Duplex mixing injector

Abstract

The utility model provides a duplex mixing injector which comprises two injector bodies, the two injector bodies are fixedly arranged together through a connecting disc, an opening and closing adjusting mechanism for controlling opening and closing of liquid outlet pipes of the two injector bodies is arranged on the lower portions of the liquid outlet pipes of the two injector bodies, and the opening and closing adjusting mechanism comprises an adjusting assembly and a connecting assembly. The adjusting assembly comprises a transfer liquid storage barrel, through holes are formed in the left side and the right side of the upper portion of the transfer liquid storage barrel correspondingly, an adjusting groove is formed in the transfer liquid storage barrel and located between the two through holes, a push-pull rod is slidably arranged in the adjusting groove, a fixing plate is arranged on the lower portion of the push-pull rod, and sealing discs are arranged on the left side and the right side of the upper portion of the fixing plate correspondingly. According to the utility model, the liquid medicine in the two liquid outlet pipes can be simultaneously injected by pushing and pulling the opening and closing adjusting mechanism, the injection operation of different liquid medicines can be carried out without repeatedly inserting and pulling the needle tube, and the operation is simpler, more efficient and more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of syringes, in particular to a double mixing syringe. Background Art

[0002] The syringes used in clinical practice are mainly single-barrel syringes and double-mixing syringes. When two liquid medicines are mixed instantly, a double-mixing syringe is required. There are two methods in clinical applications: infusion and spraying, which require the use of two different injection needles. When both methods are required during surgery, the injection needle must be replaced to change the sample addition method, which makes the surgical operation cumbersome and increases the risk of introducing contamination. In order to avoid this cumbersome operation, doctors often prepare multiple double-mixing syringes with different needles. This will cause redundant consumption of drugs, waste drugs, and increase the economic burden on patients.

[0003] Chinese patent document CN208823454U discloses a dual-purpose double mixing syringe connector and a double mixing syringe. The double mixing syringe connector can be connected to both a long nozzle and a short nozzle, so that the two modes of use, coating type and laparoscope type, can be switched conveniently and quickly. However, the double mixing syringe still cannot avoid the problem of nozzle switching and cannot solve the problem of cumbersome intraoperative operation. Utility Model Content

[0004] In view of this, the utility model provides a double mixing syringe, which can open one of the two syringe bodies' liquid outlet tubes and close the other syringe body's liquid outlet tube by pushing and pulling the push-pull rod in the opening and closing mechanism to adjust the opening and closing mechanism with the fixed plate and the sealing disk on the upper part of the fixed plate to slide along the adjusting groove, or open the two liquid outlet tubes at the same time, and then introduce the medicine liquid into the needle at the head of the transfer storage barrel, so as to realize the simultaneous injection of the medicine liquid in the two liquid outlet tubes, without repeatedly inserting and pulling out the needle tube to inject different medicine liquids, and the operation is simpler, more efficient and convenient.

[0005] In order to solve the above technical problems, the utility model provides a double mixing syringe, comprising two syringe bodies, the two syringe bodies are fixed together by a connecting plate, the lower parts of the liquid outlet pipes of the two syringe bodies are provided with an adjusting opening and closing mechanism for controlling the opening and closing thereof, the adjusting opening and closing mechanism comprises an adjusting component and a connecting component for connecting the liquid outlet pipes of the two syringe bodies with the adjusting component, the adjusting component comprises a transfer liquid storage barrel connected to the liquid outlet pipes, through holes are respectively provided on the left and right sides of the upper part of the transfer liquid storage barrel, an adjusting groove is provided on the transfer liquid storage barrel and located between the two through holes, a push-pull rod is slidably provided in the adjusting groove, and a push-pull rod is pushed and pulled. A fixing plate is provided at the lower part of the pull rod, and sealing disks are provided on the left and right sides of the upper part of the fixing plate respectively. The utility model can open one of the liquid outlet pipes of the two syringe bodies and close the liquid outlet pipe of the other syringe body by pushing and pulling the push-pull rod in the push-pull adjustment opening and closing mechanism with the fixing plate and the sealing disk on the upper part of the fixing plate to slide along the adjustment groove, or open the two liquid outlet pipes at the same time, and then introduce the medicine liquid into the needle at the head of the transfer storage barrel, so as to realize the simultaneous injection of the medicine liquid in the two liquid outlet pipes, without repeatedly inserting and pulling out the needle tube to inject different medicine liquids, and the operation is simpler, more efficient and convenient.

