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72 results about "Burr holes" patented technology
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A burr hole is a hole that is surgically placed in the skull, also known as the cranium. Burr holes are placed to facilitate further surgery, or may be the only disruption in the skull, depending upon the nature of the issue.
Devices and methods using an implantable pulse generator for brain stimulation
A device for brain stimulation includes a lead having a longitudinal surface; at least one stimulation electrode disposed along the longitudinal surface of the lead; at least one recording electrode, separate from the at least one stimulation electrode, disposed on the lead; and an implantable pulse generator coupled to the at least one stimulation electrode. In some instances, the implantable pulse generator can be implanted into a burr hole in the skull made for insertion of the lead into the brain.
Owner:BOSTON SCI NEUROMODULATION CORP
Medical lead positioning and anchoring system
There is disclosed a medical apparatus for positioning and anchoring a lead to a cranium burr hole. The apparatus comprises generally a sleeve and a plurality of springs positioned within the sleeve. The apparatus may be inserted within a conventional burr hole ring or serve as a stand-alone anchoring device that fits within a burr hole. Once a lead is inserted into the sleeve between the plurality of springs, the springs exert a radial force on the lead body, thereby holding the lead in the desired position. The apparatus may also include a circular disc, defining a slot, mountable within the burr hole ring. The circular disc permits the selective positioning of the lead within the burr hole.
Owner:MEDTRONIC INC
Cranial sealing plug
Various embodiments of a burr hole plug assembly offer significant improvements for allowing lead and / or cannula access through a burr hole drilled through a patient's skull in connection with a Deep Brain Stimulation system, and subsequent sealing of such burr hole. The various burr hole plug assemblies described: (a) accommodate various burr hole sizes and provide a secure fit in the burr hole; (b) accommodate various locations for lead positioning and adjustment; (c) allow the lead to remain in a static position when the burr hole plug assembly is placed; (d) protect the lead from fracture at the exit location of the plug; (e) remain flush with the skull to avoid skin erosion and to eliminate unsightly flange protrusion from the patients' skull; (f) adequately hold the lead in place over time; and (g) provide a selection of various types of burr hole plug assemblies and sizes for use by the implanting surgeon, thereby eliminating the need for surgeons to resort to custom plugs and plug assemblies made in the operating room specifically to fit a given patient.
Owner:BOSTON SCI NEUROMODULATION CORP
Electrical stimulation system and associated apparatus for securing an electrical stimulation lead in position in a person's brain
InactiveUS20050143800A1Stable positionPrevent movementHead electrodesDiagnosticsElectricityBurr holes
In one aspect, an apparatus is provided for securing an electrical stimulation lead in position in a person's brain. The apparatus includes a flexible disc comprising a substantially radial slot adapted to secure the lead in position within the brain after implantation. The slot is adapted to elastically expand as the lead is inserted into the slot and is also adapted to elastically contract on the lead to secure the lead in position within the brain after implantation. The apparatus further includes a ring adapted to seat within a burr hole formed in the person's skull. The ring comprises a channel adapted to receive and secure the flexible disc.
Owner:ADVANCED NEUROMODULATION SYST INC
Electrical stimulation system and associated apparatus for securing an electrical stimulation lead in position in a person's brain
InactiveUS20050143799A1Simply and easily insertedReduce riskHead electrodesIntracranial pressure measurementElectricityBurr holes
In one aspect, an apparatus is provided for securing an electrical stimulation lead in position in a person's brain. The apparatus includes a body configured to seat within a burr hole formed in the person's skull. The apparatus also includes a central elastic membrane coupled to the body and extending across a central aperture of the body. The elastic membrane includes a number of pre-formed openings provided for purposes of securing the lead in position within the brain after implantation. Each pre-formed opening may penetrate through an entire thickness of the elastic membrane. Each pre-formed opening may be selected for insertion of the lead into the brain. Each pre-formed opening is adapted to elastically expand as the lead is inserted through the pre-formed opening and positioned in the brain and is adapted to elastically contract on the lead to secure the lead in position within the brain after implantation.
Owner:ADVANCED NEUROMODULATION SYST INC
Methods and apparatus for securing a therapy delivery device within a burr hole
Apparatus and methods for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device into the burr hole. The apparatus may further include a stabilizer that may be engaged with both the base and the therapy delivery device while the delivery device is held with positioning apparatus. The base and / or stabilizer may frictionally engage the delivery device, e.g., receive it with interference, to secure the device in two or more non-parallel directions. In some embodiments, at least the stabilizer may include a surface coating or treatment operable to enhance frictional engagement with the therapy delivery device.
Owner:MEDTRONIC INC
Low profile apparatus for securing a therapy delivery device within a burr hole
Apparatus for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device into the burr hole. The base may frictionally engage the delivery device, e.g., receive it with interference, to secure the device relative to the burr hole. The base may have a relatively low profile such that a flange portion of the base extends only minimally above a cranial surface, e.g., about 4 millimeters or less.
Owner:MEDTRONIC INC
Electrode-lead coupling skull mounted port assembly
An assembly for securing an electrode lead within a burr hole formed in a patient's skull and couples it to a coupling lead which extends to a remote signal generator. The securing assembly has three separate components. The first is a bone port which seats within a preformed burr hole in the skull. The bone port is a cylindrical shaped short tube with central axial hole having electrical contacts formed on the inner surface. These electrical contacts are connected to corresponding contacts in a circumferential groove formed in the upper surface of the port for receiving the proximal end of the stimulation electrode. The second component is a docking element which seats in the port. The docking element has corresponding electrical contacts on the exterior surface thereof, which connect to terminal pads in an axial bore formed therein. The coupling lead is inserted into the bore and is thereby connected to the stimulation electrode by virtue of the contacts made between the port and the docking element. A cap element seats over the port and docking elements, holding them together and securing the stimulation electrode in the assembly.
Owner:ELECTRO CORE TECH
Organ access device and method
ActiveUS7636596B2Improve accuracyImprove ease of useAdditive manufacturing apparatusSurgical needlesRotational freedomBurr holes
An insertion guide is shown that includes at least one insertion point adjustment device. A user such as a surgeon is able to adjust a lateral position of an insertion point to more precisely center the insertion point within an opening in a subject, such as a burr hole. Selected insertion guide devices further include a centering guide that easily indicates to a user when the insertion point is substantially centered within the opening in the subject. Selected insertion guide devices include adjustability of multiple degrees of rotational freedom of an insertion axis. Selected insertion guide devices further permit a user to fix multiple degrees of rotational freedom of an insertion axis using a single locking device. Tissue damage due to an attachment procedure of an insertion guide device is reduced using selected configurations described herein.
Owner:MEDTRONIC INC
Implantable transcranial pulse generator having a collapsible portion
An implantable transcranial pulse generator for generating neuro-modulating electrical signals used, for example, in the treatment of medical conditions through deep brain stimulation (DBS). The implantable pulse generator comprises a collapsible dome portion that deforms upon impact to protect the patient from injury and the pulse generator from being damaged. The dome is removably mounted to a transcranial insert that is secured within a burr hole located in the patient's cranium. Both the dome and the insert contain electronic components and have complementary connectors facilitating direct electrical interconnection. The electronics within the dome are mounted on flexible substrates to permit deformation of the collapsible portion. The dome may include a re-fillable reservoir for supplying controlled dosages of a pharmaceutically active composition to the brain through the transcranial insert.
Owner:MEDTRODE
Methods and apparatus for securing a therapy delivery device within a burr hole
InactiveUS20050182425A1Avoid accidental injuryHead electrodesCannulasBurr holesBiomedical engineering
Apparatus and methods for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device through the burr hole. The apparatus may further include a stabilizer that may be engaged with both the base and the therapy delivery device while the delivery device is held with positioning apparatus. The base and / or stabilizer may frictionally engage the delivery device, e.g., receive it with interference, to secure the device in two or more non-parallel directions. In some embodiments, at least the stabilizer may include a surface coating or treatment operable to enhance frictional engagement with the therapy delivery device.
Owner:MEDTRONIC INC
Burr hole plug designs
InactiveUS20090112327A1Facilitates the securing of moreImprove securityHead electrodesBone implantBurr holesEngineering
A burr hole plug comprises a plug base including a flange configured for being mounted around a burr hole, an aperture through which an elongated medical device may pass, and tabs configured for extending within the cranial burr hole to center the plug base relative to the cranial burr hole. The burr hole plug further comprises a retainer configured for being mounted within the aperture of the plug base to secure the medical device. A method may comprise locating the plug base within a burr hole, such that the tabs are disposed within the burr hole to center the plug base relative to the cranial burr hole, introducing the elongated medical device through the cranial burr hole and into the brain tissue of the patient, mounting the retainer within the aperture of the plug base, and actuating the retainer to secure the medical device.
Owner:BOSTON SCI NEUROMODULATION CORP
Cranial burr hole plug and insertion tool
ActiveUS7479146B2Avoiding disturbance of the position of a medical device at the target siteMaximize efficiencyDiagnosticsSurgical needlesBurr holesEngineering
A cranial burr hole plug with an insertion tool and method of implantation is provided. The burr hole plug includes a shell; a collet interlocked within the shell; a clamp compressing the collet around an elongated medical device exiting the skull of a patient, such as a catheter or lead; and a cover over the clamp, collet, and shell. The insertion tool inserts the collet within the shell and locks the collet around the clamp. The method of implantation includes inserting the burr hole plug components in a cranial burr hole using the insertion tool and securing the exiting medical device without disturbing the position of the medical device.
Owner:BOSTON SCI NEUROMODULATION CORP
Devices and methods using an implantable pulse generator for brain stimulation
A device for brain stimulation includes a lead having a longitudinal surface; at least one stimulation electrode disposed along the longitudinal surface of the lead; at least one recording electrode, separate from the at least one stimulation electrode, disposed on the lead; and an implantable pulse generator coupled to the at least one stimulation electrode. In some instances, the implantable pulse generator can be implanted into a burr hole in the skull made for insertion of the lead into the brain.
Owner:BOSTON SCI NEUROMODULATION CORP
Water content probe
Owner:BRAIN CHILD FOUND
Method and apparatus for irrigation and drainage of the brain's subdural space using a percutaneous approach
A dual lumen catheter provides for percutaneous drainage of a subdural hematoma to irrigate and drain the subdural space. The dual lumen catheter comprises a drainage channel dimensioned to drain subdural fluid collection from the subdural space and an irrigation channel dimensioned to irrigate the subdural space. Several methods are disclosed for inserting the dual lumen catheter into the subdural space through a small burr hole drilled in the skull. The dual lumen catheter 310 then both irrigates and drains the subdural space in order to both effectively evacuate a subdural hematoma as well as cleanse the subdural space. The subdural space is thereby effectively collapsed, and the brain returns to be adjacent to the dura mater and skull.
Owner:LIEBERMAN DANIEL M
Methods and apparatus for securing a therapy delivery device within a burr hole
Apparatus and methods for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device into the burr hole. The apparatus may further include a stabilizer that may be engaged with both the base and the therapy delivery device while the delivery device is held with positioning apparatus. The base and / or stabilizer may frictionally engage the delivery device, e.g., receive it with interference, to secure the device in two or more non-parallel directions. In some embodiments, at least the stabilizer may include a surface coating or treatment operable to enhance frictional engagement with the therapy delivery device.
Owner:MEDTRONIC INC
Cam lock burr hole plug for securing stimulation lead
ActiveUS20100023100A1Convenient and efficient and robustEasy to fixHead electrodesDiagnosticsBurr holesEngineering
A burr hole plug comprises a plug base configured for being mounted around a cranial burr hole. The plug base includes an aperture through which an elongated medical device exiting the burr hole may pass. The burr hole plug further comprises a retainer configured for being mounted within the aperture of the plug base. The retainer includes a retainer support, a slot formed in the retainer support for receiving the medical device, and a clamping mechanism having a movable clamping element and a cam configured for being rotated relative to the retainer support to linearly translate the movable clamping element into the slot, thereby securing the medical device. The retainer further comprises another clamping mechanism having another movable clamping element and another cam configured for being rotated relative to the retainer support to linearly translate the other movable clamping element, thereby laterally securing the retainer within the plug base.
Owner:BOSTON SCI NEUROMODULATION CORP
Socketed Portal Anchors and Methods of Using Same
Anchors for securing a medical device relative to a body portal, wherein the anchors may accommodate most any implantation trajectory through the portal. Such anchors may further secure the device along any such trajectory without imparting undesirable biasing forces that may shift the device from its intended implanted location. In some embodiments, the anchor is configured as a burr hole anchor including a spherical member contained in a socket of the anchor wherein the socket may be collapsed to lock the spherical member along a particular trajectory.
Owner:MEDTRONIC INC
Apparatus and method for retrograde placement of sagittal sinus drainage catheter
InactiveUS7172571B2Control depthPrevent thrombosisSurgical needlesWound drainsSuperior sagittal sinusDura mater
A method of inserting a drainage catheter into a sagittal sinus having blood flow from an upstream to a downstream direction. A burr hole is created, if necessary, in the cranium of the patient proximate the sagittal sinus. A distal end of a catheter is inserted through the burr hole and the dura into the sagittal sinus. The distal end of the catheter is positioned so that the distal end points generally in the upstream direction with respect to the blood flow. A sagittal sinus catheter is adapted for placement through the dura of a patient proximate a superior sagittal sinus. The catheter is formed of semi-rigid material and has at least a ninety degree bend.
Owner:MEDTRONIC INC
Cranial burr hole plug with Anti-skewing clamping mechanism
A burr hole plug comprises a plug base configured for being mounted around a burr hole. The plug base includes an aperture through which an elongated medical device exiting the burr hole may pass. The plug base is configured to accommodate a variety of cranium forms without requiring deformation of the plug base. A plug base holding tool is used to secure the plug base to the cranium, wherein the tool aligns fasteners with the plug base for insertion through the plug base and into the cranium. The burr hole plug further comprises a retainer configured for being mounted within the aperture of the plug base to secure the medical device. The retainer includes a clamping mechanism that secures the elongated medical device in the burr hole plug, wherein the movement of the clamping mechanism is controlled to prevent skewing of the clamping mechanism.
Owner:BOSTON SCI NEUROMODULATION CORP
Burr hole sealing device for preventing brain shift
InactiveUS20110054518A1Prevent leakagePreventing brain shiftHead electrodesCannulasBurr holesEngineering
A burr hole sealing device for preventing brain shift during a stimulation lead implantation procedure is provided. The device includes a suction cup ring and a self-sealing membrane positioned within the aperture of the ring. The sealing device is attached adjacent to a burr hole and over a dura layer that is exposed in the bottom of the burr hole. The stimulation lead is disposed through the burr hole, through the membrane, through the dura layer and into brain tissue. The membrane is configured to allow the lead to pass therethrough while maintaining a tight seal around the diameter of the lead, thereby hindering leakage of cerebrospinal fluid out of the cranial cavity and maintaining a substantially fixed intracranial pressure. In one embodiment, the sealing device includes a syringe for adding fluid to, or removing fluid from, the cranial cavity in response to a detected change in intracranial pressure.
Owner:BOSTON SCI NEUROMODULATION CORP
Strain relieved lead routing in burr hole plug for deep brain stimulation
A method of performing a medical procedure comprises introducing a medical device through a cranial burr hole into the brain tissue, mounting a plug base around a cranial burr hole, securing the medical device within the aperture of the plug base, seating a proximal end of the medical device within a first groove of the plug base, such that the proximal end exits the aperture of the plug base through the first groove, looping the proximal end from the first groove to a second groove in the plug base, seating the proximal end within the second groove, such that the proximal end extends across the aperture of the plug base from the second groove, and seating the proximal end within a third groove of the plug base, such that the proximal end exits the plug base aperture through the third groove.
Owner:BOSTON SCI NEUROMODULATION CORP
Electrical stimulation system and associated apparatus for securing an electrical stimulation lead in position in a person's brain
In one aspect, an apparatus is provided for securing an electrical stimulation lead in position in a person's brain. The apparatus includes a flexible disc comprising a substantially radial slot adapted to secure the lead in position within the brain after implantation. The slot is adapted to elastically expand as the lead is inserted into the slot and is also adapted to elastically contract on the lead to secure the lead in position within the brain after implantation. The apparatus further includes a ring adapted to seat within a burr hole formed in the person's skull. The ring comprises a channel adapted to receive and secure the flexible disc.
Owner:ADVANCED NEUROMODULATION SYST INC
Surgical burr hole drilling simulator
InactiveUS20100041004A1Programme controlAnalogue computers for chemical processesEngineeringMedical treatment
A system, method and device for simulating a medical procedure include a haptic mechanism controllable to provide feedback to a user manipulating a medical device. In an embodiment, a pair of three degree of freedom haptic devices are coupled to provide six degree of freedom measurement and force / moment feedback to the user. The six degree of freedom haptic device may be configured to provide different resolutions for different degrees of freedom, depending on simulation requirements. In an embodiment, a load cell is used to provide higher resolution in a dimension determined to be of greater criticality to realistic simulation.
Owner:SIMQUEST
Anchoring device for securing intracranial catheter or lead wire to a patient's skull
An anchor system for securing a lead to a patient's skull is disclosed. The lead is of the type that passes through a burr hole created in the patient's skull and includes a distal end which is implanted within the patient's brain at a target site. The anchor, according to a first embodiment of the invention includes a stem, an integrally formed rim plate, and a peripheral clamping structure. The clamping structure is adapted to receive and snugly hold a portion of the lead. The stem is sized and shaped to fit within the burr hole, leaving the rim plate positioned flush with the patient's skull. A flared passage is provided within the stem and rim plate so that the lead may pass through the stem and into the rim plate, at which point the lead follows the contours of the flared passage and communicates with the peripheral clamping structural. The clamping structure holds a portion of the lead so that any tension of the lead will not be transmitted past the anchor and the distal end of the lead will not become displaced from the target site. According to a second embodiment, the peripheral clamping structure includes several flexible loops that are sized and spaced from each other to allow a lead to be laced through the loops as the lead extends about the periphery of the rim plate.
Owner:CODMAN & SHURTLEFF INC
System and method for stimulation of a person's brain stem
ActiveUS20060136008A1Reduce and eliminate and disadvantageReduce and eliminate problemHead electrodesExternal electrodesMedicineBurr holes
According to one embodiment, a neurological stimulation system includes an electrical stimulation lead suited for implantation into the epidural space overlying the medulla for stimulation of nerve tissue in the brain stem. The lead includes a plurality of electrodes suited to be positioned in the epidural space overlying the medulla and to deliver stimulation energy to the nerve tissue. The system also includes a stimulation source suited for implantation into the person's body and operable to generate signals for transmission to the electrodes of the lead positioned in the epidural space overlying the medulla to cause the electrodes to deliver stimulation energy to the nerve tissue. In a particular embodiment, the lead may be suited for implantation posteriorly on, in, or near the brain stem overlying the medulla. In a particular embodiment, the lead may be inserted through an open craniotomy or a burr hole located approximately over the junction of the occiput and the first or second cervical vertebrae.
Owner:ADVANCED NEUROMODULATION SYST INC
Cranial burr hold plug and insertion tool
InactiveUS20090182351A1Avoiding disturbance of the position of a medical device at the target siteMaximize efficiencyDiagnosticsSurgical needlesBurr holesEngineering
A cranial burr hole plug with an insertion tool and method of implantation is provided. The burr hole plug includes a shell; a collet interlocked within the shell; a clamp compressing the collet around an elongated medical device exiting the skull of a patient, such as a catheter or lead; and a cover over the clamp, collet, and shell. The insertion tool inserts the collet within the shell and locks the collet around the clamp. The method of implantation includes inserting the burr hole plug components in a cranial burr hole using the insertion tool and securing the exiting medical device without disturbing the position of the medical device.
Owner:BOSTON SCI NEUROMODULATION CORP
Burr hole plug having dual slidable clamping mechanisms
ActiveUS20100145357A1Facilitates the securing of moreImprove securityHead electrodesDiagnosticsBurr holesMedical device
A burr hole plug comprises a plug base configured for being mounted around a burr hole. The plug base includes an aperture through which an elongated medical device exiting the burr hole may pass. The burr hole plug further comprises a retainer configured for being mounted within the aperture of the plug base. The retainer further includes first and second slidable clamping mechanisms configured for securing the medical devices therebetween within the aperture of the plug base. A method comprises introducing the medical device through the burr hole, mounting a plug base around the burr hole, such that the medical device extends through the plug base aperture, mounting the retainer within the aperture of the plug base, and sliding the first and second clamping mechanisms secure the medical device therebetween.
Owner:BOSTON SCI NEUROMODULATION CORP
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