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Publication numberUS1796072 A
Publication typeGrant
Publication dateMar 10, 1931
Filing dateOct 25, 1928
Priority dateOct 25, 1928
Publication numberUS 1796072 A, US 1796072A, US-A-1796072, US1796072 A, US1796072A
InventorsBaer Walter K
Original AssigneeBaer Walter K
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Speculum
US 1796072 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

W. K. BAER March 10, 1931.

srncuwu Filed Oct. 25. 1928 gvmwtoo Warez? A. 54:?

Patented Mar. 10, 1931 PATENT GEFFEQE;

WALTER K. BAER, OF LANCASTER, PENNSYLVANIA srncunum Application filed October 25, 1928.

This invention relates to a novel form and construction of speculum or surgical instrument used to dilate certain passages of the body.

A particular object of my invention is to simplify intra-nasal spraying and treatment by providing a speculum readily inserted by the tips of the thumb and forefinger of one hand and readily enlarged by a slight pressure of the same thumb and forefinger, leaving the remainder of the hand free for other purposes.

A further object of my invention is to provide a speculum of substantially the form ofa funnel, with such expanding and contracting means that it will be uniformly varied in size, retaining its funnel form, throughout its length upon contraction or expansion for dilation purposes.

A still further object is to provide a novel form of expansion actuation means, simple in nature and convenient and eflicient in operation.

With the foregoing and other objects in view, the invention consists in the combination and arrangement of parts, and in the details of construction, hereinafter disclosed, certain embodiments of my invention being illustrated in the accompanying drawings, in which- Figure 1 is a top plan view of my device in contracted position;

Figure 2 is a similar view of my device in partially expanded position;

Figure 3 is a view in vertical section taken along line 3-3 of Figure 1.

Referring more particularly to the drawings the speculum comprises two separate sections 1 and 2, forming together a funnelshaped instrument. On the inner walls of sections 1 and 2 are arranged guide pieces 9 and 10 respectively.

The expanding, or adjusting means, comprises hand pieces 8 and 4 with integral bars 5 and 6, respectively. The bar 5, protruding from section 1, extends through both guides 9 and 10 and is secured to the inner wall of section 2. Bar 6 likewise extends through guides 9 and 10, in parallel relation to bar 5, and is secured to section 1.

Serial No. 314,932.

Thus to expand the speculum, a slight inward pressure on the band pieces 8 and 4, s1- multaneously, causes the sections 1 and 2 to become separated uniformly throughout spectively, for convenient application of in- 9.:

ward pressure by hand.

In operation the speculum being fully contracted, the end 11, having the smaller calibre is inserted in the nasal, or other cavity of the body, and a slight pressure by the thumb and forefinger of one hand to effect the proper (.egree of dilation of the cavity for treatment. To contract the speculum to withdraw same from the cavity, it is only necessary to push inwardly on the ears 7 and 8 with the same thumb and forefinger without releasing the grip on the speculum, the remainder of the hand and all of the other hand being free throughout the operation for other purposes.

There are certain modifications possible in my device such as the additional provision of a spring operated means to either keep the device normally contracted or normally expanded, and it is therefore not my desire to limit the scope of the invention to the actual details shown in the drawings to the exclusion of apparent modifications thereof.

Having thus described my invention what I claim is 1. In a surgical speculum, a pair of attached separable sections forming together a substantially funnel-shaped device, means for expanding and contracting said device by varying the degree of separation of said sections uniformly throughout their length, guide pieces secured to the inner adjacent walls of said sections, said expanding means comprising a bar connected to the inner wall of each section and passing in parallel relation to each other through said guide pieces, and passing through the wall of the opposite section, hand pieces integrally attached to the other extremity of each of said bars and adapted to receive simultaneous inward pressure to separate said sections, and said contracting means comprising ears attached on opposite sides of the outer Walls of said sections and adapted to receive inward pressure to bring said sections together.

2. In a surgical speculum, a pair of attached separable sections formingtogether, a substantially funnel-shaped device, means for expanding and contracting said device by varying the degree of separation of said sect-ions uniformly throughout their length,

said expanding means comprising two lateral bars'each of which is secured to one of sald sectlons, each of the oppos te sections being slidably mountedon each of said bars,

.said bars, upon the application of simultaneous. inward pressure, being adapted to separate said sections.

