CN114082042B - Unified injection depth telescopic type insulin syringe - Google Patents
Unified injection depth telescopic type insulin syringe Download PDFInfo
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- CN114082042B CN114082042B CN202111213691.XA CN202111213691A CN114082042B CN 114082042 B CN114082042 B CN 114082042B CN 202111213691 A CN202111213691 A CN 202111213691A CN 114082042 B CN114082042 B CN 114082042B
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- Prior art keywords
- limiting
- positioning sleeve
- needle head
- wings
- positioning
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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
- A61M5/32—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
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3213—Caps placed axially onto the needle, e.g. equipped with finger protection guards
-
- 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
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
-
- 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
Abstract
The invention discloses a uniform injection depth telescopic type insulin syringe which comprises a syringe body, a limiting device, a positioning sleeve, a limiting nut and a contraction sleeve assembly, wherein the limiting device is provided with an inner cavity, the outer wall of the limiting device is provided with a limiting wing, the syringe body is installed in the inner cavity, a needle head extends out of the limiting device, the positioning sleeve is provided with a middle cavity, the upper part of the outer wall of the positioning sleeve is provided with a vertical sliding groove, the lower part of the outer wall of the positioning sleeve is provided with external threads, the limiting wing is embedded into the vertical sliding groove and extends out of the positioning sleeve, the limiting device can be vertically arranged in the middle cavity in a sliding manner, the limiting nut is provided with an outer cavity, internal threads are arranged in the outer cavity, the positioning sleeve is in threaded connection with the outer cavity, and the upper end surface of the positioning nut is abutted against the limiting wing when the limiting nut is rotated so as to limit the length of the needle head extending out of the positioning sleeve. The invention overcomes the restriction of the injection depth by the length of the needle head, avoids the defect that the injection depth can only be controlled manually, simultaneously eliminates the fear of the injected person to the needle head, and realizes the comfort in the treatment and rehabilitation process.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a telescopic insulin syringe with uniform injection depth.
Background
With the increasing number of diabetics, daily insulin injections have been very frequent. The insulin syringe is an injection tool commonly used for insulin treatment at present, and is matched with a needle for the insulin syringe to be used for completing subcutaneous injection. The human skin is typically 0.5-3 mm thick (excluding subcutaneous tissue), and in order to allow injection of the needle into the subcutaneous tissue and to prevent injection into the muscle, the safe injection depth of insulin is typically 4-6 mm.
The types of needles commonly used in clinical at present are 4mm, 5mm, 6mm, 8mm and 12.7mm, and the needles of the existing insulin syringes are mostly 4-6mm in size so as to prevent the injections into muscle tissues, so that the insulin is absorbed too fast, and the blood sugar control in vivo is unstable. However, short needles are generally expensive and the depth of injection cannot be accurately controlled.
As shown in fig. 6, the conventional injector mechanism includes an injection push rod 101 disposed in an injector sleeve 102, the head of the injection push rod 101 is made of plastic silica gel, and is in interference fit with the inner cavity of the injector sleeve 102, and is used for drug delivery under the action of external force, the head of the injector sleeve 102 is provided with external threads, an injection needle 104 and a needle seat 103 are integrally fixed, the inner cavity of the needle seat 103 is provided with internal threads, and the needle seat 103 is connected with the injector sleeve 102 through rotary threads. The needle head of the conventional syringe is fixed in the needle seat, and the length of the needle head is fixed, so that the injection depth can be controlled manually only in the injection process; in addition, in the injection process of the conventional injector, a patient can directly see the needle head, so that before the injection, the exposed needle head can cause the patient to feel fear, needle sickness and the like, and the patient feels uncomfortable.
Disclosure of Invention
The invention aims to provide a telescopic insulin syringe with uniform injection depth, which solves the problem that safe injection cannot be accurately realized by needles with different specifications and lengths (namely the injection depth is uniform between 4 and 6 mm), eliminates the fear of an injected person on the needles, eliminates pain and realizes the comfort in the treatment and rehabilitation process.
