CN113181442A - Special glucocorticoid injection device for joint cavity - Google Patents

Special glucocorticoid injection device for joint cavity Download PDF

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Publication number
CN113181442A
CN113181442A CN202110434092.4A CN202110434092A CN113181442A CN 113181442 A CN113181442 A CN 113181442A CN 202110434092 A CN202110434092 A CN 202110434092A CN 113181442 A CN113181442 A CN 113181442A
Authority
CN
China
Prior art keywords
glucocorticoid
medicine injection
injection device
medicine
needle
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.)
Pending
Application number
CN202110434092.4A
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Chinese (zh)
Inventor
朱华宇
李军
朱靓
李沂泽
韩军涛
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.)
Air Force Medical University of PLA
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Air Force Medical University of PLA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Air Force Medical University of PLA filed Critical Air Force Medical University of PLA
Priority to CN202110434092.4A priority Critical patent/CN113181442A/en
Publication of CN113181442A publication Critical patent/CN113181442A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3472Trocars; Puncturing needles for bones, e.g. intraosseus injections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically

Abstract

The invention discloses a special glucocorticoid injection device for a joint cavity, which relates to the technical field of medical equipment and comprises a medicine injection structure and an extraction structure, wherein the medicine injection structure and the extraction structure are both connected with a needle head, the medicine injection structure is arranged on a first bracket, and the medicine injection structure is in transmission connection with a first driving mechanism on the first bracket. The medicine injection structure and the extraction structure of the invention adopt the same needle head, when effusion needs to be extracted, extraction is carried out through the extraction structure, when medicine needs to be injected, medicine injection is carried out through the medicine injection structure, and the medicine injection structure realizes uniform motion through the first driving mechanism, so that discomfort of a patient caused by uneven medicine injection force is avoided. The invention is convenient to operate, can reduce the pain of patients and reduce the fatigue of medical care personnel.

