Capillary Puncture

• Capillary puncture: a procedure that involves the collection of drops of blood by puncturing or making an incision in the capillary bed in the dermal layer of the skin.
• Capillary puncture is a procedure that involves the collection of DROPS OF BLOOD by PUNCTURING or making an INCISION in the CAPILLARY BED in the DERMAL layer of the SKIN.
• What are the other terms for capillary puncture?(2)

  Dermal or skin puncture
• What is the mnemonic used for the devices in capillary puncture?

  LL MM CMW
• What are the devices used in capillary puncture?

  lancet, laser, microtubes, microhematocrit tubes and sealants, capillary blood gas equipment, microscope slides, and warming devices
• Lancet is also known as what?

  Incision device
• Lancet: a STERILE, DISPOSABLE, SHARP-POINTED, or BLADED instrument that punctures the skin to obtain a capillary blood specimen.
• What are the 4 selection for lancet?

  Age of the patient, collection site, volume of specimen, and puncture depth
• What are the 2 types of lancets?

  Finger and Heel puncture
• Laser lancet: vaporizes water in the skin to produce a small hole in the capillary bed without burning the delicate capillaries.
• laser lancet VAPORIZES WATER in the SKIN to produce a SMALL HOLE in the CAPILLARY BED without BURNING the DELICATE CAPILLARIES.
• What is an special example of lancet laser?

  the lasette
• The Lasette is SINGLE-USE and DISPOSABLE inserts to prevent CROSS-CONTAMINATION.
• Microtubes are also known as what?

  Microcollection tubes or bullets
• Microtubes: Special small plastic tubes used to collect the tiny amounts of capillary blood specimen
• Microtubes have COLOR-CODED what?

  bodies or stoppers
• The color-coded bodies or stoppers of microtubes correspond to the color-coding of what?

  ETS blood collection tubes
• What is the minimum and maximum markings of microtubes?

  250uL - 500uL
• The new microtube is known as what?

  BD microtainer
• BD microtainer has a PENETRABLE SEPTUM for use with AUTOMATED HEMATOLOGY SYSTEMS
• Microhematocrit tubes: disposable, narrow-bore plastic or plastic-clad capillary tubes
• Microhematocrit tubes are used to observe what?

  Capillary action
• Microhematocrit tubes uses how many blood?

  50-75 uL
• Manual Hematocrit: Packed Cell Volume or PCV
• Microhematocrit tubes can be PLAIN or coated with what?

  Ammonium heparin
• Microhematocrit tubes coated with ammonium heparin is for collecting hematocrit DIRECTLY from what?

  Capillary puncture
• Plain HCT tubes is filled with blood from what?

  Lavender-top tube
• Heparin tubes have what color of bands on one end?

  red or green
• What band color does nonadditive HCT tube have?

  blue
• Sealants can be what?

  Plastic or clay
• Plastic or clay sealant come in what?

  small trays
• Plastic or clay sealant: to seal ONE END of microhematocrit tubes
• CBG Collection tubes: long thin narrow-bore capillary tubes
• CBG collection tubes are what?

  plastic
• Length of CBG Collection tubes?

  100 mm
• Capacity of CBG Collection tubes?

  100uL
• Green band CBG collection tubes has a green band with what?

  Sodium heparin
• CBG stirrers are also known as what?

  Fleas
• CBG Stirrers has what?

  small metal filings or bars
• CBG Stirrers: to aid in mixing the anticoagulant