What is a skin puncture or capillary blood collection?

What is a skin puncture or capillary blood collection?

Skin puncture or capillary blood collection involves puncturing the dermis layer of the skin to access the capillary beds which run through the subcutaneous layer of the skin.

Where is a skin puncture performed?

puncture site. Recommended skin puncture sites are the finger for adult patients and older children and the heel for infants and younger children.

What is a skin puncture in phlebotomy?

Skin Puncture technique is used to obtain blood specimens when venipuncture or other collection methods are not appropriate. Blood specimens obtained by skin puncture are especially important in pediatrics, because small but adequate amounts of blood for laboratory tests can be obtained with this technique.

What device is used for a dermal puncture?

Plastic microcollection devices: Plastic microcollection devices are small plastic tubes designed to collect capillary blood from a dermal puncture wound. Each small collection tube is color-coded in the same manner as blood collection tubes used for venipuncture.

What is the difference between venipuncture and capillary puncture?

The procedure is easier and less painful than traditional venipuncture which draws blood from a vein. In order to collect blood with a capillary tube, the appropriate site must be cleaned and punctured with a lancet so that a drop of blood can be gently expressed.

What is the difference between skin puncture and venipuncture?

may be collected more successfully by skin puncture, provided the volume of blood required is minimal. Although skin punctures may be more painful than a properly performed venipuncture, stabilizing the puncture site after the piercing the skin is less critical to the success of the procedure.

What is a skin puncture?

Skin Puncture. Collected For: CSTK-09, Definition: Puncture of the skin with a needle or introducer to provide an entry site for arterial access.

What’s difference between venipuncture and finger puncture?

A phlebotomy blood sample (also known as venous) is where the blood is collected from the vein. A finger prick blood test (also known as capillary) is one that is collected from the finger using a lancet that pricks the finger with a small, sharp needle.

What is the difference between venipuncture and skin puncture?

What is the order of draw for skin puncture?

3. Order of draw. With skin punctures, the haematology specimen is collected first, followed by the chemistry and blood bank specimens. This order of drawing is essential to minimize the effects of platelet clumping. The order used for skin punctures is the reverse of that used for venepuncture collection.

How do you get rid of a skin puncture?

To take care of a puncture wound:

1. Wash your hands. This helps prevent infection.
2. Stop the bleeding. Apply gentle pressure with a clean bandage or cloth.
3. Clean the wound. Rinse the wound with clear water for 5 to 10 minutes.
4. Apply an antibiotic.
5. Cover the wound.
6. Change the dressing.
7. Watch for signs of infection.

How Deep is a skin puncture?

Using a lancet, or heel incision device, and wearing gloves, perform the puncture on the plantar surface of the heel (the shaded area in figure 3). The puncture should be made to a depth of less than 2.0 mm with a sterile lancet or incision device (figure 4).

What is skin puncture used for blood collection?

COLLECTION OF BLOOD SPECIMENS BY SKIN PUNCTURE I. PRINCIPLE: Skin Puncture technique is used to obtain blood specimens when venipuncture or other collection methods are not appropriate.

What is the importance of skin puncture in pediatrics?

Blood specimens obtained by skin puncture are especially important in pediatrics, because small but adequate amounts of blood for laboratory tests can be obtained with this technique.

What are the different types of punctures?

1. TYPES OF PUNCTURES By Dr Fatehia Awny Faculty of Health Sciences . BAU 2015 2.  Skin puncture Earlobe puncture. Types of punctures: Finger puncture heel stick 3. 1. for patients in whom venous access is difficult, 2. when small quantities of blood are sufficient for testing.

How do you use a puncture device on a patient?

Hold the patient=s heel or finger firmly to prevent sudden movement. Place the puncture device on the cleansed skin with minimum skin compression. Depressing the device forcefully closes the distance between skin and bone, risking bone penetration and the complications that can follow. Notify the patient of the imminent puncture.