A method for matching and using a liquid medicine transfer cylinder and a vial

Abstract

The present invention discloses a drug liquid transfer cylinder, which belongs to the field of medical device technology. The drug liquid transfer cylinder includes a cylinder body, a first puncture needle, a second puncture needle and a push rod, wherein a placement opening is opened on the cylinder wall of the cylinder body near the top thereof; the first puncture needle and the second puncture needle are both fixedly arranged on the top of the cylinder body; the present invention also discloses a new type of syringe bottle, including a bottle body with a bottom opening, a bottle cap and a piston, the piston seal is arranged at the opening at the bottom of the bottle body; the push rod is slidably arranged in the cylinder body. The drug liquid transfer cylinder provided by the present invention is used in conjunction with a new type of syringe bottle, and only one puncture operation is required to achieve two puncture actions, which can avoid repeated punctures by the injection needle to dissolve and transfer the drug, resulting in the needle being exposed to the air many times, thereby causing contamination to the drug liquid; and it can avoid the problem that the needle will bring out the drug liquid during repeated punctures, which poses certain occupational hazards to medical staff, thereby ensuring the safety of infusion.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a matching use method of a liquid medicine transfer cylinder and a vial. Background Art

[0002] The drug liquid transfer device uses gravity and aerodynamic principles to transfer different drugs, realize drug dissolution before infusion, drug preparation or combined infusion of multiple dosage forms of drugs, etc.

[0003] The current drug transfer device generally requires the following procedures when in use: use a syringe to extract the solvent and inject it into the vial containing the drug powder, and then extract the solution and transfer it to the infusion bottle after the powder in the vial is dissolved. During this process, the injection needle needs to be punctured repeatedly to dissolve and transfer the drug. The needle is exposed to the air many times, which can easily cause contamination to the drug solution. During the repeated puncture process, the needle will bring out the drug solution, which poses certain occupational hazards to medical staff. Summary of the invention

[0004] The purpose of the present invention is to provide a method for using a medicine liquid transfer cylinder and a syringe bottle in combination, so as to solve the problem that when the current medicine liquid transfer device is used, the injection needle needs to be punctured repeatedly to dissolve and transfer the medicine, and the needle is exposed to the air many times, which is easy to cause contamination to the medicine liquid; during the repeated puncture process, the needle will bring out the medicine liquid, which poses certain occupational hazards to medical staff.

[0005] In order to solve the above technical problems, the present invention provides a liquid medicine transfer cylinder, the liquid medicine transfer cylinder comprising: a cylinder body;

[0006] The first puncture needle and the second puncture needle are respectively fixedly arranged on the inner side and the outer side of the top of the cylinder;

[0007] A push rod, slidably disposed in the cylinder;

[0008] A placement opening is provided on the cylinder wall of the cylinder body near the top thereof.

[0009] Optionally, a support cylinder is slidably provided in the cylinder body, the top end of the push rod passes through the support cylinder, and the push rod can slide relative to the support cylinder therein.

[0010] Optionally, a finger push plate is provided on the outer side of the bottom of the support tube.

[0011] Optionally, a finger-pushing plate is provided on the outer side of the bottom of the cylinder, and openings are provided on both sides of the finger-pushing plate to facilitate pulling out the finger-pushing plate.

[0012] Optionally, the top of the cylinder is detachably and fixedly connected to a puncture needle connector, and the first puncture needle and the second puncture needle are respectively fixedly connected to two ends of the puncture needle connector; a liquid flow channel is opened in the puncture needle connector to connect the first puncture needle and the second puncture needle.

[0013] Optionally, a nozzle is provided on the top of the puncture needle connector, and the second puncture needle is fixedly connected to the nozzle.

[0014] Optionally, the top of the cylinder is provided with an internal thread, the outer side of the puncture needle connector is provided with an external thread, and the puncture needle connector is fixedly connected to the cylinder via threads.

[0015] Optionally, clamping blocks are provided on both sides of the placement opening.

[0016] Optionally, the outside of the clamping block is covered with a protective cover to avoid scratching the palm.

[0017] The present invention also provides a vial for use with the drug liquid transfer cylinder to achieve drug liquid transfer, the vial comprising a bottle body with an opening at the bottom, a bottle cap and a piston, wherein the piston is sealed at the opening at the bottom of the bottle body, and the piston can slide relative to the bottle body.

[0018] The drug liquid transfer cylinder and the syringe bottle provided by the present invention, when used in combination, only need one puncture operation to achieve two puncture actions, which can avoid repeated punctures by the injection needle to dissolve and transfer the drug, resulting in the needle being exposed to the air multiple times, thereby causing contamination of the drug liquid; and can avoid the problem that the needle will bring out the drug liquid during repeated punctures, which will cause certain occupational hazards to medical staff, thereby ensuring the safety of infusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a liquid medicine transfer cylinder provided by the present invention; Figure 2 It is a schematic diagram of the internal structure of a liquid medicine transfer cylinder provided by the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of a vial;

[0021] Figure 4 The present invention is a diagram showing the use status of a liquid medicine transfer cylinder provided by the present invention. DETAILED DESCRIPTION

[0022] The following is a further detailed description of a liquid medicine transfer cylinder and a syringe bottle proposed by the present invention in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the accompanying drawings are in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. Example

[0023] The present invention provides a liquid medicine transfer cylinder, the structure of which is as follows: Figure 1 The liquid medicine transfer cylinder comprises a cylinder body 3, a first puncture needle 1, a second puncture needle 2 and a push rod 5, wherein a placement opening 30 is opened on the cylinder wall of the cylinder body 3 near the top thereof; the first puncture needle 1 and the second puncture needle 2 are fixedly arranged on the inner side and the outer side of the top of the cylinder body 3 respectively; the push rod 5 is slidably arranged in the cylinder body 3.

[0024] Specifically, a support tube 6 is slidably provided in the cylinder body 3 , the top end of the push rod 5 passes through the support tube 6 , and the push rod 5 can slide relative to the support tube 6 therein.

[0025] A finger push plate 60 is provided on the outer side of the bottom of the support tube 6. A finger pressure plate 31 is provided on the outer side of the bottom of the cylinder body 3, and openings 32 are provided on both sides of the finger pressure plate 31 to facilitate the extraction of the finger push plate 60.

[0026] Please refer to Figure 2 The top of the cylinder 3 is detachably and fixedly connected with a puncture needle connector 7, and the first puncture needle 1 and the second puncture needle 2 are respectively fixedly connected to the two ends of the puncture needle connector 7; a liquid flow channel 70 is opened in the puncture needle connector 7 to connect the first puncture needle 1 and the second puncture needle 2.

[0027] A nozzle 71 is provided at the top of the puncture needle connector 7, and the second puncture needle 2 is fixedly connected to the nozzle 71. The nozzle 71 and the second puncture needle 2 can be connected by snapping or threading.

[0028] The top of the barrel 3 is provided with an internal thread, and the outer side of the puncture needle connector 7 is provided with an external thread. The puncture needle connector 7 is fixedly connected to the barrel 3 via threads, so that the puncture needle connector 7 is easy to disassemble.

[0029] Both sides of the placement opening 30 are provided with clamping blocks 33. The outsides of the clamping blocks 33 are covered with protective covers 34 to avoid scratching the palm.

[0030] Please refer to Figure 3The present invention also provides a vial for use with the drug liquid transfer cylinder to achieve drug liquid transfer, the vial 4 includes a bottle body 40 with an opening at the bottom, a bottle cap 41 and a piston 42, wherein the piston 42 is sealed at the opening at the bottom of the bottle body 40, and the piston 42 can slide relative to the bottle body 40, preferably, the bottle cap 41 and the piston 42 are made of rubber.