[0006] A slide rail is provided on the upper part of the transfer liquid storage barrel and on the outer side of the adjusting groove. A slider is slidably provided in the slide rail. A mounting hole matched with the push-pull rod is opened on the slider. The push-pull rod passes through and is fixed in the mounting hole. The utility model can guide and limit the slider through the slide rail and fix the push-pull rod through the slider. The push-pull rod is pushed along the direction of the slide rail, thereby realizing the push-pull rod pulling the slider and the fixing plate and sealing disk at the lower part of the slider to realize opening and closing operations of the two liquid outlet pipes, which is more convenient and efficient.

[0007] A gripping portion is arranged on the upper part of the push-pull rod. The gripping portion is a rubber structure, and an anti-slip protrusion is arranged on its outer surface. The purpose of this is to facilitate the operator to grasp the gripping portion more firmly.

[0008] The connecting assembly includes a connecting plate sleeved on the lower parts of the two liquid outlet pipes, a threaded tube is arranged at the lower part of the connecting plate and below the liquid outlet pipe, a nut is threadedly connected to the outer side of the threaded tube, the lower part of the threaded tube is arranged on the upper part of the intermediate transfer liquid storage barrel, and the threaded tube passes through the through hole. The utility model can realize convenient and fast connection operation between the liquid outlet pipe and the intermediate transfer liquid storage barrel through the connecting assembly, and the vertical height of the connecting plate can be fixed through the cooperation of the nut and the threaded tube, which greatly increases the connection stability performance of the connecting plate.

[0009] Scale lines are arranged on the outer side wall of the barrel of the syringe body, through which the injection volume can be obtained more conveniently and clearly, and the operation is more convenient.

[0010] A liquid injection port is provided on the connecting disk and on the axis of the barrel of the syringe body, and a piston push rod is provided in the liquid injection port. By pulling the piston push rod out of the outer side of the barrel of the syringe body, the medicine to be injected can be poured into the barrel through the liquid injection port, and then the piston push rod can be inserted into the liquid injection port and pressed downward to inject the medicine into the human body, which is more convenient.

[0011] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0012] 1. The utility model can open one of the liquid outlet pipes in the two syringe bodies and close the liquid outlet pipe in the other syringe body by pushing and pulling the push-pull rod in the push-pull adjustment opening and closing mechanism with the fixed plate and the sealing plate on the upper part of the fixed plate to slide along the adjustment groove, or open the two liquid outlet pipes at the same time, and then introduce the liquid medicine into the needle at the head of the transfer storage barrel, so as to realize the simultaneous injection of the liquid medicine in the two liquid outlet pipes, without repeatedly inserting and pulling out the needle tube to inject different liquid medicines, and the operation is simpler, more efficient and convenient.

[0013] 2. The utility model can use the guiding and limiting effect of the slide rail on the slider and the fixing effect of the slider on the push-pull rod. By pushing the push-pull rod along the direction of the slide rail, the push-pull rod pulls the slider and the fixing plate and sealing disk at the bottom of the slider to open and close the two liquid outlet pipes, which is more convenient and efficient.

[0014] 3. The gripping part is a rubber structure, and its outer surface is provided with anti-slip protrusions, so that the operator can grasp the gripping part more firmly.

[0015] 4. The scale line can more easily and clearly obtain the injection volume, making the operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the double mixing syringe of the utility model;

[0017] Figure 2 This is an enlarged view of point A of the utility model;

[0018] Figure 3 It is a top view of the double mixing syringe of the utility model;

[0019] Figure 4 This is a cross-sectional view of the utility model at BB;

[0020] Figure 5 It is an enlarged view of point C of the present utility model.

[0021] Explanation of the reference numerals: 100, syringe body; 101, connecting plate; 102, liquid outlet pipe; 103, liquid injection port; 104, piston push rod; 105, scale line; 200, opening and closing adjustment mechanism; 210, adjusting assembly; 211, transfer liquid storage barrel; 212, through hole; 213, adjusting groove; 214, push-pull rod; 215, fixing plate; 216, sealing plate; 217, slide rail; 218, slider; 219, mounting hole; 220, connecting assembly; 221, connecting plate; 222, threaded pipe; 223, nut. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0023] like Figure 1-5 As shown: This embodiment provides a double mixing syringe, including two syringe bodies 100, the two syringe bodies 100 are fixed together through a connecting plate 101, and the lower part of the liquid outlet pipes 102 of the two syringe bodies 100 is provided with an adjusting opening and closing mechanism 200 for controlling the opening and closing thereof, the adjusting opening and closing mechanism 200 includes an adjusting component 210 and a connecting component 220 for connecting the liquid outlet pipes 102 of the two syringe bodies 100 with the adjusting component 210, the adjusting component 210 includes a transfer liquid storage barrel 211 connected to the liquid outlet pipes 102, through holes 212 are respectively provided on the left and right sides of the upper part of the transfer liquid storage barrel 211, an adjusting groove 213 is provided on the transfer liquid storage barrel 211 and located between the two through holes 212, and a push-pull rod 220 is slidably provided in the adjusting groove 213 14. A fixing plate 215 is provided at the lower part of the push-pull rod 214, and sealing disks 216 are respectively provided on the left and right sides of the upper part of the fixing plate 215. The utility model can push and pull the push-pull rod 214 in the opening and closing mechanism 200 to slide with the fixing plate 215 and the sealing disk 216 on the upper part of the fixing plate 215 along the adjusting groove 213 to open one of the liquid outlet pipes 102 of the two syringe bodies 100 and close the liquid outlet pipe 102 of the other syringe body 100, or open the two liquid outlet pipes 102 at the same time, and then introduce the liquid medicine into the needle at the head of the transfer storage barrel 211, so as to realize the simultaneous injection of the liquid medicine in the two liquid outlet pipes 102, without repeatedly inserting and pulling out the needle tube to inject different liquid medicines, and the operation is simpler, more efficient and convenient.

[0024] According to one embodiment of the utility model, Figure 1-3 As shown, a slide rail 217 is provided at the upper part of the transfer liquid storage barrel 211 and at the outer side of the adjusting groove 213, and a slider 218 is slidably provided in the slide rail 217. The slider 218 is provided with a mounting hole 219 adapted to the push-pull rod 214, and the push-pull rod 214 passes through and is fixed in the mounting hole 219. The utility model can guide and limit the slider 218 through the slide rail 217 and fix the push-pull rod 214 through the slider 218. The push-pull rod 214 is pushed along the direction of the slide rail 217, thereby realizing that the push-pull rod 214 pulls the slider 218 and the fixing plate 215 and the sealing disk 216 at the lower part of the slider 218 to realize the opening and closing operations of the two liquid outlet pipes 102, which is more convenient and efficient.

[0025] According to another embodiment of the present invention, Figure 1 and Figure 4 As shown, a gripping portion is provided on the upper portion of the push-pull rod 214. The gripping portion is a rubber structure, and an anti-slip protrusion is provided on its outer surface. The purpose of this is to facilitate the operator to grasp the gripping portion more firmly.

[0026] According to another embodiment of the present invention, Figure 1 and Figure 5 As shown, the connecting component 220 includes a connecting plate 221 sleeved on the lower part of the two liquid outlet pipes 102, a threaded tube 222 is arranged at the lower part of the connecting plate 221 and below the liquid outlet pipe 102, a nut 223 is threadedly connected to the outer side of the threaded tube 222, the lower part of the threaded tube 222 is arranged on the upper part of the intermediate transfer liquid storage barrel 211, and the threaded tube 222 passes through the through hole 212. The utility model can realize convenient and fast connection operation between the liquid outlet pipe 102 and the intermediate transfer liquid storage barrel 211 through the connecting component 220, and the vertical height of the connecting plate 221 can be fixed through the cooperation of the nut 223 and the threaded tube 222, which greatly increases the connection stability performance of the connecting plate 221.

[0027] According to another embodiment of the present invention, Figure 1 and Figure 2 As shown, scale lines 105 are arranged on the outer wall of the barrel of the syringe body 100, and the injection volume can be obtained more conveniently and clearly through the scale lines 105, and the operation is more convenient.

[0028] A liquid injection port 103 is provided on the connecting disk 101 and on the axis of the barrel of the syringe body 100, and a piston push rod 104 is provided in the liquid injection port 103. By pulling the piston push rod 104 out of the outer side of the barrel of the syringe body 100, the medicine to be injected can be poured into the barrel through the liquid injection port 103, and then the piston push rod 104 can be inserted into the liquid injection port 103 and pressed downward to inject the medicine into the human body, which is more convenient.

[0029] The use of the utility model:

[0030] First of all, it should be made clear that the present invention involves a syringe that is mainly used for multi-channel injection needs in medical treatment. The present invention takes the injection of double pipes as an example to explain its method of use in detail. When an injection operation is required, the piston push rod 104 is manually pulled upward. By pulling the piston push rod 104 out of the outer side of the barrel of the syringe body 100, the medicine to be injected can be poured into the barrel through the injection port 103. Then, the piston push rod 104 is reinserted into the barrel of the syringe body 100, and then the push-pull rod 200 in the opening and closing mechanism 200 is adjusted by pushing and pulling. The fixing plate 215 and the sealing plate 216 on the fixing plate 215 slide along the adjusting groove 213 to open one of the liquid outlet pipes 102 of the two syringe bodies 100 and close the liquid outlet pipe 102 of the other syringe body 100, or open both liquid outlet pipes 102 at the same time, and then introduce the liquid medicine into the needle at the head of the transfer liquid storage barrel 211, so as to inject the liquid medicine in the two liquid outlet pipes 102 at the same time, without repeatedly inserting and pulling out the needle tube to inject different liquid medicines, and the operation is simpler, more efficient and convenient.

[0031] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A double mixing syringe, comprising two syringe bodies (100), characterized in that: Two syringe bodies (100) are fixed together via a connecting plate (101), and a regulating opening and closing mechanism (200) for controlling the opening and closing of the liquid outlet pipes (102) of the two syringe bodies (100) is provided at the lower part thereof, wherein the regulating opening and closing mechanism (200) comprises a regulating assembly (210) and a connecting assembly (220) for connecting the liquid outlet pipes (102) of the two syringe bodies (100) to the regulating assembly (210), wherein the regulating assembly (210) comprises a connecting assembly (220) for connecting the liquid outlet pipes (102) of the two syringe bodies (100) to the regulating assembly (210). 102) is connected to a transfer liquid storage barrel (211), the left and right sides of the upper part of the transfer liquid storage barrel (211) are respectively provided with through holes (212), an adjustment groove (213) is provided on the transfer liquid storage barrel (211) and located between the two through holes (212), a push-pull rod (214) is slidably arranged in the adjustment groove (213), a fixing plate (215) is arranged at the lower part of the push-pull rod (214), and sealing plates (216) are respectively arranged at the left and right sides of the upper part of the fixing plate (215).

2. The double mixing syringe according to claim 1, characterized in that: A slide rail (217) is provided on the upper part of the intermediate liquid storage barrel (211) and located outside the regulating groove (213). A slider (218) is slidably provided inside the slide rail (217). A mounting hole (219) matching the push-pull rod (214) is provided on the slider (218). The push-pull rod (214) passes through and is fixed inside the mounting hole (219).

3. The double mixing syringe according to claim 2, characterized in that: The upper portion of the push-pull rod (214) is provided with a gripping portion.

4. The double mixing syringe as claimed in claim 3, characterized in that: The connection assembly (220) comprises a connection plate (221) sleeved on the lower parts of the two liquid outlet pipes (102); a threaded pipe (222) is arranged at the lower part of the connection plate (221) and below the liquid outlet pipe (102); a nut (223) is threadedly connected to the outer side of the threaded pipe (222); the lower part of the threaded pipe (222) is arranged on the upper part of the intermediate transfer liquid storage barrel (211), and the threaded pipe (222) passes through the through hole (212).

5. The double mixing syringe according to claim 4, characterized in that: The outer side wall of the barrel of the syringe body (100) is provided with scale lines (105).

6. The double mixing syringe according to claim 2, characterized in that: A liquid injection port (103) is provided on the connection disk (101) and located on the axis of the cylinder of the syringe body (100), and a piston push rod (104) is arranged in the liquid injection port (103).

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