초록

There is provided a tubular connector to connect first and second fluid tubes wherein separately formed first and second tubular sections are jointed together with a built-in artificial valve in the inside fluid path.

대표청구항 ▼

A tubular connector to connect first and second fluid tubes especially adapted for a blood pumping device, said tubular connector comprising: an annular packing; a first formed single wall tubular section having a first end with an annular recess and a second end; a second formed single wall tubular

A tubular connector to connect first and second fluid tubes especially adapted for a blood pumping device, said tubular connector comprising: an annular packing; a first formed single wall tubular section having a first end with an annular recess and a second end; a second formed single wall tubular section having a first end which is detachably inserted into said annular recess of said first tubular wall section with said annular packing fitting between abutting faces thereof, said second tubular section having an annular recess in an inner surface of said first end, said annular recess of said second tubular section positioned entirely inside said annular recess of said first tubular section when said second tubular section is inserted in said first tubular section, said second tubular section having a second end, one of said first and second tubular sections having the second end connected to said blood pumping device and the other tubular section having said second end connected to a blood passage; a sealing ring fitted inside said annular recess of said second tubular section; a built-in valve to control flow of fluid in an inside fluid path of said tubular connector, said valve having a valve seat fitted inside said sealing ring; and said valve being disposed at a predetermined position in a region of said detachable insertion.