Device for targeted, catheterized delivery of medications

Details Device for targeted, catheterized delivery of medications Device for targeted, catheterized delivery of medications

2005-06-14

2005-06-14

Sirmons, Kevin C. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S272000, C433S080000, C433S165000, C606S080000

Reexamination Certificate

active

06905486

ABSTRACT:
Apparatus and method for catheterized delivery or infusion of medication and anaesthesia are disclosed. The perforating catheter is first used to perforate the periodontal ligament and/or the cortical plate of bone tissue, and is then left in place and used as a catheter for insertion of a hypodermic needle of smaller gauge to deliver medication or anaesthesia to a target area. The perforator is a bevelled needle for drilling into the ligament or bone tissue. For drilling, the device comprises an adaptor which transmits the rotational movement from a dental hand piece or the like to the bevelled needle. A cap is also included for protecting the bevelled needle during storage of the device. The adaptor may have a rod which extends axially into the bevelled needle when the device is assembled for drilling. The rod is used to prevent the debris resulting from drilling from blocking the passage in the bevelled needle. As well, the rod reinforces the needle and maintains the alignment between the perforator and the adaptor for improved drilling efficiency. An adapter is disclosed which couples with the catheter once in place easing access to supply medication to difficult to reach areas.

REFERENCES:
patent: 4142517 (1979-03-01), Contreras Guerrero de Stavropoulos et al.
patent: 5133359 (1992-07-01), Kedem
patent: 5378149 (1995-01-01), Stropko

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