US984756A - Surgical forceps. - Google Patents

Surgical forceps. Download PDF

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Publication number
US984756A
US984756A US1909516717A US984756A US 984756 A US984756 A US 984756A US 1909516717 A US1909516717 A US 1909516717A US 984756 A US984756 A US 984756A
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Prior art keywords
handle
arms
arm
forceps
sleeve
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Expired - Lifetime
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Paul Frisch
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Paul Frisch
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1604Chisels; Rongeurs; Punches; Stamps
    • A61B17/1606Chisels; Rongeurs; Punches; Stamps of forceps type, i.e. having two jaw elements moving relative to each other
    • A61B17/1608Chisels; Rongeurs; Punches; Stamps of forceps type, i.e. having two jaw elements moving relative to each other the two jaw elements being linked to two elongated shaft elements moving longitudinally relative to each other
    • A61B17/1611Chisels; Rongeurs; Punches; Stamps of forceps type, i.e. having two jaw elements moving relative to each other the two jaw elements being linked to two elongated shaft elements moving longitudinally relative to each other the two jaw elements being integral with respective elongate shaft elements

Description

PJPRISGH.

SURGICAL PORCBPS. l APPLICATION FILED SEPT. 8, 1909. Patented Feb. 21, 1911.

z sHEVBTsfsHEBT 1.

P. PRISCHV.- SURGIGAL FORGEPS. APPLICATION FILED SEPT. 8,1909.

Patented 11911.21, 1911.

2 SHEETS-SHEET 2.

cu.. wAsmNaraN, D. c,

THE NaRms PETERS il FFIGF.

` PAUL FRISCH, BERLIN, GERMANY.

sURGIcAL FoRoEPs.

Specification of Letters Patent.

Patented Feb. 21, 1911.

Application filed September 8, 1909. Serial No. 516,717.

To all whom 'it may concern:

Be it known that I, PAUL Frison, a subject of the German Emperor, residing at No. 9 Carlstrasse, Berlin, Germany, have invented new and useful Improvements in Surgical Forceps, of which the following is a specification.

The present invention relates to surgical forceps of the kind in which the cutting edges acting in the manner of jaws, pliers or punches are provided at the ends of branches of the instrument which are guided one upon the other in a sliding manner. In instruments of this kind, the defect is found that, owing to the rigid connection of one of the guiding arms or branches with t-he handle portion, when in use the instrument readily effects a rocking movement or oscillation of both arms around the point at which the connection of the arm displaced along the guide arm is located.

Now in accordance with the resent invention, the defect referred to alliove is obviated by providing the instrument not only with a sliding arm but also pivoting the handle member to the other arm.

An embodiment of the invention is illustrated by way of example in the accompanying drawing, in which Figure l is a side elevation of the forceps; Fig. 2 is a rear elevation of the same; Figs. 3 and 4 illustrate the two handle portions; Figs. 5 and 6 show the two guide arms; Fig. 7 is a detail view of the clip holding the handle portions on the guide arms; Fig. 8 illustrates a modified form of forceps; Fig. 9 is a partial sect-ion of this forceps when the handle portions have been brought together; Figs. l0 and ll illustrate the handle portions of this type of forceps; Fig. l2 represents a similar construction of the forceps, pliers or punch to that shown in F ig. 8 in which one of the sliding arms is constituted as a rod or wire and is guided inside the other arm which constitutes a. sleeve; Fig. 13 represents a section on the line A--B in Fig. l2; and Fig. 14 shows the means for fixing the arm presenting the form of a rod or wire on the rear cheek displaced by one of the handle members.

The two handle members o f comprise short lever arms z' behind the pivot common to them both; these arms preferably connected by disk shaped pivots to the rear ends of the guide arms lm, 7L. Owing to this ljointing of the two arms to the handle members a f, during the use of the instrument the hand is able to remain in approximately the same position without thereby producing any appreciable alteration in the position of the guide arms m 7L or a rocking or oscillating movement of these parts. The reason for this is that each handle member is able to effect thc same angular movement relatively to the other on the pivot common to both parts, while the direction of the guide arms remains unaltered.

In order to render the guide arms of the forceps or their joint portions more stable, the arms m 7L are provided with iianges 0 bearing one against the other between the joint plates of the handle portions; curvilinear slots Z (Figs. 5 and G) are provided in these flanges for the pivot o of the handle portions.

c is a spring clip holding all the'parts together.

