CN114177426B - Insulin syringe with needle protection architecture - Google Patents

Insulin syringe with needle protection architecture Download PDF

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Publication number
CN114177426B
CN114177426B CN202111500220.7A CN202111500220A CN114177426B CN 114177426 B CN114177426 B CN 114177426B CN 202111500220 A CN202111500220 A CN 202111500220A CN 114177426 B CN114177426 B CN 114177426B
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CN
China
Prior art keywords
tube
driving
wall
needle
side wall
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Application number
CN202111500220.7A
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Chinese (zh)
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CN114177426A (en
Inventor
朱平南
鲍亚丽
吴晓丽
陈小梅
王烨
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.)
Jiangsu Jichun Medical Devices Co ltd
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Jiangsu Jichun Medical Devices Co ltd
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Priority to CN202111500220.7A priority Critical patent/CN114177426B/en
Publication of CN114177426A publication Critical patent/CN114177426A/en
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Publication of CN114177426B publication Critical patent/CN114177426B/en
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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
    • 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
    • A61M5/3129—Syringe barrels
    • A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
    • 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
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • 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
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • 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
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/343—Connection of needle cannula to needle hub, or directly to syringe nozzle without a needle hub
    • 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
    • A61M5/46—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 having means for controlling depth of insertion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Abstract

The invention discloses an insulin syringe with a needle head protection structure, and relates to the technical field of medical appliances; the lower side of the driving frame is screwed with the lower side of the outer annular wall of the medicine storage tube through a hinge, and the upper side of the driving frame is connected with the upper side of the outer annular wall of the medicine storage tube through a hasp; the sealing ring is fixed on the right side wall of the medicine storage tube and the left side wall of the driving frame; the driving pipe is inserted and fixed on the right side wall of the driving frame; the piston plate is arranged in the driving frame; the pushing rod is fixed on the right side wall of the piston plate, and the other end of the pushing rod is arranged in the driving pipe in a penetrating way; the driving mechanism is arranged at the outer side of the pushing rod; the protective sleeve is fixed on the left side wall of the medicine storage tube, and the protective sleeve is sleeved on the outer side of the discharging tube; the protective cannula is inserted into the peripheral wall of the protective cannula; the connecting spring is embedded in the peripheral wall of the protective sleeve; the limiting mechanism is embedded in the outer side wall of the protective sleeve, and can limit the needle head in the injection process, so that the needle head cannot incline, and injection is convenient.

Description

Insulin syringe with needle protection architecture
Technical Field
The invention relates to the technical field of medical appliances, in particular to an insulin syringe with a needle head protection structure.
Background
Diabetes is a group of metabolic diseases characterized by hyperglycemia, the diabetes is divided into four types according to the difference of pathogenesis, wherein the highest incidence rate is type I diabetes and type II diabetes, the type I diabetes is insulin dependent diabetes, the type I diabetes needs to be treated by insulin or depends on exogenous insulin absolutely, the type II diabetes is usually called non-insulin dependent diabetes, long-time patients also need to carry out exogenous insulin to control blood sugar, insulin injection positions are mostly abdomen, outside thighs and outside arms, the nerve and blood vessel distribution of injection positions are less, the injection positions are spaced when the injection is carried out, the existing injector is used for visually observing and distinguishing the two injection positions, the injection positions are easy to generate error and error, hard lumps appear at the same injection position, and in the injection process, the needle head is easy to incline, so that the injection cannot be carried out.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the insulin syringe with the needle head protection structure, which is reasonable in design and convenient to use, and the needle head can be limited in the injection process, so that the needle head cannot incline, and the injection is convenient.
