US1222478A - Speculum. - Google Patents

Speculum. Download PDF

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US1222478A
US1222478A US9658516A US9658516A US1222478A US 1222478 A US1222478 A US 1222478A US 9658516 A US9658516 A US 9658516A US 9658516 A US9658516 A US 9658516A US 1222478 A US1222478 A US 1222478A
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members
speculum
dilating
fulcrum
plates
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US9658516A
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Philip A Sheaff
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/32Devices for opening or enlarging the visual field, e.g. of a tube of the body

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  • PHILIP A SHEAFF, 0F PHILADELPHIA, PENNSYLVANIA.
  • One object of my invention is to provide a vaginal speculum particularly adapted for use in the diagnosis and treatment of certain diseases in infants and children ;the various parts of the instrument being of such a nature as to be few in number and simple in construction.
  • Another object of the invention is to provide a speculum with a lighting attachment in such relation to its dilating members as will permit of an unobstructed view of relatively extended surfaces of membrane, etc., within the vagina adjacent the ends and sides of said members; the latter being designed to allow of an examination of said membrane at the end of the speculum even when it is not dilated.
  • Another object of my invention is to provide a speculum with a novel form of dilat ing means whereby it is possible to obtain the above noted desirable results.
  • Figures 1 and 2 are side elevations illustrating a speculum constructed in accordance with my invention, in its collapsed and dilated conditions respectively;
  • Fig. 8 is a rear elevation of the instrument shown in Figs. 1 and 2;
  • Fig. 4 is a vertical section on the line 4l4, Fig. 3;
  • Fig. 5 is a detached perspective view of the main parts of the speculum.
  • FIG. 1 represents an elongated, practically semi-cylindrical dilating member, to one end of which is fixed a semi-annular plate 2 having concentrically fixed to or integral with it a ring 3 of the same diameter.
  • the straight edge of the plate 2 is concaved for the reception of the correspondingly formed projecting portions which is threaded into an opening 9 in the plate 4.
  • an open tube 11 Fixed in any suitable manner within and lying substantially parallel with the inner wall of the member 1 is an open tube 11 which at one end is substantially flush with the outer surface of the plate 2 and terminates adjacent the opposite end of the member 1, there being provided an elongated window or opening 12 in said latter end of this tube.
  • An incandescent lamp 13 is carried in a socket 1 1 mounted on one end of a second tube 15 which may be removably entered in the tube 11 so that said lamp lies immediately adjacent the window 12, the outer end 16 of said tube 15 being preferably enlarged and bent substantially at a right angle so as to fit into a holding clip 18 on the plate 2.
  • the extremity 17 of the part 16 of the lamp tube is again bent at an angle, so that when mounted in the speculum it projects at an acute angle to the general line of the members 1 and 6, it being understood that an electrical conductor leads from a suitable terminal in the socket 1a through the tube 15-l6 into the terminal portion 17 thereof, where it is connected to a central end terminal, it being noted that the tube itself constitutes the second conductor by which current flows to the lamp from said portion 17.
  • An obturator 19 is provided in the form of an elongated rod having a longitudinally extending groove or recess 20 for a major portion of its length and including an enlargement 21 at its bluntly pointed outer end ;its opposite end having a flange 22 designed to limit its entrance into the tubular structureformed by the two members .1 and 6. Beyond said flange the obturator is provided with a handle 23 whiclris cut away at one side to permit of the introduction or withdrawal of the lamp and its tube 15 while; said obturator is in place.
  • the recess 20 1s obviously provided to permit of the introduction of the obturator between the mem quizd throughthe hymen into the vagina until the inner faces of the plates 2 and 1 lie against the external genitals of the patient.
  • the obturator is then withdrawn and the lam is lighted, being connected to a source 0 current by suitable conductors engaging the part 17 and its central end terminal respectively, or it may be lighted before placing in position in the speculum.
  • the dilating members 1 and 6 are caused to swing on the hinge or pivot projections 5 as afulcrum so that their distant or inner ends are more or less widely separated, it being particularly noted that because of the construction illustrated, this separation of the members is accomplished with but relatively slight dilatation of the hymen, since this latter is engaged by the portions of the members 1 and 6 immediately adjacent the plates'2 and t which have but a slight relative movement.
