CN215687934U

CN215687934U - Sliding frame for medical diagnostic bed and medical diagnostic bed

Info

Publication number: CN215687934U
Application number: CN202121462588.4U
Authority: CN
Inventors: 张文; 任志林
Original assignee: Beijing Wandong Medical Technology Co ltd
Current assignee: Beijing Wandong Medical Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-01
Anticipated expiration: 2031-06-29

Abstract

The application provides a medical diagnosis bed and sliding frame for the same, and relates to the field of medical instruments. The sliding frame for the medical diagnosis bed comprises a support, an upright post, an installation part, a flat panel detector and a linkage mechanism. The fixed end of the upright post is rotatably arranged on the support, the free end of the upright post extends to one end far away from the support, and the mounting part is arranged on the upright post and is used for mounting an X-ray source; the flat panel detector is arranged on the support in a sliding mode in the left-right direction, the flat panel detector is provided with a receiving portion used for receiving X-rays, the linkage mechanism is respectively connected with the flat panel detector and the stand column, the linkage mechanism can convert the rotating motion of the stand column into the linear motion of the flat panel detector in the left-right direction, so that the receiving portion of the flat panel detector can always receive the X-rays emitted by the X-ray source, the reduction of the projection area is avoided, and the technical problem that the diagnosis application range is limited is solved.

Description

Sliding frame for medical diagnostic bed and medical diagnostic bed

Technical Field

The application relates to the field of medical instruments, in particular to a sliding frame for a medical diagnosis bed and the medical diagnosis bed.

Background

The gastrointestinal diagnostic bed is indispensable fixed medical diagnostic equipment of hospital, and some present high-end gastrointestinal diagnostic beds provide slope projection and tomography function, and when the X-ray source was fixed as an organic whole through the support of stand and carriage, the unilateral rotation along with the stand on the support of tube ball pillar, and the flat panel detector of installation on the support is static, leads to producing the displacement between X-ray axis and the flat panel detector central line like this, and the area of projection reduces like this, makes the diagnosis range of application restricted.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide a trolley frame for a medical diagnostic bed and a medical diagnostic bed, which can solve the technical problems of reduced projection area and limited diagnostic application range caused by the above reasons.

In a first aspect, an embodiment of the present application provides a skid frame for a medical diagnostic bed, which includes a support, a column, a mounting portion, a flat panel detector, and a linkage mechanism.

The fixed end of the upright post is rotatably arranged on the support, and the free end of the upright post extends towards one end far away from the support, so that the free end can swing around the fixed end in a left-right direction in a reciprocating mode.

The installation department sets up in the stand, and the installation department is used for installing the X ray source.

The flat panel detector has a receiving portion for receiving the X-rays, and is slidably disposed on the support in the left-right direction.

The linkage mechanism is respectively connected with the flat panel detector and the upright column, and when the upright column swings, the linkage mechanism can convert the rotary motion of the upright column into the linear motion of the flat panel detector along the left and right directions, so that the receiving part of the flat panel detector can always receive the X rays emitted by the X-ray source.

In the implementation process, the X-ray source is connected with the support through the installation part and the stand column as a whole, the X-ray source is respectively connected with the flat panel detector and the stand column through the linkage mechanism at the moment, the flat panel detector is linked with the stand column, the stand column is converted into the linear motion of the flat panel detector along the left and right directions through the linkage mechanism, the receiving part of the flat panel detector can always receive the X-rays emitted by the X-ray source, the reduction of the projection area caused by the ray deviation of the receiving part of the flat panel detector and the X-ray source is avoided, and the problem that the diagnosis application range is limited is caused.

In one possible embodiment, the linkage mechanism includes a guide and a slider.

The guide seat is connected with the fixed end and is provided with a linear guide groove extending along the axial direction of the upright post. The sliding block is arranged on the support in a sliding mode along the left and right direction, connected with the flat panel detector and embedded in the linear guide groove in a sliding mode.

In the implementation process, the linkage mechanism is simple, compact and reliable in structure, accurate in transmission movement position, and capable of accurately adjusting the central line of the flat panel detector and the axis of the X-ray source and keeping the two coincident.

