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7611473 |
Tissue extraction and maceration device
Devices and methods are provided for extracting and macerating tissue, and optionally for depositing the tissue onto a tissue scaffold. The device generally includes an outer tube having a...
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7597699 |
Motorized surgical handpiece
A motorized surgical handpiece comprises a housing enclosing an interior containing a motor and an output shaft for being driven in rotation by the motor. The output shaft has a central...
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7591829 |
Surgical instrument attachment system
A surgical implement for use with a hand-piece of a surgical instrument for performing a surgical treatment, comprises: an outer tube member including an outer hub and an outer tube extending...
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7569056 |
Methods and apparatus for forming shaped axial bores through spinal vertebrae
One or more shaped axial bore extending from an accessed posterior or anterior target point are formed in the cephalad direction through vertebral bodies and intervening discs, if present, in...
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7559765 |
Rotary tool for dental or medical applications
The shank ( 12 ) of a disposable rotary cutting tool ( 10 ) comprises a pipe section ( 16 ) cut from a drawn metal pipe. The tool head ( 14 ) is formed from a cut-out ( 18 a, 18 b ) of a drawn...
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7537524 |
Coupling of driver/driven shafts of a motor and thrust isolation
The rotary motion created by a motor is transmitted from the drive shaft of the motor to the driven shaft through a pair of diametrically opposed balls fitted into a coupling mechanism attached to...
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7517351 |
Surgical tool system including plural powered handpieces and a console to which the handpieces are simultaneously attached, the console able to energize each handpiece based on data stored in a memory integral with each handpiece
A surgical tool system ( 30 ) with a powered surgical handpiece ( 32 ). A removable handswitch ( 39 ) is attached to the handpiece. The handswitch includes a slip ring ( 192 ) that removably holds...
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7485127 |
Tubular torque transmitting system for medical device
A torque transmitting system supports rotational and lateral movement of a drive shaft. The system includes translating inner and outer tubes which have aligned canals for placement of a ball...
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7470237 |
Biopsy instrument with improved needle penetration
The present invention provides a biopsy instrument with improved needle penetration for piercing dense tissue. The device may comprise a needle slidably retained in a housing. The device may...
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7458979 |
Internal tip seal for attachment/motor for surgical instruments
A seal for an attachment to a surgical motor is provided by cutting threads into the inner surface of the nose cone of the attachment whereby the helical wound threads are in a direction opposite...
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7458940 |
Biopsy apparatus
A biopsy apparatus having a disposable cutting element and a reusable handpiece is disclosed. The disposable cutting element includes an inner cannula that defines an inner lumen and terminates in...
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7377902 |
Biopsy anchor device with cutter
A device for accessing and for isolating a desired site within a patient's body, and for obtaining a body of tissue from a patient at the site that includes an electrosurgical cutting electrode...
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7344546 |
Intralumenal material removal using a cutting device for differential cutting
Intralumenal material removal systems are provided using an advanceable and rotatable cutter assembly designed for differential cutting. The intralumenal material removal system includes a cutter...
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7338495 |
Angled tissue cutting instruments having flexible inner tubular members of tube and sleeve construction
An angled tissue cutting instrument comprises an angled outer tubular member rotatably receiving a flexible inner tubular member. The inner member has a flexible region in correspondence with an...
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7335216 |
Tool for creating an opening in tissue
An piercing member is axially fixed to and positioned within a cutter, both of which are components of a stand-alone tool for creating an opening in the wall of a tubular tissue structure. The...
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7329267 |
Medical cutting devices and methods of use
Intravascular cutting device that does not require an inflatable balloon for blade deployment. A cutting wire can be reversibly moved between a retracted, non-cutting position in which the cutting...
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7318831 |
System and method for performing irrigated nose and throat surgery
A system and method for performing skull based nasal, sinus and/or throat surgery. In the system and method of this invention a cutting accessory is applied to the tissue on which a procedure is to...
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7258694 |
Medical punch and surgical procedure
A medical punch includes a longitudinally dividable anvil with a reduced cross-sectional dimension facilitating insertion of the anvil into the vessel wall to achieve a clean aperture in the vessel...
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7252674 |
Expandable ablation burr
An atherectomy burr has an operating diameter that is larger than the diameter of a catheter in which the burr is routed. The burr may include an expandable polymeric balloon having a partially...
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7244263 |
Surgical instrument
A surgical instrument, suitable for endoscopic surgery has a first member and a movably driven second member movable in such first member. One such member comprises a generally tubular proximal...
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7232439 |
Bipolar tissue morcellator
An endoscopic morcellator device and method for use is provided. The morcellator device includes an elongate shaft having a proximal end and a distal end and a lumen extending therethrough, a...
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7229457 |
Surgical instrument with adjustable rotary cutting tool and method of cutting
A surgical cutting tool in which at least one slot is formed through the wall of a tubular housing and receives a blade. An actuator is disposed in the bore and engages the blade so that axial...
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7226460 |
Surgical instrument attachment system
A surgical implement for use with a handpiece of a surgical instrument for performing a surgical treatment, comprises: an outer tube member including an outer hub and an outer tube extending...
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7226459 |
Reciprocating rotary arthroscopic surgical instrument
A surgical instrument includes a cutting member with an implement for cutting tissue, and a drive coupled to the cutting member to simultaneously rotate and translate the cutting member in response...
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7192430 |
Apparatuses and methods for interstitial tissue removal
Apparatuses and methods for removing solid tissue from beneath a tissue surface are described. The methods rely on positioning an energy conductive element at a target site beneath the tissue...
