Description: 604 surgery / 604 surgery/(19) means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) (48) treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin (93.01) material introduced or removed through conduit, holder, or implantable reservoir inserted in body (158) body entering conduit axially movable within body piercing conduit while former is disposed in the body (159) having mechanical means for feeding conduit through piercing conduit
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