CN113018579B - Medicine storage mechanism and insulin injection syringe with same - Google Patents

Medicine storage mechanism and insulin injection syringe with same Download PDF

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Publication number
CN113018579B
CN113018579B CN202110312934.9A CN202110312934A CN113018579B CN 113018579 B CN113018579 B CN 113018579B CN 202110312934 A CN202110312934 A CN 202110312934A CN 113018579 B CN113018579 B CN 113018579B
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China
Prior art keywords
positioning
medicine storage
positioning rod
hole
blind hole
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CN202110312934.9A
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Chinese (zh)
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CN113018579A (en
Inventor
尹倩倩
潘天荣
杜益君
钟兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Second Affiliated Hospital of Anhui Medical University
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Second Affiliated Hospital of Anhui Medical University
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Priority to CN202110312934.9A priority Critical patent/CN113018579B/en
Publication of CN113018579A publication Critical patent/CN113018579A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14212Pumping with an aspiration and an expulsion action
    • A61M5/14216Reciprocating piston type
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14212Pumping with an aspiration and an expulsion action
    • A61M5/1424Manually operated pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod

Abstract

The invention relates to the technical field of insulin pumps, in particular to a medicine storage mechanism and an insulin injection syringe with the same. The medicine storage device comprises a medicine storage cylinder, wherein a medicine storage cavity is formed in the medicine storage cylinder and is used for storing medicine liquid; a hose connecting part for connecting a transfusion hose is formed at one end of the medicine storage barrel, and an opening is formed at the other end of the medicine storage cavity; a piston is arranged in the medicine storage cavity and used for sealing the medicine storage cavity; the storage cartridge case periphery interval is equipped with first locating lever, second locating lever and third locating lever, and the middle part of first locating lever and second locating lever is equipped with respectively and is used for first mating holes and the second mating holes with third locating lever complex. According to the invention, the first positioning rod, the second positioning rod and the third positioning rod can be constructed into the push rod assembly for pushing the piston, so that the medicine storage mechanism can have a function of being independently used as an injector, and the medicine storage mechanism is better convenient to use.

Description

Medicine storage mechanism and insulin injection syringe with same
Technical Field
The invention relates to the technical field of insulin pumps, in particular to a medicine storage mechanism and an insulin injection syringe with the same.
Background
Diabetes is a group of metabolic diseases characterized by hyperglycemia. So far, the patients can not be completely cured, continuous insulin subcutaneous infusion method is tried in 60 s as early as 20 th century, and a mechanical insulin infusion device, namely an insulin pump prototype, is used in the end of 70 s, but the clinical popularization is difficult due to large volume and complex operation. Can imitate human insulin secretion law through adopting the insulin pump better, and then can reach the effect of preferred in the aspect of controlling blood sugar. The application provides a technical scheme of new technique medicine storage mechanism, and it can overcome certain or some defect of prior art and the medicine storage mechanism structure of current insulin pump is comparatively single, and it can't deal with the situation such as insulin pump unable normal work better to can be convenient for use better.
Disclosure of Invention
The present invention provides a drug storage mechanism that overcomes some or all of the disadvantages of the prior art.
The medicine storage mechanism comprises a medicine storage barrel, wherein a medicine storage cavity is formed inside the medicine storage barrel and is used for storing medicine liquid; a hose connecting part for connecting a transfusion hose is formed at one end of the medicine storage barrel, and an opening is formed at the other end of the medicine storage cavity; a piston is arranged in the medicine storage cavity and used for sealing the medicine storage cavity;
the first positioning flange, the second positioning flange and the third positioning flange are arranged on the periphery of the medicine storage cylinder at intervals and are axially distributed along the medicine storage cylinder;
a first positioning blind hole, a second positioning blind hole and a third positioning blind hole are respectively arranged in the first positioning flange, the second positioning flange and the third positioning flange, the openings of the first positioning blind hole and the second positioning blind hole face to one end of the cartridge case, and the opening of the third positioning blind hole faces to the other end of the cartridge case; a first positioning rod, a second positioning rod and a third positioning rod are slidably arranged in the first positioning blind hole, the second positioning blind hole and the third positioning blind hole respectively;
a stepped hole is formed at the other end of the medicine storage barrel, the lengths of the first positioning rod and the second positioning rod are not lower than the inner diameter of the medicine storage cavity and not higher than the inner diameter of the stepped hole, and the length of the third positioning rod is larger than the depth of the medicine storage cavity; the middle parts of the first positioning rod and the second positioning rod are respectively provided with a first matching hole and a second matching hole which are used for matching with the third positioning rod.
In the invention, the first positioning rod, the second positioning rod and the third positioning rod are constructed, so that a positioning function can be better provided when the positioning rod is matched with an insulin pump. More importantly, the first positioning rod, the second positioning rod and the third positioning rod can be constructed into a push rod assembly for pushing the piston, so that the medicine storage mechanism can have the function of being independently used as an injector, the use can be better facilitated, and especially when the insulin pump cannot work normally, the insulin pump can be used for better injecting the insulin manually.
Preferably, the first matching hole is in sliding fit with the third positioning rod, and the second matching hole is a blind hole and is in threaded fit or clearance fit with the third positioning rod. Therefore, the first positioning rod can be better arranged in the step hole, and the third positioning rod can penetrate through the first matching hole to realize stable pushing of the piston; the second positioning rod can be arranged at the end part of the third positioning rod, so that the operation of a user can be better facilitated.
Preferably, the first engagement hole is threadedly engaged with the third positioning rod. Thereby the pushing of the piston can be realized through the mode of rotating the third locating lever better.
Preferably, the second matching hole is a blind hole and is in threaded fit with the third positioning rod. This provides the second positioning rod with the function of providing a moment.
Preferably, the second fitting hole is a through hole and is circumferentially fixed and axially slidably fitted with the third positioning rod. Thereby the second positioning rod can be sleeved on the third positioning rod, and the user can conveniently rotate the third positioning rod.
Preferably, the cross sections of the third positioning rod and the second matching hole are oblate. Thereby can realize the fixed cooperation of circumference of third locating lever and second mating holes better.
Preferably, the end face of the other end of the cartridge is provided with a scale along the circumferential direction. Thereby can realize the more accurate control to injection dosage through reading the turned angle of second locating lever better.
Preferably, the outer end face of the piston is provided with a piston matching blind hole for rotatably matching with the end part of the third positioning rod. So that the cooperation of the third positioning rod and the piston can be better facilitated.
Preferably, the bottom wall of the stepped hole is provided with a first positioning rod clamping groove used for being matched with two ends of the first positioning rod. So that the first positioning rod can be preferably fixed.
The invention also provides an insulin injection syringe which comprises any one of the medicine storage mechanisms. Thus being convenient for use.
Drawings
Fig. 1 is an exploded schematic view of a drug storage mechanism in example 1;
FIG. 2 is an exploded view from another perspective of the drug storage mechanism of example 1;
FIG. 3 is a schematic view of the syringe assembled with the medicine storage mechanism in example 1;
fig. 4 is a schematic view of the pump body in embodiment 1;
fig. 5 is an exploded view of the pump body in embodiment 1.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
Referring to fig. 1, 2 and 3, the present embodiment provides a drug storage mechanism for an insulin pump, the drug storage mechanism 240 includes a drug storage cylinder 1310, a drug storage cavity 1410 is formed inside the drug storage cylinder 1310, and the drug storage cavity 1410 is used for storing drug liquid; a cartridge 1310 having a hose connection part 1311 formed at one end thereof for connecting an infusion hose, and a drug storage chamber 1410 formed at the other end of the cartridge 1310 to be opened; a piston 1320 is arranged in the medicine storage cavity 1410, and the piston 1320 is used for sealing the medicine storage cavity 1410;
the cartridge 1310 is spaced at intervals by a first positioning flange 1331, a second positioning flange 1332 and a third positioning flange 1333, the first positioning flange 1331, the second positioning flange 1332 and the third positioning flange 1333 are axially distributed along the cartridge 1310;
a first positioning blind hole 1331a, a second positioning blind hole 1332a and a third positioning blind hole 1420 are respectively arranged in the first positioning flange 1331, the second positioning flange 1332 and the third positioning flange 1333, the openings of the first positioning blind hole 1331a and the second positioning blind hole 1332a face to one end of the cartridge 1310, and the opening of the third positioning blind hole 1420 faces to the other end of the cartridge 1310; a first positioning rod 1341, a second positioning rod 1342 and a third positioning rod 1343 are slidably arranged in the first positioning blind hole 1331a, the second positioning blind hole 1332a and the third positioning blind hole 1420 respectively;
