Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
148 words
A rapid exchange type intravascular catheter adapted to be utilized with a guidewire, comprising: an elongated catheter shaft which has a proximal end, a distal end, a long relatively stiff proximal shaft section, a short relatively flexible distal shaft section; a distal guidewire port in the distal end of the catheter shaft; a proximal guidewire port in the catheter shaft which is at a location a short distance proximal to the distal end of the catheter shaft and a substantial distance distal to the proximal end of the catheter shaft; and an inner lumen which is configured to receive a guidewire therein and which extends within the catheter shaft and is in fluid communication with the proximal guidewire port and the distal guidewire port; and a slit in a wall of the catheter shaft in fluid communication with the inner lumen which opens to the proximal guidewire port.
Claim 2
Dependent Claim
148 words
A rapid exchange type intravascular catheter adapted to be utilized with a guidewire, comprising: an elongated catheter shaft which has a proximal end, a distal end, a long relatively stiff proximal shaft section, a short relatively flexible distal shaft section; a distal guidewire port in the distal end of the catheter shaft; a proximal guidewire port in the catheter shaft which is at a location a short distance proximal to the distal end of the catheter shaft and a substantial distance distal to the proximal end of the catheter shaft; and an inner lumen which is configured to receive a guidewire therein and which extends within the catheter shaft and is in fluid communication with the proximal guidewire port and the distal guidewire port; and a slit in a wall of the catheter shaft in fluid communication with the inner lumen which opens to the proximal guidewire port.
Claim 3
Dependent Claim
28 words
The intravascular catheter assembly of claim 1 wherein a guidewire is disposed within the inner lumen and extends out the proximal guidewire port and the distal guidewire port.
Claim 4
Dependent Claim
174 words
A rapid exchange type balloon dilatation catheter adapted to be utilized with a guidewire comprising: an elongated catheter shaft which has a proximal end, a distal end, a relatively long proximal shaft section and a relatively short distal shaft section; an inflation lumen which extends within the proximal and distal shaft sections to an inflation port at a location spaced from the distal end of the catheter shaft; an inflatable balloon on the distal shaft section having an interior in fluid communication with the inflation lumen through the inflation port; a distal port in the distal end of the catheter shaft; a proximal port in the catheter shaft which is at a location proximal to the inflatable balloon and a substantial distance distal to the proximal end of the catheter shaft; a guidewire receiving lumen which extends to the distal guidewire port and is in fluid communication therewith; and a slit in a wall of the catheter shaft which is in fluid communication with the guidewire lumen and which opens to the proximal port.
Claim 5
Dependent Claim
174 words
A rapid exchange type balloon dilatation catheter adapted to be utilized with a guidewire comprising: an elongated catheter shaft which has a proximal end, a distal end, a relatively long proximal shaft section and a relatively short distal shaft section; an inflation lumen which extends within the proximal and distal shaft sections to an inflation port at a location spaced from the distal end of the catheter shaft; an inflatable balloon on the distal shaft section having an interior in fluid communication with the inflation lumen through the inflation port; a distal port in the distal end of the catheter shaft; a proximal port in the catheter shaft which is at a location proximal to the inflatable balloon and a substantial distance distal to the proximal end of the catheter shaft; a guidewire receiving lumen which extends to the distal guidewire port and is in fluid communication therewith; and a slit in a wall of the catheter shaft which is in fluid communication with the guidewire lumen and which opens to the proximal port.
Claim 6
Dependent Claim
193 words
A balloon dilatation catheter adapted to be utilized with a guidewire comprising: a flexible elongated catheter shaft which has a proximal end and a distal end, an elongated proximal shaft section, a relatively short distal shaft section, a distal guidewire opening in the distal end of the catheter shaft and a proximal guidewire opening spaced proximally a short distance from the distal end of the catheter shaft and a substantial distance from the proximal end; a first lumen which extends within the catheter shaft through the proximal shaft section and the distal shaft section to the distal end of the catheter shaft and which is in fluid communication with the proximal and distal guidewire openings; a second lumen which extends through the proximal shaft section and the distal shaft section to an inflation port at a location in the distal shaft section spaced proximally from the distal end of the catheter shaft; and an inflatable balloon on the distal shaft section proximal to the distal end thereof and distal to the proximal guidewire opening having an interior in fluid communication with the second lumen through the inflation port in the distal shaft section.
Claim 7
Dependent Claim
193 words
A balloon dilatation catheter adapted to be utilized with a guidewire comprising: a flexible elongated catheter shaft which has a proximal end and a distal end, an elongated proximal shaft section, a relatively short distal shaft section, a distal guidewire opening in the distal end of the catheter shaft and a proximal guidewire opening spaced proximally a short distance from the distal end of the catheter shaft and a substantial distance from the proximal end; a first lumen which extends within the catheter shaft through the proximal shaft section and the distal shaft section to the distal end of the catheter shaft and which is in fluid communication with the proximal and distal guidewire openings; a second lumen which extends through the proximal shaft section and the distal shaft section to an inflation port at a location in the distal shaft section spaced proximally from the distal end of the catheter shaft; and an inflatable balloon on the distal shaft section proximal to the distal end thereof and distal to the proximal guidewire opening having an interior in fluid communication with the second lumen through the inflation port in the distal shaft section.
Claim 8
Dependent Claim
28 words
The balloon dilatation catheter of claim 4 including an adapter on the proximal end of the catheter shaft having means to direct inflation fluid to the second lumen.
Claim 9
Dependent Claim
24 words
The dilatation catheter of claim 5 including a longitudinal slit in the catheter shaft communicating with the first lumen and the proximal guidewire opening.
Claim 10
Dependent Claim
26 words
The intravascular catheter of claim 6 including means on the proximal end of the catheter to facilitate operation of the means to perform the intravascular procedure.
Claim 11
Dependent Claim
148 words
A rapid exchange type intravascular catheter adapted to be utilized with a guidewire, comprising: an elongated catheter shaft which has a proximal end, a distal end, an elongated proximal shaft section and a relatively short distal shaft section, a distal guidewire opening in the distal end of the catheter shaft and a proximal guidewire opening spaced a short distance proximally from the distal end of the catheter shaft and a substantial distance from the proximal end of the catheter shaft; a lumen which is configured to receive a guidewire therein, which extends through the proximal and distal shaft sections to the distal end of the catheter shaft and which is in fluid communication with the proximal and distal guidewire openings; and means to perform an intravascular procedure on the distal shaft section proximal to the distal end of the catheter shaft and distal to the proximal guidewire port.
Claim 12
Dependent Claim
148 words
A rapid exchange type intravascular catheter adapted to be utilized with a guidewire, comprising: an elongated catheter shaft which has a proximal end, a distal end, an elongated proximal shaft section and a relatively short distal shaft section, a distal guidewire opening in the distal end of the catheter shaft and a proximal guidewire opening spaced a short distance proximally from the distal end of the catheter shaft and a substantial distance from the proximal end of the catheter shaft; a lumen which is configured to receive a guidewire therein, which extends through the proximal and distal shaft sections to the distal end of the catheter shaft and which is in fluid communication with the proximal and distal guidewire openings; and means to perform an intravascular procedure on the distal shaft section proximal to the distal end of the catheter shaft and distal to the proximal guidewire port.