  • the membranes constituting the walls of'the vagina adja cent the widely separated sides of the members 1 and 6 as well as'the external mouth of the uterus at the ends of said members, are thus brightly illuminated and may be examined with the utmost ease through the opening in 'thering 3.
  • Anyfdesired treatment maythen be administered "by' suitable instruments introduced through the [opening in the ring 3 andapplied to any desired portion of the comparatively large expanse of membranes exposed ;”it being particularly noted that by reason of the substantially circular section of the tubular structureformedby the,
  • the'inStrument may be turned on its longitudinal axis when said members are in their collapsed condition, so as to dilate the vagina in any desired plane.
  • a speculum consisting of two elongated substantially semi-cylindrical dilating members having laterally projecting portions at one end and a connecting fulcrum in a transverse plane including said portions;
  • a speculum consistingof two elongated substantially semi-cylindrical dilating mem bers; semi annular pivotally engaged plates respectively mounted on one pair of the adjacent ends of said members and lying in a plane including their pivotal line when the dilating members are in their normal posi tions; and means operative "onsaid plates for separating the adjacent ends of said members distant fromsaid plates,
  • a speculum consisting of two elongated dilating members each havinga substantially semi-annular plate at one end, extend 111g at right anglesand in pivotal engage ment with the other plate; and meansfor swinging one of 7 said members on, its plvot other to separate their CllS-,
  • a speculum consisting of two elongated substantially semi cylindrical dilating-mem-l bers each havinga laterally projectingsemt annular plate mounted on one end; a portion of the diametrical edge ofone of'the plates being concaved and the corresponding part, of the other edge beingconvexed to coact with said first plate as a fulcrum-;"lwithf means acting to hold said members together and also adjustable toswing one of them: on its fulcrum so as to separate their-"distant ends.
  • a speculum consisting of two equally elongated substantially semicylindrical members fulcrumed together at one end and provided with oppositely projecting extensions immediately adjacent said fulcrum, one of the members having a semi-annular element projecting from its extension at an angle to the plane thereof in position to lie over the extension of the other element; with a dilating screw operative between said extension and the element to swing one of the dilating members on its fulcrum.
  • a speculum consisting of two equally elongated substantially semi-cylindrical dilating members together forming a tube of uniform diameter open at both ends; flat laterally projecting plates mounted on said members and having complementary fulcrum portions; and means for swinging one of said members on the fulcrum portion of the other to separate their distant ends.
  • a speculum consisting of two elongated substantially semi-cylindrical dilating members having oppositely projecting semiannular plates fixed to them respectively at one end and fulcrumed together at their adjacent edges; a tube extending substantially from end to end of one of said members wholly within the same and having an opening for a lamp; an obturator formed to fit the tubular structure constituted by said members without interference from the tube; and means for swinging one of said members on their fulcrum to separate their ends adjacent the lamp opening.

Description

P. A. SHEAFF.
SPECULUM.
APPLICATION FILED MAY I0, 1916.
LQQQAYu Patented Apr. 10, 1917.
PHILIP A. SHEAFF, 0F PHILADELPHIA, PENNSYLVANIA.
SPECULUM.
Specification of Letters Patent.
Patented Apr. 1d, 1217..
Application filed May 10, 1916. Serial No. 96,585.
To all whom it may concern:
Be it known that I, PHILIP A. SHEAIF, a citizen of the United States, residing in Philadelphia, Pennsylvania, have invented a Speculum, of which the following is a specification.
One object of my invention is to provide a vaginal speculum particularly adapted for use in the diagnosis and treatment of certain diseases in infants and children ;the various parts of the instrument being of such a nature as to be few in number and simple in construction.
It is further desired to provide a speculum for the above noted use by which it shall be possible to secure a maximum dilatation of the inner portions of the vagina with a minimum dilatation of the hymen ;the parts being especially designed to avoid excessive stretching or rupture of the hymen.
Another object of the invention is to provide a speculum with a lighting attachment in such relation to its dilating members as will permit of an unobstructed view of relatively extended surfaces of membrane, etc., within the vagina adjacent the ends and sides of said members; the latter being designed to allow of an examination of said membrane at the end of the speculum even when it is not dilated.
Another object of my invention is to provide a speculum with a novel form of dilat ing means whereby it is possible to obtain the above noted desirable results.
