Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1981-12-10
1983-09-20
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604240, A61M 500
Patent
active
044053070
ABSTRACT:
The method is used for fabricating a needle assembly (10) comprising an outer cannula (12), an inner stylet (32), an orienting hub (16) on the proximal end (18) of the cannula (12) and a mating locating cap (40) on the proximal end (38) of the stylet (32).
The method comprises the steps of: fixing a plug (36) of plastic material on the proximal end (38) of the stylet (32); inserting the distal end (33) of the stylet (32) into the proximal end (18) of the cannula (12) having a hub (16) with locating means (28) at the proximal end (18) of the cannula (12); aligning the distal end (33) of the stylet (32) longitudinally and rotationally with the distal end (13) of the cannula (12); placing a locating cap (40) having a throughbore (42) over the plastic plug (36) on the proximal end (38) of the stylet (32) inserted into the cannula (12) and aligned at the outer end thereof with the stylet (32); positioning locating means (44) on the cap (40) in mating relationship with the locating means (26) on the hub (16); and, inserting solvent into the outer end (43 ) of the bore (42) in the cap (40) to solvent bond the cap (40) to the plug (36) on the stylet (32) with the cap (40) and hub (18) and stylet (32) and cannula (12) in proper alignment with each other.
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patent: 2996105 (1961-08-01), Holderith
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patent: 4240423 (1980-01-01), Akhavi
patent: 4240425 (1980-12-01), Akhavi
Pellegrino Stephen C.
Vigil Thomas R.
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