초록 ▼

A method for inserting an intra-aortic balloon device into a patient without using an insertion sheath is provided. Additionally, a hemostasis sheath is described for use with the insertion method. The hemostasis sheath may be incorporated onto the balloon catheter during manufacture before attachme

A method for inserting an intra-aortic balloon device into a patient without using an insertion sheath is provided. Additionally, a hemostasis sheath is described for use with the insertion method. The hemostasis sheath may be incorporated onto the balloon catheter during manufacture before attachment of the intra-aortic balloon bladder. The hemostasis sheath is tapered from a smaller outside diameter at the point closest to the balloon bladder gradually increasing in diameter towards a large outside diameter at the end opposite the balloon bladder. The hemostasis sheath may also have an extended tip of constant outside diameter at its proximal end to facilitate insertion through the skin. If bleeding occurs after insertion of the intra-aortic balloon according to the invention, the hemostasis sheath is slid into the insertion site to stop the bleeding.

대표청구항 ▼

A method for inserting an intra-aortic balloon apparatus through a patient\s skin and into the femoral artery, wherein said intra-aortic balloon apparatus includes a balloon catheter having a proximal end and a distal end, an inflatable and deflatable balloon bladder means sealidly attached at the d

A method for inserting an intra-aortic balloon apparatus through a patient\s skin and into the femoral artery, wherein said intra-aortic balloon apparatus includes a balloon catheter having a proximal end and a distal end, an inflatable and deflatable balloon bladder means sealidly attached at the distal end of the balloon catheter and a hollow stylette means passing through the length of the intra-aortic balloon, said intra-aortic balloon apparatus further including a hemostasis sheath slidably coupled with the balloon catheter between the balloon bladder means and the proximal end of the balloon catheter, said hemostasis sheath having a distal end adjacent to the balloon bladder means and a proximal end opposite from the balloon bladder means having a larger outside diameter than that at the distal end, said intra aortic balloon apparatus also including sealing means releaseably coupled to said hemostasis sheath, the method comprising the steps of: (a) puncturing the patient\s skin and femoral artery to create an opening in the skin and artery; (b) inserting a guide wire into the opening in the artery and passing the guide wire up to the patient\s aorta; (c) dilating with dilating means the opening to achieve a diameter sufficient to permit insertion of the intra-aortic balloon bladder means in a wrapped configuration into the femoral artery; (d) removing the dilating means; (e) without the use of an insertion sheath, directly inserting the intra-aortic balloon bladder means in a wrapped configuration over the guide wire and through the opening and passing it up to the aorta; and (f) sliding the hemostasis sheath along the balloon catheter, through the insertion site and into the femoral artery far enough to control bleeding from the puncture opening in the femoral artery, yet permit blood flow along the femoral artery.