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WO2022104536A1 - Aiguille de ponction - Google Patents

Aiguille de ponction Download PDF

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Publication number
WO2022104536A1
WO2022104536A1 PCT/CN2020/129424 CN2020129424W WO2022104536A1 WO 2022104536 A1 WO2022104536 A1 WO 2022104536A1 CN 2020129424 W CN2020129424 W CN 2020129424W WO 2022104536 A1 WO2022104536 A1 WO 2022104536A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
puncture
outer needle
seat
assembly
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.)
Ceased
Application number
PCT/CN2020/129424
Other languages
English (en)
Chinese (zh)
Inventor
王沁
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.)
Suzhou Leapmed Healthcare Corp
Original Assignee
Suzhou Leapmed Healthcare Corp
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 Suzhou Leapmed Healthcare Corp filed Critical Suzhou Leapmed Healthcare Corp
Priority to PCT/CN2020/129424 priority Critical patent/WO2022104536A1/fr
Publication of WO2022104536A1 publication Critical patent/WO2022104536A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A61B17/34—Trocars; Puncturing needles

Definitions

  • the invention relates to the field of medical instruments, in particular to a puncture needle used for puncture/drug injection/drainage and suction of body fluids.
  • Bone and soft tissue tumors are diseases that seriously endanger human health and life. In recent years, the incidence has gradually increased, and the age of onset has gradually decreased. Early detection, correct diagnosis, and timely treatment have an important impact on prognosis. The correct diagnosis requires a combination of clinical, imaging and pathology. Among them, the pathological diagnosis plays a key role in the selection of the treatment plan. Needle biopsy is the main way to obtain pathological diagnosis.
  • the puncture needle needs to be pierced into the human body.
  • Ordinary puncture needle products generally have a beveled surface structure. Therefore, when the ordinary puncture needle penetrates the human body, the resistance is relatively large, and it requires a large force to penetrate the human body, which is prone to the problem of unsmooth needle insertion, thereby increasing the pain of the patient.
  • the present invention provides a puncture needle
  • the inner needle of the puncture needle is designed into a tapered structure, which can effectively reduce the resistance of the puncture needle when it is inserted into the human body, and greatly increase the convenience of the operator and the accuracy of the operation. It can reduce the pain of patients and improve the efficiency of surgery.
  • a puncture needle is provided.
  • a puncture needle of the present invention comprises: an outer needle assembly and an inner needle assembly sheathed in the outer needle assembly, the outer needle assembly includes an outer needle seat and an outer needle located at one end of the outer needle seat, the inner needle The assembly includes an inner needle hub and an inner needle at one end of the inner needle hub; the inner needle tip extends beyond the outer needle, and the inner needle tip is tapered.
  • the inner needle tip is a conical structure or a triangular pyramid structure.
  • a hand position for assisting the puncture operation is protruded from the outer wall of the outer needle seat, and the hand position is symmetrically arranged around the axis of the outer needle seat.
  • a score line is provided on the outer wall of the end of the outer needle away from the outer needle seat.
  • the hand position and the outer needle seat are perpendicular to each other.
  • the outer needle seat is a hollow structure, and the hollow structure communicates with the hollow structure of the outer needle.
  • the scribe line is a spiral line.
  • the helical lines are crossed.
  • a buoy is provided at the connection between the outer needle and the outer needle seat, and the outer needle penetrates the buoy and is then connected to the outer needle seat.
  • the inner needle of the puncture needle into a tapered structure, the resistance of the puncture needle when the needle is inserted into the human body can be effectively reduced, the convenience of the operator and the accuracy of the operation are improved, and the patient is relieved. Pain, speeding up the efficiency of the operation.
  • Fig. 1 is one of the exploded schematic diagrams of the puncture needle of the embodiment of the present invention.
  • Fig. 2 is the second exploded schematic diagram of the puncture needle of the embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the inner needle tip of the puncture needle according to the embodiment of the present invention having a triangular pyramid structure
  • FIG. 4 is a schematic diagram of the inner needle tip of the puncture needle according to the embodiment of the present invention having a conical structure
  • FIG. 5 is a schematic structural diagram of a puncture needle according to an embodiment of the present invention.
  • inner needle assembly 1 inner needle seat 11, inner needle 12, inner needle tip 121, outer needle assembly 2, outer needle seat 21, hand position 211, outer needle 22, outer needle outlet 221, engraved line 222 , buoy 3, protective cover 4.
  • a puncture needle of the present invention includes an outer needle assembly 2 and an inner needle assembly 1 sheathed in the outer needle assembly 2.
  • the outer needle assembly 2 includes an outer needle seat 21 and an outer needle located in the outer needle assembly 2.
  • the outer needle 22 at one end of the seat 21, the inner needle assembly 1 includes the inner needle seat 11 and the inner needle 12 at one end of the inner needle seat 11; the inner needle tip 121 extends beyond the outer needle 22, and the inner needle tip 121 is tapered.
  • the inner needle tip 121 is a conical structure or a triangular pyramid structure.
  • a hand position 211 for assisting the puncture operation is protruded from the outer wall of the outer needle seat 21 in the embodiment of the present application.
  • the hand position 211 is symmetrically arranged with the axis of the outer needle seat 21 as the center.
  • There can be two hand positions along the outer needle seat. 21 are arranged radially opposite to each other.
  • the hand position can also be an integral round cake structure.
  • the puncture needle is used, it can be better pressed and applied, and the puncture can be performed more safely.
  • the axis of the needle seat 21 is set symmetrically with the center outside the hand position, it can be stably placed on the operating table. , will not roll off easily.
  • the hand position 211 is a plate-like structure, and the hand position and the outer needle seat 21 are perpendicular to each other. Using this setting is helpful for the operator to hold the puncture needle and avoid the operator from slipping off during the operation. Moreover, the hand position can also be adjusted according to the actual situation. It can be made into a rectangular plate shape, a polygonal plate shape, etc. according to the needs or the habit of the operator.
  • the outer needle seat 21 is a hollow structure, and the hollow structure communicates with the hollow structure of the outer needle 22 .
  • a buoy 3 is provided at the connection between the outer needle 22 and the outer needle base 21 , and the outer needle 22 penetrates the buoy 3 and is then connected to the outer needle base 21 .
  • the score line 222 is a spiral line, and the spiral lines are crossed; the score line 222 can also be a circular line arranged in parallel;
  • the operator holds the hand position 211 tightly and pierces the puncture needle into the human body with force.
  • the probe transducer emits ultrasonic waves and irradiates the surface of the outer needle 22.
  • the ultrasonic signal can be more reflected to the probe converter, so that the image displayed by the ultrasonic imaging device is very clear, and the position of the outer needle 22 can be monitored in real time. Sampling of the thyroid gland, drug injection after removal of the internal needle, or drainage and aspiration of bodily fluids can be performed (no hand position is required for injection or aspiration).
  • One end of the outer needle 22 away from the outer needle base 21 is an outer needle outlet 221 of a needle-like structure, and the helix is close to the outer needle outlet.
  • the inner needle hub 11 includes a second handle portion and a connecting portion located at one end of the second handle portion. The connecting portion is connected to the inner needle 12.
  • the puncture needle also includes a protective cover 4, which is sleeved on the outer needle and is fastened together with the buoy 3.
  • the protective cover 4 can be used to protect the puncture needle so as to prevent the puncture needle from being polluted when not in use .
  • the puncture needle of the present invention When the puncture needle of the present invention is in use, when the medical staff pushes the puncture needle to travel in the human body, the resistance during needle insertion is reduced, the convenience of the operator and the accuracy of the operation are improved, the pain of the patient is reduced, and the efficiency of surgery.