In order to achieve the above purpose, the invention adopts the following technical scheme: the medicine storage device comprises a medicine storage tube, a discharging tube and a needle head, wherein the left side of the medicine storage tube is arranged in a sealing mode, the discharging tube is inserted into and fixed on the left side wall of the medicine storage tube, the right end of the discharging tube and the left inner wall of the medicine storage tube are arranged in the same vertical plane, an annular groove is formed in the outer annular wall of the left end of the discharging tube, and the needle head is screwed on the outer side of the annular groove through threads; it also comprises:
the driving frame is arranged at the right end of the medicine storage tube, the lower side of the driving frame is connected with the lower side of the outer annular wall of the medicine storage tube in a screwed mode through a hinge, the upper side of the driving frame is connected with the upper side of the outer annular wall of the medicine storage tube through a hasp, the left side wall of the driving frame is in abutting arrangement with the right side wall of the medicine storage tube, and the inner peripheral wall and the outer peripheral wall of the driving frame are all arranged on the same plane with the inner peripheral wall and the outer peripheral wall of the medicine storage tube;
the two sealing rings are respectively fixed on the right side wall of the medicine storage tube and the left side wall of the driving frame and are in abutting arrangement;
the driving pipe is inserted and fixed on the right side wall of the driving frame, and the left end of the driving pipe and the right inner wall of the driving frame are arranged in the same vertical plane;
the piston plate is arranged in the driving frame, and the outer peripheral wall of the piston plate is in contact with the inner peripheral wall of the driving frame;
the pushing rod is fixed on the right side wall of the piston plate, and the other end of the pushing rod is arranged in the driving pipe in a penetrating way;
the driving mechanism is arranged on the right side of the driving frame and is arranged on the outer side of the pushing rod;
the protective sleeve is fixed on the left side wall of the medicine storage tube, the protective sleeve is sleeved on the outer side of the discharging tube, and the left end of the protective sleeve and the left side wall of the needle seat of the needle are arranged in the same vertical plane;
the protective cannula is inserted into the peripheral wall of the protective cannula, the left end of the protective cannula passes through the left side of the protective cannula and is exposed on the left side of the protective cannula, and the left end of the protective cannula and the left end of the needle head are arranged in the same plane;
the connecting springs are arranged in the peripheral wall of the protective sleeve in an equiangular embedded manner, and two ends of each connecting spring are fixedly connected with the inner wall of the peripheral wall of the protective sleeve and one side wall of the protective sleeve, which is positioned at the inner end of the protective sleeve, respectively;
the two limiting mechanisms are embedded in the outer side wall of the protective sleeve in an up-down corresponding mode.
Preferably, the left side wall of the protective cannula is provided with sucking discs in an equiangular inserting mode and fixed, and the sucking discs are adsorbed on the skin of a user when injection is carried out.
Preferably, the driving mechanism comprises:
the inner thread pipe is sleeved on the outer side of the driving rod, and the right end of the inner thread pipe is exposed on the right side of the driving pipe after passing through the right end of the driving pipe;
the positioning ring is embedded and fixed in the right end of the driving pipe, a rotary bearing is embedded and fixed on the inner wall of the positioning ring, and the rotary bearing is sleeved on the outer side of the internal thread pipe;
the limiting strips are arranged on the outer annular wall of the inner threaded pipe at equal angles and are arranged in sliding grooves on the inner wall of the inner ring of the rotary bearing in a sliding manner;
the rotating plate is fixed on the right end of the internal thread pipe;
when driving the catch bar, rotate the pivoted plate, the pivoted plate drives the internal thread pipe and rotates, and the internal thread pipe moves outside at pivoted in-process, when the distance that moves reached the volume that needs the injection, stops rotating again, then promotes the pivoted plate to one side of drive pipe, until the pivoted plate is contradicted on the right side wall of drive pipe to can carry out quantitative injection.
Preferably, a handle is fixed on the right side wall of the rotating plate, and the handle is U-shaped, and when in use, the handle drives the rotating plate to rotate and move.
Preferably, the limiting mechanisms all comprise:
the arc-shaped sliding block is arranged in a sliding groove on the outer side wall of the protective sleeve in a sliding manner, and the inner side of the arc-shaped sliding block is arranged on the right side of the protective insertion pipe;
the limiting screw rod is embedded in the cavity on the outer side wall of the protective sleeve, two ends of the limiting screw rod are respectively screwed with two side walls of the cavity through bearings, and the middle end of the limiting screw rod is inserted in the center of the arc-shaped sliding block and screwed through threads;
the driven bevel gear is sleeved and fixed on the right end of the limit screw rod;
the driving bevel gear is meshed with the driven bevel gear, and is embedded in the embedded groove at one side of the cavity;
the driving motor is embedded in the embedded groove, an output shaft of the driving motor is inserted and fixed on the driving bevel gear, the driving motor is connected with the storage battery, and the storage battery is embedded in the embedded groove;
when carrying out the injection, according to the degree of depth that the syringe needle needs to insert in, start driving motor, driving motor drives driven bevel gear through the initiative bevel gear and rotates, and driven bevel gear drives spacing lead screw and rotates, and spacing lead screw drives the arc slider and removes, and until the distance between arc slider and the protection intubate satisfies the needs, when carrying out the injection, the protection intubate removes to protection sheathed tube inside, until contradicting to on the arc slider, then stops continuing to insert the syringe needle to internal, has avoided inserting the too dark injury that causes the patient.
