CN210109461U

CN210109461U - Dental film scanner capable of flexibly placing film box

Info

Publication number: CN210109461U
Application number: CN201921004837.8U
Authority: CN
Inventors: 徐涛峰; 曾星科; 刘蜀韬; 徐玉宝; 俞晓辉; 王益民; 饶玉明
Original assignee: Shen Tu Medical Imaging Device Co Ltd Of Shenzhen
Current assignee: Shen Tu Medical Imaging Device Co Ltd Of Shenzhen
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-02-21
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a can place dental lamina scanner of spool box in a flexible way, including scanning main part and dental lamina box body, the holding remains to scan phosphorescence piece in the dental lamina box body, the scanning main part includes laser scanning mechanism, dental lamina load-bearing mechanism, photoelectric conversion mechanism and shell, dental lamina load-bearing mechanism is used for bearing phosphorescence piece, laser scanning mechanism is used for scanning to phosphorescence piece transmission laser, photoelectric conversion mechanism receives the fluorescence that phosphorescence piece arouses, laser scanning mechanism, the equal holding of dental lamina load-bearing mechanism and photoelectric conversion mechanism is in the shell, be equipped with the through-hole that phosphorescence piece of being convenient for inserted or took out on the shell, the shell surface is equipped with the phosphorescence piece of being convenient for and can dismantle the fixed knot who connects in. Through can dismantle the dental film box body and fix in the scanning main part to realized the fixed of dental film box body, facilitate the use promptly, avoided the dental film box body to receive the interference of other environment again.

Description

Dental film scanner capable of flexibly placing film box

Technical Field

The utility model belongs to the technical field of computer X-ray photography imaging, especially, relate to a can place dental film scanner of spool box in a flexible way.

Background

In an oral X-ray radiography operation, if a phosphor sheet is used to receive radiation, an image on the phosphor sheet needs to be read out after radiography is completed. The dental film scanner is a device for reading phosphor film images and transmitting data of the phosphor film images to a terminal, and the dental film scanner on the market is generally complex in structure, high in cost and high in maintenance difficulty.

In an actual use scene, the phosphor sheet is required to be conveniently taken and placed near the dental film scanner, so that the working efficiency of an operator is improved. Existing dental film scanners are equipped with simple film cassettes for the operator to pick and place the phosphor films. Dental film scanners and film cassettes are commonly used in place on the operator's station of an exposure technician. The console usually holds a number of things simultaneously, such as inspection reports, operation records, chargers, folders, etc. The film box and various other objects are mixed on the table top, which not only occupies much space on the table top, but also is particularly easy to interfere the technicians to take and put the phosphor films. A few dental film scanners have a platform on the top on which the film cassette can be placed. However, the design can not effectively fix the wafer box, the area of the platform is small, and the wafer box is easy to overturn in actual work.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can place the dental film scanner of film box in a flexible way for solve the technical problem that can't effectively fix the film box among the prior art.

The utility model provides a can place dental film scanner of spool box in a flexible way, including scanning main part, shell and be used for the dental film box body of holding phosphorescence piece, scanning main part holding in the shell, the scanning main part includes laser scanning mechanism, dental film bearing mechanism and photoelectric conversion mechanism, dental film bearing mechanism is used for bearing phosphorescence piece, laser scanning mechanism be used for to phosphorescence piece emission laser that preforming bearing mechanism bore scans, be equipped with on the shell and be convenient for phosphorescence piece inserts or the through-hole that takes out, the shell surface be equipped with be convenient for the dental film box body can dismantle connect in the fixed knot of shell constructs.

Wherein, fixed knot constructs including magnet piece and steel sheet, the magnet piece is fixed in the dental lamina box body, the shell includes metal dustcoat and plastic casing, the steel sheet is fixed in the plastic casing, the magnetic attraction effect laminating of dental lamina box body through the magnet piece is in on the steel sheet.

Wherein, the plastic casing surface is equipped with the instruction of being convenient for instruct the tooth film box body adsorbs the protruding, tooth film box body surface be equipped with instruct protruding looks adaptation's recess.

The dental film scanner capable of flexibly placing the film box further comprises a phosphorescence sheet erasing mechanism for erasing information of phosphorescence sheets which finish information scanning, and the phosphorescence sheet erasing mechanism is fixed on the dental film bearing mechanism.

