Patent
   D564662
Priority
Oct 13 2004
Filed
Oct 13 2004
Issued
Mar 18 2008
Expiry
Mar 18 2022
Assg.orig
Entity
unknown
995
457
n/a
I claim the ornamental design for a hourglass-shaped knife for electrosurgical forceps, as shown.

FIG. 1 is a perspective view of my design of a hourglass shaped knife for use with an electrosurgical forceps (shown in phantom representation);

FIG. 2 is a right side view of the hourglass-shaped knife of FIG. 1;

FIG. 3 is a bottom view of the hourglass-shaped knife of FIG. 1;

FIG. 4 is a rear view of the hourglass-shaped knife of FIG. 1;

FIG. 5 is a top view of the hourglass-shaped knife of FIG. 1;

FIG. 6 is a left side view of the hourglass-shaped knife of FIG. 1; and,

FIG. 7 is a front view of the hourglass-shaped knife of FIG. 1.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

Moses, Michael C., Chojin, Edward

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7753909, May 01 2003 TYCO HEALTHCARE GROUP AG; Covidien AG Electrosurgical instrument which reduces thermal damage to adjacent tissue
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7951149, Oct 17 2006 Covidien LP Ablative material for use with tissue treatment device
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8062290, Oct 08 2004 Covidien AG Electrosurgical system employing multiple electrodes
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8156632, Jan 19 2007 Covidien LP Thermal and electrical conductivity probes and methods of making the same
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8197479, Dec 10 2008 Covidien LP Vessel sealer and divider
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8211098, Aug 25 2008 Covidien LP Microwave antenna assembly having a dielectric body portion with radial partitions of dielectric material
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8221416, Sep 28 2007 Covidien LP Insulating boot for electrosurgical forceps with thermoplastic clevis
8235992, Sep 28 2007 Covidien LP Insulating boot with mechanical reinforcement for electrosurgical forceps
8235993, Sep 28 2007 Covidien LP Insulating boot for electrosurgical forceps with exohinged structure
8236025, Sep 28 2007 Covidien LP Silicone insulated electrosurgical forceps
8241282, Jan 24 2006 Covidien LP Vessel sealing cutting assemblies
8241283, Sep 17 2008 Covidien LP Dual durometer insulating boot for electrosurgical forceps
8241284, Apr 06 2001 Covidien AG Vessel sealer and divider with non-conductive stop members
8251996, Sep 28 2007 Covidien LP Insulating sheath for electrosurgical forceps
8257352, Nov 17 2003 Covidien AG Bipolar forceps having monopolar extension
8257387, Aug 15 2008 Covidien LP Method of transferring pressure in an articulating surgical instrument
8267935, Apr 04 2007 Covidien LP Electrosurgical instrument reducing current densities at an insulator conductor junction
8267936, Sep 28 2007 Covidien LP Insulating mechanically-interfaced adhesive for electrosurgical forceps
8277447, Aug 19 2005 Covidien AG Single action tissue sealer
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8298232, Jan 24 2006 Covidien LP Endoscopic vessel sealer and divider for large tissue structures
8298233, Aug 20 2010 Covidien LP Surgical instrument configured for use with interchangeable hand grips
8303582, Sep 15 2008 Covidien LP Electrosurgical instrument having a coated electrode utilizing an atomic layer deposition technique
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8317703, Feb 17 2011 Covidien LP Energy-delivery device including ultrasound transducer array and phased antenna array, and methods of adjusting an ablation field radiating into tissue using same
8317787, Aug 28 2008 Covidien LP Tissue fusion jaw angle improvement
8323275, Jun 19 2009 Covidien LP Laparoscopic port with microwave rectifier
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8343149, Jun 26 2008 Covidien LP Deployable microwave antenna for treating tissue
8348948, Mar 02 2004 Covidien AG Vessel sealing system using capacitive RF dielectric heating
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8361072, Sep 30 2005 Covidien AG Insulating boot for electrosurgical forceps