These objects and other advantageous ends I secure as hereinafter set forth, reference being had to the accompanying drawings, in which,
Figures 1 and 2 are side elevations illustrating a speculum constructed in accordance with my invention, in its collapsed and dilated conditions respectively;
Fig. 8 is a rear elevation of the instrument shown in Figs. 1 and 2;
Fig. 4: is a vertical section on the line 4l4, Fig. 3; and
Fig. 5 is a detached perspective view of the main parts of the speculum.
In the above drawings 1 represents an elongated, practically semi-cylindrical dilating member, to one end of which is fixed a semi-annular plate 2 having concentrically fixed to or integral with it a ring 3 of the same diameter. The straight edge of the plate 2 is concaved for the reception of the correspondingly formed projecting portions which is threaded into an opening 9 in the plate 4.
The various parts are so proportioned that when the hinge or pivotal projections 5 of the plate 4 lie within their recesses 10 in the edge of the plate 2, and the thumb screw 8 is passed through the opening 7 into the opening 9, the two structures 23, and a-c are movably connected, and when their outer ends are practically in contact, the outer surface of the plate l is spaced away from the adjacent face of the ring 3.
Fixed in any suitable manner within and lying substantially parallel with the inner wall of the member 1 is an open tube 11 which at one end is substantially flush with the outer surface of the plate 2 and terminates adjacent the opposite end of the member 1, there being provided an elongated window or opening 12 in said latter end of this tube. An incandescent lamp 13 is carried in a socket 1 1 mounted on one end of a second tube 15 which may be removably entered in the tube 11 so that said lamp lies immediately adjacent the window 12, the outer end 16 of said tube 15 being preferably enlarged and bent substantially at a right angle so as to fit into a holding clip 18 on the plate 2. The extremity 17 of the part 16 of the lamp tube is again bent at an angle, so that when mounted in the speculum it projects at an acute angle to the general line of the members 1 and 6, it being understood that an electrical conductor leads from a suitable terminal in the socket 1a through the tube 15-l6 into the terminal portion 17 thereof, where it is connected to a central end terminal, it being noted that the tube itself constitutes the second conductor by which current flows to the lamp from said portion 17.
An obturator 19 is provided in the form of an elongated rod having a longitudinally extending groove or recess 20 for a major portion of its length and including an enlargement 21 at its bluntly pointed outer end ;its opposite end having a flange 22 designed to limit its entrance into the tubular structureformed by the two members .1 and 6. Beyond said flange the obturator is provided with a handle 23 whiclris cut away at one side to permit of the introduction or withdrawal of the lamp and its tube 15 while; said obturator is in place. The recess 20 1s obviously provided to permit of the introduction of the obturator between the mem duced throughthe hymen into the vagina until the inner faces of the plates 2 and 1 lie against the external genitals of the patient. The obturator is then withdrawn and the lam is lighted, being connected to a source 0 current by suitable conductors engaging the part 17 and its central end terminal respectively, or it may be lighted before placing in position in the speculum.
If now the thumb screw 8 be turned in the proper direction, the dilating members 1 and 6 are caused to swing on the hinge or pivot projections 5 as afulcrum so that their distant or inner ends are more or less widely separated, it being particularly noted that because of the construction illustrated, this separation of the members is accomplished with but relatively slight dilatation of the hymen, since this latter is engaged by the portions of the members 1 and 6 immediately adjacent the plates'2 and t which have but a slight relative movement. The membranes constituting the walls of'the vagina adja cent the widely separated sides of the members 1 and 6 as well as'the external mouth of the uterus at the ends of said members, are thus brightly illuminated and may be examined with the utmost ease through the opening in 'thering 3.
Anyfdesired treatment maythen be administered "by' suitable instruments introduced through the [opening in the ring 3 andapplied to any desired portion of the comparatively large expanse of membranes exposed ;"it being particularly noted that by reason of the substantially circular section of the tubular structureformedby the,
dilating ,membe'rs, the'inStrument may be turned on its longitudinal axis when said members are in their collapsed condition, so as to dilate the vagina in any desired plane.
