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Measuring structure for large opening distance of cervix

A large distance and cervical technology, applied in the field of measuring instruments, can solve the problems of inability to ensure the accuracy of X opening angle, palm deformation, large measurement error, etc., and achieve the effect of ensuring accuracy, less damage and accurate measurement

Pending Publication Date: 2017-12-01
嘉兴市妇幼保健院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the prerequisite for measuring the opening of the uterus is to merge two fingers, the middle finger and the index finger, into the vagina, but this state of combining two fingers will deform the palm, and the vagina also has a specific physiological bending angle, so the X shape fixed on the palm How to realize the deformation of the measuring device, after the deformation, the accuracy of the X opening angle at the back end of the palm cannot be guaranteed, resulting in large measurement errors

Method used

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  • Measuring structure for large opening distance of cervix
  • Measuring structure for large opening distance of cervix
  • Measuring structure for large opening distance of cervix

Examples

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Embodiment 1

[0028] A measuring structure for the large distance of the cervix opening, as attached figure 1 As shown, it includes two measuring pieces 1 and a measuring ruler 2 between the two measuring pieces 1, one end of the measuring ruler 2 is fixed on one of the measuring pieces 1, and the other end is movably fixed to the other said measuring piece 1. Measuring piece 1 on. One end of the measuring ruler 20 can be fixed in any fixed manner. In this embodiment, a hole is opened on the measuring piece 10, and the end of the measuring ruler 20 is fixed through the hole. Another measuring piece 10 is provided with an adjustment hole, the other end of the measuring ruler passes through the adjusting hole, the measuring piece 10 is movably fixed in the adjusting hole, the measuring ruler 20 adopts a material with high friction force, and only by using a certain It can be pulled out from the adjustment hole only when the strength is high, but it must be relatively soft and will not lose t...

Embodiment 2

[0031] A measuring structure for the large distance of the cervix opening, as attached figure 2 As shown, it includes two measuring parts 1 and a measuring ruler 2 between the two measuring parts 1. The measuring part 10 is a ring structure, and a ring 30 with adjustable diameter is arranged in the ring structure. The ring is two A ring-shaped structure with two free ends not closed, one of which is located inside the other free end for size adjustment. One of the measuring parts 10 is provided with a fixing hole, and one end of the measuring ruler is fixed in the fixing hole; the other measuring part 10 is provided with an adjustment block 102, as attached image 3 , 4 As shown, an adjustment hole 1021 is provided on the adjustment block 102, an adjustment elastic piece 1022 is arranged in the adjustment hole 1021, and a locking tooth is arranged on the adjustment elastic piece 1022, and a locking tooth is arranged on the inner side of the measuring piece 10, which is compa...

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Abstract

The invention relates to a measuring instrument, in particular to a measuring structure for a large opening distance of a cervix. The measuring structure for the large opening distance of the cervix comprises two measuring pieces and a measuring ruler located between the two measuring pieces, one end of the measuring ruler is fixed to one of the measuring pieces, and the other end of the measuring ruler is movably fixed to the other measuring piece. The measuring structure for the large opening distance of the cervix can conveniently and rapidly measure the large opening distance of the cervix and is free from the influence of external conditions, measurement is accurate, and damage to cervical tissue is small.

Description

technical field [0001] The invention relates to a measuring device, in particular to a measuring structure for opening a large distance of the cervix. Background technique [0002] Cervical dilatation is the regular uterine contraction of a pregnant woman during labor, which pulls the uterine muscle and surrounding fibers at the internal opening of the cervix, and the cervical canal gradually becomes shorter until it disappears. The external os of the cervix is ​​only the size of a fingertip before delivery. As the labor progresses, the external os of the cervix expands to a diameter of 10 cm, allowing the full-term fetal head to pass through. [0003] In the management of the labor process, the measurement of the cervix is ​​an extremely critical step, which directly affects the judgment and treatment of the labor process. In the latest management of obstetrics, 6cm is used as the boundary, before 6cm is the latent period, after 6cm is the active period, and the cervix has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/107A61B5/00
CPCA61B5/1072A61B5/435
Inventor 魏长娜平泽朋王立中
Owner 嘉兴市妇幼保健院
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