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8109894 |
Indwelling heat exchange catheter and method of using same
A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its...
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8105264 |
Indwelling heat exchange catheter and method of using same
A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its...
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8105262 |
Indwelling heat exchange catheter and method of using same
A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its...
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8105263 |
Indwelling heat exchange catheter and method of using same
A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its...
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8092448 |
Cryosurgical system with low pressure cryogenic fluid supply
A liquid cryogen fluid system for providing cryogenic liquid to a cryoprobe in a cryosurgical system for treating fibroadenomas and other lesions in the body. The system includes a cryoprobe to...
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RE43007 |
Cooling system
A cryogenic medical system includes a medical device and a console connectable to the medical device at a connection point. The console controls the temperature of the medical device. The console...
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8066698 |
Cryosurgery device
A cryosurgery device includes an aerosol container holding a liquid refrigerant and having a valve and a stem extending out therefrom; an actuator seated on the stem and including an outlet tube...
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7938822 |
Heating and cooling of cryosurgical instrument using a single cryogen
A cryosurgical system featuring both cooling and heating utilizing a single type of cryogen but from two different sources. The liquid cryogen cools the tip of a cryosurgical instrument in the...
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7862558 |
Subdermal cryogenic remodeling of muscles, nerves, connective tissue, and/or adipose tissue (fat)
Devices, systems, and methods treat cosmetic defects, and often apply cooling with at least one tissue-penetrating probe inserted through of the skin of a patient. The cooling may remodel one or...
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7857781 |
Indwelling heat exchange catheter and method of using same
A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its...
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7850683 |
Subdermal cryogenic remodeling of muscles, nerves, connective tissue, and/or adipose tissue (fat)
Devices, systems, and methods treat cosmetic defects, and often apply cooling with at least one tissue-penetrating probe inserted through of the skin of a patient. The cooling may remodel one or...
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7758571 |
Methods and apparatus for cryo-therapy
Methods and apparatus for cryo-therapy are disclosed herein. This includes a hollow guidewire disposed within a catheter having helical loops contacting tissue. A coolant delivery tube disposed...
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7604632 |
Cryosurgery device
A cryosurgery device includes an aerosol container holding a liquid refrigerant and having a valve and a stem extending out therefrom; an actuator seated on the stem and including an outlet tube...
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RE40049 |
Precooled cryogenic ablation system
A method and apparatus for using a secondary refrigerant to precool and liquefy a primary refrigerant, then vaporizing and expanding the primary refrigerant to cool a cold tip of a cryosurgical...
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7235073 |
Cooled electrosurgical forceps
Bipolar electrosurgical forceps includes a first electrode attached to a first heat pipe and a second electrode attached to a second heat pipe. The heat pipe can be removably attached to the...
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7192426 |
Cryogenic system
A cryosurgical system and method for supplying cryogen to a probe. The system including a container filled with cryogen and having bellows of a pump submerged within said cryogen. Conduits fluidly...
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7041108 |
Grasper mechanism with biased fixed flexure elements
An expansible and retractable mechanism of the type disclosed in U.S. Pat. No. 5,924,175 and/or a medical grasper of the type disclosed in U.S. Pat. No. 5,906,622 in which (1) the fixed flexure...
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6981382 |
Distal end for cryoablation catheters
A system and method for transferring heat requires a supply tube connected in fluid communication with a capillary tube. A tip member is positioned to surround the distal end of the capillary tube...
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6620172 |
Entraining biological calculi
A medical device for entraining biological stones during medical procedures for the fragmentation of urinary, biliary, pancreatic, and other biological calculi and safely removing them from the...
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6485484 |
Hair removal device
A hair removal device (22) includes a cooling surface (34) which is used to contact the skin (6) prior to exposure to hair tissue-damaging laser light (74) passing from a radiation source (36)...
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6436094 |
Electromagnetic and laser treatment and cooling device
An apparatus for lowering the temperature of skin on a patient during treatment applying electromagnetic energy to the skin comprising a window of a first thermally conductive material through...
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6387090 |
Methods and apparatus for cooling surfaces
In methods and apparatus for cooling surfaces, a pressurized liquid refrigerant is dispensed through a shaped member composed of an open celled foam. The method is particularly useful for localized...
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6270494 |
Stretchable cryoprobe sheath
A sheath for use on a closed loop Joule-Thomson cryosurgical probe, and the combination of the sheath and the closed loop probe. The sheath is slipped over the probe, thereby separating the probe...
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6036686 |
Cryosurgical instrument with grip
A hand-held cryosurgical instrument is provided with an insulating, cold-resistive, non-slip grip, which fits onto the neck of a cryosurgical instrument by means of machined threads. The grip has a...
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5992158 |
Cryosurgical instrument
A cryosurgical instrument comprises a cooling tip operable to be cooled by a flow of a cryogenic fluid within the tip; and a fluid transfer chamber having a fluid inlet for receiving cryogenic...
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5833685 |
Cryosurgical technique and devices
Devices and method for freezing of tissues. Devices comprise a cryosurgical probe that can be very slim with diameter up to a fraction of a millimeter for very focal freezing application, and an...
