CN116458976A - Multi-track drip irrigation type injector - Google Patents

Multi-track drip irrigation type injector Download PDF

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Publication number
CN116458976A
CN116458976A CN202310535808.9A CN202310535808A CN116458976A CN 116458976 A CN116458976 A CN 116458976A CN 202310535808 A CN202310535808 A CN 202310535808A CN 116458976 A CN116458976 A CN 116458976A
Authority
CN
China
Prior art keywords
needle
drip irrigation
track
puncture
type injector
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.)
Withdrawn
Application number
CN202310535808.9A
Other languages
Chinese (zh)
Inventor
方明
刘尧
宗剑
林丽燕
沙甜甜
邹军
吴一珍
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.)
Affiliated Hospital of Jiangnan University
Original Assignee
Affiliated Hospital of Jiangnan University
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 Affiliated Hospital of Jiangnan University filed Critical Affiliated Hospital of Jiangnan University
Priority to CN202310535808.9A priority Critical patent/CN116458976A/en
Publication of CN116458976A publication Critical patent/CN116458976A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A61B2017/3405—Needle locating or guiding means using mechanical guide means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B2017/3445—Cannulas used as instrument channel for multiple instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454—Details of tips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (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 multi-track drip irrigation type injector, which relates to the technical field of medical auxiliary instruments, and can carry out multi-point injection administration at a focus part under the condition of single-point puncture, and the specific scheme is as follows: the puncture needle comprises a tip and a connecting end which are respectively positioned at two sides, and at least two tracks are arranged in the tip to the connecting end in a penetrating way; the diameter of the drainage needle is smaller than the inner diameter of the track, a plurality of through holes are formed in the side wall of the needle head of the drainage needle, and the length of the drainage needle is longer than that of the puncture needle; the multi-track drip irrigation type injector provided by the invention can realize single-point puncture and multi-point injection; the multi-track drip irrigation type injector is provided with mutually independent tracks, and can perform quantitative drug administration at different points; the multi-track drip irrigation type injector has the advantages of simple structure, good use effect and good economical efficiency and practicability.

