CN114848969A - Injection needle assembly with adjustable injection angle and depth - Google Patents
Injection needle assembly with adjustable injection angle and depth Download PDFInfo
- Publication number
- CN114848969A CN114848969A CN202210392114.XA CN202210392114A CN114848969A CN 114848969 A CN114848969 A CN 114848969A CN 202210392114 A CN202210392114 A CN 202210392114A CN 114848969 A CN114848969 A CN 114848969A
- Authority
- CN
- China
- Prior art keywords
- needle
- cylinder
- injection
- depth
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 65
- 239000007924 injection Substances 0.000 title claims abstract description 65
- 239000003814 drug Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 229940079593 drug Drugs 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 210000003491 skin Anatomy 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000003759 clinical diagnosis Methods 0.000 description 2
- 210000004207 dermis Anatomy 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 208000003455 anaphylaxis Diseases 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- 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
- A61M5/008—Racks for supporting syringes or needles
-
- 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
-
- 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
-
- 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
- A61M5/46—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 an injection needle assembly with adjustable injection angle and depth, which comprises an injector, wherein the injector consists of a needle head section, a liquid medicine injection section and a puncture depth control section, the puncture depth control section is a hollow cylinder, a rack and a push rod mechanism are arranged in the hollow cylinder, the liquid medicine injection section consists of a first cylinder and a second cylinder, the first cylinder is connected in the hollow cylinder in a sliding manner, the second cylinder is connected to the inner side of the first cylinder, the needle head section is connected with a needle point, and one end of the needle point is connected with the first cylinder; the invention meets the requirements of different injection modes on angle and depth, the arranged conical sleeve joint mechanism realizes that the needle point can be detached, the requirement for using one needle in injection and the requirement for using the needle in different injection modes are met, and the detachable needle point and the second barrel body with replaceable liquid medicine are combined, so that different injection requirements are met, and the invention has wide adaptability.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an injection needle assembly with adjustable injection angle and depth.
Background
The intradermal injection method is a method of injecting a small amount of drugs or biological products between epidermis and dermis, and a skin test belongs to one kind of intradermal injection, is a common operation in clinical diagnosis and treatment processes, also called intradermal sensitivity test, and needs to be performed on corresponding drugs before a patient needs to use antibiotics and some special drugs so as to eliminate and avoid possible anaphylactic reactions generated during infusion of the corresponding drugs. When the intradermal injection is carried out, the test medicament is required to be injected into the intradermal layer, the skin inner layer is positioned between the epidermis and the dermis, and the effect of the intradermal injection can be influenced by the too shallow and too deep puncture;
the invention with the authorization notice number of CN110478576A discloses an intradermal injection needle assembly with fixed puncture angle and depth, which simplifies the operation process of intradermal injection in the clinical diagnosis and treatment process, accurately fixes the puncture angle and depth, eliminates the pain in the intradermal injection process, but only meets the requirements of the intradermal injection angle and depth through a simple mechanical structure, the control of the existing puncture depth is difficult, long-term clinical training is needed, even an experienced medical worker is difficult to control the depth during the puncture injection, the patient is often caused to have stronger pain in the injection process, and the patient is often feared, so the injection needle assembly with the adjustable injection angle and depth is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the injection needle assembly with the adjustable injection angle and depth, the requirements of angles and depths of different injection modes are met, the needle point is detachable through the arranged conical sleeving mechanism, the requirement of using one needle during injection and the requirement of using the needle in different injection modes are met, different injection requirements are met by combining the detachable needle point and the second barrel body with replaceable liquid medicine, and the injection needle assembly has wide adaptability.
In order to solve the technical problems, the invention provides the following technical scheme: an injection needle assembly with adjustable injection angle and depth, the injection needle assembly comprising
The syringe, the syringe is pushed the section, is constituteed jointly by syringe needle section, liquid medicine, puncture depth control section, just puncture depth control section is the cavity barrel, be equipped with frame and push rod mechanism in the cavity barrel, just the liquid medicine is pushed the section and is constituteed by first barrel and second barrel, first barrel sliding connection is in the cavity barrel, the second barrel is connected in first barrel inside, just the syringe needle section is connected with the needle point, needle point one end is connected with first barrel.
Preferably, the needle point is equipped with toper socket joint mechanism, the interior needle point department that corresponds of cavity barrel is equipped with laser angle measuring mechanism, just needle point in second barrel one end and the first barrel is linked together, be equipped with check valve and piston in the second barrel, just the one end that the needle point was kept away from to the second barrel is equipped with ball screw mechanism.
Preferably, an auxiliary bracket is arranged on the outer side of the injector, and the angle of the auxiliary bracket can be adjusted.
Preferably, the needle tip can be provided in different sizes.
Preferably, the first cylinder and the second cylinder are both in a conical structure, and the surfaces of the first cylinder and the second cylinder are both provided with a degerming layer.
