CN109908815B

CN109908815B - Cardiovascular image examination contrast agent preparation equipment

Info

Publication number: CN109908815B
Application number: CN201910346201.XA
Authority: CN
Inventors: 刘曦; 华伟
Original assignee: Fuwai Hospital of CAMS and PUMC
Current assignee: Fuwai Hospital of CAMS and PUMC
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-04-17
Anticipated expiration: 2039-04-26
Also published as: CN109908815A

Abstract

The invention discloses a cardiovascular contrast agent preparation device, which comprises a bottom plate and is characterized in that: the invention relates to the field of contrast agent preparation, in particular to a preparation device for a cardiovascular contrast agent, which comprises a bottom plate, a cylinder, a first motor, a first screw rod, a second screw rod, a piston, grooves and guide rails. The device can realize the heating before the injection of the contrast agent and the addition and mixing of the heart treatment medicine which needs to be added, and the mixing is rapid.

Description

Cardiovascular image examination contrast agent preparation equipment

Technical Field

The invention relates to the field of contrast agent preparation equipment, in particular to contrast agent preparation equipment for cardiovascular image examination.

Background

Contrast agents, a chemical that is injected into human tissue or organs to enhance the image viewing effect. When a hospital performs CT or MRI, a contrast medium needs to be injected into a patient to improve the identification of the tissue structure of the body, thereby assisting a doctor in making an accurate diagnosis. The most commonly used contrast agent is iopromide, which is a water-soluble low-osmotic-pressure non-ionic contrast agent containing 0.769g of iopromide per ml of aqueous solution, is mainly excreted by the kidney and is a commonly used medicine for cardiovascular radiography. The contrast agent has the physicochemical properties of high concentration, high osmotic pressure, high viscosity and the like when being in a normal temperature state; if the contrast medium in the normal temperature state is injected into a human body, the body discomfort of the injected person is increased, and even the contrast medium is extravasated. When the contrast agent is in a state close to the temperature of a human body, the viscosity of the contrast agent is greatly reduced compared with the viscosity of the contrast agent in a normal temperature state, so that the injection of the contrast agent is facilitated, and the discomfort of an injected person and the risk of the extravasation of the contrast agent are reduced. Therefore, the contrast agent needs to be preheated before being injected into the body to avoid the above-mentioned situation.

At present, the contrast agent is generally placed in a heatable water pot to achieve the purpose of preheating the contrast agent. The contrast agent is soaked in hot water, and a bottle of the contrast agent needs to be wiped by a towel before use, so that the operation is inconvenient; and there is a possibility of nosocomial infections such as contamination of contrast agents. The contrast agent has certain influence on the cardiac function, before the contrast agent is injected into a human body, cardiac treatment medicines are required to be added into the contrast agent according to the condition of a patient to balance the influence of the contrast agent on the cardiac function, the viscosity of the contrast agent is high at normal temperature, the contrast agent and the added medicines are difficult to mix uniformly, the contrast agent and the added medicines are uniform and not mixed, the concentration of the cardiac treatment medicines in the contrast agent is different, and the cardiac treatment medicines are easy to cause danger when entering the body of the patient.

It is therefore desirable to make a cardiovascular contrast agent preparation apparatus that can heat the contrast agent prior to injection and add and mix the cardiac treatment drug to be added.

Disclosure of Invention

The invention aims to provide a cardiovascular contrast agent preparation device which is used for heating contrast agents and mixing medicines.

