Impacted tooth extraction machine needle with length scales

Abstract

The utility model provides an impacted tooth extraction bur with length scales, which comprises a bur handle and a bur head, a first scale line, a second scale line, a third scale line and a fourth scale line are respectively arranged on the surface of the bur handle, the bur head is fixedly connected with the bur handle, a groove is arranged on the surface of the bur head, and the first scale line, the second scale line, the third scale line and the fourth scale line are arranged in the groove. A notch is formed in the surface of the needle head at the edge of the cutter groove. Length scales are marked on the impacted tooth extraction bur, so that the working length is accurately evaluated, the depth of the bur sinking into tissues is determined, too shallow cutting is prevented, the cutting efficiency is improved, important anatomical structures such as inferior alveolar nerves and maxillary sinus mucosa are protected, the important anatomical structures are prevented from being damaged by the bur entering too deep positions, and the impacted tooth extraction bur is safe and reliable. And the scales at different intervals are adopted, so that better observation is facilitated, the problem of visual fatigue caused by long-time direct vision is avoided, the working length can be accurately evaluated, and the operation safety is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of car needle of impacted tooth extraction with length scale. BACKGROUND

[0002] Car needle is the consumable tool commonly used by oral surgeon, it is a very small steel needle, this needle is composed of needle head and needle handle, can be inserted into high-speed handset and used, help oral surgeon to cut teeth and other hard tissues.If oral surgeon handset is compared to hand-held drill, car needle is equivalent to drill bit on drill.In the extraction of some complex teeth and impacted teeth, long car needle is usually used to cut teeth or alveolar bone, and the doctor will check X-ray and CT before operation, to determine the depth of teeth or bone that need to be cut, if car needle enters too shallow, it cannot achieve effective cutting, and if car needle enters too deep, it may damage important anatomical structures such as inferior alveolar nerve and maxillary sinus mucosa.

[0003] Currently used car needle has no length scale, when operating, car needle is inserted into tissue, and the doctor often cannot accurately assess the depth of car needle entering tissue, so the possibility of iatrogenic injury is relatively large, and it is very important to accurately grasp the depth of car needle entering tissue for protecting important anatomical structures such as inferior alveolar nerve and maxillary sinus mucosa, and when operating, high-speed rotating car needle can cause the scale position not to be easily observed effectively, and long time direct vision can cause visual fatigue problem, affecting the normal operation of car needle. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of car needles of impacted tooth extraction with length scale, can accurately assess working length, greatly improve the safety of operation, and provide a kind of car needle of impacted tooth extraction with length scale.

[0005] The utility model solves the above technical problem by the following technical scheme:

[0006] The utility model provides a kind of car needle of impacted tooth extraction with length scale, comprising:

[0007] Needle handle and needle head, the needle handle surface is equipped with first scale line, second scale line, third scale line and fourth scale line respectively, the needle head is fixedly connected with needle handle, the needle head surface is equipped with recess, and the needle head surface located at the edge of tool groove is equipped with notch.

[0008] In the technical scheme, the needle handle one end is fixedly connected with end, and the needle handle and end are fixedly connected with the output end of hand-held drill.

[0009] In the technical scheme, the needle handle one end is equipped with recess located below needle head, the needle head is conical structure, and the diameter below needle head is greater than the diameter of needle handle.

[0010] The needle top is provided with a cutting surface, and the surface of the needle is provided with a plurality of arc-shaped knife grooves.

[0011] In the technical solution, the end of the needle handle close to the needle is sequentially provided with a first scale line, a second scale line, a third scale line and a fourth scale line.

[0012] In the technical solution, the distance between the first scale line and the cutting surface of the needle is 10 mm, two second scale lines are arranged below the first scale line, and the distance between the two second scale lines and the distance between the second scale line and the first scale line are both 1 mm.

[0013] In the technical solution, the distance between the third scale line and the fourth scale line is 1 mm, and the distance between the third scale line and the cutting surface is 14 mm.

[0014] In the technical solution, the cross section of the knife groove is a triangular structure, and a plurality of notches are arranged on one side edge of the knife groove.

[0015] In the technical solution, the cross section of the notch is a triangular structure, and the notches are uniformly distributed on the surface of the drill bit.

[0016] In the technical solution, the length of the needle handle is greater than the length of the needle.

[0017] On the basis of conforming to the common sense of the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, each preferred example of the utility model is obtained.

[0018] The positive progress effect of the utility model lies in:

[0019] The length scale is marked on the impacted tooth removal drill needle, the length scale is marked on the impacted tooth removal drill needle, the working length is accurately evaluated, the depth of the drill needle into the tissue is clear, the cutting is prevented from being too shallow, the cutting efficiency is improved, important anatomical structures such as the inferior alveolar nerve and the maxillary sinus mucosa are protected, the important anatomical structures are prevented from being damaged by the drill needle entering too deep, different interval scales are adopted to facilitate better observation, visual fatigue problems caused by long-time direct vision are avoided, the working length can be accurately evaluated, and the safety of operation is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0021] Figure 2 It is a front view structure schematic view of the utility model.

[0022] Figure 3 It is a cutting surface three-dimensional structure schematic view of the utility model.

[0023] Figure 4The utility model discloses Figure 3 Partial enlarged structure schematic diagram of A place in the middle.

[0024] Figure 5 The utility model discloses

[0025] Figure 6 The utility model discloses

[0026] Mark explanation

[0027] 10, needle handle;11, first scale line;12, second scale line;13, third scale line;14, fourth scale line;15, recess;16, end head;20, needle head;21, cutting surface;22, cutter groove;23, notch. Specific implementation

[0028] The utility model will be further explained by the mode of embodiment below, but will not therefore limit the utility model in the embodiment range.

[0029] As Figures 1-6 The utility model discloses

[0030] The needle handle 10 and needle head 20, the needle handle 10 surface is set with first scale line 11, second scale line 12, third scale line 13 and fourth scale line 14 respectively, the needle head 20 is fixedly connected with the needle handle 10, the needle head 20 surface is equipped with recess 15, and the needle head 20 surface at cutter groove 22 edge is equipped with notch 23.

[0031] One end of the needle handle 10 is fixedly connected with the end head 16, and the needle handle 10 and the end head 16 are fixedly connected with the output end of the handheld drill machine;The needle handle 10 one end is set with the recess 15 located below the needle head 20, the needle head 20 is conical structure, and the diameter below the needle head 20 is greater than the diameter of the needle handle 10;The needle head 20 top is equipped with cutting surface 21, and the needle head 20 surface is equipped with a plurality of arc structure cutter grooves 22.

[0032] In the technical scheme, the needle handle 10 is installed with the handheld drill machine, the operation of the impacted tooth is realized, the cutting surface 21 can be quickly and efficiently cut, and the cutting rate is improved by using the plurality of cutter grooves 22.

[0033] The needle handle 10 is sequentially provided with a first scale line 11, a second scale line 12, a third scale line 13 and a fourth scale line 14 near one end of the needle head 20; the distance between the first scale line 11 and the cutting surface 21 of the needle head 20 is 10 mm, two second scale lines 12 are arranged below the first scale line 11, the distance between the two second scale lines 12 and the distance between the second scale line 12 and the first scale line 11 are both 1 mm; the distance between the third scale line 13 and the fourth scale line 14 is 1 mm, and the distance between the third scale line 13 and the cutting surface 21 is 14 mm.

[0034] In the technical solution, the scale of the first scale line 11 is set to 10 mm because the average width of the impacted tooth crown is 10 mm, the second scale line 12 is used for observing the depth length of the impacted tooth with different widths, and the third scale line 13 is set, different intervals can be used for convenient observation, the visual observation is easy to identify, and the fourth scale line 14 is used as the last scale, the working length is generally difficult to exceed 15 mm, and the fourth scale line 14 can be applied to most operations.

[0035] The cutter groove 22 is triangular in cross section, and a plurality of notches 23 are arranged on one side edge of the cutter groove 22; the notches 23 are triangular in cross section and uniformly distributed on the surface of the drill bit; and the length of the needle handle 10 is greater than the length of the needle head 20.

[0036] In the technical solution, the cutter groove 22 and the notches 23 can realize efficient cutting operation, improve the machining efficiency and ensure the cutting precision, and the recess 15 can make the debris quickly discharged during the operation, and the observation is convenient.

[0037] The utility model is not limited to the above-mentioned embodiment, no matter makes any change in its shape or structure, all fall in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims, and the person skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall into the protection scope of the utility model.

Claims

1. A tooth extraction carver with length scale, characterized in that, Include: The needle handle (10) and needle head (20), the needle handle (10) surface is respectively provided with first scale line (11), second scale line (12), third scale line (13) and fourth scale line (14), the needle head (20) is fixedly connected with needle handle (10), the needle head (20) surface is provided with recess (15), and the surface of needle head (20) located at the edge of the notch (23) of the cutter groove (22) is provided with notch (23).

2. The graduated tooth extraction carver pin of claim 1, wherein: The needle handle (10) is fixedly connected with the end (16) at one end, and the needle handle (10) and the end (16) are fixedly connected with the output end of the handheld drilling machine.

3. The graduated tooth extraction carver needle of claim 2, wherein: The needle handle (10) is fixedly connected with the end (16) at one end, and the needle handle (10) and the end (16) are fixedly connected with the output end of the handheld drilling machine.

4. The graduated tooth extraction carver needle of claim 1, wherein: The needle head (20) is provided with cutting surface (21) at the top, and the surface of the needle head (20) is provided with a plurality of arc-shaped cutter grooves (22).

5. The graduated tooth extraction carver needle of claim 1, wherein: The needle handle (10) is provided with first scale line (11), second scale line (12), third scale line (13) and fourth scale line (14) in sequence at one end close to needle head (20).

6. The graduated tooth extraction carver needle of claim 5, wherein: The distance between the first scale line (11) and the cutting surface (21) of the needle head (20) is 10mm, and two second scale lines (12) are provided below the first scale line (11), and the distance between the two second scale lines (12) and the distance between the second scale line (12) and the first scale line (11) are all 1mm.

7. The graduated tooth extraction carver needle of claim 5, wherein: The distance between the third scale line (13) and the fourth scale line (14) is 1mm, and the distance between the third scale line (13) and the cutting surface (21) is 14mm.

8. The graduated tooth extraction carver needle of claim 1, wherein: The cutter groove (22) is triangular in cross section, and a plurality of notches (23) are provided on one side edge of the cutter groove (22).

9. The graduated tooth extraction carver needle of claim 1, wherein: The notch (23) is triangular in cross section, and the notches (23) are uniformly distributed on the surface of the drill bit.

10. The graduated tooth extraction carver needle of claim 1, wherein: The length of the needle handle (10) is greater than the length of the needle head (20).

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