CN217244450U

CN217244450U - CT examining table extension structure and extension board

Info

Publication number: CN217244450U
Application number: CN202120428293.9U
Authority: CN
Inventors: 陆皓; 程祝忠; 杨童舒
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2022-08-23
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a CT examining table lengthening structure, which comprises an examining table and an lengthening plate, wherein one bed end of the examining table is provided with a slot, one plate end of the lengthening plate is provided with an inserting protrusion matched with the slot, the inserting protrusion is inserted into the slot, the lengthening plate is installed on the examining table, the contact part of the examining table and the lengthening plate is provided with a mutually matched gap sealing structure, the gap sealing structure is used for sealing the gap between the contact part of the examining table and the upper surface of the lengthening plate, so that the examining rays can penetrate through the gap sealing structure after penetrating through the gap between the examining table and the upper surface of the lengthening plate; the lengthening plate for the CT examining table comprises a lengthening plate body, wherein an inserting protrusion is arranged at one end of the lengthening plate body, and a protruding part protruding out of the end face is arranged at the end. The beneficial effects are as follows: the artifact of the CT image caused by the gap formed by connecting the CT examining table and the lengthened plate is eliminated, the quality of the CT examining image is improved, and the diagnosis accuracy is further ensured.

Description

CT examining table extension structure and extension board

Technical Field

The utility model relates to a medical bed technical field, concretely relates to CT inspection bed adds long structure and extension board.

Background

The CT examining table usually needs to be increased in length for examining patients in different body positions, and in the existing CT examining table, a gap is formed between the extension plate and the examining table after the CT examining table is installed. The slit causes the examination radiation to pass directly through the slit, which leads to artifacts in the patient's head during a CT scan. Thereby affecting the quality of the examination image and, in a serious case, the diagnostic result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that there is the gap in CT inspection bed and extension board, leads to the CT picture to appear the artifact, influences the accuracy of inspection image, and aim at provides a CT inspection bed extension structure and extension board, eliminates the CT picture because the CT inspection bed meets the artifact that produces with the extension board in the gap, improves CT inspection picture quality, further guarantees diagnostic accuracy nature.

The utility model discloses a following technical scheme realizes:

the utility model provides a CT inspection bed extension structure, includes inspection bed and extension board, one of them bed tip of inspection bed is equipped with the slot, one of them board tip of extension board be equipped with slot assorted insert protruding, insert protruding inserting in the slot, install the extension board on the inspection bed, the position that inspection bed and extension board contacted is equipped with the back clearance structure of mutual matching, the back clearance structure is used for blocking the gap that exists between inspection bed and the extension board upper surface looks contact department, makes inspection ray see through the back in the gap that exists between inspection bed and the extension board upper surface, follows the back is seen through to the back clearance structure.

The gap sealing structures which are matched with each other are arranged at the contact part of the examination bed and the lengthened plate and are used for sealing gaps between the contact parts of the examination bed and the upper surface of the lengthened plate, so that examination rays cannot directly pass through the gap air and need to pass through the gap sealing structures, the attenuation efficiency of the examination rays passing through the contact gaps is equal to that of the examination bed or the lengthened plate, and artifacts in CT images are avoided.

Preferably, the gap sealing structure is a plate inclined end face at the plate end part of the lengthened plate and a bed inclined end face of the inspection bed, and the bed inclined end face is matched with the plate inclined end face; after the examination bed is matched and installed with the lengthened plate, the inclined end face of the plate is matched with the inclined end face of the bed.

The inclined end face of the bed is matched with the inclined end face of the plate, so that the attenuation efficiency of the inspection ray passing through the joint gap between the inspection bed and the lengthened plate is equal to that of the inspection bed or the lengthened plate. Meanwhile, in the vertical direction, the gap between the inclined end surface of the plate and the inclined end surface of the bed is shortened to be within the minimum range, namely the gap between the inclined end surface of the plate and the inclined end surface of the bed has no length distribution in the horizontal direction and is not parallel to the inspection ray irradiated vertically.

Preferably, the gap sealing structure is a convex edge strip arranged at the plate end part of the lengthened plate; the convex edge strip is positioned at the bottom of the end part of the plate; after the examining bed is matched with the lengthened plate, the convex edge strip is positioned at the bottom of the examining bed.