The invention adopts the following technical scheme to realize the purpose of the invention:

a cardiovascular contrast agent preparation equipment comprises a bottom plate, and is characterized in that: the bottom plate upside is fixed with two backup pads, two the upper end of backup pad is fixed connection respectively at the downside both ends of drum, the fixed intercommunication of drum upside one end has into the cartridge case, the one end cover outside center of drum is fixed with motor one, the output shaft of motor one passes the one end cover center of drum and the one end of fixed connection lead screw, the other end of lead screw is fixed to pass the center of disc and articulates at the other end cover center of drum, lead screw threaded connection piston, piston both sides are equipped with the recess respectively, two the embedding has the guide rail respectively in the recess, two the guide rail is fixed respectively on the drum inner wall, two one side that the one end of guide rail is relative is fixed with the rack respectively, two the rack imbeds respectively in the U-shaped slider, two the rack meshes the gear respectively, two the one end central axis of gear articulates and passes corresponding one end and a set of fixed connection stirring of U- And the central shaft at the other end of each gear is hinged to pass through the other end of the corresponding U-shaped sliding block and is arranged in the oval sliding groove, and the oval sliding groove is arranged on one side of the disc.

As a further limitation of the technical scheme, a one-way liquid inlet valve and a one-way liquid outlet valve are fixedly communicated with the outer side of an end cover at one end of the cylinder close to the medicine inlet cylinder.

As a further limitation of the technical scheme, the outer end of the one-way liquid inlet valve is fixedly communicated with one end of a first L-shaped hose, the other end of the first L-shaped hose is fixedly communicated with a first needle, and one end of the first needle extends to the bottom of the contrast agent bottle.

The other end of the one-way liquid outlet valve is fixedly communicated with one end of a second L-shaped hose, the other end of the second L-shaped hose is fixedly communicated with a second needle, and the second needle extends to the bottom of the liquid collecting bottle.

As a further limitation of the technical scheme, two vertical plates are fixed on the bottom plate between the supporting plates, a T-shaped chute is arranged at the upper end of one side of each vertical plate, symmetrical arc chutes are arranged on the vertical plates, symmetrical guide rods are fixed on the upper side of the bottom plate, the two guide rods respectively penetrate through sliding holes respectively formed in two ends of the sliding plate, a chute is arranged in the middle of the sliding plate, one ends of two cylindrical sliding rods are arranged in the chutes, the other ends of the two cylindrical sliding rods respectively penetrate through the corresponding arc chutes and are respectively and fixedly connected with the lower ends of the L-shaped rods, the two vertical rods of the L-shaped rods are respectively sleeved with a square lantern ring, one side of each square lantern ring is respectively fixed with a T-shaped sliding block, and the two T-shaped sliding blocks are respectively arranged in the.

As a further limitation of the technical scheme, one end of the cross rod of each of the two L-shaped rods is respectively and fixedly connected with an electric heating tube, the two electric heating tubes are respectively connected to heating equipment through electric wires, the heating equipment is fixed on the upper side of the bottom plate, the heating equipment adopts the prior art, and details are omitted.

As a further limitation of the technical scheme, a round shaft is further arranged in the sliding groove, the rear end of the round shaft is fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with an output shaft of a second motor, the second motor is fixedly connected to the upper end of a motor supporting column, and the lower end of the motor supporting column is fixedly connected to the upper side of the bottom plate.

As a further limitation of the technical scheme, a sealing cover is in threaded fit with an opening at the upper end of the medicine inlet cylinder.

Compared with the prior art, the invention has the advantages and positive effects that: when the device is used, the first needle head is pricked into a contrast agent bottle containing a contrast agent, the second needle head is pricked into an empty liquid collecting bottle, the sealing cover is unscrewed, the heart treatment medicine is added into the cylinder through the medicine inlet cylinder, and the sealing cover is screwed down. The starting motor drives the screw rod to rotate, the screw rod drives the piston to move towards the direction far away from the disc, the contrast agent in the contrast agent bottle is pumped into the cylinder through the needle head I, the L-shaped hose I and the one-way liquid inlet valve in sequence, the disc is driven to rotate while the screw rod rotates, one end central shafts of the two gears are respectively arranged in the oval sliding grooves, the one end central shafts of the two gears are driven to slide in the track of the oval sliding grooves along with the rotation of the disc, so that the two gears respectively drive the corresponding U-shaped sliding blocks and one group of stirring plates to slide back and forth along the corresponding racks, the two gears are also meshed and roll back and forth on the corresponding racks at the same time, the two gears drive the corresponding group of stirring plates to rotate, the two groups of stirring plates realize the back and forth movement while rotating, the two groups of stirring plates stir and mix the contrast agent and the heart treatment, and turning off the first motor. Starting a second motor and heating equipment, wherein the second motor drives a connecting rod to rotate, the connecting rod drives a round shaft to rotate, the round shaft drives a sliding plate to reciprocate up and down along a guide rod, two cylindrical sliding rods reciprocate in sliding grooves while following the sliding plate to reciprocate up and down, the two cylindrical sliding rods also reciprocate up and down in corresponding arc-shaped sliding grooves, the two cylindrical sliding rods drive corresponding L-shaped rods to reciprocate up and down along the track of the arc-shaped sliding grooves, vertical rods of the two L-shaped rods slide up and down in corresponding square lantern rings, the two L-shaped rods drive corresponding T-shaped sliding blocks to reciprocate in the T-shaped sliding grooves through corresponding square lantern rings, the two L-shaped rods drive corresponding electric heating tubes to reciprocate up and down along the track of the arc-shaped sliding grooves, the two electric heating tubes are heated to continuously reciprocate up and down on the outer side of the cylinder, so that the temperature of the contrast agent in the cylinder is uniformly increased, starting a motor I, enabling the motor I to rotate reversely, driving the piston to move towards the direction close to the disc by the screw rod, stirring the mixture of the contrast agent and the heart treatment medicine in the cylinder by the two groups of stirring plates again in the moving process of the piston, enabling the contrast agent after heating and mixing in the cylinder to sequentially enter the liquid collecting bottle through the one-way liquid outlet valve, the L-shaped hose II and the needle head II, and taking down the liquid collecting bottle for use. The device can realize the heating before the injection of the contrast agent and the addition and mixing of the heart treatment medicine which needs to be added, and the mixing is rapid.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

FIG. 3 is a first schematic view of a part of the connection structure of the present invention.

FIG. 4 is a second schematic view of a part of the connection structure of the present invention.

FIG. 5 is a first schematic view of the connection structure of the cylinder of the present invention with other parts after being cut.

FIG. 6 is a second schematic view of the connection structure of the cylinder with other parts after being cut.

Fig. 7 is a sectional view of the contrast medium bottle and the liquid bottle of the present invention, which is connected to other parts.

Fig. 8 is a third schematic view of a part of the connection structure of the components of the present invention.

Fig. 9 is a fourth schematic view of the connection structure of parts according to the present invention.

Fig. 10 is a schematic view showing a part of the connection structure of the components of the present invention.

Fig. 11 is a schematic view six of the connection structure of parts of the present invention.

In the figure: 1. a sealing cover 2, a medicine inlet cylinder 3, a cylinder 4, a one-way liquid outlet valve 5, an L-shaped hose II, 6, a one-way liquid inlet valve 7, an L-shaped hose I, 8, a contrast agent bottle 9, a liquid collecting bottle 10, a bottom plate 11, a supporting plate 12, a heating device 13, an electric wire 14, a vertical plate 15, an arc chute 16, a guide rod 17, a sliding plate 18, a T-shaped chute 19, an L-shaped rod 20, an electric heating pipe 21, a motor I, a motor 22, the device comprises a cylindrical sliding rod 23, a circular shaft 24, a connecting rod 24a, a motor supporting column 25, a motor II 26, a square lantern ring 27, a T-shaped sliding block 28, a sliding hole 29, a lead screw 30, a guide rail 31, a piston 32, a groove 33, a disc 34, an oval sliding groove 35, a gear 36, a rack 37, a stirring plate 38, a U-shaped sliding block 39, a needle I, a needle II, a needle 41 and a sliding groove.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1-11, the present invention includes a bottom plate 10, two support plates 11 are fixed on the upper side of the bottom plate 10, the upper ends of the two support plates 11 are respectively and fixedly connected to the two ends of the lower side of a cylinder 3, one end of the upper side of the cylinder 3 is fixedly communicated with a medicine feeding cartridge 2, the center of the outer side of an end cap at one end of the cylinder 3 is fixed with a motor 21, the output shaft of the motor 21 passes through the center of the end cap at one end of the cylinder 3 and is fixedly connected with one end of a lead screw 29, the other end of the lead screw 29 passes through the center of a disc 33 and is hinged to the center of the end cap at the other end of the cylinder 3, the lead screw 29 is in threaded connection with a piston 31, grooves 32 are respectively arranged on the two sides of the piston 31, guide rails 30 are respectively embedded in the two grooves 32, two rack 36 imbeds respectively in U-shaped slider 38, two rack 36 meshes gear 35 respectively, two the one end central axis of gear 35 articulates and passes the correspondence one end and a set of stirring board 37 of fixed connection of U-shaped slider 38, two the other end central axis of gear 35 articulates the other end that passes corresponding U-shaped slider 38 and sets up in oval spout 34, oval spout 34 sets up one side of disc 33.

And a one-way liquid inlet valve 6 and a one-way liquid outlet valve 4 are fixedly communicated with the outer side of an end cover at one end of the cylinder 3 close to the liquid inlet cylinder 2.

The outer end of the one-way liquid inlet valve 6 is fixedly communicated with one end of an L-shaped hose 7, the other end of the L-shaped hose 7 is fixedly communicated with a needle head 39, and one end of the needle head 39 extends to the bottom of the contrast agent bottle 8.

The other end of the one-way liquid outlet valve 4 is fixedly communicated with one end of a second L-shaped hose 5, the other end of the second L-shaped hose 5 is fixedly communicated with a second needle head 40, and the second needle head 40 extends to the bottom of the liquid collecting bottle 9.

A vertical plate 14 is fixed on the bottom plate 10 between the two support plates 11, a T-shaped sliding groove 18 is arranged at the upper end of one side of the vertical plate 14, symmetrical arc-shaped sliding grooves 15 are arranged on the vertical plate 14, symmetrical guide rods 16 are fixed on the upper side of the bottom plate 10, the two guide rods 16 respectively penetrate through sliding holes 28 which are respectively arranged at two ends of the sliding plate 17, a sliding groove 41 is arranged in the middle of the sliding plate 17, one ends of two cylindrical sliding rods 22 are arranged in the sliding groove 41, the other ends of the two cylindrical sliding rods 22 respectively penetrate through the corresponding arc-shaped sliding grooves 15 and are respectively and fixedly connected with the lower ends of the L-shaped rods 19, square sleeve rings 26 are respectively sleeved on the vertical rods of the L-shaped rods 19 in a surrounding manner, T-shaped sliding blocks 27 are respectively fixed on one sides of the two square sleeve rings 26, and.

One end of the cross bar of each of the two L-shaped bars 19 is fixedly connected with an electric heating tube 20, the two electric heating tubes 20 are connected to a heating device 12 through electric wires 13, the heating device 12 is fixed on the upper side of the bottom plate 10, and the heating device 12 is made by the prior art and is not described again.

A round shaft 23 is further arranged in the sliding groove 41, the rear end of the round shaft 23 is fixedly connected with one end of a connecting rod 24, the other end of the connecting rod 24 is fixedly connected with an output shaft of a second motor 25, the second motor 25 is fixedly connected with the upper end of a motor supporting column 24a, and the lower end of the motor supporting column 24a is fixedly connected with the upper side of the bottom plate 10.

The upper end opening of the medicine inlet cylinder 2 is in threaded fit with a sealing cover 1.

The working process of the invention is as follows: when the device is used, firstly, the first needle 39 is pricked into a contrast agent bottle 8 containing contrast agent, the second needle 40 is pricked into an empty liquid collecting bottle 9, the sealing cover 1 is unscrewed, the heart treatment medicine is added into the cylinder 3 through the medicine inlet cylinder 2, and the sealing cover 1 is screwed down. The first starting motor 21 drives the screw rod 29 to rotate, the screw rod 29 drives the piston 31 to move towards the direction far away from the disc 33, the contrast agent in the contrast agent bottle 8 is pumped into the cylinder 3 sequentially through the first needle 39, the first L-shaped hose 7 and the one-way liquid inlet valve 6, the disc 33 is driven to rotate while the screw rod 4 rotates, as the central shafts at one ends of the two gears 35 are respectively arranged in the oval sliding chute 34, the central shafts at one ends of the two gears 35 are driven to slide in the track of the oval sliding chute 34 along with the rotation of the disc 33, the two gears 35 respectively drive the corresponding U-shaped sliding block 28 and one group of stirring plates 37 to slide along the corresponding racks 36 in a reciprocating manner, the two gears 35 also roll on the corresponding racks 36 in a reciprocating manner, the two gears 35 drive the corresponding group of stirring plates 37 to rotate, so that the two groups of stirring plates 37 rotate in a reciprocating manner while realizing reciprocating movement, the two groups of stirring plates 37 stir and, after a proper amount of contrast agent is sucked into the cylinder 3, the first motor 21 is turned off. The second motor 25 and the heating device 12 are started, the second motor 25 drives the connecting rod 24 to rotate, the connecting rod 24 drives the circular shaft 23 to rotate, the circular shaft 23 drives the sliding plate 17 to reciprocate up and down along the guide rod 16, the two cylindrical sliding rods 22 reciprocate in the sliding grooves 41 while reciprocating up and down along the sliding plate 17, the two cylindrical sliding rods 22 also reciprocate up and down in the corresponding arc-shaped sliding grooves 15, the two cylindrical sliding rods 22 drive the corresponding L-shaped rods 19 to reciprocate up and down along the track of the arc-shaped sliding grooves 15, the vertical rods of the two L-shaped rods 19 slide up and down in the corresponding square lantern rings 26, the two L-shaped rods 19 drive the corresponding T-shaped sliding blocks 27 to reciprocate in the T-shaped sliding grooves 18 through the corresponding square lantern rings 26, the two L-shaped rods 19 drive the corresponding electric heating tubes 20 to reciprocate up and down along the track of the arc-shaped sliding grooves 15, and the two heated, the temperature of the contrast agent in the cylinder 3 is uniformly increased, when the temperature of the contrast agent in the cylinder 3 is increased to a required temperature, the second motor 25 is turned off, the first motor 21 is started, the first motor 21 rotates reversely, the screw rod 29 drives the piston 31 to move towards the direction close to the disc 33, the two groups of stirring plates 37 stir the mixture of the contrast agent and the heart treatment medicine in the cylinder 3 again in the movement process of the piston 31, the contrast agent which is heated and mixed in the cylinder 3 enters the liquid collecting bottle 9 through the one-way liquid outlet valve 4, the L-shaped hose II 5 and the needle II 4 in sequence, and the liquid collecting bottle 9 is taken down for use.

The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. A contrast agent preparation device for cardiovascular image examination comprises a base plate (10), and is characterized in that: the upper side of the bottom plate (10) is fixedly provided with two supporting plates (11), the upper ends of the two supporting plates (11) are respectively and fixedly connected with the two ends of the lower side of the cylinder (3), one end of the upper side of the cylinder (3) is fixedly communicated with the medicine inlet cylinder (2), the center of the outer side of the end cover at one end of the cylinder (3) is fixedly provided with a motor I (21), an output shaft of the motor I (21) penetrates through the center of the end cover at one end of the cylinder (3) and is fixedly connected with one end of a lead screw (29), the other end of the lead screw (29) penetrates through the center of a disc (33) and is hinged at the center of the end cover at the other end of the cylinder (3), the lead screw (29) is in threaded connection with a piston (31), grooves (32) are respectively arranged at the two sides of the piston (31), guide rails (30) are respectively, two one side that the one end of guide rail (30) is relative is fixed with rack (36) respectively, two rack (36) imbeds respectively in U-shaped slider (38), two rack (36) meshes gear (35) respectively, two the articulated one end central axis of gear (35) passes and corresponds the one end and the a set of stirring board of fixed connection (37) of U-shaped slider (38), two the articulated other end that passes corresponding U-shaped slider (38) of other end central axis of gear (35) just sets up in oval spout (34), oval spout (34) set up one side of disc (33).

2. The apparatus for preparing contrast agent for cardiovascular imaging examination according to claim 1, wherein: the outer side of the end cover at one end of the cylinder (3) close to the medicine inlet cylinder (2) is fixedly communicated with a one-way liquid inlet valve (6) and a one-way liquid outlet valve (4).

3. The apparatus for preparing contrast agent for cardiovascular imaging examination according to claim 2, wherein: the outer end of the one-way liquid inlet valve (6) is fixedly communicated with one end of the L-shaped hose I (7), the other end of the L-shaped hose I (7) is fixedly communicated with a needle I (39), and one end of the needle I (39) extends to the bottom of the contrast agent bottle (8).

4. The apparatus for preparing contrast agent for cardiovascular imaging examination according to claim 3, wherein: the other end of the one-way liquid outlet valve (4) is fixedly communicated with one end of a second L-shaped hose (5), the other end of the second L-shaped hose (5) is fixedly communicated with a second needle (40), and the second needle (40) extends to the bottom of the liquid collecting bottle (9).

5. The apparatus for preparing contrast agent for cardiovascular imaging examination according to claim 1, wherein: a vertical plate (14) is fixed on the bottom plate (10) between the two supporting plates (11), a T-shaped sliding groove (18) is arranged at the upper end of one side of the vertical plate (14), symmetrical arc-shaped sliding grooves (15) are arranged on the vertical plate (14), symmetrical guide rods (16) are fixed on the upper side of the bottom plate (10), the two guide rods (16) respectively penetrate through sliding holes (28) formed in two ends of a sliding plate (17), a sliding groove (41) is formed in the middle of the sliding plate (17), one end of two cylindrical sliding rods (22) is arranged in the sliding groove (41), the other ends of the two cylindrical sliding rods (22) respectively penetrate through the corresponding arc-shaped sliding grooves (15) and are respectively and fixedly connected with the lower end of an L-shaped rod (19), square sleeve rings (26) are respectively sleeved on the vertical rods of the two L-shaped rods (19), and T-shaped sliding blocks (27) are respectively fixed on one, the two T-shaped sliding blocks (27) are respectively arranged in the T-shaped sliding grooves (18).

6. The apparatus for preparing contrast agent for cardiovascular imaging examination according to claim 5, wherein: one end of a cross bar of each of the two L-shaped rods (19) is fixedly connected with an electric heating tube (20), the two electric heating tubes (20) are connected to heating equipment (12) through electric wires (13), and the heating equipment (12) is fixed on the upper side of the bottom plate (10).

7. The apparatus for preparing contrast agent for cardiovascular imaging examination according to claim 5, wherein: the novel motor is characterized in that a round shaft (23) is further arranged in the sliding groove (41), the rear end of the round shaft (23) is fixedly connected with one end of a connecting rod (24), the other end of the connecting rod (24) is fixedly connected with an output shaft of a second motor (25), the second motor (25) is fixedly connected to the upper end of a motor supporting column (24a), and the lower end of the motor supporting column (24a) is fixedly connected to the upper side of the bottom plate (10).

8. The apparatus for preparing contrast agent for cardiovascular imaging examination according to any one of claims 1 to 7, wherein: the upper end opening of the medicine inlet cylinder (2) is in threaded fit with a sealing cover (1).