US3827436A - Multipurpose cryosurgical probe - Google Patents
Multipurpose cryosurgical probe Download PDFInfo
- Publication number
- US3827436A US3827436A US00305359A US30535972A US3827436A US 3827436 A US3827436 A US 3827436A US 00305359 A US00305359 A US 00305359A US 30535972 A US30535972 A US 30535972A US 3827436 A US3827436 A US 3827436A
- Authority
- US
- United States
- Prior art keywords
- probe
- tip
- cryosurgical
- multipurpose
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00089—Thermal conductivity
- A61B2018/00101—Thermal conductivity low, i.e. thermally insulating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/02—Gas cycle refrigeration machines using the Joule-Thompson effect
- F25B2309/021—Gas cycle refrigeration machines using the Joule-Thompson effect with a cryosurgical probe tip having a specific construction
Definitions
- the invention pertains to the field of cryosurgery. More particularly, it pertains to cryosurgical apparatus which may be selectively cooled for applicationto body tissue.
- Cryosurgical devices are well known and widely used, both for manipulation and destruction of body tissue.
- Examples of the former are probes which are caused to adhere to, and assist in the removal of, a cataractous lens from the eye.
- Examples of the latter are probes which are utilized to necrose diseased tissue of many different types such as, for example, skin cancers and blemishes, cervicitis, and adenoidal and tonsil tissue.
- Cryosurgical probes may be refrigerated by any of several means. Originally, they were often cooled by immersing them in, or filling them with, suitable refrigerants, such as liquid nitrogen or dry ice. More recent probes, however, are hollow and are cooled either by a low boiling refrigerant, such as dichlorodifluoromethane (Freon-12) which is allowed to boil within the tip, or by expansion of a gas, such as CO or N 0, which cools by means of the Joule-Thomson effect. These refrigerants are usually valved in such a manner that the probe may be selectively cooled or warmed by the surgeon.
- suitable refrigerants such as liquid nitrogen or dry ice.
- suitable refrigerants such as liquid nitrogen or dry ice.
- More recent probes are hollow and are cooled either by a low boiling refrigerant, such as dichlorodifluoromethane (Freon-12) which is allowed to boil within the tip, or by expansion of a gas
- cryosurgical probes are available with applicator tips of many different sizes and shapes, depending upon the type of tissue to be treated, its size, and its position in the body. While the availability of many types of probe tips is a convenience to the surgeon, it also makes it necessary for the surgeon or hospital to purchase and maintain a relatively large inventory. Accordingly, it is a primary object of the present invention to provide a cryosurgical probe having a single, multipurpose tip. Other objects, features, and advantages will become apparent from the following description and appended claims.
- a probe for a cryosurgical apparatus which includes an applicator tip of heat conductive material having a plurality of surfaces, each adapted to engage body tissue to be treated.
- a plurality of insulating sleeves are provided which are selectively positionable over the tip. Each of the sleeves defines an opening that is positioned to expose a different one of the surfaces.
- FIG. 1 is a perspective view of a probe tip constructed in accordance with the present invention
- FIG. 2 is a cross section on an enlarged scale taken along the plane 2-2 of FIG. 1;
- FIG. 8 is a view of the probe tip of the invention with a third insulating sleeve.
- FIGS. 14 of the drawings there is illustrated a probe in accordance with the present invention. It comprises a tube 10 which would normally be mounted at one end on a suitable handpiece (not shown). On its other end is mounted a hollow applicator tip 12 of a suitably heat conductive material, such as copper.
- cooling is achieved by the Joule-Thompson effect by means of a high pressure gas expanding from the tip of a delivery tube 14. After expansion and cooling of the gas within the cavity 16 of tip 12, the exhaust gas is returned through tube 10 and vented.
- the tip 12 includes a neck 18 mounted in the end of tube 10 where it is secured by a suitable weld or other means forming a strong gas-tight seal.
- the particular tip which is illustrated is designed for use in the mouth and has three separate surfaces, each of a different shape and position.
- An upper cylindrical surface 20 is designed for use on tumors and lesions in the mouth.
- a lower conical surface 22 is for use on lingual tonsils, nd an inclined planar end surface 24 is for use on palatine tonsils, adenoids, and the posterior walls of the mouth.