a stepped hole 1430 is formed at the other end of the medicine storage cylinder 1310, the lengths of the first locating rod 1341 and the second locating rod 1342 are not less than the inner diameter of the medicine storage cavity 1410 and not more than the inner diameter of the stepped hole 1430, and the length of the third locating rod 1343 is greater than the depth of the medicine storage cavity 1410; the middle portions of the first positioning rod 1341 and the second positioning rod 1342 are respectively provided with a first fitting hole 1341a and a second fitting hole 1342a for fitting with the third positioning rod 1343.
In this embodiment, the first positioning rod 1341, the second positioning rod 1342 and the third positioning rod 1343 are configured to provide a positioning function when they are engaged with an insulin pump. More importantly, the first positioning rod 1341, the second positioning rod 1342 and the third positioning rod 1343 can be constructed as a push rod assembly for pushing the piston 1320, so that the drug storage mechanism 240 can have a function of being used as an injector alone, thereby being convenient to use, and especially when the insulin pump cannot work normally, insulin injection can be performed manually.
In another embodiment different from the present embodiment, the first fitting hole 1341a is slidably fitted with the third positioning rod 1343, and the second fitting hole 1342a is a blind hole and is screw-fitted or clearance-fitted with the third positioning rod 1343. Therefore, the first positioning rod 1341 can be preferably disposed in the stepped hole 1430, and the third positioning rod 1343 can pass through the first fitting hole 1341a to stably push the piston 1320; the second positioning rod 1342 can be disposed at an end of the third positioning rod 1343, thereby facilitating the operation of the user.
In this embodiment, the first engagement hole 1341a and the third positioning rod 1343 may be screw-engaged. Pushing of the piston 1320 can thus be achieved, preferably by rotating the third locating rod 1343.
In this embodiment, the second fitting hole 1342a is a through hole and is circumferentially fixed and axially slidably fitted with the third positioning rod 1343. So that the second positioning rod 1342 can be sleeved on the third positioning rod 1343, and the third positioning rod 1343 can be rotated by a user.
In another embodiment different from the present embodiment, the second engagement hole 1342a can be a blind hole and threadedly engaged with the third positioning rod 1343. This allows second locating bar 1342 to provide only torque.
In this embodiment, the cross sections of the third positioning rod 1343 and the second fitting hole 1342a are oblate. So that the circumferential fixed engagement of the third positioning rod 1343 with the second engagement hole 1342a can be preferably achieved.
In this embodiment, the other end of the cartridge 1310 is provided with a circumferential scale on the end surface. So that a more precise control of the injection dose can be achieved, preferably by reading the rotation angle of the second positioning rod 1342.
In this embodiment, a piston-engaging blind hole 1440 is formed on the outer end surface of the piston 1320 for rotatably engaging with the end of the third positioning rod 1343. So that the engagement of the third locating rod 1343 with the piston 1320 can be preferably facilitated.
In this embodiment, the bottom wall of the stepped hole 1430 is provided with a first positioning rod slot 1431 for engaging with two ends of the first positioning rod 1341. So that the first positioning rod 1341 can be preferably formed to be fixed.
In this embodiment, the fourth chamber 224 is provided with a drug storage mechanism mounting seat 260, a drug storage cylinder accommodating cavity 261 for accommodating a drug storage cylinder 1310 is formed at the mounting seat 260, a spring mounting hole 262 is formed at one end of the drug storage cylinder accommodating cavity 261, and a compression spring which can extend into the drug storage cavity 1410 and compress the piston 1320 is arranged in the spring mounting hole 262, so that the piston 1320 can be better kept to compress the drug solution, thereby facilitating drug feeding.
In addition, the other end of the cartridge receiving chamber 261 is formed with a coupling part receiving groove 263 for receiving the hose coupling part 1311, so that the placement of the cartridge 1310 can be preferably facilitated.
In addition, the both ends lateral wall department that storage cylinder held chamber 261 all is equipped with and is used for the location blind hole with first locating lever 1341, second locating lever 1342 and the cooperation of third locating lever 1343 to can realize the location to storage cylinder 1310 better.
Wherein, the tip of first locating lever 1341 and second locating lever 1342 all designs into circular-arcly, and first locating lever 1341 and second locating lever 1342 pass through the setting that the spring can contract completely, and the degree of depth of the location blind hole that corresponds with first locating lever 1341 and second locating lever 1342 is not more than the length of first locating lever 1341 and second locating lever 1342 tip circular arc section, so can be convenient for to the installation and the dismantlement of storage cartridge case 1310 better.
In this embodiment, when the injector is separately constructed by the medicine storage mechanism 240 for injection, the following steps are performed:
1. the first positioning rod 1341, the second positioning rod 1342, and the third positioning rod 1343 are taken out;
2. the first positioning rod 1341 is clamped into the first positioning rod clamping groove 1431;
3. the third positioning rod 1343 is screwed into the first mating hole 1341a until the corresponding end of the first positioning rod 1341 reaches the piston mating blind hole 1440;
4. a second positioning rod 1342 is inserted into the third positioning rod 1343 through a second fitting hole 1342 a;
5. the movement of the piston 1320 is achieved by directly pulling the third positioning rod 1343 or pulling the third positioning rod 1343 by the second positioning rod 1342;
6. control of the bolus dose is achieved by reading the scale at the reservoir cartridge 1310.
Example 2
Referring to fig. 4 and 5, the present embodiment provides an insulin injection syringe including the drug storage mechanism 240 of embodiment 1.
The syringe for insulin injection in the present embodiment includes a pump body 100, the pump body 100 including an upper housing 110, a lower housing 120, and a cover plate 130; the upper and lower cases 110 and 120 have a fourth chamber 224; the medicine storage mechanism 240 is disposed at the fourth chamber 224, and an opening for detachably engaging with the cover plate 130 is formed at the fourth chamber 224, so that the medicine liquid in the medicine storage mechanism 240 can be conveniently replaced.
In this embodiment, the drug storage mechanism 240 is used for storing a drug solution, the drug solution in the drug storage mechanism 240 is led out through the infusion hose, and the upper housing 110 and the lower housing 120 are formed with a hose through hole 140 for leading out the infusion hose.
The medicine storage mechanism 240 in this embodiment can be installed by the following steps:
1. correspondingly arranging a first positioning rod 1341, a second positioning rod 1342 and a third positioning rod 1343 in the first positioning blind hole 1331a, the second positioning blind hole 1332a and the third positioning blind hole 1420; at this time, the third positioning rod 1343 protrudes out of the third positioning blind hole 1420, and the first positioning rod 1341 and the second positioning rod 1342 can be completely retracted into the first positioning blind hole 1331a and the second positioning blind hole 1332a and extend out of the first positioning blind hole 1331a and the second positioning blind hole 1332 a;
2. inserting the protruding part of the third positioning rod 1343 into the corresponding positioning blind hole, and extending the compression spring at the spring mounting hole 262 into the medicine storage cavity 1410;
3. aligning the hose connection part 1311 with the connection part placement groove 263, and pressing the drug storage cylinder 1310 until the protruding parts of the first positioning rod 1341 and the second positioning rod 1342 are snapped into the corresponding positioning blind holes;
4. and then the infusion hose is led out of the hose through hole 140.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (10)

1. Store up medicine mechanism, its characterized in that: comprises a medicine storage cylinder (1310), a medicine storage cavity (1410) is formed inside the medicine storage cylinder (1310), and the medicine storage cavity (1410) is used for storing medicine liquid; a hose connection part (1311) for connecting an infusion hose is formed at one end of the cartridge (1310), and the drug storage chamber (1410) is opened at the other end of the cartridge (1310); a piston (1320) is arranged in the medicine storage cavity (1410), and the piston (1320) is used for sealing the medicine storage cavity (1410);
the periphery of the medicine storage cylinder (1310) is provided with a first positioning flange (1331), a second positioning flange (1332) and a third positioning flange (1333) at intervals, and the first positioning flange (1331), the second positioning flange (1332) and the third positioning flange (1333) are axially distributed along the medicine storage cylinder (1310);
a first positioning blind hole (1331a), a second positioning blind hole (1332a) and a third positioning blind hole (1420) are respectively arranged in the first positioning flange (1331), the second positioning flange (1332) and the third positioning flange (1333), the openings of the first positioning blind hole (1331a) and the second positioning blind hole (1332a) face to one end of the medicine storage cylinder (1310), and the opening of the third positioning blind hole (1420) faces to the other end of the medicine storage cylinder (1310); a first positioning rod (1341), a second positioning rod (1342) and a third positioning rod (1343) are slidably arranged in the first positioning blind hole (1331a), the second positioning blind hole (1332a) and the third positioning blind hole (1420), respectively;
a step hole (1430) is formed at the other end of the medicine storage cylinder (1310), the lengths of the first locating rod (1341) and the second locating rod (1342) are not less than the inner diameter of the medicine storage cavity (1410) and not more than the inner diameter of the step hole (1430), and the length of the third locating rod (1343) is more than the depth of the medicine storage cavity (1410); the middle parts of the first positioning rod (1341) and the second positioning rod (1342) are respectively provided with a first matching hole (1341a) and a second matching hole (1342a) which are used for matching with the third positioning rod (1343).
2. The drug storage mechanism of claim 1, wherein: the first matching hole (1341a) is in sliding fit with the third positioning rod (1343), and the second matching hole (1342a) is a blind hole and is in threaded fit or clearance fit with the third positioning rod (1343).
3. The drug storage mechanism of claim 1, wherein: the first fitting hole (1341a) is screw-fitted to the third positioning rod (1343).
4. A drug storage mechanism as claimed in claim 3, wherein: the second matching hole (1342a) is a blind hole and is in threaded fit with the third positioning rod (1343).
5. A drug storage mechanism as claimed in claim 3, wherein: the second fitting hole (1342a) is a through hole and is circumferentially fixed and axially slidably fitted with the third positioning rod (1343).
6. The drug storage mechanism of claim 5, wherein: the cross sections of the third positioning rod (1343) and the second matching hole (1342a) are both oblate.
7. The drug storage mechanism of claim 5, wherein: scales are arranged on the end face of the other end of the medicine storage cylinder (1310) along the circumferential direction.
8. The drug storage mechanism of claim 1, wherein: and a piston matching blind hole (1440) which is used for rotationally matching with the end part of the third positioning rod (1343) is arranged on the outer end surface of the piston (1320).
9. The drug storage mechanism of claim 1, wherein: the bottom wall of the step hole (1430) is provided with a first positioning rod clamping groove (1431) used for being matched with two ends of the first positioning rod (1341).
10. An insulin syringe characterized in that: comprising a drug storage mechanism as claimed in any of claims 1 to 9.
CN202110312934.9A 2021-03-24 2021-03-24 Medicine storage mechanism and insulin injection syringe with same Active CN113018579B (en)