Description

Special glucocorticoid injection device for joint cavity
Technical Field
The invention relates to the technical field of medical equipment, in particular to a special glucocorticoid injection device for joint cavities.
Background
In the prior art, generally, the effusion in the joint cavity is extracted by one injector, then the medicine is injected by the other injector, and the extraction-insertion is repeatedly carried out for many times, so that iatrogenic infection is easily caused, and the extraction-insertion for many times can bring more pain to a patient.
In addition, the injection of the medicine is often carried out manually, the situation that the time is fast and slow due to the fact that the force of hands for pushing and extruding the injection rod is not uniform causes discomfort symptoms such as tingling or pain of the medicine application part of a patient, the pain of the patient is increased, manual operation is used, long-time accumulation is caused, the fatigue of medical staff is easy to generate, and potential safety hazards exist to medical work.
Disclosure of Invention
The invention aims to provide a special glucocorticoid injection device for a joint cavity, which solves the problems in the prior art, does not need to pull out and insert a needle for multiple times, reduces the pain of a patient and realizes the uniform injection of drugs.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a special glucocorticoid injection device for a joint cavity, which comprises a medicine injection structure and an extraction structure, wherein the medicine injection structure and the extraction structure are both connected with a needle head, the medicine injection structure is arranged on a first bracket, and the medicine injection structure is in transmission connection with a first driving mechanism on the first bracket.
Preferably, the first driving mechanism comprises a hydraulic cylinder, a push plate is arranged at the piston end of the hydraulic cylinder, the push plate is connected with the first support in a sliding manner, and one end of the push plate is connected with a push rod of the medicine injection structure.
Preferably, the drug injection structure is arranged on the first bracket through a first fixing structure, the first fixing structure comprises a fixing plate and a plurality of elastic elements, one end of each elastic element is fixedly connected with the inner wall of the first bracket, the other end of each elastic element is fixedly connected with the outer wall of the fixing plate, and the shape of the inner wall of the fixing plate is matched with the shape of the drug injection structure.
Preferably, the inner wall of the fixing plate is covered with a rubber layer.
Preferably, the special glucocorticoid injection device for the joint cavity further comprises a three-way valve, the drug injection structure is communicated with the three-way valve through a first pipeline, the extraction structure is communicated with the three-way valve through a second pipeline, and the needle head is communicated with the three-way valve through a third pipeline;
the first pipeline is provided with a liquid storage bag.
Preferably, a limiting plate is arranged at the bottom of the first support, the drug injection structure is arranged on the limiting plate, and the first pipeline penetrates through a through hole in the limiting plate to be communicated with the drug injection structure.
Preferably, the drug injection structure is a syringe; the extraction structure is a syringe or a negative pressure bag.
Preferably, the syringe needle includes hollow syringe needle body, the one end of syringe needle body is connecting portion, the other end of syringe needle body is the needle point, the needle point is the inclined plane, is close to the needle point be provided with a plurality of baffles in the syringe needle body, a plurality of the baffle will the syringe needle body divide into a plurality of passageways.
Preferably, a plurality of strip-shaped grooves are formed in the side wall of the needle body, close to the needle point, and the strip-shaped grooves extend to the needle point.
Preferably, the side wall of the needle body is provided with a plurality of injection holes.
Compared with the prior art, the invention has the following technical effects:
the medicine injection structure and the extraction structure of the invention adopt the same needle head, when effusion needs to be extracted, extraction is carried out through the extraction structure, when medicine needs to be injected, medicine injection is carried out through the medicine injection structure, and the medicine injection structure realizes uniform motion through the first driving mechanism, so that discomfort of a patient caused by uneven medicine injection force is avoided. The invention is convenient to operate, can reduce the pain of patients and reduce the fatigue of medical care personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a glucocorticoid-specific injection device for joint cavities according to the present invention (embodiment one);
FIG. 2 is a schematic view of a needle of the present invention;
FIG. 3 is a cross-sectional view of the tip of the needle of the present invention;
FIG. 4 is a schematic structural diagram of a glucocorticoid-specific injection device for joint cavities according to the present invention (example II);
wherein: 100-a glucocorticoid special injection device for a joint cavity, 1-a drug injection structure, 2-a drawing structure, 3-a needle, 4-a first support, 5-a first driving mechanism, 6-a push plate, 7-a push rod, 8-a first fixing structure, 9-a fixing plate, 10-an elastic element, 11-a rubber layer, 12-a three-way valve, 13-a first pipeline, 14-a second pipeline, 15-a third pipeline, 16-a liquid storage bag, 17-a limiting plate, 18-a needle body, 19-a connecting part, 20-a needle point, 21-a partition plate, 22-a channel, 23-a strip-shaped groove, 24-an injection hole, 25-a second support, 26-a second driving mechanism and 27-a second fixing structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a special glucocorticoid injection device for a joint cavity, which solves the problems in the prior art, does not need to pull out and insert a needle for multiple times, reduces the pain of a patient and realizes the uniform injection of drugs.