CN113908379A - Adrenaline injection pen - Google Patents
Adrenaline injection pen Download PDFInfo
- Publication number
- CN113908379A CN113908379A CN202110984768.7A CN202110984768A CN113908379A CN 113908379 A CN113908379 A CN 113908379A CN 202110984768 A CN202110984768 A CN 202110984768A CN 113908379 A CN113908379 A CN 113908379A
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- medicine
- double
- holding
- pencil
- needle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3295—Multiple needle devices, e.g. a plurality of needles arranged coaxially or in parallel
- A61M5/3297—Needles arranged coaxially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
- A61M2005/202—Having specific accessories cocking means, e.g. to bias the main drive spring of an injector
Abstract
The utility model discloses an epinephrine injection pen, which comprises a medicine tank structure, a holding connector and a double-ended needle part which are connected in a split mode, wherein the upper end and the lower end of the holding connector are respectively provided with a thread groove which is in threaded connection with the medicine tank structure and the double-ended needle part, the interior of the medicine tank structure is used for assisting in storing and pressurizing liquid medicine, the double-ended needle part is matched with the holding connector to generate displacement to penetrate into the interior of the medicine tank structure, the liquid medicine stored in the medicine tank structure is discharged through the double-ended needle part, and a medicine storage tool and the needle part are arranged in a separated installation structure, so that the medicine storage tool for storing various liquid medicines can be quickly disassembled and replaced, different first-aid effects are realized, the double-ended needle part can be disassembled, the cost for replacing the whole pen after pollution is saved, and the medicine tank and the needle part are not interfered with each other, the cost for the consumer to buy again is greatly saved.
Description
Technical Field
The utility model relates to the technical field of medical treatment, in particular to an epinephrine injection pen.
Background
Adrenalin is a vasoactive drug for resisting shock, is a first choice drug for rescuing patients with shock, can quickly relieve the clinical symptoms of the excessive shock and save the lives of the patients, and is also used for various anaphylactic reactions, such as I-type allergic reactions caused by food, drugs, pollen, dust, insect bite and the like.
Adrenaline is widely applied to various clinical rescues, a special adrenaline injector is usually adopted for injection, and the adrenaline injector is mainly used for shortening the administration time as much as possible and injecting in time, but the adrenaline injector is generally of an integrated structure and is mainly used for the injection of adrenaline, the application range is single, and the emergency requirements of different emergency injections cannot be realized;
in addition, the traditional medicine storage device of the epinephrine injector is a rubber soft bag, so that the service life is short, the medicine titer of the epinephrine water solution can be influenced to a certain extent, and the effectiveness of the product can be influenced without an auxiliary medicine storage kit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an epinephrine injection pen, and aims to solve the technical problem that different emergency injection first-aid requirements cannot be met by a traditional epinephrine injector in the prior art.
In order to solve the technical problems, the utility model specifically provides the following technical scheme:
the utility model provides an epinephrine injection pen, includes the medicinal cupping structure that adopts split type connection, grips connector and double-end needle portion, the upper and lower end of gripping the connector has seted up the thread groove respectively and is used for connecting the medicinal cupping structure with double-end needle portion, the inside of medicinal cupping structure is used for supplementary storage liquid medicine and its pressure boost, double-end needle portion through with grip the connector cooperation and produce the displacement puncture extremely the inside of medicinal cupping structure, and the liquid medicine of the inside storage of medicinal cupping structure from through the pressure boost double-end needle portion discharges.
As a preferable scheme of the present invention, the holding connector includes a holding outer cylinder, a holding connection sleeve, and a head protection cap, the holding connection sleeve is connected to a thread groove at the bottom end of the holding outer cylinder, and the head protection cap is movably disposed at a central portion of the holding connection sleeve and slides along an inner side of the holding outer cylinder;
the medicinal cupping structure include with grip the medicinal cupping sleeve pipe that urceolus upper end thread groove is connected, medicinal cupping sheathed tube inboard central point puts the stereoplasm pencil that is equipped with integrated into one piece and is used for storing the liquid medicine, medicinal cupping sheathed tube inboard central point puts and is equipped with the closure stereoplasm pencil bottom open-ended medicinal cupping seals the membrane, the top of stereoplasm pencil is equipped with seals its top opening and to the automatic charge's of its inside liquid medicine pencil booster mechanism.
