Claims
- 1. A system to detect the position of a distal end of an introducer assembly in tissue containing a blood vessel, comprising:
(a) an introducer assembly having a distal end and a proximal end and a fluid path between the distal end and the proximal end; and (b) a pressure sensor, coupled to the proximal end of the introducer assembly, to measure blood pressure and output a waveform indicative of blood pressure at the distal end of the introducer assembly.
- 2. A system as set forth in claim 1, further comprising:
a display to display said waveform.
- 3. A system as set forth in claim 1 wherein the introducer assembly comprises a core pin with a channel as said fluid path.
- 4. A system as set forth in claim 1 wherein the introducer assembly comprises:
an introducer with a side hole at a distal end of the introducer; and a core pin, insertable into the introducer, with a channel as said fluid path, the channel being in communication with the side hole of the introducer when the core pin is inserted into the introducer.
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS
[0001] This application is a divisional of application Ser. No. 10/704,556,filed Nov. 12, 2003; which is a divisional application of application Ser. No. 10/042,247, filed Jan. 11, 2002, now U.S. Pat. No. 6,682,489, which in turn claims the benefit of priority of U.S. Provisional Patent Application No. 60/260,895, filed Jan. 12, 2001. The entire contents of application Ser. No. 10/704,556; application Ser. No. 10/042,247 and the Provisional Application No. 60/260,895 are incorporated herein by reference.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60260895 |
Jan 2001 |
US |
Divisions (2)
|
Number |
Date |
Country |
Parent |
10704556 |
Nov 2003 |
US |
Child |
10798438 |
Mar 2004 |
US |
Parent |
10042247 |
Jan 2002 |
US |
Child |
10704556 |
Nov 2003 |
US |