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1-3: the embodiment provides a special injection device 100 of glucocorticoid for articular cavity, including medicine injection structure 1 and extraction structure 2, medicine injection structure 1 and extraction structure 2 all are connected with syringe needle 3, and medicine injection structure 1 sets up on first support 4, and medicine injection structure 1 is connected with the transmission of first actuating mechanism 5 on first support 4. The medicine of this embodiment injects structure 1 and extracts structure 2 and adopts same syringe needle 3, when needs extraction hydrops, extracts through extraction structure 2, when needing injection medicine (glucocorticoid), carries out the medicine injection through medicine injection structure 1, and medicine injection structure 1 realizes the uniform motion through first actuating mechanism 5, avoids the patient that the medicine injection dynamics is inhomogeneous to lead to uncomfortable. This embodiment convenient operation can reduce patient's misery, reduces medical personnel's tired sense.
Specifically, in this embodiment, the first driving mechanism 5 includes a hydraulic cylinder, a push plate 6 is disposed at a piston end of the hydraulic cylinder, the push plate 6 is slidably connected to the first bracket 4, and one end of the push plate 6 is connected to one end of a push rod 7 of the drug injection structure 1. The cylinder body of the hydraulic cylinder is arranged on the first bracket 4, and the piston end passes through the first bracket 4.
In this embodiment, the drug injection structure 1 is disposed on the first support 4 through the first fixing structure 8, the first fixing structure 8 includes a plurality of fixing plates 9 and a plurality of elastic elements 10, one end of each elastic element 10 is fixedly connected to the inner wall of the first support 4, the other end of each elastic element 10 is fixedly connected to the outer wall of the fixing plate 9, and the shape of the inner wall of the fixing plate 9 is matched with the shape of the drug injection structure 1. The elastic element 10 is a spring, and the elastic element 10 pushes the fixing plates 9 to fix the medicine injection structure 1 between the fixing plates 9.
In this embodiment, the inner wall of the fixing plate 9 is covered with the rubber layer 11, and the rubber layer 11 can not only increase the friction between the first fixing structure 8 and the drug injection structure 1, but also prevent the fixing plate 9 from damaging the drug injection structure 1.
In this embodiment, the injection device 100 for glucocorticoid for joint cavities further includes a three-way valve 12, the drug injection structure 1 is communicated with the three-way valve 12 through a first pipeline 13, the extraction structure 2 is communicated with the three-way valve 12 through a second pipeline 14, and the needle 3 is communicated with the three-way valve 12 through a third pipeline 15; the first pipeline 13 is provided with a liquid storage bag 16. When the accumulated liquid is pumped, the first pipeline 13 is closed, and the second pipeline 14 is communicated with the third pipeline 15; when the medicine is injected, the second channel 14 is closed and the first channel 13 is in communication with the third channel 15.
In this embodiment, the bottom of first support 4 is provided with limiting plate 17, and medicine injection structure 1 sets up on limiting plate 17, and first pipeline 13 passes the through-hole on limiting plate 17 and communicates with medicine injection structure 1. The limiting plate 17 and the first fixing structure 8 act together to prevent the medicine injection structure 1 from moving.
In this embodiment, the medicine injection structure 1 is an injector; the extraction structure 2 is a syringe or a negative pressure bag.
In this embodiment, the needle 3 includes a hollow needle body 18, one end of the needle body 18 is a connecting portion 19, the other end of the needle body 18 is a needle point 20, the needle point 20 is an inclined plane, a plurality of partition plates 21 are arranged in the needle body 18 close to the needle point 20, the needle body 18 is divided into a plurality of channels 22 by the plurality of partition plates 21, the plurality of partition plates 21 can prevent foreign matters from entering the needle body 18, and the needle point 20 is prevented from being blocked.
In this embodiment, the side wall of the needle body 18 close to the needle point 20 is provided with a plurality of strip-shaped grooves 23, and the strip-shaped grooves 23 extend to the needle point 20; the side wall of the needle body 18 is provided with a plurality of injection holes 24. When the needle tip 20 is blocked, the medicine can flow out through the strip groove 23 or the injection hole 24, and when the effusion is extracted, the strip groove 23 and the injection hole 24 can realize multi-position simultaneous extraction.
The embodiment can be used for independently extracting the effusion or injecting the medicine, and also can realize the effusion and the medicine injection in one operation. When the embodiment is adopted to extract the accumulated liquid, the first pipeline 13 is closed, the second pipeline 14 is communicated with the third pipeline 15, and the extraction structure 2 is used for extracting the accumulated liquid; when adopting this embodiment injection medicine, will treat that injection medicine suction is in medicine injection structure 1, fix medicine injection structure 1 through first fixed knot constructs 8, and first pipeline 13 is connected with medicine injection structure 1, and second pipeline 14 closes, and first pipeline 13 communicates with third pipeline 15, and first actuating mechanism 5 works, and the piston end promotes medicine injection structure 1's push rod 7, realizes the at the uniform velocity injection of medicine. This embodiment has avoided syringe needle 3 to get into the patient internal repeatedly many times, has reduced patient's misery, and the at the uniform velocity injection medicine has reduced patient's uncomfortable sense, injects the medicine through first actuating mechanism 5, has reduced medical personnel's tired sense.
Example two
