A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/01 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2082315
Catheters are provided with modified distal ends which reduce substantially the trauma to patients during placement of the catheter of the invention in a patient. The distal end has a very soft-tip of specific range of length to provide proper control without trauma during placement. Moreover, the very soft tip has a rounded front end to eliminate any sharp edges for insertion in the patient. The invention includes a specific method in which the catheter body and soft tip are formed separate and comprised of very soft Shore A hard- ness ranges, and joined together by melt-bonding with RF bonding to minimize the extent the two parts are subjected to melting, and therefore minimize surface blemishes at the joint, again to reduce trauma. The rounded front or distal end of the tip may be formed before or after bonding by introduction into a mold for that purpose.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
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