USRE35755E - Method for inducing thrombosis in blood vessels - Google Patents

Method for inducing thrombosis in blood vessels Download PDF

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Publication number
USRE35755E
USRE35755E US08/120,212 US12021293A USRE35755E US RE35755 E USRE35755 E US RE35755E US 12021293 A US12021293 A US 12021293A US RE35755 E USRE35755 E US RE35755E
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United States
Prior art keywords
fluid
balloon
iaddend
iadd
tube
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
Application number
US08/120,212
Inventor
Quinghua Qian
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Boston Scientific Scimed Inc
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Scimed Life Systems Inc
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Priority to US08/120,212 priority Critical patent/USRE35755E/en
Assigned to SCIMED LIFE SYSTEMS, INC. reassignment SCIMED LIFE SYSTEMS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WILLY RUSCH, AG
Priority to US08/785,445 priority patent/USRE39200E1/en
Application granted granted Critical
Publication of USRE35755E publication Critical patent/USRE35755E/en
Assigned to BOSTON SCIENTIFIC SCIMED, INC. reassignment BOSTON SCIENTIFIC SCIMED, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SCIMED LIFE SYSTEMS, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0475—Tracheal tubes having openings in the tube
    • A61M16/0477—Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids
    • A61M16/0481—Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids through the cuff wall
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • 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
    • A61B2018/00065—Material properties porous
    • 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
    • A61B2018/00184—Moving parts
    • A61B2018/00196—Moving parts reciprocating lengthwise
    • 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
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • 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
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A61B2018/0022—Balloons
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00482—Digestive system
    • A61B2018/00488—Esophagus
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00482—Digestive system
    • A61B2018/00494—Stomach, intestines or bowel

Definitions

  • This invention relates to methods employing balloon tubes in medical practice. More particularly, the invention concerns a method of using a balloon tube for inducing thrombosis in blood vessels located directly under the surface of a cavity in the body which is difficult to reach.
  • Balloon tubes are known from T. V. Taylor and J. M. M. Neilson's article “Currents and Clots”--an approach to the problem of acute variceal bleeding". Br. J. Surg. Vol. 68 (1981) 692-696. It is known how to stop bleeding of vessels located directly under the surface of a difficult to reach body cavity, through thrombosis by introducing a deflated balloon tube into the body cavity and then inflating it by applying a fluid at the correct position.
  • the balloon tube from the previous proposal is furnished with electrodes on its outer surface. These electrodes are supplied with a voltage across an electrically conductive wire. An electrode, possibly placed on the patient's back, can serve as an oppositely charged electrode. The electric current which arises through the application of voltage between the two electrodes induces thrombosis and therefore acts to stop the bleeding of the vessels.
  • Such thrombosis in bleeding vessels is indicated especially for oesophageal varices but could also be involved in bleeding in other body cavities.
  • the balloon tube which is known from the above-named article has not been able to assert itself in practice, since the resistance between the electrode and the surface of the body cavity is not defined.
  • the aim of the invention is to further develop the balloon tube as it is already known, so that it suffices for the demands of practical use.
  • the fluid which serves to inflate the balloon is capable of carrying an electric current and the membrane wall of the balloon is semi-permeable for the fluid.
  • the wire which is to be led through the tube, should preferably be made of platinum.
  • Normal saline solution can be used as the fluid.
  • Other electrically conductive fluids, such as electrode gel, can be used.
  • the fluid can also serve as a conductor of medication.
  • FIG. 1 shows a cross-section through the balloon tube, whereby the upper part of the tube has been cut off and
  • FIG. 2 shows a cross-section along the line II--II from FIG. 1.
  • the balloon tube which has been used corresponds in its appearance at first glance to a normal Sengstaken-Tube. It consists of a tube 10 and a balloon 12 located near the end of tube 10. Tube 10 is furnished with openings 14 in the area in which the tube 10 is led through balloon 12, A conductive wire 16 is led through tube 10.
  • the conductive wire is made from platinum.
  • the balloon tube is introduced into the oesophagus, whereby balloon 12 is deflated.
  • a conductive fluid for example, normal saline solution, is introduced into the tube 10.
  • the fluid enters balloon 12 through the openings 14 in tube 10 and fills it.
  • the balloon membrane walls 18 are of a semipermeable nature. Therefore, a small amount of the conducting fluid flows through the balloon walls 18.
  • the balloon wall 18 offers no significant electrical resistance.
  • a counter electrode 20 with a large surface area is applied to the chest area of the patient in the case of thrombosis of oesophageal varices.
  • the special wire 16 is not absolutely necessary, but rather the conductive fluid found in the tube also can be used as an electric conductor. Tube 10 is not semi-permeable and therefore offers considerable electric resistance.
  • a substance such as electrode gel for example, also can be used as a conducting fluid.
  • the balloon tube suggested here can further be used for example for the treatment of post-operative rebleedings after urethra operations or by lower intestinal bleedings or also by nasopharyngeal bleedings.
  • a further method is to add medicaments to the conducting fluid which induce blood-stanching over an iontophoretic tissue diffusion.

