CN110507348B - Bed board locking device and scanning bed - Google Patents
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- CN110507348B CN110507348B CN201910812825.6A CN201910812825A CN110507348B CN 110507348 B CN110507348 B CN 110507348B CN 201910812825 A CN201910812825 A CN 201910812825A CN 110507348 B CN110507348 B CN 110507348B
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- 238000003780 insertion Methods 0.000 claims abstract description 46
- 230000037431 insertion Effects 0.000 claims abstract description 46
- 230000007704 transition Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 229920006302 stretch film Polymers 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000002591 computed tomography Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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Abstract
The application discloses bed board locking device and scanning bed. The device comprises a bracket and a support. The support includes support installation department and the accepting part of being connected with support installation department, accepting part is provided with the recess. The support comprises a support mounting part, an elastic component and an insertion part; the elastic component is connected with the support mounting part and the insertion part, and the insertion part compresses the elastic component and is positioned in the groove under the condition of bearing the pressure of the bed board. The device can unlock and lock the bed board, so that the safety risk caused by the separation of the bed board in the transportation process is avoided, and the operation is simple.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a bed board locking device and a scanning bed.
Background
With the development of science and technology, the application of CT equipment in clinical medicine is more and more extensive, and CT scanning bed is the device that is used for bearing patient, and its inside bed board is the main supporting body. Due to the limitation of imaging influence, the bed plate of a common scanning bed adopts an installation mode of fixing the tail part and floating the front end. CT equipment is in the outage state during transportation, and scanning bed board can float, because the influence of vibration and impact in the transportation, the scanning bed that the bed board that floats probably deviates from at this in-process causes the damage, consequently needs restrict the bed board.
Under the prior art, before transportation, the bed plate is usually fixed in a mode of winding a stretch film at the front end of the bed plate so as to prevent the bed plate from falling off. However, this method requires a long winding time and a complicated operation, and the material (for example, stretch film) cannot be reused, and requires a certain winding method for a worker.
Disclosure of Invention
In order to overcome part or all of the problems in the related art, the application provides a bed board locking device. The device comprises a bracket and a support. The support includes support installation department and the accepting part of being connected with support installation department, accepting part is provided with the recess. The holder includes a holder mounting portion, an elastic member, and an insertion portion. The elastic component is connected with the support mounting part and the inserting part, or the elastic component is connected with the inserting part and is positioned in the support mounting part. The insertion part compresses the elastic component and is positioned in the groove under the condition of bearing the pressure of the bed board.
Optionally, the end of the socket has a socket guide surface along which the insert enters into the recess.
Optionally, the recess has a recess guide surface, which is connected to the receiving portion guide surface, along which the insertion portion also enters into the recess.
Optionally, the connecting the groove guide surface and the socket guide surface includes: the groove guide surface and the bearing part guide surface are connected through a transition surface, and the transition surface, the groove guide surface and the bearing part guide surface form an arch shape.
Optionally, the groove is a "V" shaped groove and the groove guide surface is an inclined side surface of the groove; or the groove is a trapezoidal groove, and the groove guide surface is an inclined side surface of the trapezoidal groove; alternatively, the groove is a "U" shaped groove and the groove guide surface is a surface of a side wall of the "U" shaped groove.
Optionally, the groove has a notch having an opening angle of 30 to 60 degrees.
Optionally, the support is a ball plunger.
Optionally, the insertion portion and the seat mounting portion are in threaded connection, and the elastic element is located in the seat mounting portion; the support mounting part is provided with a locking screw hole, the axial direction of the locking screw hole is perpendicular to the stretching direction of the elastic element, and the locking device comprises a locking screw which extends into the locking screw hole to lock the insertion part.
Another aspect of the present application provides a scanning bed, which comprises a bed plate, a bed frame, and any one of the above-mentioned bed plate locking devices. The support is fixed in the bed board, the support is fixed in the bedstead, or the support is fixed in the bed board, the support is fixed in the bedstead. The telescopic direction of the insertion part is vertical to the movement direction of the bed plate.
Optionally, the scanning bed further comprises a limiting element and a limiting seat, wherein the limiting element is mounted on the bed frame, and the limiting seat is mounted on the bed plate, or the limiting element is mounted on the bed plate, and the limiting seat is mounted on the bed frame; the limiting seat is provided with a clamping groove, the limiting element is provided with a limiting part, and the limiting part of the limiting element moves along with the bed plate and is inserted into the clamping groove.
Optionally, the scanning bed further comprises a limiting element and a limiting seat, the limiting element is mounted on the bed board, the limiting seat is mounted on the bed frame to form a clamping groove with the bed frame, or the limiting element is mounted on the bed frame, and the limiting seat is mounted on the bed board to form a clamping groove with the bed board; the limiting element is provided with a limiting part, and the limiting part of the limiting element moves along with the bed plate and is inserted into the clamping groove.
Optionally, the scanning bed comprises a motor, the motor drives the bed board to move towards the locking device along the length direction of the bed board, and the bed board moves to press the insertion part; the motor drives the bed plate to move along the length direction of the bed plate towards the direction far away from the locking device, and the movement of the bed plate drives the insertion part to be separated from the groove.
The technical scheme provided by the embodiment of the application at least comprises the following beneficial effects:
because the support includes support installation department, elastomeric element and inserted part to and the accepting of support is provided with the recess, and this inserted part is under the condition that bears the pressure of bed board (the direction of motion of bed board is perpendicular with the flexible direction of inserted part), the compression elastomeric element is located in the recess, under the condition that does not bear the pressure of bed board, resumes free state, so, its beneficial effect as follows: 1) The locking and unlocking of the bed board can be realized, the safety risk caused by the fact that the bed board is separated in the transportation process is avoided, the locking and unlocking device is suitable for unlocking and locking the bed board in the transportation process of the scanning bed, for example, flexible maneuvering and quick scanning are required to be realized for vehicle-mounted CT, the time of a patient and an operator is saved, the vehicle-mounted CT can be swept along with stopping, the scanning is carried out immediately after the scanning, the scanning number of the patient is increased in limited time, the scanning efficiency is improved, the number of times of entering a scanning room by the operator is reduced, and the workload of the operator is reduced. The mode of winding the stretch film consumes a large amount of time and labor, delays scanning time and cannot meet the requirement of flexible maneuvering and quick scanning; 2) The whole mechanism does not need to additionally add other power executing elements, so that the structure and the operation process are simplified, and the operation time is saved; 3) Compared with the winding method by the stretch film, the method is completely different from the production of the stretch film, so the defects of the stretch film winding are avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural view of a bed plate locking device of an embodiment;
fig. 2 is a schematic view of the table board locking device shown in fig. 1 mounted on the scanning table, in which the locking device is in an unlocked state;
fig. 3 is a schematic view of the table board locking device shown in fig. 1 mounted on the scanning table, wherein the locking device is in a locking state;
FIG. 4 is a schematic view of a scanning bed with a limiting element and a limiting seat, wherein the limiting seat and the limiting element are in an unclamped state;
FIG. 5 is a schematic view of a scanning bed with a position-limiting element and a position-limiting seat, wherein the position-limiting seat and the position-limiting element are in a position-limiting state;
fig. 6 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 5.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the terms "first," "second," and the like, as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Similarly, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one; "plurality" means two or more than two. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.
Exemplary embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be supplemented or combined with each other without conflict.
Referring to fig. 1 to 3, the CT scanning bed is taken as an example for the present embodiment, however, it can be understood by those skilled in the art that the bed board locking device of the present embodiment can also be applied to a scanning bed, such as an MR scanning bed, a PET CT scanning bed, etc., in which the bed board moves relative to the bed frame.
Referring to fig. 1, the bed board locking device of the present embodiment includes a bracket 1 and a support 2. The bracket 1 includes a bracket mounting portion 11 and a receiving portion 12 connected to the bracket mounting portion 11. The receiving portion 12 is provided with a groove 121. The support 2 comprises a support mounting part 21, an elastic component and an insertion part 22; the elastic member is connected to the holder mounting portion 21 and the insertion portion 22.
Referring to fig. 2 and 3 in conjunction with fig. 1, the way of installing the bed board locking device on the scanning bed is as follows: the bracket mounting part 11 is mounted on the bed plate 3, and the holder mounting part 21 is mounted on the bed frame 4. In the present embodiment, the bracket mounting portion 11 is mounted on the top board 3 through a fixing bracket 5, for example, a mounting hole 111 is provided in the bracket mounting portion 11, and the fixing bracket 5 is fixed to the top board 3 and provided with a fixing bracket hole. The bracket 1 is mounted on the bed plate 3 by bolts passing through the mounting holes 111 and the fixing bracket holes and being locked to the bed plate 3. As an alternative to this, the bracket attachment portion 11 is attached to the frame 4, and the pedestal attachment portion 21 is attached to the top board 3.
Referring to fig. 1 to 3, the working state of the bedplate locking device is as follows: first, the scanning bed includes a motor, and when the scanning bed is ready for transportation, the motor is started to move the bed plate 3 along the length direction of the bed plate 3, as shown in the X direction in fig. 2 and 3, until the receiving portion 12 contacts the insertion portion 22, so that the insertion portion 22 is under pressure. When the insertion portion 22 receives the pressure of the top board, the elastic member is compressed, and the insertion portion 22 is positioned in the recess 121 of the receiving portion 12 as the motor drives the top board 3 to move further, thereby locking the top board 3 and the frame 4, in which process the extending and contracting direction Y of the insertion portion 22 is perpendicular to the moving direction X of the top board 3. After locking, transport of the bed may begin. When the scanning bed is to be used, the motor drives the bed plate 3 to move along the length direction of the bed plate 3 in a direction away from the locking device, and the movement of the bed plate 3 drives the insertion portion 22 to disengage from the groove 121.
In the above embodiment, to achieve locking, the locking force of the support 2 is between the movement force of the motor for pushing the bed plate 3 and the impact force applied to the bed plate 3 during transportation, that is, the impact force during transportation of the bed plate 3 is less than the locking force of the support 2 on the support 1 and less than the power of the motor for pushing the bed plate 3.
With reference to fig. 1, in order to make the inserting portion 22 smoothly enter the recess 121, the end of the receiving portion 12 has a receiving portion guiding surface 122, and the inserting portion 22 enters the recess 121 along the receiving portion guiding surface 122 due to the guiding function of the receiving portion guiding surface 122. In one embodiment, the bolster guide surface 122 may be a rounded surface, and one function of the bolster guide surface 122 is to guide the insert 22. It will be appreciated by those skilled in the art that other guidable surfaces may be used herein, for example, the bolster 12 may have opposing top and bottom surfaces 123, 124, and the bolster guide surface 122 may be a flat or arcuate surface that slopes from the bottom surface 124 to the top surface 123, such that the insert 22 enters the recess 121 in an uphill manner. Further, in order to enable the insertion portion 22 to smoothly enter the groove 121 and to enable the locking device to be in the locking state, the groove 121 is provided with a groove guide surface 1211, the groove guide surface 1211 is connected with the receiving portion guide surface 122, the insertion portion 22 further enters the groove 121 along the groove guide surface 1211, and more specifically, enters the groove 121 along the receiving portion guide surface 122 through the groove guide surface 1211. The skilled person will appreciate that since the groove guide surface 1211 and the receiving portion guide surface 122 have a guiding function, the insertion portion can enter the groove 121 along the groove guide surface 1211 and the receiving portion guide surface 122 or leave the groove 121 along the groove guide surface 1211 and the receiving portion guide surface 122, the groove guide surface 1211 may be a plane or an arc surface inclined from the top surface 123 to the bottom surface 124 so that the insertion portion 22 enters the groove 121 in a downhill manner. The slope of the plane and the radian of the arc-shaped surface are set according to specific conditions. In one embodiment, in order to enable the insert 22 to pass through the socket guide surface 122 and then enter the recess 121 in a transitional manner, the recess guide surface 1211 and the socket guide surface 122 are connected by a transition surface 125, and the transition surface 125, the recess guide surface 1211 and the socket guide surface 122 form an arch. The transition surface 125 may be curved, and in the case of the transition surface 125, the motion trajectory of the insertion portion 22 may be understood as: the insertion portion 22 ascends to the top of the slope and descends. In the embodiment shown in fig. 1 to 3, the insertion portion 22 is guided into the recess 121 by moving on the top surface 123 of the receiving portion 12, but it will be understood by those skilled in the art that a guide groove may be formed in the top surface 123 so that the insertion portion 22 can move in the guide groove into the recess 121, in which case the receiving portion guide surface 122 is the bottom surface of the guide groove. In order to ensure the locking force of the locking device and to enable the insertion portion 22 to smoothly enter the groove 121 or to be disengaged from the groove 121, in one embodiment, the groove 121 is a "V" shaped groove, and the groove guide surface is an inclined side surface of the groove; or, the groove is a trapezoid groove, the groove guide surface is an inclined side surface of the trapezoid groove, and the trapezoid can be an isosceles trapezoid or a right trapezoid, preferably an isosceles trapezoid. In addition, the groove 121 may also be U-shaped, the groove guide surface being the surface of the side wall of the "U" shaped groove. The groove 121 has a notch opening angle α of 30 degrees to 60 degrees, such as 30 degrees, 31 degrees, 35 degrees, 37 degrees, 39 degrees, 45 degrees, 48 degrees, 52 degrees, 55 degrees, 58 degrees, or 60 degrees, as shown in fig. 1.
The support 2 can be compressed when bearing pressure and can be restored to a free state when not bearing pressure, so that the support 2 can be a ball plunger, a press-in ball plunger or a screw-in ball plunger. As an alternative to this, the holder 2 may include a holder mounting portion, an elastic member, and an insertion portion. The elastic component is connected with the insertion part and is positioned in the support mounting part, and after the support is mounted on the bed board or the bed frame, one end of the elastic component relative to the insertion part is correspondingly abutted against the bed frame or the bed board. In this case, a guide structure may be further provided on the holder mounting portion so that the insertion portion is guided by the guide structure during the process of being extended or compressing the elastic member.
The elastic element is located in the support 2, and the insertion portion 22 and the support mounting portion 21 are screwed, so that the distance between the insertion portion 22 and the bottom surface of the notch 121 (for example, a "V" -shaped groove) is adjustable, that is, the locking force is adjustable, by the screw connection. However, in the case of realizing the adjustable locking force, the fixation between the insertion portion 22 and the holder mounting portion 21 is ensured, and the holder mounting portion 21 is provided with the locking screw hole 23, and the axial direction of the locking screw hole 23 is perpendicular to the extending and retracting direction of the elastic member, and it can also be understood that, as shown in fig. 3, the extending and retracting direction of the elastic member is parallel to the width direction of the top board 3, that is, the axial direction of the locking screw hole 23 perpendicular to the extending and retracting direction of the elastic member is parallel to the length direction of the top board 3. The locking means includes a locking screw 24, and the locking screw 24 is inserted into the locking screw hole 23 to lock the insertion portion 22. By locking the insert part 22 by means of the locking screw 24, it is avoided that the insert part 22 moves and the locking force changes.
With reference to fig. 4 to 6 in combination with fig. 1 to 3, the above solution enables the slats 3 to be locked to the frame 4 in the transverse direction (i.e. along the length direction of the slats, also in the X direction of fig. 2 and 3). In order to ensure that the slats 3 are locked to the bed base 4 in the longitudinal direction, i.e. in the width direction of the slats, also in the Y-direction of fig. 2 and 3. The scanning bed also comprises a limiting element 6 and a limiting seat 7. The stopper member 6 is attached to the frame 4 and has a stopper portion 61. The limiting seat 7 is arranged on the bed plate 3 and is provided with a clamping groove 71. In the process that the bed plate 3 is locked by the locking device, the limiting seat 7 moves along with the bed plate 3 to enable the limiting part 61 to be inserted into the clamping groove 71, and under the condition that the locking device is in an unlocking state due to the movement of the bed plate 3, the limiting seat 7 moves along with the bed plate 3 to enable the clamping groove 71 to be separated from the limiting part 61. Of course, as a person skilled in the art will appreciate, as an alternative to the above solution, the stop element 6 is mounted on the bed plate 3 and the stop seat 7 is mounted on the bed frame 4. By adopting the mode that the limiting part 61 of the limiting element 6 is inserted into the clamping groove 71, the bed plate 3 can be limited transversely, and the bed plate 3 can also be limited vertically, so that the bed plate 3 is prevented from moving up and down.
As an alternative to the above-mentioned limiting seat 7 having the engaging groove 71, the engaging groove 71 may be defined by the limiting seat 7 and the bottom surface of the bed plate 3, and in one implementation, the limiting seat 7 has a notch, and after the limiting seat 7 is mounted on the bed plate 3, the notch and the bottom surface of the bed plate 3 define the engaging groove 71. In this configuration, the stopper member 6 is mounted to the frame 4, and the stopper seat 7 is mounted to the deck 3. The clamping groove 71 of the limiting seat 7 moves along with the bed plate 3 and is inserted by the limiting part 61. The skilled person will appreciate that as an alternative to this, it is possible that the stop element 6 is mounted on the bed plate 3 and the stop seat 7 is mounted on the bed frame 4 to form a slot with the bed frame 4.
In one embodiment, the scanning bed has a motor. The motor drives the bed plate 3 to move towards the locking device along the length direction of the bed plate 3, and the bed plate 3 moves to apply pressure to the insertion part 22, so that the insertion part 22 can enter the groove 121; the motor drives the bed plate 3 to move along the length direction of the bed plate 3 towards the direction far away from the locking device, and the movement of the bed plate 3 drives the insertion part 22 to be separated from the groove 121. In the mode, a motor for driving the bed plate 1 to move is used as a power source, and the automatic locking and releasing functions of the bed plate locking device are realized through the movement of the bed plate 1.
As shown in fig. 2 and 3, in the above solution, the locking devices are provided on both opposite sides of the bed plate 3, but it can be understood by the skilled person that the locking devices may be provided only on one side of the bed plate 3.
Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.
Claims (12)
1. A bed board locking device is characterized in that the device comprises a bracket and a support, wherein,
the bracket comprises a bracket mounting part and a bearing part connected with the bracket mounting part, and the bearing part is provided with a groove;
the support comprises a support mounting part, an elastic component and an insertion part; the elastic component is connected with the support mounting part and the insertion part, or the elastic component is positioned in the support mounting part and connected with the insertion part; the insertion part compresses the elastic component and is positioned in the groove under the condition of bearing the pressure of the bed board.
2. A bed locking apparatus as claimed in claim 1, wherein the end of the spigot has a spigot guide surface along which the spigot enters the recess.
3. A bed plate locking device as claimed in claim 2, characterised in that the recess has a recess guide surface which is connected to the acceptor guide surface, along which the insert also enters into the recess.
4. A bed plate locking device as claimed in claim 3, wherein the groove guide surface and the bolster guide surface connection comprises: the groove guide surface and the bearing part guide surface are connected through a transition surface, and the transition surface, the groove guide surface and the bearing part guide surface form an arch shape.
5. A bed plate locking device as claimed in claim 3 or 4, wherein the groove is a "V" shaped groove and the groove guide surface is the inclined side of the groove; or the groove is a trapezoidal groove, and the groove guide surface is an inclined side surface of the trapezoidal groove; alternatively, the groove is a "U" shaped groove and the groove guide surface is a surface of a side wall of the "U" shaped groove.
6. A bed plate locking device as claimed in claim 5, characterised in that the recess has a slot opening at an angle of 30-60 degrees.
7. The bed locking apparatus of claim 1, wherein the support is a ball plunger.
8. A bed plate locking device as claimed in claim 1 or 7, wherein the insert part and the shoe mounting part are threadedly connected, the resilient element being located within the shoe mounting part; the support mounting part is provided with a locking screw hole, the axial direction of the locking screw hole is perpendicular to the stretching direction of the elastic element, and the locking device comprises a locking screw which extends into the locking screw hole to lock the insertion part.
9. A scanning bed comprising a bed plate and a bed frame, characterized in that it comprises a bed plate locking device as claimed in any one of claims 1 to 8, wherein said support is fixed to said bed plate and said bracket is fixed to said bed frame,
or the bracket is fixed on the bed board, and the support is fixed on the bed frame;
the telescopic direction of the insertion part is vertical to the movement direction of the bed plate.
10. The scanning bed of claim 9, further comprising a position limiting element mounted to the bed plate and a position limiting seat mounted to the bed frame,
or the limiting element is arranged on the bedstead, and the limiting seat is arranged on the bed board;
the limiting seat is provided with a clamping groove, the limiting element is provided with a limiting part, and the limiting part of the limiting element moves along with the bed plate and is inserted into the clamping groove.
11. The scanning bed of claim 9, further comprising a position-limiting element mounted on the bed board and a position-limiting seat mounted on the bed frame to form a slot with the bed frame,
or the limiting element is arranged on the bedstead, and the limiting seat is arranged on the bed board to form a clamping groove with the bed board;
the limiting element is provided with a limiting part, and the limiting part of the limiting element moves along with the bed plate and is inserted into the clamping groove.
12. The scanning bed of claim 9, wherein the scanning bed includes a motor that drives the couch plate along a length of the couch plate toward the locking device, the couch plate moving into pressure with the insert; the motor drives the bed board to move along the length direction of the bed board towards the direction far away from the locking device, and the movement of the bed board drives the insertion part to be separated from the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812825.6A CN110507348B (en) | 2019-08-30 | 2019-08-30 | Bed board locking device and scanning bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812825.6A CN110507348B (en) | 2019-08-30 | 2019-08-30 | Bed board locking device and scanning bed |
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| Publication Number | Publication Date |
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| CN110507348A CN110507348A (en) | 2019-11-29 |
| CN110507348B true CN110507348B (en) | 2022-11-29 |
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| CN201910812825.6A Active CN110507348B (en) | 2019-08-30 | 2019-08-30 | Bed board locking device and scanning bed |
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| CN110507348A (en) | 2019-11-29 |
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