8366709, Sep 21 2004 Covidien AG Articulating bipolar electrosurgical instrument
8376948, Feb 17 2011 Covidien LP Energy-delivery device including ultrasound transducer array and phased antenna array
8377057, Oct 08 2004 Covidien AG Cool-tip combined electrode introducer
8382754, Mar 31 2005 Covidien AG Electrosurgical forceps with slow closure sealing plates and method of sealing tissue
8388647, Oct 28 2009 Covidien LP Apparatus for tissue sealing
8394095, Sep 30 2005 Covidien AG Insulating boot for electrosurgical forceps
8394096, Nov 19 2003 Covidien AG Open vessel sealing instrument with cutting mechanism
8398626, Oct 08 2004 Covidien AG Electrosurgical system employing multiple electrodes
8409188, Mar 26 2010 Covidien LP Ablation devices with adjustable radiating section lengths, electrosurgical systems including same, and methods of adjusting ablation fields using same
8409246, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8409247, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8425504, Oct 03 2006 Covidien LP Radiofrequency fusion of cardiac tissue
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8430877, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8439911, Sep 09 2009 Covidien LP Compact jaw including through bore pivot pin
8439913, Apr 29 2010 Covidien LP Pressure sensing sealing plate
8454602, May 07 2009 Covidien LP Apparatus, system, and method for performing an electrosurgical procedure
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8469992, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8473077, Sep 16 2009 Covidien LP Perfused core dielectrically loaded dipole microwave antenna probe
8475453, Oct 06 2006 Covidien LP Endoscopic vessel sealer and divider having a flexible articulating shaft
8480665, Sep 07 2007 Covidien LP Cool tip junction
8480671, Jan 22 2010 Covidien LP Compact jaw including split pivot pin
8486057, May 19 2009 Covidien LP Tissue impedance measurement using a secondary frequency
8486107, Oct 20 2008 Covidien LP Method of sealing tissue using radiofrequency energy
8491580, Nov 27 2007 Covidien LP Targeted cooling of deployable microwave antenna and methods of use
8491624, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8491625, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8491626, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8496656, May 15 2003 Covidien AG Tissue sealer with non-conductive variable stop members and method of sealing tissue
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8535312, Sep 25 2008 Covidien LP Apparatus, system and method for performing an electrosurgical procedure
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8535341, Oct 21 2009 Covidien LP Methods for ultrasonic tissue sensing and feedback
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8540712, Aug 20 2010 Covidien LP Surgical instrument configured for use with interchangeable hand grips
8540749, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8551091, Oct 04 2002 Covidien AG Vessel sealing instrument with electrical cutting mechanism
8568397, Apr 28 2010 Covidien LP Induction sealing
8568404, Feb 19 2010 Covidien LP Bipolar electrode probe for ablation monitoring
8568407, Aug 17 2009 Covidien LP Surface ablation antenna with dielectric loading
8568408, Apr 21 2011 Covidien LP Surgical forceps
8568444, Oct 03 2008 Covidien LP Method of transferring rotational motion in an articulating surgical instrument
8574230, Sep 03 2009 Covidien LP Open vessel sealing instrument with pivot assembly
8585736, Jun 02 2010 Covidien LP Apparatus for performing an electrosurgical procedure
8591506, Oct 23 1998 Covidien AG Vessel sealing system
8591510, Sep 18 2008 Covidien LP Vessel sealing instrument with cutting mechanism
8591511, Sep 03 2009 Covidien LP Open vessel sealing instrument with pivot assembly
8597295, Apr 12 2010 Covidien LP Surgical instrument with non-contact electrical coupling
8597296, Nov 17 2003 Covidien AG Bipolar forceps having monopolar extension
8597297, Aug 29 2006 TYCO HEALTHCARE GROUP AG; Covidien AG Vessel sealing instrument with multiple electrode configurations
8603134, Jan 14 2011 Covidien LP Latch mechanism for surgical instruments
