CN113069640A - Medical multi-head injection device - Google Patents

Medical multi-head injection device Download PDF

Info

Publication number
CN113069640A
CN113069640A CN202110164528.2A CN202110164528A CN113069640A CN 113069640 A CN113069640 A CN 113069640A CN 202110164528 A CN202110164528 A CN 202110164528A CN 113069640 A CN113069640 A CN 113069640A
Authority
CN
China
Prior art keywords
needle
parallel edge
injection device
medical multi
medicine
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
CN202110164528.2A
Other languages
Chinese (zh)
Inventor
王泽智
关鸿杰
张根荣
陈致东
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.)
Shenzhen Llg Biotechnology Co ltd
Original Assignee
Shenzhen Llg Biotechnology Co ltd
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 Shenzhen Llg Biotechnology Co ltd filed Critical Shenzhen Llg Biotechnology Co ltd
Priority to CN202110164528.2A priority Critical patent/CN113069640A/en
Publication of CN113069640A publication Critical patent/CN113069640A/en
Pending legal-status Critical Current

Links

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
    • A61M5/178—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
    • A61M5/3295—Multiple needle devices, e.g. a plurality of needles arranged coaxially or in parallel
    • A61M5/3298—Needles arranged in parallel

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a medical multi-head injection device, which comprises: a needle base and a needle sleeve; the needle seat comprises a medicine guide tube, a medicine distribution plate and a needle head; the end surface of the needle sleeve at the end of the needle extending out is parallelogram; the parallelogram comprises two first parallel sides and two second parallel sides; the needles are suitable for being uniformly distributed along the track directions of the first parallel edge and the second parallel edge; the distance from the needle head close to the first parallel edge along the track direction of the second parallel edge is equal to half of the distance between two adjacent needle heads along the track direction of the second parallel edge; the distance from the needle near the second parallel edge to the second parallel edge along the track direction of the first parallel edge is equal to half of the distance between two adjacent needles along the track direction of the first parallel edge. The medical multi-head injection device can simultaneously inject a plurality of needles, thereby improving the injection effect.

Description

Medical multi-head injection device
Technical Field
The invention relates to the technical field of medical equipment, in particular to a medical multi-head injection device.
Background
In recent years, along with the development of economy, medical cosmetology is increasingly accepted by society, along with the improvement of the demand of people on cosmetology, medical cosmetology technology is continuously developed, and simple, safe and painless medical cosmetology modes emerge continuously. In the medical beauty field, as the non-operative injection beauty becomes the mainstream trend of the development of the plastic beauty industry, the market scale of the injection needle is also continuously expanded.
Currently, the mainstream cosmetic injection needles on the market include disposable injection needles, microcrystalline needles and the like. Disposable syringe needle is mainly a syringe needle, and it is when carrying out cosmetic injection hyaluronic acid, owing to need carry out the injection of comprehensive portion, every injection site has the volume of several milligrams only, so just need carry out hundreds of injections, has increased the loaded down with trivial details nature and the degree of difficulty of operation on the one hand, and on the other hand injection number of times is many, also can bring comparatively painful experience for the later stage, feels very not good. The microcrystalline needle mainly grinds the stratum corneum into thin and then coats the medicine on the surface of the skin, so that absorption is facilitated, but compared with an injection needle, the microcrystalline needle has the advantages of being fast in effect, long in duration and better and obvious in effect because the injection needle does not directly inject the medicine (such as hyaluronic acid).
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a medical multi-head injection device which can inject a plurality of needles simultaneously and improve the injection effect.
The purpose of the invention is realized by adopting the following technical scheme:
a medical multi-tip injection device comprising: a needle base and a needle sleeve; the needle seat comprises a medicine guide tube, a medicine distribution plate and a needle head; the medicine outlet end of the medicine guide pipe is communicated with the medicine distribution disc; a plurality of medicine outlet holes are formed in the medicine distribution plate, and the needle heads are arranged in the medicine outlet holes; the needle seat is connected in the needle sleeve, and the needle head is suitable for extending out of the needle sleeve;
the end surface of the needle sleeve at the end of the needle extending out is in a parallelogram shape; the parallelogram comprises two first parallel sides and two second parallel sides; the needles are suitable for being uniformly distributed along the track directions of the first parallel edge and the second parallel edge; the distance from the needle head close to the first parallel edge along the track direction of the second parallel edge is equal to half of the distance between two adjacent needle heads along the track direction of the second parallel edge; the distance from the needle near the second parallel edge to the second parallel edge along the track direction of the first parallel edge is equal to half of the distance between two adjacent needles along the track direction of the first parallel edge.
Further, the needle seat also comprises a needle head fixing seat; the syringe needle fixing base with divide batch pan fixed connection, set up the confession on the syringe needle fixing base the fixed orifices that the syringe needle stretches out, the fixed orifices with syringe needle interference fit.
Further, the medicine outlet end of the medicine guide tube is provided with a sealing plate, the sealing plate is suitable for forming a buffer space between the medicine distribution discs, and the sealing plate is in sealing fit with the medicine distribution discs.
Further, the number of the needles is 9.
Further, the number of the needles is 12.
Further, the medical multi-head injection device also comprises a screw cap; the rotary cover is rotatably connected with one end of the needle sleeve far away from the needle head; the needle seat is connected in the needle sleeve in a sliding manner; the outer wall of the medicine guide tube is provided with an external thread, and the screw cap is provided with an internal thread matched with the external thread; the screw cap rotates to adjust the length of the needle extending out of the needle sleeve.
Further, the length range of the needle head extending out of the needle sleeve is 0-2.5 mm.
Furthermore, the needle sleeve is provided with a guide hole in one end of the needle head extending out, and a guide post is arranged on the needle head fixing seat.
Furthermore, a sealing structure is arranged at one end of the screw cap and the needle sleeve, which is far away from the needle head; the needle sleeve is communicated with a negative pressure suction pipe, and the negative pressure suction pipe is suitable for being connected with an external negative pressure machine.
Furthermore, a sealing structure is arranged between the needle seat and the inner wall of the needle sleeve, and the negative pressure suction pipe is positioned below the needle head fixing seat.
Compared with the prior art, the invention has the beneficial effects that: in the above setting mode, the number of the needles is multiple, so that injection can be performed simultaneously, the operation is convenient, the injection time can be saved, and the pain experience brought to a user for many times is avoided. In addition, when the multi-head injection device is used for injection, the distance from the needle head close to the first parallel edge along the track direction of the second parallel edge is equal to half of the distance between two adjacent needle heads along the track direction of the second parallel edge; the distance from the needle head close to the second parallel edge along the track direction of the first parallel edge is equal to half of the distance between two adjacent needle heads along the track direction of the first parallel edge; so through the impression that injection was left at every turn, the impression coincidence that next injection was left as long as with last can accomplish whole equidistant injection, and the accuracy is high, and easy operation has promoted the injection effect.
Drawings
FIG. 1 is an exploded view of a medical multi-headed injection device of the present invention with a needle number of 9;
FIG. 2 is a bottom view of the medical multi-headed injection device of the present invention with a needle number of 9;
FIG. 3 is a cross-sectional view of the medical multi-headed injection device of the present invention with a needle number of 9;
FIG. 4 is an exploded view of the medical multi-headed injection device of the present invention with the number of needles being 12;
FIG. 5 is a bottom view of the medical multi-headed injection device of the present invention with the number of needles being 12;
FIG. 6 is a cross-sectional view showing the number of needles of the medical multi-headed injection device of the present invention being 12;
fig. 7 is a schematic view of the medical multi-headed injection device of the invention at equal intervals for injection, wherein the number of needles is 9, and the end surface of the needle sheath at the end from which the needles extend is square.
In the figure: 11. a drug guide tube; 111. closing the plate; 112. an external thread; 12. a medicine distributing tray; 121. a medicine outlet hole; 13. a needle head; 14. a needle head fixing seat; 141. a guide post; 2. a needle sleeve; 21. a guide hole; 22. a negative pressure suction pipe; 3. screwing a cover; 31. an internal thread.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-6, a medical multi-head injection device provided by an embodiment of the invention is shown. It at least comprises a needle seat and a needle sleeve 2; the needle seat comprises a medicine guide tube 11, a medicine distribution plate 12 and a needle head 13; the medicine outlet end of the medicine guide tube 11 is communicated with the medicine distribution plate 12; the medicine distribution plate 12 is provided with a plurality of medicine outlet holes 121, and needles 13 are arranged in the medicine outlet holes 121; the needle seat is connected in the needle sleeve 2, and the needle head 13 is suitable for extending out of the needle sleeve 2; the end surface of the needle sleeve 2 at the end where the needle head 13 extends out is in a parallelogram shape; the parallelogram comprises two first parallel sides and two second parallel sides; the needles 13 are suitable for being uniformly distributed along the track direction of the first parallel edge and the second parallel edge; the distance from the needle head 13 close to the first parallel edge along the track direction of the second parallel edge is equal to half of the distance between two adjacent needle heads 13 along the track direction of the second parallel edge; the distance from the needle 13 near the second parallel edge to the second parallel edge along the track direction of the first parallel edge is equal to half of the distance between two adjacent needles 13 along the track direction of the first parallel edge. In particular, the parallelogram may preferably be square. It should be noted that when the sides of the parallelogram have a certain width, the first parallel side and the second parallel side are referred to as the median of the parallel sides.
In the above setting mode, the number of the needles 13 is multiple, so that injection can be performed simultaneously, the operation is convenient, the injection time can be saved, and the pain experience brought to a user for many times is avoided. In addition, when the multi-head injection device is used for injection, the distance from the needle head 13 close to the first parallel edge along the track direction of the second parallel edge is equal to half of the distance between two adjacent needle heads 13 along the track direction of the second parallel edge; the distance from the needle head 13 close to the second parallel edge along the track direction of the first parallel edge is equal to half of the distance between two adjacent needle heads 13 along the track direction of the first parallel edge; so through the impression that injection was left at every turn, the impression that next injection was left as long as with last just can accomplish whole equidistant injection at the edge coincidence, and the accuracy is high, and easy operation has promoted the injection effect. Referring specifically to the schematic diagram of fig. 7, it is apparent that the distance between two adjacent needles is 2A, and equidistant injection is realized.
As a preferred embodiment, the needle mount further comprises a needle mount 14; the needle fixing seat 14 is fixedly connected with the medicine distribution plate 12, a fixing hole for the needle 13 to extend out is formed in the needle fixing seat 14, and the fixing hole is in interference fit with the needle 13. The needle 13 can be ensured to be reliable during injection by arranging the needle holder 14.
Preferably, the medicine discharging end of the medicine guiding tube 11 is provided with a sealing plate 111, a buffer space is suitable to be formed between the sealing plate 111 and the medicine distributing plate 12, and the sealing plate 111 is in sealing fit with the medicine distributing plate 12. Through the arrangement mode, a certain buffer space can be provided for the liquid medicine, the liquid medicine can be prevented from leaking, and the reliability in injection is ensured.
Preferably, the number of needles 13 is 9, 12 or 16. It should be noted that the specific number of needles 13 is not limited in the present invention, and can be selected adaptively in practical application.
Preferably, the medical multi-head injection device further comprises a screw cap 3; the rotary cover 3 is rotatably connected with one end of the needle sleeve 2 far away from the needle head 13; the needle seat is connected in the needle sleeve 2 in a sliding way; the outer wall of the medicine guide tube 11 is provided with an external thread 112, and the screw cap 3 is provided with an internal thread 31 matched with the external thread 112; the cap 3 is rotated to adjust the length of the needle 13 extending from the sleeve 2. In particular, the length of the needle 13 extending out of the sleeve 2 is in the range of 0-2.5 mm. Through foretell setting mode, can adjust out needle length by oneself according to the needs of hypodermic depth to reach more accurate effectual injection.
Preferably, the needle sleeve 2 is provided with a guide hole 21 at the end of the needle 13 extending out, and the needle holder 14 is provided with a guide post 141. The adjustment of the needle length is made more reliable by the cooperation of the guide hole 21 and the guide post 141.
Preferably, the screw cap 3 and one end of the needle sleeve 2, which extends away from the needle 13, are further provided with a sealing structure; the needle sleeve 2 is communicated with a negative pressure suction pipe 22, and the negative pressure suction pipe 22 is suitable for being connected with an external negative pressure machine. It should be noted that the sealing structure may be implemented by using a mechanical seal commonly known in the art. Through foretell mode of setting, after the length adjustment of going out the needle, can start the negative pressure machine, under the negative pressure effect of negative pressure machine, can suck up the skin, when sucking up, under the automatic stratum corneum that pierces of syringe needle 13, need not artificial operation of pricking again, the degree of depth of pricking is just for going out the needle length simultaneously. The mode is convenient and fast, errors caused by manual operation can be reduced, and accurate and safe injection is realized.
Preferably, a sealing structure is arranged between the needle seat and the inner wall of the needle sleeve 2, and the negative pressure suction pipe 22 is positioned below the needle fixing seat 14. Through such a setting mode, can further promote the leakproofness to promote the negative pressure effect, guarantee the reliability of injection.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A medical multi-tip injection device, comprising: a needle base and a needle sleeve; the needle seat comprises a medicine guide tube, a medicine distribution plate and a needle head; the medicine outlet end of the medicine guide pipe is communicated with the medicine distribution disc; a plurality of medicine outlet holes are formed in the medicine distribution plate, and the needle heads are arranged in the medicine outlet holes; the needle seat is connected in the needle sleeve, and the needle head is suitable for extending out of the needle sleeve;
the end surface of the needle sleeve at the end of the needle extending out is in a parallelogram shape; the parallelogram comprises two first parallel sides and two second parallel sides; the needles are suitable for being uniformly distributed along the track directions of the first parallel edge and the second parallel edge; the distance from the needle head close to the first parallel edge along the track direction of the second parallel edge is equal to half of the distance between two adjacent needle heads along the track direction of the second parallel edge; the distance from the needle near the second parallel edge to the second parallel edge along the track direction of the first parallel edge is equal to half of the distance between two adjacent needles along the track direction of the first parallel edge.
2. The medical multi-headed injection device according to claim 1, wherein: the needle seat also comprises a needle head fixing seat; the syringe needle fixing base with divide batch pan fixed connection, set up the confession on the syringe needle fixing base the fixed orifices that the syringe needle stretches out, the fixed orifices with syringe needle interference fit.
3. The medical multi-headed injection device according to claim 1, wherein: the medicine outlet end of the medicine guide tube is provided with a sealing plate, the sealing plate is suitable for forming a buffer space between the medicine distribution discs, and the sealing plate is in sealing fit with the medicine distribution discs.
4. The medical multi-headed injection device according to claim 1, wherein: the number of the needles is 9.
5. The medical multi-headed injection device according to claim 1, wherein: the number of the needles is 12.
6. The medical multi-headed injection device according to claim 2, wherein: the medical multi-head injection device also comprises a screw cap; the rotary cover is rotatably connected with one end of the needle sleeve far away from the needle head; the needle seat is connected in the needle sleeve in a sliding manner; the outer wall of the medicine guide tube is provided with an external thread, and the screw cap is provided with an internal thread matched with the external thread; the screw cap rotates to adjust the length of the needle extending out of the needle sleeve.
7. The medical multi-headed injection device according to claim 6, wherein: the length range of the needle head extending out of the needle sleeve is 0-2.5 mm.
8. The medical multi-headed injection device according to claim 6, wherein: the needle sleeve is provided with a guide hole in one end of the needle extending out, and the needle fixing seat is provided with a guide column.
9. The medical multi-headed injection device according to claim 6, wherein: the rotary cover and one end of the needle sleeve, which is far away from the needle head, are also provided with a sealing structure; the needle sleeve is communicated with a negative pressure suction pipe, and the negative pressure suction pipe is suitable for being connected with an external negative pressure machine.
10. The medical multi-headed injection device according to claim 9, wherein: and a sealing structure is arranged between the needle seat and the inner wall of the needle sleeve, and the negative pressure suction tube is positioned below the needle head fixing seat.
CN202110164528.2A 2021-02-05 2021-02-05 Medical multi-head injection device Pending CN113069640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110164528.2A CN113069640A (en) 2021-02-05 2021-02-05 Medical multi-head injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110164528.2A CN113069640A (en) 2021-02-05 2021-02-05 Medical multi-head injection device

Publications (1)

Publication Number Publication Date
CN113069640A true CN113069640A (en) 2021-07-06

Family

ID=76609924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110164528.2A Pending CN113069640A (en) 2021-02-05 2021-02-05 Medical multi-head injection device

Country Status (1)

Country Link
CN (1) CN113069640A (en)

Similar Documents

Publication Publication Date Title
RU2581253C2 (en) Disposable multi-needle head for injections and pre-filled syringe
CN103341228B (en) A kind of prefilled syringe
US20140128810A1 (en) Percutaneous medication device and needle formation used for the device
JP7433219B2 (en) Manual injection device
EP3820549A1 (en) Syringe assembly
JP2012100783A (en) Liquid medicine supply device
CN103127586A (en) Metal needle tube array component and disposable array type injection needle head formed by metal needle tube array component
CN209848022U (en) Self-service injection device for treating diabetes
CN215780590U (en) Medical multi-head injection device
JP4153736B2 (en) Needle
CN113069640A (en) Medical multi-head injection device
CN211132499U (en) Intradermal injection needle assembly with fixed puncture angle and depth
JP2008200528A (en) Injection needle
CN203408309U (en) Disposable multi-needle tube injection needle and prefilled injector comprising same
CN215780969U (en) Skin mesoderm syringe needle
CN204208136U (en) Needleless injector
CN110227203A (en) Subcutaneous microneedle injection device and subcutaneous injection box set
CN110339475A (en) Spininess pipe array and injection needle and syringe with it
CN215083482U (en) Automatic injection device of chemotherapy medicine
CN219049861U (en) Acupoint injector
RU187055U1 (en) The cutaneous device of the system of repeated subcutaneous administration of a solution of medicinal substances
CN207654527U (en) A kind of intraperitoneal administration indwelling equipment
JP2003135598A (en) Method of local dispersed injection and needle device
CN205108580U (en) Multi -functional disposable syringe
CN211884817U (en) Emergency medicine injection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination