CN209996287U

CN209996287U - endoscope part for hand-held intraoral three-dimensional scanner

Info

Publication number: CN209996287U
Application number: CN201920434618.7U
Authority: CN
Inventors: 罗剑; 向贤毅; 庄富强; 张进; 王岱
Original assignee: Ningbo Freqty Photoelectric Technology Co Ltd
Current assignee: Ningbo Freqty Photoelectric Technology Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-31
Anticipated expiration: 2029-04-02

Abstract

The utility model provides kinds of peep portion for three-dimensional scanner in hand-held type mouth, three-dimensional scanner still includes handheld portion, peep the portion include with handheld portion can dismantle the second end of the end of connection and stretching into the oral cavity, the second end is provided with the light access mouth, be provided with reflect meter in the light access mouth, the reflect meter of peeping the portion and the contained angle that the main optical axis of projecting the light path formed are set up to 35 less than or equal to, perhaps more than or equal to 55.

Description

endoscope part for hand-held intraoral three-dimensional scanner

Technical Field

The utility model relates to a three-dimensional scanner field, concretely relates to kinds of department of peeping in that are used for hand-held type intraoral three-dimensional scanner.

Background

The intraoral three-dimensional scanner generally comprises a handheld part and an endoscopic part, when in use, a user can extend the endoscopic part into the oral cavity of a client to scan the scanned objects such as teeth, upper and lower jaws or tongues in the oral cavity, the user can set a corresponding diagnosis and treatment scheme according to the scanning result, and the accuracy of the scanning result is directly related to whether accurate diagnosis and treatment can be carried out.

Therefore, it is highly desirable to provide types of handheld intraoral three-dimensional scanning devices with accurate scanning results.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problem, the present invention provides types of endoscopic portions for a handheld intraoral three-dimensional scanner, the three-dimensional scanner further includes a handheld portion, the endoscopic portion includes a end detachably connected to the handheld portion and a second end extending into an oral cavity, the second end is provided with an optical channel port, a reflection device is disposed in the optical channel port, an included angle formed by the reflection device of the endoscopic portion and a main optical axis of a projection optical path is set to be less than or equal to 35 °, or greater than or equal to 55 °, steps are performed, the included angle is set to be 10 ° to 35 °, or 55 ° to 80 °, preferably, the included angle is set to be 35 °, or 55 ° steps are performed steps, the reflection device is a reflection mirror, and the handheld portion and the endoscopic portion adopt a connecting structure of clamping or screwing.

The utility model discloses it is a used for the interior department group of peeping of handheld intraoral three-dimensional scanner still to provide, the three-dimensional scanner still includes handheld portion, peep the portion group including peeping portion and the second in , peep the portion in , two and include end and the second end that stretches into the oral cavity of detachable connection with handheld portion, the second end is provided with the light passage mouth, be provided with reflect meter in the light passage mouth, the contained angle that reflect meter and the main optical axis of projection light path of department formed is set to be less than or equal to 35, the second contained angle that reflect meter and the main optical axis of projection light path of second peep the portion formed is set to be greater than or equal to 55 degree advance step, contained angle is set to 10 to 35, the second contained angle is set to 55 to 80 degree preferentially, is set to 35 degree, the second contained angle is set to 55 degree advance step, reflect meter is the speculum, hold the portion and the spiro union structure adoption of joint structure with the handheld portion.

Drawings

Fig. 1 and 2 are schematic structural views of an endoscopic portion of a handheld intraoral three-dimensional scanner according to an embodiment of the present invention ;

fig. 3 and 4 are schematic views of an endoscopic portion of a handheld intraoral three-dimensional scanner according to another embodiment of the present invention;

fig. 5 and 6 are schematic structural views of an endoscopic portion of a handheld intraoral three-dimensional scanner according to another embodiment of the present invention .

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Fig. 1 and 2 are schematic structural views of an endoscopic portion of a handheld intraoral three-dimensional scanner according to an embodiment of the present invention , fig. 3 and 4 are schematic structural views of an endoscopic portion of a handheld intraoral three-dimensional scanner according to another embodiment of the present invention, and fig. 5 and 6 are schematic structural views of an endoscopic portion of a handheld intraoral three-dimensional scanner according to another embodiment of the present invention.

