CN212940881U

CN212940881U - Novel dual-purpose injector

Info

Publication number: CN212940881U
Application number: CN202020780502.1U
Authority: CN
Inventors: 张晓宇; 白亚娟; 高书理; 冉晓丽; 周红霄; 许扬; 楚雅欣
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-04-13
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a novel double-purpose syringe, including injection tube, liquid outlet, syringe needle, the internal surface of injection tube is equipped with first baffle and second baffle, and first baffle and second baffle divide into the inside of injection tube that first chamber, the second hold the chamber and the third holds the chamber, and the third holds the intracavity and is equipped with the switching-over valve, the utility model discloses first chamber and the second that holds the setting in chamber is convenient for extract the medicine of two kinds of differences, and the setting of switching-over valve can hold the first chamber and the second and hold the medicine of the difference of intracavity and inject for patient in proper order, only needs the syringe needle to prick patient's muscle once, alleviates patient's misery, convenient operation, and is safe in utilization.

Description

Novel dual-purpose injector

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to novel double-purpose syringe.

Background

At present, when clinically injecting medicine for a patient, doctors need to convey different medicines according to the condition of the patient, the existing injector is generally only provided with one accommodating cavity, when two medicines are required to be injected, the two medicines are required to be injected twice, namely, a needle head is inserted into the skin of the patient twice, the pain of the patient is increased, and great potential safety hazards exist for uncooperative patients.

Therefore, it is a problem worthy of research to provide a novel dual-purpose injector capable of injecting two or more medicines simultaneously without mixing the medicines.

Disclosure of Invention

The utility model aims at providing a novel double-purpose syringe that can inject more than two kinds of medicines and medicine unmixing simultaneously to the not enough of above-mentioned prior art.

The purpose of the utility model is realized like this:

the novel double-purpose injector comprises an injection tube, a liquid outlet positioned at the bottom of the injection tube, and a needle head communicated with the liquid outlet, the inner surface of the injection tube is provided with a first clapboard in the vertical direction and a second clapboard which is fixedly connected with the lower surface of the first clapboard and is in the horizontal direction, the first clapboard and the second clapboard divide the interior of the injection tube into a first containing cavity, a second containing cavity which is positioned at the right side of the first containing cavity and a third containing cavity which is positioned below the first containing cavity and below the second containing cavity, a reversing valve which is used for communicating or disconnecting the liquid outlet with the first containing cavity and the second containing cavity is arranged in the third containing cavity, the reversing valve comprises a shell fixedly connected with the rear side face of the third accommodating cavity, a cavity body located in the shell body, a plurality of inlets and outlets located on the shell body, a plugging mechanism located in the cavity body and used for plugging the inlets, and a rotating mechanism connected with the plugging mechanism and used for enabling the plugging mechanism to move.

The bottom that the first chamber that holds is equipped with makes the first through-hole that holds the chamber and the third chamber intercommunication that holds, and the bottom that the second held the chamber is equipped with the second through-hole that makes the second hold the chamber and the third chamber intercommunication that holds, and the third holds the bottom and the liquid outlet intercommunication in chamber.

A first piston is arranged in the first accommodating cavity, and a second piston is arranged in the second accommodating cavity.

The cavity is cylindric, and the central axis of cavity is located the horizontal direction, and the leading flank of casing is located the third and holds the outside in chamber, and the top of casing is equipped with first import and second import, and the bottom of casing is equipped with the export, and first through-hole passes through pipeline and first access connection, and the second through-hole passes through pipeline and second import intercommunication, and the liquid outlet passes through pipeline and export intercommunication.

Be equipped with the water conservancy diversion chamber in the cavity, the top in water conservancy diversion chamber and the upper portion sealing connection of cavity, the bottom and the export sealing connection in water conservancy diversion chamber, the water conservancy diversion chamber is the toper, shutoff mechanism including the closure plate that is used for the first import of shutoff and second import, be located the sealing layer of closure plate upper surface, with the connecting rod of the lower fixed surface of closure plate be connected, the closure plate is the arc, shutoff mechanism including the closure plate that is used for the first import of shutoff and second import, be located the sealing layer of closure plate upper surface, with the connecting rod of the lower fixed surface of closure plate, the closure plate is the arc.

