Fluid injection device

Details Fluid injection device Fluid injection device

2011-03-08

2011-03-08

Sirmons, Kevin C. (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S131000, C606S159000, C606S167000

Reexamination Certificate

active

07901374

ABSTRACT:
A fluid injection device includes: a pulse generation section that includes a fluid chamber whose volume is changeable, and an inlet flow passage and an outlet flow passage that are connected to the fluid chamber; a first connection flow passage connected to the outlet flow passage, having an end portion; a second connection flow passage connected to the inlet flow passage; a fluid injection opening formed at the end portion of the first connection flow passage, having a diameter smaller than the diameter of the outlet flow passage; a connection flow passage tube including the first connection flow passage and having rigidity adequate to transmit pulses of fluid flowing from the fluid chamber to the fluid injection opening; and a pressure generation section that supplies fluid to the inlet flow passage.

REFERENCES:
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patent: 7600987 (2009-10-01), Seto et al.
patent: 2007/0154336 (2007-07-01), Miyazaki et al.
patent: A-63-176679 (1988-07-01), None
patent: A-2003-239866 (2003-08-01), None
patent: A-2004-180841 (2004-07-01), None
patent: A-2005-152127 (2005-06-01), None
patent: A-2005-307743 (2005-11-01), None

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