[0031] The method for using the liquid medicine transfer cylinder and the vial together comprises the following steps: placing the first vial containing the solvent into the cylinder body 3 from the placement port 30, puncturing the second vial containing the solute with the second puncture needle 2, please refer to Figure 4 ; Push the finger push plate 60, push the first vial to the top of the cylinder 3 through the support tube 6, place the first vial in place, continue to push the finger push plate 60, make the first puncture needle 1 penetrate from the bottle cap 41 of the first vial, push the push rod 5, the push rod 5 pushes the piston 42, injects the solvent in the first vial into the second vial, takes out the first vial and the second vial; after the solvent and solute in the second vial are evenly mixed, load the second vial into the cylinder 3 from the placement port 30, push the support tube 6 and the push rod 5 in turn, inject the liquid medicine in the vial 4b into the infusion bottle.

[0032] The present invention provides a liquid medicine transfer cylinder and a syringe bottle for use together. Only one puncture operation is required to achieve two puncture actions, which reduces the number of puncture operations and saves time; it can avoid repeated punctures by the injection needle to dissolve and transfer the drug, resulting in the needle being exposed to the air multiple times, thereby contaminating the liquid medicine; and it can avoid the problem that the needle will bring out the liquid medicine during repeated punctures, which poses certain occupational hazards to medical staff, thereby ensuring the safety of infusion. In some extremely extreme medical conditions (such as war, large-scale disasters, emergency rescue in mountainous areas, etc.), the syringe bottle can be used in a simple combination with the puncture needle part.

[0033] The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A method for using a liquid medicine transfer cylinder and a vial together to achieve liquid medicine transfer, characterized in that: The liquid medicine transfer cartridge includes: Cylinder (3); The first puncture needle (1) and the second puncture needle (2) are respectively fixedly arranged on the inner side and the outer side of the top of the cylinder (3); A push rod (5) slidably disposed in the cylinder (3); The cylinder (3) has a placement opening (30) on the cylinder wall near the top thereof; A support tube (6) is slidably disposed in the cylinder body (3), the top end of the push rod (5) passes through the support tube (6), and the push rod (5) can slide relative to the support tube (6) in the support tube; A finger push plate (60) is provided on the outer side of the bottom of the support tube (6); A finger-pressing plate (31) is provided on the outer side of the bottom of the cylinder (3), and openings (32) are provided on both sides of the finger-pressing plate (31) to facilitate the extraction of the finger-pushing plate (60); The top of the barrel (3) is detachably and fixedly connected with a puncture needle connector (7), and the first puncture needle (1) and the second puncture needle (2) are respectively and fixedly connected to the two ends of the puncture needle connector (7); a liquid flow channel (70) is provided in the puncture needle connector (7) to connect the first puncture needle (1) and the second puncture needle (2); A nozzle (71) is provided at the top of the puncture needle connector (7), and the second puncture needle (2) is fixedly connected to the nozzle (71); The top of the barrel (3) is provided with an internal thread, the outer side of the puncture needle connector (7) is provided with an external thread, and the puncture needle connector (7) is fixedly connected to the barrel (3) via threads; Clamping blocks (33) are provided on both sides of the placement opening (30); The outside of the clamping blocks (33) are all covered with protective covers (34) to prevent scratches on the palms; The vial (4) comprises a bottle body (40) with an opening at the bottom, a bottle cap (41) and a piston (42), wherein the piston (42) is sealingly arranged at the opening at the bottom of the bottle body (40), and the piston (42) is able to slide relative to the bottle body (40); The method for using the liquid medicine transfer cylinder and the vial together comprises the following steps: The first vial containing the solvent is loaded into the barrel (3) from the placement opening (30), the second vial containing the solute is punctured with the second puncture needle (2), the finger push plate (60) is pushed, and the first vial is pushed to the top of the barrel (3) through the support cylinder (6), so that the first vial is placed in place, the finger push plate (60) is continued to be pushed, so that the first puncture needle (1) is inserted from the bottle cap (41) of the first vial, and the push rod (5) is pushed, and the push rod (5) pushes the piston (42), so that the solvent in the first vial is injected into the second vial, and the first vial and the second vial are taken out; after the solvent and the solute in the second vial are evenly mixed, the second vial is loaded into the barrel (3) from the placement opening (30), and the support cylinder (6) and the push rod (5) are pushed in sequence to inject the liquid in the second vial into the infusion bottle.

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