CN213759902U

CN213759902U - Contrast agent injection device for double-source CT pancreas perfusion imaging

Info

Publication number: CN213759902U
Application number: CN202022672657.6U
Authority: CN
Inventors: 余鑫; 王谦; 牟俊
Original assignee: Guizhou Provincial Peoples Hospital
Current assignee: Guizhou Provincial Peoples Hospital
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-23
Anticipated expiration: 2030-11-18

Abstract

The utility model belongs to the technical field of the contrast medium injection equipment technique and specifically relates to a contrast medium injection device for double-source CT pancreas perfusion imaging, which is arranged on the upper surface of a bottom plate through a stand column, the bottom end of the stand column is provided with a roller, a fixed short plate is arranged at a position close to the roller, a threaded hole is arranged on the fixed short plate, a fixed hole is arranged at the side edge of the bottom plate, a fixed ring is arranged close to the top end of the stand column, an injection tube is fixed on the stand column by the fixed ring, and can be fixed during injection, thereby; and improves the flexibility and convenience of reloading contrast media after the injection is completed.

Description

Contrast agent injection device for double-source CT pancreas perfusion imaging

Technical Field

The utility model belongs to the technical field of contrast medium injection apparatus technique and specifically relates to a contrast medium injection device is used in two source CT pancreas perfusion formation of image.

Background

Contrast agents are of critical importance for the diagnosis and treatment of diseases in the clinical setting, especially in imaging. In the traditional contrast agent injection mode, medical staff push the contrast agent in the field to complete the imaging operation, so that the medical staff are exposed to a large amount of radiation for a long time, and the life health of the medical staff is seriously threatened. Based on this, a great deal of research on a contrast medium remote boosting device appears in the prior art, for example, a contrast medium injection device with patent number 201822042709.4 is assembled by using a fixed shell, an injector, a pushing mechanism, a power mechanism and a remote controller, so that medical staff can complete contrast medium injection outside an examination room, and the probability of radiation to the medical staff is reduced; for another example: the controllable uterus oviduct contrast agent injection device with the patent number of 200920281491.6 avoids the medical staff from being exposed to X rays to work, and improves the safety of the medical staff.

Therefore, the remote boosting operation of the contrast agent is realized in the prior art, the radiation damage probability and degree of medical personnel are reduced, and the safety is improved; however, these devices have complex structures and poor flexibility in installation and operation, so that after the injector is fixed, the fixed end of the injector cannot be moved to a proper position to be matched with the electric device, the operation of injecting the contrast medium by repeatedly using the injector is very inconvenient, and the difficulty in secondary injection of the contrast medium is increased.

In view of this, this researcher adjusts contrast agent injection device structure when just dual source CT pancreas perfusion imaging operation, has improved the flexibility and the convenience of contrast agent injection device application, provides new installation for the contrast agent field of injecting.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned technical problem that exists among the prior art, the utility model provides a contrast medium injection device is used in two source CT pancreas perfusion imaging.

The method is realized by the following technical scheme:

the contrast agent injection device for the double-source CT pancreas perfusion imaging comprises a bottom plate, wherein an upright post is arranged on the upper surface of the bottom plate, a roller is arranged between the upright post and the upper surface of the bottom plate, and the roller can roll on the upper surface of the bottom plate; a fixing short plate is arranged on the upright column close to one end of the roller and perpendicular to the upright column, and a threaded hole is formed in the fixing short plate; an injector mounting position is arranged close to the top end of the upright post, a fixing ring is arranged on the injector mounting position, and the fixing ring is detachably arranged with the upright post through a fixing bolt; the injector comprises an injection tube, a piston positioned in the injection tube and a push rod connected with the piston, wherein the left end of the push rod is provided with a push plate; the injection tube is arranged on the installation position of the injector and is fixed on the upright post through the fixing ring; the upper surface of the bottom plate positioned on the left side of the upright post is provided with an electric device, the output end of the electric device is fixedly connected with a gear, a toothed belt is matched with the gear, a linkage rod is integrally formed on the toothed belt, the top of the linkage rod is provided with a boosting plate, and the boosting plate is connected with the push plate and can pull or push the push rod to move left and right; the electric device is provided with a remote control receiving device for controlling the electric device to start and stop; the bottom plate side is equipped with a plurality of fixed orificess, connects into whole through the fixed plate between fixed orificess and the fixed short slab, and through bolted connection between fixed short slab and the fixed plate, through bolted connection between fixed orificess and the fixed plate.

The injection tube is fixed on the upright post by the fixing ring, so that the whole stability is improved; and improves the flexibility and convenience of reloading contrast media after the injection is completed.

In order to facilitate the disassembly and the fixation and improve the convenience, the fixing holes and the fixing plate are preferably connected through bolts.

In order to improve the utilization rate of the toothed belt, reduce the size of the device and reduce the cost, preferably, the upper surface of the bottom plate on the left side of the electric device is provided with a limiting plate, and the distance from the limiting plate to the electric device is equal to the length of the toothed belt.

In order to enhance the stability of the boosting plate when the boosting plate is pushed, preferably, the boosting plate is provided with a groove, and the groove can accommodate and clamp the push plate.

Compared with the prior art, the invention has the technical effects that:

the utility model has simple structure, convenient operation and flexible application, realizes that the stand is provided with the injection tube of the injector, and fixes the injection tube on the stand, and the bottom end of the stand is provided with the roller, thereby facilitating the sliding of the stand and improving the flexibility; meanwhile, the fixing short plate, the fixing hole and the like are adopted, so that the fixing short plate, the fixing hole and the like are fixed after sliding to a proper position, the use stability of the device is enhanced, and the convenience is improved; and a remote control device in the prior art is used, the purpose of controlling the injection of the contrast medium outside the examination room is realized, and the radiation damage during the injection in the examination room is prevented.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

1-bottom plate 2-fixed hole 3-limit plate 4-electric device 5-gear 6-toothed belt 7-fixed plate 8-roller 9-fixed short plate 10-upright post 11-fixed bolt 12-fixed ring 13-injection tube 14-push rod 15-boosting plate 16-push plate 17-groove 18-linkage rod 19-remote control receiving device.

Detailed Description

The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of protection is not limited to the description.

The parts adopted in the invention are structural parts existing in the prior art, and the innovation point of the invention is to limit the structure of the whole device and the connection relation among the parts, thereby improving the operation flexibility and convenience in the use process of the device, simultaneously ensuring the integral stability of the device, reducing the volume of the integral device and reducing the occupied space. For example, the remote control device and the electric device used in the invention refer to the following prior art documents: the contrast media injector of patent No. 201822042709.4 and/or the controllable uterotubal contrast media injector of patent No. 200920281491.6. The following examples of the present invention are described below.

As shown in fig. 1, in this embodiment, the contrast medium injector for dual-source CT pancreas perfusion imaging comprises a base plate 1, wherein an upright post 10 is arranged on the upper surface of the base plate 1, a roller 8 is arranged between the upright post 10 and the upper surface of the base plate 1, and the roller 8 can roll on the upper surface of the base plate 1; a fixed short plate 9 is arranged on the upright post 10 close to one end of the roller 8 and perpendicular to the upright post 10, and a threaded hole is formed in the fixed short plate 9; an injector mounting position is arranged close to the top end of the upright post 10, a fixing ring 12 is arranged on the injector mounting position, and the fixing ring 12 is detachably arranged with the upright post 10 through a fixing bolt 11; the injector comprises an injection tube 13, a piston positioned in the injection tube 13 and a push rod 14 connected with the piston, wherein the left end of the push rod 14 is provided with a push plate 16; the injection tube 13 is arranged on the installation position of the injector and is fixed on the upright post 10 through the fixing ring 12; the upper surface of the bottom plate 1 positioned on the left side of the upright post 10 is provided with an electric device 4, the output end of the electric device 4 is fixedly connected with a gear 5, a toothed belt 6 is matched with the gear 5, a linkage rod 18 is integrally formed on the toothed belt 6, the top of the linkage rod 18 is provided with a boosting plate 15, the boosting plate 15 is connected with a push plate 16, and the push plate 14 can be pulled or pushed to move left and right; a remote control receiving device 19 (such as an industrial wireless remote control device with the model number of YJB-0150 and 0028) is arranged on the electric device 4 (such as an electric motor with the model number of YB2-132S-4H as the electric device or a remote control device used in a controllable uterotubal contrast medium injection device with the model number of 200920281491.6 as the electric device or a structure disclosed in the prior art is referred to for replacement) so as to control the electric device 4 to start and close; the side of the bottom plate 1 is provided with a plurality of fixing holes 2, the fixing holes 2 and the fixing short plates 9 are connected into a whole through the fixing plates 7, the fixing short plates 9 and the fixing plates 7 are connected through bolts, and the fixing holes 2 and the fixing plates 7 are connected through bolts.

In the using process, the upright post 10 with the roller 8 is arranged on the upper surface of the bottom plate 1, the end, close to the roller 8, of the upright post 10 is provided with the fixed short plate 9 in an integrated forming mode perpendicular to the upright post 10, the fixed short plate 9 is parallel to the bottom plate 1 and is arranged along the direction of the bottom plate 1, so that the upright post 10 can freely roll on the upper surface of the bottom plate 1, after a bag rolls to a proper position, the bag can pass through the fixed short plate 9 and the fixed plate 7 and the fixed holes 2 arranged on the side edges of the bottom plate 1 to realize the fixation and the stability of the upright post 10, and meanwhile, the flexibility and the convenience of the upright post 10 during the installation, the disassembly and the refilling of a contrast medium into the injection tube 13 or a new injector are ensured, and the operation difficulty is reduced; the top end of the upright post 10 is provided with an injector mounting position, the injection tube 13 is fixed on the upright post 10 by the fixing ring 12 and is fixed by the fixing bolt 11, so that the injection tube 13 is convenient to replace and disassemble; the toothed belt 6 is matched with a gear 5 arranged at the output end of the electric device 4, so that the gear 5 drives the toothed belt 6 to move left and right, a linkage rod 18 is integrally formed at the upper end of the toothed belt 6, a boosting plate 15 is arranged at the top end of the linkage rod 18, the boosting plate 15 is connected with a push plate 16 at the tail end of the injector, the left and right pushing of a push rod 14 of the injector is realized, the injection and extraction operations are completed, and the flexibility is improved; and the whole volume of the device is reduced, the occupied space is smaller, and the device is convenient to place.

After the specific installation is finished, the remote control device can realize remote control operation, namely the contrast agent injection outside the examination room can be controlled, and radiation hazard brought by the injection of medical staff in the examination room is prevented.

In this embodiment, the fixing holes 2 and the fixing plate 7 are connected by bolts. After the upright column and the bottom plate are convenient to roll to a proper position, the upright column 10 and the bottom plate 1 are connected into a whole through the fixing plate 7, and the stability is improved.

In this embodiment, a limit plate 3 is disposed on the upper surface of the bottom plate 1 on the left side of the electric device 4, and the distance from the limit plate 3 to the electric device 4 is equal to the length of the toothed belt 6. The defect that the injection is incomplete due to the fact that the push rod 14 is difficult to push the piston in the injection tube 13 to the rightmost end of the injection tube 13 when the toothed belt 6 slides leftwards and rightwards is avoided, and waste of contrast medium is avoided. Or the toothed belt 6 is too short, so that the toothed belt slides left and right to separate from the gear 5, the push rod 14 is difficult to push the piston in the syringe 13 to the rightmost end of the syringe 13, the defect of incomplete injection is caused, and the waste of the contrast medium is avoided.

In this embodiment, the booster plate 15 is provided with a groove 17, and the groove 17 can accommodate and clamp the push plate 16. The push plate 16 is convenient to detach and mount, the stability of connection between the push plate 15 and the push plate 16 is guaranteed, and the defect that the push plate 15 slides down from the push plate 16 is overcome.

Other matters in the invention may be realized by referring to the prior art means, common general knowledge, conventional technical means, etc. commonly known to those skilled in the art, and the related technical terms used in the invention, such as top end, bottom end, upper, lower, left, right, etc., are explained by referring to the drawings and are technical terms fully understood by those skilled in the art. Insubstantial improvements and improvements over the inventions made by those skilled in the art are intended to be within the scope of the inventions.

Claims

1. The contrast agent injection device for the double-source CT pancreas perfusion imaging is characterized by comprising a bottom plate (1), wherein an upright post (10) is arranged on the upper surface of the bottom plate (1), a roller (8) is arranged between the upright post (10) and the upper surface of the bottom plate (1), and the roller (8) can roll on the upper surface of the bottom plate (1); a fixed short plate (9) is arranged on the upright post (10) close to one end of the roller (8) and is vertical to the upright post (10), and a threaded hole is formed in the fixed short plate (9); an injector mounting position is arranged close to the top end of the upright post (10), a fixing ring (12) is arranged on the injector mounting position, and the fixing ring (12) is detachably arranged with the upright post (10) through a fixing bolt (11); the injector comprises an injection tube (13), a piston positioned in the injection tube (13), and a push rod (14) connected with the piston, wherein the left end of the push rod (14) is provided with a push plate (16); the injection cylinder (13) is arranged on the installation position of the injector and is fixed on the upright post (10) through the fixing ring (12); the upper surface of the bottom plate (1) positioned on the left side of the upright post (10) is provided with an electric device (4), the output end of the electric device (4) is fixedly connected with a gear (5), a toothed belt (6) is arranged in a matching manner with the gear (5), a linkage rod (18) is integrally formed on the toothed belt (6), the top of the linkage rod (18) is provided with a boosting plate (15), and the boosting plate (15) is connected with a push plate (16) and can pull or push the push rod (14) to move left and right; the electric device (4) is provided with a remote control receiving device (19) for controlling the electric device (4) to start and stop; the side of the bottom plate (1) is provided with a plurality of fixing holes (2), the fixing holes (2) and the fixing short plates (9) are connected into a whole through the fixing plates (7), the fixing short plates (9) are connected with the fixing plates (7) through bolts, and the fixing holes (2) are connected with the fixing plates (7) through bolts.

2. The contrast medium injector for dual-source CT pancreas perfusion imaging according to claim 1, wherein the fixing hole (2) is connected with the fixing plate (7) by a bolt.

3. The contrast medium injector for dual-source CT pancreas perfusion imaging according to claim 1, wherein a limiting plate (3) is disposed on the upper surface of the bottom plate (1) on the left side of the electric device (4), and the distance from the limiting plate (3) to the electric device (4) is equal to the length of the toothed belt (6).

4. The contrast media injector for dual-source CT pancreatic perfusion imaging as claimed in claim 1, wherein said booster plate (15) is provided with a groove (17), and said groove (17) is capable of receiving and clamping said push plate (16).