CN203042250U - Pelvis opening-degree measurer in obstetrics and gynecology departments - Google Patents
Pelvis opening-degree measurer in obstetrics and gynecology departments Download PDFInfo
- Publication number
- CN203042250U CN203042250U CN 201220732844 CN201220732844U CN203042250U CN 203042250 U CN203042250 U CN 203042250U CN 201220732844 CN201220732844 CN 201220732844 CN 201220732844 U CN201220732844 U CN 201220732844U CN 203042250 U CN203042250 U CN 203042250U
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- compasses
- obstetrics
- legs
- gynecology
- rotating shaft
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- Expired - Fee Related
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Abstract
The utility model relates to medical apparatuses and instruments, in particular to a pelvis opening-degree measurer in obstetrics and gynecology departments. The pelvis opening-degree measurer in the obstetrics and gynecology departments is a pair of compasses. The pair of compasses comprises two compasses legs. Root portions of the compasses legs are connected in a hinged mode through a rotating shaft. The center of the rotating shaft of the pair of compasses is used as the center of a circle, a semi-circular reading dial is tightly attached to one side of the root portions of the compasses legs, and is arranged in the direction of facing the compasses legs, numerical value scales are arranged along a semi-circular-arc edge portion of the reading dial, and the numerical value scales correspond to a straight-line distance between two points of the front ends of the two compasses legs. The pelvis opening-degree measurer in the obstetrics and gynecology departments has the advantages that due to the facts that the front ends of the compasses legs are used as measuring contact points, and a straight-line distance between two measuring points can be directly read on the reading dial, a pelvis opening-degree of a puerpera can be quantized and can be directly read, and use is quite convenient.
Description
Technical field
This utility model relates to medical apparatus and instruments, particularly a kind of department of obstetrics and gynecology basin bone aperture measurement device.
Background technology
In the clinical practice, to carry out the pelvis aperture measurement usually for just before giving birth women, owing to there is not special gauge, rule of thumb judged by the doctor usually at present, thereby error be bigger, be difficult to accurately judge anemia of pregnant woman's production time, delay anemia of pregnant woman's production.What have measures with ruler, but is subjected to spatial constraints, uses very inconvenient.
Summary of the invention
Problem to be solved in the utility model is: a kind of simple in structure, the department of obstetrics and gynecology basin bone aperture measurement device that can accurately measure the pelvis aperture is provided.
In order to solve the problems of the technologies described above, design of the present utility model is: a kind of department of obstetrics and gynecology pelvis aperture measurement device, be compasses, two compass legs are arranged, the compass leg root is hinged by a rotating shaft, rotating shaft center with described compasses is the center of circle, towards the compass leg direction and be close to compass leg root one side one semicircle reading dial is set, is provided with the numerical scale corresponding with 2 air line distances of two compass leg front ends along the semi-circle edge portion of reading dial.
For fear of stabbing or the twinge anemia of pregnant woman when measuring, the front end of described compass leg is designed to the circular arc head as measuring contact point.
The beneficial effect that this utility model is obtained is: because the front end that uses compass leg is as measuring contact point, and again can direct-reading on the reading dial go out air line distance between two measurement points, puerpera's pelvis aperture can be quantized direct-reading, so very easy to use.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1. compasses handle, 2. rotating shaft, 3. reading dial, 4. numerical scale, 5. compass leg is 6. measured contact point.
The specific embodiment
A kind of department of obstetrics and gynecology pelvis aperture measurement device, be compasses, the rear end is compasses handle 1, two compass legs 5 are arranged, the compass leg root is hinged by a rotating shaft 2, rotating shaft 2 centers with described compasses are the center of circle, towards the compass leg direction and be close to compass leg root one side one semicircle reading dial 3 is set, are provided with the numerical scale 4 corresponding with 2 air line distances of two compass leg front ends along the semi-circle edge portion of reading dial; For fear of stabbing or the twinge anemia of pregnant woman when measuring, the front end of described compass leg is designed to the circular arc head as measuring contact point 6.
Claims (2)
1. department of obstetrics and gynecology basin bone aperture measurement device, be compasses, two compass legs are arranged, the compass leg root is hinged by a rotating shaft, it is characterized in that the rotating shaft center with described compasses is the center of circle, towards the compass leg direction and be close to compass leg root one side one semicircle reading dial is set, be provided with the numerical scale corresponding with 2 air line distances of two compass leg front ends along the semi-circle edge portion of reading dial.
2. a kind of department of obstetrics and gynecology basin bone aperture measurement device as claimed in claim 1 is characterized in that the front end of described compass leg as measuring contact point, is designed to the circular arc head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732844 CN203042250U (en) | 2012-12-27 | 2012-12-27 | Pelvis opening-degree measurer in obstetrics and gynecology departments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732844 CN203042250U (en) | 2012-12-27 | 2012-12-27 | Pelvis opening-degree measurer in obstetrics and gynecology departments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203042250U true CN203042250U (en) | 2013-07-10 |
Family
ID=48725259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220732844 Expired - Fee Related CN203042250U (en) | 2012-12-27 | 2012-12-27 | Pelvis opening-degree measurer in obstetrics and gynecology departments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203042250U (en) |
-
2012
- 2012-12-27 CN CN 201220732844 patent/CN203042250U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |