Class Definition for Class 604

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CLASS 604,	SURGERY
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SUBCLASSES

[List of Patents for class 604 subclass 1]

SWAB INCLUDING HANDLE (E.G., STICK, ETC.) WITH ABSORBENT MATERIAL AT END THEREOF:

This subclass is indented under the class definition. Subject matter relating to a means for mopping a surface of the body, which means includes a hand gripped element on one end of which is mounted a wad of cotton, a sponge, or like absorbent material.

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600,	Surgery, subclass 572 for means for wiping a body surface to collect material for diagnostic testing.

[List of Patents for class 604 subclass 2]

Body treating material fed to absorbent material:

This subclass is indented under subclass 1. Subject matter wherein body treating material is supplied to the absorbent material from a source.

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305,	for means supplying a body treating material to the external surface of the body from a separate feed source.

[List of Patents for class 604 subclass 3]

Means broken, cut, pierced, or torn to permit flow of material:

This subclass is indented under subclass 2. Subject matter including means on the swab which is fractured, separated by an edged instrument, punctured, or separated by having portions thereof rended apart by pulling in opposite directions for the purpose of allowing flow of body affecting treating material to the swab.

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87,	148, 200, and 306, for all other medicators or aspirators having rupturable, frangible, tearable, or pierceable means to permit material flow.

[List of Patents for class 604 subclass 4.01]

4.01

BLOOD DRAWN AND REPLACED OR TREATED AND RETURNED TO BODY:

This subclass is indented under the class definition. Subject matter relating to a means for removing blood from a person"s body and either returning the same blood, or a constituent thereof, to the body after it has been handled for some purpose, or replacing the drawn blood with new blood or constituent.

(1) Note. For a patent to be classified herein, specific detailed means for attaching the treating means to the patient must be specifically claimed, or the means must include a body sensing or monitoring means which controls the treating means. Likewise for a method to be classified herein, the procedure must include more than nominal connection of the treating means to the patient, such as by reciting specific arteries or veins to be connected or by a specific surgical connection.

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210,	Liquid Purification or Separation, subclass 321.7 for dialysis of blood.
422,	Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, subclasses 44 through 48for blood treating or transfusible devices, (e.g., oxygenators, etc.).
494,	Imperforate Bowl: Centrifugal Separators, subclasses 16 through 21for a separator of that class which includes a plurality of miniature bowls (e.g., test tubes) distributed about a rotatable carrier and readily removable therefrom; prominent in the art of the area (subclasses 16 through 21) are blood centrifuges.

[List of Patents for class 604 subclass 5.01]

5.01

Constituent removed from blood and remainder returned to body:

This subclass is indented under subclass 4.01. Subject matter wherein a portion of the blood, such as an impurity or component, is removed therefrom before the residue is returned to the body.

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210,	Liquid Purification or Separation, subclass 195.2 for a closed circulation system including semipermeable membrane, subclass 645 for process of passing biological fluid such as urine, blood etc., through septum, subclass 767 for separating of liquid-liquid or liquid-solid mixture, and subclass 782 for separating process of blood.
435,	Chemistry: Molecular Biology and Microbiology, subclass 2 for separation or treatment of blood cell.

[List of Patents for class 604 subclass 5.02]

5.02

Pathogenic component removed:

This subclass is indented under subclass 5.01. Subject matter wherein an infectious component (e.g., virus, bacteria, parasite etc.) of the blood is removed from the blood and the uninfected component is returned to the body.

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210,	Liquid Purification or Separation, subclass 764 for process of destroying microorganism in which a living organism is killed.
424,	Drug, Bio-affecting and Body Treating Compositions, appropriate subclass for biocidal composition such as bactericide, fungicide, etc.
435,	Chemistry: Molecular Biology and Microbiology, subclass 7.32 for measurement or test involving bacteria or actinomycetales.

[List of Patents for class 604 subclass 5.03]

5.03

Lipidic material removed:

This subclass is indented under subclass 5.01. Subject matter wherein the component removed from the blood is a fatlike material.

SEE OR SEARCH CLASS:

210,	Liquid Purification or Separation, subclass 651 for removing specified material by filtering through membrane.
436,	Chemistry: Analytical and Immunological Testing, subclasses 13 and 71 for a test for a lipid.

[List of Patents for class 604 subclass 5.04]

5.04

Toxic material removed:

This subclass is indented under subclass 5.01. Subject matter wherein the component removed from the blood is a harmful material (e.g., carbon monoxide, uric acid, acetone etc.).

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210,	Liquid Purification or Separation, subclass 651 for removing specified material by filtering through membrane.

[List of Patents for class 604 subclass 6.01]

6.01

Component of blood removed (i.e., pheresis):

This subclass is indented under subclass 5.01. Subject matter wherein the component removed from the blood is a blood element, per se, such as plasma, leukocytes, erythrocytes or platelets whereafter the remainder is returned to the body.

SEE OR SEARCH CLASS:

210,	Liquid Purification or Separation, subclass 782 for process of separating components of blood, and subclass 646 for hemodialysis.

[List of Patents for class 604 subclass 6.02]

6.02

Erythrocyte:

This subclass is indented under subclass 6.01. Subject matter wherein the component removed from the blood are red blood cells or corpuscles.

SEE OR SEARCH CLASS:

435,	Chemistry: Molecular Biology and Microbiology, subclass 7.25 for measuring or testing process involving erythrocyte.

[List of Patents for class 604 subclass 6.03]

6.03

Leukocyte:

This subclass is indented under subclass 6.01. Subject matter wherein the constituents removed from the blood are white blood cells or corpuscles.

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435,	Chemistry: Molecular Biology and Microbiology, subclass 7.24 for measuring or testing process involving leukocyte.

[List of Patents for class 604 subclass 6.04]

6.04

Plasma:

This subclass is indented under subclass 6.01. Subject matter wherein the component removed from the blood is the fluid portion thereof, i.e., the noncellular part of blood.

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436,	Chemistry: Analytical and Immunological Testing, subclass 16 for blood serum or blood plasma standard or control.

[List of Patents for class 604 subclass 6.05]

6.05

Single needle:

This subclass is indented under subclass 6.01. Subject matter wherein a single blood transfusion needle is used for withdrawing blood from and returning blood to the body.

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52,	for needle means through which material is introduced into or removed from blood vessel.

[List of Patents for class 604 subclass 6.06]

6.06

Arterial and venous needles:

This subclass is indented under subclass 6.01. Subject matter wherein two blood transfusion needles are used, one for withdrawing blood from and the other for returning blood to the body.

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52,	for needle means through which material is introduced into or removed from blood vessel.

6.06

Arterial and venous needles:

This subclass is indented under subclass 6.01. Subject matter wherein two blood transfusion needles are used, one for withdrawing blood from and the other for returning blood to the body.

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52,	for needle means through which material is introduced into or removed from blood vessel.

[List of Patents for class 604 subclass 6.07]

6.07

Anticoagulant added:

This subclass is indented under subclass 5.01. Subject matter wherein a substance is added to the blood to suppress the blood"s coagulation or clotting.

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269,	for anticoagulant supply means.

[List of Patents for class 604 subclass 6.08]

6.08

Infrared, visible light, ultraviolet, x-ray or electrical energy applied to blood:

This subclass is indented under subclass 5.01. Subject matter comprising an extracorporeal means for applying infrared, visible light, ultraviolet, x-ray radiation, or magnetic or electric energy to the blood.

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20,	for means for applying infrared, visible light, ultraviolet, x-ray, or electrical energy to body.

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128,	Surgery, appropriate subclass for analogous medical devices.
210,	Liquid Purification or Separation, subclass 748 for process of utilizing electrical or wave energy directly applied to liquid or material being treated.
250,	Radiant Energy, subclass 432 R for irradiating source or radiating fluent material.
606,	Surgery, subclass 2.5 for subject matter relating to removal of a calculus (e.g., stone) from the body wherein the calculus is fractured or disintegrated by use of light energy.
607,	Surgery: Light, Thermal, and Electrical Application, subclass 100 for electromagnetic radiation, and subclass 154 for high frequency radiation type.