Preferably, the actuating tube keep away from and be equipped with the thread board in the cover on the one end of actuating frame, the right side wall of this thread board is the coplanar setting with the right-hand member of actuating tube, the outside of thread board has the protection tube through the screw thread joint, the left side of protection tube has the outside at the actuating frame through the screw thread joint, equiangular several mount is equipped with on the outer annular wall of actuating tube, this mount is "L" shape setting, the branch of mount one side is fixed on the outer annular wall of actuating tube, the several syringe needle sets up in the inside of protection tube, all be equipped with the draw-in groove on a lateral wall of syringe needle, one side of draw-in groove inside all is fixed with the stopper, this stopper one-to-one card is established on the several mount, be located the right side conflict of the inside syringe needle of protection tube and have the conflict board, all be fixed with the conflict spring on the right side wall of conflict board, all activity cartridge guide bar on the locating plate, the left end of this guide bar is fixed on the right side wall of board, stand-by syringe needle is placed in the protection tube, when needing to change the protection tube, make the syringe needle take out the syringe needle to the outside when the side is rotated, and then take out the syringe needle to the outside with the left side, take out the syringe needle.
The working principle of the invention is as follows: when the medicine storage device is used, the driving frame is located above the medicine storage tube, then the hasp is opened, the driving frame rotates to one side of the hinge, medicines are poured into the medicine storage tube, the driving frame rotates to the medicine storage tube, the medicine storage tube is connected through the hasp, one side of the needle head is then rotated to the upper side, the driving rod is driven through the driving mechanism, air in the medicine storage tube, the discharging tube and the needle head is discharged, then the protection cannula is abutted to the skin of a patient, the medicine storage tube is pressed, the medicine storage tube drives the protection cannula to move to one side of the patient, at the moment, the connecting spring is compressed, and the protection tube is sleeved on the protection cannula, so that the protection cannula moves linearly, the needle head is prevented from inclining, and injection of the needle head cannot be influenced.
Compared with the prior art, the invention has the beneficial effects that:
1. the outer side of the needle is provided with the protective sleeve and the protective cannula, so that the phenomenon of inclination can not occur when the needle is inserted into a body, and the injection of the needle can not be influenced;
2. a driving frame is arranged on one side of the medicine storage tube, and the driving frame is connected with the medicine storage tube through a hinge and a hasp, so that feeding is convenient;
3. the right side at the drive frame is equipped with the drive tube, and is equipped with actuating mechanism in the drive tube to conveniently carry out the operation of injection, and still steerable injection simultaneously satisfies patient's demand.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 4.
FIG. 6 is a schematic view of a tapping pipe according to the present invention.