In the construction illustrated in Figs. 8 to l0 the handle portions a f do not engage the pivot l) with their short lever arms 7' z' crosswise as` in the Vconstruction described above, but the lever arms are fitted in opposite directions on the plates or cheeks of the handles, the lever arm g/ of the handle portion a extending 'forward and the lever arm 2'- of the handle portion f rearward. In this manner a kind of toggle oint is formed and, as illustrated in Figs. 8' and l0 in broken lines, the central pivot I (at Z2) during the relative movements of the handle members a f slides in the direction of the path II-III as shown by the arrow so that the points II-III sepa-rate in the sense of extending the toggle joint and assume the position shown in Fig. 9. The operation of this form of forceps is more advantageous than that of the first construction, as during the relative displacements of the handle members the short lever arms assume a more extended angular position than in the other position of the handle members and thereby develop an increased force in the pull or push direction of the arms or sliding parts.

In both forms of the instrument described above the parts m L which slide one upon the other can be made relatively thin for their length and the part m, which is subjected to extension strains, can be of smaller cross section or be formed of wire or a flexible strip of metal or the like. This traction member would in this case be guided on the other stronger part L and it is obvious that in this construction it is also possible to curve the two sliding parts in any desired manner. Y

The tools or operative parts situated at the front ends of the sliding parts can be of any suitable arrangement or construction and may either act as forceps or exert a punching or shearing action.

In order that it may be possible to maintain the invariable position of the guide arms of the two jaws with greater exactitude during operation, one or other of these arms may be provided with a rigid extension piece at the rear (not shown) and this piece may comprise a handle or bend of appropriate form to facilitate grasping it.

The construction illustrated in Figs. 12 to 14 differs from the forms of instruments described above only owing to the modified construction of the sliding arms and the method of fixing them to the cheeks m2 h2 which are in engagement with the handle portions. One of the sliding arms is formed as a sleeve It which at one end, which is screw threaded, is screwed into the cheek 71,2 intended to be actuated by the arm y" of the handle member a and is fixed thereon by means of a lock nut h3. The other arm m, which is constituted by a wire, is carried through the sleeve h and fixed in a sleeve m3 mounted on the cheek fm2 which is actuated bv the arm t" of the handle member f. With this object a clipping sleeve 'y is provided inside the sleeve m3 in which it is retained by a fixing nut y. The rear end of the clipping sleeve is provided with a wedge shaped slit ff on each side. A recess m4t internally screw threaded is provided in the rear end of the sleeve m3 and in this recess a nut 00, which is preferably perforated conically, can be screwed for the purpose of compressing the slit end of the clipping sleeve y and thereby retaining Vthe wire m in the sleeve m3 so that it is displaced by the movement of the handle members or of the cheeks mi.

Having now particularly described and ascertained the nature Of my said invention and in what manner the same isto be performed, I declare that what I claim and wish to secure by Letters Patent is In surgical forceps of the type described, the combination of a pair of handle members which are detachably linked to each other by means of a common pivot pin, each member being provided with a short crank or lever arm, said cranks or arms being so positioned angularly with resp-ectk to the handle members that when the latter are drawn together the cranks are spread apart like toggle-links, and a pair of slide-like guided branches provided with cutting or grasping jaws at their front ends, said branches being connected pivotally at their rear ends to the said crank or lever arms, whereby the latter act as a toggle oint.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

PAUL FBIS OH.

Witnesses z HENRY HAsrER, VOLDEMAR HAUPT.

US984756A 1909-09-08 1909-09-08 Surgical forceps. Expired - Lifetime US984756A (en)