- the upper surface 20 is the outer surface of one inch diameter stock turned to 0.995 inch diameter. Its overall length from the end of tube 10 is 0.950 inch.
- the end surface 24 makes an angle of 50 to the horizontal, as viewed in FIG. 2.
- the lower surface 22 forms an angle of 20 to the horizontal, also as viewed in FIG. 2.
- the neck 18 is 0.350 inch in diameter.
- FIG. 5 One such sleeve 26 is illustrated in FIG. 5. It includes a split shank 28 for engaging the end of tube 10, a conical wall 30 conforming to surface 22, and an end wall 32 conforming to surface 24. When positioned on tip 12, as shown in FIG. 6, it exposes only the upper cylindrical surface 20 and protects healthy tissue from engagement with the other surfaces of the tip.
- FIG. 7 illustrates a somewhat similar sleeve which exposes only the surface 22
- FIG. 8 discloses a third sleeve which exposes only the surface 24. It has been found that the normal resiliency of the sleeves, coupled with the freezing action of the applicator tip 12, holds them securely in position and negates any requirement for additional fastening means.
- a probe for a cryosurgical apparatus which comprises: an applicator tip of heat conductive material having thereon a plurality of surfaces of different geometrical contours, each surface being adapted to engage body tissue to be treated; and an insulating sleeve removably positioned over said tip, said sleeve defining an opening positioned to expose only one of said sursaid substantially planar surface.
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US00305359A US3827436A (en) | 1972-11-10 | 1972-11-10 | Multipurpose cryosurgical probe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00305359A US3827436A (en) | 1972-11-10 | 1972-11-10 | Multipurpose cryosurgical probe |
Publications (1)
Publication Number | Publication Date |
---|---|
US3827436A true US3827436A (en) | 1974-08-06 |
Family
ID=23180471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00305359A Expired - Lifetime US3827436A (en) | 1972-11-10 | 1972-11-10 | Multipurpose cryosurgical probe |
Country Status (1)
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US (1) | US3827436A (en) |
Cited By (114)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787385A (en) * | 1985-05-14 | 1988-11-29 | Joseph Pfistershammer | Method and apparatus for freeze branding and dehorning |
GB2244922A (en) * | 1990-06-01 | 1991-12-18 | Cryogenic Instr & Equipment Li | Cryogenic device |
US5200170A (en) * | 1989-07-18 | 1993-04-06 | Mcdow Ronald A | Medical process--use of dichlorodifluoromethane (CCl2 F2) and chlorodifluoromethane (CHClF2) as cryogens for treating skin lesions |
WO1995030380A2 (en) * | 1994-05-10 | 1995-11-16 | Spembly Medical Limited | Cryosurgical instrument |
US5735845A (en) * | 1995-01-17 | 1998-04-07 | Uros Corporation | Method of treating the prostate using cryosurgery |
WO1998041157A1 (en) * | 1997-03-17 | 1998-09-24 | Boris Rubinsky | Freezing method for controlled removal of fatty tissue by liposuction |
US6161543A (en) * | 1993-02-22 | 2000-12-19 | Epicor, Inc. | Methods of epicardial ablation for creating a lesion around the pulmonary veins |
US6182666B1 (en) | 1996-12-26 | 2001-02-06 | Cryogen, Inc. | Cryosurgical probe and method for uterine ablation |
US6241722B1 (en) | 1998-06-17 | 2001-06-05 | Cryogen, Inc. | Cryogenic device, system and method of using same |
US6270494B1 (en) | 1996-12-26 | 2001-08-07 | Cryogen, Inc. | Stretchable cryoprobe sheath |
US6468297B1 (en) * | 1999-02-24 | 2002-10-22 | Cryovascular Systems, Inc. | Cryogenically enhanced intravascular interventions |
US6530234B1 (en) | 1995-10-12 | 2003-03-11 | Cryogen, Inc. | Precooling system for Joule-Thomson probe |
US20050251120A1 (en) * | 2002-03-15 | 2005-11-10 | Anderson Richard R | Methods and devices for detection and control of selective disruption of fatty tissue during controlled cooling |
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US7099717B2 (en) | 2002-01-03 | 2006-08-29 | Afx Inc. | Catheter having improved steering |
