US PATENT SUBCLASS 427 / 2.28
.~ Device for creating or holding open an unnatural opening in a membrane or organ (e.g., syringe, scalpel, drainage tube)

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

2.1  DF  MEDICAL OR DENTAL PURPOSE PRODUCT; PARTS; SUBCOMBINATIONS; INTERMEDIATES (E.G., BALLOON CATHETER, SPLINT) {7}
2.28.~ Device for creating or holding open an unnatural opening in a membrane or organ (e.g., syringe, scalpel, drainage tube)

DEFINITION

Classification: 427/2.28

Device for creating or holding open an unnatural opening in a membrane or organ (e.g., syringe, scalpel, drainage tube):

(under subclass 2.1) Processes in which the product is intended to pierce or cut an organ or a membrane so as to create an opening therein (e.g., invasive devices) or to hold open a created (i.e., unnatural) opening in an organ or a membrane; parts, subcombinations, or intermediates thereof or therefor.

(1) Note. Skin is an organ for purposes of this subclass.

(2) Note. The term catheter has been applied to devices which serve purposes other than what satisfies this subclass definition. For coating processes relating to such other purpose devices, proper classification will usually be in subclass 2.1, above.

SEE OR SEARCH CLASS

604, Surgery, for body treating and medicating methods and apparatus which include the application, storing, collecting, introduction, or removal of materials from the body;

19+, for means for introducing or removing material from the body for therapeutic purposes; subclasses 317+ for means and methods for collecting body fluids or waste material; and subclass 403 for container for blood or body treating

material or for means used therewith (e.g., needle for piercing container closure).

606, Surgery, for Class 128 subject matter relating to devices or appliances for use in operative surgery upon the body or in preparation for operative surgery or for devices designed to assist in operative surgery; 79+, for orthopedic (bone, bonelike material, or cartilage) cutting; subclasses 110+ for tonsil, adenoid, or polyp removing; subclass 166 for corneal cutter or guide for corneal cutter; subclasses 167+ for cutting, puncturing, or piercing not more hierarchically placed; subclass 222 for suturing needle; and subclasses 228+ for suture or ligature.