Abstract

Method of employing a balloon tube for creating a thrombosis of vessels located directly under the surface of a body cavity which is difficult to reach, through the initiation of an electric current between the balloon which is deflated as introduced into the body cavity and which is inflated by introducing a fluid on the spot and an outside electrode. The fluid which is used to inflate the balloon is electrically conductive and the balloon wall is semi-permeable for the fluid.

Description

Application Ser. No. 08/120,212, filed Sep. 10, 1993, and application Ser. No. 08/785,445, filed Jan. 17, 1997, are copending applications which are each reissues of application Ser. No. 07/518,163, filed Oct. 22, 1991, now U.S. Pat. No. 5,047,028..Iaddend.
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to methods employing balloon tubes in medical practice. More particularly, the invention concerns a method of using a balloon tube for inducing thrombosis in blood vessels located directly under the surface of a cavity in the body which is difficult to reach.
2. Description of the Prior Art
Balloon tubes are known from T. V. Taylor and J. M. M. Neilson's article "Currents and Clots"--an approach to the problem of acute variceal bleeding". Br. J. Surg. Vol. 68 (1981) 692-696. It is known how to stop bleeding of vessels located directly under the surface of a difficult to reach body cavity, through thrombosis by introducing a deflated balloon tube into the body cavity and then inflating it by applying a fluid at the correct position. The balloon tube from the previous proposal is furnished with electrodes on its outer surface. These electrodes are supplied with a voltage across an electrically conductive wire. An electrode, possibly placed on the patient's back, can serve as an oppositely charged electrode. The electric current which arises through the application of voltage between the two electrodes induces thrombosis and therefore acts to stop the bleeding of the vessels.
Such thrombosis in bleeding vessels is indicated especially for oesophageal varices but could also be involved in bleeding in other body cavities.
The balloon tube which is known from the above-named article has not been able to assert itself in practice, since the resistance between the electrode and the surface of the body cavity is not defined.
SUMMARY OF THE INVENTION
The aim of the invention is to further develop the balloon tube as it is already known, so that it suffices for the demands of practical use.
Through this invention this problem can be solved by the fact that the fluid which serves to inflate the balloon is capable of carrying an electric current and the membrane wall of the balloon is semi-permeable for the fluid.
The wire, which is to be led through the tube, should preferably be made of platinum.
Normal saline solution can be used as the fluid. Other electrically conductive fluids, such as electrode gel, can be used. The fluid can also serve as a conductor of medication.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is explained by the following description and drawings in which:
FIG. 1 shows a cross-section through the balloon tube, whereby the upper part of the tube has been cut off and
FIG. 2 shows a cross-section along the line II--II from FIG. 1.
DETAILED DESCRIPTION OF THE INVENTION
Throughout the following detailed description, the same reference numerals refer to the same elements in all figures.
The balloon tube which has been used corresponds in its appearance at first glance to a normal Sengstaken-Tube. It consists of a tube 10 and a balloon 12 located near the end of tube 10. Tube 10 is furnished with openings 14 in the area in which the tube 10 is led through balloon 12, A conductive wire 16 is led through tube 10. Preferably, the conductive wire is made from platinum.
As an example, to stop bleedings of the oesophageal varices, the balloon tube is introduced into the oesophagus, whereby balloon 12 is deflated. When the desired place has been reached, a conductive fluid, for example, normal saline solution, is introduced into the tube 10. The fluid enters balloon 12 through the openings 14 in tube 10 and fills it. The balloon membrane walls 18 are of a semipermeable nature. Therefore, a small amount of the conducting fluid flows through the balloon walls 18. The balloon wall 18 offers no significant electrical resistance.
A counter electrode 20 with a large surface area is applied to the chest area of the patient in the case of thrombosis of oesophageal varices.
By applying a source of voltage between the platinum wire 16 and the counter electrode 20 with opposite charge, a current arises between these two which induces the desired thrombosis through the choice of a suitable voltage difference between them.
The special wire 16 is not absolutely necessary, but rather the conductive fluid found in the tube also can be used as an electric conductor. Tube 10 is not semi-permeable and therefore offers considerable electric resistance.
Instead of a normal saline solution, a substance such as electrode gel, for example, also can be used as a conducting fluid.
The balloon tube suggested here can further be used for example for the treatment of post-operative rebleedings after urethra operations or by lower intestinal bleedings or also by nasopharyngeal bleedings.
A further method is to add medicaments to the conducting fluid which induce blood-stanching over an iontophoretic tissue diffusion.