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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668537A (en) * 1952-05-16 1954-02-09 Karl A Kapp Surgical instrument
US4043343A (en) * 1975-08-01 1977-08-23 Williams Robert W Forceps
US4084594A (en) * 1976-10-08 1978-04-18 American Hospital Supply Corporation Surgical instrument and handle assembly therefor
US4258716A (en) * 1978-02-06 1981-03-31 The University Of Melbourne Microsurgical instruments
US4669979A (en) * 1985-12-09 1987-06-02 Unitek Corporation Orthodontic plier
US4726367A (en) * 1985-08-19 1988-02-23 Shoemaker David W Surgical instrument for implanting an intraocular lens
DE3711377A1 (en) * 1986-04-14 1988-10-20 I Melbourne Greenberg The surgical instrument
US4877026A (en) * 1988-07-22 1989-10-31 Microline Inc. Surgical apparatus
US5258007A (en) * 1992-05-14 1993-11-02 Robert F. Spetzler Powered surgical instrument
WO1994005223A1 (en) * 1991-06-05 1994-03-17 Harold Markham Surgical device with double jaw actuation
US5312407A (en) * 1992-12-28 1994-05-17 Carter L Philip Rongeur apparatus having an offset bayonet and method of use with microscope during microsurgery
US5314440A (en) * 1992-11-02 1994-05-24 Henry Shapiro Microsurgical scissor apparatus
US5318040A (en) * 1992-08-27 1994-06-07 Kensey Nash Corporation Instruments and methods for performing medical procedures via small percutaneous incisions or punctures without using a trocar
US5336232A (en) * 1991-03-14 1994-08-09 United States Surgical Corporation Approximating apparatus for surgical jaw structure and method of using the same
US5358506A (en) * 1991-03-14 1994-10-25 United States Surgical Corporation Approximating apparatus for surgical jaw structure
US5383886A (en) * 1992-10-13 1995-01-24 Kensey Nash Corporation Methods and instruments for performing medical procedures percutaneously without a trocar
US5437682A (en) * 1993-07-20 1995-08-01 Ideas For Medicine, Inc. Medical knot tying instrument and method for use thereof
US5443476A (en) * 1993-11-12 1995-08-22 Shapiro; Henry Microsurgical scissor apparatus with rotary cutting blade
US5454819A (en) * 1994-03-17 1995-10-03 Nusurg Medical, Inc. Spring biased laparoscopic surgical needle holder
US5507772A (en) * 1993-05-25 1996-04-16 Depuy Inc. Cleanable, inspectable, and replaceable surgical instrument
US5728113A (en) * 1994-10-07 1998-03-17 United States Surgical Corporation Endoscopic vascular suturing apparatus
US5749893A (en) * 1993-04-30 1998-05-12 United States Surgical Corporation Surgical instrument having an articulated jaw structure and a detachable knife
US5769841A (en) * 1995-06-13 1998-06-23 Electroscope, Inc. Electrosurgical apparatus for laparoscopic and like procedures
US5876410A (en) * 1996-07-22 1999-03-02 Phillip J. Petillo Hydraulic powered surgical device
DE19742112A1 (en) * 1997-09-24 1999-03-25 Raible Cnc Technik Surgical slide shaft instrument for cutting
US5908428A (en) * 1997-05-27 1999-06-01 United States Surgical Corporation Stitching devices for heart valve replacement surgery
US5954746A (en) * 1997-10-09 1999-09-21 Ethicon Endo-Surgery, Inc. Dual cam trigger for a surgical instrument
US6716232B1 (en) 1993-04-30 2004-04-06 United States Surgical Corporation Surgical instrument having an articulated jaw structure and a detachable knife
US20040254575A1 (en) * 2003-06-13 2004-12-16 Obenchain Theodore G. Method and apparatus for stabilization of facet joint
WO2005004733A1 (en) * 2003-06-13 2005-01-20 Mckinley Laurence M Method and apparatus for stabilization of facet joint
US20050033274A1 (en) * 1996-10-22 2005-02-10 Epicor Medical, Inc., A Delaware Corporation Apparatus and method for ablating tissue
US20050245918A1 (en) * 1996-10-22 2005-11-03 Sliwa John W Jr Methods and devices for ablation
US20060004352A1 (en) * 1996-10-22 2006-01-05 Matthias Vaska Apparatus and method for diagnosis and therapy of electrophysiological disease
US20060135954A1 (en) * 1996-10-22 2006-06-22 Epicor Medical, Inc. A Delaware Corporation. Methods and devices for ablation
US20060184167A1 (en) * 1996-10-22 2006-08-17 Matthias Vaska Methods and devices for ablation
US20070191714A1 (en) * 1996-10-22 2007-08-16 Cox James L Surgical system and procedure for treatment of medically refractory atrial fibrillation
US20070282324A1 (en) * 1999-07-19 2007-12-06 Matthias Vaska Apparatus and method for diagnosis and therapy of electrophysiological disease
US20070293855A1 (en) * 2002-02-15 2007-12-20 Sliwa John W Jr Methods and devices for ablation
US20080045946A1 (en) * 1997-10-15 2008-02-21 Matthias Vaska Devices and methods for ablating cardiac tissue
US20080091195A1 (en) * 1998-09-21 2008-04-17 Sliwa John W Apparatus and method for ablating tissue
US20100280622A1 (en) * 2004-09-14 2010-11-04 Aeolin, Llc System and method for spinal fusion
US8007494B1 (en) 2006-04-27 2011-08-30 Encision, Inc. Device and method to prevent surgical burns
US20110230799A1 (en) * 2007-04-17 2011-09-22 Christian Steven C Vacuum-Stabilized Ablation System
US8251989B1 (en) 2006-06-13 2012-08-28 Encision, Inc. Combined bipolar and monopolar electrosurgical instrument and method
US8460284B2 (en) 2007-10-26 2013-06-11 Encision, Inc. Multiple parameter fault detection in electrosurgical instrument shields
US8529580B1 (en) * 2012-11-01 2013-09-10 Hasan M. Sh. Sh. Alshemari Surgical grasping instrument with U-shaped jaws in combination with a tympanostomy tube
US8758336B2 (en) 2004-08-17 2014-06-24 Encision, Inc. System and method for monitoring electrosurgical systems
US9314294B2 (en) 2008-08-18 2016-04-19 Encision, Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications
US9833281B2 (en) 2008-08-18 2017-12-05 Encision Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications

Cited By (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668537A (en) * 1952-05-16 1954-02-09 Karl A Kapp Surgical instrument
US4043343A (en) * 1975-08-01 1977-08-23 Williams Robert W Forceps
US4084594A (en) * 1976-10-08 1978-04-18 American Hospital Supply Corporation Surgical instrument and handle assembly therefor
US4258716A (en) * 1978-02-06 1981-03-31 The University Of Melbourne Microsurgical instruments
US4726367A (en) * 1985-08-19 1988-02-23 Shoemaker David W Surgical instrument for implanting an intraocular lens
US4669979A (en) * 1985-12-09 1987-06-02 Unitek Corporation Orthodontic plier
DE3711377A1 (en) * 1986-04-14 1988-10-20 I Melbourne Greenberg The surgical instrument
US4877026A (en) * 1988-07-22 1989-10-31 Microline Inc. Surgical apparatus
US5336232A (en) * 1991-03-14 1994-08-09 United States Surgical Corporation Approximating apparatus for surgical jaw structure and method of using the same
US5358506A (en) * 1991-03-14 1994-10-25 United States Surgical Corporation Approximating apparatus for surgical jaw structure
WO1994005223A1 (en) * 1991-06-05 1994-03-17 Harold Markham Surgical device with double jaw actuation
US5258007A (en) * 1992-05-14 1993-11-02 Robert F. Spetzler Powered surgical instrument
US5318040A (en) * 1992-08-27 1994-06-07 Kensey Nash Corporation Instruments and methods for performing medical procedures via small percutaneous incisions or punctures without using a trocar
US5383886A (en) * 1992-10-13 1995-01-24 Kensey Nash Corporation Methods and instruments for performing medical procedures percutaneously without a trocar
US5314440A (en) * 1992-11-02 1994-05-24 Henry Shapiro Microsurgical scissor apparatus
US5312407A (en) * 1992-12-28 1994-05-17 Carter L Philip Rongeur apparatus having an offset bayonet and method of use with microscope during microsurgery
US5749893A (en) * 1993-04-30 1998-05-12 United States Surgical Corporation Surgical instrument having an articulated jaw structure and a detachable knife
US6716232B1 (en) 1993-04-30 2004-04-06 United States Surgical Corporation Surgical instrument having an articulated jaw structure and a detachable knife
US8403197B2 (en) 1993-04-30 2013-03-26 Covidien Lp Surgical instrument having an articulated jaw structure and a detachable knife
US7658312B2 (en) 1993-04-30 2010-02-09 Vidal Claude A Surgical instrument having an articulated jaw structure and a detachable knife
US8066168B2 (en) 1993-04-30 2011-11-29 Tyco Healthcare Group Lp Surgical instrument having an articulated jaw structure and a detachable knife
US20100114137A1 (en) * 1993-04-30 2010-05-06 Tyco Healthcare Group Lp Surgical instrument having an articulated jaw structure and a detachable knife
US20040193197A1 (en) * 1993-04-30 2004-09-30 Vidal Claude A. Surgical instrument having an articulated jaw structure and a detachable knife
US5507772A (en) * 1993-05-25 1996-04-16 Depuy Inc. Cleanable, inspectable, and replaceable surgical instrument
US5437682A (en) * 1993-07-20 1995-08-01 Ideas For Medicine, Inc. Medical knot tying instrument and method for use thereof
US5443476A (en) * 1993-11-12 1995-08-22 Shapiro; Henry Microsurgical scissor apparatus with rotary cutting blade
US5454819A (en) * 1994-03-17 1995-10-03 Nusurg Medical, Inc. Spring biased laparoscopic surgical needle holder
US5728113A (en) * 1994-10-07 1998-03-17 United States Surgical Corporation Endoscopic vascular suturing apparatus
US5769841A (en) * 1995-06-13 1998-06-23 Electroscope, Inc. Electrosurgical apparatus for laparoscopic and like procedures
US5876410A (en) * 1996-07-22 1999-03-02 Phillip J. Petillo Hydraulic powered surgical device
US8535301B2 (en) 1996-10-22 2013-09-17 St. Jude Medical, Atrial Fibrillation Division, Inc. Surgical system and procedure for treatment of medically refractory atrial fibrillation
US8114069B2 (en) 1996-10-22 2012-02-14 St. Jude Medical, Atrial Fibrillation Division, Inc. Methods and devices for ablation
US20050033274A1 (en) * 1996-10-22 2005-02-10 Epicor Medical, Inc., A Delaware Corporation Apparatus and method for ablating tissue
US20050245918A1 (en) * 1996-10-22 2005-11-03 Sliwa John W Jr Methods and devices for ablation
US20060004352A1 (en) * 1996-10-22 2006-01-05 Matthias Vaska Apparatus and method for diagnosis and therapy of electrophysiological disease
US20060135954A1 (en) * 1996-10-22 2006-06-22 Epicor Medical, Inc. A Delaware Corporation. Methods and devices for ablation
US20060184167A1 (en) * 1996-10-22 2006-08-17 Matthias Vaska Methods and devices for ablation
US20060200119A1 (en) * 1996-10-22 2006-09-07 Matthias Vaska Methods and devices for ablation
US20070066974A1 (en) * 1996-10-22 2007-03-22 Matthias Vaska Methods and devices for ablation
US20070191714A1 (en) * 1996-10-22 2007-08-16 Cox James L Surgical system and procedure for treatment of medically refractory atrial fibrillation
US8177780B2 (en) 1996-10-22 2012-05-15 St. Jude Medical, Atrial Fibrillation Division, Inc. Surgical system and procedure for treatment of medically refractory atrial fibrillation
US8721636B2 (en) 1996-10-22 2014-05-13 St. Jude Medical, Atrial Fibrillation Division, Inc. Apparatus and method for diagnosis and therapy of electrophysiological disease
US8002771B2 (en) 1996-10-22 2011-08-23 St. Jude Medical, Atrial Fibrillation Division, Inc. Surgical system and procedure for treatment of medically refractory atrial fibrillation
US7857811B2 (en) 1996-10-22 2010-12-28 St. Jude Medical, Atrial Fibrillation Division, Inc. Methods and devices for ablation
US7824402B2 (en) 1996-10-22 2010-11-02 St. Jude Medical, Atrial Fibrillation Division, Inc. Methods and devices for ablation
US20080183168A1 (en) * 1996-10-22 2008-07-31 Cox James L Surgical system and procedure for treatment of medically refractory atrial fibrillation
US20090171335A1 (en) * 1996-10-22 2009-07-02 Cox James L Surgical System and Procedure for Treatment of Medically Refractory Atrial Fibrillation
US20090192506A9 (en) * 1996-10-22 2009-07-30 Matthias Vaska Methods and devices for ablation
US7824403B2 (en) 1996-10-22 2010-11-02 St. Jude Medical, Atrial Fibrillation Division, Inc. Methods and devices for ablation
US7674257B2 (en) 1996-10-22 2010-03-09 St. Jude Medical, Atrial Fibrillation Division, Inc. Apparatus and method for ablating tissue
US8057465B2 (en) 1996-10-22 2011-11-15 St. Jude Medical, Atrial Fibrillation Division, Inc. Methods and devices for ablation
US5908428A (en) * 1997-05-27 1999-06-01 United States Surgical Corporation Stitching devices for heart valve replacement surgery
DE19742112A1 (en) * 1997-09-24 1999-03-25 Raible Cnc Technik Surgical slide shaft instrument for cutting
US6443968B1 (en) 1997-10-09 2002-09-03 Ethicon Endo-Surgery, Inc. Dual cam trigger for a surgical instrument
US5954746A (en) * 1997-10-09 1999-09-21 Ethicon Endo-Surgery, Inc. Dual cam trigger for a surgical instrument
US20080045946A1 (en) * 1997-10-15 2008-02-21 Matthias Vaska Devices and methods for ablating cardiac tissue
US8709007B2 (en) 1997-10-15 2014-04-29 St. Jude Medical, Atrial Fibrillation Division, Inc. Devices and methods for ablating cardiac tissue
US20070293854A1 (en) * 1998-09-21 2007-12-20 Benjamin Pless Apparatus and method for ablating tissue
US20080091195A1 (en) * 1998-09-21 2008-04-17 Sliwa John W Apparatus and method for ablating tissue
US8308719B2 (en) 1998-09-21 2012-11-13 St. Jude Medical, Atrial Fibrillation Division, Inc. Apparatus and method for ablating tissue
US8211096B2 (en) 1998-09-21 2012-07-03 St. Jude Medical, Atrial Fibrillation Division, Inc. Apparatus and method for ablating tissue
US9055959B2 (en) 1999-07-19 2015-06-16 St. Jude Medical, Atrial Fibrillation Division, Inc. Methods and devices for ablation
US20070282324A1 (en) * 1999-07-19 2007-12-06 Matthias Vaska Apparatus and method for diagnosis and therapy of electrophysiological disease
US20070293855A1 (en) * 2002-02-15 2007-12-20 Sliwa John W Jr Methods and devices for ablation
WO2005004733A1 (en) * 2003-06-13 2005-01-20 Mckinley Laurence M Method and apparatus for stabilization of facet joint
US20040254575A1 (en) * 2003-06-13 2004-12-16 Obenchain Theodore G. Method and apparatus for stabilization of facet joint
US7749251B2 (en) 2003-06-13 2010-07-06 Aeolin, Llc Method and apparatus for stabilization of facet joint
US8758336B2 (en) 2004-08-17 2014-06-24 Encision, Inc. System and method for monitoring electrosurgical systems
US8562683B2 (en) 2004-09-14 2013-10-22 Aeolin Llc System and method for spinal fusion
US20100280622A1 (en) * 2004-09-14 2010-11-04 Aeolin, Llc System and method for spinal fusion
US8007494B1 (en) 2006-04-27 2011-08-30 Encision, Inc. Device and method to prevent surgical burns
US8251989B1 (en) 2006-06-13 2012-08-28 Encision, Inc. Combined bipolar and monopolar electrosurgical instrument and method
US9314298B2 (en) 2007-04-17 2016-04-19 St. Jude Medical, Atrial Fibrillation Divisions, Inc. Vacuum-stabilized ablation system
US20110230799A1 (en) * 2007-04-17 2011-09-22 Christian Steven C Vacuum-Stabilized Ablation System
US8460284B2 (en) 2007-10-26 2013-06-11 Encision, Inc. Multiple parameter fault detection in electrosurgical instrument shields
US9254165B2 (en) 2007-10-26 2016-02-09 Encision, Inc. Multiple parameter fault detection in electrosurgical instrument shields
US9757183B2 (en) 2007-10-26 2017-09-12 Encision Inc. Multiple parameter fault detection in electrosurgical instrument shields
US9314294B2 (en) 2008-08-18 2016-04-19 Encision, Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications
US9833281B2 (en) 2008-08-18 2017-12-05 Encision Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications
US8529580B1 (en) * 2012-11-01 2013-09-10 Hasan M. Sh. Sh. Alshemari Surgical grasping instrument with U-shaped jaws in combination with a tympanostomy tube

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