CN109452945A - A kind of pressure type Pelvic floor force tester - Google Patents
A kind of pressure type Pelvic floor force tester Download PDFInfo
- Publication number
- CN109452945A CN109452945A CN201811554013.8A CN201811554013A CN109452945A CN 109452945 A CN109452945 A CN 109452945A CN 201811554013 A CN201811554013 A CN 201811554013A CN 109452945 A CN109452945 A CN 109452945A
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- China
- Prior art keywords
- conduit
- fixedly installed
- wall
- pelvic floor
- pressure type
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
- A61B5/227—Measuring muscular strength of constricting muscles, i.e. sphincters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6853—Catheters with a balloon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of pressure type Pelvic floor force testers of medical instruments field, including air bag, gasbag ektexine is fixedly installed the first conduit, first conduit pipe end is fixedly installed the second conduit, second conduit outer wall is fixedly installed block of spiral, screwed pipe and third conduit, block of spiral outer wall spiral has helical gear, screw thread tube cavity is socketed with pressure release piston, pressure release piston side wall is fixedly installed the first spring, the first spring other end is fixedly installed threaded cap, third conduit pipe end is fixedly installed pressure sensor, pressure sensor outer wall is fixedly installed conducting wire and the first clockwork spring respectively.The configuration of the present invention is simple, it is easy to operate, it can be individually operated, itself is tested, it avoids operating bring privacy embarrassment problem by Medex, and the automatic recycling of conducting wire and flexible conduit, convenient for the normal operation of device, air bag is adjusted in basin bottom depth test position, to improve the comfort used in the device simultaneously.
Description
Technical field
The present invention relates to medical instruments field, specially a kind of pressure type Pelvic floor force tester.
Background technique
Female pelvic floor dysfunctional disease (PFD) shows as a series of basins such as pelvic organ prolapse and stress incontinence
Bottom damage and defect.There are many PFD cause of disease, and epidemiological survey is shown, pregnant and childbirth is the independent hazard factor of PFD.At present
The common instrument of female pelvic dysfunction has: (1) mechanical basin base pressure force tester, tradition machinery formula basin bottom pressure table look-up
Low in cost, safe and reliable, visual result, clinical application is extensive, but needs improvements there is also many, such as needs tester
Artificial reading calculates, and can not record inotropic activity curve and related the problems such as raising time and fatigue strength parameter；(2) electronic type
Basin base pressure force tester, this method precision is higher, and definite effect is widely used, but its equipment is expensive, and volume is larger, operates phase
To complexity, check cost is higher, and the electromagnetic environment of technical requirements and test site to tester all also has high requirement.
Currently, application No. is the Chinese patents of CN201410727340.4 to disclose a kind of pressure type Pelvic floor power test
Instrument, including Pelvic floor power probe and host, Pelvic floor power probe are connected by gas-guide tube with host, and main line is equipped in host
Plate, main circuit board is equipped with pressure sensor, and is connected with main circuit board, and inflator pump, vent valve, connection are equipped in host
Head, inflator pump, vent valve, gas-guide tube and pressure sensor are connected with the interface of connector respectively, while inflator pump and deflation
Valve is connected with main circuit board respectively, and host is equipped with loudspeaker, and loudspeaker are connected with main circuit board, makes it have audio output function
Energy.Although automatic inflatable/air is realized in the invention, low in cost, safe and reliable.
But the invention needs Medex that air bag manually, is directly filled in Pelvic floor test position, not only causes women
Air bag could be filled in basin bottom test position, improve the difficulty of test by privacy embarrassment problem, and veteran Medex
Degree reduces testing efficiency.
Based on this, the present invention devises a kind of pressure type Pelvic floor force tester, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of pressure type Pelvic floor force testers, to solve to propose in above-mentioned background technique
It needs Medex that air bag manually, is directly filled in Pelvic floor test position, not only causes women privacy embarrassment problem, Er Qiejing
Medex abundant is tested, air bag could be filled in basin bottom test position, improve the difficulty of test, reduce asking for testing efficiency
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of pressure type Pelvic floor force tester, including gas
Capsule, the gasbag ektexine are fixedly installed the first conduit, and the first conduit pipe end is fixedly installed the second conduit, and described second
Conduit outer wall is fixedly installed block of spiral, screwed pipe and third conduit, and the block of spiral outer wall spiral has helical gear, the spiral shell
Line tube cavity is socketed with pressure release piston, and the pressure release piston side wall is fixedly installed the first spring, the first spring other end
It is fixedly installed threaded cap, the third conduit pipe end is fixedly installed pressure sensor, the pressure sensor outer wall difference
It is fixedly installed conducting wire and the first clockwork spring, the conducting wire other end line end is fixedly installed display, first clockwork spring
The fixed fluted pallet in spring other end clockwork spring end, the wire coiling are set in groove pallet, the second conduit pipe end fixation
It is equipped with flexible coil pipe, the flexibility coil pipe pipe end is fixedly installed inflator pump, and the inflator pump side wall is fixedly installed the respectively
Two clockwork springs and servo-actuated disk, the second clockwork spring other end clockwork spring end are fixedly installed fixed disc, the fixation
Disk side wall offers arc groove, and the servo-actuated uniform activity of disk side wall has four groups of steel balls, and steel ball described in four groups is active in
Arc groove.
Preferably, first pipe inner wall is fixedly installed second spring.
Preferably, the helical gear side wall installation settings has motor.
Preferably, the screw thread cover outer wall offers several groups relief hole.
Preferably, the inflator pump is fixedly installed inflation inlet and bracket towards flexible disk pipe outer wall, and the bracket is set
It is equipped with tray shaped recess, the flexibility coil pipe is evenly distributed in tray shaped recess.
Preferably, the servo-actuated disk side wall is fixedly uniformly arranged with four groups of shafts, and shaft rod end activity described in four groups has
Steel ball.
Preferably, the groove pallet and fixed disc side wall are fixedly installed shell.
Preferably, second conduit is set as rigid conduit.
Compared with prior art, the beneficial effects of the present invention are: the present invention passes through pressure release piston, the first spring and threaded cap
Mutual cooperation；By the mutual cooperation of helical gear and block of spiral, the spiral lifting of the second conduit is realized, not only avoid artificial
It is directly plugged into bring embarrassment problem, and reduces and is directly plugged into bring pain, mitigates the pain in test process, raising makes
Comfort level；The apparatus structure is simple, easy to operate, can be individually operated, tests itself, avoids being grasped by Medex
Make bring privacy embarrassment problem, and the automatic recycling of conducting wire and flexible conduit, convenient for the normal operation of device, while the dress
Adjustable air bag is set in basin bottom depth test position, to improve the comfort used.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is main perspective structural schematic diagram of the present invention；
Fig. 2 is the main perspective structural schematic diagram of present invention removal shell；
Fig. 3 is enlarged structure schematic diagram at A of the present invention；
Fig. 4 is enlarged structure schematic diagram at B of the present invention；
Fig. 5 is the transversal cross-section structural schematic diagram of present invention removal shell；
Fig. 6 is enlarged structure schematic diagram at C of the present invention；
Fig. 7 is enlarged structure schematic diagram at D of the present invention；
Fig. 8 is enlarged structure schematic diagram at E of the present invention；
Fig. 9 is the longitudinal cross-section structural schematic diagram of present invention removal shell；
Figure 10 is enlarged structure schematic diagram at F of the present invention；
Figure 11 is enlarged structure schematic diagram at G of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- air bag, the first conduit of 2-, the second conduit of 3-, 4- block of spiral, 5- screwed pipe, 6- third conduit, 7- helical gear,
8- pressure release piston, the first spring of 9-, 10- threaded cap, 11- pressure sensor, 12- conducting wire, the first clockwork spring of 13-, 14- are shown
Device, 15- groove pallet, 16- flexibility coil pipe, 17- inflator pump, the second clockwork spring of 18-, 19- are servo-actuated disk, 20- fixed disc,
21- arc groove, 22- steel ball, 23- second spring, 24- motor, 25- inflation inlet, 26- bracket, 27- tray shaped recess, outside 28-
Shell.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-11 is please referred to, the present invention provides a kind of technical solution: a kind of pressure type Pelvic floor force tester, including air bag
1,1 outer wall of air bag is fixedly installed the first conduit 2, and 2 pipe end of the first conduit is fixedly installed the second conduit 3,3 outer wall of the second conduit
It is fixedly installed block of spiral 4, screwed pipe 5 and third conduit 6,4 outer wall spiral of block of spiral has helical gear 7,5 inner cavity of screwed pipe set
It is connected to pressure release piston 8,8 side wall of pressure release piston is fixedly installed the first spring 9, and 9 other end of the first spring is fixedly installed screw thread
Lid 10,6 pipe end of third conduit are fixedly installed pressure sensor 11, and 11 outer wall of pressure sensor is fixedly installed conducting wire 12 respectively
With the first clockwork spring 13,12 other end line end of conducting wire is fixedly installed display 14,13 other end clockwork spring of the first clockwork spring
The fixed fluted pallet 15 in end, conducting wire 12 are coiled in groove pallet 15, and 3 pipe end of the second conduit is fixedly installed flexible coil pipe 16,
Flexible 16 pipe end of coil pipe is fixedly installed inflator pump 17,17 side wall of inflator pump be fixedly installed respectively the second clockwork spring 18 and with
Dynamic disk 19,18 other end clockwork spring end of the second clockwork spring are fixedly installed fixed disc 20, and 20 side wall of fixed disc offers
Arc groove 21, servo-actuated 19 side wall activity of disk have four groups of steel balls 22, and four groups of steel balls 22 are active in arc groove 21.
Wherein, 2 inner wall of the first conduit is fixedly installed second spring 23, allows the first conduit 2 in female private part
Bending improves usage comfort；7 side wall installation settings of helical gear has motor 24, realizes the rotation of helical gear 7；Threaded cap
10 outer walls offer several groups relief hole, realize that gas carrier was discharged from relief hole；Inflator pump 17 is towards flexible 16 outer wall of coil pipe
It is fixedly installed inflation inlet 25 and bracket 26, bracket 26 is provided with tray shaped recess 27, and flexible coil pipe 16 is evenly distributed on dish type
In groove 27, outside air is pumped by inflator pump 17 from inflation inlet 25, by the constraint of the flexible coil pipe 16 of 27 pairs of tray shaped recess,
Realize flexible the coil pipe 16 orderly extraction of slave tray shaped recess 27 and recycling；Servo-actuated 19 side wall of disk is fixedly uniformly arranged with four groups of axis
Bar, four groups of shaft rod end activities have steel ball 22, realize that servo-actuated 19 side wall activity of disk has four groups of steel balls 22；Groove pallet 15 and solid
20 side wall of fixed disk is fixedly installed 28, improves the practicability and stability of whole device；Second conduit 3 is set as hardness and leads
Manage the rotation, it can be achieved that the second conduit 3.
One concrete application of the present embodiment are as follows: the phase that the present invention passes through pressure release piston 8, the first spring 9 and threaded cap 10
Mutually cooperation, when 10 spiral of threaded cap is deflated in screwed pipe 5 when air pressure overload in the device, realization safety valve function is mentioned
High safety in utilization can also adjust the highest limit value of its device by the depth of adjusting threaded cap 10 and 5 spiral of screwed pipe,
Improve practicability；By the mutual cooperation of helical gear 7 and block of spiral 4, the spiral lifting of the second conduit 3 is realized, drive air bag 1
Spiral lifting, by air bag 1 spirally fill in female private part, not only avoid manually being directly plugged into bring embarrassment problem,
And reduce and be directly plugged into bring pain, mitigate the pain in test process, improves comforts of use, while the device can
Air bag 1 is adjusted in basin bottom depth test position；By the cooperation of meeting of the first clockwork spring 13, conducting wire 12, spill pallet, work as pressure
Force snesor 11 not only avoids conducting wire 12 from being wound in the second conduit 3 with 3 spiral lifting of the second conduit, and then avoids influence second
Conduit 3 is normally gone up and down, and when the decline of 3 spiral of the second conduit, orderly conducting wire 12 is recycled in groove pallet 15, so as to this
The normal operation of device, and the signal of pressure sensor 11 is transmitted to by display 14 by conducting wire 12, convenient for reading test
Pressure value；Arc groove 21 is slided on by steel ball 22, realizes that servo-actuated disk 19 can rotate in fixed disc 20, and then realize and fill
Air pump 17 can rotate in fixed disc 20；By the mutual cooperation of the second clockwork spring 18, flexible conduit and inflator pump 17 with
And rotated in fixed disc 20 in inflator pump 17, when 3 spiral of the second conduit, realize flexible conduit out of tray shaped recess 27
Extraction, enables inflator pump 17 that gas is filled with air bag 1, when 3 spiral of the second conduit declines, in the effect of the second clockwork spring 18
Under, it realizes the orderly recycling of flexible conduit, avoids flexible conduit and wind mutually, conducive to the normal operation of the device；The dress
It is simple to set structure, it is easy to operate, can be individually operated, itself is tested, avoids operating bring privacy by Medex awkward
A word used for translation problem, and the automatic recycling of conducting wire 12 and flexible conduit, convenient for the normal operation of device, while air bag is adjusted in the device
1 in basin bottom depth test position, to improve the comfort used.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of pressure type Pelvic floor force tester, including air bag (1), it is characterised in that: air bag (1) the outer wall fixed setting
Have the first conduit (2), the first conduit (2) pipe end is fixedly installed the second conduit (3), and the second conduit (3) outer wall is solid
Surely it is provided with block of spiral (4), screwed pipe (5) and third conduit (6), block of spiral (4) the outer wall spiral has helical gear (7),
Screwed pipe (5) inner cavity is socketed with pressure release piston (8), and pressure release piston (8) side wall is fixedly installed the first spring (9),
First spring (9) other end is fixedly installed threaded cap (10), and third conduit (6) pipe end is fixedly installed pressure biography
Sensor (11), pressure sensor (11) outer wall is fixedly installed conducting wire (12) and the first clockwork spring (13) respectively, described
Conducting wire (12) other end line end is fixedly installed display (14), and the first clockwork spring (13) other end clockwork spring end is fixed with
Groove pallet (15), in groove pallet (15), the second conduit (3) pipe end fixed setting is flexible for conducting wire (12) coiling
Coil pipe (16), described flexibility coil pipe (16) pipe end are fixedly installed inflator pump (17), and inflator pump (17) side wall is fixed respectively
It is provided with the second clockwork spring (18) and servo-actuated disk (19), the second clockwork spring (17) other end clockwork spring end fixed setting
Have fixed disc (20), fixed disc (20) side wall offers arc groove (21), and servo-actuated disk (19) side wall is uniform
Activity has four groups of steel balls (22), and steel ball described in four groups (22) is active in arc groove (21).
2. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: first conduit (2)
Inner wall is fixedly installed second spring (23).
3. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: the helical gear (7)
Side wall installation settings has motor (24).
4. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: the threaded cap (10) is outside
Wall offers several groups relief hole.
5. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: inflator pump (16) court
It is fixedly installed inflation inlet (25) and bracket (26) to flexible coil pipe (15) outer wall, the bracket (26) is provided with tray shaped recess
(27), the flexible coil pipe (16) is evenly distributed in tray shaped recess.
6. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: the servo-actuated disk (19)
Side wall is fixedly uniformly arranged with four groups of shafts, and shaft rod end activity described in four groups has steel ball (22).
7. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: the groove pallet (14)
Shell (28) are fixedly installed with fixed disc (20) side wall.
8. a kind of pressure type Pelvic floor force tester according to claim 1, it is characterised in that: second conduit (3)
It is set as rigid conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554013.8A CN109452945B (en) | 2018-12-18 | 2018-12-18 | Pressure type pelvic floor muscle strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554013.8A CN109452945B (en) | 2018-12-18 | 2018-12-18 | Pressure type pelvic floor muscle strength tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109452945A true CN109452945A (en) | 2019-03-12 |
| CN109452945B CN109452945B (en) | 2021-08-06 |
Family
ID=65613836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811554013.8A Active CN109452945B (en) | 2018-12-18 | 2018-12-18 | Pressure type pelvic floor muscle strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109452945B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256123A (en) * | 1991-08-19 | 1993-10-26 | Reinbolt Marsha L | Female abdominal exercise device |
| US7141025B2 (en) * | 2002-11-29 | 2006-11-28 | Guillermo Hernan Davila | Apparatus and method for qualitative assessment of pelvic floor muscular strength |
| CN101069632A (en) * | 2006-05-11 | 2007-11-14 | 伊西康内外科公司 | Medical instrument having a catheter and method for using a catheter |
| CN202313313U (en) * | 2011-11-08 | 2012-07-11 | 张东芳 | Automatic wire returning device for electrocardiograph lead |
| CN102805607A (en) * | 2012-08-13 | 2012-12-05 | 东南大学 | Mechanical uterus dilatation device |
| CN104434146A (en) * | 2014-12-04 | 2015-03-25 | 沈平 | Pressure type pelvic floor muscle strength tester |
| CN204293172U (en) * | 2014-11-14 | 2015-04-29 | 沈平 | A kind of disposable decomposable Pelvic floor power detection probe |
| CN104644152A (en) * | 2015-03-02 | 2015-05-27 | 广州启骏生物科技有限公司 | Device for measuring and treating anal incontinence |
| US20160029944A1 (en) * | 2011-02-17 | 2016-02-04 | Domingo E. Galliano | Therapeutic pelvic region analyzer and method of use thereof |
| CN105962957A (en) * | 2016-05-18 | 2016-09-28 | 深圳大学 | System for evaluating female pelvic floor muscle strength |
-
2018
- 2018-12-18 CN CN201811554013.8A patent/CN109452945B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256123A (en) * | 1991-08-19 | 1993-10-26 | Reinbolt Marsha L | Female abdominal exercise device |
| US7141025B2 (en) * | 2002-11-29 | 2006-11-28 | Guillermo Hernan Davila | Apparatus and method for qualitative assessment of pelvic floor muscular strength |
| CN101069632A (en) * | 2006-05-11 | 2007-11-14 | 伊西康内外科公司 | Medical instrument having a catheter and method for using a catheter |
| US20160029944A1 (en) * | 2011-02-17 | 2016-02-04 | Domingo E. Galliano | Therapeutic pelvic region analyzer and method of use thereof |
| CN202313313U (en) * | 2011-11-08 | 2012-07-11 | 张东芳 | Automatic wire returning device for electrocardiograph lead |
| CN102805607A (en) * | 2012-08-13 | 2012-12-05 | 东南大学 | Mechanical uterus dilatation device |
| CN204293172U (en) * | 2014-11-14 | 2015-04-29 | 沈平 | A kind of disposable decomposable Pelvic floor power detection probe |
| CN104434146A (en) * | 2014-12-04 | 2015-03-25 | 沈平 | Pressure type pelvic floor muscle strength tester |
| CN104644152A (en) * | 2015-03-02 | 2015-05-27 | 广州启骏生物科技有限公司 | Device for measuring and treating anal incontinence |
| CN105962957A (en) * | 2016-05-18 | 2016-09-28 | 深圳大学 | System for evaluating female pelvic floor muscle strength |
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| Publication number | Publication date |
|---|---|
| CN109452945B (en) | 2021-08-06 |
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