Description

Multi-track drip irrigation type injector
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a multi-track drip irrigation type injector.
Background
The puncture needle is a medical instrument for sampling and injecting the tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate gland, pancreas, testis, uterus, ovary, body surface and the like in the minimally invasive surgery.
The traditional injection needle administration position is limited to one point of a lesion position, and cannot be injected at multiple points of the lesion position. Multiple point syringes with comb-like shapes can only be used for body surface injection.
At present, the requirement of multi-point injection is found in animal experiments and stereotactic administration, but the multi-point injector cannot be used in brain stereotactic transplantation; the brain stereotactic transplantation can only drill a small hole in the cranium, the puncture needle needs to be a single-point puncture, and in this case, the requirement cannot be met by using a multi-point injector similar to a comb sample.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-track drip irrigation type injector which can carry out multi-point injection administration at a focus position under the condition of single-point puncture.
The technical aim of the invention is realized by the following technical scheme:
a multi-track drip irrigation type injector comprises a puncture needle and a drainage needle, wherein the puncture needle comprises a tip and a connecting end which are respectively positioned at two sides, and at least two tracks are arranged in the tip to the connecting end in a penetrating manner; the diameter of the drainage needle is smaller than the inner diameter of the track, a plurality of through holes are formed in the side wall of the needle head of the drainage needle, and the length of the drainage needle is larger than that of the puncture needle.
In the scheme, in the injection process, puncture is carried out through the puncture needle, after puncture positioning, then a drainage needle is inserted through a track in the puncture needle and penetrates through a track area, drug administration is carried out through the drainage needle, the number of the tracks is set according to the use condition, and multi-point injection is realized according to the number of the tracks; in the scheme, through holes are formed in the side wall of the drainage needle, medicines can be dispersed to infiltrate the administration points, meanwhile, the administration speed can be improved due to the fact that the outlet is increased, and the overall administration efficiency is improved.
As a preferred scheme, the through holes are uniformly distributed along the annular surface of the needle head.
In the above preferred scheme, through holes are uniformly distributed, so that the administration is more uniform.
As a preferred solution, the track comprises an inlet end and an outlet end, the outlet ends being arranged out of order.
In the above preferred scheme, injection at different sites is achieved by out-of-order arrangement of the outlet ends.
As a preferred option, the tracks do not intersect each other.
In the preferred scheme, the rails are mutually independent, so that accurate injection can be ensured through each channel, and the injection point can obtain the medicines with the quantity meeting the requirements; compared with the condition that the multiple tracks are communicated in the middle, the medicine injection device can enable medicine injection to be more accurate.
As a preferred scheme, the multi-track drip irrigation type injector further comprises solid needles matched with the number of the tracks, and the solid needles are movably connected with the tracks.
In the preferable scheme, before puncture, the solid needle is positioned in the track, and after the puncture needle performs puncture in place, the solid needle is taken out from the connecting end of the puncture needle for medicament injection; the solid needle can increase the stability of the puncture needle, and avoid the condition that the puncture needle is extruded and deformed due to high tissue density when the puncture needle is directly used.
As a preferable scheme, one end of the solid needle close to the connecting end of the puncture needle is provided with a traction piece, and the traction piece is connected with all the solid needles.
In the above preferred scheme, the traction member is connected with all the solid needles, all the solid needles are filled for all the tracks before the puncture is performed by the puncture needle, and after the puncture is in place, all the solid needles can be taken out from the connection end of the puncture needle at one time by using the traction member.
As a preferable scheme, a transparent section is arranged on one side of the puncture needle close to the connecting end.
In the above preferred embodiment, the transparent section may facilitate observation of the injection condition.
In summary, the invention has the following beneficial effects:
(1) The multi-track drip irrigation type injector provided by the invention can realize single-point puncture and multi-point injection, effectively relieve pain of patients and has good administration effect;
(2) The multi-track drip irrigation type injector provided by the invention is provided with mutually independent tracks, and can perform quantitative drug administration at different points;
(3) The multi-track drip irrigation type injector provided by the invention has the advantages of simple structure, good use effect and good economical efficiency and practicability.
Drawings
FIG. 1 is a schematic diagram of a multi-track drip irrigation injector in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a drainage needle according to an embodiment of the present invention;
wherein:
1. a puncture needle; 2. a tip; 3. a connection end; 4. a track; 5. a drainage needle; 6. and a through hole.
Detailed Description
The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
The terms of the directions of the present specification and the claims, such as up, down, left, right, etc., are used for further description, so that the present application is more convenient to understand, but are not limited to, and in different scenes, the terms of up, down, left, right, inside, outside, etc., are relative.
The present invention will be described in further detail with reference to the accompanying drawings.
The multi-track drip irrigation type injector comprises a puncture needle 1 and a drainage needle 5, wherein the puncture needle 1 comprises a tip 2 and a connecting end 3 which are respectively positioned at two sides, and at least two tracks 4 are arranged in the tip 2 in a penetrating way towards the connecting end 3; the diameter of the drainage needle 5 is smaller than the inner diameter of the track 4, a plurality of through holes 6 are formed in the side wall of the needle head of the drainage needle 5, and the length of the drainage needle 5 is larger than that of the puncture needle 1.
In the above embodiment, in the injection process, puncture is performed through the puncture needle 1, after puncture positioning, then a drainage needle 5 is inserted through the track 4 in the puncture needle 1 and passes through the track area, administration is performed through the drainage needle 5, the number of the tracks 4 is set according to the use condition, and multi-point injection is realized according to a plurality of tracks 4; in the scheme, through holes 6 are formed in the side wall of the drainage needle 5, medicines can be dispersed to infiltrate the administration points, meanwhile, the administration speed can be improved due to the fact that the outlet is increased, and the overall administration efficiency is improved.
As a preferred embodiment, the through holes 6 are evenly arranged along the annular face of the needle.
In the above preferred embodiment, by uniformly arranging the through holes 6, the administration is made more uniform.
As a preferred embodiment, the track 4 comprises an inlet end and an outlet end, the outlet ends being arranged out of order.
In the preferred embodiment described above, injection at different sites is achieved by out of order arrangement of the outlet ends.
As a preferred embodiment, the tracks 4 do not intersect each other.
In the above preferred embodiment, the rails 4 are independent of each other, so that accurate injection can be ensured through each channel, and the injection point can obtain the required amount of medicine; compared with the condition that the multi-track 4 is communicated in the middle, the injection of the medicine can be more accurate.
As a preferred embodiment, the multi-track drip irrigation injector further comprises a number of solid needles which are matched with the number of the tracks 4, and the solid needles are movably connected with the tracks 4.
In the above preferred embodiment, before puncturing, the solid needle is located in the track 4, and after puncturing the puncture needle 1 in place, the solid needle is taken out from the connecting end 3 of the puncture needle 1 for drug injection; the solid needle can increase the stability of the puncture needle 1, and avoid the situation that the puncture needle 1 is extruded and deformed due to high tissue density when the puncture needle 1 is directly used.
As a preferred embodiment, the solid needles are provided with a traction element at the end near the connecting end 3 of the puncture needle 1, the traction element being connected to all the solid needles.
In the preferred embodiment described above, the pulling member is connected to all solid needles, and all solid needles are filled with all tracks 4 before the puncture needle 1 is pierced, and after piercing in place, all solid needles can be removed from the connecting end 3 of the puncture needle 1 at one time using the pulling member.
As a preferred embodiment, the side of the puncture needle 1 near the connecting end 3 is provided with a transparent section.
In the preferred embodiment described above, the transparent section may facilitate viewing of the injection.
In a specific implementation, the following settings may be made: comprises a puncture needle 1, a mutually-disjoint track 4 is arranged in the puncture needle, and a movable drainage needle 5 can be arranged in the puncture needle, which is shown in the attached drawing. Also comprises a solid needle for puncture positioning. The diameter of the puncture needle 1 is 5mm, the diameter of the track 4 is 1.2mm, the diameter of the drainage needle 5 is 1mm, and in this way, the air in the tube can be discharged during needle insertion.
The prior art is limited to only one point of administration, so that the administration positions in tissues are few, the medicines in the tissues cannot be fully infiltrated, and the administration efficiency is greatly reduced. The invention solves the difficult problem of multipoint administration.
The prior art may require multiple angle puncturing of the same tissue, resulting in multiple puncturing injuries. The invention only needs to puncture once and is used for administration in the puncture cannula, so that the pain of a patient is relieved and the doctor feeling is better.
The original comb-like injector can only be used on the body surface, and the invention can be used in brain stereotactic transplantation.
The application scene can be applied to directional multipoint chemotherapy administration of intracranial tumor, local multipoint injection administration of epileptic focus, intracranial stem cell injection, multipoint injection anesthesia of other tissues and the like.
Working principle: when the injection device is used, the part to be injected is positioned firstly, after positioning, a puncture positioning solid needle is inserted into a sleeve to puncture tissues, after successful puncture, the solid needle is taken out through a traction piece to perform drug injection, after the drug administration of all the rails 4 is completed, the puncture needle 1 can be rotated to change the position of the outlet end of the rails 4, and then the drug administration in different positions can be continued.
In the administration mode, after the puncture needle 1 is pierced, the solid needle is taken out, and the drainage needle 5 is inserted into the rail 4 and passed through the rail 4 to administer the drug, using a syringe with the drainage needle 5.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims (7)