As a preferable aspect of the present invention, the cartridge pressurization mechanism includes a cap fixedly connected to the cartridge sleeve and the top end of the hard cartridge, and a cartridge piston sliding up and down along the inner side of the hard cartridge and closing the drug solution, and an elastically supported drug pushing spring is provided between the cap and the cartridge piston, and the drug pushing spring together with the cartridge piston slides to the bottom end of the hard cartridge by releasing the elastic force completely.
As a preferable mode of the present invention, the head protection cap includes a head protection shell and a sterile protection film, an outer edge portion of a top end of the head protection shell abuts against the grip connection sleeve on an inner side of the grip outer cylinder, a through hole is formed in a center position of a bottom end of the head protection shell for the double-headed needle to pass through, the sterile protection film is used for covering the through hole of the bottom end of the head protection shell, and the sterile protection film is made of a rubber film material.
As a preferable scheme of the utility model, the double-ended needle part comprises an upper needle head, a double-ended needle part connection, a resistance spring and a lower needle head, the resistance spring is respectively and fixedly connected with the top end of the head protection shell and the inner wall of the thread groove at the bottom end of the holding outer cylinder, and the resistance spring is connected with the outer edge of the head protection shell to be abutted against the holding connection sleeve by releasing elastic force;
double-end needle portion connects fixed the setting and is in resistance spring's inboard central point, it sets up to go up the syringe needle the top of double-end needle portion connection is used for the puncture the medicinal cupping sealing membrane, the syringe needle setting is in down the bottom of double-end needle portion connection is used for the puncture aseptic protection film, down the syringe needle with go up the syringe needle intercommunication.
As a preferable scheme of the utility model, the medicine tank sealing film is made of a composite aluminum metal thin film material, and the strength of the medicine tank sealing film for sealing the opening at the bottom end of the hard medicine tube is greater than the pressure of the liquid medicine in the hard medicine tube.
In a preferred embodiment of the present invention, a functional filler is filled between the canister sleeve and the hard drug tube, the functional filler at least comprises a heat insulation cotton and a shock absorption cotton, the heat insulation cotton is attached to the outer side of the hard drug tube in a surrounding manner for heat insulation, and the shock absorption cotton is filled on the outer side of the heat insulation cotton for shock absorption.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the medicine storage tool and the needle part are designed into a structure of separate installation, so that the medicine storage tool for storing various different liquid medicines can be quickly disassembled and replaced, different first-aid effects are realized, the needle part can be disassembled, the cost for replacing the whole pen after pollution is saved, and the medicine tank and the needle part are not interfered with each other, so that the cost for purchasing the medicine by a consumer is greatly saved;
(2) the medicine storage tool pushed by the hard pipeline matched piston replaces a traditional rubber bag pipe, so that the reliability is higher, the medicine can be better stored, an auxiliary medicine storage kit can be additionally arranged, and the stability of the medicine is kept.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic view of the whole of the embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a medicine tank structure; 2-holding the connector; 3-a double-ended needle portion;
101-canister sleeve; 102-a hard cartridge; 103-sealing the medicine can; 104-a medicine tube pressurizing mechanism;
1041-a cap; 1042-cartridge piston; 1043-a drug pushing spring;
201-holding the outer cylinder; 202-holding the connecting sleeve; 203-head protection cap;
2031-protective head shell; 2032-sterile protective film;
301-needle mounting; 302-double needle portion connection; 303-a resistance spring; 304-lower needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the utility model provides an epinephrine injection pen, which comprises a medicine tank structure 1, a holding connector 2 and a double-ended needle part 3 which are connected in a split manner, wherein the upper end and the lower end of the holding connector 2 are respectively provided with a thread groove for connecting the medicine tank structure 1 and the double-ended needle part 3, the medicine tank structure 1 is internally used for assisting in storing medicine liquid and boosting the pressure of the medicine liquid, the double-ended needle part 3 is used for being penetrated into the medicine tank structure 1 by displacement generated by matching with the holding connector 2, and the medicine liquid stored in the medicine tank structure 1 is discharged from the double-ended needle part 3 by boosting the pressure.
