CN107551344B - Rapid drug delivery device and method - Google Patents
Rapid drug delivery device and method Download PDFInfo
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- CN107551344B CN107551344B CN201710953613.0A CN201710953613A CN107551344B CN 107551344 B CN107551344 B CN 107551344B CN 201710953613 A CN201710953613 A CN 201710953613A CN 107551344 B CN107551344 B CN 107551344B
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Abstract
The invention discloses a rapid drug delivery device and a method. The device comprises a syringe tray and a tray cover; wherein, the injector tray is provided with an injector fixing position, and the shape of the injector fixing position is matched with an injector for containing medicine so that the injector can be fixed in the injector fixing position; a syringe connecting piece is arranged on the inner side surface of the tray cover, and the position of the syringe connecting piece corresponds to the position of the syringe fixing position; the syringe connecting piece includes the connector and the hose that is connected with the connector, the connector matches with the injection hole of syringe, works as the tray lid is in when closing on the syringe tray, the connector can be fixed on the injection hole of syringe, and be provided with one-way valve in the connector. The invention is safe and convenient, and can realize the rapid combined administration of the medicines.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a rapid drug delivery device and a rapid drug delivery method.
Background
Rapid induction of anesthesia is the most commonly used induction method for general anesthesia by anesthesiologists, and the induction method requires that a plurality of (e.g. 4-5) anesthetic drugs and auxiliary drugs are sequentially injected through a pre-established intravenous route of a patient in a short time (about 30 s), so that the patient is fully sedated, analgesic and muscle relaxed, and the patient is brought into an operable state after anesthesia induction.
In a specific operation, an anesthesiologist sequentially connects a plurality of syringes filled with anesthetic drugs with a three-way stopcock on a patient's intravenous infusion path, and sequentially injects the plurality of drugs. However, this rapid induction process suffers from a number of drawbacks due to the need to repeatedly connect (remove) multiple syringes to a three-way stopcock for administration:
1. the liquid medicine in the venous access and the syringe is easy to extravasate in the process of drug administration;
2. each connecting process is easy to generate small bubbles in the three-channel rotary valve;
3. the anesthesiologist is quite complicated in operation, and the operation burden is increased;
4. most importantly, repeated connection of the syringe to the three-way stopcock requires repeated access by the anesthesiologist to the three-way stopcock, which increases the risk of bacterial contamination of the patient's venous access.
At present, most of vein induction processes adopt the administration mode, and the problems are needed to be solved. Although specific improvements of the administration mode by individual devices have also appeared, the nature of the need to connect the front ends of the syringes one by one has not been changed, the procedure is still cumbersome, and the risk of bacterial contamination of the front ends of the syringes still remains.
Disclosure of Invention
In view of the above, the invention makes a brand new design on the rapid administration device to form a rapid administration device and a rapid administration method, and can realize the combined operation of a plurality of syringes by utilizing the box body and the movable box cover, thereby realizing the rapid, accurate, sterile and convenient administration process, greatly reducing the risk of pollution of the pipeline and ensuring safer period of patients in perioperative period.
In one aspect, the present invention provides a rapid drug delivery device, said device comprising a syringe tray and a tray cover; wherein, the injector tray is provided with an injector fixing position, and the shape of the injector fixing position is matched with an injector for containing medicine so that the injector can be fixed in the injector fixing position; a syringe connecting piece is arranged on the inner side surface of the tray cover, and the position of the syringe connecting piece corresponds to the position of the syringe fixing position; the syringe connecting piece includes the connector and the hose that is connected with the connector, the connector matches with the injection hole of syringe, works as the tray lid is in when closing on the syringe tray, the connector can be fixed on the injection hole of syringe, and be provided with one-way valve in the connector. The one-way valve has the function of preventing the liquid medicine from flowing reversely, and when the injector is placed or operated, if the excessive pressure at the far end possibly causes the liquid medicine to flow reversely into other pipelines, the one-way valve is arranged in the connector, so that the situation can be avoided, and the one-way valve is particularly important in the rapid induction process of anesthesia.
According to the device of the present invention, preferably, the number of the syringe fixing positions is at least two, and the number of the syringe connectors is at least two, so as to realize rapid combined administration of multiple liquid medicines (such as anesthesia induction); more preferably, the number of the fixed positions of the injector and the number of the connecting pieces of the injector are five, and the maximum five liquid medicines can be sequentially injected into the venous access of the patient in different sequences, so that the use requirement of rapid combined administration of most veins can be met.
According to the device of the present invention, preferably, the syringe tray has a cubic structure with an upper side open, and a rail on at least a first side of the syringe tray; the tray cover is a flat plate, and at least a first edge of the tray cover is provided with a raised convex head; when the tray cover is mounted on the syringe tray, the projection of the tray cover can be placed into and slid along the rail. More preferably, a second side opposite to the first side is also provided with a track, and a second edge opposite to the first edge is also provided with a convex protrusion, so that the sliding process of the tray cover is more stable.
According to the device of the invention, preferably, the syringe fixing position comprises a syringe clamping position for fixing the front end of the syringe and a syringe clamping groove for fixing the rear end of the syringe, and the position of the syringe clamping position corresponds to the position of the syringe clamping groove; the back side surface of the injector tray is provided with an opening, the lower part of the opening is provided with the injector clamping groove, and the injector clamping groove is positioned on the bottom surface of the injector tray. Preferably, the injector is positioned on a baffle plate in the middle of the injector tray, a plurality of grooves for fixing the front end of the injector are formed in the baffle plate, and the grooves are used as the injector clamping positions. The syringe clamping groove and the syringe clamping position are arranged according to the appearance of the syringe, the rear end structure of the syringe is clamped into the syringe clamping groove, and the front end structure of the syringe is clamped into the syringe clamping position, so that the syringe is integrally fixed in the syringe tray, the syringe is not easy to move in the use process, and the fixing effect is good. In the invention, the front end of the injector is the end close to the injection hole, and the rear end of the injector is the end close to the piston rod.
Preferably, the device according to the invention, the syringe connectors further comprise a manifold, the hose of each syringe connector being in fluid communication with the manifold. More preferably, the diameter of the main pipe is 2-4mm, and the diameter of the hose is 2-4mm; more preferably, the manifold has a diameter of 3mm and the hose has a diameter of 2mm, thereby facilitating the transfer of the medical fluid from the syringe through the hose into the manifold and ultimately into the venous access.
According to the device of the invention, preferably, a filter is provided in the manifold; the manifold extends out from the tray cover or out from the front side of the syringe tray to facilitate communication with the patient's venous access. The filter is arranged in the main pipe to filter air and impurities existing in the pipeline, so that small bubbles in the venous access are avoided.
According to the device, preferably, the connector of the injector connector is a hole sleeve or a buckle, the inner diameter of the front end of the hole sleeve is smaller than or equal to the outer diameter of the injection hole of the injector, and the hole sleeve can be sealed and sleeved outside the injection hole; the front end of the buckle can clamp and seal the injection hole of the injector. The connector can be made of plastic materials, so that certain elastic deformation can occur, and sealing connection is facilitated. The injection hole of the injector is fixed on the connector in a hole sleeve or buckle mode, so that good fixing effect is ensured, and when the piston rod of the injector is pushed, liquid medicine can be conveniently and rapidly fed into the hose of the injector connector, and then the liquid medicine can enter the main pipe and the venous access of a patient.
According to the device of the present invention, preferably, the tray cover is slidably or reversibly mounted on the syringe tray. When in operation, a doctor only needs to directly slide the tray cover, or turn over the tray cover to close and slide the tray cover, so that the action of simultaneously connecting a plurality of syringes can be rapidly completed, and the connection mode and the operation mode of the syringes are fundamentally changed without touching the injection holes at the front ends of the syringes by hands.
According to the device of the present invention, preferably, the syringe tray and the tray cover are made of polyvinyl chloride (PVC) material. The PVC material may be those known, and the syringe tray, the tray cover and the syringe are all disposable, and the entire device is sterile.
In another aspect, the present invention provides a method for rapid administration using the rapid administration device described above, the method comprising: fixing a predetermined number of syringes in the syringe fixing position of the syringe tray, covering the tray cover on the syringe tray, moving the tray cover to fix the connector of the syringe connector on the injection hole of the syringe, and operating the syringe to administer medicine. The method can not only lighten the workload of doctors, but also reduce the risk of confusion of medicines through simple steps and convenient operation, and most importantly, overcomes the difficult problem which always puzzles doctors in the past.
The invention provides an embedded design of a syringe based on a tray (such as a square box body), a plurality of syringes can be placed and fixed at the same time, a plurality of syringe connecting pieces are correspondingly designed on a tray cover (such as a flat plate box cover), and the syringe connecting pieces are indirectly moved by moving the tray cover, so that the syringes and the syringe connecting pieces can be connected and fixed with each other without touching the syringes by hands, and the risk of bacterial pollution of the device is fundamentally reduced; and the connection of the plurality of syringe connecting pieces and the plurality of syringes is completed simultaneously, the connection one by one is not needed, the complicated operation is avoided, the workload of anesthesiologists can be reduced, the risk of medicine confusion in the syringes can be reduced, and the method has good application and popularization values.
Drawings
Fig. 1 is a schematic view of a rapid drug delivery device of example 1.
Fig. 2 is a schematic view of the rapid drug delivery device of example 5.
The reference numerals are explained as follows:
1-box cover, 2-raised head, 3-rotation shaft, 4-sliding track, 5-syringe clamping position, 6-syringe clamping groove, 7-one-way valve, 8-syringe connector, 9-hose and 10-filter (located outside the box).
Detailed Description
The present invention will be further described with reference to specific examples, but the scope of the present invention is not limited thereto.
The invention uses the box body and the movable box cover to carry out rapid combined operation on a plurality of syringes, doctors can intensively pre-charge the induced liquid medicine into the syringes by using the pre-operation medicine preparation stage, the front ends of the syringes do not need to be connected with the syringe connectors on the box cover in sequence in operation, and the plurality of syringes can be connected to the connectors at one time, thereby avoiding complicated operation and reducing the risk of bacterial pollution.
Example 1
Fig. 1 is a schematic structural view of a rapid drug delivery device according to the present invention. The device is mainly made of a full transparent polyvinyl chloride PVC material, is sterile and is disposable. The device mainly comprises a box body and a slidable box cover 1, wherein the box body is of a cube structure, and a syringe fixing position is designed in the box body and used for placing and fixing a syringe. As shown, there are a total of 5 syringe retaining locations, each of which includes a syringe detent 5 located inside the cassette and a syringe detent 6 located behind the cassette. The injector clamping position 5 is positioned on a baffle plate in the middle of the box body, and 5 injector clamping positions 5 are arranged on the baffle plate, and when the injector clamping position 5 is used, the front end of the injector is clamped into the injector clamping position 5, so that the front end of the injector is fixed. The syringe draw-in groove 6 is close to the trailing flank of box body, is equipped with 5 breaches on the trailing flank, opens in the box body bottom surface position department that is close to the trailing flank breach has syringe draw-in groove 6, places the syringe body in the breach and with syringe rear end card go into syringe draw-in groove 6 to fix syringe body and rear end.
The box cover 1 of the embodiment is a rectangular plate and is covered on the box body in a turnover way through the rotating shaft 3. The inner side surface of the box cover 1 is provided with 5 corresponding conical hole sleeve-shaped injector connectors 8, and a one-way valve 7 (namely a liquid one-way valve) is arranged in each injector connector 8 to prevent the liquid medicine from flowing back. Each injector connector 8 is connected with a cylindrical hose 9 (diameter is 2 mm), 5 hoses 9 are converged to a main pipe (diameter is 3 mm) on the inner side of the box cover 1, the main pipe penetrates out of the box cover 1 and can be connected with an intravenous infusion path of a patient, and a filter 10 is arranged in the main pipe.
The two side edges of the box cover 1 of the embodiment are provided with protruding bosses 2, the two side walls of the box body are provided with corresponding sliding rails 4, when the box cover 1 is closed, the bosses 2 on the box cover 1 can fall into the rails 4 on the two sides of the box body, the box cover 1 is pushed slightly, and the box cover can slide along the rails 4. The injector connector 8 on the inner side of the box cover 1 can be connected with the injection hole of the injector fixed in the box body. The inner diameter of the injector connector 8 is smaller than or equal to the outer diameter of the injection hole at the front end of the injector, so that the injector connector and the injector can be connected in a sealing way.
The administration device of this embodiment can be applied to a maximum of 5 10ml syringes filled with liquid medicine simultaneously, when in use, firstly the syringes are clamped into the syringe fixing positions in the case body, then the case cover 1 is closed, the case cover 1 is lightly pushed towards the rear end of the syringes, the syringe connector 8 is connected with the injection hole of the syringes, and then the main tube extending to the outside of the case body is connected with the intravenous infusion path of the patient. Suitable occasions include: (1) intravenous rapid induction dosing of anesthesia; (2) rapid compound administration during rescuing patients; (3) other clinical settings require rapid, sequential, co-administration.
Example 2
The box cover of the embodiment is of a sliding type closing design, the box cover is slidably moved to place the raised head of the box cover into the track of the box body, and then the box cover is slid continuously, the connector on the box cover is fixedly connected with the injection hole of the injector, and the purpose that the front end of the injector is not required to be contacted by hands and a plurality of injectors are simultaneously connected can be achieved. The rest of the arrangement is the same as in example 1.
Example 3
The syringe connector on the box cover of the embodiment is in a buckle type design, and when the box cover is closed, the front end injection hole of the syringe is clamped and sealed by a buckle connected with a hose. The rest of the arrangement is the same as in example 1.
Example 4
The number of syringe fixing locations and syringe connectors of this embodiment is 10. The rest of the arrangement is the same as in example 1.
Example 5
As shown in fig. 2, the manifold of the administration device of this embodiment extends out from the front side of the cassette. The rest of the structure is the same as in embodiment 1.
The present invention is not limited to the above-described embodiments, and any modifications, improvements, substitutions, and the like, which may occur to those skilled in the art, fall within the scope of the present invention without departing from the spirit of the invention.
Claims (8)
1. A rapid drug delivery device comprising a syringe tray and a tray cover; wherein, the liquid crystal display device comprises a liquid crystal display device,
the injector tray is of a cube structure with an open upper part; the syringe tray is provided with a syringe fixing position, and the shape of the syringe fixing position is matched with that of a syringe for containing medicines so that the syringe can be fixed in the syringe fixing position; the syringe fixing position comprises a syringe clamping position for fixing the front end of the syringe and a syringe clamping groove for fixing the rear end of the syringe, and the position of the syringe clamping position corresponds to the position of the syringe clamping groove; an opening is formed in the rear side face of the injector tray, the injector clamping groove is formed below the opening, and the injector clamping groove is located on the bottom face of the injector tray; the tray cover is a flat plate; the tray cover is slidably or reversibly mounted on the syringe tray; a syringe connecting piece is arranged on the inner side surface of the tray cover, and the position of the syringe connecting piece corresponds to the position of the syringe fixing position; the syringe connecting piece includes the connector and the hose that is connected with the connector, the connector matches with the injection hole of syringe, works as the tray lid is in when closing on the syringe tray, the connector can be fixed on the injection hole of syringe, and be provided with one-way valve in the connector.
2. The device of claim 1, wherein the number of syringe attachment locations is at least two and the number of syringe connectors is at least two.
3. The device of claim 1, wherein the syringe tray has a track on at least a first side thereof; a raised boss on at least a first edge of the tray cover; when the tray cover is mounted on the syringe tray, the projection of the tray cover can be placed into and slid along the rail.
4. The device of claim 2, wherein the syringe connectors further comprise a manifold, the hose of each syringe connector being in fluid communication with the manifold.
5. The apparatus of claim 4, wherein a filter is disposed within the manifold; the manifold extends out of the tray cover or out of the front side of the syringe tray.
6. The device of claim 1, wherein the connector of the syringe connector is a socket or a clasp; the inner diameter of the front end of the hole sleeve is smaller than or equal to the outer diameter of the injection hole of the injector, and the hole sleeve can be sealed and sleeved outside the injection hole; the front end of the buckle can clamp and seal the injection hole of the injector.
7. The device of claim 1, wherein the syringe tray and tray cover are made of polyvinyl chloride PVC material.
8. The device of any one of claims 1-7, wherein the method of administering the device comprises: fixing a predetermined number of syringes in the syringe fixing position of the syringe tray, covering the tray cover on the syringe tray, moving the tray cover to fix the connector of the syringe connector on the injection hole of the syringe, and operating the syringe to administer medicine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953613.0A CN107551344B (en) | 2017-10-13 | 2017-10-13 | Rapid drug delivery device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953613.0A CN107551344B (en) | 2017-10-13 | 2017-10-13 | Rapid drug delivery device and method |
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| CN107551344A CN107551344A (en) | 2018-01-09 |
| CN107551344B true CN107551344B (en) | 2023-07-14 |
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Also Published As
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| CN107551344A (en) | 2018-01-09 |
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