In testimony whereof I afiix my signature. ;K. BAER.

Referenced by
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US3596653 *Aug 27, 1968Aug 3, 1971Hotchkiss Instr IncEndoscope with coincident illumination and viewing
US4202324 *Mar 30, 1978May 13, 1980Alison W EvansEquine vaginal speculum
US5836503 *Apr 22, 1996Nov 17, 1998United States Surgical CorporationInsertion device for surgical apparatus
US7594888 *Oct 21, 2005Sep 29, 2009Depuy Spine, Inc.Expandable ports and methods for minimally invasive surgery
US7867238Jan 11, 2011Warsaw Orthopedic, Inc.Method for using dynamic lordotic guard
US7909832Mar 22, 2011Warsaw Orthopedic, Inc.Retractor for percutaneous surgery in a patient and method for use thereof
US7914530Mar 29, 2011Warsaw Orthopedic, Inc.Tissue dilator and method for performing a spinal procedure
US7955360May 1, 2007Jun 7, 2011Warsaw Orthopedic, Inc.Method for using dynamic lordotic guard with movable extensions for creating an implantation space posteriorly in the lumbar spine
US7976463Jan 2, 2009Jul 12, 2011Warsaw Orthopedic, Inc.Instruments and methods for minimally invasive tissue retraction and surgery
US7981030Jul 19, 2011Warsaw Orthopedic, Inc.Devices and methods for percutaneous tissue retraction and surgery
US7988624Dec 14, 2006Aug 2, 2011Warsaw Orthopedic, Inc.Devices and methods for percutaneous tissue retraction and surgery
US7998143Sep 30, 2003Aug 16, 2011Warsaw Orthopedic, Inc.Dynamic guard
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US8734447Jun 27, 2000May 27, 2014Warsaw Orthopedic, Inc.Apparatus and method of inserting spinal implants
US8764755Jun 7, 2011Jul 1, 2014Warsaw Orthopedic, Inc.Method for using a guard for creating a socket posteriorly in the lumbar spine
US9211198Jun 30, 2014Dec 15, 2015Warsaw Orthopedic, Inc.Method for using a guard for creating a socket posteriorly in the lumbar spine
US9265491 *Oct 28, 2013Feb 23, 2016U.S. Spine, Inc.Minimally-invasive portal methods for performing lumbar decompression, instrumented fusion/stabilization, and the like
US20040082958 *Sep 30, 2003Apr 29, 2004Michelson Gary K.Dynamic guard and method for use thereof
US20050216085 *May 18, 2005Sep 29, 2005Michelson Gary KMethod for using lordotic guard with moveable extensions for creating an implantation space posteriorly in the lumbar spine
US20060106416 *Oct 21, 2005May 18, 2006Douglas RaymondExpandable ports and methods for minimally invasive surgery
US20060142642 *Dec 29, 2005Jun 29, 2006Lins Robert EMinimally-invasive portal system for performing lumbar decompression, instrumented fusion/stabilization, and the like
US20060200138 *Apr 25, 2006Sep 7, 2006Sdgi Holdings, Inc.Surgical instrument for distracting a spinal disc space
US20060200139 *Apr 25, 2006Sep 7, 2006Sdgi Holdings, Inc.Tissue dilator and method for performing a spinal procedure
US20070016220 *Aug 28, 2006Jan 18, 2007Sdgi Holding, Inc.Method for using dynamic lordotic guard
US20070118023 *Dec 14, 2006May 24, 2007Smith Maurice MDevices and methods for percutaneous tissue retraction and surgery
US20070213739 *May 1, 2007Sep 13, 2007Sdgi Holdings, Inc.Method for using dynamic lordotic guard with movable extensions for creating an implantation space posteriorly in the lumbar spine
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US20090156902 *Jan 2, 2009Jun 18, 2009Jonathan DeweyInstruments and methods for minimally invasive tissue retraction and surgery
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Classifications
U.S. Classification600/219, 600/222
International ClassificationA61B1/32
Cooperative ClassificationA61B1/32
European ClassificationA61B1/32