As shown in fig. 1 to 6, the present invention provides a hand-held intraoral three-dimensional scanner comprising a hand-held portion and an endoscopic portion 1 detachably connected, wherein the endoscopic portion 1 comprises a main endoscopic portion and or more auxiliary endoscopic portions, the main endoscopic portion and the auxiliary endoscopic portions are selectively connected to the hand-held portion, i.e. the main endoscopic portion and the auxiliary endoscopic portions are not connected to the hand-held portion at the same time, in particular, when the main endoscopic portion is connected to the hand-held portion, the auxiliary endoscopic portions are not connected to the hand-held portion, when the auxiliary endoscopic portions are connected to the hand-held portion, the main endoscopic portion and the other auxiliary endoscopic portions are not connected to the hand-held portion, the main endoscopic portion and the auxiliary endoscopic portions each comprise a end detachably connected to the hand-held portion and a second end extending into the oral cavity, the second end is provided with an optical passage port 2 in which a reflecting device 3 is provided, the optical passage port 2 is provided with an outlet of the three-dimensional scanner to a projection object to be scanned in the oral cavity, and the optical passage 2 is provided with an angle formed by the reflecting device 3, and the auxiliary scanning optical path is formed by the reflecting device and the main endoscopic portion and the auxiliary scanning device, so that the auxiliary endoscopic portion and the auxiliary endoscopic portion are connected to form an angle formed in the handheld scanning axis.

The utility model discloses in, handheld portion can design into arbitrary convenience of customers handheld in order to carry out the structure of intraoral three-dimensional scanning operation. The connection between the hand-held portion and the endoscopic portion 1 may be any connection structure suitable for detachable connection, but the present invention is not limited thereto, and for example, a connection structure such as a snap connection or a screw connection may be adopted.

In the embodiment of the present invention, the main endoscope portion is a conventionally used endoscope portion, and the structure of the main endoscope portion may be the main endoscope portion 101 shown in fig. 1 and 2, as shown in fig. 1, the main endoscope portion 101 may be a trapezoid-like body, a square light channel window 3 is obliquely formed at the end portion of the second end, and a reflection device 3 is disposed in the light channel window 3, in examples, a main included angle formed by the reflection device 3 of the main endoscope portion 101 and a main optical axis of the projection light path may be 43 ° to 47 °, and preferably may be 45 ° or preferably about 45 ° (i.e. allowing industrial or machining errors), as shown in fig. 2, so that, when the three-dimensional scanner is normally used, the projection light projected to the reflection device 3 is projected to an object to be scanned (e.g. teeth) in a manner perpendicular or approximately perpendicular to the object to be scanned (e.g. teeth), thereby the scanning effect is better than the non-perpendicular or approximately perpendicular projection angle.

, in the embodiment of the present invention, the auxiliary endoscope portion and the main endoscope portion may have substantially the same structure, i.e. both trapezoid-like structures, with the difference being the angle between the reflection device and the main optical axis of the projection optical path, i.e. having a non-passing inclination angle, the plurality of auxiliary angles of the plurality of auxiliary endoscope portions may be different from each other, the present invention is not intended to limit the number of auxiliary endoscope portions, but in preferred examples, the endoscope portion 2 may include two auxiliary endoscope portions, auxiliary endoscope portion and a second auxiliary endoscope portion, which may have different structures as the

endoscope portions

102 and 103 shown in fig. 3 to 6, respectively, and of course, two or more auxiliary endoscope portions having different inclination angles may be provided according to actual needs.

In exemplary embodiments, the auxiliary angle formed by the reflection device 3 of the auxiliary endoscope portion 102 and the main optical axis of the projection optical path is smaller than the main angle, and the auxiliary angle formed by the reflection device 3 of the second auxiliary endoscope portion 103 and the main optical axis of the projection optical path is larger than the main angle.

According to the utility model discloses a this embodiment, the angle setting of supplementary contained angle satisfies following condition to guarantee that supplementary peeping portion can obtain better scanning effect when the region of the scanned object that the peeping portion can not obtain better scanning effect in the scanning owner:

the system comprises a main included angle A0, an auxiliary included angle A1 and an auxiliary included angle A2 of and a secondary auxiliary endoscopic part respectively, a V0, an effective visual angle of the intraoral three-dimensional scanner, an angle V0 of optional embodiments, an angle M of about 45 degrees and a maximum angle empirical value M of which the oral cavity can be opened, wherein the three-dimensional scanner can obtain scanning results meeting intraoral scanning requirements in the effective visual angle range, the oral cavity of a patient is or is statistically in most oral cavities of the patient, the oral cavity of the patient can be naturally opened or opened by non-invasive auxiliary medical equipment when the endoscopic part is inserted, the oral cavity is not an extremely special open angle recorded by a special light ray in the oral cavity or similar to a special open angle in the oral cavity, the oral cavity is preferably measured after a plurality of dental patients is inserted, the value M is about 20 degrees S, the value S is about 20 degrees, the value of a scanned object (such as a local object or a local object) and the normal ray recorded in the oral cavity is an extremely special open angle S of the oral cavity, the oral cavity is preferably measured after the endoscopic part is inserted, the oral cavity is an oral cavity, the oral cavity is preferably measured, the oral cavity is an oral cavity, the oral cavity is shown by an endoscopic part, the oral cavity is shown by an endoscopic part, the endoscopic part is shown by the endoscopic part, the endoscopic part is shown by the endoscopic part, the endoscopic.