The laser scanning mechanism comprises a laser, a high-frequency vibrating mirror and a vibrating mirror motor, the vibrating mirror motor is fixed on the high-frequency vibrating mirror, a laser emitting end of the laser is opposite to a reflecting surface of the high-frequency vibrating mirror, and the vibrating mirror motor drives the high-frequency vibrating mirror to rotate so that laser emitted by the laser forms a laser beam to be reflected to the phosphor plate.

The dental film bearing mechanism comprises a tray and a tray moving assembly, the tray is movably connected to the tray moving assembly, in an initial state, the tray extends out of the through hole in the shell and bears the phosphorescent film, and in a scanning process, the tray horizontally moves under the driving of the tray moving assembly and carries out information scanning.

The tray moving assembly comprises a moving motor, a screw rod, a screw nut and a linear guide rail, one end of the screw rod is rotatably connected with the power end of the moving motor, the other end of the screw rod is rotatably connected with the screw nut, the screw nut is slidably connected onto the linear guide rail, and the tray is fixed onto the screw nut.

Wherein, the extending end of the tray is provided with a notch which is convenient for taking and placing the phosphor sheet.

The photoelectric conversion mechanism comprises a fluorescence collector and a photomultiplier, the fluorescence collector is used for transmitting fluorescence emitted by the phosphorescence sheet, the photomultiplier is used for converting the fluorescence into an electric signal, one end of the fluorescence collector is connected with the dental sheet bearing mechanism, the other end of the fluorescence collector is connected with the photomultiplier, and the fluorescence collector is further provided with a laser hole through which laser emitted by the laser scanning mechanism can pass conveniently.

The tablet scanner further comprises a PCB, wherein the input end of the PCB is electrically connected with the output end of the photoelectric conversion mechanism, and the output end of the PCB is electrically connected with the input end of the laser scanning mechanism and the input end of the dental film bearing mechanism respectively.

The dental film scanner capable of flexibly placing the film box further comprises a base, a vertical support and an optical support, wherein the dental film bearing mechanism is fixed on the base, the vertical support is led out from the end part of the base, the optical support is fixed on the vertical support, and the laser scanning mechanism and the photoelectric conversion mechanism are respectively fixed at different positions of the optical support.

From the foregoing the embodiment of the utility model provides a, the utility model provides a can place dental film scanner of spool box in a flexible way fixes in the scanning main part through can dismantling the dental film box body to realized the fixed of dental film box body, facilitate the use promptly, avoid the dental film box body to receive the interference of other environment again. The phosphor piece to be scanned is placed on the tooth piece bearing mechanism, laser is projected to the phosphor piece by the laser scanning mechanism, the phosphor piece is excited to emit fluorescence with specific wavelength, and the fluorescence signal is collected and converted into an electric signal by the photoelectric conversion mechanism to be digitized, so that an analysis result is obtained. The utility model discloses a can place dental film scanner of spool box in a flexible way multiple functional, convenient to use, the reliability is high, and the fault rate is little, is suitable for to obtain the wide application.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a dental film scanner with a flexible film cassette;

FIG. 2 is a partial exploded view of a dental film scanner with a flexible film cassette of the present invention;

FIG. 3 is a structural diagram of the plastic housing of the present invention;

FIG. 4 is a structural view of the dental film box of the present invention;

FIG. 5 is a schematic diagram of a dental film scanner with a flexible film cassette for removing the plastic shell according to the present invention;

FIG. 6 is a schematic view of a scanning main body of a dental film scanner with a flexible film cassette of the present invention;

fig. 7 is a partial structure view of a laser scanning mechanism of a dental film scanner capable of flexibly placing a film box.

