CN109452945B - Pressure type pelvic floor muscle strength tester - Google Patents

Pressure type pelvic floor muscle strength tester Download PDF

Info

Publication number
CN109452945B
CN109452945B CN201811554013.8A CN201811554013A CN109452945B CN 109452945 B CN109452945 B CN 109452945B CN 201811554013 A CN201811554013 A CN 201811554013A CN 109452945 B CN109452945 B CN 109452945B
Authority
CN
China
Prior art keywords
fixedly arranged
conduit
spring
wall
pelvic floor
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.)
Active
Application number
CN201811554013.8A
Other languages
Chinese (zh)
Other versions
CN109452945A (en
Inventor
朱柳梅
李宁
于佳佳
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811554013.8A priority Critical patent/CN109452945B/en
Publication of CN109452945A publication Critical patent/CN109452945A/en
Application granted granted Critical
Publication of CN109452945B publication Critical patent/CN109452945B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/22Ergometry; Measuring muscular strength or the force of a muscular blow
    • A61B5/224Measuring muscular strength
    • A61B5/227Measuring muscular strength of constricting muscles, i.e. sphincters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846Arrangements 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
    • A61B5/6847Arrangements 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
    • A61B5/6852Catheters
    • A61B5/6853Catheters with a balloon
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846Arrangements 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
    • A61B5/6867Arrangements 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

Abstract

The invention discloses a pressure type pelvic floor muscle strength tester in the field of medical instruments, which comprises an air bag, wherein a first catheter is fixedly arranged on the outer wall of the air bag, a second catheter is fixedly arranged at the tube end of the first catheter, a spiral block, a threaded tube and a third catheter are fixedly arranged on the outer wall of the second catheter, a spiral gear is spirally arranged on the outer wall of the spiral block, a pressure relief piston is sleeved in an inner cavity of the threaded tube, a first spring is fixedly arranged on the side wall of the pressure relief piston, a threaded cover is fixedly arranged at the other end of the first spring, a pressure sensor is fixedly arranged at the tube end of the third catheter, and a lead and a first spring are fixedly arranged on the outer wall of the pressure sensor respectively. The device has a simple structure, is convenient to operate, can be independently operated to test the device, avoids the problem of privacy awkwardness brought by the operation of an assistant doctor, is convenient for the normal operation of the device due to the automatic recovery of the conducting wire and the flexible conduit, and can adjust the depth test position of the air bag on the pelvic floor, thereby improving the use comfort.