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5738682 |
Apparatus for cooling surfaces
In methods and apparatus for cooling surfaces, a pressurized liquid refrigerant is dispensed through a shaped member composed of an open celled foam. The method is particularly useful for localized...
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5667505 |
Method of carrying out cryosurgical interventions and device for this method
A method of carrying out cryosurgical interventions includes cooling biological tissue at a rate of at least 180 K/min to a temperature of -190° C. to -160° C., subsequently rewarming the b...
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5591162 |
Treatment method using a micro heat pipe catheter
A catheter that provides precise temperature control for treating diseased tissue. The catheter may use a variety of passive heat pipe structures alone or in combination with feedback devices. The...
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5578029 |
Method of treating veins
A method is disclosed for treating veins. In the subject method, the skin is pierced with the sharpened tip of a fiber optic probe. The probe is advanced to a location underneath the vessel to be...
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5452582 |
Cryo-probe
In the cryo-probe, refrigerant is furnished from a high pressure, room temperature supply. Insulation of the refrigerant lines is unnecessary. Refrigerant flows through a pre-cooling heat exchanger...
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5417686 |
Temperature control mechanisms for a micro heat pipe catheter
A catheter that provides precise temperature control is disclosed herein. The catheter may use a variety of passive heat pipe structures alone or in combination with feedback devices. The catheter...
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5405350 |
Freeze branding apparatus with swivel handle
An apparatus for applying a freeze brand to the hide of an animal. The apparatus includes a source of cryogenic fluid (e.g., liquid nitrogen), a canister having an inlet and an outlet for cryogenic...
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5281215 |
Cryogenic catheter
The invention provides a catheter for ice mapping and ablation and a method of ablation using the catheter. The catheter includes at least two lumens for circulating a refrigerating fluid adjacent...
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5211646 |
Cryogenic scalpel
A cryogenic scalpel comprises a hollow housing, a pressure source, a working portion connected to the hollow housing and having a heat-exchanger communicating with the pressure source through a...
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5190880 |
Tube known as straw, for cryogenically preserving biological samples
The tube, known as a straw, according to the invention, is conventional in its form, and is constituted by a rectilinear length of transparent tubular envelope. In the vicinity of a first end, the...
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5190539 |
Micro-heat-pipe catheter
A micro-heat-pipe catheter provides a hyperthermia or hypothermia source for the treatment of cancerous tumors or other diseased tissue. The heat-pipe is about the size of a hypodermic needle and...
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4841970 |
Cryogenic rectal insert
A cryogenic proctologic insert for treating hemorrhoids by lowering the surface temperature of the affected portion of the rectal canal. The insert is formed of a tubular plastic portion filled...
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4787385 |
Method and apparatus for freeze branding and dehorning
In one form the invention resides in a freeze branding and/or dehorning apparatus for use with a dispenser having a nozzle for dispensing a cooling medium, said apparatus comprising a contact...
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4770171 |
Cryogenic surgical tool
A cryogenic surgical tool (10) is provided to contact and freeze predetermined areas of tissue. The cryogenic surgical tool (10) consists of a low thermal conductivity handle (12) which is...
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4602628 |
Cryogenic extractor and filler
A cryogenic extractor having a self-contained filler, and a tip activated by slanting the tip down. A cryogenic extractor has a foward chamber having a rod to be cooled, the rod extending adjacent...
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4162677 |
Cryogenic device and method for necrotizing and shaving live tissue
A hand-held cryogenic device for and method of necrotizing and shaving live tissue having a chamber chargeable with liquid cryogen. One heat conductive wall of the chamber is adapted to be flooded...
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4074717 |
Cryogenic probe
A cryogenic probe is disclosed comprising a barrel having a plunger mechanism movably mounted therein and having a valve on the lower end thereof. The valve normally closes the lower end of the...
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4022214 |
Method of treating substances in an ambient environment with a cryogenic material
A method of treating substances in an ambient environment with a cryogenic material is disclosed comprising a barrel having a plunger mechanism movably mounted therein and having a valve on the...
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3993075 |
Disposable, defrostable cryosurgical probe
A small, disposable cryosurgical probe having a self-contained liquid refrigerant supply can be operated in either a freeze mode or a defrost mode. During the freeze mode the refrigerant is...
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3951152 |
Cryosurgical probe
A small, self-contained, disposable cryosurgical probe has a pencil-like housing with a refrigerant-containing cartridge in the housing and a hollow tip projecting from the housing. A small...
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3933156 |
Cooling apparatus particularly for medical-surgical use
Refrigerating apparatus for medical use including a probe comprising two concentric tubes through the inner tube of which, in use of the apparatus, a refrigerant is forced so as to expand into the...
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3929136 |
Apparatus for low-temperature surgery
An apparatus for use in low-temperature surgery comprising surgical instrument means, heat pipe means connected to said instrument means and functioning as a handle, and low temperature cell means...
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3901241 |
Disposable cryosurgical instrument
A cryosurgical instrument for use in a variety of surgical procedures is provided with a different tip or probe, depending upon the surgical technique contemplated. The instrument has a conical and...
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3830239 |
CRYOSURGICAL DEVICE
A cryosurgical instrument having a thermally insulating housing containing a cartridge partially filled with a low boiling temperature liquefied refrigerant, such as "Freon" (a mark of DuPont). The...
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