US7118566B2 (en) | 2002-05-16 | 2006-10-10 | Medtronic, Inc. | Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue |
US7128740B2 (en) | 1996-05-03 | 2006-10-31 | Jacobs Clemens J | Method for interrupting conduction paths within the heart |
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US7166105B2 (en) | 1995-02-22 | 2007-01-23 | Medtronic, Inc. | Pen-type electrosurgical instrument |
US7169144B2 (en) | 1998-07-07 | 2007-01-30 | Medtronic, Inc. | Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue |
US7192427B2 (en) | 2002-02-19 | 2007-03-20 | Afx, Inc. | Apparatus and method for assessing transmurality of a tissue ablation |
US7226446B1 (en) | 1999-05-04 | 2007-06-05 | Dinesh Mody | Surgical microwave ablation assembly |
US7250048B2 (en) | 2001-04-26 | 2007-07-31 | Medtronic, Inc. | Ablation system and method of use |
US7294143B2 (en) | 2002-05-16 | 2007-11-13 | Medtronic, Inc. | Device and method for ablation of cardiac tissue |
US7303560B2 (en) | 2000-12-29 | 2007-12-04 | Afx, Inc. | Method of positioning a medical instrument |
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US20080119838A1 (en) * | 2006-11-17 | 2008-05-22 | Vancelette David W | Disposable Sheath with Replaceable Console Probes for Cryosurgery |
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US7470272B2 (en) | 1997-07-18 | 2008-12-30 | Medtronic, Inc. | Device and method for ablating tissue |
US7497857B2 (en) | 2003-04-29 | 2009-03-03 | Medtronic, Inc. | Endocardial dispersive electrode for use with a monopolar RF ablation pen |
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US20090126910A1 (en) * | 2007-11-19 | 2009-05-21 | International Businiess Machines Corporation | Apparatus and method for facilitating servicing of a liquid-cooled electronics rack |
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US7615015B2 (en) | 2000-01-19 | 2009-11-10 | Medtronic, Inc. | Focused ultrasound ablation devices having selectively actuatable emitting elements and methods of using the same |
US7628780B2 (en) | 2001-01-13 | 2009-12-08 | Medtronic, Inc. | Devices and methods for interstitial injection of biologic agents into tissue |
US7678108B2 (en) | 2004-06-02 | 2010-03-16 | Medtronic, Inc. | Loop ablation apparatus and method |
US7706894B2 (en) | 2000-10-10 | 2010-04-27 | Medtronic, Inc. | Heart wall ablation/mapping catheter and method |
US7706882B2 (en) | 2000-01-19 | 2010-04-27 | Medtronic, Inc. | Methods of using high intensity focused ultrasound to form an ablated tissue area |
US20100145361A1 (en) * | 2004-06-18 | 2010-06-10 | Francischelli David E | Methods and Devices for Occlusion of an Atrial Appendage |
US7740623B2 (en) | 2001-01-13 | 2010-06-22 | Medtronic, Inc. | Devices and methods for interstitial injection of biologic agents into tissue |
US7744562B2 (en) | 2003-01-14 | 2010-06-29 | Medtronics, Inc. | Devices and methods for interstitial injection of biologic agents into tissue |
US7758580B2 (en) | 2004-06-02 | 2010-07-20 | Medtronic, Inc. | Compound bipolar ablation device and method |
US7758576B2 (en) | 2004-06-02 | 2010-07-20 | Medtronic, Inc. | Clamping ablation tool and method |
US7818039B2 (en) | 2000-04-27 | 2010-10-19 | Medtronic, Inc. | Suction stabilized epicardial ablation devices |
US7824399B2 (en) | 2001-04-26 | 2010-11-02 | Medtronic, Inc. | Ablation system and method of use |
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Cited By (188)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787385A (en) * | 1985-05-14 | 1988-11-29 | Joseph Pfistershammer | Method and apparatus for freeze branding and dehorning |
US5200170A (en) * | 1989-07-18 | 1993-04-06 | Mcdow Ronald A | Medical process--use of dichlorodifluoromethane (CCl2 F2) and chlorodifluoromethane (CHClF2) as cryogens for treating skin lesions |
GB2244922A (en) * | 1990-06-01 | 1991-12-18 | Cryogenic Instr & Equipment Li | Cryogenic device |
US6161543A (en) * | 1993-02-22 | 2000-12-19 | Epicor, Inc. | Methods of epicardial ablation for creating a lesion around the pulmonary veins |
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