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Application Number Priority Date Filing Date Title
CN202110312934.9A CN113018579B (en) 2021-03-24 2021-03-24 Medicine storage mechanism and insulin injection syringe with same

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Application Number Priority Date Filing Date Title
CN202110312934.9A CN113018579B (en) 2021-03-24 2021-03-24 Medicine storage mechanism and insulin injection syringe with same

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CN113018579A CN113018579A (en) 2021-06-25
CN113018579B true CN113018579B (en) 2021-11-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03158153A (en) * 1989-11-08 1991-07-08 L Molteni & Co Dei F Lli Alitti Spa Device for preventing contagion of injection cartridge for holding dental anesthetic solution
CN102038988A (en) * 2010-01-15 2011-05-04 盛春胜 Disposable self-destruction medical syringe
CN103781505A (en) * 2011-09-06 2014-05-07 诺沃—诺迪斯克有限公司 A piston rod foot
CN110448757A (en) * 2019-06-25 2019-11-15 南京感控通化工产品经营部 A kind of syringe and injector system loaded with pressure sleeve rotation
CN212214319U (en) * 2020-01-02 2020-12-25 江苏迈硕医疗科技有限公司 Syringe for anesthesia

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03158153A (en) * 1989-11-08 1991-07-08 L Molteni & Co Dei F Lli Alitti Spa Device for preventing contagion of injection cartridge for holding dental anesthetic solution
CN102038988A (en) * 2010-01-15 2011-05-04 盛春胜 Disposable self-destruction medical syringe
CN103781505A (en) * 2011-09-06 2014-05-07 诺沃—诺迪斯克有限公司 A piston rod foot
CN110448757A (en) * 2019-06-25 2019-11-15 南京感控通化工产品经营部 A kind of syringe and injector system loaded with pressure sleeve rotation
CN212214319U (en) * 2020-01-02 2020-12-25 江苏迈硕医疗科技有限公司 Syringe for anesthesia

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