1. The multi-track drip irrigation type injector is characterized by comprising a puncture needle and a drainage needle, wherein the puncture needle comprises a tip and a connecting end which are respectively positioned at two sides, and at least two tracks are penetrated from the tip to the connecting end; the diameter of the drainage needle is smaller than the inner diameter of the track, and a plurality of through holes are formed in the side wall of the needle head of the drainage needle; the length of the drainage needle is longer than that of the puncture needle.
2. The multi-track drip irrigation syringe of claim 1 wherein said through holes are evenly spaced along the annular face of the needle.
3. The multi-rail drip irrigation injector of claim 2, wherein the rail includes an inlet end and an outlet end, the outlet ends being arranged out of order.
4. A multi-track drip irrigation syringe as claimed in any one of claims 1 to 3 wherein the tracks do not intersect each other.
5. The multi-rail drip irrigation syringe of claim 4 further comprising a number of solid needles that match the number of rails to provide for articulation of the needles to the rails.
6. The multi-rail drip irrigation syringe as claimed in claim 5, wherein the solid needle has a traction member at an end thereof adjacent to the connection end of the puncture needle, and the traction member is connected to all the solid needles.
7. The multi-rail drip irrigation syringe of claim 6, wherein a transparent section is provided on a side of the needle proximate the connection end.
CN202310535808.9A 2023-05-12 2023-05-12 Multi-track drip irrigation type injector Withdrawn CN116458976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310535808.9A CN116458976A (en) 2023-05-12 2023-05-12 Multi-track drip irrigation type injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310535808.9A CN116458976A (en) 2023-05-12 2023-05-12 Multi-track drip irrigation type injector

Publications (1)

Publication Number Publication Date
CN116458976A true CN116458976A (en) 2023-07-21

Family

ID=87175495

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310535808.9A Withdrawn CN116458976A (en) 2023-05-12 2023-05-12 Multi-track drip irrigation type injector

Country Status (1)

Country Link
CN (1) CN116458976A (en)

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Application publication date: 20230721

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