PUNCTURE DEVICE AND METHOD FOR CONTROLLING SAME

• US 20100106144A1
• Filed: 10/20/2009
• Published: 04/29/2010
• Est. Priority Date: 10/29/2008
• Status: Abandoned Application

• Current Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Matsumura, Keisuke, Horikawa, Kiyohiro
• Application Number:
  US12/582,278
• Publication Number:
  US 20100106144A1
• Time in Patent Office: Days
• US Class Current: 606/10
• CPC Class Codes: A61B 18/20 using laser
• CPC Class Codes: A61B 2017/00734 battery operated
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150099 by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
• CPC Class Codes: A61B 5/150175 Adjustment of penetration depth
• CPC Class Codes: A61B 5/150358 Strips for collecting blood, e.g. absorbent optical reagent test strips G01N21/8483; chemical reagent test strips G01N33/4875, G01N33/52
• CPC Class Codes: A61B 5/15113 Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
• CPC Class Codes: A61B 5/15136 by use of radiation, e.g. laser
• CPC Class Codes: A61B 5/157 Devices characterised by integrated means for measuring characteristics of blood

Abstract

A puncture device 21 comprises capacitors 24 and 33 to which voltage is applied, a laser puncture unit 25 to which the output of these capacitors 24 and 33 is supplied, a trigger circuit 30 that applies a trigger voltage to the laser puncture unit 25, and a controller 35 that controls this trigger circuit 30. The puncture device 21 further comprises switches 29 and 32 that switch the connection of the capacitors 24 and 33. The switches 29 and 32 are controlled by the controller 35 so as to carry out a first puncture, which is performed with the capacitors 24 and 33 connected in parallel, and a second puncture, which is performed with the capacitors 24 and 33 connected in series.

Claims

1. A puncture device, comprising:

a laser rod configured to output a laser beam for puncturing a finger;

a flash lamp configured to excite the laser rod;

a plurality of capacitors configured to apply voltage to the flash lamp;

a power supply configured to charge the capacitors;

a switching component configured to switch the connection of the plurality of capacitors between parallel connection and serial connection; and

a controller configured to control the emission timing of the flash lamp and control the switching component so that a first puncture is performed by connecting the plurality of capacitors in parallel, and a second puncture is performed by connecting the plurality of capacitors in series.

2. The puncture device according to claim 1,

further comprising a chop switch configured to connect the flash lamp and the capacitors.

3. The puncture device according to claim 1,

further comprising a converging lens configured to converge the laser beam outputted from the laser rod.

4. The puncture device according to claim 1,

wherein the switching component includes a transistor.

5. The puncture device according to claim 1,

wherein the power supply is a battery.

6. A method for controlling a puncture device that comprises a laser rod configured to output a laser beam for puncturing a finger, a flash lamp configured to excite the laser rod, a plurality of capacitors configured to apply voltage to the flash lamp, a power supply configured to charge the capacitors, a switching component configured to switch the connection of the plurality of capacitors between parallel connection and serial connection, and a controller configured to control the emission timing of the flash lamp and control the switching component so that a first puncture is performed by connecting the plurality of capacitors in parallel, and a second puncture is performed by connecting the plurality of capacitors in series,

the method comprising the steps of:

connecting a plurality of capacitors in parallel;

charging the plurality of capacitors with electrical power;

activating the flash lamp to output a laser beam;

switching the plurality of capacitors to a serial connection; and

activating the flash lamp to output a laser beam.

7. The method for controlling a puncture device according to claim 6,

further comprising the step of connecting the plurality of capacitors in parallel after the step of activating the flash lamp to output a laser beam.

8. A method for controlling a puncture device that comprises a laser rod configured to output a laser beam for puncturing a finger, a flash lamp configured to excite the laser rod, a plurality of capacitors configured to apply voltage to the flash lamp, a power supply configured to charge the capacitors, a switching component configured to switch the connection of the plurality of capacitors between parallel connection and serial connection, a controller configured to control the emission timing of the flash lamp and control the switching component so that a first puncture is performed by connecting the plurality of capacitors in parallel, and a second puncture is performed by connecting the plurality of capacitors in series, and a chop switch that connects the flash lamp and the capacitors,

the method comprising the steps of:

connecting a plurality of capacitors in parallel;

charging the plurality of capacitors with electrical power;

activating the flash lamp to output a laser beam;

switching off the chop switch and switching off the emission of the flash lamp after a specific length of time has elapsed;

switching the plurality of capacitors to a serial connection;

switching on the chop switch after a specific length of time has elapsed; and

activating the flash lamp to output a laser beam.

9. The method for controlling a puncture device according to claim 8,

further comprising the step of switching the plurality of capacitors to parallel connection after the step of activating the flash lamp to output a laser beam.

10. A puncture device, comprising:

a laser output component configured to output a laser beam for puncturing a finger;

an excitation component configured to excite the laser output component;

a plurality of capacitors configured to apply voltage to the excitation component;

a switching component configured to switch the connection of the plurality of capacitors between parallel connection and serial connection; and

a controller configured to control the switching component so that puncture is performed a plurality of times while the connection state of the plurality of capacitors is switched between parallel connection and serial connection.