CN210408447U

CN210408447U - Detector box of X-ray imaging system and X-ray imaging system

Info

Publication number: CN210408447U
Application number: CN201920556733.1U
Authority: CN
Inventors: 胡慧君; 金帆; 黄溶青
Original assignee: Siemens AG
Current assignee: Siemens Shanghai Medical Equipment Ltd; Siemens AG
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-04-28
Anticipated expiration: 2029-04-22

Abstract

A detector box of an X-ray imaging system comprises a shell (10) and a conveying mechanism (20). The housing has an insertion opening (12) on one side in the longitudinal direction (L). The conveying mechanism is arranged in a cavity (11) enclosed by the shell. The conveyor means defines a conveyor channel (30) extending along the length. The conveying passage is opposed to the insertion port in the length direction. A flat panel detector (90) can be inserted into the feed channel through the insertion opening. The conveying mechanism comprises a conveying unit (40). The conveying unit is positioned on one side of the conveying channel in the height direction (H) and can drive the flat panel detector extending into the conveying channel to move along the length direction and the direction opposite to the length direction. The detector box can improve the stability when the flat panel detector is arranged, reduce the collision damage and the surface abrasion of the flat panel detector and reduce the labor intensity of operators. Furthermore, an X-ray imaging system comprising the detector box is provided.

Description

Detector box of X-ray imaging system and X-ray imaging system

Technical Field

The utility model relates to a detector box of X ray imaging system, especially can improve the detector box of the stability of packing into flat panel detector and including its X ray imaging system.

Background

In the field of medical examination, flat panel detectors of X-ray imaging systems need to be loaded into a detector box (Bucky) when in use. The detector box is assembled on a stand column or an examination bed of the X-ray imaging system according to requirements. Currently, the Detector cassettes on the market are loaded into Flat Panel detectors (Flat Panel detectors) mainly by means of manual push-in. Due to the instability of manual operation, the flat panel detector is easy to collide and damage when pushed; in addition, the flat panel detector is easy to wear seriously in this way, and the labor intensity of operators is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detector box of X ray imaging system, its stability when can improving the flat panel detector of packing into.

It is another object of the present invention to provide an X-ray imaging system that can improve the stability when packing into a flat panel detector.

The utility model provides a detector box of X-ray imaging system, it includes a casing and a conveying mechanism. The housing has an insertion opening at one side in the longitudinal direction. The conveying mechanism is arranged in a containing cavity enclosed by the shell. The conveying mechanism forms a conveying channel extending along the length direction. The conveying passage is opposed to the insertion port in the length direction. A flat panel detector can be inserted into the feed channel through the insertion opening. The conveying mechanism comprises a conveying unit. The conveying unit is positioned on one side of the conveying channel in the height direction and can drive the flat panel detector extending into the conveying channel to move along the length direction and the direction opposite to the length direction.

The detector box of the X-ray imaging system is provided with the conveying mechanism, so that the detector box can stably move the flat panel detector along the length direction and the reverse direction of the length direction, the stability of the flat panel detector when the flat panel detector is installed is improved, the collision damage and the surface abrasion of the flat panel detector are reduced, the labor intensity of operators is reduced, and the use comfort is improved.

In another exemplary embodiment of a detector box of an X-ray imaging system, the transport unit comprises a roller set and a transport belt. The roller group is provided with at least two rollers. Each roller is rotatably arranged in the shell, and the rotating axis is parallel to the thickness direction. The at least two rollers are arranged on one side of the conveying channel in the height direction side by side along the length direction. The conveyer belt is wound on the roller group. The roller group can drive the conveyer belt to move. The conveying belt can be pressed against the flat panel detector extending into the conveying channel so as to drive the flat panel detector to move along the length direction and the opposite direction through friction force. The structure is simple, and the processing and the maintenance are easy.

In a further exemplary embodiment of the detector cassette of the X-ray imaging system, the transport mechanism is provided with two transport units. The two conveying units are respectively positioned at two sides of the conveying channel in the height direction. The two conveyor belts can clamp the flat panel detector extending into the conveying channel. Whereby the stability can be improved.

In a further exemplary embodiment of the detector cassette of the X-ray imaging system, the transport unit further comprises a first drive motor which can drive the roller in rotation. The detector box also includes a sensor and a processor. The inductor is located in the conveying channel and close to the inserting opening. The sensor can send an entry signal when it detects a flat panel detector extending into the transfer passage. The processor is capable of receiving the entry signal and sending a first start signal to the first drive motor based on the entry signal. The first driving motor can start to drive the roller to rotate according to the first starting signal so as to enable the flat panel detector to move towards the inside of the shell. When the detector box is used, the first driving motor does not need to be started manually, so that the convenience of operation can be improved.