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8623017, Nov 19 2003 Covidien AG Open vessel sealing instrument with hourglass cutting mechanism and overratchet safety
8623018, Apr 13 2010 Covidien LP Sealing plate temperature control
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8628527, Aug 05 2009 Covidien LP Directive window ablation antenna with dielectric loading
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8641712, Jul 28 2010 Covidien LP Local optimization of electrode current densities
8641713, Sep 30 2005 Covidien AG Flexible endoscopic catheter with ligasure
8647341, Jun 13 2003 TYCO HEALTHCARE GROUP AG; Covidien AG Vessel sealer and divider for use with small trocars and cannulas
8647343, Jun 23 2010 Covidien LP Surgical forceps for sealing and dividing tissue
8652127, May 26 2010 Covidien LP System and method for chemically cooling an ablation antenna
8652135, Aug 23 2010 Covidien LP Surgical forceps
8655454, Nov 27 2007 Covidien LP Targeted cooling of deployable microwave antenna with cooling chamber
8663222, Sep 07 2010 Covidien LP Dynamic and static bipolar electrical sealing and cutting device
8667674, Jun 09 2008 Covidien LP Surface ablation process with electrode cooling methods
8668689, Sep 30 2005 Covidien AG In-line vessel sealer and divider
8672923, Mar 11 2010 VIVANT MEDICAL LLC Automated probe placement device
8672933, Jun 30 2010 Covidien LP Microwave antenna having a reactively-loaded loop configuration
8672939, Jun 01 2010 Covidien LP Surgical device for performing an electrosurgical procedure
8679098, Sep 13 2011 Covidien LP Rotation knobs for surgical instruments
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8679140, May 30 2012 Covidien LP Surgical clamping device with ratcheting grip lock
8685009, May 16 2011 Covidien LP Thread-like knife for tissue cutting
8685021, Nov 17 2010 Covidien LP Method and apparatus for vascular tissue sealing with active cooling of jaws at the end of the sealing cycle
8685056, Aug 18 2011 Covidien LP Surgical forceps
8696667, Sep 28 2007 Covidien LP Dual durometer insulating boot for electrosurgical forceps
8702737, Aug 08 2011 Covidien LP Surgical forceps
8702749, Jun 09 2011 Covidien LP Lever latch assemblies for vessel sealer and divider
8728067, Mar 08 2010 Covidien LP Microwave antenna probe having a deployable ground plane
8734443, Jan 24 2006 Covidien LP Vessel sealer and divider for large tissue structures
8734445, Sep 07 2010 Covidien LP Electrosurgical instrument with sealing and dissection modes and related methods of use
8740893, Jun 30 2010 Covidien LP Adjustable tuning of a dielectrically loaded loop antenna
8740898, Mar 22 2010 Covidien LP Surgical forceps
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8745840, Jul 11 2011 Covidien LP Surgical forceps and method of manufacturing thereof
8745846, Sep 20 2011 Covidien LP Method of manufacturing handheld medical devices including microwave amplifier unit
8745854, Sep 09 2009 Covidien LP Method for constructing a dipole antenna
8747402, Jan 19 2007 Covidien LP Electrical conductivity probes for measuring attributes of tissue
8747434, Feb 20 2012 Covidien LP Knife deployment mechanisms for surgical forceps
8752264, Mar 06 2012 Covidien LP Surgical tissue sealer
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8764744, Jan 25 2010 Covidien LP System for monitoring ablation size
8764748, Feb 06 2008 Covidien LP End effector assembly for electrosurgical device and method for making the same
8764749, Apr 07 2009 COVIDIEN Jaw closure detection system
8777939, Feb 26 2010 Covidien LP Self-tuning microwave ablation probe
8777945, Jun 29 2007 Covidien LP Method and system for monitoring tissue during an electrosurgical procedure
8784417, Aug 28 2008 Covidien LP Tissue fusion jaw angle improvement
8784418, Nov 29 2010 Covidien LP Endoscopic surgical forceps
8795268, Aug 28 2008 Covidien LP Microwave antenna
8795269, Jul 26 2010 Covidien LP Rotary tissue sealer and divider
8795274, Aug 28 2008 Covidien LP Tissue fusion jaw angle improvement
8801709, Feb 07 2008 Covidien LP Endoscopic instrument for tissue identification
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8845636, Sep 16 2011 Covidien LP Seal plate with insulation displacement connection
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8852180, Oct 28 2009 Covidien LP System and method for monitoring ablation size
8852185, May 19 2011 Covidien LP Apparatus for performing an electrosurgical procedure
8852186, Aug 09 2011 Covidien LP Microwave sensing for tissue sealing
8852228, Jan 13 2009 Covidien LP Apparatus, system, and method for performing an electrosurgical procedure
8858554, May 07 2009 Covidien LP Apparatus, system, and method for performing an electrosurgical procedure
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8888771, Jul 15 2011 Covidien LP Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same
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8894641, Oct 27 2009 Covidien LP System and method for monitoring ablation size
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8945125, Nov 13 2003 Covidien AG Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
8945126, Aug 19 2005 Covidien AG Single action tissue sealer
8945127, Aug 19 2005 Covidien AG Single action tissue sealer
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8968306, Aug 09 2011 Covidien LP Surgical forceps
8968307, Aug 18 2011 Covidien LP Surgical forceps
8968308, Oct 20 2011 Covidien LP Multi-circuit seal plates
8968309, Nov 10 2011 Covidien LP Surgical forceps
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8968313, Jun 12 2012 Covidien LP Electrosurgical instrument with a knife blade stop
8968314, Sep 25 2008 Covidien LP Apparatus, system and method for performing an electrosurgical procedure
8968315, Sep 30 2010 Covidien LP Vessel sealing instrument
8968316, Feb 18 2011 Covidien LP Apparatus with multiple channel selective cutting
8968317, Aug 18 2011 Covidien LP Surgical forceps
8968359, May 04 2010 Covidien LP Surgical forceps
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9028495, Jun 23 2010 Covidien LP Surgical instrument with a separable coaxial joint
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9033981, Dec 10 2008 Covidien LP Vessel sealer and divider
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9039692, Sep 20 2011 Covidien LP Handheld medical devices including microwave amplifier unit at device handle
9039693, Sep 20 2011 Covidien LP Handheld medical devices including microwave amplifier unit at device handle
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9113903, Jan 24 2006 Covidien LP Endoscopic vessel sealer and divider for large tissue structures
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9113907, Sep 18 2008 Covidien LP Vessel sealing instrument with cutting mechanism
9113908, Sep 16 2011 Covidien LP Seal plate with insulation displacement connection
9113909, Sep 01 2011 Covidien LP Surgical vessel sealer and divider
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9113933, May 16 2011 Covidien LP Optical energy-based methods and apparatus for tissue sealing
9113934, May 16 2011 Covidien LP Optical energy-based methods and apparatus for tissue sealing
9113937, Jul 11 2011 Covidien LP Surgical forceps
9113938, Sep 09 2011 Covidien LP Apparatus for performing electrosurgical procedures having a spring mechanism associated with the jaw members
9113940, Jan 14 2011 Covidien LP Trigger lockout and kickback mechanism for surgical instruments
9113941, Aug 27 2009 Covidien LP Vessel sealer and divider with knife lockout
9119630, Apr 21 2011 Covidien LP Surgical forceps
9119647, Nov 12 2010 Covidien LP Apparatus, system and method for performing an electrosurgical procedure
9119648, Jan 06 2012 Covidien LP System and method for treating tissue using an expandable antenna
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9127989, Jun 22 2012 Covidien LP Microwave thermometry for microwave ablation systems
9149323, May 01 2003 Covidien AG Method of fusing biomaterials with radiofrequency energy
9151680, Jun 22 2012 Covidien LP Microwave thermometry for microwave ablation systems
9161806, Feb 24 2012 Covidien LP Vessel sealing instrument with reduced thermal spread and method of manufacture therefor
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