[List of Patents for class 604 subclass 6.09]

6.09

Filter means:

This subclass is indented under subclass 5.01. Subject matter comprising passing the blood through a porous article or mass in order to separate some constituent therefrom.

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252,	for a porous article or mass through which the material passes to separate some constituent therefrom, and subclass 406 for filter or series thereof for liquid entering or leaving container.

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210,	Liquid Purification or Separation, subclass 216 for filter medium.

[List of Patents for class 604 subclass 6.1]

6.1

Valve means:

This subclass is indented under subclass 5.01. Subject matter using a means for regulating or restricting flow of blood into or out of the body.

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9,	for devices transferring fluids from within one area of body to another with flow control means, and subclass 236 for material flow controlled by valve.

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137,	Fluid Handling, subclasses 247 through 254for liquid valves.

[List of Patents for class 604 subclass 6.11]

6.11

Pumping means:

This subclass is indented under subclass 5.01. Subject matter wherein the blood is forced into or out of the body by means of a device which transfers blood from one place to another through tubes or similar conduits.

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261,	Gas and Liquid Contact Apparatus, subclass 24 for gas and liquid pumping means.
415,	Rotary Kinetic Fluid Motors or Pumps, subclass 900 for rotary blood pump.

[List of Patents for class 604 subclass 6.12]

6.12

Injector or aspirator syringe supported only by person during use:

This subclass is indented under subclass 6.11. Subject matter comprising a means for forcing blood into or aspirating blood from the body, which means is entirely supported by the body during the injection or removal of said blood.

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123,	and 187 for pump injection device.

[List of Patents for class 604 subclass 6.13]

6.13

Heating or cooling means:

This subclass is indented under subclass 5.01. Subject matter comprising a means for raising or lowering the temperature of the blood.

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113,	for means for cooling or heating the body.

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204,	Chemistry: Electrical and Wave Energy, subclass 262 for electrolytic cells provided with a heating or cooling means.

[List of Patents for class 604 subclass 6.14]

6.14

Oxygenating means:

This subclass is indented under subclass 5.01. Subject matter utilizing a means for infusing the blood with oxygen.

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422,	Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, subclass 45 for blood treating device for transfusible blood having means for extracorporeal oxygenation of blood.

[List of Patents for class 604 subclass 6.15]

6.15

Blood collection container:

This subclass is indented under subclass 4.01. Subject matter comprising a receptacle adapted for dispensing, holding or storing blood.

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403,	for container for blood or body treating material, or means used therewith.

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128,	Surgery, subclasses 760 through 771for liquid reservoirs.
588,	Hazardous or Toxic Waste Destruction or Containment, subclass 258 for storage to contain pathogenic organism.

[List of Patents for class 604 subclass 6.16]

6.16

Body inserted tubular conduit structure:

This subclass is indented under subclass 4.01. Subject matter wherein a pipelike or hollow structure is introduced into the body and utilized solely to introduce blood into or withdraw blood from the body.

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264,	for body inserted tubular conduit structure such as needles, cannulas, nozzles, trocars, catheters, etc.

7	BLOOD TRANSFERRED BETWEEN DIFFERENT BODIES ALONG CONTINUOUS FLOW PATH (E.G., TRANSFUSION, ETC.):
	This subclass is indented under the class definition. Subject matter relating to a means for drawing blood from one person"s body and introducing it into another"s body by flow along an uninterrupted flow path, such as through a conduit the ends of which are respectively inserted in blood vessels of a donor and donee.

[List of Patents for class 604 subclass 8]

DEVICES TRANSFERRING FLUIDS FROM WITHIN ONE AREA OF BODY TO ANOTHER (E.G., SHUNTS, ETC.):

This subclass is indented under the class definition. Devices relating to a means, usually a conduit, for moving or diverting fluid materials from within one area of the body to a separate area within the same body usually when the natural body apparatus for accomplishing this purpose has failed or become damaged.

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175,	for devices securing implanted conduits in or on the body.
264+,	for other body inserted conduits.

[List of Patents for class 604 subclass 9]

With flow control means (e.g., check valves, hydrocephalus pumps, etc.):

This subclass is indented under subclass 8. Subject matter including means to regulate the rate, direction, and pressure of flow within the transferring conduit.

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247,	for fluid responsive means mounted in other devices for controlling flow into or out of the body.

[List of Patents for class 604 subclass 10]

With antisiphon means:

This subclass is indented under subclass 9. Subject matter wherein vacuum breaking means is provided in the conduit to prevent surges in the conduit caused by sudden changes in a person"s body position, such as by suddenly rising to a standing position from a supine position.

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129,	for siphon devices having vacuum breaking means (e.g., vent, etc.) used to introduce or remove fluids into or out of the body.

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137,	Fluid Handling, subclass 215 for details of antisiphoning devices of general utility.

[List of Patents for class 604 subclass 11]

MEANS FOR INSERTING FIBROUS OR FORAMINOUS RESIDENT PACKING, RECEPTOR, OR MEDICAMENT CARRIER INTO BODY ORIFICE:

This subclass is indented under the class definition. Subject matter relating to a device used to place into a body opening a material which is formed of filaments or which includes numerous holes, pores, or interstices, the material serving to conform to the shape of the opening, absorb fluid therein, or bring a body treating material into contact with the wall thereof.

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358+,	for absorbent internal pads.
904,	for tampons.

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401,	Coating Implements With Material Supply, appropriate subclasses for applicators of general utility.

[List of Patents for class 604 subclass 12]

With lubricating means:

This subclass is indented under subclass 11. Subject matter wherein the insert means carrying the packing, receptors, or medicament is provided with means to ease or facilitate insertion into the body.

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172,	and 265, for surgical conduits with lubricating means.
363,	for lubricated tampons.

13	With means for ejecting continuous length insert (e.g., gauze packing):
	This subclass is indented under subclass 11. Subject matter wherein the inserting means includes means for supplying a continuous length of packing material into the insertion means.

14	Distal portion of inserting means deformed, expanded, or ruptured to permit passage of insert therefrom:
	This subclass is indented under subclass 11. Subject matter wherein the portion of the material inserting device inserted into the body opening is bent out of shape, unfolded, or burst to release the material into the opening.

15	With slidable ejector (e.g., plunger or ram, etc.) inside tubular inserting means:
	This subclass is indented under subclass 11. Subject matter wherein the means for ejecting the insert includes a plunger or piston slidably mounted inside a tubular holder.

[List of Patents for class 604 subclass 16]

Ejector moved into operating position from stored location within or alongside inserting means:

This subclass is indented under subclass 15. Subject matter wherein the plunger or ram which is initially stored in a position inside or alongside the tubular inserting means, is moved into alignment with the inserting means for ejection of the contents.

(1) Note. Patents in this subclass and the subclass indented thereunder are intended to reduce the overall length of the ejector and insert means such that the two elements together have a combined length no greater than that of a single element alone.

[List of Patents for class 604 subclass 17]

Ejector pivoted or swung into operating position:

This subclass is indented under subclass 16. Subject matter wherein the plunger or ram is turned or swiveled about an axis into alignment with the inserting means.

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233,	for piston actuator pivoted for injection syringe.

[List of Patents for class 604 subclass 18]

Tubular inserting means releasably interlocked with ejector:

This subclass is indented under subclass 15. Subject matter wherein the plunger or ram is maintained in a secured but disengageable relationship with the tubular inserting means prior to ejection of contents so that the plunger or ram will not be inadvertantly moved until ejection is desired.

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220,	for means preventing accidental displacement of piston or handheld syringe.

[List of Patents for class 604 subclass 19]

MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.):

This subclass is indented under the class definition. Subject matter including means for conducting body treating material into or out of a body or to or from the external membrane tissue surface of a body to treat said body.

