초록 ▼

A subcutaneous infusion set for the subdermal infusion of fluids which includes a housing having an internal chamber within which a uniquely configured infusion cannula is dynamically mounted. The cannula, which is generally spiral shaped, has a body portion that is disposed within the internal cham

A subcutaneous infusion set for the subdermal infusion of fluids which includes a housing having an internal chamber within which a uniquely configured infusion cannula is dynamically mounted. The cannula, which is generally spiral shaped, has a body portion that is disposed within the internal chamber and a pierceable portion which extends angularly outwardly from the base of the apparatus. With this construction, when the device is interconnected with a patient, normal movement by the patient will permit the cannula to move dynamically within the internal chamber while the base of the device which is removably affixed to the patient 's skin remains completely stationary.

대표청구항 ▼

[ I claim:] [1.] An apparatus for subdermal delivery of fluid from a source of fluid to a patient at a controlled rate comprising a subcutaneous infusion device having a body portion provided with an internal chamber and including a hollow cannula connected to said body portion, said hollow cannula

[ I claim:] [1.] An apparatus for subdermal delivery of fluid from a source of fluid to a patient at a controlled rate comprising a subcutaneous infusion device having a body portion provided with an internal chamber and including a hollow cannula connected to said body portion, said hollow cannula having:(a) an inlet end portion in fluid communication with the source of fluid;(b) a central body portion disposed within said internal chamber for movement therewithin with respect to said inlet end portion; and(c) an outlet end portion comprising a pierceable portion extending outwardly from said body portion for insertion into the patient, said outlet end portion also being movable with respect to said inlet end portion.