US412812A - George m - Google Patents
George m Download PDFInfo
- Publication number
- US412812A US412812A US412812DA US412812A US 412812 A US412812 A US 412812A US 412812D A US412812D A US 412812DA US 412812 A US412812 A US 412812A
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- US
- United States
- Prior art keywords
- matrix
- band
- loop
- george
- dental
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011159 matrix material Substances 0.000 description 20
- 239000002184 metal Substances 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/80—Dental aids fixed to teeth during treatment, e.g. tooth clamps
- A61C5/85—Filling bands, e.g. matrix bands; Manipulating tools therefor
Definitions
- WITNESSES I i 06'! A Q UNITED STATES PATENT OFFICE.
- My invention consists of a matrix for dental purposes formed of a strip or band of flexible material having attached at one end a loop or eye, through which the other end is passed and by which it is fastened, whereby a single loop may be employed and the band permanently affixed to one side thereof, and the matrix may be firmly held during the operation and afterward easily removed.
- Figure 1 represents a perspective view of a matrix for dental purposes embodying my invention.
- Fig. 2 represents a perspective view of the matrix, on a reduced scale, in position on a tooth.
- a dental matrix consisting of a band of flexible metal and a single loop, the band having an eye which is permanently affixed to one side of the loop, and having its other end passing freely between said eye and the opposite side of the loop, substantially as described.
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
Description
(N0 Model.)
M. WEIRIGH.
DENTAL MATRIX. No. 412,812. Patented Oct. 15, 1889.
WITNESSES I i 06'! A Q UNITED STATES PATENT OFFICE.
GEORGE M. W'EIRIOH, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO HENRY D. JUSTI, 'OF SAME PLACE.
DENTAL MATRIX.
SPECIFICATION forming part of Letters Patent No. 412,812, dated October 15, 1889.
Application filed May 27, 1889. Serial No.3l2,282. (No model.)
To all whom it may concern:
Be it known that I, GEORGE M. WEIRIGH, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Improvement in Matrices for Dental Purposes, which improvement is fully set forth in the following specification and accompanying drawings.
My invention consists of a matrix for dental purposes formed of a strip or band of flexible material having attached at one end a loop or eye, through which the other end is passed and by which it is fastened, whereby a single loop may be employed and the band permanently affixed to one side thereof, and the matrix may be firmly held during the operation and afterward easily removed.
Figure 1 represents a perspective view of a matrix for dental purposes embodying my invention. Fig. 2 represents a perspective view of the matrix, on a reduced scale, in position on a tooth.
Similar letters of reference indicate corresponding parts in the several figures.
Referring to the drawings, A designates a matrix embodying my invention, the same being formed of a strip or band B, of thin metal of flexible or pliable nature, having at one end an eye, which is permanently affixed to the loop 0, through which latter the other end may be passed.
The operation is as follows: The band is placed around the tooth to be operated upon and the free end passed through said loop and drawn tightly, after which it is bent back, making a bight, which retains its position and prevents the band from slipping, the matrix being thereby firmly held on the tooth during the operation.
In order to remove the matrix, the band is bent forward, whereby it is loosened, and may then be slipped off of the tooth, it being seen that a simple, inexpensive, and easily-manipulated device is presented.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
A dental matrix consisting of a band of flexible metal and a single loop, the band having an eye which is permanently affixed to one side of the loop, and having its other end passing freely between said eye and the opposite side of the loop, substantially as described.
GEO. M. WEIRIGH.
Witnesses:
J OHN A. WIEDERSHEIM, A. P. JENNINGS.
Publications (1)
Publication Number | Publication Date |
---|---|
US412812A true US412812A (en) | 1889-10-15 |
Family
ID=2481744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US412812D Expired - Lifetime US412812A (en) | George m |
Country Status (1)
Country | Link |
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US (1) | US412812A (en) |
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0
- US US412812D patent/US412812A/en not_active Expired - Lifetime
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