In a further exemplary embodiment of the detector box of the X-ray imaging system, the detector box further comprises an exit key. The exit key is arranged on the shell. The exit button can send an exit signal to the processor after being pressed. The processor is capable of sending a second activation signal to the first drive motor based on the exit signal. The first driving motor can start to drive the roller to rotate according to the second starting signal, so that the flat panel detector stops after moving to the outside of the shell for a specified distance. Thereby facilitating removal of the flat panel detector.

In a further exemplary embodiment of the detector box of the X-ray imaging system, the transport unit is movably connected to the housing in the height direction. The conveying mechanism further comprises a second driving motor which can drive the conveying unit to move relative to the shell along the height direction and the reverse direction. The delivery unit also includes a pressure sensor for sensing pressure applied to the delivery unit by the flat panel detector and capable of sending a compaction signal to the processor when the pressure exceeds a threshold. The processor can send a stop signal to the second drive motor based on the compaction signal. The second driving motor can stop operating according to the stop signal. Thereby accommodating different sizes of flat panel detectors.

In yet another exemplary embodiment of the detector box of the X-ray imaging system, the processor is further capable of sending a third activation signal to the second drive motor based on the entry signal. The second drive motor can start to drive the conveying unit to move towards the flat panel detector according to the third starting signal. When the detector box is used, the second driving motor does not need to be started manually, so that the convenience of operation can be improved.

In a further exemplary embodiment of the detector cassette of the X-ray imaging system, the housing has an insertion opening on each side in the longitudinal direction. Therefore, the applicability can be improved, and the shielding of wireless signals can be reduced.

In a further exemplary embodiment of the detector box of the X-ray imaging system, the detector box further comprises two barriers. The two blocking pieces are respectively arranged at two ends of the shell in the length direction. Each blocking member is movably connected with the shell along the thickness direction and has a blocking position and an avoiding position. The blocking member in the blocking position can prevent the flat panel detector in the conveying passage from moving out of the housing from the insertion port. The blocking member in the retracted position allows the flat panel detector located in the transport path to be moved out of the housing through the insertion opening. Thereby preventing the flat panel detector from falling carelessly.

The utility model also provides an X ray imaging system, it includes an foretell detector box. According to the X-ray imaging system, the conveying mechanism is arranged on the detector box, so that the detector box can stably move the flat panel detector along the length direction and the opposite direction of the length direction, the stability of the flat panel detector when the flat panel detector is installed is improved, the collision damage and the surface abrasion of the flat panel detector are reduced, the labor intensity of operators is reduced, and the use comfort is improved.

Drawings

The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.

Fig. 1 is a schematic structural diagram of an exemplary embodiment of a detector box of an X-ray imaging system.

Fig. 2 is a schematic diagram for explaining a partial sectional structure of a detector box of the X-ray imaging system shown in fig. 1.

Fig. 3 is a schematic diagram for explaining signal transmission of a detector box of the X-ray imaging system shown in fig. 1.

Description of the reference symbols

10 casing

11 containing cavity

12 insertion opening

20 conveying mechanism

30 conveying channel

40 conveying unit

41 roller

42 conveyor belt

43 first drive motor

22 second drive motor

45 pressure sensor

50 inductor

60 processor

70 quit button

80 baffle

90 flat panel detector

L longitudinal direction

H height direction

T thickness direction

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings denote the same or similar components.

"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.

In this document, "first", "second", etc. do not mean their importance or order, etc., but merely mean that they are distinguished from each other so as to facilitate the description of the document.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product.

Fig. 1 is a schematic structural diagram of an exemplary embodiment of a detector box of an X-ray imaging system. As shown in fig. 1, the detector box of the X-ray imaging system includes a housing 10 and a transport mechanism 20. For clarity of description, the housing 10 is defined with a length direction L, a height direction H, and a thickness direction T that are perpendicular to each other. These directions are merely for explaining the relative positional relationship and do not limit the actual structure of the housing 10. The housing 10 has one insertion opening 12 (only one of which is visible in fig. 1) on each side in the longitudinal direction L.

Fig. 2 is a schematic diagram for explaining a partial sectional structure of a detector box of the X-ray imaging system shown in fig. 1. As shown in fig. 2, the delivery mechanism 20 is disposed in the cavity 11 enclosed by the housing 10. The conveyor mechanism 20 defines a conveyor channel 30 extending along the length direction L. The conveyance channel 30 is opposed to the insertion port 12 in the longitudinal direction L. A flat panel detector 90 can project into the feed channel 30 through the insertion opening 12.

In the present exemplary embodiment, the conveying mechanism 20 is provided with two conveying units 40. The two conveyance units 40 are respectively located on both sides of the conveyance passage 30 in the height direction H. Each conveyor unit 40 includes a roller set and a conveyor belt 42. Each roller set is provided with two rollers 41. Each roller 41 is rotatably disposed in the housing 10, and the rotation axis is parallel to the thickness direction T. Two rollers 41 of the same roller group are disposed side by side along the length direction L on one side of the conveying passage 30 in the height direction H. The conveyer belt 42 is wound around the roller group. The roller sets can drive the conveyor belt 42 to move. The two conveyor belts 42 of the two conveyor units 40 can clamp the flat panel detector 90 extending into the conveying passage 30 to drive the flat panel detector 90 to move in the length direction L and the opposite direction thereof by friction.

When the flat panel detector 90 needs to be loaded into the detector box, one end of the flat panel detector 90 is manually inserted into the conveying channel 30 through the insertion opening 12, and then the conveying unit 40 is driven to operate, so that the conveying unit drives the flat panel detector 90 to move towards the interior of the housing 10 along the length direction L until a specified position (namely, a position required during detection) is reached. When the flat panel detector 90 needs to be taken out, the flat panel detector can be taken out by the conveying unit 40, a handle protruding out of the detector box does not need to be arranged on the flat panel detector 90, and the handle can be prevented from interfering with the arrangement position of a detected person.

Through setting up conveying mechanism 20, this detector box can be followed this length direction L and its opposite direction and steadily removed flat panel detector 90, stability when improving the flat panel detector of packing into by this, reduces the damage and the surface wear of colliding with of flat panel detector, reduces operating personnel's intensity of labour, improves use comfort.

In the present exemplary embodiment, the conveying mechanism 20 is provided with two conveying units 40. Without being limited thereto, in other exemplary embodiments, the conveying mechanism 20 may be provided with only one conveying unit 40, which is located on one side of the conveying passage 30 in the height direction H; the conveying belt 42 can press against the flat panel detector 90 extending into the conveying passage 30 to drive the flat panel detector 90 to move in the length direction L and the opposite direction by friction. In other exemplary embodiments, the conveying mechanism 20 may further be provided with a slide rail extending along the length direction, the slide rail and the conveying unit 40 are respectively located on two sides of the conveying channel 30 in the height direction H, and the flat panel detector 90 can slide on the slide rail.

In the present exemplary embodiment, the conveying unit 40 is provided as a conveyor belt type structure, which is simple and easy to process and maintain. But not limited thereto, in other exemplary embodiments, the conveying unit 40 may also include a set of friction wheels, and the flat panel detector 90 is driven to move along the length direction L and the opposite direction thereof by the friction wheels.

In the present exemplary embodiment, the housing 10 has one insertion opening 12 on each of both sides in the length direction L, whereby the applicability can be improved, and when the flat panel detector 90 is provided as a wireless flat panel detector, shielding of wireless signals can be reduced by having one insertion opening 12 on each of both sides. However, in other exemplary embodiments, the housing 10 may be provided with only one insertion opening 12 on one side in the longitudinal direction L.

As shown in fig. 3, in the exemplary embodiment, each conveyor unit 40 further includes a first drive motor 43 capable of driving the rollers 41 in rotation. As shown in fig. 1-3, the detector box also includes two pairs of sensors 50 (only one of which is visible in fig. 1) and a processor 60. Two pairs of inductors 50 are located in the conveying channel 30, and are located adjacent to each of the two insertion openings 12, wherein fig. 1 identifies one pair of inductors 50 adjacent to one of the insertion openings 12, and fig. 2 identifies one pair of inductors 50 adjacent to the other insertion opening 12. In the present exemplary embodiment, the sensor 50 is an infrared sensor, but is not limited thereto. As shown in fig. 3, the sensor 50 can send an entry signal when the sensor 50 detects a flat panel detector 90 extending into the conveying passage 30. The processor 60 is capable of receiving the entry signal and sending a first activation signal to the first drive motor 43 based on the entry signal. The first driving motor 43 can start to drive the roller 41 to rotate according to the first starting signal, so that the flat panel detector 90 moves towards the inside of the housing 10. The detector box does not need to manually start the first driving motor 43 when in use, thereby improving the convenience of operation. In other exemplary embodiments, the first drive motor 43 may be manually activated without the sensor and processor. The number of inductors 50 can also be adjusted as desired. In other exemplary embodiments, two rollers 41 of a roller set may be respectively connected to a motor, and the two motors are used to respectively drive the two rollers 41 to rotate in opposite directions.

As shown in fig. 1, in the exemplary embodiment, the sonde box also includes two exit keys 70 (only one of which is visible in fig. 1). The eject button 70 is provided in the housing 10. As shown in fig. 3, the eject button 70, when pressed, can send an eject signal to the processor 60. The processor 60 can send a second activation signal to the first drive motor 43 in response to the exit signal. The first driving motor 43 can start to drive the roller 41 to rotate according to the second start signal, so that the flat panel detector 90 moves to the outside of the housing 10 by a designated distance and then stops. Thereby facilitating removal of the flat panel detector 90. Wherein, the specified distance should satisfy that the operating personnel can take out flat panel detector 90 and flat panel detector 90 can not drop.

As shown in fig. 2, in the exemplary embodiment, each transport unit 40 is movably connected to the housing 10 along the height direction H to accommodate flat panel detectors 90 of different sizes, such as commercially available flat panel detectors. However, in other exemplary embodiments, the conveying unit 40 may be fixed in position relative to the housing 10 in the height direction H. As shown in fig. 3, the conveying mechanism 20 further includes a second driving motor 22, and the second driving motor 22 can drive the conveying unit 40 to move relative to the housing 10 in the height direction H and the reverse direction thereof. The conveying unit 40 further comprises a pressure sensor 45, wherein the pressure sensor 45 is used for sensing the pressure applied to the conveying unit 40 by the flat panel detector 90 and sending a compaction signal to the processor 60 when the pressure exceeds a threshold value, and the threshold value can be set according to the static friction force required for driving the flat panel detector 90 to move. The processor 60 can send a stop signal to the second drive motor 22 based on the compaction signal. The second drive motor 22 can stop operating in accordance with the stop signal. To prevent damage from over-squeezing. In other exemplary embodiments, the second drive motor 22 may be controlled manually without a pressure sensor and a processor.

As shown in FIG. 3, in the exemplary embodiment, processor 60 is also capable of sending a third activation signal to second drive motor 22 based on the entry signal. The second driving motor 22 can start to drive the conveying unit 40 to move towards the flat panel detector 90 according to the third starting signal so as to press the flat panel detector 90. The detector box is used without manually starting the second driving motor 22, thereby improving the convenience of operation.

As shown in fig. 1, in the exemplary embodiment, the detector box also includes two barriers 80 (only one of which is visible in fig. 1). The two stoppers 80 are respectively provided at both ends of the housing 10 in the longitudinal direction L. Each blocking member 80 is movably connected to the housing 10 in the thickness direction T and has a blocking position and an escape position. The blocking member 80 in the retracted position allows the flat panel detector 90 located in the conveyance channel 30 to move out of the housing 10 from the insertion port 12. The blocking member 80 in the blocking position can prevent the flat panel detector 90 located in the conveying passage 30 from moving out of the housing 10 from the insertion port 12 to prevent the flat panel detector 90 from being inadvertently dropped.

The utility model also provides an X ray imaging system, in an exemplary embodiment thereof, X ray imaging system includes the detector box that a figure 1 is shown, and this detector box can assemble on X ray imaging system's stand or inspection bed as required. According to the X-ray imaging system, the conveying mechanism 20 is arranged on the detector box, so that the detector box can stably move the flat panel detector 90 along the length direction L and the opposite direction of the length direction L, the stability of the flat panel detector when the flat panel detector is installed is improved, the collision damage and the surface abrasion of the flat panel detector are reduced, the labor intensity of operators is reduced, and the use comfort is improved.

It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above list of details is only for the practical examples of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications, such as combinations, divisions or repetitions of the features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.

Claims

A detector box of an X-ray imaging system, comprising:

a housing (10), said housing (10) having an insertion opening (12) at one side in the length direction (L); and

the conveying mechanism (20) is arranged in a cavity (11) enclosed by the shell (10); the conveying device (20) forms a conveying channel (30) extending in the length direction (L), the conveying channel (30) being opposite to the insertion opening (12) in the length direction (L); a flat panel detector (90) can be inserted into the feed channel (30) through the insertion opening (12); the conveying mechanism (20) comprises a conveying unit (40); the conveying unit (40) is positioned on one side of the conveying channel (30) in the height direction (H) and can drive the flat panel detector (90) extending into the conveying channel (30) to move along the length direction (L) and the opposite direction.
2. The detector box of an X-ray imaging system according to claim 1, characterized in that the transport unit (40) comprises:

a roller group provided with at least two rollers (41); each roller (41) is rotatably arranged on the shell (10), and the rotation axis is parallel to the thickness direction (T); the at least two rollers (41) are arranged side by side along the length direction (L) on one side of the conveying channel (30) in the height direction (H); and

the conveying belt (42) is wound on the roller group, and the roller group can drive the conveying belt (42) to move; the conveying belt (42) can be pressed against the flat panel detector (90) extending into the conveying channel (30) so as to drive the flat panel detector (90) to move along the length direction (L) and the opposite direction thereof through friction force.
3. The detector box of an X-ray imaging system according to claim 2, characterized in that the transport mechanism (20) is provided with two of the transport units (40); the two conveying units (40) are respectively positioned on two sides of the conveying channel (30) in the height direction (H); the two conveyor belts (42) can clamp the flat panel detector (90) extending into the conveying channel (30).
4. The detector box of an X-ray imaging system according to claim 2, characterized in that the transport unit (40) further comprises a first drive motor (43) capable of driving the roller (41) in rotation; the detector box also comprises:

an inductor (50) located in the feed channel (30) adjacent the insertion opening (12); -said sensor (50) is capable of emitting an entry signal when said sensor (50) detects said flat panel detector (90) protruding into said conveying channel (30); and

a processor (60) capable of receiving said entry signal and sending a first activation signal to said first drive motor (43) in response to said entry signal; the first driving motor (43) can start to drive the roller (41) to rotate according to the first starting signal so as to enable the flat panel detector (90) to move towards the interior of the shell (10).
5. The detector box of the X-ray imaging system according to claim 4, characterized in that the detector box further comprises an exit key (70), the exit key (70) being disposed on the housing (10); the exit key (70) can send an exit signal to the processor (60) after being pressed; said processor (60) being capable of sending a second activation signal to said first drive motor (43) in response to said exit signal; the first driving motor (43) can start to drive the roller (41) to rotate according to the second starting signal, so that the flat panel detector (90) stops after moving to the outside of the shell (10) for a specified distance.
6. The detector box of an X-ray imaging system as claimed in claim 4, characterized in that the transport unit (40) is movably connected to the housing (10) in the height direction (H); the conveying mechanism (20) further comprises a second driving motor (22), and the second driving motor (22) can drive the conveying unit (40) to move relative to the shell (10) along the height direction (H) and the reverse direction of the height direction (H); said delivery unit (40) further comprising a pressure sensor (45), said pressure sensor (45) for sensing the pressure applied by said flat panel detector (90) to said delivery unit (40) and capable of sending a compaction signal to said processor (60) when said pressure exceeds a threshold; said processor (60) being capable of sending a stop signal to said second drive motor (22) in response to said compression signal; the second drive motor (22) can be stopped in accordance with the stop signal.
7. The detector box of an X-ray imaging system according to claim 6, wherein the processor (60) is further configured to send a third activation signal to the second drive motor (22) based on the entry signal; the second drive motor (22) is capable of starting to drive the transport unit (40) towards the flat panel detector (90) according to the third start signal.
8. The detector box of an X-ray imaging system according to claim 1, characterized in that the housing (10) has one of the insertion openings (12) on each side in the length direction (L).
9. The detector box of an X-ray imaging system according to claim 8, characterized in that the detector box further comprises two stoppers (80), the two stoppers (80) being respectively disposed at both ends of the housing (10) in the length direction (L); each blocking element (80) is movably connected with the shell (10) along the thickness direction (T) and has a blocking position and an avoiding position; the blocking member (80) in the blocking position can prevent the flat panel detector (90) in the conveying channel (30) from moving out of the housing (10) from the insertion opening (12); the blocking element (80) in the retracted position allows the flat panel detector (90) located in the transport channel (30) to be moved out of the housing (10) from the insertion opening (12).
An X-ray imaging system comprising a detector box according to any one of claims 1 to 9.