The rotating mechanism comprises a rotating shaft, a knob and a locking mechanism, wherein the rotating shaft is fixedly connected with the end part of the connecting rod and is connected with the front side surface of the shell through a bearing, the knob is movably connected with the front end of the rotating shaft through a connecting mechanism, the locking mechanism is used for locking the rotating shaft, the rotating shaft coincides with the central axis of the cavity, the knob is located on the front side of the shell, and the included angle between the rotating shaft and the connecting rod is 90 degrees.

The connecting mechanism comprises an inserting rod fixedly connected with the rear side face of the knob, a spring fixedly connected with the rear end of the inserting rod, and an inserting groove located on the front side face of the rotating shaft and provided with a forward opening, the inserting rod is located in the inserting groove, and the other end of the spring is fixedly connected with the rear side face of the inserting groove.

The cross section of inserted bar is the hexagon, and the cross section of slot is the hexagon.

The locking mechanism comprises a locking rod fixedly connected with the rear side surface of the knob and a plurality of locking grooves which are positioned on the front side surface of the shell and matched with the locking rod.

Has the positive and beneficial effects that: the utility model discloses the first setting that holds chamber and second and hold the chamber is convenient for extract the medicine of two kinds of differences, and the setting of switching-over valve can be with the first medicine that holds the difference that holds chamber and second and hold the intracavity for patient's injection in proper order, only needs the syringe needle to prick into patient's muscle once, alleviates patient's misery, convenient operation, safe in utilization.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of portion A;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is an enlarged schematic view of part B;

in the figure, the following steps are carried out: injection cylinder 1, liquid outlet 2, syringe needle 3, first baffle 4, second baffle 5, first chamber 6, the second holds chamber 7, the third holds chamber 8, first piston 9, second piston 10, first through-hole 11, second through-hole 12, switching-over valve 13, casing 14, cavity 15, first import 16, second import 17, export 18, pivot 19, connecting rod 20, closure plate 21, knob 22, inserted bar 23, slot 24, spring 25, locking lever 26, locking groove 27, water conservancy diversion chamber 28.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

As shown in fig. 1, the novel dual-purpose injector comprises an injection tube 1, a liquid outlet 2 located at the bottom of the injection tube 1, and a needle 3 communicated with the liquid outlet 2, wherein the needle 3 is detachably connected with the outer surface of the liquid outlet 2, so as to facilitate the replacement of the needle 3 and the injection tube 1, the inner surface of the injection tube 1 is provided with a first partition plate 4 in the vertical direction, a second partition plate 5 fixedly connected with the lower surface of the first partition plate 4 and in the horizontal direction, the first partition plate 4 and the second partition plate 5 divide the interior of the injection tube 1 into a first accommodating cavity 6, a second accommodating cavity 7 located at the right side of the first accommodating cavity 6, and a third accommodating cavity 8 located below the first accommodating cavity 6 and below the second accommodating cavity 7, the front side surface and the rear side surface of the first partition plate 4 are fixed with the front side and the rear side of the inner surface of the injection tube 1 respectively through medical adhesives, the periphery of the second partition plate 5 is, the bottom of the first partition plate 4 is fixed with the upper surface of the second partition plate 5 through a movable adhesive, a reversing valve 13 for communicating or disconnecting the liquid outlet 2 with the first accommodating cavity 6 and the second accommodating cavity 7 is arranged in the third accommodating cavity 8, a first through hole 11 for communicating the first accommodating cavity 6 with the third accommodating cavity 8 is arranged at the bottom of the first accommodating cavity 6, a second through hole 12 for communicating the second accommodating cavity 7 with the third accommodating cavity 8 is arranged at the bottom of the second accommodating cavity 7, the bottom of the third accommodating cavity 8 is communicated with the liquid outlet 2, a first piston 9 is arranged in the first accommodating cavity 6, a second piston 10 is arranged in the second accommodating cavity 7, when liquid medicine needs to be sucked into the first accommodating cavity 6, the reversing valve 13 is adjusted to communicate the first accommodating cavity 6 with the liquid outlet 2, the first piston 9 is pulled to suck the liquid medicine into the first accommodating cavity 6 for standby, when the liquid medicine needs to be sucked into the second accommodating cavity 7, adjustment switching-over valve 13, make the second hold chamber 7 and liquid outlet 2 intercommunication, pulling second piston 9, hold chamber 7 reserve with liquid medicine suction second, when the first liquid medicine that holds in chamber 6 of needs to human injection, the adjustment switching-over valve, in time first chamber 6 and the liquid outlet 2 intercommunication of holding, then promote piston 9, make the first medicine that holds in chamber 6 pour into the human body, and simultaneously, adjustment switching-over valve 13, make the second hold chamber 7 and liquid outlet 2 intercommunication, promote second piston 10, make the second hold the medicine that holds in chamber 7 and pour into the human body, prick human muscle once through the syringe needle, then inject into the human body with two kinds of different medicines, avoid patient's misery.

