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Патент USA US3084443

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April 9, 1963
Filed Aug} 24, 1961
5 v/
M A,
United States Patent 0 ' "ice
Henry A. Kimrnel, Rose Valley, l’au, assignor of one-half
to J. ‘Wesley Haubner, Wallingford, Pa.
Filed Aug. 24, 1961, Ser. No. 133,649
1 Claim. (c1. sap-ass)
Patented Apr. 9, 1963
scissors of FIG. 1 showing the opposite sides of the cut
ting blades;
FIG. 4 is a cross-sectional view through the wedging
nose and cutting blades taken in the plane 4—4 of FIG.
2, and
FIG. 5 is a fragmentary perspective view of the leading
tip of the lower cutting blade and laterally extending lift
ing nose.
My invention relates to scissors or shears of the band
Referring now particularly to FIG. 1, I have illustrated
age~cutting type, and more particularly to an improved
lifting nose or wedging structure enabling such scissors to 10 a bandage scissors comprising a pair of cutting blades 10,
11, each formed integrally with one of a pair of handle
be used with greater effectiveness in cutting away very
tight bandages without piercing a patient’s skin beneath
the bandage.
shanks 10a and 11a, respectively, and pivotally connected
together for shearing action by a pivot pin 12. The
pivot pin 12 is threaded into a tapped hole in the shank
Conventional bandage shears or scissors are commonly
provided with a discrete wedge-like nose portion ?xed t0 15 11a and is provided at its other end with a bolt head
which holds the shank 10a in pivotal relation on the pin.
the tip of the lower or entering blade and projecting
appreciably forward beyond the tip of the upper blade.
Since the cooperating cutting edges cannot extend beyond
the tip of the shorter upper blade, the entire projecting
From a point slightly forward of the pivot pin 12 the
cutting blades 10 and 11 extend at similar obtuse angles
with respect to their respective handle shanks 16a and
nose, usually having a substantial length and thickness, 20 11a. At their rear ends the handle shanks are provided
with ?nger rings 1% and 11b, respectively.
must enter between the skin and the bandage before any
As is customary with bandage scissors or shears, the
cutting action can begin. For this reason the use of such
cutting blades are considerably shorter than the handle
shears with very tight bandages is often quite di?icult,
shanks, for example about one-half the length from pivot
painful or injurious to an incompletely healed wound.
Accordingly, it is a general object of my invention to 25 pin to ?nger ring, in order to provide adequate mechan
ical advantage for cutting heavy bandages. The blades
provide an improved bandage scissors having a wedging
10 and 11 have planar inner surfaces arranged for ?atwise
or lifting nose which does not extend forwardly beyond
sliding engagement along a median shearing plane 13
the front tip of the cutting edges.
(FIGS. 2 and 4) perpendicular to the pivot pin 12.
It is another object of my invention to provide a wedg
Shearing is accomplished in the usual manner between
ing or lifting type bandage scissors having cutting edges 30 the
leading or cutting edges of these coplanar inner sur
extending to the forwardmost tip of the lower or bandage
of the blades.
lifting blade.
As shown in FIGS. ~l—3 the upper cutting blade 11
A still further object of my invention is the provision
extends slightly beyond the leading tip of ‘the lower blade
of a lifting or wedging type bandage scissors which offers
10 and has a relatively wide blunt or rounded forward
no impediment to cutting very close to obstacles located 35
tip 14, as best shown at FIG. 3. While such extension
at one side or at the front of the cutting edges, or both.
of the upper blade is not essential, it is desirable in order
In carrying out my invention in one preferred embodi
to protect an operator from accidental contact with the
ment I utilize a conventional bandage shears structure
insofar as the handle shanks at one side of the pivot point 40 more pointed lower blade when carrying the scissors in
close position. Such protection is afforded by a wider
are longer than and angularly disposed with respect to the
extreme forward tip of at least that one entering or lower
and slightly longer upper blade because with the scissors
in closed position the pointed tip of the lower blade then
lies snugly against and within the lateral outline of the
tapered in width toward its tip and slightly blunted to
equal length) and in shearing relation therewith, prefer
cutting blades. In my improved scissors, however, the
cooperating cutting edges of the blades extend to the
blade adapted for insertion between a bandage and the 45 upper blade. Whether or not the upper blade extends
beyond the lower blade it should extend at least fully up
skin of a patient. This lower blade is equal in length to
the leading tip of the lower blade (i.e. be of at least
or slightly shorter than the overlying upper blade and is
provide a wcdging bandage-lifting action. To improve
this wedging action without interfering with shearing 50
action at the forward tip of the lower blade this blade
carries at its tip a laterally extending wedging projection
or lifting nose.
This lifting nose is on the outer surface
ably having a relatively wide and blunted forward tip
which overlies the leading tip of the more pointed lower
blade when the blades are in closed position.
The lower scissors blade 10 is tapered in width from
a point of maximum width near the pivot pin 12 to a
narrow or pointed leading tip 15 which is only slightly
‘as best shown in FIG. 1. The cooperating cut
only of the shearing plane. In planes parallel to the 55 blunted,
ting edges of both blades 10, 11 extend to the extreme
shearing plane, the lifting nose is tapered toward the blade
front edge of the leading tip 15. The lower blade itself,
tip, and preferably it is also slightly tapered outwardly in
therefore, is adapted for wedging insertion of its tip end
a direction perpendicular to the shearing plane. The
between a bandage and the skin of a patient and permits
upper blade preferably has a relatively large rounded or
cutting action immediately upon penetration.
blunted tip which may, if desired, extend slightly beyond 60
In order to improve the wedging or bandage-lifting
the tip of the lower blade to protect a user from acciden~
action and to protect the patient from its relatively sharp
only of the lower blade and thus lies entirely to one side
tal contact with the more pointed lower blade in handling
the scissors when closed.
My invention will be more fully understood and its
tip end 15 the lower blade 10 has formed at this tip end
and upon its outer surface only a lateral wedging projec—
tion or lifting nose 16. The nose 16 is tapered in a direc
objects and advantages will be further appreciated by 65 tion parallel to the shearing plane 13 from its rear toward
referring now to the following detailed speci?cation taken
in conjunction with the accompanying drawing in which
FIG. 1 is side clevational view of a scissors embodying
its front end, as best shown at FIG. 1. Preferably this
forward taper of the nose 16 is e?ected by forming the
nose to conform generally to the tapering lateral outline
or width of the blade 10 itself. In addition the nose 16 is
my invention;
FIG. 2 is a fragmentary plan view of the cutting blades, 70 tapered outwardly in a direction perpendicular to the
shearing plane 13, preferably having a ?at upper surface,
taken in the plane 2——2 of FIG. 1;
or land 16a, substantially perpendicular to the shearing
FIG. 3 is a fragmentary side elevational view of the
plane andrat the upper or_ shearing edge of the blade 10
claim to cover all such modi?cations as fall within the
and tapering downwardly along the side of the blade 10
true ‘spirit and scope of my invention.
to a narrow point at the lower edge of the blade. This
What I claim as new and desire to secure by Letters
Patent of the United States is:
A bandage scissors comprising upper and lower cutting
outwardly tapered shape (i.e. tapered in lateral cross
section) is best shown at FIGS. 1, 4 and 5.
It will now be evident that the lifting nose 16 is tapered
in two directions, forwardly and outwardly, for a se
blades pivotally connected together and having coplanar
inner surfaces disposed for ?atwise sliding engagement in
a common shearing plane, saidlower blade being tapered
eration the lower blade 10 may be inserted directly under
in width forwardly toward a bluntly pointed leading tip
a bandage in a direction perpendicular to the edge of the 10 adapted for insertion beneath a bandage and both said
bandage or may be inserted at an‘angle to the bandage
blades having cooperating cutting edges in said shearing
edge with the lateral lifting nose 16 foremost. It will
plane extending to at least the extreme forward edge of
also be understood that in either case cutting or shearing
said leading tip, said upper blade having a wide and
lective or combined double-wedging action. Thus in op
action is possible just as soon as any small front portion
bluntly rounded forward tip extending slightly beyond the
of the lifting nose is under the bandage, and for the 15 leading tip of said lower blade and overlying said leading
reason that the inner shearing surface of blade 10 extends
tip in the closed position of said blades, and a single lift
to the forwardmost tip endlS of the blade.
ing nose formed upon the outer surface of the leading
tip of said lower blade only, said lifting nose having a
In a preferred embodiment of my invention the upper
blade 11 has no lateral nose or projection on its outer
forwardly tapered con?guration conforming generally tov
surface. While his possible with the blades. of equal 20 the forwardly tapering width of said lower blade and hav
length to provide a lifting'nose 16 on each blade to permit
ing an outwardly tapered wedge-like shape with a sub
reverse disposition of the scissors in use, ‘I prefer to use
one such lifting nose only in the manner shown in‘the
stantially ?atupper surface extending substantially per
pendicular to said shearing plane.
drawing. By thisunilateral structure the opposite ‘side
of the scissors is entirely unobstructed for close lateral 25
juxtaposition to any barrier close to which a cut must be
While I have shown and described by way of illustra
tion a preferred embodiment of my invention, modi?ca
tions will occur to those skilled in the art.
I therefore 30
wish to have it understood that I intend in the appended
References Cited in the ?le of this patent
Haufrect _____________ .._ Sept. 18, 1951
Surgical Instruments, The Lawton Co. (copyright 1957 ) ,
page 6 (copy in Div. 55); page 7 (copy in Div. 53).
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