Insert assembly with radiofrequency identifier for medical device
US-12011324-B2 · Jun 18, 2024 · US
Cutting instrument, in particular dental instrument
US9931178B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9931178-B2 |
| Application number | US-201615095726-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 11, 2016 |
| Priority date | Apr 16, 2015 |
| Publication date | Apr 3, 2018 |
| Grant date | Apr 3, 2018 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present invention relates to a rotary cutting instrument, in particular of the bur type, intended for chirurgical or dental use and comprising an active cutting part and a handle. Said active part is made of a metal carbide and the handle is made of a nickel-titanium alloy. The instrument further comprises an intermediate part made of stainless steel placed between the active part and the handle and metallurgically connected to said active part and to said handle.
First claim
Opening claim text (preview).
The invention claimed is: 1. A rotary cutting instrument comprising: an active cutting part, the active part being made of a metal carbide; an intermediate part, the intermediate part is made of stainless steel; and a handle, the handle is made of a nickel-titanium alloy; and wherein the intermediate part is located between the active part and the handle and is metallurgically connected to said active part and to said handle. 2. The instrument of claim 1 , wherein the active part is made of tungsten carbide. 3. The instrument of claim 1 , wherein the intermediate part is welded to the handle and brazed to the active part. 4. The instrument of claim 1 , wherein the intermediate part has a length between 0.05 and 50 mm. 5. The instrument of claim 1 , wherein the intermediate part has a length of 1.5 mm. 6. The instrument of claim 1 , wherein the rotary cutting instrument is a bur type. 7. The instrument of claim 6 , wherein the active part is made of tungsten carbide. 8. The instrument of claim 6 , wherein the intermediate part is welded to the handle and brazed to the active part. 9. The instrument of claim 6 , wherein the intermediate part has a length between 0.05 and 50 mm. 10. The instrument of claim 6 , wherein the intermediate part has a length of 1.5 mm.
Assignees
Inventors
Classifications
Steel · CPC title
Nickel · CPC title
Details of hard metal, i.e. cemented carbide · CPC title
- A61C3/02Primary
Tooth drilling or cutting instruments; Instruments acting like a sandblast machine · CPC title
Titanium · CPC title
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Frequently asked questions
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- What does patent US9931178B2 cover?
- The present invention relates to a rotary cutting instrument, in particular of the bur type, intended for chirurgical or dental use and comprising an active cutting part and a handle. Said active part is made of a metal carbide and the handle is made of a nickel-titanium alloy. The instrument further comprises an intermediate part made of stainless steel placed between the active part and the h…
- Who is the assignee on this patent?
- Maillefer Instr Holding Sarl, Dentsply Sirona Inc
- What technology area does this patent fall under?
- Primary CPC classification A61C3/02. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 03 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).