As shown in fig. 2, the reversing valve 13 includes a housing 14 fixedly connected to the rear side of the third accommodating chamber 8, a chamber 15 located in the housing 14, a plurality of inlets and outlets located on the housing 14, a blocking mechanism located in the chamber 15 and used for blocking the inlets, and a rotating mechanism connected to the blocking mechanism and moving the blocking mechanism. The cavity 15 is cylindrical, the central axis of the cavity 15 is in the horizontal direction, the front side surface of the shell 14 is located outside the third accommodating cavity 8, the top of the shell 14 is provided with a first inlet 16 and a second inlet 17, the bottom of the shell 14 is provided with an outlet 18, the first through hole 11 is connected with the first inlet 16 through a pipeline, the second through hole 12 is communicated with the second inlet 17 through a pipeline, and the liquid outlet 2 is communicated with the outlet 18 through a pipeline. Be equipped with water conservancy diversion chamber 28 in the cavity 15, the top in water conservancy diversion chamber 28 and the upper portion sealing connection of cavity 15, the bottom and the export 18 sealing connection in water conservancy diversion chamber 28, the area at water conservancy diversion chamber 28 top is greater than the area of bottom, and first import 16 and second import 17 all are located water conservancy diversion chamber 128, and water conservancy diversion chamber 28 is the toper, and the liquid medicine of being convenient for flows out fast, avoids the residue of liquid medicine, shutoff mechanism is including the closure plate 21 that is used for the first import 16 of shutoff and second import 17, be located the sealing layer of closure plate 21 upper surface, with the connecting rod 20 of the lower fixed surface of closure plate 21, and closure plate 21 is the arc, and the surface contact of sealing layer and cavity is convenient for with the shutoff of first import 16 and second import 17 and sealed, and closure plate 21, connecting rod 20 all are located water conservancy diversion chamber 28.

As shown in fig. 3 and 4, the rotating mechanism includes a rotating shaft 19 fixedly connected to an end of the connecting rod 20 and connected to a front side of the housing 14 through a bearing, a knob 22 movably connected to a front end of the rotating shaft 19 through a connecting mechanism, and a locking mechanism for locking the rotating shaft 19, the rotating shaft 19 coincides with a central axis of the cavity 15, the knob 22 is located at a front side of the housing 14, an included angle between the rotating shaft 19 and the connecting rod 20 is 90 °, the rotating shaft 19 passes through a front side of the diversion cavity 28, and the rotating shaft 19 is hermetically connected to a front side of the diversion cavity 28 through a sealing sleeve, so that the liquid medicine is prevented from flowing out from a connection part of the rotating shaft 19 and the front side of the. The connecting mechanism comprises an inserting rod 23 fixedly connected with the rear side surface of the knob 22, a spring 24 fixedly connected with the rear end of the inserting rod 23, and a slot 25 positioned on the front side surface of the rotating shaft 19 and provided with a forward opening, the inserting rod 23 is positioned in the slot 25, and the other end of the spring 24 is fixedly connected with the rear side surface of the slot 25. The cross section of the inserted rod 23 is hexagonal, the cross section of the slot 25 is hexagonal, the front end of the rotating shaft 19 is positioned outside the front side surface of the shell 14, the front side surface of the shell 14 is provided with a first indicating line and a second indicating line for indicating and blocking the first inlet 16 and the second inlet 17, the front end of the knob 22 is provided with an indicating line, when the first indicating line on the front end surface of the shell 14 is superposed with the indicating line of the knob 22, the blocking plate 21 is used to block the first inlet 16, and when the second indication line of the front end surface of the housing 14 coincides with the indication line of the knob 22, the blocking plate 21 blocks the second inlet 17, when the position of the blocking plate 21 needs to be adjusted, the knob 22 is rotated, the knob 22 drives the insertion rod 23 to rotate, the insertion rod 23 drives the slot 25 and the rotating shaft 19 to rotate, so that the blocking plate 21 can move, thereby changing the position of the blocking plate 21 to facilitate the blocking of the first inlet 16 and the second inlet 17.