The gap sealing structure is designed into the convex edge strip arranged at the plate end part of the lengthened plate, the convex edge strip is utilized to block a gap between the contact part of the examining bed and the upper surface of the lengthened plate, the examining ray can not directly pass through the gap between the examining bed and the lengthened plate, and the convex edge strip needs to be penetrated, because the convex edge strip is a part of the lengthened plate, the lengthened plate and the examining bed are made of the same material, the attenuation efficiency of the lengthened plate is equal, and therefore the artifact of a CT examining picture is avoided.

Preferably, the gap sealing structure is characterized in that an inclined convex surface is arranged at the plate end part of the lengthened plate and an inclined concave surface matched with the inclined convex surface is arranged at the bed end part of the examining bed; after the examination bed is matched and installed with the lengthened plate, the inclined convex surface is in contact and matching with the inclined concave surface.

The gap sealing structure is designed into the inclined convex surface of the lengthened plate and the inclined concave surface of the examining table, so that the examining rays cannot directly pass through a gap between the examining table and the lengthened plate and need to penetrate through the inclined convex surface of the lengthened plate.

Preferably, the gap sealing structure is a protrusion arranged at the plate end of the elongated plate, and a groove matched with the protrusion is arranged at the bed end of the examination bed; after the examining table is matched with the lengthened plate, the bulge is embedded into the groove.

The gap sealing structure is designed into the bulge of the lengthened plate and the groove of the examining table, so that the examining rays cannot directly pass through the gap between the examining table and the lengthened plate and need to penetrate through the bulge of the lengthened plate.

Preferably, the protrusions are V-shaped protrusions; the groove is a V-shaped groove.

Through adopting protruding and the V type groove phase-match of V type, utilize the guide orientation effect of V type, can realize simultaneously fast the accurate installation of extension board and inspection bed.

Preferably, the protrusion is a rectangular protrusion; the groove is a rectangular groove.

By adopting the matching of the rectangular protrusion and the rectangular groove, the cross section of the rectangle is larger than the shapes of V shape and the like, and the sectional area is larger, and the bearing capacity is stronger.

Preferably, the protrusion is an arc protrusion; the groove is an arc-shaped groove.

Through adopting arc arch and arc recess phase-match, utilize curved guiding orientation effect, can realize the accurate installation of extension board and inspection bed simultaneously fast.

The lengthening plate for the CT examining table comprises a lengthening plate body, wherein an inserting protrusion is arranged at one end of the lengthening plate body, and a protruding part protruding out of the end face is arranged at the end.

The end face is not a vertical plane by arranging the lug boss at the end part of the lengthened plate body, so that the inspection ray is blocked from passing through the air along the end face at the end face.

Preferably, the protruding portion is a convex edge strip, and the thickness direction of the convex edge strip protrudes out of the lower bottom surface of the elongated plate body.

The convex part is designed as a convex edge strip, and the convex edge strip is used for blocking the inspection ray from passing through the air along the end face.

Preferably, the convex part is an inclined convex surface or a V-shaped convex surface or a rectangular convex surface or an arc convex surface.

By designing the projection as an inclined convex surface or a V-shaped projection or a rectangular projection or an arc-shaped projection, the inspection ray is blocked from passing through the air along the end face by the projection.

Compared with the prior art, the utility model, following advantage and beneficial effect have: a lengthening structure and a lengthening plate of a CT examining table eliminate artifacts generated by a gap formed by connecting the CT examining table and the lengthening plate in a CT image, improve the quality of the CT examining image and further ensure the accuracy of diagnosis.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is an exploded view of an implementation structure of the lengthening structure of the CT examination bed of the present invention.

Fig. 2 is an assembly schematic of fig. 1.

Fig. 3 is an exploded view of another embodiment of the lengthening structure of the CT examining table of the present invention.

Fig. 4 is an assembly view of fig. 3.

Fig. 5 is an exploded view of another embodiment structure of the lengthening structure of the CT examination bed of the present invention.

Fig. 6 is an assembly view of fig. 5.

Fig. 7 is an exploded view of another embodiment structure of the lengthening structure of the CT examination couch of the present invention.

Fig. 8 is an assembled view of fig. 7.

Fig. 9 is an exploded view of another embodiment of the lengthening structure of the CT examination couch of the present invention.

Fig. 10 is an assembled view of fig. 9.

Fig. 11 is an exploded view of another embodiment of the lengthening structure of the CT examination couch of the present invention.

Fig. 12 is an assembled view of fig. 11.

Reference numbers and corresponding part names in the drawings:

1-elongated plate, 11-plate end, 110-plate inclined end face, 111-insertion protrusion, 112-convex edge strip, 113-inclined convex face, 114-V-shaped protrusion, 115-rectangular protrusion, 116-arc protrusion, 2-examining table 21-bed end, 210-bed inclined end face, 211-insertion slot, 212-inclined concave face, 213-V-shaped slot, 214-rectangular groove and 215-arc groove.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order to avoid obscuring the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example" or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Examples

As shown in fig. 1-12, the utility model relates to a CT examining table adds long structure, including examining table 2 and extension board 1, one of them bed end 21 of examining table 2 is equipped with slot 211, one of them board tip 11 of extension board 1 is equipped with inserts protruding 111 with slot 211 assorted, insert protruding 111 and insert in the slot 211, will add extension board 1 and install on examining table 2, the position that examining table 2 and extension board 1 contacted is equipped with the back clearance structure of mutual matching, the back is seen through in the clearance structure that is used for the back that exists between the contact department of the upper surface of back check table 2 and extension board 1 to the messenger's inspection ray from the gap that exists between examining table 2 and the extension board 1 upper surface, follows the back is seen through to the back clearance structure.

As shown in fig. 11 and 12, in some embodiments, the clearance sealing structure is a board-inclined end surface 110 of the board end 11 of the elongated board 1 and a bed-inclined end surface 210 of the bed end 21 of the examination bed 2 matching the board-inclined end surface 110; after the examination bed 2 is matched and installed with the lengthened plate 1, the inclined end surface 110 of the plate is matched with the inclined end surface 210 of the bed.

As shown in fig. 1 and 4, in some embodiments, the gap sealing structure is a flange strip 112 provided at the plate end 11 of the elongated plate 1; the said edge strips 112 are located at the bottom of the plate end 11; after the examining table 2 is installed in a matching way with the elongated plate 1, the convex edge strip 112 is positioned at the bottom of the examining table 2.

As shown in fig. 3 and 6, in some embodiments, the gap sealing structure provides the plate end 11 of the elongated plate 1 with an inclined convex surface 113 and the bed end 21 of the examination bed 2 with an inclined concave surface 212 matching the inclined convex surface 113; after the examination bed 2 is matched and installed with the elongated plate 1, the inclined convex surface 113 is in contact and matched with the inclined concave surface 212.

5-12, in some embodiments, the gap-sealing structure is a protrusion provided at the plate end 11 of the elongated plate 1, and a groove provided at the bed end 21 of the examining table 2 and matching with the protrusion; after the examining table 2 is matched and installed with the lengthened plate 1, the bulge is embedded into the groove.

As shown in fig. 5 and 8, in some embodiments, the protrusions are V-shaped protrusions 114; the groove is a V-shaped groove 213.

As shown in fig. 7 and 10, in some embodiments, the protrusions are rectangular protrusions 115; the recess is a rectangular recess 214.

As shown in fig. 9 and 12, in some embodiments, the protrusions are arcuate protrusions 116; the groove is an arc-shaped groove 215.

When the device is used, the contact part between the examination bed 2 and the lengthened plate 1 is provided with the gap sealing structure which seals the gap between the contact parts of the examination bed 2 and the upper surface of the lengthened plate 1, so that the examination rays cannot directly pass through the gap from the air in the gap, but need to penetrate through the gap sealing structure, and therefore when the examination rays pass through between the lengthened plate and the examination bed, the penetrated media are consistent without attenuation efficiency difference, and the artifacts are eliminated in a CT image. Thereby ensuring the accuracy of the inspection result.

As shown in fig. 1 to 12, an elongated plate for a CT examination bed includes an elongated plate body, wherein an insertion protrusion 111 is disposed at one end portion 11 of the elongated plate body, and the end portion 11 is provided with a protrusion protruding from an end surface.

As shown in fig. 1 and 4, in some embodiments, the protruding portion is a convex edge strip 112, and a thickness direction of the convex edge strip 112 protrudes from a lower bottom surface of the elongated plate body.

In some embodiments, as shown in FIGS. 3-12, the protrusions are slanted convex surfaces 113, V-shaped protrusions 114, rectangular protrusions 115, or arc-shaped protrusions 116.

When the CT device is used, the end part of the elongated plate is provided with the protruding part, so that the end part is not a plane in the vertical direction, after the CT device is installed on an examination bed and matched with the examination bed, examination rays cannot pass through the gap of the end part and need to penetrate through the protruding part, the penetrating media are consistent, the attenuation efficiency difference is avoided, and artifacts are eliminated in a CT image. Thereby ensuring the accuracy of the inspection result.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a CT inspection bed extension structure, includes inspection bed (2) and extension board (1), one of them end (21) of inspection bed (2) is equipped with slot (211), one of them board tip (11) of extension board (1) are equipped with inserts protruding (111) with slot (211) assorted, insert protruding (111) and insert in slot (211), install extension board (1) on inspection bed (2), characterized in that, the position that inspection bed (2) and extension board (1) contact is equipped with the structure of closing gap that matches each other, the structure of closing gap is used for closing up the gap that exists between inspection bed (2) and the upper surface of extension board (1) contact department, makes the inspection ray permeate through from the gap that exists between inspection bed (2) and the upper surface of extension board (1), from the structure of closing gap permeate through.

2. The lengthening structure of a CT examination bed according to claim 1, wherein the clearance-closing structures are a board-inclined end surface (110) of the board end (11) of the lengthening board (1) and a bed-inclined end surface (210) of the bed end (21) of the examination bed (2) matching the board-inclined end surface (110); after the examination bed (2) is matched and installed with the lengthened plate (1), the inclined end surface (110) of the plate is matched with the inclined end surface (210) of the bed.

3. A CT examination bed lengthening structure according to claim 1, wherein said endplay structure is a protruding strip (112) provided to the plate end (11) of said lengthening plate (1); the edge strips (112) are positioned at the bottom of the plate end part (11); after the examination bed (2) is matched with the elongated plate (1), the convex edge strip (112) is positioned at the bottom of the examination bed (2).

4. A CT examination bed lengthening structure according to claim 1, wherein said clearance-closing structure provides said plate end (11) of said lengthening plate (1) with an inclined convex surface (113) and said bed end (21) of said examination bed (2) with an inclined concave surface (212) matching said inclined convex surface (113); after the examination bed (2) is matched and installed with the lengthened plate (1), the inclined convex surface (113) is in contact and matched with the inclined concave surface (212).

5. The lengthening structure of a CT examination bed according to claim 1, wherein the clearance-closing structure is a protrusion provided at the plate end (11) of the lengthening plate (1), and a groove provided at the bed end (21) of the examination bed (2) and matching with the protrusion; after the examining bed (2) and the lengthened plate (1) are installed in a matched mode, the protrusions are embedded into the grooves.

6. The CT examination couch extension structure of claim 5, wherein the protrusion is a V-shaped protrusion (114); the groove is a V-shaped groove (213).

7. A CT table lengthening structure according to claim 5, wherein said protuberances are rectangular protuberances (115); the groove is a rectangular groove (214) or the protrusion is an arc-shaped protrusion (116), and the groove is an arc-shaped groove (215).

8. The lengthening plate for the CT examining table comprises a lengthening plate body, wherein an insertion protrusion (111) is arranged at one end part (11) of the lengthening plate body, and the lengthening plate is characterized in that a protrusion part protruding out of the end face is arranged at the end part (11).

9. The elongated plate for a CT examination bed according to claim 8, wherein the protrusion is a plate-inclined end surface (110), and the plate-inclined end surface (110) is an inclined end surface of the end portion (11) of the elongated plate body.

10. The elongated plate for a CT examination bed according to claim 8, wherein the protrusion is a convex edge strip (112), an inclined convex surface (113), a V-shaped protrusion (114), a rectangular protrusion (115) or an arc protrusion (116).