The holding connector 2 comprises a holding outer cylinder 201, a holding connecting sleeve 202 and a head protecting cap 203, wherein the holding connecting sleeve 202 is connected with a thread groove at the bottom end of the holding outer cylinder 201, and the head protecting cap 203 is movably arranged at the central part of the holding connecting sleeve 202 and slides along the inner side of the holding outer cylinder 201;
the medicine tank structure 1 comprises a medicine tank sleeve 101 connected with a thread groove at the upper end of a holding outer cylinder 201, a hard medicine tube 102 which is integrally formed and used for storing medicine liquid is arranged at the inner side central position of the medicine tank sleeve 101, a medicine tank sealing film 103 for sealing the bottom end opening of the hard medicine tube 102 is arranged at the inner side central position of the medicine tank sleeve 101, and a medicine tube pressurizing mechanism 104 for sealing the top end opening of the hard medicine tube 102 and automatically pressurizing the medicine liquid in the medicine tank pressurizing mechanism is arranged at the top end of the hard medicine tube 102.
The cartridge pressurization mechanism 104 comprises a cap 1041 fixedly connected with the top ends of the cartridge sleeve 101 and the hard cartridge 102, and a cartridge piston 1042 sliding up and down along the inner side of the hard cartridge 102 and sealing the liquid medicine, an elastically supported drug pushing spring 1043 is arranged between the cap 1041 and the cartridge piston 1042, and the drug pushing spring 1043 together with the cartridge piston 1042 slides to the bottom end of the hard cartridge 102 by completely releasing the elastic force.
The head protection cap 203 includes a head protection shell 2031 and an aseptic protection film 2032, an outer edge portion of a top end of the head protection shell 2031 abuts against the holding connection sleeve 202 on an inner side of the holding outer cylinder 201, a bottom center position of the head protection shell 2031 is provided with a through hole for the double-headed needle portion 3 to pass through, the aseptic protection film 2032 is used for covering the bottom through hole of the head protection shell 2031, and the aseptic protection film 2032 is made of a rubber film material.
The double-ended needle part 3 comprises an upper needle 301, a double-ended needle part connection 302, a resistance spring 303 and a lower needle 304, the resistance spring 303 is fixedly connected with the top end of the head protection shell 2031 and the inner wall of a thread groove at the bottom end of the holding outer cylinder 201 respectively, and the resistance spring 303 is connected with the outer edge of the head protection shell 2031 through releasing elastic force and is abutted against the holding connection sleeve 202;
the double-headed needle part connection 302 is fixedly arranged at the inner center part of the resistance spring 303, the upper needle 301 is arranged at the top end of the double-headed needle part connection 302 and is used for puncturing the medicine can sealing film 103, the lower needle 304 is arranged at the bottom end of the double-headed needle part connection 302 and is used for puncturing the sterile protection film 2032, and the lower needle 304 is communicated with the upper needle 301.
The medicine tank sealing film 103 is made of composite aluminum metal thin film material, and the strength of the medicine tank sealing film 103 for sealing the opening at the bottom end of the hard medicine tube 102 is greater than the pressure of the liquid medicine in the hard medicine tube 102.
Functional filler is filled between the medicine tank sleeve 101 and the hard medicine tube 102, the functional filler at least comprises heat insulation cotton and shock absorption cotton, the heat insulation cotton is used for insulating temperature by surrounding the outer side attached to the hard medicine tube 102, and the shock absorption cotton is used for being filled in the outer side of the heat insulation cotton for shock absorption.
Before use, the medicine tank structure 1 for storing corresponding medicine liquid is selected according to requirements and is installed in a threaded groove at the top end of the holding connector 2, the medicine pushing spring 1043 of the medicine pipe pressurizing mechanism 104 releases elasticity, the medicine pipe piston 1042 is pushed to slide downwards along the hard medicine pipe 102 in a connected mode, the medicine liquid stored inside the hard medicine pipe 102 is pressurized through the elastic sliding of the medicine pipe piston 1042, therefore, after the medicine liquid flows out after the medicine tank sealing film 103 is punctured, the medicine pushing spring 1043 between the cap 1041 and the medicine pipe piston 1042 is continuously released, the medicine pipe piston 1042 is continuously lowered along the inside of the hard medicine pipe 102 until the medicine liquid is abutted against the bottom end of the hard medicine pipe 102, and at the moment, the medicine liquid stored inside the hard medicine pipe 102 is completely discharged.
After selecting the corresponding medicine can structure 1, screwing the medicine can sleeve 101 into the thread groove at the upper end of the holding outer cylinder 201 of the holding connector 2, so that the medicine can structure 1, the holding connector 2 and the double-ended needle part 3 form an integral structure, and when in use, pushing the head protection cap 203 of the holding connector 2 into the holding connecting sleeve 202, so that the top end of the head protection shell 2031 presses the resistance spring 303, in the process, the bottom end of the double-ended needle part connection 302 which is arranged in a suspended state in the resistance spring 303 approaches the head protection shell 2031, the top end of the double-ended needle part connection 302 approaches the direction of the medicine can structure 1, when the bottom end of the double-ended needle part connection 302 contacts the top end of the head protection shell 2031, the lower needle 304 connected with the bottom end of the double-ended needle part connection 302 pierces the sterile protection film 2032 and extends to the outer side of the head protection cap 203, and moves towards the inside of the holding connecting sleeve 202 with the head protection shell 2031 continuously, the upper needle 301 arranged at the top end of the double-head needle part connecting 302 pierces the medicine can sealing film 103 and extends to the inside of the hard medicine tube 102, at the moment, the medicine liquid in the hard medicine tube 102 can be discharged through the upper needle 301 and the lower needle 304, and at the moment, the injection can be carried out by using the lower needle 304 of the double-head needle part 3.
Moreover, according to the use requirement, when other liquid medicines need to be injected urgently, the lower needle 304 penetrating into the vein can be kept not to be separated by fixedly holding the connector 2 by one hand, the other hand applies torsion to the cap 1041 of the medicine tube pressurizing mechanism 104 until the medicine tank structure 1 after injection is taken out, and the other medicine tank structure 1 storing the corresponding liquid medicine is taken out and screwed into the top end thread groove of the holding connector 2 again, and in the process of complete screwing, the upward needle part of the double-headed needle part 3 penetrates into the medicine tank structure 1, and the liquid medicine is automatically injected continuously through the double-headed needle part 3 under the action of the medicine tube pressurizing mechanism 104 of the medicine tank structure 1;
the utility model sets the medicine storage tools and the needle part into a separated installation structure, so that a plurality of medicine storage tools which store the medicine liquid without use can be quickly disassembled and replaced, thereby realizing different first-aid effects, and the needle part can be disassembled, thus saving the cost of replacing the whole pen after being polluted;
the medicine storage tool pushed by the hard pipeline matched piston replaces a traditional rubber bag pipe, so that the reliability is higher, the medicine can be better stored, an auxiliary medicine storage kit can be additionally arranged, and the stability of the medicine is kept.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (7)
1. The utility model provides an epinephrine injection pen, includes medicine jar structure (1), the connector (2) and double-end needle portion (3) of gripping that adopt split type to connect, its characterized in that: grip the upper and lower end of connector (2) and seted up the thread groove respectively and be used for connecting medicinal cupping structure (1) with double-end needle portion (3), the inside of medicinal cupping structure (1) is used for supplementary storage liquid medicine and its pressure boost, double-end needle portion (3) through with grip connector (2) cooperation production displacement puncture extremely the inside of medicinal cupping structure (1), and the liquid medicine of medicinal cupping structure (1) inside storage is from through the pressure boost double-end needle portion (3) are discharged.
2. An epinephrine injection pen according to claim 1, wherein: the holding connector (2) comprises a holding outer cylinder (201), a holding connecting sleeve (202) and a head protecting cap (203), the holding connecting sleeve (202) is connected with a thread groove at the bottom end of the holding outer cylinder (201), and the head protecting cap (203) is movably arranged at the central part of the holding connecting sleeve (202) and slides along the inner side of the holding outer cylinder (201);
medicinal cupping structure (1) include with medicinal cupping sleeve pipe (101) that urceolus (201) upper end thread groove is connected grips, the inboard central point of medicinal cupping sleeve pipe (101) puts stereoplasm pencil (102) that are equipped with integrated into one piece and are used for storing the liquid medicine, the inboard central point of medicinal cupping sleeve pipe (101) puts and is equipped with the closure stereoplasm pencil (102) bottom open-ended medicinal cupping seals membrane (103), the top of stereoplasm pencil (102) is equipped with seals its top opening and to the pencil booster mechanism (104) of its inside liquid medicine automatic pressurization.
3. An epinephrine injection pen according to claim 2, wherein: the pencil booster mechanism (104) include with medicinal cupping sleeve pipe (101) with pencil (102) top fixed connection's cap (1041), and follow pencil piston (1042) of gliding and sealing the liquid medicine from top to bottom stereoplasm pencil (102) inboard, cap (1041) with be equipped with elastic support between pencil piston (1042) and push away medicine spring (1043), push away medicine spring (1043) through releasing elasticity altogether the pencil piston (1042) slide extremely the bottom of stereoplasm pencil (102).
4. An epinephrine injection pen according to claim 2, wherein: the head protection cap (203) comprises a head protection shell (2031) and an aseptic protection film (2032), the outer edge part of the top end of the head protection shell (2031) is arranged on the inner side of the holding outer cylinder (201) and abutted to the holding connection sleeve (202), a through hole is formed in the bottom center position of the head protection shell (2031) for the double-headed needle part (3) to pass through, the aseptic protection film (2032) is used for covering the bottom through hole of the head protection shell (2031), and the aseptic protection film (2032) is made of a rubber film material.
5. An epinephrine injection pen according to claim 5, wherein: the double-headed needle part (3) comprises an upper needle head (301), a double-headed needle part connection (302), a resistance spring (303) and a lower needle head (304), the resistance spring (303) is fixedly connected with the top end of the head protection shell (2031) and the inner wall of a thread groove at the bottom end of the holding outer cylinder (201) respectively, and the resistance spring (303) is connected with the outer edge of the head protection shell (2031) to be abutted against the holding connecting sleeve (202) through releasing elastic force;
double-end needle portion connects (302) fixed the setting and is in the inboard central point of resistance spring (303), it sets up to go up syringe needle (301) the top of double-end needle portion connects (302) and is used for the puncture medicinal cupping sealing membrane (103), syringe needle (304) set up down the bottom of double-end needle portion connects (302) and is used for the puncture aseptic protection film (2032), syringe needle (304) down with go up syringe needle (301) intercommunication.
6. An epinephrine injection pen according to claim 2, wherein: the medicine tank sealing film (103) is made of a composite aluminum metal thin film material, and the strength of the medicine tank sealing film (103) for sealing the opening at the bottom end of the hard medicine tube (102) is greater than the pressure of the liquid medicine in the hard medicine tube (102).
7. An epinephrine injection pen according to claim 2, wherein: the utility model discloses a medicine pot, including the medicine jar sleeve pipe (101) and the rigid cartridge (102) between fill have functional filler, functional filler is at least including thermal-insulated cotton and shock attenuation cotton, thermal-insulated cotton through encircle the laminating in the outside of rigid cartridge (102) is used for keeping apart the temperature, the shock attenuation cotton is used for filling the outside of thermal-insulated cotton is used for the shock attenuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984768.7A CN113908379B (en) | 2021-08-24 | 2021-08-24 | Epinephrine injection pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984768.7A CN113908379B (en) | 2021-08-24 | 2021-08-24 | Epinephrine injection pen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113908379A true CN113908379A (en) | 2022-01-11 |
| CN113908379B CN113908379B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110984768.7A Active CN113908379B (en) | 2021-08-24 | 2021-08-24 | Epinephrine injection pen |
Country Status (1)
| Country | Link |
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| CN (1) | CN113908379B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027040A1 (en) * | 2022-08-05 | 2024-02-08 | 王鹏 | Medicine canister with dispensing needle |
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| CN113908379B (en) | 2023-10-17 |
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