Preferably, the surface of the injector is provided with a fixing buckle, and the fixing buckle is connected with the auxiliary bracket.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the invention meets the requirements of angles and depths of different injection modes, the arranged conical sleeve joint mechanism realizes that the needle point can be detached, the requirement for using one needle in the injection and the requirement for using the needle in different injection modes are met, and the detachable needle point and the second barrel body with replaceable liquid medicine are combined, so that different injection requirements are met, and the invention has wide adaptability;
2. through combining adjustable angle's auxiliary stand, use the syringe injection convenience more, be favorable to improving work efficiency, the practicality is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a second barrel structure of the present invention;
wherein: 1. a hollow cylinder; 2. a push rod mechanism; 3. a ball screw mechanism; 4. a first cylinder; 5. a second cylinder; 6. a laser angle measuring mechanism; 7. a needle tip; 8. a one-way valve; 9. a piston.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
The first embodiment is as follows:
1-2, an injection needle assembly with adjustable injection angle and depth, the needle assembly comprising: the syringe comprises a needle head section, a liquid medicine injection section and a puncture depth control section, wherein the puncture depth control section is a hollow cylinder body 1, a rack and a push rod mechanism 2 are arranged in the hollow cylinder body 1, the liquid medicine injection section comprises a first cylinder body 4 and a second cylinder body 5, the first cylinder body 4 is connected in the hollow cylinder body 1 in a sliding manner, the second cylinder body 5 is connected to the inner side of the first cylinder body 4, the needle head section is connected with a needle point 7, and one end of the needle point 7 is connected with the first cylinder body 4; the needle point 7 is provided with a conical sleeve joint mechanism, a laser angle measuring mechanism 6 is arranged in the hollow cylinder 1 corresponding to the needle point 7, one end of the second cylinder 5 is communicated with the needle point 7 in the first cylinder 4, a one-way valve 8 and a piston 9 are arranged in the second cylinder 5, and a ball screw mechanism 3 is arranged at one end, far away from the needle point 7, of the second cylinder 5;
the frame in the hollow cylinder 1 is used for sliding the liquid medicine injection section, the push rod mechanism 2 is used for feeding the liquid medicine injection section into the skin of a patient, the second cylinder 5 is used for bearing liquid medicine, and when the angle measuring device is used, the auxiliary measurement of the angle during liquid medicine injection is realized through the hollow cylinder 1 and the laser angle measuring mechanism 6; the injection depth is determined by the sliding of the push rod mechanism 2 and the first barrel 4 in the hollow barrel 1; the barrel provided with a plurality of barrels for holding liquid medicine is used for meeting the requirement of differential injection; meanwhile, the requirement for replacing the needle point 7 is met by utilizing a conical sleeve joint mechanism; injection and pushing are realized by the movable matching of the ball screw mechanism 3, the needle point 7 and the second cylinder 5; the invention meets the requirements of different injection modes on angle and depth, the conical sleeve joint mechanism realizes the detachability of the needle point 7, meets the requirement of using one needle in injection and the requirement of using the needle in different injection modes, meets different injection requirements by combining the detachability of the needle point 7 and the second cylinder 5 capable of replacing liquid medicine, and has wide adaptability.
Example two:
in other embodiments, the present embodiment discloses that, as shown in fig. 1, an auxiliary bracket is disposed outside the injector, and the auxiliary bracket can adjust the angle;
when in use, the auxiliary bracket can be used for assisting the injector to inject under the condition that the limb of a patient is well fixed for injection, and the angle can be adjusted; through combining adjustable angle's auxiliary stand, use the syringe injection convenience more, be favorable to improving work efficiency, the practicality is better.
In other embodiments, the present embodiment discloses that, as shown in fig. 1, the needle tip 7 can be set to different specifications; the needle tip 7 is designed to have different specifications, and therefore, the utility is better.
In other embodiments, as shown in fig. 1, the first cylinder 4 and the second cylinder 5 are both in a tapered structure, and the surfaces of the first cylinder 4 and the second cylinder 5 are both provided with a sterilization layer; the surfaces of the first barrel 4 and the second barrel 5 are provided with the sterilization layers, so that the germ infection can be avoided, and the safety is improved.
In other embodiments, as shown in fig. 1, the present embodiment discloses that a fixing buckle is disposed on the surface of the injector, and the fixing buckle is connected to the auxiliary bracket; through being equipped with fixed knot on the syringe for the syringe is more stable with being connected of auxiliary stand, is favorable to improving the stability of work.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (6)
1. An injection needle assembly with adjustable injection angle and depth, characterized in that: the injection needle assembly comprises
The syringe, the syringe is injected the section by syringe needle section, liquid medicine and is constituteed jointly, just puncture depth control section is cavity barrel (1), be equipped with frame and push rod mechanism (2) in cavity barrel (1), just the liquid medicine is injected the section and is become by first barrel (4) and second barrel (5), first barrel (4) sliding connection is in cavity barrel (1), second barrel (5) are connected in first barrel (4) inboardly, just the syringe needle section is connected with needle point (7), needle point (7) one end is connected with first barrel (4).
