Telescopic counting root canal file

A technology of root canal files and counters, which is applied in the fields of medical science, dentistry, and protective layers. It can solve the problems of short length of root canal files and affect the operation of medical personnel, and achieve the effect of small gap, avoiding relative wear and compact mechanism.

Inactive Publication Date: 2018-10-16
CHENGDU JUNSHUO RUIZHI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a telescopic counting root canal file in order to meet the functional requirements of counting the

Method used

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  • Telescopic counting root canal file
  • Telescopic counting root canal file
  • Telescopic counting root canal file

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0046] Example 1

[0047] A retractable counting root canal file includes a handle 1. The handle 1 is a retractable handle. The handle 1 is provided with a counter 2; the upper end of the handle 1 is provided with a hole 101, and the inner side wall of the hole 101 is provided with a ring Slot 102, the side wall of the ring groove 102 is provided with a display hole 103; the counter 2 includes: a character wheel 201 sleeved on the ring groove 102, the outer side wall of the character wheel 201 is provided with a number mark, and the upper end surface of the character wheel 201 The ratchet wheel 202 is fixedly connected, and also includes a pawl device 203 arranged on the side wall of the hole 101. The pawl device 203 is connected to the ratchet wheel 202. The end surface of the character wheel 201 is provided with a through hole. The axis of the through hole is connected to the character wheel. The axes of 201 are collinear, a circular ring is sleeved in the through hole, a chute...

Example Embodiment

[0049] Example 2

[0050] Further, in order to increase the reliability of the counter, and at the same time improve the standardization of the present invention, and reduce the production cost, the circular ring is set as the inner helical gear ring 204; the chute is the inner tooth on the inner helical gear ring 204; the bottom of the connecting rod 205 A helical gear 207 is sleeved, and the helical block is the outer tooth on the helical gear 207, and the helical gear 207 is meshed with the inner helical gear ring 204.

Example Embodiment

[0051] Example 3

[0052] On the basis of Embodiment 2, in order to reduce the volume of the counter 2 and make the mechanism of the counter 2 more compact, the thickness of the helical gear 207 is not greater than the thickness of the inner helical ring gear 204.

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Abstract

The invention discloses a telescopic counting root canal file and belongs to medical devices for dentistry. The telescopic counting root canal file disclosed by the invention comprises a telescopic handle, wherein a counter is arranged on the handle; a hole is formed in an upper end face of the handle; an annular groove is formed in the inner side wall of the hole; a display hole is formed in theside wall of the annular groove; the counter comprises a character wheel and further comprises a pawl device; the character wheel is arranged on the annular groove in a sleeving manner; a digital identifier is arranged on the outer side wall of the character wheel; the upper end face of the character wheel is fixedly connected with a ratchet wheel; the pawl device is arranged on the side wall of the hole; the pawl device is connected with the ratchet wheel; a through hole is formed in the end face of the character wheel; the axis of the through hole is collinear with the axis of the characterwheel; a circular ring is arranged in the through hole in a sleeving manner; a chute is formed in the inner side wall of the circular ring; a button is arranged at the upper end of the hole in a sleeving manner; the button can move in the hole along the axis of the hole; the bottom of the button is connected with a connecting rod; an inclined block is arranged on the side wall of the connecting rod and matched with the chute. According to the telescopic counting root canal file disclosed by the invention, the usage frequency of the root canal file can be intuitively read from the handle.

Description

Technical field [0001] The invention belongs to dental medical equipment, and in particular relates to a root canal file for treating root canals of molars. Background technique [0002] Endodontics and periapical disease are common diseases in dentistry. Preserving the teeth and pulp of patients is the treatment purpose of modern stomatology, and root canal treatment is currently the most common and effective treatment method. The principle of root canal surgery is to remove most of the infections in the root canal through mechanical and chemical methods, and to fill the root canal and seal the crown to prevent periapical lesions or promote the healing of existing periapical lesions. [0003] Root canal treatment generally includes the following steps: [0004] 1. Root canal preparation: open the pulp, thoroughly clear the diseased and necrotic pulp tissue, measure the length of the root canal, and expand the root canal; [0005] 2. Root canal irrigation: repeated operations during ...

Claims

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Application Information

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IPC IPC(8): A61C5/42
Inventor 张德彬
Owner CHENGDU JUNSHUO RUIZHI INFORMATION TECH CO LTD
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