Catheter

The sternocleidomastoid is used as a landmark for insertion of a central venous catheter.

The procedure is called catheter ablation because it burns off a small amount of heart muscle.

The nurse emptied the catheter bag and measured the amount of urine output.

They put a catheter in Tom.

And I humbly hope, that the Deſcription, and the Method of uſing this Catheter, will be a means of reviving an Operation ſo happily begun, and calculated for the Good of thoſe that are afflicted with the Stone in the Bladder.

Of course there are two kinds of catheters, one intended for the male, the other for the female urethra. The common catheter is a silver tube, of such diameter as will allow it to be introduced with ease into the urethra, and of various figures and lengths, according as it is intended for the young or adult, the male or female, subject.

Careful positioning of the catheter is essential to achieve a technically satisfactory dialysis. Final placement is made by assessing drainage and by positioning the tip of the catheter according to the patient's comfort.

Embryos are transferred into a womb using a long, soft catheter attached to a syringe containing the embryos in a transfer solution. The catheter is threaded through the endocervical canal ("birth canal") into the uterine cavity under ultrasound guidance, and the embryos are deposited gently high in the womb.