Dental handpiece
AssigneeJ. Morita Mfg. Corp.
InventorHitoshi TANAKA
Life of this patent
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Abstract
A dental handpiece is a dental handpiece configured to detachably hold a cutting tool. The dental handpiece includes: a holding portion provided with an insertion port into which the cutting tool is insertable, the holding portion being configured to hold the cutting tool inserted in the insertion port; and a main body portion configured to accommodate the holding portion, the main body portion being provided with a water introduction hole and a plurality of chip air holes. The plurality of chip air holes are disposed to sandwich the water introduction hole in a second direction, the second direction intersecting a first direction in which the insertion port and the water introduction hole are arranged.
Claims20
A dental handpiece configured to detachably hold a cutting tool, the dental handpiece comprising:
- a holding portion provided with an insertion port into which the cutting tool is insertable, the holding portion being configured to hold the cutting tool inserted in the insertion port;
- and
- a main body portion configured to accommodate the holding portion, the main body portion being provided with a water introduction hole and a plurality of chip air holes, wherein
- the plurality of chip air holes provided in the main body portion are disposed to sandwich the water introduction hole in a second direction, the second direction intersecting a first direction in which the insertion port and the water introduction hole are arranged.
A dental handpiece configured to detachably hold a cutting tool, the dental handpiece comprising:
- a holding portion provided with an insertion port into which the cutting tool is insertable, the holding portion being configured to hold the cutting tool inserted in the insertion port;
- and
- a main body portion configured to accommodate the holding portion, the main body portion being provided with a water introduction hole and a plurality of chip air holes, wherein
- the plurality of chip air holes provided in the main body portion are disposed to sandwich the water introduction hole in a second direction, the second direction intersecting a first direction in which the insertion port and the water introduction hole are arranged, and
- each of the plurality of chip air holes is an elongated hole.
A dental handpiece configured to detachably hold a cutting tool, the dental handpiece comprising:
- a holding portion provided with an insertion port into which the cutting tool is insertable, the holding portion being configured to hold the cutting tool inserted in the insertion port;
- and
- a main body portion configured to accommodate the holding portion, the main body portion being provided with a water introduction hole and a plurality of chip air holes, the water introduction hole being connected to a water introduction hole and the plurality of chip air holes being connected to an air supply tube, wherein
- the plurality of chip air holes provided in the main body portion are disposed to sandwich the water introduction hole in a second direction, the second direction intersecting a first direction in which the insertion port and the water introduction hole are arranged.
Dependencies are inferred from the claim text.