Description of the main elements:

1. scanning the subject; 2. a dental film cartridge; 3. a fixed structure; 4. a housing; 11. a laser scanning mechanism; 12. A dental film carrying mechanism; 13. a photoelectric conversion mechanism; 15. a phosphor sheet erasing mechanism; 16. a base; 17. a vertical support; 18. an optical mount; 21. a groove; 31. a steel plate; 32. a magnet block; 41. a metal housing; 42. A plastic housing; 421. an indication projection; 111. a laser; 112. a high-frequency galvanometer; 113. a galvanometer motor; 121. a tray; 122. a tray moving assembly; 1211. a recess; 1221. a moving motor; 1222. a screw rod; 1223. a feed screw nut; 1224. a linear guide rail; 131. a fluorescent light collector; 132. a photomultiplier tube.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-7, the utility model discloses a can place dental film scanner of film box in a flexible way, including scanning main part 1, shell 4 and be used for holding the dental film box body 2 of phosphorescence piece, scanning main part 1 holding is in shell 4, scanning main part 1 includes laser scanning mechanism 11, dental film load-bearing mechanism 12 and photoelectric conversion mechanism 13, dental film load-bearing mechanism 12 is used for bearing the phosphorescence piece, laser scanning mechanism 11 is used for emitting laser to the phosphorescence piece that preforming load-bearing mechanism bore, be equipped with the through-hole 141 that the phosphorescence piece of being convenient for inserted or takes out on shell 4, shell 4 surface is equipped with the fixed knot who is convenient for dental film box body 2 can dismantle and connect in shell 4 and construct.

Compared with the prior art, the utility model provides a can place the dental film scanner of film box in a flexible way fixes on scanning main part 1 through can dismantling dental film box body 2 to realized the fixed of dental film box body 2, facilitate the use promptly, avoid dental film box body 2 to receive the interference of other environment again. Phosphor sheets to be scanned are placed on the tooth sheet bearing mechanism 12, laser is projected to the phosphor sheets by the laser scanning mechanism 11, the phosphor sheets are excited to emit fluorescence with specific wavelength, and the fluorescence signals are collected and converted into electric signals by the photoelectric conversion mechanism 13 to be digitized, so that analysis results are obtained. The utility model discloses a can place the dental film scanner of spool box in a flexible way multiple functional, convenient to use is suitable for and obtains the wide application.

Referring to fig. 1 and 3, the fixing structure 3 includes a magnet block 31 and a steel plate 32, the magnet block 31 is fixed in the dental film box 2, the housing 4 includes a metal housing 41 and a plastic shell 42, the steel plate 32 is fixed in the plastic shell 42, and the dental film box 2 is attached to the steel plate 32 by the magnetic attraction of the magnet block 31. The detachable connection between the dental film box body 2 and the shell 4 can be realized through the magnetic attraction between the magnet block 31 and the steel plate 32, and the two parts are not influenced by each other when being used separately.

In this embodiment, the plastic housing outer surface is provided with an indication protrusion 421 for indicating the adsorption position of the dental film box body 2, and the outer surface of the dental film box body 2 is provided with a groove 21 matched with the indication protrusion. The volume of the groove 21 is larger than that of the indicating protrusion 421 so that the groove 21 can be stably attached to the plastic housing 42 without being precisely positioned.

In another embodiment, the fixing structure is a clamping groove fixed on the outer surface of the housing 4, and a buckle matched with the clamping groove is arranged on the dental film box body 2 and detachably fixed in the clamping groove.

Of course, the present invention is not limited to the detachable connection manner, and the dental film box body 2 can be fixed on the shell 4 in a hook manner; or can be fixed on the shell 4 in the form of a vacuum chuck; as long as can realize that dental film box body 2 can dismantle the structural design who connects on shell 4, all belong to the simple deformation or the transform of this scheme, should fall into the utility model discloses a protection scope.

In this embodiment, the dental film scanner capable of flexibly placing the film box further comprises a phosphor sheet erasing mechanism 15 for erasing information of the phosphor sheet after completing the information scanning, and the phosphor sheet erasing mechanism 15 is fixed on the dental film bearing mechanism 12. The phosphor sheet erasing mechanism 15 is an LED lamp panel, and when the phosphor sheet on the tray 121 is scanned, and exits the housing 4, the LED lamp panel emits white light to erase image information on the phosphor sheet for the next X-ray exposure. The utility model discloses a can place dental film scanner of spool box in a flexible way both can play the scanning effect, still carry out the information of phosphorescence piece simultaneously and erase, can improve operator's availability factor greatly.