2. The adjustable injection angle and depth needle assembly of claim 1, wherein: the needle point (7) is provided with a conical sleeve joint mechanism, a laser angle measuring mechanism (6) is arranged in the hollow cylinder (1) corresponding to the needle point (7), one end of the second cylinder (5) is communicated with the needle point (7) in the first cylinder (4), a one-way valve (8) and a piston (9) are arranged in the second cylinder (5), and a ball screw mechanism (3) is arranged at one end, far away from the needle point (7), of the second cylinder (5).
3. The adjustable injection angle and depth needle assembly of claim 1, wherein: an auxiliary support is arranged on the outer side of the injector, and the angle of the auxiliary support can be adjusted.
4. The adjustable injection angle and depth needle assembly of claim 1, wherein: the needle point (7) can be set to different specifications.
5. The adjustable injection angle and depth needle assembly of claim 1, wherein: the first cylinder body (4) and the second cylinder body (5) are both of a conical structure, and the surfaces of the first cylinder body (4) and the second cylinder body (5) are both provided with a sterilization layer.
6. The adjustable injection angle and depth needle assembly of claim 1, wherein: the surface of the injector is provided with a fixing buckle, and the fixing buckle is connected with the auxiliary bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210392114.XA CN114848969B (en) | 2022-04-14 | 2022-04-14 | Injection needle assembly with adjustable injection angle and depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210392114.XA CN114848969B (en) | 2022-04-14 | 2022-04-14 | Injection needle assembly with adjustable injection angle and depth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114848969A true CN114848969A (en) | 2022-08-05 |
| CN114848969B CN114848969B (en) | 2023-10-24 |
Family
ID=82630664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210392114.XA Active CN114848969B (en) | 2022-04-14 | 2022-04-14 | Injection needle assembly with adjustable injection angle and depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114848969B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008131440A1 (en) * | 2007-04-23 | 2008-10-30 | Sid Technologies, Llc | Methods and devices for intradermal injection |
| US20140074080A1 (en) * | 2009-01-07 | 2014-03-13 | Folim G. Halaka | Skin cooling apparatus and method |
| JP3194715U (en) * | 2013-09-26 | 2014-12-04 | ベクトン・ディキンソン・アンド・カンパニーＢｅｃｔｏｎ， Ｄｉｃｋｉｎｓｏｎ Ａｎｄ Ｃｏｍｐａｎｙ | Syringe with adjustable insertion depth |
| US20180093049A1 (en) * | 2016-09-30 | 2018-04-05 | William Carson | Syringe guide and method for its use |
| CN209137617U (en) * | 2018-10-17 | 2019-07-23 | 上海交通大学医学院附属第九人民医院 | A kind of accurate syringe of pen-holding type piston |
| CN110478576A (en) * | 2019-09-20 | 2019-11-22 | 灏曦(天津)生物技术有限公司 | A kind of intracutaneous injection needle assemblies of fixed puncture angle and depth |
| CN209848022U (en) * | 2019-02-26 | 2019-12-27 | 张星 | Self-service injection device for treating diabetes |
| CN213667286U (en) * | 2020-04-14 | 2021-07-13 | 中国人民解放军北部战区总医院 | Injector capable of accurately adjusting injection depth |
-
2022
- 2022-04-14 CN CN202210392114.XA patent/CN114848969B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008131440A1 (en) * | 2007-04-23 | 2008-10-30 | Sid Technologies, Llc | Methods and devices for intradermal injection |
| US20140074080A1 (en) * | 2009-01-07 | 2014-03-13 | Folim G. Halaka | Skin cooling apparatus and method |
| JP3194715U (en) * | 2013-09-26 | 2014-12-04 | ベクトン・ディキンソン・アンド・カンパニーＢｅｃｔｏｎ， Ｄｉｃｋｉｎｓｏｎ Ａｎｄ Ｃｏｍｐａｎｙ | Syringe with adjustable insertion depth |
| US20180093049A1 (en) * | 2016-09-30 | 2018-04-05 | William Carson | Syringe guide and method for its use |
| CN209137617U (en) * | 2018-10-17 | 2019-07-23 | 上海交通大学医学院附属第九人民医院 | A kind of accurate syringe of pen-holding type piston |
| CN209848022U (en) * | 2019-02-26 | 2019-12-27 | 张星 | Self-service injection device for treating diabetes |
| CN110478576A (en) * | 2019-09-20 | 2019-11-22 | 灏曦(天津)生物技术有限公司 | A kind of intracutaneous injection needle assemblies of fixed puncture angle and depth |
| CN213667286U (en) * | 2020-04-14 | 2021-07-13 | 中国人民解放军北部战区总医院 | Injector capable of accurately adjusting injection depth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114848969B (en) | 2023-10-24 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Jing Inventor after: Lin Yuanqi Inventor before: Ma Jing |
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| GR01 | Patent grant |