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Publication numberUS720812 A
Publication typeGrant
Publication dateFeb 17, 1903
Filing dateJan 12, 1901
Priority dateJan 12, 1901
Publication numberUS 720812 A, US 720812A, US-A-720812, US720812 A, US720812A
InventorsRobert W Johnson
Original AssigneeRobert W Johnson
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Vaccination-shield.
US 720812 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

' PATENTED FEB. 1?, 1903.

R. W. JOHNSON.

VAGGINATION SHIELD;

APPLICATION FILED JAN. 12, 1901.

H0 MODEL.

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UNITED STATES PATENT OFFICE.

ROBERT W. JOHNSON, OF NEW BRUNSWICK, NEW JERSEY.

VACCINATION-SHIELD.

SPECIFICATION forming part of Letters Patent No. 720,812, dated-February 17, 1903.

Application filed January 12, 1901. Serial No. 43,062. (No model.)

To all whom it ntrty concern: 7

Be it known that 1, ROBERT W. JOHNSON, a citizen of the United States, residing at New Brunswick, in the county of Middlesex and State of New Jersey, have invented certain new and useful Improvements in Vaccination- Shields, of which the following is a specification,reference being had therein to the accompanying drawings.

The objects of myinvention are to provide the ordinary felt shields used to partly protect vaccination wounds or scabs with a flat transparent but imperforate top which will increase their usefulness by preventing the introduction of dust or of dangerous germs into said wounds, although permitting an examination of the wound to be obtained through the transparent top. I attain these objects by the construction illustrated in the accompanying drawings, in which Figure l is a top view of a vaccinationshield constructed in accordance with myinvention. Fig. 2 is a central vertical section of the same. Fig. 3 is a top view of a vaccination-shield slightly modified in construction from that shown in Fig. 1. Fig. 4 is a central vertical section of the shield shown in Fig. 3.

In said drawings, A represents an annular pad of felt or of felted materials, having its top and bottom fiat and its inner and outer edges at right angles thereto. Said pad is preferably slightly elliptical in form inside and out. To obtain in connection with said pad a shield which will protect a vaccination sore from admission thereto of dust or of dangerous germs, the top of the central chamber B is closed with an imperforate sheet of thin and transparent celluloid O, which not only effectively closes said top, but its transparency permits a person to examine the condition of a vaccination sore thus covered without disturbing it when used as a vaccinationshield. To securely fasten the im perforate celluloid closure on top of the pad various ways may be used.

In-Figs. 1 and 2 the sheet of celluloid is but slightly larger than the central opening B, and said portion lying upon the pad as well 3 as the balance of the surface of said pad are covered with an elliptical patch of textile material D. To secure these parts united together the top surface of the feltpad A is covered with adhesive substance, which substance may be a piece of thin gutta-percha film d. On top of said adhesive substance the patch of celluloid is placed and over'it the textile material D. A sufficient hot iron is then pressed'for an instantupon said textile D, which causes all the parts to adhere together. The adhesive substance may also be applied first alongside of its edges to the bottom of the sheet 'of celluloid O and to the bottom of the textile material D.

In Figs. 8 and 4: the annular top coating of textile is dispensed with, but the iinperforate sheet of celluloid O is larger, being of the same size as the felt pad thereunder, and is stuck upon said pad with adhesive substance placed between them.

To cause the shield to closely adhere to a persons body the bottom of the felt pad is coated with adhesive substance e, which is temporarily protected by a patch of textile gauze f, to which it adheres until the shield is to be used. The gauze is then pulled off and exposes the adhesive bottom of the pad.

I am aware that annular pads of felt and also celluloid have been used in the construction of vaccination-shields, and I do not broadly claim said materials for that purpose.

Having now fully described my invention, I claim l. A vaccine-shield consisting of an annular pad of felt having horizontal top and bottom surfaces, adhesive substances coating both of said surfaces, a flat sheet of imperforate celluloid upon and adhering to the top coating, and an annular patch of textile material adhering to the top of both the celluloid and the pad substantially as described.

2. In a vaccine-shield the combination of an annular pad of felt having straight and parallel top and bottom surfaces, adhesive substances coating both of said surfaces and a flat sheet of celluloid adhering to the flat top surface substantially as described.

In testimony whereof I afiiix my signature in presence of two witnesses.

ROBERT W. JOHNSON.

Witnesses:

FRED DESHLER, EDWARD Months.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2561071 *Sep 21, 1949Jul 17, 1951Prisk Howard ConleyHolder for subcutaneous administration of medicaments
US3063448 *Oct 21, 1958Nov 13, 1962Scholl William MSurgical pad and method of making the same
US3779369 *Jul 11, 1972Dec 18, 1973Lang JArt paint saver
US4399816 *Jan 28, 1982Aug 23, 1983Spangler George MWound protector with transparent cover
US5181274 *Aug 7, 1991Jan 26, 1993Defiore Hannah BCatherer shower shield
US5562107 *Sep 27, 1995Oct 8, 1996Hollister IncorporatedReclosable wound cover
US5817145 *Nov 21, 1994Oct 6, 1998Augustine Medical, Inc.Wound treatment device
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US6406448Dec 26, 2000Jun 18, 2002Augustine Medical, Inc.Normothermic heater covering for tissue treatment
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US7122046Sep 24, 2002Oct 17, 2006Arizant Technologies LlcTreatment device
US7265256Dec 19, 2003Sep 4, 2007Ther Memorial HospitalBandaging device for sequestering a wound or inoculation site
US7815616Sep 16, 2003Oct 19, 2010Boehringer Technologies, L.P.Device for treating a wound
US7928281Oct 9, 2007Apr 19, 2011Arizant Technologies LlcWound covering
US7942866Aug 27, 2004May 17, 2011Boehringer Technologies, L.P.Device for treating a wound
US7981098Sep 18, 2008Jul 19, 2011Boehringer Technologies, L.P.System for suction-assisted wound healing
Classifications
Cooperative ClassificationA61F15/008