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 (118) having means for varying, regulating, indicating, or limiting injection pressure or aspirating suction (119) means varying or regulating suction (120) with cyclic or timed regulation
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