Description

Pressure type pelvic floor muscle strength tester
Technical Field
The invention relates to the field of medical instruments, in particular to a pressure type pelvic floor muscle strength tester.
Background
Female pelvic floor dysfunctional disease (PFD) is manifested as pelvic organ prolapse and stress urinary incontinence, a series of pelvic floor injuries and defects. PFD has a large number of etiologies and epidemiological investigations have shown that pregnancy and labour are independent risk factors for PFD. Common instruments for female pelvic floor dysfunction currently include: (1) a mechanical basin bottom pressure tester is low in inspection cost, safe, reliable, intuitive in result and wide in clinical application of a traditional mechanical basin bottom pressure gauge, but has many problems needing improvement, such as manual reading and calculation of testers, incapability of recording muscle strength activity curves and related recruitment time and fatigue degree parameters and the like; (2) the electronic type basin bottom pressure tester has the advantages of high precision, definite effect and wide application, but the electronic type basin bottom pressure tester has expensive equipment, large volume, relatively complex operation and high inspection cost, and has higher requirements on the technical requirements of testers and the electromagnetic environment of a test place.
At present, chinese patent with application number CN201410727340.4 discloses a pressure type pelvic floor muscle strength tester, which comprises a pelvic floor muscle strength probe and a host, wherein the pelvic floor muscle strength probe is connected with the host through an air duct, a main circuit board is arranged in the host, a pressure sensor is arranged on the main circuit board and is connected with the main circuit board, an inflator pump, an air release valve and a connector are arranged in the host, the inflator pump, the air release valve, the air duct and the pressure sensor are respectively connected with an interface of the connector, meanwhile, the inflator pump and the air release valve are respectively connected with the main circuit board, a horn is arranged on the host, and the horn is connected with the main circuit board, so that the tester has an audio output function. The invention realizes automatic inflation and deflation, and has low cost, safety and reliability.
However, the air bag needs to be manually and directly plugged into the pelvic floor muscle testing position by an assistant doctor, so that the embarrassment problem of female privacy is caused, the air bag can be plugged into the pelvic floor testing position by the assistant doctor with rich experience, the testing difficulty is improved, and the testing efficiency is reduced.
Based on the above, the invention designs a pressure type pelvic floor muscle strength tester to solve the problems.
Disclosure of Invention
The invention aims to provide a pressure type pelvic floor muscle strength tester, which aims to solve the problems that the embarrassment of female privacy is caused by the fact that an assistant doctor needs to manually and directly plug an air bag into a pelvic floor muscle testing position, the assistant doctor with rich experience can plug the air bag into the pelvic floor testing position, the testing difficulty is improved, and the testing efficiency is reduced in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure type pelvic floor muscle strength tester comprises an air bag, wherein a first conduit is fixedly arranged on the outer wall of the air bag, a second conduit is fixedly arranged at the end of the first conduit, a spiral block, a threaded pipe and a third conduit are fixedly arranged on the outer wall of the second conduit, a spiral gear is arranged on the outer wall of the spiral block in a spiral mode, a pressure relief piston is sleeved in an inner cavity of the threaded pipe, a first spring is fixedly arranged on the side wall of the pressure relief piston, a threaded cover is fixedly arranged at the other end of the first spring, a pressure sensor is fixedly arranged on the outer wall of the third conduit, a lead and a first spring are fixedly arranged on the outer wall of the pressure sensor respectively, a display is fixedly arranged at the other end of the lead, a groove tray is fixedly arranged at the other end of the first spring, the lead is wound on the groove tray, a flexible coil is fixedly arranged at the end of the second conduit, the flexible pipe is characterized in that an inflator pump is fixedly arranged at the end of the flexible pipe, a second spring and a follow-up disc are fixedly arranged on the side wall of the inflator pump respectively, a fixed disc is fixedly arranged at the spring end at the other end of the second spring, an arc-shaped groove is formed in the side wall of the fixed disc, four groups of steel balls are uniformly and movably arranged on the side wall of the follow-up disc, and the four groups of steel balls are all movable in the arc-shaped groove.
Preferably, a second spring is fixedly arranged on the inner wall of the first conduit.
Preferably, the side wall of the helical gear is provided with a motor.
Preferably, the outer wall of the threaded cover is provided with a plurality of groups of pressure relief holes.
Preferably, the inflator pump is fixedly provided with an inflation inlet and a bracket towards the outer wall of the flexible coil, the bracket is provided with a disc-shaped groove, and the flexible coil is uniformly distributed in the disc-shaped groove.
Preferably, four groups of shaft levers are uniformly and fixedly arranged on the side wall of the follow-up disc, and steel balls are movably arranged at the rod ends of the four groups of shaft levers.
Preferably, the groove tray and the side wall of the fixed disc are fixedly provided with a shell.
Preferably, the second conduit is provided as a stiff conduit.
Compared with the prior art, the invention has the beneficial effects that: the invention is characterized in that the pressure relief piston, the first spring and the threaded cover are mutually matched; the spiral lifting of the second conduit is realized through the mutual matching of the spiral gear and the spiral block, so that the embarrassing problem caused by manual direct filling is avoided, the pain caused by direct filling is reduced, the pain in the testing process is relieved, and the use comfort is improved; the device simple structure, convenient operation can the exclusive operation, tests self, avoids the awkward problem of privacy brought by assistant doctor's operation, and the normal operating of the device of being convenient for is retrieved in the automation of wire and flexible pipe moreover, and the adjustable gasbag of the device is in pelvic floor depth test position simultaneously to improve the travelling comfort of using.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a main viewing angle structure according to the present invention;
FIG. 2 is a schematic view of the present invention with the main viewing angle removed;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 4 is an enlarged view of the structure of the present invention at B;
FIG. 5 is a schematic cross-sectional view of the present invention with the housing removed;
FIG. 6 is an enlarged view of the structure of the present invention at C;
FIG. 7 is an enlarged view of the structure of the present invention at D;
FIG. 8 is an enlarged view of the structure of the present invention at E;
FIG. 9 is a schematic longitudinal cross-sectional view of the present invention with the housing removed;
FIG. 10 is an enlarged view of the structure of the present invention at F;
FIG. 11 is an enlarged view of the structure at G of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-balloon, 2-first catheter, 3-second catheter, 4-spiral block, 5-screwed pipe, 6-third catheter, 7-spiral gear, 8-pressure relief piston, 9-first spring, 10-threaded cover, 11-pressure sensor, 12-wire, 13-first spring, 14-display, 15-groove tray, 16-flexible coil, 17-inflator pump, 18-second spring, 19-follow-up disk, 20-fixed disk, 21-arc groove, 22-steel ball, 23-second spring, 24-motor, 25-inflation inlet, 26-bracket, 27-disk groove, 28-shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a pressure type pelvic floor muscle strength tester comprises an air bag 1, a first conduit 2 is fixedly arranged on the outer wall of the air bag 1, a second conduit 3 is fixedly arranged at the pipe end of the first conduit 2, a spiral block 4, a threaded pipe 5 and a third conduit 6 are fixedly arranged on the outer wall of the second conduit 3, a spiral gear 7 is spirally arranged on the outer wall of the spiral block 4, a pressure relief piston 8 is sleeved in the inner cavity of the threaded pipe 5, a first spring 9 is fixedly arranged on the side wall of the pressure relief piston 8, a threaded cover 10 is fixedly arranged at the other end of the first spring 9, a pressure sensor 11 is fixedly arranged at the pipe end of the third conduit 6, a lead 12 and a first spring 13 are respectively and fixedly arranged on the outer wall of the pressure sensor 11, a display 14 is fixedly arranged at the other end of the lead 12, a groove tray 15 is fixedly arranged at the other end of the first spring 13, the lead 12 is wound on the groove tray 15, a flexible coil 16 is fixedly arranged at the pipe end of the second conduit 3, an inflator 17 is fixedly arranged at the tube end of the flexible coil 16, a second spring 18 and a follow-up disc 19 are respectively and fixedly arranged on the side wall of the inflator 17, a fixed disc 20 is fixedly arranged at the spring end at the other end of the second spring 18, an arc-shaped groove 21 is formed in the side wall of the fixed disc 20, four groups of steel balls 22 are movably arranged on the side wall of the follow-up disc 19, and the four groups of steel balls 22 are respectively and movably arranged in the arc-shaped groove 21.
Wherein, the inner wall of the first conduit 2 is fixedly provided with a second spring 23, so that the first conduit 2 can be bent in the female pudendum, and the use comfort is improved; a motor 24 is arranged on the side wall of the spiral gear 7 to realize the rotation of the spiral gear 7; the outer wall of the threaded cover 10 is provided with a plurality of groups of pressure relief holes, so that overload gas is exhausted from the pressure relief holes; the inflator 17 is fixedly provided with an inflation inlet 25 and a bracket 26 towards the outer wall of the flexible coil 16, the bracket 26 is provided with a disc-shaped groove 27, the flexible coil 16 is uniformly distributed in the disc-shaped groove 27, the inflator 17 sucks in outside air from the inflation inlet 25, and the flexible coil 16 is bound by the disc-shaped groove 27, so that the flexible coil 16 is orderly drawn out and recovered from the disc-shaped groove 27; four groups of shaft rods are uniformly and fixedly arranged on the side wall of the follow-up disc 19, and steel balls 22 are arranged at the rod ends of the four groups of shaft rods in a movable manner, so that the four groups of steel balls 22 are arranged on the side wall of the follow-up disc 19 in a movable manner; the side walls of the groove tray 15 and the fixed disc 20 are fixedly provided with 28, so that the practicability and stability of the whole device are improved; the second guide tube 3 is provided as a rigid guide tube, and the rotation of the second guide tube 3 can be realized.
One specific application of this embodiment is: according to the invention, through the mutual matching of the pressure relief piston 8, the first spring 9 and the threaded cap 10, when the threaded cap 10 is screwed on the threaded pipe 5, and when the air pressure in the device is overloaded, the air relief is carried out, so that the function of a safety valve is realized, the use safety is improved, and the highest limit value of the device can be adjusted by adjusting the screw depth of the threaded cap 10 and the threaded pipe 5, so that the practicability is improved; the spiral lifting of the second conduit 3 is realized through the mutual matching of the spiral gear 7 and the spiral block 4, the spiral lifting of the air bag 1 is driven, and the air bag 1 is filled into the female pudendum in a spiral manner, so that the embarrassment problem caused by manual direct filling is avoided, the pain caused by direct filling is reduced, the pain in the testing process is relieved, the using comfort level is improved, and meanwhile, the device can adjust the depth testing position of the air bag 1 at the pelvic floor; through the mutual cooperation of the first clockwork spring 13, the lead 12 and the concave tray, when the pressure sensor 11 spirally rises and falls along with the second conduit 3, the lead 12 is prevented from being wound on the second conduit 3, so that the normal rising and falling of the second conduit 3 are prevented from being influenced, and when the second conduit 3 spirally falls, the lead 12 is orderly recovered into the groove tray 15, so that the device can normally run, and the signal of the pressure sensor 11 is transmitted to the display 14 through the lead 12, so that the test pressure value can be read conveniently; the steel balls 22 slide in the arc-shaped grooves 21, so that the follow-up disc 19 can rotate in the fixed disc 20, and the inflator pump 17 can rotate in the fixed disc 20; through the mutual matching of the second clockwork spring 18, the flexible conduit and the inflator 17 and the rotation of the inflator 17 in the fixed disc 20, when the second conduit 3 spirally rises, the flexible conduit is drawn out from the disc-shaped groove 27, so that the inflator 17 can charge air into the airbag 1, and when the second conduit 3 spirally falls, the flexible conduit is orderly recovered under the action of the second clockwork spring 18, the flexible conduit is prevented from being wound, and the normal operation of the device is facilitated; the device simple structure, convenient operation can the exclusive operation, tests self, avoids the awkward problem of privacy brought by assistant doctor's operation, and the automatic of wire 12 and flexible pipe is retrieved moreover, the normal operating of the device of being convenient for, and the adjustable gasbag 1 of the device is in pelvic floor depth test position simultaneously to improve the travelling comfort of using.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a pressure type pelvic floor muscle strength tester, includes gasbag (1), its characterized in that: the air bag is characterized in that a first conduit (2) is fixedly arranged on the outer wall of the air bag (1), a second conduit (3) is fixedly arranged at the tube end of the first conduit (2), a spiral block (4), a threaded tube (5) and a third conduit (6) are fixedly arranged on the outer wall of the second conduit (3), a spiral gear (7) is spirally arranged on the outer wall of the spiral block (4), a pressure relief piston (8) is sleeved in an inner cavity of the threaded tube (5), a first spring (9) is fixedly arranged on the side wall of the pressure relief piston (8), a threaded cover (10) is fixedly arranged at the other end of the first spring (9), a pressure sensor (11) is fixedly arranged at the tube end of the third conduit (6), a lead (12) and a first spring (13) are fixedly arranged on the outer wall of the pressure sensor (11) respectively, and a display (14) is fixedly arranged at the other end of the lead (12), the spring end of the first spring (13) is fixed with a groove tray (15), the lead (12) is wound on the groove tray (15), the pipe end of the second conduit (3) is fixedly provided with a flexible coil (16), the pipe end of the flexible coil (16) is fixedly provided with an inflator pump (17), the side wall of the inflator pump (17) is respectively and fixedly provided with a second spring (18) and a follow-up disc (19), the spring end at the other end of the second spring (18) is fixedly provided with a fixed disc (20), the side wall of the fixed disc (20) is provided with an arc-shaped groove (21), the side wall of the follow-up disc (19) is uniformly provided with four groups of steel balls (22) in a movable manner, the four groups of steel balls (22) are all movable in the arc-shaped groove (21), and the inflator pump (17) is fixedly provided with an inflation inlet (25) and a bracket (26) towards the outer wall of the flexible coil (16), the support frame (26) is provided with disc-shaped grooves (27), the flexible coil pipes (16) are uniformly distributed in the disc-shaped grooves, four groups of shaft rods are uniformly and fixedly arranged on the side wall of the follow-up disc (19), and steel balls (22) are movably arranged at the rod ends of the four groups of shaft rods.
2. The pressure type pelvic floor muscle strength tester according to claim 1, wherein: and a second spring (23) is fixedly arranged on the inner wall of the first conduit (2).
3. The pressure type pelvic floor muscle strength tester according to claim 1, wherein: and a motor (24) is arranged on the side wall of the spiral gear (7).
4. The pressure type pelvic floor muscle strength tester according to claim 1, wherein: the outer wall of the threaded cover (10) is provided with a plurality of groups of pressure relief holes.
5. The pressure type pelvic floor muscle strength tester according to claim 1, wherein: and the side walls of the groove tray (15) and the fixed disc (20) are fixedly provided with a shell (28).
6. The pressure type pelvic floor muscle strength tester according to claim 1, wherein: the second conduit (3) is arranged as a stiff conduit.
CN201811554013.8A 2018-12-18 2018-12-18 Pressure type pelvic floor muscle strength tester Active CN109452945B (en)

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 CN109452945A (en) 2019-03-12
CN109452945B true 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7141025B2 (en) * 2002-11-29 2006-11-28 Guillermo Hernan Davila Apparatus and method for qualitative assessment of pelvic floor muscular strength
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256123A (en) * 1991-08-19 1993-10-26 Reinbolt Marsha L Female abdominal exercise device
US7597661B2 (en) * 2006-05-11 2009-10-06 Ethicon Endo-Surgery, Inc. 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
CN104434146B (en) * 2014-12-04 2017-05-10 福州仁馨医疗科技有限公司 Pressure type pelvic floor muscle strength tester
CN105962957A (en) * 2016-05-18 2016-09-28 深圳大学 System for evaluating female pelvic floor muscle strength

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7141025B2 (en) * 2002-11-29 2006-11-28 Guillermo Hernan Davila Apparatus and method for qualitative assessment of pelvic floor muscular strength
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

Also Published As

Publication number Publication date
CN109452945A (en) 2019-03-12

Similar Documents

Publication Publication Date Title
US4554687A (en) Toilet mounted urine flow meter
US8801658B2 (en) Breastfeeding milk consumption measuring device
US4099412A (en) Method of measuring the instantaneous flow rate of urine discharge
JPH01501210A (en) Blood pressure monitoring method and device
CN109452945B (en) Pressure type pelvic floor muscle strength tester
CN101664313A (en) Simulation and analysis device for physiological processes of urine storage and emiction of bladder
JP4712100B2 (en) Operating method of health condition judging device
CN211094030U (en) Vagina state detection device
Koff Pressure volume relationships in human hydronephrosis
CN211085430U (en) Weight and volume integrated measuring device for in vitro transplanted tissue and organ
CN208048725U (en) Circular protrusions lesion measuring device under scope
Pedersen et al. Frequency response of variable orifice type peak flow meters: requirements and testing
CN202342027U (en) Blood pressure simulator
CN203132672U (en) Electronic human body scale with BMI indicator lights
CN219416022U (en) Device capable of measuring diameter of round tube or ball
CN208388613U (en) A kind of MCU weight height scale measuring fat percentage
CN2688230Y (en) Abdominal muscle tension measuring equipments
CN219200704U (en) Metering calibration device for mechanical instrument
US2384159A (en) Pressure measuring device
CN1176634C (en) Testis volume measuring meter
RU80329U1 (en) DIAGNOSTIC DEVICE
CN203988066U (en) Sebum thickness measurement equipment
CN218899476U (en) Improved pressure gauge auxiliary device for ultrasonic detection of Wash's action at basin bottom
Vignoli et al. Noninvasive urodynamics
CN110514376B (en) Valve support capability test device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant