Radial artery puncture device for digital subtraction angiography operating bed

Abstract

The invention aims at providing a radial artery puncture device for a digital subtraction angiography operating bed, and relates to the technical field of medical instruments, a telescopic bottom plate can be fixedly installed below the operating bed by arranging a clamping assembly on the telescopic bottom plate, a wrist supporting structure is arranged on a telescopic supporting plate, and a rotating plate is driven to rotate through a first motor; the wrist supporting structure on the adjusting plate can be turned over to the upper portion through rotation of the telescopic supporting plate, a second motor on the adjusting plate can drive sliding blocks of the wrist supporting structure to slide in the opposite direction, and therefore the wrist supporting structure can be turned over to the upper portion through rotation of the telescopic supporting plate, and the wrist supporting structure can be turned over to the lower portion through rotation of the telescopic supporting plate. The jacking height of the wrist part is flexibly adjusted, puncture is more convenient, the puncture success rate is increased, the pain of a patient is reduced, a telescopic bracket is arranged on the telescopic supporting plate, and the height for supporting the arm of the patient can be adjusted.

Description

Technical Field

[0001] The present invention relates to the technical field related to medical devices, and in particular to a radial artery puncture device for a digital subtraction angiography operating table. Background Art

[0002] Subtraction angiography (DSA) is a computer-assisted angiography method. It is a new X-ray examination technology used in clinical practice since the 1970s. It is completed by using a computer program to perform two imagings. Before the contrast agent is injected, the first imaging is performed, and the image is converted into a digital signal by a computer and stored. After the contrast agent is injected, the image is taken again and converted into a digital signal. The two digital images are subtracted to eliminate the same signal and obtain a vascular image with only the contrast agent. This image is clearer and more intuitive than the image displayed by conventional cerebral angiography used in the past, and some fine vascular structures can also be displayed.

[0003] Currently, when radial artery puncture is performed on a digital subtraction angiography (DSA) operating table, the patient's arm is placed on a hand plate, and something is placed under the wrist to raise the wrist to a certain height for easy puncture. However, when the other hand needs to be punctured, the hand plate needs to be moved, which is inconvenient to operate. In addition, the hand plate cannot adapt well to left and right hand punctures, resulting in poor patient comfort, and the height of the raised wrist cannot be adjusted quickly and flexibly. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides the following technical solutions:

[0005] A radial artery puncture device for a digital subtraction angiography operating bed comprises an operating bed and a telescopic base plate, the telescopic base plate is detachably connected to the operating bed by means of a clamping assembly, a rotating plate is rotatably installed at the front end of the telescopic base plate, a connecting plate is rotatably installed on the rotating plate, a telescopic support plate is rotatably installed on the connecting plate, an adjustment plate is rotatably installed on the telescopic support plate, a wrist support structure is arranged on the adjustment plate, the wrist support structure comprises a top plate, a fixing belt and a sliding block, the fixing belt is installed on the top plate, the top plate is a structure with a rotatable middle portion, both ends of the top plate are rotatably connected with sliding blocks, the sliding blocks are slidably installed on the adjustment plate, and the middle portion of the top plate is driven to rotate and lift upward by the sliding blocks at both ends of the top plate sliding towards each other.

[0006] Furthermore, a first electric push rod is fixedly arranged below the telescopic bottom plate, and the telescopic bottom plate is controlled by the telescopic movement of the first electric push rod.

[0007] Furthermore, a first motor is fixedly arranged below the telescopic bottom plate, the rotating plate is installed on the rotating shaft of the first motor, and the rotating plate is driven to rotate by the first motor.

[0008] Furthermore, trigger switches are fixedly arranged on both the upper and lower surfaces of the rotating plate.

[0009] Furthermore, a connecting shaft is fixedly installed at one end of the telescopic support plate, the connecting shaft is inserted into the connecting plate, and is rotatably connected to the connecting plate, and a socket is opened on the connecting shaft along its diameter direction. A pin is slidably arranged on the connecting plate, and the rotation of the connecting shaft is limited by the cooperation between the pin and the socket, thereby limiting the rotation of the telescopic support plate.

[0010] Furthermore, after the latch and the socket are matched, the telescopic support plate is parallel to the surface of the operating bed.

[0011] Furthermore, the telescopic support plate is a two-stage telescopic structure, a limiting column is arranged on one section, and a limiting hole is arranged on the other section, and the telescopic support plate is limited in telescopic manner by the cooperation between the limiting column and the limiting hole.

[0012] Furthermore, a telescopically adjustable bracket is fixedly arranged on the adjustment plate, the adjustment plate is an inclined structure, the bracket is installed at the bottom of the inclined surface, and the wrist support structure is installed at the top of the inclined surface.