According to , the auxiliary angle a1 of the auxiliary endoscope portion 102 is set to be greater than or equal to 10 °, and/or the auxiliary angle a2 of the second auxiliary endoscope portion 103 is set to be less than or equal to 80 °, so that the reflecting device 3 is not too long to be accommodated by the endoscope portion or not to be fully inserted into the oral cavity for three-dimensional scanning.

In another exemplary embodiments, the auxiliary angle formed by the reflection device 3 of the auxiliary endoscopic portion 102 and the main optical axis of the projection optical path is smaller than the main angle, and the auxiliary angle formed by the reflection device 3 of the second auxiliary endoscopic portion 103 and the main optical axis of the projection optical path is larger than the main angle.

Preferably, when the main angle a0 is 45 ° or about 45 °, the auxiliary angle a1 of the auxiliary endoscope portion 102 is set to be 35 ° or less, and/or the auxiliary angle a2 of the second auxiliary endoscope portion 103 is set to be 55 ° or more, so that the th and second auxiliary endoscope portions can be adapted to most of the main endoscope portions, thereby realizing omnidirectional scanning and obtaining accurate scanning results.

More preferably, as shown in fig. 4 and 6, the auxiliary included angles of the auxiliary

endoscopic portions

102 and 103 are 35 ° and 55 °, respectively, so that the projection light rays projected onto the reflection device 3 are projected onto the object to be scanned (e.g. a tooth) in a manner of being far away from the projection light rays and in a manner of being close to the projection light rays (the included angles between the incident light rays incident on the object to be scanned and the projection light rays are 110 ° and 70 °, respectively), so that it is possible to scan an area which cannot be scanned or cannot obtain a good scanning effect by the 45 ° main endoscopic portion using the 35 ° th auxiliary endoscopic portion and the 55 ° second auxiliary endoscopic portion, thereby realizing omnidirectional scanning, obtaining an accurate scanning result, and simultaneously controlling the size of the reflection device 3 within a reasonable range.

, the reflecting device 3 may be a mirror.

To sum up, the embodiment of the utility model provides a hand-held intraoral three-dimensional scanner, because peep the portion and the connection can be dismantled to handheld portion, peep the portion including peeping the portion in main and or a plurality of supplementary portions of peeping, and the angle that the reflect meter of peeping the portion in main and the reflect meter of projecting the light path formed with the main light axis of projecting the light path is different, therefore, can select the portion of peeping of different angles to be connected with handheld portion according to actual need, scan the scanned thing in the oral cavity, thereby can realize the all-round scanning to the scanned thing in the oral cavity, can scan the region that is difficult to scan or uses the portion of peeping in main and can not obtain better scanning effect, thereby can provide accurate scanning result.

The above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

an endoscopic portion for a handheld intraoral three-dimensional scanner further comprising a handle, wherein said endoscopic portion comprises a end detachably connected to said handle and a second end extending into the oral cavity;

the second end is provided with a light passage port, a reflecting device is arranged in the light passage port, and an included angle formed by the reflecting device of the endoscopic part and a main optical axis of the projection light path is set to be less than or equal to 35 degrees, or greater than or equal to 55 degrees.
2. The endoscopic portion of claim 1 wherein the included angle is set at 10 ° to 35 °, or 55 ° to 80 °.
3. The endoscopic portion of claim 2 wherein the included angle is set at 35 °, or 55 °.
4. The endoscopic portion of any of claims 1-3, wherein the reflecting device is a mirror.
5. The endoscopic portion of any of claims 1-3, wherein the handle portion and the endoscopic portion are adapted to be snap-fit or screw-fit together.
6, an endoscopic portion for a handheld intraoral three-dimensional scanner further comprising a handheld portion, wherein the endoscopic portion comprises a endoscopic portion and a second endoscopic portion, wherein each of the endoscopic portion and the second endoscopic portion comprises a end detachably connected with the handheld portion and a second end extending into an oral cavity;

the second end is provided with an optical channel opening, a reflecting device is arranged in the optical channel opening, a included angle formed by the reflecting device of the th endoscopic part and a main optical axis of the projection optical path is set to be less than or equal to 35 degrees, and a second included angle formed by the reflecting device of the second endoscopic part and the main optical axis of the projection optical path is set to be greater than or equal to 55 degrees.
7. The endoscopic portion of claim 6 wherein said angle is set at 10 ° to 35 °, and said second angle is set at 55 ° to 80 °.
8. The endoscopic portion of claim 7 wherein said angle is set to 35 ° and said second angle is set to 55 °.
9. The endoscopic portion of any of claims 6-8, wherein the reflecting device is a mirror.
10. The endoscopic portion of any of claims 6-8, wherein the handle portion and the endoscopic portion are adapted to be snap-fit or screw-fit together.