a catheter tube having a generally elongate cylindrical body having an axial passageway extending the length thereof. A septum extends across the interior of the body and along the length thereof in order to divide the body into first
5451216 Non-occluding catheter bolus September 19, 1995
An improved catheter for delivering fluid to a body cavity or aspirating the cavity. The catheter includes a cylindrical tube having a proximal end for joining the tube to a source of fluid or suction and a distal end connected to a bolus. The bolus includes a tubular shaped body formed
5439444 Pre-formed member for percutaneous catheter August 8, 1995
The present invention is directed to a pre-formed retention member having an improved construction and used for anchoring or retaining a catheter within a body cavity, organ or vessel. The pre-formed retention retains a distal open end of a single body access tube against an inner body c
5308325 Retention balloon for percutaneous catheter May 3, 1994
An improved construction for an expandable and contractible retention member, such as a balloon, for body access tubes, to retain a distal open end of the tube against an inner body cavity wall of the patient. The balloon is secured to only the inner and outer peripheral edges of the
5152756 Distal gripping tip for enteral feeding tube October 6, 1992
An improved enteral feeding tube (10) having a distal (12) and a proximal end (14). The tube (10) has a generally circular cross-section, and includes an attachment (22) or extension of the tube made of flexible polyurethane that is adhered to the distal end (12) of the enteral feeding
5125897 Gastrostomy device with one-way valve and cuff pin June 30, 1992
A unique device for long term percutaneous enteral feeding through a surgically formed stoma, such as a gastrostomy, includes a tubular member having a fluid lumen and an inflation lumen. One end of the tubular member is perpendicularly joined to a retention platform through which passes
5037387 Method of positioning an enteral feeding tube within a patient's body August 6, 1991
An improved enteral feeding tube (10) having a distal (12) and a proximal end (14). The tube (10) has a generally circular cross-section, and includes an attachment (22) made of flexible polyurethane that is adhered to the distal end (12) of the enteral feeding tube (10). The attachment
4981471 Device for intubation of percutaneous endoscopic ostomy January 1, 1991
A device for intubating an ostomy, formed by a percutaneous endoscopic technique including a multi-lumen tube, having at least a fluid delivery lumen and an inflation lumen. The tube includes a port near one end to dispose the inflation lumen to ambient air and an outlet at an other end
4921138 Device for administration of enteral fluids from pre-filled shape retentive containers May 1, 1990
An improved device for aspetic dispensing of enteral feeding solutions from shape retentive, pre-filled containers. The device including a distensible hanger member formed around only the end panels of the container to suspend the container in an orientation to define only a single upper
4900306 Device for intubation of percutaneous endoscopic ostomy February 13, 1990
A unique device for intubating an ostomy, formed by a percutaneous endoscopic technique including a multi-lumen tube, having at least a fluid delivery lumen and an inflation lumen. The tube includes a port near one end to dispose the inflation lumen to ambient air and an outlet at an
4895275 Dispensing spike for penetrable pre-filled shape retentive containers January 23, 1990
A device for dispensing enteral feeding solutions and other therapeutic fluids from penetrable, shape retentive containers comprising a unitary dispensing spike for penetrating a topside panel of such containers which are suspended in an orientation to define an uppermost end and a lower
4834712 Tube fixation device May 30, 1989
The invention is a device for angular fixation of a delivery or drainage tube at, for example, the point where that tube exits through the skin from a body cavity. The tube may be used for delivery, extraction, or evacuation of fluids or gases through a surgically formed stoma in a p
4795430 Device for intubation of percutaneous endoscopic ostomy January 3, 1989
A unique device for intubating an ostomy, formed by a percutaneous endoscopic technique including a multi-lumen tube, having at least a fluid delivery lumen and an inflation lumen. The tube includes a port near one end to dispose the inflation lumen to ambient air and an outlet at an
4594074 Non-occluding high flow enteral feeding tube June 10, 1986
An improved, non-occluding high fluid flow enteral feeding tube including a non-collapsible bolus carried on a distal end of the tube. The bolus having at least one opening defining a tube outlet. The one opening being defined by generally vertical bolus side walls having a selected
4529102 Enteric feeding bag July 16, 1985
An enteric feeding bag having unique fluid dispensation features comprising a supplying chamber within the bag being coupled to an inlet, a feeding chamber of smaller volume than the supplying chamber being coupled to an inlet, a feeding chamber of smaller volume than the supplying chamb
4490143 Feeding tube assembly December 25, 1984
A feeding assembly for the administration of fluids to a patient comprising a tube having a rigid bolus near its distal end to facilitate the peristaltic movement of the assembly during insertion. The bolus has openings for fluid flow, said openings are oriented to prevent the tip of










 
 
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