[0013] Furthermore, a bidirectional screw is rotatably installed on the adjustment plate, and the sliding blocks at both ends of the top plate are respectively threadedly sleeved on the two ends of the bidirectional screw, and a second motor is fixedly arranged on the adjustment plate to drive the rotation of the bidirectional screw, thereby driving the sliding blocks to move toward or away from each other.

[0014] Furthermore, telescopic columns are fixedly arranged on both sides of the telescopic base plate, and the clamping assembly includes a clamping frame, a clamping plate and a clamping bolt. The clamping frame is fixedly connected to the telescopic column, and the clamping plate is located in the clamping frame. The clamping bolt thread passes through the clamping frame and is rotatably connected to the clamping plate, and the clamping plate is driven to move by rotating the clamping bolt.

[0015] Furthermore, one end of the adjustment plate is rotatably connected to the telescopic support plate, and a second electric push rod is arranged inside the adjustment plate, and the rotation of the adjustment plate is controlled by the telescopic movement of the second electric push rod.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] The present invention can fix the telescopic base plate under the operating bed by arranging a clamping assembly on the telescopic base plate, and rotatably arrange a rotating plate on the telescopic base plate, rotatably arrange a connecting plate on the rotating plate, rotatably arrange a telescopic support plate on the connecting plate, and rotatably arrange an adjusting plate on the telescopic support plate, and rotatably arrange a wrist supporting structure on the adjusting plate, and the rotating plate is driven to rotate by a first motor to drive the connecting plate and the telescopic support plate to rotate, so that the position of the telescopic support plate can be switched according to the left hand and the right hand, and the adjusting plate and the wrist supporting structure on the rotated telescopic support plate can be flipped to the upper side by the rotation of the telescopic support plate, and the rotation of the telescopic support plate is limited by a pin on the connecting plate, and the connecting plate is rotated. The position of the wrist support structure can be adjusted according to the angle of arm abduction, and the position of the wrist support structure can be adjusted according to the length of the arm by extending and retracting the telescopic support plate. The height of the wrist support structure can be adjusted by extending and retracting the bracket and rotating the adjustment plate, so that the wrist support structure can well support the patient's wrist. The second motor on the adjustment plate can drive the sliding blocks of the wrist support structure to slide toward each other, so that the middle part of the top plate rotates and lifts upward, and the lifting height of the wrist can be flexibly adjusted, which makes puncture more convenient, improves the success rate of puncture and reduces the pain of the patient. A telescopic bracket is set on the telescopic support plate, which can adjust the height of the patient's arm and improve the comfort of the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the installation of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the bottom structure of the present invention;

[0021] Figure 4 This is a schematic diagram of the installation of the telescopic support plate of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of the telescopic support plate of the present invention;

[0023] Figure 6 This is a schematic diagram of the matching between the plug and the socket of the present invention;

[0024] Figure 7 This is the actual structural diagram of the operating table of the present invention.

[0025] In the figure: operating table-1, clamping assembly-2, clamping frame-201, clamping plate-202, clamping bolt-203, telescopic support plate-3, limiting column-301, limiting hole-302, connecting shaft-303, bracket-4, wrist support structure-5, top plate-501, fixing belt-502, sliding block-503, telescopic bottom plate-6, telescopic column-601, rotating plate-7, connecting plate-8, pin-801, first electric push rod-9, first motor-10, trigger switch-11, bidirectional screw rod-12, second motor-13, adjustment plate-14, second electric push rod-15. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example:

[0028] See also Figure 1-7 A radial artery puncture device for a digital subtraction angiography operating bed comprises an operating bed 1 and a telescopic bottom plate 6. The telescopic bottom plate 6 is detachably connected to the operating bed 1 by setting a clamping assembly 2. Telescopic columns 601 are fixedly set on both sides of the telescopic bottom plate 6. The clamping assembly 2 comprises a clamping frame 201, a clamping plate 202 and a clamping bolt 203. The clamping frame 201 is fixedly connected to the telescopic column 601. The clamping plate 202 is located in the clamping frame 201. The clamping bolt 203 is threaded through the clamping frame 201 and is rotatably connected to the clamping plate 202. The clamping bolt 203 is rotated to drive the clamping plate 202 to move and clamp it on both sides of the operating bed 1, so that the telescopic bottom plate 6 is fixedly installed below the operating bed 1.

[0029] In this embodiment, a rotating plate 7 is rotatably installed at the front end of the telescopic bottom plate 6, a connecting plate 8 is rotatably installed on the rotating plate 7, a telescopic support plate 3 is rotatably installed on the connecting plate 8, an adjusting plate 14 is rotatably installed on the telescopic support plate 3, a wrist support structure 5 is arranged on the adjusting plate 14, a telescopically adjustable bracket 4 is fixedly arranged on the adjusting plate 14, and the height of the patient's arm can be adjusted to improve the patient's comfort, one end of the adjusting plate 14 is rotatably connected to the telescopic support plate 3, and a second electric push rod 15 is arranged inside the adjusting plate 14, and the rotation and tilt angle of the adjusting plate 14 is controlled by the telescopic second electric push rod 15, so that the wrist is raised to facilitate puncture and improve the patient's comfort;

[0030] The wrist support structure 5 includes a top plate 501, a fixing belt 502 and a sliding block 503. The fixing belt 502 is installed on the top plate 501. The top plate 501 is a structure with a rotatable middle portion. Both ends of the top plate 501 are rotatably connected with sliding blocks 503. The sliding blocks 503 are slidably installed on the adjustment plate 14. The sliding blocks 503 at both ends of the top plate 501 slide toward each other to drive the middle portion of the top plate 501 to rotate and lift upward.

[0031] The adjustment plate 14 is an inclined surface structure, the bracket 4 is installed at the bottom of the inclined surface, and the wrist support structure 5 is installed at the top of the inclined surface;

[0032] A first electric push rod 9 is fixedly arranged below the telescopic base plate 6, and the telescopic base plate 6 is telescoped by the telescopic movement of the first electric push rod 9. A first motor 10 is fixedly arranged below the telescopic base plate 6, and the rotating plate 7 is mounted on the rotating shaft of the first motor 10. The rotating plate 7 is driven to rotate by the first motor 10. A trigger switch 11 is fixedly arranged on the upper and lower surfaces of the rotating plate 7. A connecting shaft 303 is fixedly arranged at one end of the telescopic support plate 3, and the connecting shaft 303 is inserted into the connecting plate 8 and is rotatably connected to the connecting plate 8. A socket is provided on the connecting shaft 303 along its diameter direction, and a latch 801 is slidably arranged on the connecting plate 8, and the connection is limited by the cooperation between the latch 801 and the socket. The rotation of the connecting shaft 303 limits the rotation of the telescopic support plate 3, and after the latch 801 is matched with the socket, the telescopic support plate 3 is parallel to the bed surface of the operating bed 1, and the bidirectional screw rod 12 is rotatably installed on the telescopic support plate 3, and the sliding blocks 503 at both ends of the top plate 501 are respectively threadedly sleeved on the two ends of the bidirectional screw rod 12, and a second motor 13 is fixedly arranged on the telescopic support plate 3 to drive the rotation of the bidirectional screw rod 12, thereby driving the sliding blocks 503 to move toward or away from each other. The telescopic support plate 3 is a two-stage telescopic structure, and a limiting column 601 is arranged on one section, and a limiting hole 602 is arranged on the other section. The telescopic support plate 3 is limited in telescopic movement by the cooperation of the limiting column 601 and the limiting hole 602;

[0033] In this embodiment, when in use, the telescopic bottom plate 6 is fixed to the bottom of the operating bed 1 by the clamping assembly 2, and the rotating plate 7 is controlled by the first motor 10 to rotate closely to the left side of the operating bed 1. The trigger switch 11 provided on the rotating plate 7 contacts the bottom of the operating bed 1, and the first motor 10 is controlled to stop rotating, so that the rotating plate 7 remains closely to the left side of the operating bed.

[0034] Then, the telescopic support plate 3 is held in the hand, and the telescopic support plate 3 is rotated out from under the operating bed 1 through the connecting plate 8. The angle of the telescopic support plate 3 can be adjusted according to the angle of arm abduction, and the length of the telescopic bottom plate 6 can be adjusted by extending and retracting the first electric push rod 9 on the telescopic bottom plate 6, so that the position of the telescopic support plate 3 can be adjusted according to the patient's body shape. By extending and retracting the telescopic support plate 3, the position of the wrist support structure 5 on the adjustment plate 14 can be adjusted according to the arm length, so that the wrist can be supported on the top plate 501 of the wrist support structure 5;

[0035] Then, the palm and the arm are fixed to the front and rear ends of the top plate 501 respectively through the fixing belt 502 of the wrist support structure 5, so that the wrist is aligned with the middle of the top plate 501, and the bidirectional screw rod 12 is driven to rotate by the second motor 13, driving the sliding blocks 503 at both ends of the top plate 501 to slide towards each other, so that the middle part of the top plate 502 is rotated and lifted up, and the lifting height of the wrist can be flexibly adjusted, which is convenient for adjustment, more convenient for puncture, and improves the success rate of puncture and reduces the pain of patients;

[0036] When the right hand needs to be punctured, the telescopic support plate 3 is retracted, and the extension and contraction of the telescopic support plate 3 is limited by the limit column 301 on the telescopic support plate 3. The rotating plate 7 is controlled by the first motor 10 to rotate close to the right side of the operating bed 1. The trigger switch 11 provided on the rotating plate 7 contacts the bottom of the operating bed 1, and the first motor 10 is controlled to stop rotating, so that the rotating plate 7 remains close to the right side of the operating bed;

[0037] Then, according to the puncture of the left hand, the position of the telescopic support plate 3 can be adjusted in the same way, and the wrist support structure 5 on the right side can be rotated to be located below the telescopic support plate 3. By pulling out the pin 801, the telescopic support plate 3 can be rotated around the connecting shaft 303, and the telescopic support plate 3 can be flipped over to make the wrist support structure 5 flip over the telescopic support plate 3. Then, by inserting the pin 801, the rotation of the telescopic support plate 3 can be restricted, and the puncture of the right hand can be performed.

[0038] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A radial artery puncture device for a digital subtraction angiography operating table, comprising an operating table and a telescopic bottom plate, characterized in that: The telescopic base plate is detachably connected to the operating bed by providing a clamping assembly, a rotating plate is rotatably installed at the front end of the telescopic base plate, a connecting plate is rotatably provided on the rotating plate, a telescopic support plate is rotatably provided on the connecting plate, an adjusting plate is rotatably provided on the telescopic support plate, a wrist supporting structure is provided on the adjusting plate, the wrist supporting structure comprises a top plate, a fixing belt and a sliding block, the fixing belt is installed on the top plate, the top plate is a structure with a rotatable middle part, both ends of the top plate are rotatably connected with sliding blocks, the sliding blocks are slidably installed on the adjusting plate, and the middle part of the top plate is driven to rotate and lift upward through the sliding of the sliding blocks at both ends of the top plate.

2. According to claim 1, a radial artery puncture device for a digital subtraction angiography operating table is characterized in that: A first electric push rod is fixedly arranged under the telescopic base plate, and the extension and retraction of the telescopic base plate is controlled by the extension and retraction of the first electric push rod. A first motor is fixedly arranged under the telescopic base plate, and the rotating plate is installed on the rotating shaft of the first motor. The rotating plate is driven to rotate by the first motor, and trigger switches are fixedly arranged on the upper and lower surfaces of the rotating plate.

3. According to claim 1, a radial artery puncture device for a digital subtraction angiography operating table is characterized in that: A connecting shaft is fixedly installed at one end of the telescopic support plate, the connecting shaft is inserted into the connecting plate, and is rotatably connected to the connecting plate. A socket is provided on the connecting shaft along its diameter direction, and a pin is slidably arranged on the connecting plate. The rotation of the connecting shaft is limited by the cooperation between the pin and the socket, thereby limiting the rotation of the telescopic support plate.

4. According to claim 3, a radial artery puncture device for a digital subtraction angiography operating table is characterized in that: After the latch and the socket are matched, the telescopic support plate is parallel to the bed surface of the operating bed.

5. The radial artery puncture device for digital subtraction angiography operating table according to claim 1, characterized in that: The telescopic support plate is a two-stage telescopic structure, with a limiting column arranged on one section and a limiting hole arranged on the other section, and the telescopic support plate is limited in telescopic movement by the cooperation between the limiting column and the limiting hole.

6. The radial artery puncture device for digital subtraction angiography operating table according to claim 1, characterized in that: A telescopically adjustable bracket is fixedly arranged on the adjustment plate.

7. The radial artery puncture device for digital subtraction angiography operating table according to claim 1, characterized in that: A bidirectional screw is rotatably installed on the adjustment plate, and the sliding blocks at both ends of the top plate are respectively threadedly sleeved on the two ends of the bidirectional screw. A second motor is fixedly arranged on the adjustment plate to drive the rotation of the bidirectional screw, thereby driving the sliding blocks to move toward or away from each other.

8. The radial artery puncture device for digital subtraction angiography operating table according to claim 1, characterized in that: Telescopic columns are fixedly arranged on both sides of the telescopic base plate, and the clamping assembly includes a clamping frame, a clamping plate and a clamping bolt. The clamping frame is fixedly connected to the telescopic column, and the clamping plate is located in the clamping frame. The clamping bolt thread passes through the clamping frame and is rotatably connected to the clamping plate, and the clamping plate is driven to move by rotating the clamping bolt.

9. The radial artery puncture device for digital subtraction angiography operating table according to claim 1, characterized in that: One end of the adjustment plate is rotatably connected to the telescopic support plate, and a second electric push rod is arranged inside the adjustment plate, and the rotation of the adjustment plate is controlled by the telescopic movement of the second electric push rod.

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