Reference numerals illustrate:
the medicine storage tube 1, the discharging tube 2, the needle head 3, the annular groove 4, the driving frame 5, the sealing ring 6, the driving tube 7, the piston plate 8, the pushing rod 9, the driving mechanism 10, the internal thread tube 10-1, the positioning ring 10-2, the rotating bearing 10-3, the limiting strip 10-4, the rotating plate 10-5, the protecting sleeve 11, the protecting sleeve pipe 12, the connecting spring 13, the limiting mechanism 14, the arc-shaped sliding block 14-1, the limiting screw rod 14-2, the driven bevel gear 14-3, the cavity 14-4, the driving bevel gear 14-5, the driving motor 14-6, the storage battery 14-7, the sucking disc 15, the handle 16, the thread plate 17, the protecting tube 18, the fixing frame 19, the clamping groove 20, the limiting block 21, the abutting plate 22, the abutting spring 23, the positioning plate 24 and the guide rod 25.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the present embodiment adopts the following technical scheme: the medicine storage device comprises a medicine storage tube 1, a discharging tube 2 and a needle head 3, wherein the left side of the medicine storage tube 1 is arranged in a sealing mode, the discharging tube 2 is inserted into and stuck to the left side wall of the medicine storage tube 1, the right end of the discharging tube 2 and the left inner wall of the medicine storage tube 1 are arranged in the same vertical plane, an annular groove 4 is formed in the outer annular wall of the left end of the discharging tube 2, and the needle head 3 is screwed on the outer side of the annular groove 4 through threads; it also comprises:
the driving frame 5 is arranged at the right end of the medicine storage tube 1, the lower side of the driving frame 5 is screwed with the lower side of the outer annular wall of the medicine storage tube 1 through a hinge, the upper side of the driving frame 5 is connected with the upper side of the outer annular wall of the medicine storage tube 1 through a hasp, the left side wall of the driving frame 5 is in abutting arrangement with the right side wall of the medicine storage tube 1, and the inner peripheral wall and the outer peripheral wall of the driving frame 5 are all arranged on the same plane with the inner peripheral wall and the outer peripheral wall of the medicine storage tube 1;
the two sealing rings 6 are respectively stuck and fixed on the right side wall of the medicine storage tube 1 and the left side wall of the driving frame 5, and the two sealing rings 6 are in contact;
the driving tube 7 is inserted into and riveted on the right side wall of the driving frame 5, and the left end of the driving tube 7 and the right inner wall of the driving frame 5 are arranged in the same vertical plane;
a piston plate 8, wherein the piston plate 8 is arranged in the driving frame 5, and the outer peripheral wall of the piston plate 8 is in contact with the inner peripheral wall of the driving frame 5;
the pushing rod 9 is riveted and fixed on the right side wall of the piston plate 8, and the other end of the pushing rod 9 is penetrated in the driving tube 7;
the driving mechanism 10, the driving mechanism 10 is arranged on the right side of the driving frame 5, and the driving mechanism 10 is arranged on the outer side of the pushing rod 9;
the protection sleeve 11 is fixedly adhered to the left side wall of the medicine storage tube 1, the protection sleeve 11 is sleeved on the outer side of the discharging tube 2, and the left end of the protection sleeve 11 and the left side wall of the needle seat of the needle head 3 are arranged in the same vertical plane;
the protective cannula 12 is inserted into the peripheral wall of the protective cannula 11, the left end of the protective cannula 12 passes through the left side of the protective cannula 11 and is exposed at the left side of the protective cannula 11, and the left end of the protective cannula 12 and the left end of the needle 3 are arranged in the same plane;
the connecting springs 13 are arranged in a plurality of equal angles and embedded in the outer peripheral wall of the protective sleeve 11, and two ends of the connecting springs 13 are respectively riveted and fixed with the inner wall of the outer peripheral wall of the protective sleeve 11 and one side wall of the protective insertion tube 12 positioned at the inner end of the protective sleeve 11;
the number of the limiting mechanisms 14 is two, and the limiting mechanisms 14 are correspondingly embedded in the outer side wall of the protective sleeve 11 from top to bottom.
Preferably, the left side wall of the protective cannula 12 is inserted and stuck with the sucking disc 15 at equal angles, so that the sucking disc 15 is adsorbed on the skin of a user when the injection is performed, and the stability is improved.
Preferably, the driving mechanism 10 further comprises:
the inner threaded pipe 10-1 is sleeved on the outer side of the driving rod, and the right end of the inner threaded pipe 10-1 passes through the right end of the driving pipe 7 and is exposed on the right side of the driving pipe 7;
the positioning ring 10-2 is embedded and riveted in the right end of the driving pipe 7, the inner wall of the positioning ring 10-2 is embedded and riveted with a rotary bearing 10-3, and the rotary bearing 10-3 is sleeved outside the internal thread pipe 10-1;
the limiting strips 10-4 are arranged on the outer annular wall of the internal thread pipe 10-1 at equal angles, the limiting strips 10-4 and the internal thread pipe 10-1 are integrally formed, and the limiting strips 10-4 are arranged in sliding grooves on the inner wall of the inner ring of the rotary bearing 10-3 in a sliding manner;
the rotating plate 10-5, the rotating plate 10-5 is riveted and fixed on the right end of the internal thread pipe 10-1.
In a preferred embodiment, the right side wall of the rotating plate 10-5 is riveted and fixed with a handle 16, and the handle 16 is in a U-shape, and when in use, the handle 16 drives the rotating plate 10-5 to rotate and move.
Preferably, the limiting mechanisms 14 each further comprise:
the arc-shaped sliding block 14-1, wherein the arc-shaped sliding block 14-1 is arranged in a sliding groove on the outer side wall of the protective sleeve 11 in a sliding manner, and the inner side of the arc-shaped sliding block 14-1 is arranged on the right side of the protective sleeve 12;
the limiting screw rod 14-2 is embedded in the cavity 14-4 on the outer side wall of the protective sleeve 11, two ends of the limiting screw rod 14-2 are respectively screwed with two side walls of the cavity 14-4 through bearings, and the middle end of the limiting screw rod 14-2 is inserted in the center of the arc-shaped sliding block 14-1 and screwed through threads;
the driven bevel gear 14-3, wherein the driven bevel gear 14-3 is sleeved and welded and fixed on the right end of the limit screw rod 14-2;
the driving bevel gear 14-5, the driving bevel gear 14-5 is meshed with the driven bevel gear 14-3, and the driving bevel gear 14-5 is embedded in an embedded groove at one side of the cavity 14-4;
the driving motor 14-6, the driving motor 14-6 is embedded in the embedded groove, the output shaft of the driving motor 14-6 is inserted and riveted on the driving bevel gear 14-5, the driving motor 14-6 is connected with the storage battery 14-7, and the storage battery 14-7 is embedded in the embedded groove.
As a preferred scheme, still further, drive tube 7 keep away from and overlap and welded fastening in the one end of drive frame 5 and establish and have screw thread board 17, the right side wall of this screw thread board 17 is the coplanar setting with the right-hand member of drive tube 7, the outside of screw thread board 17 has the protection tube 18 through the screw thread joint, the left side of protection tube 18 has the conflict spring 23 through the screw thread joint in the outside of drive frame 5, equiangular on the outer rampart of drive tube 7 is equipped with several mount 19, this mount 19 is "L" shape setting, branch welded fastening of mount 19 one side is on the outer rampart of drive tube 7, several syringe needle 3 sets up in the inside of protection tube 18, all seted up draw-in groove 20 on the one side wall of syringe needle 3, one side of draw-in groove 20 inside all is riveted and is fixed with stopper 21, this stopper 21 one-to-one card is established on several mount 19, the right side of syringe needle 3 that is located inside protection tube 18 is contradicted and is had conflict board 22, all welded fastening on the right side wall of conflict plate 22 has conflict spring 23, the right-hand member of this conflict spring 23 all welded fastening has locating plate 24, this locating plate 24 is fixed on the right side wall of the guide bar 25 on the side wall 25 is all riveted on the guide bar 25.
The working principle of the specific embodiment is as follows: when the drug storage device is used, the driving frame 5 is positioned above the drug storage tube 1, then the hasp is opened, the driving frame 5 rotates to one side of the hinge, the drug is poured into the drug storage tube 1, then the driving frame 5 rotates to the drug storage tube 1, the connection is carried out through the hasp, then one side of the needle 3 is rotated to the upper side, the driving rod is driven by the driving mechanism 10, air in the drug storage tube 1, the discharging tube 2 and the needle 3 is discharged, then the protective cannula 12 is abutted against the skin of a patient, the drug storage tube 1 is pressed, the drug storage tube 1 drives the protective cannula 11 to move to one side of the patient, at the moment, the connecting spring 13 is compressed, the protective cannula 11 is sleeved on the cannula, so that the protective cannula 11 linearly moves, the needle 3 is prevented from tilting, the injection of the needle 3 is not influenced, the standby needle 3 is placed in the protective tube 18, the protective tube 18 is rotated to the right side, the standby needle 3 is exposed to the outer side, then one 3 is taken to the right side, the contact plate 22 is abutted against the spring 23, the needle 3 is abutted against the left side of the fixing frame 21, and the needle 3 is separated from the outer side of the fixing frame 20, and the needle 3 is taken out of the needle frame 20;
when the push rod 9 is driven, the rotating plate 10-5 is rotated, the rotating plate 10-5 drives the internal thread tube 10-1 to rotate, the internal thread tube 10-1 moves outwards in the rotating process until the moving distance reaches the amount to be injected, then the rotation is stopped, and then the rotating plate 10-5 is pushed to one side of the driving tube 7 until the rotating plate 10-5 is abutted against the right side wall of the driving tube 7, so that quantitative injection can be performed;
when the injection is carried out, according to the depth of the needle head 3 to be inserted into the body, the driving motor 14-6 is started, the driving motor 14-6 drives the driven bevel gear 14-3 to rotate through the driving bevel gear 14-5, the driven bevel gear 14-3 drives the limiting screw rod 14-2 to rotate, the limiting screw rod 14-2 drives the arc slide block 14-1 to move until the distance between the arc slide block 14-1 and the protection insertion tube 12 meets the requirement, and when the injection is carried out, the protection insertion tube 12 moves into the protection sleeve 11 until the needle head 3 is abutted to the arc slide block 14-1, the needle head 3 is stopped from being continuously inserted into the body, and the damage to a patient caused by the over-deep insertion is avoided.