As shown in fig. 4: the difference between this embodiment and the first embodiment is: when the extracting structure 2 of this embodiment is a syringe, the extracting structure 2 is fixed on the second bracket 25 through the second fixing structure 27, and the second driving mechanism 26 drives to extract the accumulated liquid. The second fixing structure 27 is identical to the first fixing structure 8, the second bracket 25 is identical to the first bracket 4, and the second driving mechanism 26 is identical to the first driving mechanism 5.
Specifically, in this embodiment, the first driving mechanism 26 includes a hydraulic cylinder, a piston end of the hydraulic cylinder is provided with a push plate 6, the push plate 6 is slidably connected with the second bracket 25, and one end of the push plate 6 is connected with one end of the push rod 7 of the extraction structure 2. The cylinder body of the hydraulic cylinder is arranged on the second bracket 25, and the piston end is arranged through the second bracket 25.
In this embodiment, the extracting structure 2 is disposed on the second bracket 25 through the second fixing structure 27, the second fixing structure 27 includes a plurality of fixing plates 9 and a plurality of elastic elements 10, one end of each elastic element 10 is fixedly connected to the inner wall of the second bracket 25, the other end of each elastic element 10 is fixedly connected to the outer wall of the fixing plate 9, and the shape of the inner wall of the fixing plate 9 matches the shape of the extracting structure 2. The elastic element 10 is a spring, and the elastic element 10 pushes the fixing plates 9 to fix the extracting structure 2 among the fixing plates 9.
In this embodiment, the inner wall of the fixed plate 9 is covered with a rubber layer 11.
In this embodiment, the bottom of second support 25 is provided with limiting plate 17, and extraction structure 2 sets up on limiting plate 17, and second pipeline 14 passes the through-hole on limiting plate 17 and communicates with extraction structure 2. The limit plate 17, acting together with the second fixed structure 27, prevents the extraction structure 2 from moving.
The embodiment can realize uniform extraction.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. A glucocorticoid-specific injection device for use in joint cavities, characterized by: including medicine injection structure and extraction structure, the medicine injection structure with the extraction structure all is connected with the syringe needle, the medicine injection structure sets up on first support, the medicine injection structure with first actuating mechanism transmission on the first support is connected.
2. The glucocorticoid-specific injection device for use in the joint cavities according to claim 1, characterized in that: the first driving mechanism comprises a hydraulic cylinder, a push plate is arranged at the piston end of the hydraulic cylinder, the push plate is connected with the first support in a sliding mode, and one end of the push plate is connected with a push rod of the medicine injection structure.
3. The glucocorticoid-specific injection device for use in the joint cavities according to claim 1, characterized in that: the medicine injection structure is arranged on the first support through a first fixing structure, the first fixing structure comprises a fixing plate and a plurality of elastic elements, one end of each elastic element is fixedly connected with the inner wall of the first support, the other end of each elastic element is fixedly connected with the outer wall of the fixing plate, and the shape of the inner wall of the fixing plate is matched with that of the medicine injection structure.
4. The glucocorticoid-specific injection device for use in the joint cavities according to claim 3, characterized in that: the inner wall of the fixed plate is covered with a rubber layer.
5. The glucocorticoid-specific injection device for use in the joint cavities according to claim 1, characterized in that: the special glucocorticoid injection device for the joint cavity further comprises a three-way valve, the drug injection structure is communicated with the three-way valve through a first pipeline, the extraction structure is communicated with the three-way valve through a second pipeline, and the needle head is communicated with the three-way valve through a third pipeline;
the first pipeline is provided with a liquid storage bag.
6. The glucocorticoid-specific injection device for use in the joint cavities according to claim 5, characterized in that: the bottom of the first support is provided with a limiting plate, the medicine injection structure is arranged on the limiting plate, and the first pipeline penetrates through a through hole in the limiting plate and is communicated with the medicine injection structure.
7. The glucocorticoid-specific injection device for use in the joint cavities according to claim 1, characterized in that: the medicine injection structure is an injector; the extraction structure is a syringe or a negative pressure bag.
8. The glucocorticoid-specific injection device for use in the joint cavities according to claim 1, characterized in that: the needle head comprises a hollow needle head body, one end of the needle head body is a connecting part, the other end of the needle head body is a needle point, the needle point is an inclined plane and is close to the needle point, a plurality of partition plates are arranged in the needle head body, and the partition plates divide the needle head body into a plurality of channels.
9. The glucocorticoid-specific injection device for use in the joint cavities according to claim 8, characterized in that: a plurality of strip-shaped grooves are formed in the side wall of the needle body and close to the needle point, and the strip-shaped grooves extend to the needle point.
10. The glucocorticoid-specific injection device for use in the joint cavities according to claim 8, characterized in that: the side wall of the needle head body is provided with a plurality of injection holes.
CN202110434092.4A 2021-04-16 2021-04-16 Special glucocorticoid injection device for joint cavity Pending CN113181442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110434092.4A CN113181442A (en) 2021-04-16 2021-04-16 Special glucocorticoid injection device for joint cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110434092.4A CN113181442A (en) 2021-04-16 2021-04-16 Special glucocorticoid injection device for joint cavity