Referring to fig. 3, the laser scanning mechanism 11 includes a laser 111, a high frequency mirror 112 and a mirror motor 113, the mirror motor 113 is fixed on the high frequency mirror 112, a laser emitting end of the laser 111 is opposite to a reflective surface of the high frequency mirror 112, and the mirror motor 113 drives the high frequency mirror 112 to rotate so that laser beams emitted by the laser 111 are reflected to the phosphor plate. When the phosphor sheet is placed under the high frequency mirror 112, the laser 111 starts emitting laser light to the high frequency mirror 112 while the high frequency mirror 112 is vibrated at a high frequency in a range of 15 degrees to reflect and scan the laser light to the entire width range of the tray 121, thereby forming laser lines to scan the entire width direction of the phosphor sheet.

In this embodiment, the dental film bearing mechanism 12 includes a tray 121 and a tray moving assembly 122, the tray 121 is movably connected to the tray moving assembly 122, in an initial state, the tray 121 extends out of the through hole of the housing 4 and bears the phosphor film, and in a scanning process, the tray 121 is driven by the tray moving assembly 122 to move horizontally and perform information scanning. The tray moving assembly 122 comprises a moving motor 1221, a screw 1222, a screw nut 1223 and a linear guide 1224, wherein one end of the screw 1222 is rotatably connected with the power end of the moving motor 1221, the other end of the screw 1222 is rotatably connected with the screw nut 1223, the screw nut 1223 is slidably connected on the linear guide 1224, and the tray 121 is fixed on the screw nut 1223.

The moving motor 1221 drives the screw 1222 to rotate, so that the screw nut 1223 moves linearly on the screw 1222, and the screw nut 1223 is connected to the tray 121 to drive it to move on the linear guide 1224. As the tray 121 is moved stepwise, the laser light is scanned stepwise in the lengthwise direction of the phosphor sheet, and the collection of fluorescence is finally completed over the entire phosphor sheet. After the reading is completed, the moving motor 1221 rotates in the reverse direction, and the tray 121 is discharged.

In this embodiment, the protruding end of the tray 121 is provided with a notch 1211 for facilitating taking and placing of the phosphor sheet. The provision of the recess 1211 makes the handling of the phosphor sheet easier and the positioning more accurate. The opening direction of the notch 1211 is not limited to the end of the tray 121, and may be on both sides of the tray 121, as the case may be.

In this embodiment, the photoelectric conversion mechanism 13 includes a fluorescent light collector 131 and a photomultiplier 132, the fluorescent light collector 131 is used for transmitting fluorescent light emitted by the phosphor sheet, the photomultiplier 132 is used for converting the fluorescent light into an electrical signal, one end of the fluorescent light collector 131 is connected to the dental sheet carrying mechanism 12, the other end of the fluorescent light collector 131 is connected to the photomultiplier 132, and the fluorescent light collector 131 is further provided with a laser hole for allowing laser light emitted by the laser scanning mechanism 11 to pass through. The laser hole on the fluorescent collector 131 limits the irradiation range of the laser, and also guides the collection of the fluorescent signal, so that the collection efficiency of the fluorescent signal is higher.

In this embodiment, the tablet scanner further includes a PCB, an input end of the PCB is electrically connected to an output end of the photoelectric conversion mechanism 13, and an output end of the PCB is electrically connected to an input end of the laser scanning mechanism 11 and an input end of the dental film bearing mechanism 12, respectively. The PCB can amplify, analyze and process the electric signals, and is favorable for automatic management.

In this embodiment, the dental film scanner capable of flexibly placing the film cassette further comprises a base 16, a vertical support 17 and an optical support 18, wherein the dental film bearing mechanism 12 is fixed on the base 16, the vertical support 17 is led out from the end of the base 16, the optical support 18 is fixed on the vertical support 17, and the laser scanning mechanism 11 and the photoelectric conversion mechanism 13 are respectively fixed at different positions of the optical support 18. The optical support 18 mainly plays a role in fixing the laser scanning mechanism 11 and the photoelectric conversion mechanism 13, so that each component works more stably and is more convenient to use.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims

1. The dental film scanner capable of flexibly placing the film box is characterized by comprising a scanning main body (1), a shell (4) and a dental film box body (2) used for containing a phosphorescence sheet, wherein the scanning main body (1) is contained in the shell (4), the scanning main body (1) comprises a laser scanning mechanism (11), a dental film bearing mechanism (12) and a photoelectric conversion mechanism (13), the dental film bearing mechanism (12) is used for bearing the phosphorescence sheet, the laser scanning mechanism (11) is used for emitting laser to the phosphorescence sheet borne by the dental film bearing mechanism for scanning, a through hole (141) convenient for the phosphorescence sheet to be inserted or taken out is formed in the shell (4), and a fixing structure (3) convenient for the dental film box body (2) to be detachably connected to the shell (4) is arranged on the outer surface of the shell (4).

2. The dental film scanner capable of flexibly placing the film box as claimed in claim 1, wherein the fixing structure (3) comprises a magnet block (31) and a steel plate (32), the magnet block is fixed in the dental film box body (2), the housing (4) comprises a metal outer cover (41) and a plastic shell (42), the steel plate (32) is fixed in the plastic shell (42), and the dental film box body (2) is attached to the steel plate through the magnetic attraction of the magnet block.

3. The dental film scanner capable of flexibly placing the film box as claimed in claim 2, wherein the outer surface of the plastic shell (42) is provided with an indication protrusion (421) for indicating the absorption position of the dental film box body (2), and the outer surface of the dental film box body (2) is provided with a groove (21) matched with the indication protrusion (421).

4. The flexible cassette dental film scanner of claim 1, further comprising a phosphor film erasing mechanism (15) for erasing information of the phosphor film scanned, wherein the phosphor film erasing mechanism (15) is fixed on the dental film carrying mechanism (12).

5. The dental film scanner capable of flexibly placing the film cassette as claimed in claim 1, wherein the laser scanning mechanism (11) comprises a laser (111), a high frequency galvanometer (112) and a galvanometer motor (113), the galvanometer motor (113) is fixed on the high frequency galvanometer (112), a laser emitting end of the laser (111) is opposite to a light reflecting surface of the high frequency galvanometer (112), and the galvanometer motor (113) drives the high frequency galvanometer (112) to rotate so that laser forming laser beams emitted by the laser (111) are reflected to the phosphor film.

6. The dental film scanner capable of flexibly placing the film box as claimed in claim 1, wherein the dental film carrying mechanism (12) comprises a tray (121) and a tray moving assembly (122), the tray (121) is movably connected to the tray moving assembly (122), in an initial state, the tray (121) extends out of the through hole (141) on the housing (4) and carries the phosphor film, and in a scanning process, the tray (121) is driven by the tray moving assembly (122) to move horizontally and scan information.

7. The flexible cassette scanner as set forth in claim 6, wherein the tray moving assembly (122) comprises a moving motor (1221), a lead screw (1222), a lead screw nut (1223) and a linear guide (1224), one end of the lead screw (1222) is rotatably connected to the power end of the moving motor (1221), the other end of the lead screw (1222) is rotatably connected to the lead screw nut (1223), the lead screw nut (1223) is slidably connected to the linear guide (1224), and the tray (121) is fixed to the lead screw nut (1223).

8. The dental film scanner capable of flexibly placing the film cassette as claimed in claim 1, wherein the photoelectric conversion mechanism (13) comprises a fluorescence collector (131) and a photomultiplier (132), the fluorescence collector (131) is used for transmitting fluorescence emitted by the phosphor film, the photomultiplier (132) is used for converting the fluorescence into an electrical signal, one end of the fluorescence collector (131) is connected with the dental film carrying mechanism (12), the other end of the fluorescence collector (131) is connected with the photomultiplier (132), and the fluorescence collector (131) is further provided with a laser hole for allowing laser emitted by the laser scanning mechanism (11) to pass through.

9. The dental film scanner capable of flexibly placing the film box as claimed in claim 1, further comprising a PCB board, wherein an input end of the PCB board is electrically connected with an output end of the photoelectric conversion mechanism (13), and an output end of the PCB board is electrically connected with an input end of the laser scanning mechanism (11) and an input end of the dental film carrying mechanism (12), respectively.

10. The flexible cassette dental film scanner of claim 1, further comprising a base (16), a vertical support (17), and an optical support (18), wherein the dental film carrier (12) is fixed on the base (16), the vertical support (17) is led out from the end of the base (16), the optical support (18) is fixed on the vertical support (17), and the laser scanning mechanism (11) and the photoelectric conversion mechanism (13) are respectively fixed on different positions of the optical support (18).