Question

whats the theory on the following devices: penrose drain Jackson Pratt Hemovac Wound Vac

Answer 1

Penrose drain:
Penrose drain is a flat, soft, flexible tube it allow blood and body fluids drain outside. It prevent fluid collection under the surgical site and prevent infeciton. it will be scured with the skin by suture. passive drains due to gravity make optimal drinage. this drain should be exit by the single stab incision away from the primary incision, it increases drain effectively. The dorsal end of the drain should be in the wound or drain end should be secured with the suture outside. it should be covered with sterile absorband bandage otherwise it causes skin irritation.
Jackson Pratt drains:
It is also called as JP drains, it is used for veterinary practice. There will be continuous suction by collapsible grenade style collection reservoir. It is simple to use and various sizes with the desired length are available. It is made from extension sets like butterfly sets and it can be attached to the syringe. plunges drawback and with safety pin can be placed to maintain pressure. The fenestrated portion will be inside the wound and the drain tubing will be outside from existed site to avoid air enter into the wound. special care must be done for closed wound otherwise the wound should be sealed and drain secured.
Hemovac wound vac:
Hemovac drain removes fluids from the body after the surgery. it is a circular device connected with tube. one end will be placed inside the surgical site as a drain site and it connected to the end and other end placed inside during surgery. stitches will hold the tube in position. It removes fluids by suction. The device squeezed flat and when fluid collects it expand.