Obviously by'turning the screw 8 in a direc tion the reverse of that required for the separation of themembers l and 2, these are causedto approach each other, until.
when they are practically in contact the instrument may bewithdrawnn One of the most valuablejfeatures of the above described instrument'resides in the provision of the fulcrum for the dilating members in or immediately adjacent the plane of the plates 2' and 4, thus making it possible to leave ,the hymen, which is within a short 'distan'ce'ofs'aid plates, practically unaffected by the comparatively Wide separation of said dilating members.
I claim 1. A speculum consisting of two elongated substantially semi-cylindrical dilating members having laterally projecting portions at one end and a connecting fulcrum in a transverse plane including said portions;
and means for swinging one. of said niem-,
bers on said fulcrum, to separate the distant parts of the members, the parts of said dilat ing members adjacent their laterally project ing portions being so plac ed relatively to 'the fulcrum as to be substantially without dilating action whentheir distant ends are a separated.
2. A speculum consistingof two elongated substantially semi-cylindrical dilating mem bers; semi annular pivotally engaged plates respectively mounted on one pair of the adjacent ends of said members and lying in a plane including their pivotal line when the dilating members are in their normal posi tions; and means operative "onsaid plates for separating the adjacent ends of said members distant fromsaid plates,
3'. A speculum consisting of two elongated dilating members each havinga substantially semi-annular plate at one end, extend 111g at right anglesand in pivotal engage ment with the other plate; and meansfor swinging one of 7 said members on, its plvot other to separate their CllS-,
relatively to the tant ends."
4:. A speculum consistingof twoelongated substantially semi cyIindric al dilating niem "I05 bers each having a laterally projecting plate mounted on one end; a portion of the j dia-Q metrical edge of one of the plates jbeing con-l cave and the corresponding edge of the other. being convex to coact with saidfirstplatefas a fulcrum; with means for swinging said plates on such fulcrum to separate their tant ends.
5'; A speculum consisting of two elongated substantially semi cylindrical dilating-mem-l bers each havinga laterally projectingsemt annular plate mounted on one end; a portion of the diametrical edge ofone of'the plates being concaved and the corresponding part, of the other edge beingconvexed to coact with said first plate as a fulcrum-;"lwithf means acting to hold said members together and also adjustable toswing one of them: on its fulcrum so as to separate their-"distant ends.
at one end; substantially fiat plates respectlvely fixed on said members a connecting 6; "Aspeculum consisting oftwo elongated r dilating members .of v uniformv section throughout their length, fulcrumed together element fixed to one of the members and projecting over the plate of the other; with a screw mounted in said latter plate and engaging said connecting element for swinging one of the members on the fulcrum to separate their distant ends.
7 A speculum consisting of two equally elongated substantially semicylindrical members fulcrumed together at one end and provided with oppositely projecting extensions immediately adjacent said fulcrum, one of the members having a semi-annular element projecting from its extension at an angle to the plane thereof in position to lie over the extension of the other element; with a dilating screw operative between said extension and the element to swing one of the dilating members on its fulcrum.
8. The combination in a speculum of two dilating members together forming a tubular structure; a ring substantially concentric with said structure mounted on one of said members; a projection mounted on the other member and formed with semi-cylindrical diametrically arranged projections removably fitting correspondingly formed recesses in the first member adjacent the ring; with a screw extending through the ring into the projection of the second member for separating the distant ends of said a members.
9. A speculum consisting of two equally elongated substantially semi-cylindrical dilating members together forming a tube of uniform diameter open at both ends; flat laterally projecting plates mounted on said members and having complementary fulcrum portions; and means for swinging one of said members on the fulcrum portion of the other to separate their distant ends.
10. A speculum consisting of two elongated substantially semi-cylindrical dilating members having oppositely projecting semiannular plates fixed to them respectively at one end and fulcrumed together at their adjacent edges; a tube extending substantially from end to end of one of said members wholly within the same and having an opening for a lamp; an obturator formed to fit the tubular structure constituted by said members without interference from the tube; and means for swinging one of said members on their fulcrum to separate their ends adjacent the lamp opening.
PHILIP A. SHEAFF.
Gopiea of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.
US9658516A 1916-05-10 1916-05-10 Speculum. Expired - Lifetime US1222478A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544914A (en) * 1945-07-18 1951-03-13 William J Cameron Inspection device
US3324850A (en) * 1964-04-08 1967-06-13 Aubern Instr Corp Illuminated vaginal speculum with rotatable cam pivoting and locking means
US3664330A (en) * 1969-09-12 1972-05-23 Harold L Deutsch Fiber optic medical tool
US4156424A (en) * 1978-05-01 1979-05-29 Burgin Kermit H Locking adjustable speculum
US4300541A (en) * 1979-02-09 1981-11-17 Kermit Burgin Speculum lens structure
US5785648A (en) * 1996-10-09 1998-07-28 David Min, M.D., Inc. Speculum
US20030191371A1 (en) * 2002-04-05 2003-10-09 Smith Maurice M. Devices and methods for percutaneous tissue retraction and surgery
US20040082958A1 (en) * 2001-03-01 2004-04-29 Michelson Gary K. Dynamic guard and method for use thereof
US20070213739A1 (en) * 2001-03-01 2007-09-13 Sdgi Holdings, Inc. Method for using dynamic lordotic guard with movable extensions for creating an implantation space posteriorly in the lumbar spine
US20080207988A1 (en) * 2007-02-28 2008-08-28 Hanes Charles R Apparatus and method for organ suspension
US20100280627A1 (en) * 2009-04-30 2010-11-04 Boston Scientific Scimed, Inc. Dissection and retraction device for vaginal sacral colpopexy
US20110218444A1 (en) * 2010-03-02 2011-09-08 Civco Medical Instruments Co., Inc. Hinged reusable endocavity needle guide
US8496664B2 (en) 2001-02-04 2013-07-30 Warsaw Orthopedic, Inc. Method for using lordotic guard with moveable extensions for creating an implantation space posteriorly in the lumbar spine
US20170172404A1 (en) * 2005-04-01 2017-06-22 Welch Allyn, Inc. Vaginal speculum apparatus
US9907582B1 (en) 2011-04-25 2018-03-06 Nuvasive, Inc. Minimally invasive spinal fixation system and related methods

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544914A (en) * 1945-07-18 1951-03-13 William J Cameron Inspection device
US3324850A (en) * 1964-04-08 1967-06-13 Aubern Instr Corp Illuminated vaginal speculum with rotatable cam pivoting and locking means
US3664330A (en) * 1969-09-12 1972-05-23 Harold L Deutsch Fiber optic medical tool
US4156424A (en) * 1978-05-01 1979-05-29 Burgin Kermit H Locking adjustable speculum
US4300541A (en) * 1979-02-09 1981-11-17 Kermit Burgin Speculum lens structure
US5785648A (en) * 1996-10-09 1998-07-28 David Min, M.D., Inc. Speculum
US8496664B2 (en) 2001-02-04 2013-07-30 Warsaw Orthopedic, Inc. Method for using lordotic guard with moveable extensions for creating an implantation space posteriorly in the lumbar spine
US20050043741A1 (en) * 2001-03-01 2005-02-24 Michelson Gary K. Retractor for percutaneous surgery in a patient and method for use thereof
US7955360B2 (en) 2001-03-01 2011-06-07 Warsaw Orthopedic, Inc. Method for using dynamic lordotic guard with movable extensions for creating an implantation space posteriorly in the lumbar spine
US20070016220A1 (en) * 2001-03-01 2007-01-18 Sdgi Holding, Inc. Method for using dynamic lordotic guard
US9211198B2 (en) 2001-03-01 2015-12-15 Warsaw Orthopedic, Inc. Method for using a guard for creating a socket posteriorly in the lumbar spine
US20040082958A1 (en) * 2001-03-01 2004-04-29 Michelson Gary K. Dynamic guard and method for use thereof
US20070213739A1 (en) * 2001-03-01 2007-09-13 Sdgi Holdings, Inc. Method for using dynamic lordotic guard with movable extensions for creating an implantation space posteriorly in the lumbar spine
US8764755B2 (en) 2001-03-01 2014-07-01 Warsaw Orthopedic, Inc. Method for using a guard for creating a socket posteriorly in the lumbar spine