In order to achieve the purpose, the invention adopts the technical scheme that: the retractable insulin syringe with the unified injection depth comprises a syringe body, a limiting device, a positioning sleeve and a limiting nut, wherein the limiting device is provided with an inner cavity, a plurality of limiting wings are arranged on the outer wall of the limiting device at equal intervals, the syringe body is installed in the inner cavity, a needle head extends out of the limiting device, the positioning sleeve is provided with a middle cavity, a plurality of vertical sliding grooves are arranged on the upper portion of the outer wall of the positioning sleeve at equal intervals, external threads are arranged on the lower portion of the outer wall of the positioning sleeve, the limiting wings are embedded into the vertical sliding grooves and extend out of the positioning sleeve, the limiting device can be vertically arranged in the middle cavity in a sliding mode, the limiting nut is provided with an outer cavity, internal threads are arranged in the outer cavity, the positioning sleeve is in threaded connection with the outer cavity, the upper end face of the positioning sleeve is abutted against the limiting wings when the limiting nut is rotated to limit the length of the needle head extending out of the positioning sleeve, and a shrink sleeve component is installed on the lower portion of the positioning sleeve and is used for hiding the needle head in a non-injection state, when the injection is carried out, the lower end of the shrink sleeve component is pressed against the skin of a human body, and then the shrink sleeve component is extruded to enable the needle head to protrude out of the lower end of the shrink sleeve component.
As a further optimization, the stopper is provided with a bottom wall, a through hole communicated with the inner cavity is formed in the bottom wall, the needle seat of the syringe body is abutted to the bottom wall, and the needle head penetrates through the through hole and then extends out of the stopper.
As a further optimization, a plurality of positioning wings are arranged on the outer wall of the injector body at equal intervals, are positioned above the limiting stopper and are embedded into the vertical sliding groove.
As a further optimization, the number of the limiting wings, the number of the positioning wings and the number of the vertical sliding grooves are equal, and the number of the limiting wings, the number of the positioning wings and the number of the vertical sliding grooves are two to six.
As a further optimization, the position, located at the external thread, of the positioning sleeve is provided with identification numbers for indicating the length of the needle head, the limiting nut is provided with a display hole, and the identification numbers are displayed through the display hole when the limiting nut is rotated.
As a further optimization, the identification number is an integer from 4 to 13, and the unit is mm.
As a further optimization, the thread pitch of the internal thread and the thread pitch of the external thread are both 1 mm.
As a further optimization, the telescopic insulin syringe with the unified injection depth further comprises a shrink sleeve assembly, wherein the shrink sleeve assembly comprises a bottom plate and a plurality of guide pillars, the middle of the bottom plate is provided with an opening for the needle to pass through, the guide pillars are equidistantly fixed on the bottom plate and located beside the opening and upwards penetrate through a mounting plate arranged on the inner wall of the middle cavity, the outer side of each guide pillar is sleeved with a spring, and the upper end and the lower end of each spring are respectively abutted against the mounting plate and the bottom plate.
As a further optimization, the number of the guide posts is more than or equal to three.
Compared with the prior art, the invention has the following beneficial effects:
1. the extension length (namely the penetration length) of the needle head is controlled through the synergistic effect of the limiting nut, the positioning sleeve and the limiter, the selection of the length of the needle head by the injector is overcome, the limitation and the specificity of the needle length are avoided when the length of the needle head is selected, and the application universality of the syringe needle in various fields such as basic medicine, clinical medicine, forensic medicine, inspection medicine, preventive medicine, health care medicine, rehabilitation medicine and the like is improved;
2. the syringe needle is hidden in shrink sleeve subassembly at the injection in-process, has eliminated by the fear of injector to the syringe needle, has eliminated the pain, is difficult for producing the fear sense to the injection, has realized the travelling comfort at the recovered in-process of treatment.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is a schematic view of the components of the present invention before assembly.
Fig. 3 is a cross-sectional view of the components of the present invention prior to assembly.
Fig. 4 is a schematic structural view of the present invention in a non-injection state.
Fig. 5 is a schematic structural view of the injection completion state of the present invention.
