US4293074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Root canal equipment packaging
Assignee: Individual
•
Filing: 1979-12-04
•
Granted: 1981-10-06
•
Expires: 1999-12-04
Abstract
Abstract A root canal treatment kit includes a lower plastic tray of polystyrene formed with recesses for accommodating root canal treatment apparatus and materials formed with an outermost lip for supporting a transparent cover and an inner lip adjacent the outermost lip upon which legs of an upper plastic tray rest. The upper plastic tray is also formed with recesses for accommodating apparatus and material installing rubber dams in connection with root canal treatment above apparatus on the lower tray. The transparent cover encloses both trays and the root canal treatment apparatus and material stored in the recesses. The rubber dams are installed, then the upper tray is removed, and then the materials and apparatus on the lower tray are used to complete the root canal treatment.
Inventors
- 👤 Joel L. Dunsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:11
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/02; A61C5/00; A61C5/40
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
136 words
A root canal treatment kit comprising, first reusable tray means of plastic material resistant to chemicals used in root canal treatment formed with recesses for accommodating apparatus and materials used in root canal treatment, second reusable tray means of said plastic material formed with recesses for accommodating said apparatus and materials for root canal treatment formed with means for support by said first tray means spaced above said first tray means by an amount sufficient to allow apparatus and materials for root canal treatment to be accommodated in said recesses in said first tray means when said second tray means is seated thereon, said second tray means being readily removable from said first tray means, said recesses accommodating in one package substantially all the instruments and supplies needed by a dentist for performing root canal work.
Claim 2
Dependent Claim
136 words
A root canal treatment kit comprising, first reusable tray means of plastic material resistant to chemicals used in root canal treatment formed with recesses for accommodating apparatus and materials used in root canal treatment, second reusable tray means of said plastic material formed with recesses for accommodating said apparatus and materials for root canal treatment formed with means for support by said first tray means spaced above said first tray means by an amount sufficient to allow apparatus and materials for root canal treatment to be accommodated in said recesses in said first tray means when said second tray means is seated thereon, said second tray means being readily removable from said first tray means, said recesses accommodating in one package substantially all the instruments and supplies needed by a dentist for performing root canal work.
Claim 3
Dependent Claim
44 words
A root canal treatment kit in accordance with claim 1 and further comprising cover means for seating upon said first tray means for coacting with said first tray means to fully enclose the apparatus and material for root canal treatment stored in said recesses.
Claim 4
Dependent Claim
26 words
A root canal treatment kit in accordance with claim 1 wherein said first tray means is formed with an outermost lip for accommodating said cover means.
Claim 5
Dependent Claim
48 words
A root canal treatment kit in accordance with claim 3 wherein said first tray means is formed with an outermost lip for supporting said cover means and a circumferential inner lip for its perimeter adjacent to said outer lip for supporting depending legs of said second tray means.
Claim 6
Dependent Claim
44 words
A root canal treatment kit in accordance with claim 1 and further comprising in respective ones of said recesses a file and reamer block, a bur block, a wash bottle, a beaker, a dropper, a syringe, explorer, pluggers, spreader, scissors, and a mixing slab.
Claim 7
Dependent Claim
32 words
A root canal treatment kit in accordance with claim 5 and further comprising in respective ones of said recesses, a suction, a wire brush, cotton pliers, a dental mirror and a spatula.
Claim 8
Dependent Claim
24 words
A root canal treatment kit in accordance with claim 6 and further comprising, cotton pellets, absorbent points, gutta percha points and temporary filling material.
Claim 9
Dependent Claim
36 words
A root canal treatment kit in accordance with claim 7 and further including said second tray means recesses including a dental dam support, rubber dam clamp forceps, a rubber dam hole puncher and rubber dam clamps.
Claim 10
Dependent Claim
24 words
A root canal treatment kit in accordance with claim 8 wherein said second tray means recesses further include packages of latex dental dam material.
Claim 11
Dependent Claim
149 words
A method of using the apparatus of claim 1 which method includes the steps of filling said first tray means with apparatus and materials for use in root canal treatment, filling said second tray means with apparatus and materials for installing rubber dams in connection with root canal treatment, placing said second tray means over said first tray means with the latter supporting the former, positioning the assembly of said first and second tray means beside a patient to be given root canal treatment, withdrawing the apparatus and materials from said second tray means and using them for installing a rubber dam in the mouth of said patient, removing said second tray means from said first tray means to expose the apparatus and materials in said first tray means, withdrawing apparatus and materials from said first tray means and using them for administering root canal treatment to said patient.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |