CN107551344B - Rapid drug delivery device and method - Google Patents

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

Rapid drug delivery device and method

technical field

The invention relates to the field of medical technology, in particular to a rapid drug delivery device and method.

Background technique

The rapid induction of anesthesia is the most commonly used induction method for general anesthesia by anesthesiologists. This induction method needs to inject multiple (such as 4 to 5) sequentially through a pre-established patient intravenous access within a short period of time (about 30s). Anesthesia drugs and auxiliary drugs, so as to provide patients with sufficient sedation, analgesia and muscle relaxation, and enter the operable state after anesthesia induction.

During the specific operation, the anesthesiologist will sequentially connect multiple syringes prefilled with anesthetic drugs to a three-channel rotary valve on the patient's intravenous infusion channel, and inject various drugs in sequence. However, due to the need to repeatedly connect (remove) multiple syringes to the three-way rotary valve for administration, this rapid induction process has many drawbacks:

1. The drug solution in the intravenous access and the syringe is easy to extravasate during the administration process;

2. Every time the connection process is easy to make small bubbles in the three-channel rotary valve;

3. Anesthesiologists are quite cumbersome in operation, which increases the workload;

4. Most importantly, repeatedly connecting the syringe to the three-channel valve requires the anesthesiologist to repeatedly touch the three-channel valve, which will increase the risk of bacterial contamination of the patient's venous access.

At present, most of the intravenous induction processes use the above-mentioned administration methods, and the existing problems need to be solved urgently. Although some devices have made targeted improvements to the way of administering drugs, the essence of connecting the front ends of the syringes one by one has not changed, the operating procedures are still cumbersome, and the risk of bacterial contamination of the front ends of the syringes still exists.

Contents of the invention

In view of this, the present invention carries out a new design on the rapid drug delivery device to form a rapid drug delivery device and method, which can realize the joint operation of multiple syringes by using the box body and the movable box cover, and can realize fast, accurate, The sterile and convenient administration process greatly reduces the risk of pipeline contamination and makes patients safer during the perioperative period.

In one aspect, the present invention provides a rapid drug delivery device, which includes a syringe tray and a tray cover; wherein, the syringe tray is provided with a syringe fixing position, and the shape of the syringe fixing position is the same as that used to accommodate the drug. The syringe is matched so that the syringe can be fixed in the syringe fixing position; the inner surface of the tray cover is provided with a syringe connector, and the position of the syringe connector corresponds to the position of the syringe fixing position; the The syringe connector includes a connector and a hose connected to the connector. The connector matches the injection hole of the syringe. When the tray cover is closed on the syringe tray, the connector can be fixed A one-way valve is arranged on the injection hole of the syringe and inside the connecting head. The function of the one-way valve is to prevent the backflow of the liquid medicine. When the syringe is standing or operating, if the pressure at the distal end is too high, it may cause the liquid medicine to flow back into other pipelines. Installing a one-way valve in the connector can avoid this situation occurs, which is especially important during the rapid induction 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, which are used to realize rapid delivery of various medicinal liquids (such as during anesthesia induction). Combined administration; more preferably, the number of the syringe fixing position and the syringe connector is five, and up to five medicinal liquids can be sequentially injected into the patient's intravenous access in different orders, which can meet the requirements of most intravenous rapid combined administration. drug use needs.

According to the device of the present invention, preferably, the syringe tray is a cubic structure with an open top, and there is a rail on at least the first side of the syringe tray; the tray cover is a flat plate, and at least the first side of the tray cover One edge has a protruding head; when the tray cover is installed on the syringe tray, the protrusion of the tray cover can be put into the track and slide along the track. More preferably, the second side opposite to the first side also has a track, and the second edge opposite to the first edge also has a raised protrusion, so that the sliding process of the tray cover is more stable .

According to the device of the present invention, preferably, the syringe fixing position includes a syringe clamping position for fixing the front end of the syringe and a syringe clamping slot for fixing the rear end of the syringe, and the position of the syringe clamping position is consistent with the syringe clamping groove Corresponding to the position; wherein, there is an opening on the rear side of the syringe tray, the syringe locking slot is opened below the opening, and the syringe locking slot is located on the bottom surface of the syringe tray. Preferably, the syringe stop is located on a baffle in the middle of the syringe tray, and several grooves are formed on the baffle to fix the front end of the syringe, and the grooves are used as the syringe stop. The above-mentioned syringe clamping slot and syringe clamping position are set according to the shape of the syringe. Insert the rear end structure of the syringe into the syringe clamping slot, and clamp the front structure of the syringe into the syringe clamping position, so as to fix the syringe as a whole on the syringe tray Among them, the syringe is not easy to move during use, and the fixing effect is good. In the present invention, the front end of the syringe refers to the end close to the injection hole, and the rear end of the syringe refers to the end close to the piston rod.

