Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS151228 A
Publication typeGrant
Publication date26 May 1874
Filing date13 Jan 1874
Publication numberUS 151228 A, US 151228A, US-A-151228, US151228 A, US151228A
InventorsRudolph Kkaffl
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Improvement in surgical speculum
US 151228 A
Abstract  available in
Images(1)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

UNITED STATns PATENT brrron.

RUDOLPH KNAFFL, OF KNOXVILLE, TENNESSEE.

IMPROVEMENT IN SURGICAL SPECULUMS.

Specification forming part of Letters Patent No. 151,228, dated May 26, 1874; application filed January 12, 1874.

To all whom it may concern:

Beit known that I, Dr. RUDOLPH KNAFFL, of Knoxville, in the county of Knox and State of Tennessee, have invented a new and useful Surgical Speculum, of which the following is a specification:

The instrument forming the subject of my invention is constructed with any desirable number of longitudinal fingers, each formed at its rear end with an elbow, from which an arm projects radially outward between the two parts of a double or slotted ring. The i11- ward pressure of the walls of the canal on the extremities of the longitudinal fingers causes them to act as levers on the radial arms, which are thus made to bind between the parallel rings, so that the pressure is firmly resisted; but by an opposing outward pressure either finger is released, and may then be adjusted, inward or outward, through the medium of its radial arm, as hereinafter described.

In the accompanying drawing, Figure l is a perspective View of an instrument illustrating the invention. Fig. 2 is an elevation thereof.

A A A A represent a series of fingers, preferably made of bent wire, in about the form represented, so as to have smooth bowed ends. At the base the said fingers are bent at about right angles, so as to form arms B B 13, which pass radially outward between two rings, 0 0, connected by screws or rivets I), leaving just suificient space for the said arms to slide freely. The two parts or wires of each arm are preferably connected by a bar or plate, E, to render them mutually supporting, and increase their strength and rigidity.

The instrument is applicable to either vaginal or anal examination, and to all analogous purposes.

It is used in the following manner: The fingers A may be introduced into the canal one at a time; or if slid close together, and thenintroduced collectively, the application causes no pain or inconvenience. The operator then introduces his finger on the inside of each of the fingers A in succession, and by pressing outward against the inward pressure of the canal the arm B is relieved from binding,

and may be slid freely outward between the rings 0 0. The fingers A, being thus adjusted, are automatically and securely held in their expanded position by the elastic pressure of the canal on their extremities, causing the arms or radial portions 13 to bind between the parallel rings 0 0. Any desired dilation can thus be produced, and retained as long as necessary. l V hen the fingers are to be retracted they arc released by a similar outward pressure of the operators finger on the ex tremity of either finger he desires to move,

and a slight pressure on the end of the radial arm will then slide it inward.

From the above description it will be seen that the instrument can be applied with perfect facility by a single operator without the aid of an assistant. It is easy and painless in use, and performs all the functions of many more complicated instruments in a superior manner.

The fingers may be bent in any preferred shape, and in use maybe changed, as required, or a larger or smaller number of them may be used. The instrument permits and affords perfect facility for introducing a reflector through the center of the rings while the fingers remain in position.

The fingers may be made, as here represent-- ed, of wire or any desirable metal 5 or they may be made in fiat form, of metal, rubber, wood, ivory, or other material.

It is manifest that the double ring 0 O, which in the present illustration is represented as consisting of two connected parallel rings, may, if preferred, be made in a single piece of material with radial slots or openings for the arms to pass through.

I claim as new- The surgical speculum herein described, constructed with fingers of any preferred form, connected to arms passed radially between the two parts of a double or slotted ring, and retained in position by pressure on the extremities of the fingers, substantially asset forth.

7 DR. RUDOLPH KNAFFL.

Witnesses:

M. OOHS, L. A. GRATZ.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2623517 *29 Jun 195030 Dec 1952Forrest Mason ChesterSurgical abdominal retractor
US4432351 *16 Jun 198121 Feb 1984Institute For Industrial Research And StandardsVaginal speculum
US6024697 *11 Jan 199915 Feb 2000Pisarik; PaulMulti-bladed speculum for dilating a body cavity
US6528417 *17 Sep 20014 Mar 2003Taiwan Semiconductor Manufacturing CompanyMetal patterned structure for SiN surface adhesion enhancement
US714439310 Feb 20035 Dec 2006Dipoto Gene PStructure for receiving surgical instruments
US717922526 Aug 200420 Feb 2007Shluzas Alan EAccess systems and methods for minimally invasive surgery
US7182730 *14 Mar 200527 Feb 2007Fehling AgAnal retractor
US72264512 Oct 20035 Jun 2007Shluzas Alan EMinimally invasive access device and method
US764523213 May 200412 Jan 2010Zimmer Spine, Inc.Access device for minimally invasive surgery
US769112026 Aug 20046 Apr 2010Zimmer Spine, Inc.Access systems and methods for minimally invasive surgery
US773630525 Oct 200415 Jun 2010Zimmer Spine, Inc.Adjustable height access device for treating the spine of a patient
US776693015 Oct 20033 Aug 2010Zimmer Spine, Inc.Cannula for receiving surgical instruments
US797646426 Aug 200412 Jul 2011Zimmer Spine, Inc.Access systems and methods for minimally invasive surgery
US79852185 Dec 200626 Jul 2011Zimmer Spine, Inc.Structure for receiving surgical instruments
US800749226 Oct 200430 Aug 2011Zimmer Spine, Inc.Cannula for receiving surgical instruments
US819246328 Apr 20085 Jun 2012Mcloughlin JosephSurgical retractor and related methods
USRE4426820 Jul 20054 Jun 2013Zimmer Spine, Inc.Method and instruments for percutaneous arthroscopic disc removal, bone biopsy and fixation of the vertebral
Classifications
Cooperative ClassificationA61B1/32