Claims (15)

I claim:
1. Method for creating a thrombosis in a blood vessel located directly under the surface of a body cavity which is difficult to reach comprising
inserting a deflated balloon containing a cylindrical tube into the body cavity, the tube having openings to the balloon,
inflating the balloon by introducing an electrically conductive fluid into the tube, the balloon having an exterior wall semi-permeable to the fluid, contacting a conductive wire to the conductive fluid to provide a connection to an electrode outside the body and initiating an electric current between the balloon and the electrode located outside the body cavity.
2. The method according to claim 1 wherein a wire is inserted through the cylindrical tube and is connected to the electrode located outside the body cavity.
3. The method according to claim 2 wherein the wire inserted is made of platinum.
4. The method according to claim 3 wherein the fluid introduced is normal saline solution.
5. The method according to claim 2 wherein the fluid introduced is normal saline solution.
6. The method according to claim 1 wherein the fluid introduced is normal saline solution.
7. The method according to claim 6, the method further comprising a step of adding a medicament to the fluid.
8. The method according to claim 1, the method further comprising a step of adding a medicament to the fluid.
9. An apparatus for inducing thrombosis in hard to reach blood vessels within a living body comprising
a cylindrical tube having multiple lateral passageways,
an electrically conductive fluid located within the tube,
a balloon having a membrane wall semipermeable to the fluid surrounding a portion of the cylindrical tube containing the passageways,
a counter electrode adapted to be located outside the body and
an electrically conductive wire electrically connecting the fluid and the electrode.
10. An apparatus according to claim 9 wherein the fluid is normal saline solution.
11. An apparatus according to claim 9 wherein the wire is made of platinum and the fluid is normal saline solution.
12. An apparatus according to claim 11 wherein a medicament is present in the fluid.
13. An apparatus according to claim 9 wherein a medicament is present in the fluid. .Iadd.
14. An apparatus for intravascular use within a living body comprising:
a cylindrical tube having multiple lateral passageways,
an electrically conductive fluid located within the tube,
a balloon having a membrane wall semipermeable to the fluid surrounding a portion of the cylindrical tube containing the passageways, and
a counter electrode adapted to be located outside the body and electrically connected to the fluid..Iaddend..Iadd.15. An apparatus according to claim 14 wherein the fluid is normal saline solution..Iaddend..Iadd.16. An apparatus according to claim 14 wherein a medicament is present in the fluid..Iaddend..Iadd.17. The method according to claim 14 wherein the conductive fluid comprises electrode gel..Iaddend..Iadd.18. Method for treating a blood vessel comprising the steps of:
inserting a deflated balloon containing a cylindrical tube into the blood vessel, the tube having openings to the balloon,
inflating the balloon by introducing an electrically conductive fluid into the tube, the balloon having an exterior wall semi-permeable to the fluid, electrically connecting the fluid to an electrode located outside the blood vessel; and initiating an electric current between the balloon and
the electrode located outside the blood vessel..Iaddend..Iadd.19. The method according to claim 18 wherein a wire is inserted through the cylindrical tube and is connected to the electrode located outside the blood vessel..Iaddend..Iadd.20. The method according to claim 19 wherein the fluid introduced is normal saline solution..Iaddend..Iadd.21. The method according to claim 18 wherein the fluid introduced is normal saline solution..Iaddend..Iadd.22. The method according to claim 21 further comprising the step of adding a medicament to the fluid..Iaddend..Iadd.23. The method according to claim 18 further comprising the step of adding a medicament to the fluid..Iaddend..Iadd.24. The apparatus according to claim 18 wherein the conductive fluid comprises electrode gel..Iaddend.
US08/120,212 1989-05-12 1993-09-10 Method for inducing thrombosis in blood vessels Expired - Lifetime USRE35755E (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/120,212 USRE35755E (en) 1989-05-12 1993-09-10 Method for inducing thrombosis in blood vessels
US08/785,445 USRE39200E1 (en) 1989-05-12 1997-01-17 Apparatus for treating a blood vessel

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3915636 1989-05-12
DE3915636A DE3915636C1 (en) 1989-05-12 1989-05-12
US07/518,163 US5047028A (en) 1989-05-12 1990-05-03 Method for inducing thrombosis in blood vessels
US08/120,212 USRE35755E (en) 1989-05-12 1993-09-10 Method for inducing thrombosis in blood vessels

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US07/518,163 Reissue US5047028A (en) 1989-05-12 1990-05-03 Method for inducing thrombosis in blood vessels

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US07/518,163 Continuation US5047028A (en) 1989-05-12 1990-05-03 Method for inducing thrombosis in blood vessels

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USRE35755E true USRE35755E (en) 1998-03-24

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US07/518,163 Ceased US5047028A (en) 1989-05-12 1990-05-03 Method for inducing thrombosis in blood vessels
US08/120,212 Expired - Lifetime USRE35755E (en) 1989-05-12 1993-09-10 Method for inducing thrombosis in blood vessels
US08/785,445 Expired - Lifetime USRE39200E1 (en) 1989-05-12 1997-01-17 Apparatus for treating a blood vessel

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Application Number Title Priority Date Filing Date
US07/518,163 Ceased US5047028A (en) 1989-05-12 1990-05-03 Method for inducing thrombosis in blood vessels

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Application Number Title Priority Date Filing Date
US08/785,445 Expired - Lifetime USRE39200E1 (en) 1989-05-12 1997-01-17 Apparatus for treating a blood vessel

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EP (1) EP0396945B1 (en)
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US7115127B2 (en) 2003-02-04 2006-10-03 Cardiodex, Ltd. Methods and apparatus for hemostasis following arterial catheterization
US20060267255A1 (en) * 2003-01-31 2006-11-30 Daniela Tomova Process for producing a performance enhanced single-layer blow-moulded container
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EP0396945B1 (en) 1996-03-06
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USRE39200E1 (en) 2006-07-18
DE59010170D1 (en) 1996-04-11
US5047028A (en) 1991-09-10
EP0396945A3 (en) 1991-03-13

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