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Publication numberUS86016 A
Publication typeGrant
Publication dateJan 19, 1869
Publication numberUS 86016 A, US 86016A, US-A-86016, US86016 A, US86016A
InventorsJ. Howell
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Silas j
US 86016 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

IMPROVED INSTRUMENT FOR TREATING GUN-SHOT WOUNDS AND EXTRAGTING- BUL- LETS.

-The Schedule referred to in these Lettera Patent and making part of the sama.

To all 'whom it may concern:

Be it known that I, SILAS J. HOWELL, of Orange,

in the county of Franklin, and State of Massachusetts,

have invented va new and useful Improvement in Surgical Instruments; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the' same, reference being had to the accompanying drawings, forming part of this specification.

This invention relates to an instrument for extracting bullets, in the treatment of gun-shot wounds, and for other purposes; and consists in operating expansible lever-jaws by a rod sliding through 'a tube, and forced against a spring, as will be hereinafter more fully described.

Figure 1 represents a longitudinal'section ofthe in strument.

Figure 2 is a perspective view of one of the jaws and side pieces detached. .i Similar letters of reference indicate corresponding parts.

A is a tube, which is attached to a drum or cylinder, B, at the handle-end of the instrument, and terminates in a tapering piece, C, atv the other end, to which tapering piece C the side pieces D are hinged. F represents the jaws.

E is a rod, which works through the tube A. v-The handle F is attached to one end of this rod, and G is a screw fast to the rod, ou which there is a Wheel-nut, H, which screws up against the cylinderB when it is designed to limit the expansion of the jaws. I is a piston or disk on the rod, which serves to compress the spiral spring J in the cylinderB, when the rod is pressed down for expanding the jaws.

K represents 'finger-pieces for withdrawing` the invstrument.

v On the' end of the rod E there is a heart-shaped jointpiece, L, to which the jaws are hinged, as seen in the drawing.

The jawsare also jointed to the side pieces D, at n n, and act as levers, with their fiilcra at the pivots 'n n.

Jaws of different shapes may be used, as occasion may require, as for crushing stone in the bladder, removing pieces of bone, and fr other purposes.

forming the joint at the other end of the instrument,

the instrument may be taken to pieces;

The side pieces D are curved so as to close over the joint-pieces L, when the jaws are` closed, and also re# messed out, as indicated in ig.2, for receiving the long. ends ofthe lever-jaws, so that when closed, the instrument presents a smooth and even surface, and may readily be inserted into a wound, without at all lacerating the flesh. When thus inserted into a wound, and the jaws are expanded, (when the instrument touches the lball,) by pressing in the rod as before stated, the tension oi' the spring will cause the hall to be firmly griped by the jaws, when the instrument, with the ball, is readily Withdrawn by drawing upon the fingerpieces K.

Having thus described my invention, A

What I claim as new, and desire to secure by Letters Patent, is

1. The `side pieces D, joint-piece L, lever-jaws F,- tube A, with the cylinder B and the rod E, arranged and combined substantially as shown and described, for the purposes set forth.

2. The spring J, pis'ton I, and cap P, in combination with the rod E, substantially as and for the purposes described.

3. In combination with the rod E,'the screw G and nut H, substantially as and for the purposesdescribed.

The above specification of my invention signed by me, this 19th day of November, 1868.

SILAS J. HOWELL.

Witnesses:

JNO. C. FELT, GEO. A. MAYNARD.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
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US7699847Nov 19, 2004Apr 20, 2010Wright Medical Technology, Inc.Guide clamp for guiding placement of a guide wire in a femur
US8007530 *Apr 26, 2006Aug 30, 2011Medtronic, Inc.Tool and method for implanting an annuloplasty prosthesis
US8652137 *Feb 21, 2008Feb 18, 2014Spinal Elements, Inc.Vertebral facet joint drill and method of use
US8740949Feb 24, 2011Jun 3, 2014Spinal Elements, Inc.Methods and apparatus for stabilizing bone
US8858597Dec 3, 2010Oct 14, 2014Spinal Elements, Inc.Vertebral facet joint prosthesis and method of fixation
US8882804May 6, 2013Nov 11, 2014Spinal Elements, Inc.Vertebral facet joint prosthesis and method of fixation
US20080208249 *Feb 21, 2008Aug 28, 2008Jason BlainVertebral facet joint drill and method of use
US20110270255 *May 2, 2011Nov 3, 2011Graham SmithGuide For Drilling An Irregular-Shaped Body
DE3630210A1 *Sep 4, 1986Mar 17, 1988Wisap GmbhInstrumentengriff
DE3816798C1 *May 17, 1988Dec 7, 1989Wisap Gesellschaft Fuer Wissenschaftlichen Apparatebau Mbh, 8029 Sauerlach, DeTitle not available
DE3921935A1 *Jul 4, 1989Feb 1, 1990Schad KarlSurgical instrument
DE8809501U1 *Jul 26, 1988Nov 24, 1988Schad, Karl, 7201 Kolbingen, DeTitle not available
DE10013331A1 *Mar 9, 2000Sep 20, 2001Biomet Merck Deutschland GmbhSurgical holder for body joint has clamping elements, pressure element, drive mechanism and three-sided space.
WO2005051209A1 *Nov 19, 2004Jun 9, 2005Wright Medical Tech IncGuide clamp for guiding placement of a guide wire in a femur
Classifications
Cooperative ClassificationA61B17/29