Publications (1)

Publication Number Publication Date
CN113181442A true CN113181442A (en) 2021-07-30

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130150752A1 (en) * 2011-12-12 2013-06-13 Karl W. Swann Apparatus for Bone Aspiration
CN204502064U (en) * 2015-03-18 2015-07-29 中国人民解放军第四军医大学 A kind of craniocerebral operations postoperation subcutaneous hydrops drainage device
CN204618944U (en) * 2014-11-16 2015-09-09 苑超 A kind of novel tumor section hydrops extractor
CN105286959A (en) * 2015-11-16 2016-02-03 华中科技大学同济医学院附属协和医院 Joint puncture effusion suction and injection device
CN205339748U (en) * 2015-12-30 2016-06-29 邵明忠 Adjustable anesthetic syringe with dose suggestion effect
CN205759032U (en) * 2016-04-29 2016-12-07 中国人民解放军第四军医大学 The syringe that a kind of arthroedema extracts and drug injection is two-in-one
CN207168790U (en) * 2016-12-22 2018-04-03 孙正明 A kind of Bones and joints intracavitary direct projection motoring syringe
CN208926530U (en) * 2017-09-01 2019-06-04 侯景义 Puncture needle and syringe
CN208959000U (en) * 2018-09-12 2019-06-11 鹰潭荣嘉集团医疗器械实业有限公司 One kind subtracting pain injection needle
CN211273018U (en) * 2019-10-29 2020-08-18 李孝争 Puncture needle head for anesthesia

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130150752A1 (en) * 2011-12-12 2013-06-13 Karl W. Swann Apparatus for Bone Aspiration
CN204618944U (en) * 2014-11-16 2015-09-09 苑超 A kind of novel tumor section hydrops extractor
CN204502064U (en) * 2015-03-18 2015-07-29 中国人民解放军第四军医大学 A kind of craniocerebral operations postoperation subcutaneous hydrops drainage device
CN105286959A (en) * 2015-11-16 2016-02-03 华中科技大学同济医学院附属协和医院 Joint puncture effusion suction and injection device
CN205339748U (en) * 2015-12-30 2016-06-29 邵明忠 Adjustable anesthetic syringe with dose suggestion effect
CN205759032U (en) * 2016-04-29 2016-12-07 中国人民解放军第四军医大学 The syringe that a kind of arthroedema extracts and drug injection is two-in-one
CN207168790U (en) * 2016-12-22 2018-04-03 孙正明 A kind of Bones and joints intracavitary direct projection motoring syringe
CN208926530U (en) * 2017-09-01 2019-06-04 侯景义 Puncture needle and syringe
CN208959000U (en) * 2018-09-12 2019-06-11 鹰潭荣嘉集团医疗器械实业有限公司 One kind subtracting pain injection needle
CN211273018U (en) * 2019-10-29 2020-08-18 李孝争 Puncture needle head for anesthesia

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Application publication date: 20210730