Landscapes

  • 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

L'invention concerne une aiguille de ponction, comprenant : un ensemble aiguille externe (2) et un ensemble aiguille interne (1) emmanché à l'intérieur de l'ensemble aiguille externe (2), l'ensemble aiguille externe (2) comprend un siège d'aiguille externe (21) et une aiguille externe (22) située à une extrémité du siège d'aiguille externe (21), l'ensemble aiguille interne (1) comprend un siège d'aiguille interne (11) et une aiguille interne (12) située à une extrémité du siège d'aiguille interne (11). Une pointe d'aiguille interne (121) fait saillie au-delà de l'aiguille externe (22), et la pointe d'aiguille interne (121) est effilée. L'aiguille de perforation peut réduire la résistance lorsque l'aiguille est insérée dans le corps humain, améliorer la commodité pour le personnel chirurgical et la précision des opérations, soulager la douleur éprouvée par un patient, et améliorer de l'efficacité de fonctionnement.
PCT/CN2020/129424 2020-11-17 2020-11-17 Aiguille de ponction Ceased WO2022104536A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/129424 WO2022104536A1 (fr) 2020-11-17 2020-11-17 Aiguille de ponction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/129424 WO2022104536A1 (fr) 2020-11-17 2020-11-17 Aiguille de ponction

Publications (1)

Publication Number Publication Date
WO2022104536A1 true WO2022104536A1 (fr) 2022-05-27

Family

ID=81707928

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/129424 Ceased WO2022104536A1 (fr) 2020-11-17 2020-11-17 Aiguille de ponction

Country Status (1)

Country Link
WO (1) WO2022104536A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2734150Y (zh) * 2004-09-06 2005-10-19 佛山特种医用导管有限责任公司 用于腹腔镜手术的套管穿刺器
CN101480355A (zh) * 2009-02-12 2009-07-15 成都爱欧科技发展有限公司 便携式环甲膜穿刺针
EP2142115B1 (fr) * 2007-04-18 2016-08-24 Covidien LP Ensemble de trocart avec dissecteur obturateur
CN107374708A (zh) * 2017-08-23 2017-11-24 张彩珍 可调式胸、腹膜腔穿刺针具
CN209422048U (zh) * 2017-08-14 2019-09-24 谈茜 一种两用式放射性粒子穿刺针
CN210158674U (zh) * 2018-12-19 2020-03-20 北京天智航医疗科技股份有限公司 穿针装置
CN210582529U (zh) * 2019-03-18 2020-05-22 苏州市立普医疗科技有限公司 具有刻线的穿刺针

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2734150Y (zh) * 2004-09-06 2005-10-19 佛山特种医用导管有限责任公司 用于腹腔镜手术的套管穿刺器
EP2142115B1 (fr) * 2007-04-18 2016-08-24 Covidien LP Ensemble de trocart avec dissecteur obturateur
CN101480355A (zh) * 2009-02-12 2009-07-15 成都爱欧科技发展有限公司 便携式环甲膜穿刺针
CN209422048U (zh) * 2017-08-14 2019-09-24 谈茜 一种两用式放射性粒子穿刺针
CN107374708A (zh) * 2017-08-23 2017-11-24 张彩珍 可调式胸、腹膜腔穿刺针具
CN210158674U (zh) * 2018-12-19 2020-03-20 北京天智航医疗科技股份有限公司 穿针装置
CN210582529U (zh) * 2019-03-18 2020-05-22 苏州市立普医疗科技有限公司 具有刻线的穿刺针

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