Catheter for temporary pacing and pacemaker

• US 5,356,427 A
• Filed: 05/20/1993
• Issued: 10/18/1994
• Est. Priority Date: 03/29/1988
• Status: Expired due to Fees

• Current Assignee: Nippon Zeon Co., Ltd. (BASF SE)
• Original Assignee: Nippon Zeon Co., Ltd. (BASF SE)
• Inventors: Takagi, Kiyoshi, Yoshida, Shigeto, Iwai, Fumiharu, Tsuji, Takashi, Horikawa, Masayuki, Kawabata, Takashi, Miyata, Shinichi, Miyahara, Masaru
• Primary Examiner(s): Kamm, William E.
• Assistant Examiner(s): Getzow, Scott M.
• Application Number:
  US08/063,068
• Time in Patent Office: 516 Days
• Field of Search: 607/122, 607/37, 607/10, 206/571
• US Class Current: 607/122
• CPC Class Codes: A61N 1/0565 Electrode heads
• CPC Class Codes: A61N 1/3625 External stimulators
• CPC Class Codes: A61N 1/365 controlled by a physiological parameter, e.g. heart potential evoked response A61N1/371

Abstract

A temporary pacing catheter having an integrally attached temporary pacemaker function is disclosed. The pacemaker integrally built in this catheter for temporary pacing has a very small size and can be fixed to the body of a patient, and therefore, the patient can be transferred conveniently. Furthermore, if this catheter is packaged in the sterilized condition, problems or another'"'"'s help required for the connection of the catheter to the pacemaker and the like operations in the conventional technique can be avoided, and therefore, the packaged catheter is suitably used for an emergency treatment. Moreover, if a balloon is attached and arranged so that when the balloon is inflated, the balloon envelopes an electrode at the distal end, the catheter can be caused to flow in the heart and blood vessel safely and promptly.

Claims

1. A temporary pacing catheter combined with a pacemaker, said temporary pacing catheter having a branched portion where at least two linear portions having separate functions are combined into one linear portion having multiple functions, said temporary pacing catheter and pacemaker comprising:

a temporary pacemaker integrally attached to one of the at least two linear portions, wherein said temporary pacemaker exhibits a stimulation frequency and a stimulation output, with at least one of said stimulation frequency and said stimulation output being a fixed value, and having an adjusting means for automatically adjusting an electrocardio-input sensitivity;

said temporary pacing catheter further comprising an electrode attached to a distal end of the linear portion having multiple functions; and

a balloon attached to a vicinity of the distal end of the linear portion having multiple functions said balloon being arranged so that, when the balloon is inflated, the balloon envelopes the distal end electrode.

2. A temporary pacing catheter and pacemaker according to claim 1, wherein the electrode attached to the distal end of the linear portion having multiple functions is an annular electrode, and a fluid-flowing lumen extending through the linear portion having multiple functions is formed so that the lumen opens at the distal end thereof.

3. A temporary pacing catheter and pacemaker according to claim 1, wherein the dimensions of said pacemaker are approximately 7 cm ×

approximately 3 cm ×

approximately 1 cm.

4. A temporary pacing catheter and pacemaker having a branched portion where at least two linear portions having separate functions are combined into one linear portion having multiple functions, said temporary pacing catheter and pacemaker comprising:

a temporary pacemaker integrally attached to one of said at least two linear portions having separate functions;

an electrode attached to a distal end of the linear portion having multiple functions; and

a balloon attached to the vicinity of the distal end of the linear portion having multiple functions said balloon being arranged so that, when the balloon is inflated, the balloon envelops the distal end electrode,

wherein said temporary pacemaker exhibits a stimulation frequency and a stimulation output, with at least one of said stimulation frequency and said stimulation output being a fixed value, and having an adjusting means for automatically adjusting an electrocardio-input sensitivity.

5. A temporary pacing catheter and pacemaker according to claim 4, wherein the electrode attached to the distal end of the linear portion having multiple functions is an annular electrode, and a fluid-flowing lumen extending through the linear portion having multiple functions is formed so that the lumen opens at the distal end thereof.