Example 2

As shown in fig. 1, the novel dual-purpose injector comprises an injection tube 1, a liquid outlet 2 located at the bottom of the injection tube 1, and a needle 3 communicated with the liquid outlet 2, wherein a first partition plate 4 in the vertical direction and a second partition plate 5 fixedly connected with the lower surface of the first partition plate 4 and in the horizontal direction are arranged on the inner surface of the injection tube 1, the first partition plate 4 and the second partition plate 5 divide the interior of the injection tube 1 into a first accommodating cavity 6, a second accommodating cavity 7 located at the right side of the first accommodating cavity 6, and a third accommodating cavity 8 located below the first accommodating cavity 6 and the second accommodating cavity 7, the front side surface and the rear side surface of the first partition plate 4 are respectively fixed with the front side and the rear side of the inner surface of the injection tube 1 through medical adhesives, the periphery of the second partition plate 5 is fixed with the inner surface of the injection tube 1 through medical adhesives, the bottom of the first partition plate 4 is fixed with the upper surface of the second partition plate 5, a reversing valve 13 for communicating or disconnecting the liquid outlet 2 with the first accommodating cavity 6 and the second accommodating cavity 7 is arranged in the third accommodating cavity 8, a first through hole 11 for communicating the first accommodating cavity 6 with the third accommodating cavity 8 is arranged at the bottom of the first accommodating cavity 6, a second through hole 12 for communicating the second accommodating cavity 7 with the third accommodating cavity 8 is arranged at the bottom of the second accommodating cavity 7, the bottom of the third accommodating cavity 8 is communicated with the liquid outlet 2, a first piston 9 is arranged in the first accommodating cavity 6, a second piston 10 is arranged in the second accommodating cavity 7, when liquid medicine needs to be sucked into the first accommodating cavity 6, the reversing valve 13 is adjusted to communicate the first accommodating cavity 6 with the liquid outlet 2, the first piston 9 is pulled to suck the liquid medicine into the first accommodating cavity 6 for standby, when the liquid medicine needs to be sucked into the second accommodating cavity 7, the reversing valve 13 is adjusted to communicate the second accommodating cavity 7 with the liquid outlet 2, pulling second piston 9, hold chamber 7 reserve with liquid medicine suction second, when the first liquid medicine that holds in chamber 6 of needs to human injection, the adjustment switching-over valve, first chamber 6 and the 2 intercommunication of liquid outlet of holding in the time, then promote piston 9, make the first medicine that holds in chamber 6 pour into the human body, and simultaneously, adjustment switching-over valve 13, make the

second hold chamber

7 and 2 intercommunications of liquid outlet, promote second piston 10, it is human that the medicine that makes the second hold in chamber 7 pours into, prick into human muscle once through the syringe needle, then inject into human with two kinds of different medicines, avoid patient's misery.

Locking mechanical system include with the trailing flank fixed connection's of knob 22 locking lever 26, be located the leading flank of casing 14 and with locking lever 26 matched with a plurality of locking groove 27, locking lever 26 sets up two, and locking lever 26 is corresponding with the position that locks groove 27, and the opening that locks groove 27 is forward, and a plurality of locking groove 27 uses slot 25 to evenly set up as the centre of a circle, and the locking lever 26 of being convenient for rotates certain direction and inserts in locking groove 27.

When the position of closure plate 21 needs to be adjusted, the needle head is fixed on one hand, then the knob 22 is held to the other hand and certain distance is pulled forward, the locking rod 26 is located in the outside of locking groove 27, the knob 22 is rotated at the moment, the closure plate 21 is moved to the set position, the knob 22 is loosened, the locking rod 26 is inserted into the locking groove 27, the knob is locked, the rotating shaft 19 is locked, and the closure plate 21 is convenient to close the first inlet 16 and the second inlet 17.

The utility model discloses the first setting that holds chamber and second and hold the chamber is convenient for extract the medicine of two kinds of differences, and the setting of switching-over valve can be with the first medicine that holds the difference that holds chamber and second and hold the intracavity for patient's injection in proper order, only needs the syringe needle to prick into patient's muscle once, alleviates patient's misery, convenient operation, safe in utilization.

Claims

1. Novel double-purpose syringe, including the syringe, be located the liquid outlet of syringe bottom, with the syringe needle of liquid outlet intercommunication, its characterized in that: the interior surface of injection tube is equipped with the first baffle that is in vertical direction, with the lower fixed surface of first baffle be connected and be in the second baffle of horizontal direction, first baffle and second baffle divide into the inside of injection tube first hold the chamber, the second that is located first chamber right side of holding holds the chamber, the third that is located first chamber below and the second of holding the chamber below holds the chamber, the third holds the intracavity and is equipped with the switching-over valve that is used for making the liquid outlet and first chamber and the second of holding hold the chamber intercommunication or disconnection, the switching-over valve includes the casing that holds the trailing flank fixed connection in chamber with the third, is located the cavity of casing, is located a plurality of imports and exports on the casing, is located the cavity and is used for the shutoff mechanism of import, is connected with the shutoff mechanism and makes the slewing mechanism that the shutoff mechanism removed.

2. Novel dual-purpose syringe according to claim 1, characterized in that: the bottom that the first chamber that holds is equipped with makes the first through-hole that holds the chamber and the third chamber intercommunication that holds, and the bottom that the second held the chamber is equipped with the second through-hole that makes the second hold the chamber and the third chamber intercommunication that holds, and the third holds the bottom and the liquid outlet intercommunication in chamber.

3. Novel dual-purpose syringe according to claim 1, characterized in that: a first piston is arranged in the first accommodating cavity, and a second piston is arranged in the second accommodating cavity.

4. Novel dual-purpose syringe according to claim 2, characterized in that: the first cavity that holds chamber, second and third and hold the chamber is cylindricly, and the central axis of cavity is located the horizontal direction, and the leading flank of casing is located the third and holds the outside in chamber, and the top of casing is equipped with first import and second import, and the bottom of casing is equipped with the export, and first through-hole passes through pipeline and first access connection, and the second through-hole passes through pipeline and second import intercommunication, and the liquid outlet passes through pipeline and export intercommunication.

5. Novel dual-purpose syringe according to claim 4, characterized in that: the cavity is internally provided with a flow guide cavity, the top of the flow guide cavity is connected with the upper part of the cavity in a sealing manner, the bottom of the flow guide cavity is connected with an outlet in a sealing manner, the flow guide cavity is conical, the plugging mechanism comprises a plugging plate for plugging a first inlet and a second inlet, a sealing layer positioned on the upper surface of the plugging plate and a connecting rod fixedly connected with the lower surface of the plugging plate, and the plugging plate is an arc-shaped plate.

6. Novel dual-purpose syringe according to claim 5, characterized in that: the rotating mechanism comprises a rotating shaft, a knob and a locking mechanism, wherein the rotating shaft is fixedly connected with the end part of the connecting rod and is connected with the front side surface of the shell through a bearing, the knob is movably connected with the front end of the rotating shaft through a connecting mechanism, the locking mechanism is used for locking the rotating shaft, the rotating shaft coincides with the central axis of the cavity, the knob is located on the front side of the shell, and the included angle between the rotating shaft and the connecting rod is 90 degrees.

7. Novel dual-purpose syringe according to claim 6, characterized in that: the connecting mechanism comprises an inserting rod fixedly connected with the rear side face of the knob, a spring fixedly connected with the rear end of the inserting rod, and an inserting groove located on the front side face of the rotating shaft and provided with a forward opening, the inserting rod is located in the inserting groove, and the other end of the spring is fixedly connected with the rear side face of the inserting groove.

8. Novel dual-purpose syringe according to claim 7, characterized in that: the cross section of inserted bar is the hexagon, and the cross section of slot is the hexagon.

9. Novel dual-purpose syringe according to claim 6, characterized in that: the locking mechanism comprises a locking rod fixedly connected with the rear side surface of the knob and a plurality of locking grooves which are positioned on the front side surface of the shell and matched with the locking rod.