(1) Note. It is to be noted that many devices will include conduits for conducting the material into or out of the body, however, some devices may be merely placed over a body opening to place material in or receive material from the body. An example of the latter form would be nose douches, wherein no tube extends into the nasal passages, but where material may be flushed into the nares and the discharge therefrom received in the device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27+,	for devices and methods for material introduction into and removal from the body through passages in the device.
48+,	for introduction into or removal from within the body of therapeutic material.
93.01+,	for devices for material introduction into or removal from within the body by means of a conduit, holder, or implanted reservoir inserted into the body.
289+,	for devices and methods for material application and/or removal from external surface of body.
500+,	for methods for material introduction into or removal from within the body.
890.1+,	which provides for a device or system comprising a reservoir and control, pump, or controllable valve means for dispensing a drug to a living body which device is implanted in the body.

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606,	Surgery, subclasses 127+ for subject matter relating to removal of a calculus (e.g., stone) from the body.

[List of Patents for class 604 subclass 20]

Infrared, visible light, ultraviolet, X-ray, or electrical energy applied to body (e.g., lontophoresis, etc.):

This subclass is indented under subclass 19. Subject matter combined with means for applying infrared, visible light, ultraviolet, X-ray, or electrical energy to body.

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128,	Surgery, appropriate subclasses for analogous medical devices.
606,	Surgery, subclass 2.5 for subject matter relating to removal of a calculus (e.g., stone) from the body wherein the calculus is fractured or disintegrated by use of light energy.

[List of Patents for class 604 subclass 21]

With tubular injection means inserted into body:

This subclass is indented under subclass 20. Subject matter including a tubular means which is placed in the body for injecting material thereinto.

(1) Note. The tubular means placed in the body includes needles, catheters, nozzles, and similar devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93.01+,

and 264+, for specific body inserted conduit structure.

[List of Patents for class 604 subclass 22]

With means for cutting, scarifying, or vibrating (e.g., ultrasonic, etc.) tissue:

This subclass is indented under subclass 19. Subject matter wherein the means for introducing or removing material is provided with means to penetrate body tissue to cut said tissue, scratch said tissue, or to move said tissue up and down quickly and repeatedly.

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46+,	for cutters and scarifiers wherein a medicament (e.g., vaccine, etc.) is coated thereon for introduction into the body by scratching the skin.

[List of Patents for class 604 subclass 23]

Gas application:

This subclass is indented under subclass 19. Subject matter for injecting a body treating material in the form of gas into the body or for the application of said gas against the body.

(1) Note. The gas application here is for other than breathing.

[List of Patents for class 604 subclass 24]

Gas mixed with other material:

This subclass is indented under subclass 23. Subject matter wherein the treating gas is mixed with another material before injection in or application onto the body.

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56,	for methods of mixing of liquids and solids.
82+,	for devices for mixing liquids and solids.

25	Ozone:
	This subclass is indented under subclass 23. Subject matter wherein the gas applied to body is ozone.

[List of Patents for class 604 subclass 26]

Gas injection into body canal or cavity:

This subclass is indented under subclass 23. Subject matter for injecting the treating gas into a body canal or cavity.

(1) Note. Canal or cavity includes blood vessels as well as other body cavities such as the pleural cavity.

[List of Patents for class 604 subclass 27]

Material introduced into and removed from body through passage in body inserted means:

This subclass is indented under subclass 19. Subject matter including a body entering means having a channel or channels formed therein for conducting a body treating material into and out of a body.

(1) Note. Obviously many devices for forcing fluid into the body (e.g., a piston type hypodermic syringe) can be used to both inject material into and draw material from the body. To be classifiable in this subclass, a patent must claim separate passages for both injecting and withdrawing material, or must claim injection and withdrawal through a single passage.

[List of Patents for class 604 subclass 28]

Method:

This subclass is indented under subclass 27. Subject matter including processes wherein the body treating material enters and leaves the body through a channel or channels in a device inserted in a body.

(1) Note. To be classifiable in this subclass, a patent must claim the process of both injection and withdrawal of fluent material.

[List of Patents for class 604 subclass 29]

Peritoneal dialysis:

This subclass is indented under subclass 27. Subject matter relating to means for conducting the body treating material into and out of the visceral containing cavity defined by the peritoneal membrane for the purpose of osmotically removing body waste materials.

SEE OR SEARCH CLASS:

210,	Liquid Purification or Separation, subclasses 321.6+ for hemodialysis apparatus.

[List of Patents for class 604 subclass 30]

Flow control:

This subclass is indented under subclass 27. Subject matter including means for varying the amount or rate of body treating material entering and leaving a body.

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65+,	for condition responsive flow control means.
236,	for material flow control means associated with hand or body supported injectors.
246+,	for means for metering or regulating flow of material to or from the body.
254,	for a float type flow control device associated with a drip meter.

[List of Patents for class 604 subclass 31]

By self-acting means or condition responsive sensor:

This subclass is indented under subclass 30. Subject matter wherein the flow of the body treating material into and out of the body is arrested by a means not requiring any action by a person or by a detector means responsive to some variable in the body or the flow control means.

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65+,	for similar devices controlling flow of a body effecting agent into or out of the body by condition responsive sensor.
245+,	for devices terminating flow into or out of the body by self-acting means.

[List of Patents for class 604 subclass 32]

Rotary valve:

This subclass is indented under subclass 30. Subject matter including a rotatable type valve for controlling the flow of the body treating material into and out of a body.

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248,	for flow control device for injecting material into or out of the body as by a rotatable valve.

[List of Patents for class 604 subclass 33]

Slide or reciprocating valve:

This subclass is indented under subclass 30. Subject matter including a longitudinally movable element whose linear movement controls flow of a body treating material into and out of a body.

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249,	for slide or reciprocating valves on metering devices for controlling flow into or out of the body.

[List of Patents for class 604 subclass 34]

Deformable occluding tube valve:

This subclass is indented under subclass 30. Subject matter including pinch type tube valves which when squeezed deformably occlude resilient passage walls to control flow of a body treating material into and out of a body.

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250,	for occluder type pinch valves for controlling flow into or out of the body.

[List of Patents for class 604 subclass 35]

With aspirating or vacuum removing means:

This subclass is indented under subclass 27. Subject matter including means to initiate the evacuation of body treating material from the body by means of suction producing mean located in the outlet channel or passage in the body inserted means.

(1) Note. For a patent to be classified in this subclass, the suction causing means must be claimed as being within the discharge passage, per se.

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128+,

for siphon devices used to remove material from a reservoir or the body.

[List of Patents for class 604 subclass 36]

Means moved by person to introduce and remove material:

This subclass is indented under subclass 27. Subject matter including means manually actuated by an operator to force the body treating material into, and draw it out of, the body.

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181+,

for structure of devices moved by person to force material into or out of body.

[List of Patents for class 604 subclass 37]

Hand-supported squeeze bulb:

This subclass is indented under subclass 36. Subject matter wherein the means is a resilient deformable handheld bulb pump which is actuable to force the body treating material into and out of the body.

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185,	212+ and 217, for other handheld squeeze bulb devices for injecting or removing material from the body.

[List of Patents for class 604 subclass 38]

Piston:

This subclass is indented under subclass 36. Subject matter wherein the means is a ram or plunger which is reciprocated back and forth to alternately force in and withdraw the body treating material to and from the body.

(1) Note. Blood "telltale" syringes are not classifiable herein since the withdrawal of material (blood) in that instance is merely for testing for the presence of said material and not for the purpose of removing it, per se.

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218+,

and 900, for piston structure of hand held injectors, including those having blood "telltale" aspirating means.

[List of Patents for class 604 subclass 39]

Structure of douche nozzle having separate ingress and egress passages therein:

This subclass is indented under subclass 27. Subject matter wherein significance is attributed to conduit means which is formed with separate channels for leading the body treating material into and conducting it from the body, the means having specific configuration or component for use in irrigating a body orifice such as the rectum or vagina.

(1) Note. A patent is classified as a original in this subclass only if it includes the recitation of structural details of a douche nozzle as part of the claimed subject matter.

SEE OR SEARCH THIS CLASS, SUBCLASS: