US3913587A - Implantable extendable member - Google Patents

Implantable extendable member Download PDF

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Publication number
US3913587A
US3913587A US514544A US51454474A US3913587A US 3913587 A US3913587 A US 3913587A US 514544 A US514544 A US 514544A US 51454474 A US51454474 A US 51454474A US 3913587 A US3913587 A US 3913587A
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United States
Prior art keywords
elongated member
surgically implantable
implantable device
hollow
capsule
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Expired - Lifetime
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US514544A
Inventor
Mahmoud S Newash
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Dow Silicones Corp
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Dow Corning Corp
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Publication date
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Priority to US514544A priority Critical patent/US3913587A/en
Application granted granted Critical
Publication of US3913587A publication Critical patent/US3913587A/en
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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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
    • A61M2039/0267—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body comprising sensors or electrical contacts
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
    • A61M2039/0276—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body for introducing or removing fluids into or out of the body
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2164—Midline

Definitions

  • ABSTRACT A surgically implantable device such as hydrocephalus [52] US l28/3481 1 2 shunt tubing or heart pacer lead which is designed to [51] Int Cl 2 extend as a body grows.
  • the tubing or lead has a cen- [58] Fie'ld R 3 51 ter section which is loosely coiled within a surgically implantable capsule and is designed to be gradually 128/404, 419 P, 3/1, 174/135, 24/71.], 71.2 pulled therefrom as needed [56] References Cited UNITED STATES PATENTS 5 Cla
  • the primary object of the present invention is to provide a surgically implantable device for transfer of fluids or energy between two separated parts of the body which device will accommodate growth of the body in which it is implanted.
  • a device comprising an elongated member designed to interconnect two separated parts of the body in which the device is to be implanted and a hollow capsule surrounding a midportion of the elongated member.
  • the elongated member can be either a hollow tube such as that used in a hydrocephalus shunt or alternatively, can be an electrically conductive element such as that used in a heart pacer lead.
  • FIG. 1 is a view in perspective of a surgically implantable variable length device made in accordance with the invention.
  • FIG. 2 is a vertical cross-section through the device of FIG. 1.
  • FIG. 1 a surgically implantable expandable lengths device for transfer of fluids or energy having an elongated member 11 which may be either a hollow tube such as a hydrocephalus shunt or alternatively, may be an electrically conductive element such as a heart pacer lead.
  • an elongated member 11 which may be either a hollow tube such as a hydrocephalus shunt or alternatively, may be an electrically conductive element such as a heart pacer lead.
  • a hollow capsule 12 Surrounding the elongated member 11 is a hollow capsule 12 through which the elongated member 11 passes.
  • the point of entry of the elongated member 1 1 into the hollow of the capsule 12 is designated by the letter A and the point of exit is designated by the letter B in FIG. 2.
  • the length portion of the elongated member 11 which extends between the points A and B is substantially longer than the length of the hollow in the capsule 12. This length is preferably accommodated by coiling the portion of the member 11 within the hollow but other configurations such as zig-zags or serpentine folds may also be provided.
  • the cross-sectional dimension of the elongated member 11 must correspond to the dimension of the opening in the capsule wall through which that end of the elongated member passes in a A manner such that the elongated member is freely slidable through the capsule wall when tension is applied between opposite ends of the elongated member 11.
  • the ends of the member 11 which were originally positioned between A and B are pulled from the interior of the capsule.
  • the elongated member has been referred to simply in terms of a tube or electrical conductor various types of valves, connectors, etc. may be applied to the ends thereof without departing from the scope of the invention.
  • the entire device with the exception of electrically conductive elements is preferably made of silicone rubber although it should be understood that suitable reinforcement fabrics or tissue ingrowth means may be applied to the silicone rubber for added strength or maintenance of position of the deivce should that be surgically desirable.
  • a surgically implantable device for transfer of fluids or energy in an animal body having tissue and fluids, the device formed of a material substantially inert to the tissue and fluids comprising;
  • a one piece elongated member designed to interconnect two separatedparts of the body
  • a hollow capsule having an inner diameter at least five times greater than the outer diameter of the elongated member surrounding a portion of said 1 wherein said elongated member is a hollow tube.

Abstract

A surgically implantable device such as hydrocephalus shunt tubing or heart pacer lead which is designed to extend as a body grows. The tubing or lead has a center section which is loosely coiled within a surgically implantable capsule and is designed to be gradually pulled therefrom as needed.

Description

United States Patent Newash 1 Oct. 21, 1975 [54] IMPLANTABLE EXTENDABLE MEMBER 3,089,210 5/1963 Ritter 174/135 X 3,598,128 8/1971 Chardack 1 128/419 P [75] Inventor Newash Sagmaw 3,623,484 11/1971 Schulte 128/350 R Mlch 3,683,890 8/1972 Beal 128/2 W Assigneez Dow Corning Corporation Midland 3,738,365 6/1973 Schulte 128/350 R Mich.
[22] Filed: Oct. 15, 1974 Primary ExaminerDalton L. Truluck pp NO I 514 544 Attorney, Agent, or FirmGordon Needleman Related US. Application Data [63] 5821;312:2221? of Ser. No. 423,612, Dec. 10, 1973, [57] ABSTRACT A surgically implantable device such as hydrocephalus [52] US l28/3481 1 2 shunt tubing or heart pacer lead which is designed to [51] Int Cl 2 extend as a body grows. The tubing or lead has a cen- [58] Fie'ld R 3 51 ter section which is loosely coiled within a surgically implantable capsule and is designed to be gradually 128/404, 419 P, 3/1, 174/135, 24/71.], 71.2 pulled therefrom as needed [56] References Cited UNITED STATES PATENTS 5 Cla|ms, 2 Drawing Figures 3,068,316 12/1962 Witt 174/135 BACKGROUND OF THE INVENTION The present invention'relates to-surgically implantable devices and more particularlyto devices which include elongated members such astubing or electrical conductors.
For some time it has been a common practice to implant lengths of tubing or lengths of electrical conductors within living bodies for various corrective purposes. For example, in the treatment of hydrocephalus, shunts are implanted to provide an artificial pathway for cerebro-spinal fluids from the brain to either the blood circulatory system or to the peritoneal cavity. Similarly in the use of heart pacers, electrically conductive members are used to transmit electrical energy from a power source to the heart. A particular problem has existed in the case of growing children when an elongated member has been implanted within their bodies. While devices such as telescoping interconnections have been suggested, to date none have been entirely satisfactory. The result has been the necessity for periodic surgical operations to extend the length of the implanted elongated member. Obviously, this is undesirable if it can be avoided.
SUMMARY OF THE INVENTION The primary object of the present invention is to provide a surgically implantable device for transfer of fluids or energy between two separated parts of the body which device will accommodate growth of the body in which it is implanted. In accordance with this and other objects there is provided by the present invention a device comprising an elongated member designed to interconnect two separated parts of the body in which the device is to be implanted and a hollow capsule surrounding a midportion of the elongated member. Inside the hollow capsule a length portion of the elongated member which is substantially longer than the hollow in the capsule is accommodated and at least one end of the elongated member has a cross-sectional dimension which corresponds to the dimension of the opening in the capsule wall through which that end of the elongated member passes in a manner such that the elongated member is freely slidable through the capsule wall when tension is applied between opposite ends of the device. Thus, as the child grows the length portion of the member which is in the capsule is gradually pulled out of the capsule allowing, in effect, growth of the length of the elongated member. The elongated member can be either a hollow tube such as that used in a hydrocephalus shunt or alternatively, can be an electrically conductive element such as that used in a heart pacer lead.
Other objects and attendant advantages of the invention will become clear to those skilled in the art from a reading of the following detailed description in connection with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view in perspective of a surgically implantable variable length device made in accordance with the invention, and
FIG. 2 is a vertical cross-section through the device of FIG. 1.
DESCRIPTION OF PREFERRED EMBODIMENTS Referring now to the drawings wherein like reference characters designate like parts throughout the figures thereof there is shown in FIG. 1 a surgically implantable expandable lengths device for transfer of fluids or energy having an elongated member 11 which may be either a hollow tube such as a hydrocephalus shunt or alternatively, may be an electrically conductive element such as a heart pacer lead. Surrounding the elongated member 11 is a hollow capsule 12 through which the elongated member 11 passes. The point of entry of the elongated member 1 1 into the hollow of the capsule 12 is designated by the letter A and the point of exit is designated by the letter B in FIG. 2. The length portion of the elongated member 11 which extends between the points A and B is substantially longer than the length of the hollow in the capsule 12. This length is preferably accommodated by coiling the portion of the member 11 within the hollow but other configurations such as zig-zags or serpentine folds may also be provided.
Preferably at both points A and B but in any case, at one of the points A and B the cross-sectional dimension of the elongated member 11 must correspond to the dimension of the opening in the capsule wall through which that end of the elongated member passes in a A manner such that the elongated member is freely slidable through the capsule wall when tension is applied between opposite ends of the elongated member 11. In this manner when tension is applied between the ends additional portions of the elongated member which were originally positioned between A and B are pulled from the interior of the capsule. Thus, as a body grows and the ends of the member 11 are placed in tension additional portions of the member 11 are pulled from the capsule causing the overall device in effect, to grow in length and accommodate such growth.
It must be understood that while in the preferred embodiment described above the elongated member has been referred to simply in terms of a tube or electrical conductor various types of valves, connectors, etc. may be applied to the ends thereof without departing from the scope of the invention. The entire device with the exception of electrically conductive elements is preferably made of silicone rubber although it should be understood that suitable reinforcement fabrics or tissue ingrowth means may be applied to the silicone rubber for added strength or maintenance of position of the deivce should that be surgically desirable.
Obviously, many modifications and variations of the present invention other than those described hereinabove will occur to those skilled in the art from a reading of the above. Therefore, it is to be understood that within the scope of the appended claims the invention may be practiced otherwise than as specifically described.
That which is claimed is:
l. A surgically implantable device for transfer of fluids or energy in an animal body, having tissue and fluids, the device formed of a material substantially inert to the tissue and fluids comprising;
a one piece elongated member designed to interconnect two separatedparts of the body, and
a hollow capsule having an inner diameter at least five times greater than the outer diameter of the elongated member surrounding a portion of said 1 wherein said elongated member is a hollow tube.
3. A surgically implantable device as defined in claim 2 wherein said surgically implantable device is a hydrocephalus shunt or part of such a shunt.
4. A surgically implantable device as defined in claim 1 wherein said elongated member contains an electrically' conductive element.
5. A surgically implantable device as defined in claim 4 wherein said electrically conductive element is a heart pacer lead.

Claims (5)

1. A surgically implantable device for transfer of fluids or energy in an animal body, having tissue and fluids, the device formed of a material substantially inert to the tissue and fluids comprising; a one piece elongated member designed to interconnect two separated parts of the body, and a hollow capsule having an inner diameter at least five times greater than the outer diameter of the elongated member surrounding a portion of said elongated member and containing an unrestrained coiled length portion of said elongated member within the hollow of said capsule which length portion is substantially longer than the hollow; the hollow capsule having a smooth, uninterrupted walls defining openings at each end thereof circumscribing a portion of the elongated member, the elongated member is freely slidable through said openings when tension is applied between the opposite ends of the device.
2. A surgically implantable device as defined in claim 1 wherein saId elongated member is a hollow tube.
3. A surgically implantable device as defined in claim 2 wherein said surgically implantable device is a hydrocephalus shunt or part of such a shunt.
4. A surgically implantable device as defined in claim 1 wherein said elongated member contains an electrically conductive element.
5. A surgically implantable device as defined in claim 4 wherein said electrically conductive element is a heart pacer lead.
US514544A 1973-12-10 1974-10-15 Implantable extendable member Expired - Lifetime US3913587A (en)

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US42361273A 1973-12-10 1973-12-10
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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013081A (en) * 1976-04-19 1977-03-22 Arco Medical Products Company Pediatric cardiac pacer system
US4094321A (en) * 1977-02-07 1978-06-13 Rudolph Muto Shallow, dome-shaped pacer with bottom storage means for catheter
FR2461505A1 (en) * 1979-07-20 1981-02-06 Telectronics Pty Ltd BONE GROWTH STIMULATOR
US4266552A (en) * 1979-11-13 1981-05-12 Medtronic, Inc. Lead anchoring bobbin
US4271840A (en) * 1979-09-17 1981-06-09 Medtronic, Inc. Reservoir system for a body implantable member
US4624672A (en) * 1984-03-15 1986-11-25 Edmundas Lenkauskas Coiled wire prosthesis for complete or partial ossicular reconstruction
US4950276A (en) * 1988-02-25 1990-08-21 Vince Dennis J Prosthesis for banding of an artery capable of dilation by a balloon dilator
US4969899A (en) * 1989-03-08 1990-11-13 Cox-Uphoff International Inflatable implant
US4979614A (en) * 1989-10-31 1990-12-25 Ruhaut Robert C Storage container for an article
US5118907A (en) * 1989-11-13 1992-06-02 Stout Thomas D System and method for medical device interconnection utilizing controlled dispensing of elongated interconnecting member
US5928276A (en) * 1998-06-11 1999-07-27 Griffin, Iii; Joseph C. Combined cable and electrophysiology catheters
WO2001054752A1 (en) 2000-01-27 2001-08-02 Eunoe, Inc. Devices and methods for removing cerebrospinal fluids from a patient's csf space
US6383159B1 (en) 1998-11-10 2002-05-07 Eunoe, Inc. Devices and method for removing cerebrospinal fluids from a patient's CSF space
US20030004495A1 (en) * 1996-07-11 2003-01-02 Eunoe, Inc. Apparatus and methods for volumetric CSF removal
US20030032915A1 (en) * 2001-08-09 2003-02-13 Eunoe, Inc. System and method for treating elevated intracranial pressure
US20040068201A1 (en) * 2002-02-15 2004-04-08 Eunoe, Inc. Systems and methods for flow detection and measurement in CSF shunts
US20040068221A1 (en) * 1998-11-10 2004-04-08 Eunoe, Inc. Methods for the treatment of a normal pressure hydrocephalus
US20040176819A1 (en) * 2002-12-09 2004-09-09 Wahlstrand Carl D. Reducing relative intermodule motion in a modular implantable medical device
WO2004103460A1 (en) * 2003-05-16 2004-12-02 Medtronic, Inc. Implantable pouch for receiving a medical lead
US20050004618A1 (en) * 2003-05-16 2005-01-06 Scott Erik R. Implantable medical device with a nonhermetic battery
US20050004619A1 (en) * 2003-05-16 2005-01-06 Wahlstrand Carl D. Headset recharger for cranially implantable medical devices
US6875192B1 (en) 1998-11-10 2005-04-05 Eunoe, Inc. Devices and methods for removing cerebrospinal fluids from a patient's CSF space
US7596399B2 (en) 2004-04-29 2009-09-29 Medtronic, Inc Implantation of implantable medical device
US7596408B2 (en) 2002-12-09 2009-09-29 Medtronic, Inc. Implantable medical device with anti-infection agent
US20090259282A1 (en) * 2008-04-15 2009-10-15 Medtronic, Inc. Extendable imlpantable elongated member
US9084901B2 (en) 2006-04-28 2015-07-21 Medtronic, Inc. Cranial implant
US9162072B2 (en) 2004-04-30 2015-10-20 Medtronic, Inc. Implantable medical device with lubricious material
US9393432B2 (en) 2008-10-31 2016-07-19 Medtronic, Inc. Non-hermetic direct current interconnect
USD827731S1 (en) * 2015-10-16 2018-09-04 Gregory Scott Hirsch Oral exercise device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068316A (en) * 1959-06-12 1962-12-11 Witt Governor Cord shortening holder
US3089210A (en) * 1962-04-06 1963-05-14 Charles E Ritter Cord holder
US3598128A (en) * 1968-10-28 1971-08-10 Medtronic Inc Lead-storing pacer
US3623484A (en) * 1969-07-22 1971-11-30 Rudolf R Schulte Telescoping shunt system for physiological fluid
US3683890A (en) * 1970-10-02 1972-08-15 Charles B Beal Carrier system for delivery of an end of an elongated member to the upper gastrointestinal tract
US3738365A (en) * 1969-07-22 1973-06-12 R Schulte Spring reinforced extensible catheter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068316A (en) * 1959-06-12 1962-12-11 Witt Governor Cord shortening holder
US3089210A (en) * 1962-04-06 1963-05-14 Charles E Ritter Cord holder
US3598128A (en) * 1968-10-28 1971-08-10 Medtronic Inc Lead-storing pacer
US3623484A (en) * 1969-07-22 1971-11-30 Rudolf R Schulte Telescoping shunt system for physiological fluid
US3738365A (en) * 1969-07-22 1973-06-12 R Schulte Spring reinforced extensible catheter
US3683890A (en) * 1970-10-02 1972-08-15 Charles B Beal Carrier system for delivery of an end of an elongated member to the upper gastrointestinal tract

