摘要:
In order to miniaturize a piezoelectric body module, in which a rhombus-shaped electronic part 4 and a polygonal-shaped electronic part 5 are arranged on a rectangular substrate 2: the rhombus-shaped electronic part 4 is arranged on the substrate 2 such that a side 105 of the substrate 2 and a side 101 of the rhombus-shaped electronic part 4 are parallel to each other; and the polygonal-shaped electronic part 5 is arranged on the substrate 2 such that a side 104 of the rhombus-shaped electronic part 4 and a side 109 of the polygonal-shaped electronic part 5 are parallel to each other.
摘要:
A fluid injection device that injects a fluid to a biological tissue from an injection opening to excise the biological tissue, includes: a fluid injection means that injects the fluid from the injection opening; and a suction means that sucks at least one of the injected fluid and the excised biological tissue by periodically varying a negative suction pressure.
摘要:
A fluid ejection apparatus ejecting fluid from an ejection port, includes: a suction port provided at a position apart from the ejection port and applied with a negative pressure; and a fluid channel provided between the vicinity of the ejection port and the suction port, and configured to suck the fluid in the vicinity of the ejection port by the surface tension of the fluid and move the same toward the suction port.
摘要:
A fluid ejection device includes: a fluid chamber in which fluid flows; a volume varying unit having a pressure generating element that varies the volume of the fluid chamber on the basis of a driving signal; an inlet fluid channel and an outlet fluid channel intercommunicating with the fluid chamber; a fluid channel pipe having a connection fluid channel that intercommunicates with the outlet fluid channel at a first end thereof and intercommunicates with a fluid ejection port at a second end thereof; a fluid supply unit that supplies fluid to the inlet fluid channel; and a controller that applies a driving signal to the pressure generating element and controls variation of the volume of the fluid chamber by the volume varying unit, wherein the controller applies a driving signal to the pressure generating element so that a maximum ejection velocity of fluid in liquid is larger than a maximum ejection velocity of fluid in the air.
摘要:
A fluid ejection device includes: a fluid chamber into which fluid flows; a volume varying unit that varies the volume of the fluid chamber; an inlet fluid channel and an outlet fluid channel intercommunicating with the fluid chamber; a fluid ejection port that ejects fluid flowing out from the outlet fluid channel; a fluid supply unit that supplies fluid into the inlet fluid channel; a controller that controls the variation of the volume of the fluid chamber by the volume varying unit; and a color detector that detects color of a fluid ejection target area facing the fluid ejection port, wherein the controller controls the variation of the volume of the fluid chamber by the volume varying unit in accordance with the color detected by the color detecting unit.
摘要:
A fluid injection device includes: a pulse generator which converts fluid into pulse flow; a suction pipe projecting from the pulse generator; an injection pipe which is eccentrically inserted into the suction pipe such that the outer circumferential surface of the injection pipe contacts the inner circumferential surface of the suction pipe, and has an injection opening communicating with the pulse generator; and a suction channel and a suction opening formed between the inner circumferential surface of the suction pipe and the outer circumferential surface of the injection pipe, wherein the injection pipe is fixed to the inner circumferential surface of the suction pipe in the vicinity of the injection opening.
摘要:
A fluid ejection method includes: supplying fluid at a predetermined fluid supply flow rate to a pressure chamber; generating a pulsed flow by varying the volume of the pressure chamber at a predetermined frequency; and ejecting the pulsed flow, wherein the fluid supply flow rate is proportional to the frequency.
摘要:
Pulsating flow generating apparatus that changes the volume of a fluid chamber and injects fluid from a fluid injection opening in a pulsed manner, includes: an inlet flow channel for supplying fluid from a fluid supplying unit to the fluid chamber; a volume changing unit that changes the volume of the fluid chamber; an outlet flow channel that delivers the fluid from the fluid chamber to the fluid injection opening; a discharge flow channel that discharges the fluid from the fluid chamber; and an opening and closing valve that opens and closes the discharge flow channel, wherein the synthetic inertance of the discharge flow channel is set smaller than the synthetic inertance of the outlet flow channel, an operation of the volume changing unit is started while closing the opening and closing valve, and the operation of the volume changing unit is stopped while opening the opening and closing valve.
摘要:
A fluid ejection device for ejecting a fluid to incise or excise a target includes: a fluid supplying unit which supplies the fluid; an operation unit to which the fluid supplied from the fluid supplying unit continues; a fluid ejection tube which ejects the fluid continuing to the operation unit; an ejection mode selecting unit which allows a predetermined ejection mode to be selected; an acceleration sensor which detects an operation acceleration of the operation unit; and a controller which controls ejection of the fluid, using a preset acceleration that is set on the basis of the ejection mode that is selected, and the operation acceleration detected by the acceleration sensor.
摘要:
A fluid ejection device includes a pulsation generator which converts a fluid into a pulsed fluid, a fluid supply unit (supply pump) which supplies the fluid to the pulsation generator, an ejection tube which has an ejection opening communicating with the pulsation generator, a suction tube into which the ejection tube is inserted with play, a suction channel provided between the suction tube and the ejection tube, a suction opening provided at an end of the suction channel in a vicinity of the ejection opening, and a suction unit (suction pump) which sucks fluid in such a manner that the fluid introduced from the suction opening passes through the suction channel. The ejection opening is held by an inner circumferential part of the suction opening. According to this structure, vibration of the ejection tube in the vicinity of the ejection opening can be reduced.