US9597202B2 (en) 2001-03-01 2017-03-21 Warsaw Orthopedic, Inc. Method for using a guard for creating a socket posteriorly in the spine
US8372079B2 (en) 2001-03-01 2013-02-12 Warsaw Orthopedic, Inc. Dynamic guard and method for use thereof
US7998143B2 (en) 2001-03-01 2011-08-16 Warsaw Orthopedic, Inc. Dynamic guard
US7867238B2 (en) 2001-03-01 2011-01-11 Warsaw Orthopedic, Inc. Method for using dynamic lordotic guard
US7909832B2 (en) 2001-03-01 2011-03-22 Warsaw Orthopedic, Inc. Retractor for percutaneous surgery in a patient and method for use thereof
US7261688B2 (en) * 2002-04-05 2007-08-28 Warsaw Orthopedic, Inc. Devices and methods for percutaneous tissue retraction and surgery
USRE46134E1 (en) 2002-04-05 2016-09-06 Warsaw Othopedic, Inc. Devices and methods for percutaneous tissue retraction and surgery
US7988624B2 (en) 2002-04-05 2011-08-02 Warsaw Orthopedic, Inc. Devices and methods for percutaneous tissue retraction and surgery
USRE46403E1 (en) * 2002-04-05 2017-05-16 Warsaw Orthopedic, Inc. Devices and methods for percutaneous tissue retraction and surgery
US20030191371A1 (en) * 2002-04-05 2003-10-09 Smith Maurice M. Devices and methods for percutaneous tissue retraction and surgery
EP1994889A2 (en) * 2002-04-05 2008-11-26 Warsaw Orthopedic, Inc. Devices for percutaneous tissue retraction
EP1994889B1 (en) * 2002-04-05 2017-02-22 Warsaw Orthopedic, Inc. Devices for percutaneous tissue retraction
EP2258276A3 (en) * 2002-04-05 2014-04-23 Warsaw Orthopedic, Inc. Devices for percutaneous tissue retraction
USRE46148E1 (en) 2002-04-05 2016-09-20 Warsaw Orthopedic, Inc. Devices and methods for percutaneous tissue retraction and surgery
US20070270655A1 (en) * 2002-04-05 2007-11-22 Smith Maurice M Devices and methods for percutaneous tissue retraction and surgery
US7981030B2 (en) 2002-04-05 2011-07-19 Warsaw Orthopedic, Inc. Devices and methods for percutaneous tissue retraction and surgery
US20070118023A1 (en) * 2002-04-05 2007-05-24 Smith Maurice M Devices and methods for percutaneous tissue retraction and surgery
US9949633B2 (en) * 2005-04-01 2018-04-24 Welch Allyn, Inc. Vaginal speculum apparatus
US10376138B2 (en) 2005-04-01 2019-08-13 Welch Allyn, Inc. Vaginal speculum apparatus
US9883792B2 (en) 2005-04-01 2018-02-06 Welch Allyn, Inc. Vaginal speculum apparatus
US11291359B2 (en) 2005-04-01 2022-04-05 Welch Allyn, Inc. Vaginal speculum apparatus
US20170172404A1 (en) * 2005-04-01 2017-06-22 Welch Allyn, Inc. Vaginal speculum apparatus
US8734319B2 (en) 2007-02-28 2014-05-27 Boston Scientific Scimed, Inc. Apparatus for organ suspension
US20080207988A1 (en) * 2007-02-28 2008-08-28 Hanes Charles R Apparatus and method for organ suspension
US20100280627A1 (en) * 2009-04-30 2010-11-04 Boston Scientific Scimed, Inc. Dissection and retraction device for vaginal sacral colpopexy
US8998803B2 (en) * 2009-04-30 2015-04-07 Boston Scientific Scimed, Inc. Dissection and retraction device for vaginal sacral colpopexy
US10603074B2 (en) 2009-04-30 2020-03-31 Boston Scientific Scimed, Inc. Dissection and retraction device for vaginal sacral colpopexy
US20110218444A1 (en) * 2010-03-02 2011-09-08 Civco Medical Instruments Co., Inc. Hinged reusable endocavity needle guide
US9149251B2 (en) * 2010-03-02 2015-10-06 Civco Medical Instruments Co., Inc. Hinged reusable endocavity needle guide
US10716600B1 (en) 2011-04-25 2020-07-21 Nuvasive, Inc. Minimally invasive spinal fixation system
US9907582B1 (en) 2011-04-25 2018-03-06 Nuvasive, Inc. Minimally invasive spinal fixation system and related methods
US11596453B2 (en) 2011-04-25 2023-03-07 Nuvasive, Inc. Minimally invasive spinal fixation system

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