Compared with the prior art, the beneficial effects of the specific embodiment are as follows:
1. the outer side of the needle 3 is provided with the protective sleeve 11 and the protective cannula 12, so that the phenomenon of inclination does not occur when the needle 3 is inserted into a body, and the injection of the needle 3 is not affected;
2. a driving frame 5 is arranged on one side of the medicine storage tube 1, and the driving frame 5 is connected with the medicine storage tube 1 through a hinge and a hasp, so that feeding is convenient;
3. the right side of the driving frame 5 is provided with a driving pipe 7, and a driving mechanism 10 is arranged in the driving pipe 7, so that the injection operation is convenient, and the injection quantity can be controlled to meet the requirements of patients;
4. the outside at the drive tube 7 is equipped with protection tube 18, has placed the syringe needle 3 of a plurality of reserve between protection tube 18 and drive tube 7, and syringe needle 3 location is on the mount 19 on the outer rampart of drive tube 7 to the convenience is changed syringe needle 3 in the in-process of carrying.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (5)

1. An insulin syringe with needle protection architecture, it includes storing up the medicine tube (1), discharging tube (2) and needle (3), the left side of storing up the medicine tube (1) is sealed to be set up, insert and set up and fix discharging tube (2) on the left sidewall of storing up medicine tube (1), the right-hand member of this discharging tube (2) is the same vertical setting with the left inner wall of storing up medicine tube (1), is equipped with ring channel (4) on the outer annular wall of the left end of discharging tube (2), the outside of ring channel (4) connects the needle (3) through the screw thread soon; characterized in that it further comprises:
the driving frame (5), the driving frame (5) is arranged at the right end of the medicine storage tube (1), the lower side of the driving frame (5) is connected with the lower side of the outer annular wall of the medicine storage tube (1) in a screwed mode through a hinge, the upper side of the driving frame (5) is connected with the upper side of the outer annular wall of the medicine storage tube (1) through a hasp, the left side wall of the driving frame (5) is in abutting arrangement with the right side wall of the medicine storage tube (1), and the inner peripheral wall and the outer peripheral wall of the driving frame (5) are all arranged on the same plane with the inner peripheral wall and the outer peripheral wall of the medicine storage tube (1);
the two sealing rings (6) are respectively fixed on the right side wall of the medicine storage tube (1) and the left side wall of the driving frame (5), and the two sealing rings (6) are in contact;
the driving tube (7) is inserted and fixed on the right side wall of the driving frame (5), and the left end of the driving tube (7) and the right inner wall of the driving frame (5) are arranged in the same vertical plane;
the piston plate (8), the said piston plate (8) is set up in the inside of the driving frame (5), and the outer peripheral wall of the piston plate (8) contacts with inner peripheral wall of the driving frame (5) and sets up;
the pushing rod (9) is fixed on the right side wall of the piston plate (8), and the other end of the pushing rod (9) is penetrated in the driving pipe (7);
the driving mechanism (10) is arranged on the right side of the driving frame (5), and the driving mechanism (10) is arranged on the outer side of the pushing rod (9);
the protection sleeve (11), the protection sleeve (11) is fixed on the left side wall of the medicine storage tube (1), the protection sleeve (11) is sleeved on the outer side of the discharging tube (2), and the left end of the protection sleeve (11) and the left side wall of the needle seat of the needle head (3) are arranged in the same vertical plane;
the protective cannula (12) is inserted into the peripheral wall of the protective cannula (11), the left end of the protective cannula (12) passes through the left side of the protective cannula (11) and then is exposed out of the left side of the protective cannula (11), and the left end of the protective cannula (12) and the left end of the needle head (3) are arranged in the same plane;