Fig. 6 is a schematic structural view of a conventional syringe.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the insulin syringe with a telescopic injection depth comprises a syringe body 10, a stopper 20, a positioning sleeve 30, a limiting nut 40 and a shrink sleeve assembly 50, wherein the stopper 20 has an inner cavity 200, the outer wall of the stopper 20 is provided with three limiting wings 21 at equal intervals, the syringe body 10 is installed in the inner cavity 200, a needle 104 extends out of the stopper 20, the positioning sleeve 30 has a middle cavity 300, the upper part of the outer wall of the positioning sleeve 30 is provided with three vertical sliding grooves 31 at equal intervals, the lower part of the outer wall is provided with external threads 32, the limiting wings 21 are embedded in the vertical sliding grooves 31 and extend out of the positioning sleeve 30, the stopper 20 is vertically slidably arranged in the middle cavity 300, the limiting nut 40 has an outer cavity 400, the outer cavity 400 is internally provided with internal threads 41, the positioning sleeve 30 is in threaded connection with the outer cavity 400, and when the limiting nut 40 is rotated, the upper end surface of the stopper abuts against the limiting wings 21, to limit the length of the needle 104 that extends out of the positioning sleeve 30.
The telescopic insulin syringe with the uniform injection depth further comprises a shrink sleeve assembly 50, wherein the shrink sleeve assembly 50 comprises a bottom plate 51 and a plurality of guide posts 52, an opening 511 for the needle 104 to pass through is formed in the middle of the bottom plate 51, the guide posts 52 are fixed on the bottom plate 51 at equal intervals, are located beside the opening 511 and upwardly penetrate through a mounting plate 34 arranged on the inner wall of the middle cavity 300, a spring 53 is sleeved on the outer side of each guide post 52, and the upper end and the lower end of each spring 53 are respectively abutted against the mounting plate 34 and the bottom plate 51; the number of the guide posts 52 is more than or equal to three, preferably three, and the upper part of the guide posts after passing through the mounting plate is provided with an expansion head 521 to prevent the guide posts from falling off from the mounting plate.
Preferably, the stopper 20 has a bottom wall 22, the bottom wall 22 is provided with a through hole 221 communicated with the inner cavity 200, the needle seat 103 of the syringe body 10 abuts against the bottom wall 22, the needle 104 extends out of the stopper 20 after passing through the through hole 221, the lower end of the syringe body can be firmly fixed in the inner cavity of the stopper by the arrangement of the bottom wall, and the installation stability is improved.
Preferably, a plurality of positioning wings 11 are equidistantly arranged on the outer wall of the syringe body 10, the positioning wings 11 are located above the stopper 20 and embedded in the vertical sliding groove 31, on one hand, the positioning wings 11 can prevent the syringe body from rotating in the stopper, on the other hand, the positioning wings and the limiting wings move in the vertical sliding groove one above the other, and the positions of the positioning wings and the limiting wings limit the distance that the combination of the syringe body and the stopper moves up and down in the positioning sleeve.
Preferably, the number of the limiting wings 21, the number of the positioning wings 11 and the number of the vertical sliding grooves 31 are equal, and are all three to six.
Preferably, the upper part and the lower part of the syringe sleeve 102 have different diameters, the diameter of the upper part is larger, the upper part of the syringe body is embedded into the middle cavity and can contact with the inner wall of the middle cavity, and the stability of the syringe sleeve during up-and-down movement is also ensured.
Preferably, the positioning sleeve 30 is provided with an identification number 33 for indicating the length of the used needle at the position of the external thread 32, and the limiting nut 40 is provided with a display hole 42; when the stop nut 40 is rotated, the identification number 33 is displayed through the display hole 42; the length of the needle is typically 4-13mm, so the reference numeral 33 is an integer from 4 to 13 in mm; the pitch of the internal thread 41 and the pitch of the external thread 32 are both 1 mm. So that the identification number read in the display hole indicates that the length of the needle is adjusted by 1mm per rotation. In the case of a 8mm needle length, the stop nut 40 is simply rotated to the point where the display hole 42 displays 8, which indicates that the injection depth has been controlled to a uniformly set safe injection depth.
In the invention, the syringe body 10 is arranged in the inner cavity 200 of the stopper 20, then the stopper 20 is arranged in the middle cavity 300 of the positioning sleeve 30, wherein the limiting wings 21 on the outer wall of the stopper 20 are embedded in the vertical sliding grooves 31, so that the accuracy of the stopper 20 moving vertically in the middle cavity 300 is ensured, the limiting nut 40 is in threaded connection with the outer wall of the positioning sleeve 30, the limiting wings 31 are abutted against the upper end of the limiting nut 40, the limiting nut 40 moves vertically outside the positioning sleeve 30 through rotation, the position of the stopper 20 in the middle cavity 300 is limited by limiting the position of the limiting wings 31, and the position of the syringe body 10 in the middle cavity 300 in the stopper 20 is further limited, so that the length of the needle 104 capable of extending out of the lower end of the positioning sleeve 30 is limited.