Specifically, the sliding block is slidably arranged on the support in the left-right direction, that is, the upper position and the lower position of the sliding block are not changed, when the upright post swings leftwards (the X-ray source moves synchronously), the guide seat arranged at the fixed end tends to move rightwards and upwards, the groove wall of the linear guide groove drives the sliding block to move rightwards in the moving process, and the linear guide groove extends along the axial direction of the upright post, so that the receiving part of the flat panel detector can always receive the X-rays emitted by the X-ray source after the sliding block moves rightwards and the free end swings leftwards. The same can be said for the right swing.

In one possible embodiment, the slider comprises: slider body and guide block.

The slider body sets up in the support along left and right direction slidable, and the guide block sets up in the slider body towards one side of guide holder, and the guide block inlays to be located in the straight line guide slot slidable.

In the implementation process, the structure is simple, the sliding block can move along the linear guide groove and the first linear guide rail, and the sliding block and the first linear guide rail do not interfere with each other.

In a possible embodiment, the guide block is rotatably provided to the slider body.

In the implementation process, the arrangement can ensure that the guide block and the side wall of the linear guide groove are in rolling friction, the effect of friction force is reduced, the follow-up adjustment accuracy is ensured, and the receiving part of the flat panel detector can always receive the X rays emitted by the X-ray source.

Optionally, the guide block is a cylinder.

In the implementation process, the arrangement of the cylinder further reduces the friction force between the side walls of the guide block and the linear guide groove, and the adjustment accuracy is improved.

In one possible embodiment, the guide block is adjacent to the top end of the slider body.

In the implementation process, the left-right swinging angle of the upright post is improved as much as possible, the angle of inclined projection is enlarged, and the application range of the medical diagnostic bed is enlarged.

In a possible embodiment, the trolley frame for the medical diagnosis bed comprises a first linear guide rail and a second linear guide rail which are arranged on the support, the first linear guide rail extends along the left-right direction, the first linear guide rail and the second linear guide rail are arranged in parallel and at intervals, the sliding block is provided with a sliding groove matched with the first linear guide rail, and the flat panel detector is slidably embedded in the second linear guide rail.

In the implementation process, the flat panel detector and the sliding block are guaranteed to stably move along the left direction and the right direction through the arrangement of the first linear guide rail and the second linear guide rail, deviation cannot occur, and therefore the accuracy of adjusting the coincidence of the central line of the rear flat panel detector and the axis of the X-ray source is improved.

In a possible embodiment, the trolley frame for the medical diagnostic bed further comprises a connecting rod, and two ends of the connecting rod are respectively connected with the sliding block and the flat panel detector.

In the implementation process, the flat panel detector and the sliding block are fixed together to synchronously move in the same direction through the arrangement of the connecting rod.

In a possible embodiment, the sliding frame for the medical diagnosis bed further comprises a driving mechanism, the driving mechanism is in transmission connection with the upright column, and the driving mechanism drives the free end to swing back and forth around the fixed end.

In a second aspect, an embodiment of the present application provides a medical diagnostic bed, which includes a bed body and the trolley frame for a medical diagnostic bed provided in the first aspect of the present application, the bed body is provided with a guide portion for guiding the trolley frame for a medical diagnostic bed, the support is in sliding fit with the guide portion, the X-ray source is located above the bed body, and the flat panel detector is located below the bed body.

In the implementation process, the sliding frame for the medical diagnosis bed and the bed body are integrated, and the structure improvement of the sliding frame for the medical diagnosis bed can enable the receiving part of the flat panel detector to always receive the X-rays emitted by the X-ray source during oblique projection and tomography, thereby ensuring that the projection area is not influenced by the movement of the X-ray source.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a first perspective structural view of a carriage frame for a medical diagnostic bed;

FIG. 2 is a schematic view of an assembly of a column and a flat panel detector;

FIG. 3 is a schematic view of the linkage mechanism and the flat panel detector assembled;

fig. 4 is a partially enlarged view of the portion iv in fig. 3.

Icon: 10-a sliding frame for a medical diagnostic bed; 100-a support; 101-a detector support plate; 103-a second linear guide; 105-a connecting rod; 110-upright post; 111-fixed end; 113-free end; 114-a mounting portion; 120-X-ray source; 130-flat panel detector; 140-a linkage mechanism; 141-a guide seat; 1411-a connecting plate; 1413-seat body; 1415-linear guide slots; 143-a first linear guide; 145-a slider; 1451-a slider body; 1453-a guide block; 150-drive mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

The application provides a medical diagnostic bed which can be used as a gastrointestinal diagnostic bed in gastrointestinal tract department.

The medical diagnosis bed comprises a sliding frame for the medical diagnosis bed and a bed body.

Referring to fig. 1, the carriage 10 for the medical diagnostic couch includes a base 100, a column 110, a mounting portion 114, an X-ray source 120, a flat panel detector 130, and a linkage 140.

The cradle 100 has a front-back direction, a left-right direction, and an up-down direction perpendicular to each other as shown in fig. 2.

Referring to fig. 1 and 2, the upright 110 has a fixed end 111 and a free end 113 opposite to each other, the fixed end 111 is rotatably disposed on the support 100, for example, the fixed end 111 is pivotally connected to the support 100, or a rotation reducer is used for connection, as shown in fig. 1, the fixed end 111 is annular, an axis of the annular fixed end 111 is arranged along a front-back direction, and the free end 113 of the upright 110 extends to an end far away from the support 100, so that the free end 113 can swing back and forth around the fixed end 111 in a left-right direction.

Optionally, the medical diagnostic bed slide frame 10 further includes a driving mechanism 150, the driving mechanism 150 is disposed on the support 100 and behind the upright 110, and the driving mechanism 150 is in transmission connection with the upright 110 to drive the free end 113 to swing back and forth around the fixed end 111.

The driving mechanism 150 may be a servo motor, which precisely controls the angle of the free end 113 swinging around the fixed end 111.

Mounting portion 114 is provided to upright 110, and extends forward of upright 110.

The X-ray source 120 is disposed on the mounting portion 114 and faces the flat panel detector 130, the X-ray source 120 is used for emitting X-rays, and the X-ray source 120 is specifically, for example, an X-ray tube.

The flat panel detector 130 has a receiving portion (not shown) for receiving X-rays emitted from the X-ray source 120 to obtain a clinical image, and the flat panel detector 130 is slidably disposed on the support 100 in the left-right direction.

Alternatively, the support 100 may be provided with a probe support plate 101, the probe support plate 101 extending toward the front of the support 100, and the flat panel probe 130 slidably provided in the left-right direction on the top wall of the probe support plate 101. As shown in fig. 2, the center line of the receiving portion of the flat panel detector 130 may coincide with the axis of the X-ray source 120 when the column 110 is in the up-down direction (i.e., when the axis of the column 110 is perpendicular to the front-back direction and the left-right direction).

Optionally, the trolley frame 10 for the medical diagnostic bed includes a second linear guide 103, the second linear guide 103 is disposed on the detector support plate 101, the second linear guide 103 extends in the left-right direction, the flat panel detector 130 is slidably embedded in the second linear guide 103, and the flat panel detector 130 can move smoothly in the left-right direction by the arrangement of the second linear guide 103.

The linkage mechanism 140 is respectively connected with the flat panel detector 130 and the upright column 110, and further when the upright column 110 swings, the linkage mechanism 140 can convert the rotation motion of the upright column 110 into the linear motion of the flat panel detector 130 along the left-right direction, so that the receiving part of the flat panel detector 130 can always receive the X-rays emitted by the X-ray source, and the problem that in the actual use process, the receiving part of the flat panel detector 130 is staggered with the X-rays emitted by the X-ray source 120 due to reasons such as asynchronous movement of the X-ray source 120 and the flat panel detector 130, and the projection area is reduced is solved.

Referring to fig. 3 and fig. 4, in the present embodiment, the linkage mechanism 140 includes: a guide 141 and a slider 145.

The guide seat 141 includes a connecting plate 1411 and a seat body 1413, wherein the connecting plate 1411 is connected to the fixed end 111 by screws, and the seat body 1413 is connected to the connecting plate 1411, for example, the seat body 1413 is integrally formed with the connecting plate 1411, the seat body 1413 is located on a side of the connecting plate 1411 away from the fixed end 111, a linear guide groove 1415 is formed on a side of the seat body 1413 away from the connecting plate 1411, and the linear guide groove 1415 extends along an axial direction of the upright column 110.

Alternatively, when the column 110 is moved to have its axis parallel to the up-down direction, the guide 141 is located on the side of the axis of the annular fixed end 111 away from the free end.

The slider 145 is slidably provided to the carriage 100 in the left-right direction.

Alternatively, the trolley frame 10 for the medical diagnostic bed includes a first linear guide 143 provided on the support 100, the first linear guide 143 is provided on the support 100 and extends in the left-right direction, the first linear guide 143 is parallel to and spaced apart from the second linear guide 103, and the slider 145 has a slide groove (not shown) engaged with the first linear guide 143, so that the slider 145 can stably move in the left-right direction on the support 100.

The slider 145 is connected to the flat panel detector 130.

Optionally, the skid frame 10 for the medical diagnostic bed further includes a connecting rod 105, two ends of the connecting rod 105 are respectively connected with the sliding block 145 and the flat panel detector 130, and the detector support plate 101 or the support 100 needs to keep a space for the connecting rod 105 to move in the left-right direction.

The slider 145 is slidably inserted into the first linear guide groove 1415. That is, the vertical column 110 swings to move the position of the guide seat 141 in both the vertical direction and the horizontal direction, and the first linear guide 143 is engaged with the slider 145, so that the vertical position of the slider 145 is not changed, and the guide seat 141 generates a thrust in the horizontal direction to the slider 145, so that the slider 145 can move in the horizontal direction along the first linear guide 143, and further, the flat panel detector 130 is driven to move synchronously in the horizontal direction, so that the receiving part of the flat panel detector 130 can always receive the X-ray emitted from the X-ray source 120.

At this time, the linear guide groove 1415 may not penetrate through both side ends of the seat body 1413 along the axial direction of the upright column 110, in this embodiment, the linear guide groove 1415 penetrates through both side ends of the seat body 1413 along the axial direction of the upright column 110, and at this time, the angle of the free end 113 swinging back and forth around the fixed end 111 can be precisely controlled by the servo motor, so as to prevent the subsequent slider 145 from moving too much to separate from the linear guide groove 1415.

Optionally, the slider 145 includes: a slider body 1451 and a guide block 1453, wherein the sliding groove is disposed on the slider body 1451, the guide block 1453 is disposed on a side of the slider body 1451 facing the guide seat 141, and the guide block 1453 is slidably inserted into the linear guide groove 1415. At this time, the slider 145 has a simple structure, and can move along the linear guide groove 1415 and the first linear guide 143 without interfering with each other.

In this embodiment, the guide block 1453 is rotatably disposed on the slider body 1451, and by the rotatable manner, friction between the guide block 1453 and the slider body 1451 is reduced, precision of adjustment and control is ensured, and difficulty of adjustment and control is reduced, where it should be noted that a rotating shaft of the guide block 1453 is arranged along a front-back direction, so that two side walls enclosing the linear guide groove 1415 and the guide block 1453 are in rolling friction.

The guide block 1453 may be in the shape of a prism, a cylinder, a rectangular parallelepiped, or the like, in this embodiment, the guide block 1453 is a cylinder, and an axis of the cylindrical guide block 1453 coincides with an axis thereof, that is, the guide block 1453 rotates around the axis thereof.

In practice, the guide block 1453 is optionally adjacent to the top end of the slider body 1451 in order to increase the swing angle of the free end 113 as much as possible without the guide block 1453 separating from the linear guide 1415.

In some other embodiments provided herein, the linkage 140 may also adopt a gear (not shown), a rack (not shown) and a first guide portion (not shown).

Wherein, the guide part sets up in detector backup pad 101 and extends along left right direction, flat panel detector 130 and first guide part sliding fit, and first guide part has the effect of following left right direction to flat panel detector 130, and first guide part can be guide rail or guide slot, and the rack is arranged along left right direction, and the gear sets up in stiff end 111, and the centre of a circle of gear and the coincidence of the axis of annular stiff end 111, and the gear is connected with the rack meshing. When the free end 113 swings around the fixed end 111 in the left-right direction in a reciprocating manner, the gear can drive the rack to move in the reverse direction towards the free end 113, so as to drive the detector support plate 101 to move synchronously, and further ensure that the flat panel detector 130 and the X-ray source 120 can move in the reverse direction in the left-right direction synchronously, so that the central line of the flat panel detector 130 and the axis of the X-ray source 120 are always overlapped.

A bed (not shown) is used for carrying a patient, and the carriage 10 for a medical diagnostic bed is disposed on the bed, and the X-ray source 120 is located above the bed, and the flat panel detector 130 is located below the bed, so as to scan the patient.

Wherein the edge of the bed is provided with a second guide for guiding the carriage 10 for the medical diagnostic bed, e.g. the second guide extends along the length of the bed, and the support 100 is in sliding engagement with the second guide for movement along the guide for scanning the patient by cooperation of the X-ray source and the flat panel detector. The second guide portion may be a guide groove or a guide rail, which is not limited herein.

In summary, the present application provides a trolley frame for a medical diagnostic bed and a medical diagnostic bed, which can make a flat panel detector be linked with an X-ray source when an upright column swings, so that a receiving part of the flat panel detector can always receive X-rays emitted by the X-ray source, thereby avoiding the technical problems of reduced projection area and limited diagnostic application range.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A carriage frame for a medical diagnostic bed, comprising:

a support;

the fixed end of the upright post is rotatably arranged on the support, and the free end of the upright post extends to one end far away from the support, so that the free end can swing around the fixed end in a reciprocating manner in the left-right direction;

the mounting part is arranged on the upright column and is used for mounting an X-ray source;

the flat panel detector is slidably arranged on the support along the left-right direction and is provided with a receiving part for receiving X rays; and

and the linkage mechanism is respectively connected with the flat panel detector and the upright column, and when the upright column swings, the linkage mechanism can convert the rotary motion of the upright column into the linear motion of the flat panel detector along the left and right directions, so that the receiving part of the flat panel detector can always receive the X rays emitted by the X ray source.

2. The trolley frame for medical diagnostic bed according to claim 1, wherein said linkage mechanism comprises:

the guide seat is connected with the fixed end and is provided with a linear guide groove extending along the axial direction of the upright post;

the sliding block is slidably arranged on the support in the left-right direction, the sliding block is connected with the flat panel detector, and the sliding block is slidably embedded in the linear guide groove.

3. The trolley frame for medical diagnostic bed according to claim 2, wherein said slider comprises: the sliding block body is slidably arranged on the support along the left-right direction; and

the guide block is arranged on one side, facing the guide seat, of the sliding block body, and the guide block is slidably embedded in the linear guide groove.

4. The carriage as claimed in claim 3, wherein the guide block is rotatably provided to the slider body.

5. The trolley frame for medical diagnostic bed as claimed in claim 4, wherein the guide block is a cylinder.

6. The carriage of claim 3 wherein said guide block is adjacent a top end of said slider body.

7. The trolley frame for the medical diagnosis bed according to any one of claims 2 to 6, wherein the trolley frame for the medical diagnosis bed comprises a first linear guide and a second linear guide which are arranged on the support, the first linear guide extends along the left-right direction, the first linear guide and the second linear guide are arranged in parallel and at a distance, the sliding block is provided with a sliding groove matched with the first linear guide, and the flat panel detector is slidably embedded in the second linear guide.

8. The trolley frame for the medical diagnosis bed according to any one of claims 2 to 6, further comprising a connecting rod, wherein two ends of the connecting rod are respectively connected with the sliding block and the flat panel detector.

9. The trolley frame for medical diagnosis bed as claimed in claim 1, further comprising a driving mechanism, wherein the driving mechanism is in transmission connection with the upright, and the driving mechanism drives the free end to swing back and forth around the fixed end.

10. A medical diagnostic bed, comprising a bed body and the trolley frame for a medical diagnostic bed according to any one of claims 1 to 9, wherein the bed body is provided with a guide part for guiding the trolley frame for a medical diagnostic bed, the support is in sliding fit with the guide part, the X-ray source is positioned above the bed body, and the flat panel detector is positioned below the bed body.