the connecting springs (13) are arranged in the peripheral wall of the protective sleeve (11) in an equiangular embedded manner, and two ends of the connecting springs (13) are fixedly connected with the inner wall of the peripheral wall of the protective sleeve (11) and one side wall of the protective sleeve (12) positioned at the inner end of the protective sleeve (11) respectively;
the two limiting mechanisms (14) are respectively embedded in the outer side walls of the protective sleeve (11) vertically;
the driving tube (7) is far away from one end of the driving frame (5) and is sleeved with a threaded plate (17), the right side wall of the threaded plate (17) and the right end of the driving tube (7) are arranged on the same plane, the outer side of the threaded plate (17) is screwed with a protecting tube (18) through threads, the left side of the protecting tube (18) is screwed with the outer side of the driving frame (5) through threads, a plurality of fixing frames (19) are arranged on the outer annular wall of the driving tube (7) at equal angles, the fixing frames (19) are L-shaped, a supporting rod on one side of the fixing frames (19) is fixed on the outer annular wall of the driving tube (7), a plurality of needles (3) are arranged in the protecting tube (18), clamping grooves (20) are formed in one side of the needle heads (3), limiting blocks (21) are clamped on the fixing frames (19) in a one-to-one correspondence mode, the right side of the needles (3) located in the protecting tube (18) are provided with abutting plates (22), the right side walls of the abutting plates (22) are abutted against the right side walls, the right side walls of the abutting plates (22) are fixedly provided with springs (24) respectively, the positioning plates (24) are fixedly arranged on the right side walls of the fixing plates (24) are fixedly arranged on the outer annular walls of the driving tube (7), the left end of this guide bar (25) is fixed on the right side wall of conflict board (22), reserve syringe needle (3) are placed in protection tube (18), when needs change syringe needle (3), rotate protection tube (18), make protection tube (18) remove to the right side, make reserve syringe needle (3) expose in the outside, then take a syringe needle (3) to promote to the right side, make conflict board (22) to contradict against spring (23), and then make mount (19) be located the left side of draw-in groove (20), and separate with stopper (21), take out syringe needle (3) outside again, revolve its syringe needle (3) on discharging pipe (2).
2. An insulin pump with needle protection structure according to claim 1, characterized in that: the left side wall of the protective cannula (12) is inserted and fixed with a sucker (15) at equal angles, and the sucker (15) is adsorbed on the skin of a user when injection is carried out.
3. An insulin pump with needle protection structure according to claim 1, characterized in that: the driving mechanism (10) comprises:
the inner threaded pipe (10-1) is sleeved on the outer side of the driving rod, and the right end of the inner threaded pipe (10-1) passes through the right end of the driving pipe (7) and is exposed on the right side of the driving pipe (7);
the positioning ring (10-2), the said positioning ring (10-2) is embedded and fixed in right end of the driving tube (7), the inner wall of the positioning ring (10-2) is embedded and fixed with the swivel bearing (10-3), the swivel bearing (10-3) is sleeved outside the inner threaded tube (10-1);
the limiting strips (10-4) are arranged on the outer annular wall of the internal thread pipe (10-1) at equal angles, and the limiting strips (10-4) are arranged in sliding grooves on the inner wall of the inner ring of the rotary bearing (10-3) in a sliding manner;
the rotating plate (10-5), the said rotating plate (10-5) is fixed on right end of the female screw tube (10-1);
when the push rod (9) is driven, the rotating plate (10-5) is rotated, the rotating plate (10-5) drives the internal thread tube (10-1) to rotate, the internal thread tube (10-1) moves outwards in the rotating process until the moving distance reaches the amount to be injected, the rotation is stopped, and then the rotating plate (10-5) is pushed to one side of the driving tube (7) until the rotating plate (10-5) is abutted against the right side wall of the driving tube (7), so that quantitative injection can be performed.