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013081A (en) * 1976-04-19 1977-03-22 Arco Medical Products Company Pediatric cardiac pacer system
US4094321A (en) * 1977-02-07 1978-06-13 Rudolph Muto Shallow, dome-shaped pacer with bottom storage means for catheter
FR2461505A1 (en) * 1979-07-20 1981-02-06 Telectronics Pty Ltd BONE GROWTH STIMULATOR
US4271840A (en) * 1979-09-17 1981-06-09 Medtronic, Inc. Reservoir system for a body implantable member
US4266552A (en) * 1979-11-13 1981-05-12 Medtronic, Inc. Lead anchoring bobbin
US4624672A (en) * 1984-03-15 1986-11-25 Edmundas Lenkauskas Coiled wire prosthesis for complete or partial ossicular reconstruction
US4950276A (en) * 1988-02-25 1990-08-21 Vince Dennis J Prosthesis for banding of an artery capable of dilation by a balloon dilator
US4969899A (en) * 1989-03-08 1990-11-13 Cox-Uphoff International Inflatable implant
US4979614A (en) * 1989-10-31 1990-12-25 Ruhaut Robert C Storage container for an article
US5118907A (en) * 1989-11-13 1992-06-02 Stout Thomas D System and method for medical device interconnection utilizing controlled dispensing of elongated interconnecting member
US20030004495A1 (en) * 1996-07-11 2003-01-02 Eunoe, Inc. Apparatus and methods for volumetric CSF removal
US5928276A (en) * 1998-06-11 1999-07-27 Griffin, Iii; Joseph C. Combined cable and electrophysiology catheters
US6383159B1 (en) 1998-11-10 2002-05-07 Eunoe, Inc. Devices and method for removing cerebrospinal fluids from a patient's CSF space
US7189221B2 (en) 1998-11-10 2007-03-13 Integra Life Sciences Corporation Methods for the treatment of a normal pressure hydrocephalus
US6575928B2 (en) 1998-11-10 2003-06-10 Eunoe, Inc. Devices and methods for removing cerebrospinal fluids from a patient's CSF space
US6875192B1 (en) 1998-11-10 2005-04-05 Eunoe, Inc. Devices and methods for removing cerebrospinal fluids from a patient's CSF space
US20040068221A1 (en) * 1998-11-10 2004-04-08 Eunoe, Inc. Methods for the treatment of a normal pressure hydrocephalus
WO2001054752A1 (en) 2000-01-27 2001-08-02 Eunoe, Inc. Devices and methods for removing cerebrospinal fluids from a patient's csf space
US7025739B2 (en) 2001-08-09 2006-04-11 Integra Lifesciences Corporation System and method for treating elevated intracranial pressure
US20030032915A1 (en) * 2001-08-09 2003-02-13 Eunoe, Inc. System and method for treating elevated intracranial pressure
US20040068201A1 (en) * 2002-02-15 2004-04-08 Eunoe, Inc. Systems and methods for flow detection and measurement in CSF shunts
US7596408B2 (en) 2002-12-09 2009-09-29 Medtronic, Inc. Implantable medical device with anti-infection agent
US20040176819A1 (en) * 2002-12-09 2004-09-09 Wahlstrand Carl D. Reducing relative intermodule motion in a modular implantable medical device
US20040176817A1 (en) * 2002-12-09 2004-09-09 Medtronic, Inc. Modular implantable medical device
US7848817B2 (en) 2002-12-09 2010-12-07 Medtronic, Inc. Coupling module of a modular implantable medical device
US8666497B2 (en) 2002-12-09 2014-03-04 Medtronic, Inc. Coupling module of a modular implantable medical device
US7212864B2 (en) 2002-12-09 2007-05-01 Medtronic, Inc. Modular implantable medical device
US7242982B2 (en) 2002-12-09 2007-07-10 Medtronic, Inc. Overmold for a modular implantable medical device
US8457744B2 (en) 2002-12-09 2013-06-04 Medtronic, Inc. Low-profile implantable medical device
US8397732B2 (en) 2002-12-09 2013-03-19 Medtronic, Inc. Implantation of low-profile implantable medical device
US7392089B2 (en) 2002-12-09 2008-06-24 Medtronic, Inc. Reducing relative intermodule motion in a modular implantable medical device
US7529586B2 (en) 2002-12-09 2009-05-05 Medtronic, Inc. Concavity of an implantable medical device
US8086313B2 (en) 2002-12-09 2011-12-27 Medtronic, Inc. Implantable medical device with anti-infection agent
US7263401B2 (en) 2003-05-16 2007-08-28 Medtronic, Inc. Implantable medical device with a nonhermetic battery
US7317947B2 (en) 2003-05-16 2008-01-08 Medtronic, Inc. Headset recharger for cranially implantable medical devices
US20050004618A1 (en) * 2003-05-16 2005-01-06 Scott Erik R. Implantable medical device with a nonhermetic battery
US7881796B2 (en) 2003-05-16 2011-02-01 Medtronic, Inc. Implantable medical device with a nonhermetic battery
WO2004103460A1 (en) * 2003-05-16 2004-12-02 Medtronic, Inc. Implantable pouch for receiving a medical lead
US20050004619A1 (en) * 2003-05-16 2005-01-06 Wahlstrand Carl D. Headset recharger for cranially implantable medical devices
US7596399B2 (en) 2004-04-29 2009-09-29 Medtronic, Inc Implantation of implantable medical device
US8280478B2 (en) 2004-04-29 2012-10-02 Medtronic, Inc. Evaluation of implantation site for implantation of implantable medical device
US9162072B2 (en) 2004-04-30 2015-10-20 Medtronic, Inc. Implantable medical device with lubricious material
US9084901B2 (en) 2006-04-28 2015-07-21 Medtronic, Inc. Cranial implant
US9504402B2 (en) 2006-04-28 2016-11-29 Medtronic, Inc. Cranial implant
US9427575B2 (en) * 2008-04-15 2016-08-30 Medtronic, Inc. Extendable implantable elongated member
US20090259282A1 (en) * 2008-04-15 2009-10-15 Medtronic, Inc. Extendable imlpantable elongated member
US9393432B2 (en) 2008-10-31 2016-07-19 Medtronic, Inc. Non-hermetic direct current interconnect
USD827731S1 (en) * 2015-10-16 2018-09-04 Gregory Scott Hirsch Oral exercise device

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