According to the device of the present invention, preferably, the syringe connector further includes a manifold, and the hose of each syringe connector is in fluid communication with the manifold. More preferably, the diameter of the main pipe is 2-4mm, and the diameter of the flexible pipe is 2-4mm; more preferably, the diameter of the main pipe is 3mm, and the diameter of the flexible pipe is 2mm, thereby facilitating the liquid medicine in the syringe It joins the main tube through the hose and eventually into the intravenous access.

According to the device of the present invention, preferably, a filter is arranged in the main pipe; the main pipe passes through the tray cover, or passes through the front side of the syringe tray, so as to facilitate the intravenous access with the patient connected. The effect of setting the filter in the main pipe is to filter the air and impurities in the pipeline, and avoid the generation of small air bubbles in the venous access.

According to the device of the present invention, preferably, the connecting head of the syringe connector is a hole sleeve or a buckle, and the inner diameter of the front end of the hole sleeve is less than or equal to the outer diameter of the injection hole of the syringe. Such a design makes the hole sleeve The sealing sleeve can be arranged outside the injection hole; the front end of the buckle can hold and seal the injection hole of the syringe. The connecting head can be made of plastic material, so that a certain elastic deformation can occur, which is beneficial to the sealed connection. The injection hole of the syringe is fixed on the connector in the form of a hole sleeve or buckle to ensure a good fixing effect. When the piston rod of the syringe is pushed, the liquid medicine can be conveniently and quickly sent to the soft part of the syringe connector. tube, which in turn provides access to the mains and the patient's IV access.

According to the device of the present invention, preferably, the tray cover is slidably or reversibly mounted on the syringe tray. During operation, the doctor only needs to directly slide the tray cover, or turn the tray cover over and then slide the tray cover, and can quickly complete the action of connecting multiple syringes at the same time, without touching the injection hole at the front of the syringe, which fundamentally changes the How to connect and operate the syringe.

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 can adopt those known materials, and the syringe tray, the tray cover and the syringe are all disposable, and the whole device is sterile.

In another aspect, the present invention provides a method for rapid drug administration using the above-mentioned rapid drug delivery device, the method comprising: fixing a predetermined number of syringes in the syringe fixing positions of the syringe tray, The tray cover is closed on the syringe tray, the tray cover is moved to fix the connector of the syringe connector on the injection hole of the syringe, and the syringe is operated for administration. Through simple steps and convenient operation, the method can not only reduce the workload of doctors, but also reduce the risk of drug confusion, and most importantly, it overcomes the problems that have plagued doctors in the past.

The present invention provides an embeddable design of syringes based on a tray (such as a square box), which can place and fix multiple syringes at the same time, and correspondingly designs multiple syringe connections on the tray cover (such as a flat box cover) The syringe connector is indirectly moved by moving the tray cover, so that the syringe and the syringe connector can be connected and fixed without hand contact with the syringe, which fundamentally reduces the risk of bacterial contamination of the device; and multiple syringes are connected The connection between components and multiple syringes is completed at the same time, and there is no need to connect one by one, which avoids cumbersome operations, can not only reduce the workload of anesthesiologists, but also reduce the risk of drug confusion in the syringes, which has good application and promotion value.

Description of drawings

FIG. 1 is a schematic diagram of the rapid drug delivery device of Example 1.

2 is a schematic diagram of the rapid drug delivery device of Example 5.

The reference signs are explained as follows:

1-box cover, 2-protruding head, 3-rotation shaft, 4-sliding track, 5-syringe card position, 6-syringe card slot, 7-one-way valve, 8-syringe connector, 9-hose, 10 - Filter (located outside the box).

Detailed ways

The present invention will be further described below in conjunction with specific examples, but the protection scope of the present invention is not limited thereto.

The present invention utilizes the box body and the movable box cover to quickly and jointly operate a plurality of syringes, and the doctor can use the preoperative drug preparation stage to concentrate and pre-fill the medicinal liquid used for induction into the syringes, and there is no need to connect the front end of the syringes to the syringes during the operation. The syringe connectors on the box cover are connected sequentially, but multiple syringes can be connected to the connectors at one time, avoiding cumbersome operations and reducing the risk of bacterial contamination.

Example 1

Fig. 1 is a schematic structural view of a rapid drug delivery device of the present invention. The device is mainly made of fully transparent polyvinyl chloride PVC material, which is sterile and disposable. The device mainly includes two parts, a box body and a slidable box cover 1, wherein the box body is a cubic structure, and a syringe fixing position is designed in the box body for placing and fixing the syringe. As shown in the figure, there are 5 syringe fixing positions in total, and each syringe fixing position includes a syringe locking position 5 inside the box body and a syringe locking slot 6 at the rear of the box body. The syringe stop 5 is located on a baffle in the middle of the box body. Five syringe stops 5 are provided on the baffle. When in use, the front end of the syringe is inserted into the syringe stop 5 to fix the front end of the syringe. The syringe card slot 6 is close to the back side of the box body, and there are 5 notches on the back side, and the syringe card slot 6 is opened at the position close to the notch on the back side on the bottom surface of the box body, the syringe body is placed in the notch and the back of the syringe is The end is snapped into the syringe slot 6, thereby fixing the syringe body and the rear end.

The box cover 1 of this embodiment is a rectangular plate, which is closed on the box body by turning the rotating shaft 3 over. The inner surface of the lid 1 is provided with 5 corresponding conical socket-shaped syringe connectors 8, and the syringe connector 8 is provided with a one-way valve 7 (ie, a liquid one-way valve) to prevent the liquid medicine from flowing backward. Each syringe connector 8 is connected with a cylindrical hose 9 (diameter 2mm), and five hoses 9 converge to a main pipe (diameter 3mm) inside the box cover 1, and the main pipe passes through the box cover 1 and can communicate with the patient. The intravenous infusion channel is connected, and a filter 10 is arranged in the main pipe.

In this embodiment, there are protruding protrusions 2 on both side edges of the box cover 1, and corresponding slide rails 4 are provided on the two side walls of the box body. When the box cover 1 is closed, the protrusions 2 on the box cover 1 can fall into the box. In the track 4 on both sides of the body, gently push the lid 1, and the lid can slide along the track 4. The syringe connector 8 inside the box cover 1 can be connected with the injection hole of the syringe fixed in the box body. The inner diameter of the syringe connector 8 is less than or equal to the outer diameter of the injection hole at the front end of the syringe to ensure that the two can be sealed.

The drug delivery device of this embodiment can be used with up to 5 10ml syringes prefilled with medicinal liquid at the same time. Gently push toward the rear end of the syringe to connect the syringe connector 8 with the injection hole of the syringe, and then connect the main pipe extending to the outside of the box body with the patient's intravenous infusion access. Applicable occasions include: ① rapid intravenous induction of anesthesia; ② rapid compound administration during patient rescue; ③ other occasions where rapid, sequential, and combined administration is required in other clinical work.

Example 2

The box cover of this embodiment is a sliding closed design, and the box cover is slidably moved to put the protrusion of the box cover into the track of the box body, and then continue to slide to connect and fix the connector on the box cover with the injection hole of the syringe , It can also achieve the purpose of connecting multiple syringes at the same time without touching the front end of the syringe with hands. The rest of the settings are the same as in Example 1.

Example 3

The syringe connector on the box cover of this embodiment is a buckle-type design. When the box cover is closed, the injection hole at the front end of the syringe is locked and sealed by the buckle connected with the hose. The rest of the settings are the same as in Example 1.

Example 4

The number of syringe fixing positions and syringe connectors in this embodiment is 10. The rest of the settings are the same as in Example 1.

Example 5

As shown in Figure 2, the main tube of the drug delivery device of this embodiment passes through the front side of the box body. All the other structures are the same as in Example 1.

The present invention is not limited to the above-mentioned embodiments. Without departing from the essence of the present invention, any deformation, improvement, and replacement conceivable by those skilled in the art fall within the scope of the present invention.

Claims (8)

1. A rapid drug delivery device comprising a syringe tray and a tray cover; wherein,,

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.

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