4. An insulin pump with needle protection structure according to claim 3, characterized in that: a handle (16) is fixed on the right side wall of the rotating plate (10-5), the handle (16) is U-shaped, and when the rotating plate is used, the handle (16) drives the rotating plate (10-5) to rotate and move.
5. An insulin pump with needle protection structure according to claim 1, characterized in that: the limiting mechanisms (14) comprise:
the arc-shaped sliding block (14-1), wherein the arc-shaped sliding block (14-1) is arranged in a sliding groove on the outer side wall of the protective sleeve (11) in a sliding manner, and the inner side of the arc-shaped sliding block (14-1) is arranged on the right side of the protective sleeve (12);
the limiting screw rod (14-2) is embedded in the cavity (14-4) on the outer side wall of the protective sleeve (11), two ends of the limiting screw rod (14-2) are respectively screwed with two side walls of the cavity (14-4) through bearings, and the middle end of the limiting screw rod (14-2) is inserted in the center of the arc-shaped sliding block (14-1) and screwed through threads;
the driven bevel gear (14-3), the driven bevel gear (14-3) is sleeved and fixed on the right end of the limit screw rod (14-2);
the driving bevel gear (14-5), the driving bevel gear (14-5) is meshed with the driven bevel gear (14-3), and the driving bevel gear (14-5) is embedded in an embedded groove at one side of the cavity (14-4);
the driving motor (14-6), the said driving motor (14-6) is embedded in the embedded groove, the output shaft of the driving motor (14-6) is inserted and fixed on driving bevel gear (14-5), the driving motor (14-6) is connected with storage battery (14-7), the storage battery (14-7) is embedded in the embedded groove;
when injection is carried out, according to the depth of the needle (3) to be inserted into a body, a driving motor (14-6) is started, the driving motor (14-6) drives a driven bevel gear (14-3) to rotate through a driving bevel gear (14-5), the driven bevel gear (14-3) drives a limiting screw rod (14-2) to rotate, the limiting screw rod (14-2) drives an arc sliding block (14-1) to move until the distance between the arc sliding block (14-1) and a protective cannula (12) meets the requirement, and when injection is carried out, the protective cannula (12) moves into the protective cannula (11) until the needle is abutted to the arc sliding block (14-1), the needle (3) is stopped from being continuously inserted into the body, and the damage to a patient caused by the over-deep insertion is avoided.
CN202111500220.7A 2021-12-09 2021-12-09 Insulin syringe with needle protection architecture Active CN114177426B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115105684B (en) * 2022-04-11 2023-09-15 淄博侨森医疗用品股份有限公司 Insulin injection device
CN115054766B (en) * 2022-04-22 2023-06-02 陈素华 Portable insulin pen storage device

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Publication number Priority date Publication date Assignee Title
WO2015047114A1 (en) * 2013-09-30 2015-04-02 "Htl-Strefa" Spolka Akcyjna Safety needle device
CN112121252A (en) * 2020-08-25 2020-12-25 山东省千佛山医院 Syringe frame that hospital used
CN212214322U (en) * 2019-08-20 2020-12-25 山东连发医用塑胶制品有限公司 Safe adjustable insulin syringe needle
CN112618873A (en) * 2021-01-13 2021-04-09 上海篇惑宠物用品有限公司 Medicine adding and needle replacing equipment of veterinary injector
CN213030925U (en) * 2020-07-03 2021-04-23 宋甲昌 Medical injection device for livestock raising veterinarian

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015047114A1 (en) * 2013-09-30 2015-04-02 "Htl-Strefa" Spolka Akcyjna Safety needle device
CN212214322U (en) * 2019-08-20 2020-12-25 山东连发医用塑胶制品有限公司 Safe adjustable insulin syringe needle
CN213030925U (en) * 2020-07-03 2021-04-23 宋甲昌 Medical injection device for livestock raising veterinarian
CN112121252A (en) * 2020-08-25 2020-12-25 山东省千佛山医院 Syringe frame that hospital used
CN112618873A (en) * 2021-01-13 2021-04-09 上海篇惑宠物用品有限公司 Medicine adding and needle replacing equipment of veterinary injector

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