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7189248 |
System and method for making incisions for scleral eye implants
A system and method is disclosed for making incisions in the sclera of an eye to form a scleral pocket to receive a scleral prosthesis. The system and method comprises a surgical tool comprising a...
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7166103 |
High efficiency electrosurgical ablator with electrode subjected to oscillatory or other repetitive motion
A high efficiency electrosurgical ablator which is subjected to a combined oscillatory and mechanical debridement motion during resection of tissue is disclosed. The electrosurgical ablator is...
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7150747 |
Electrosurgical cutter
One surgical device includes a first member and a second member defining a lumen for receiving the first member. The first member is configured to be movable relative to the second member to cut...
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7112200 |
Electro-cauterizing cannula assembly for use with power-assisted liposuction instruments
An electro-cauterizing cannula assembly for use in a power-assisted liposuction instrument having a hand-holdable housing and a mechanism for reciprocating the cannula assembly. The...
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7108704 |
Percutaneous mechanical fragmentation catheter system
A percutaneous thrombolytic device, also referred to herein as a percutaneous mechanical fragmentation catheter system, that includes a wire cage or basket attached to a rotational drive motor. The...
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7077845 |
Surgical abrader with suction port proximal to bearing
An apparatus for abrading tissue includes a bearing tube having distal and proximal ends, and a suction port formed distally in a sidewall of the bearing tube. An inner tube disposed within the...
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RE39152 |
Surgical instrument
A surgical instrument includes a tubular stem section which extends from a handle. A tubular articulated section connects a surgical instrument with the stem section. An actuator assembly is...
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6958071 |
Surgical tool system
A surgical tool system comprising a handpiece and a cutting accessory that is releaseably secured to the handpiece. The handpiece has a gear assembly with two drive heads. The gear assembly turns...
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6916328 |
Percutaneous cellulite removal system
A percutaneous cellulite removal needle of the present invention can be used to make the appearance of cellulite less obvious by cutting the fibrous bridges that connect the skin to muscle/fascia...
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6899685 |
Biopsy device
A biopsy device suitable for collecting cells from a mammary duct is provided. The device is suitable for conducting brushing biopsy and tissue excision procedures. The device comprises a sheath...
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6863677 |
Method and apparatus for trephinating body vessels and hollow organ walls
A system is disclosed for creating a hole in a body vessel or hollow organ. Such holes are useful in surgically preparing the hollow organ or body vessel for connection with another hollow organ,...
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6852118 |
Self-indexing coupling for rotational angioplasty device
A rotational angioplasty device having a handle housing and an exchangeable drive shaft cartridge. The handle housing includes a rotatable prime mover carried by a prime mover carriage which is...
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6827741 |
Method for preparing radial and carpal bones for a wrist prosthesis
A method for preparing and cutting the radial and carpal bones to receive a prosthetic wrist during a total wrist arthroplasty. Cuts on both the radius and carpal bones are made from a single...
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6824551 |
Percutaneous mechanical fragmentation catheter system
A percutaneous thrombolytic device, also referred to herein as a percutaneous mechanical fragmentation catheter system, that includes a wire cage or basket attached to a rotational drive motor. The...
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6818001 |
Intralumenal material removal systems and methods
The intralumenal material removal system includes a cutter assembly positionable in the lumen of a mammalian subject and operably connected to system controls. The cutter assembly is axially...
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6814734 |
Surgical instrumentation and method for forming a passage in bone having an enlarged cross-sectional portion
A surgical instrument and method for forming a passage in bone having an enlarged cross-sectional portion is provided. The instrument includes an elongate member and a cutting element engaged...
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6808531 |
In-stent ablative tool
A system for removing matter from a partially or totally occluded stent includes a cutter that is urged radially outward toward the inner surface of the stent. Preferably, the cutter has a hardness...
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6800083 |
Compressible atherectomy burr
A rotational ablation atherectomy device including a flexible drive shaft and a compressible burr that may be inserted and extracted from a patient using a catheter having a diameter that is...
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6790210 |
Methods and apparatus for forming curved axial bores through spinal vertebrae
One or more curved axial bore is formed commencing from an anterior or posterior sacral target point and cephalad through vertebral bodies in general alignment with a visualized, trans-sacral axial...
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6764494 |
Device for removal of an aorta valve at a human heart in course of a minimal surgical operation
What is described here is a device for ablation of an aortic valve on the human heart by a minimally invasive surgical operation, comprising a centering and fixing body adapted to be introduced...
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6752816 |
Powered surgical handpiece with removable control switch
A surgical tool system ( 30 ) with a powered surgical handpiece ( 32 ). A removable handswitch ( 39 ) is attached to the handpiece. The handswitch includes a slip ring ( 192 ) that removably holds...
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6746451 |
Tissue cavitation device and method
A percutaneous surgical device and method for creating a cavity within tissue during a minimally invasive procedure. A cavitation device includes a shaft interconnected to a flexible cutting...
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6685709 |
Apparatus and method for reconstructing ligaments
Apparatus for removing bone from a femoral notch, or the like, which includes a guidewire and a router assembly. The router assembly comprises a cutting head fixed to a shaft rotatably disposed in...
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6638289 |
Elongated endoscopic cutting accessories
An elongated cutting accessory for performing endoscopic surgery. The accessory includes an inner tube to which a cutting member is attached and an outer tube that encases the inner tube. The outer...
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6635067 |
Liquid cooled, powered surgical handpiece
A powered surgical handpiece for use with a micro-cutting instrument, includes a motor contained within a housing. The housing includes a motor enclosure surrounding the motor and a sleeve placed...
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