In the using process of the invention, before injection, the needle head 104 is positioned in the retraction sleeve component 50, when injection is carried out, firstly, according to the length of the used needle head, the limiting nut 40 is rotated until the display hole 42 displays that the number is the length of the needle head, thereby controlling the injection depth to be the uniformly set safe injection depth, the syringe sleeve 102 is tightly held for injection, when the bottom plate 51 of the retraction sleeve component 50 contacts a human body, under the action of force, the spring is compressed, the needle head penetrates into the skin after penetrating through the hole on the bottom plate, the syringe movement is finished, at the moment, the injection push rod is pressed to carry out slow injection of medicine, when the injection push rod moves to the bottom dead center, the medicine injection is finished, the syringe is rapidly pulled out, namely the injection is finished, meanwhile, under the action of the force of the spring, the retraction sleeve component is reset, the needle head retracts, and a complete injection process is finished.
The invention overcomes the selection of the length of the needle head by the injector, avoids the limitation and the specificity of the length of the needle when the length of the needle head is selected, and can adapt to the length of the injection needle in a larger range; and the injection depth of the needle head can be uniformly adjusted, and the extension length of the needle head is controlled through the synergistic effect of the limiting nut, the positioning sleeve and the limiter, so that the injection safety is improved. In addition, the needle head is always hidden in the shrink sleeve assembly in the injection process, so that the fear of the injected person to the needle head is eliminated, the pain is eliminated, the fear of injection is not easy to generate, and the comfort in the treatment and rehabilitation process is realized. Therefore, the design structure is reasonable, the operation is convenient and fast, the use is more efficient, and the application process is more humanized.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The insulin syringe with the telescopic injection depth is characterized by comprising
The injection device comprises an injection device body, a first injection device,
the stopper is provided with an inner cavity, a plurality of limiting wings are arranged on the outer wall of the stopper at equal intervals, the syringe body is arranged in the inner cavity, the needle head extends out of the stopper, the stopper is provided with a bottom wall, a through hole communicated with the inner cavity is arranged on the bottom wall, the needle seat of the syringe body is abutted against the bottom wall, the needle head extends out of the stopper after passing through the through hole,
the positioning sleeve is provided with a middle cavity, the upper part of the outer wall of the positioning sleeve is provided with a plurality of vertical sliding grooves at equal intervals, the lower part of the outer wall of the positioning sleeve is provided with external threads, the limiting wings are embedded into the vertical sliding grooves and extend out of the positioning sleeve, the limiter is arranged in the middle cavity in a vertically sliding way,
the limiting nut is provided with an outer cavity, internal threads are arranged in the outer cavity, the positioning sleeve is in threaded connection with the inner cavity, and the upper end face of the limiting nut is abutted against the limiting wings to limit the length of the needle head extending out of the positioning sleeve when the limiting nut is rotated;
the shrink sleeve assembly is arranged on the lower portion of the positioning sleeve and used for hiding a needle head in a non-injection state, the shrink sleeve assembly is extruded to enable the needle head to protrude out of the lower end of the shrink sleeve assembly after the lower end of the shrink sleeve assembly is abutted to the skin of a human body in an injection state, the shrink sleeve assembly comprises a bottom plate and a plurality of guide pillars, an opening for the needle head to pass through is formed in the middle of the bottom plate, the guide pillars are equidistantly fixed on the bottom plate and located on the side of the opening, the guide pillars upwards penetrate through a mounting plate arranged on the inner wall of the middle cavity, a spring is sleeved on the outer side of each guide pillar, and the upper end and the lower end of the spring are abutted to the mounting plate and the bottom plate respectively.
2. The telescopic insulin pump according to claim 1, wherein a plurality of positioning wings are provided on the outer wall of the syringe body at equal intervals, and the positioning wings are located above the stopper and embedded in the vertical sliding groove.
3. The telescopic insulin pump according to claim 2, wherein the number of the limiting wings, the number of the positioning wings and the number of the vertical sliding grooves are equal, and the number of the limiting wings, the number of the positioning wings and the number of the vertical sliding grooves are two to six.
4. The telescopic insulin pump according to claim 1, wherein the positioning sleeve is provided with a marking number for indicating the length of the needle at the position of the external thread, the limit nut is provided with a display hole, and the marking number is displayed through the display hole when the limit nut is rotated.
5. The telescopic insulin pump according to claim 4, wherein the identification number is an integer of 4 to 13 in mm.
6. The telescopic insulin pump according to claim 4 or 5, wherein the pitch of the internal thread and the pitch of the external thread are both 1 mm.
7. The telescopic insulin pump according to claim 1, wherein the number of the guide posts is not less than three.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213691.XA CN114082042B (en) | 2021-10-19 | 2021-10-19 | Unified injection depth telescopic type insulin syringe |
| PCT/CN2021/129985 WO2023065424A1 (en) | 2021-10-19 | 2021-11-11 | Telescopic insulin syringe having unified injection depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213691.XA CN114082042B (en) | 2021-10-19 | 2021-10-19 | Unified injection depth telescopic type insulin syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114082042A CN114082042A (en) | 2022-02-25 |
| CN114082042B true CN114082042B (en) | 2022-08-19 |
Family
ID=80297144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111213691.XA Active CN114082042B (en) | 2021-10-19 | 2021-10-19 | Unified injection depth telescopic type insulin syringe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114082042B (en) |
| WO (1) | WO2023065424A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201375734Y (en) * | 2009-04-09 | 2010-01-06 | 张传思 | Injector with controllable injection depth |
| CN204428546U (en) * | 2013-09-26 | 2015-07-01 | 贝克顿·迪金森公司 | There is the syringe of scalable penetration depth |
| CN205988444U (en) * | 2016-05-25 | 2017-03-01 | 江苏德尔福医疗器械有限公司 | A kind of Yin Zhen mechanism of injection inserting needle depth adjustable |
| CN107281594A (en) * | 2016-04-12 | 2017-10-24 | 上海金塔医用器材有限公司 | Injection needle |
| CN213191791U (en) * | 2020-06-29 | 2021-05-14 | 湖州市中心医院 | Insulin syringe with protection function |
| CN213724269U (en) * | 2020-11-12 | 2021-07-20 | 重庆市涪陵中心医院 | Simple structure's department of anesthesia is with device of dosing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001873Y (en) * | 2007-01-26 | 2008-01-09 | 田伟裕 | Injection type needle tube with telescopic sleeve |
| CN103007395A (en) * | 2012-12-13 | 2013-04-03 | 苏州和林精密科技有限公司 | Insulin-used syringe needle with adjustable injecting depth |
| WO2017070959A1 (en) * | 2015-10-30 | 2017-05-04 | 项文 | Device for controlling puncture depth and hiding needle and usage method thereof |
| CN106390243A (en) * | 2016-11-23 | 2017-02-15 | 合肥贺博教育科技有限公司 | Needle head hidden type syringe with adjustable injection depth |
| US20210178087A1 (en) * | 2018-04-20 | 2021-06-17 | Asti Corporation | Injection needle and injection 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 |
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2021
- 2021-10-19 CN CN202111213691.XA patent/CN114082042B/en active Active
- 2021-11-11 WO PCT/CN2021/129985 patent/WO2023065424A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201375734Y (en) * | 2009-04-09 | 2010-01-06 | 张传思 | Injector with controllable injection depth |
| CN204428546U (en) * | 2013-09-26 | 2015-07-01 | 贝克顿·迪金森公司 | There is the syringe of scalable penetration depth |
| CN107281594A (en) * | 2016-04-12 | 2017-10-24 | 上海金塔医用器材有限公司 | Injection needle |
| CN205988444U (en) * | 2016-05-25 | 2017-03-01 | 江苏德尔福医疗器械有限公司 | A kind of Yin Zhen mechanism of injection inserting needle depth adjustable |
| CN213191791U (en) * | 2020-06-29 | 2021-05-14 | 湖州市中心医院 | Insulin syringe with protection function |
| CN213724269U (en) * | 2020-11-12 | 2021-07-20 | 重庆市涪陵中心医院 | Simple structure's department of anesthesia is with device of dosing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023065424A1 (en) | 2023-04-27 |
| CN114082042A (en) | 2022-02-25 |
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