Assistance device for amniocentesis for antenatal diagnosis

A technique for amniocentesis and prenatal diagnosis, which is applied in the directions of diagnosis, inoculation and ovulation diagnosis, medical science, etc., can solve the problems of inconvenient operation of amniocentesis, and achieves the effects of novel structure, favorable use and improved work efficiency.

Inactive Publication Date: 2021-08-13
郑州大学第三附属医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the object of the present invention is to provide an auxiliary device for amniocentesis for prenatal diagnosis, which effectively solves the problem of inconvenient operation for medical staff during amniocentesis

Method used

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  • Assistance device for amniocentesis for antenatal diagnosis
  • Assistance device for amniocentesis for antenatal diagnosis
  • Assistance device for amniocentesis for antenatal diagnosis

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Embodiment Construction

[0018] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] Depend on Figure 1 to Figure 11 Given, including the support plate 1, the support plate 1 is provided with a guide groove 2 in the up and down direction, the support plate 1 is provided with a semi-circular groove 3 in the upper and lower axial directions and communicated with the upper end of the guide groove 2, and the support plate 1 is rotatably connected with The rotating drum 4 coaxial with the semi-annular groove 3 and located inside the semi-annular groove 3, the rotating drum 4 is provided with a spiral groove 5 that penetrates inside and outside, and the spiral groove 5 communicates with the guide groove 2 and the semi-annular groove 3. A support column 6 whose upper end runs through the support plate 1 is coaxially provided with a guide column 7 passing through the spiral groove 5 and inserted into the...

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Abstract

The invention discloses an assistance device for amniocentesis for antenatal diagnosis, and effectively solves the problem that operation is inconvenient when a medical worker conducts amniocentesis. The assistance device comprises a supporting plate; a guide groove is formed in the supporting plate; a semi-annular groove is formed in the supporting plate; a rotating cylinder is rotationally connected in the supporting plate; a spiral groove is formed in the rotating cylinder; a supporting column is coaxially arranged in the rotating cylinder; a guide column is arranged at the lower side of the supporting column; a fluid pumping device is detachably connected to the left end of the supporting plate; the fluid pumping device comprises a fixed cylinder; the lower end of the fixed cylinder is provided with an end cover; a waste fluid cylinder is connected to the lower end of the end cover in a sliding manner; the lower end of the waste fluid cylinder is provided with a primary teat; a lower piston is connected in the waste fluid cylinder in a sliding manner; an upper piston is detachably connected to the upper end of the lower piston; a main piston is detachably connected to the upper end of the upper piston; a connecting pipe is fixed onto the upper piston; and a secondary teat is fixed to the lower end of a secondary piston. The assistance device is novel in structure and high in usability, reduces steps when the medical worker conducts the amniocentesis, increases the working efficiency of the medical worker, and is conducive to use of the medical worker.

Description

technical field [0001] The invention relates to the technical field of auxiliary equipment for obstetric examination, in particular to an auxiliary device for amniocentesis for prenatal diagnosis. Background technique [0002] Amniocentesis is a method of prenatal diagnosis, generally suitable for prenatal diagnosis in the second trimester. Amniocentesis refers to the process of passing a long and thin needle through the pregnant woman's belly, uterine wall, and entering the amniotic fluid cavity under the guidance of ultrasound, and the process of extracting some amniotic fluid is called "amniocentesis"; the specific operation is to use B-ultrasound to determine After the patient's body, use a lumbar puncture needle with a needle core to pierce the correct position and penetrate into the patient's amniotic fluid cavity. At this time, first use a 2 ml syringe to suck 2 ml of amniotic fluid and discard it. This section of amniotic fluid may contain maternal cells Use 20 mill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B10/00
CPCA61B10/0048
Inventor 潘瓷姚妍怡李莹
Owner 郑州大学第三附属医院
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