CN106618693A - Obstetric device used for mechatronical delivery - Google Patents
Obstetric device used for mechatronical delivery Download PDFInfo
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- CN106618693A CN106618693A CN201611064054.XA CN201611064054A CN106618693A CN 106618693 A CN106618693 A CN 106618693A CN 201611064054 A CN201611064054 A CN 201611064054A CN 106618693 A CN106618693 A CN 106618693A
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- air
- valve
- pouch
- sucker
- spring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Reproductive Health (AREA)
- Pregnancy & Childbirth (AREA)
- Gynecology & Obstetrics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses an obstetric device used for mechatronical delivery. The obstetric device used for mechatronical delivery comprises a sucking disc and a buffer assembly, the buffer assembly comprises fixing cylinder bodies side-by-side arranged in an inspiration channel and a rotary cylinder body which can rotate relative to the fixing cylinder bodies, a torsional spring is arranged on the rotary cylinder body, buffer holes penetrating the fixing cylinder body and the rotating body respectively are arranged on both the fixing cylinder body and the rotary cylinder body, when the draft of an exhaust fan is constant, the torsional spring is in a natural state, the buffer hole of the rotary cylinder body and the buffer hole of the fixing cylinder body are malposed, when the draft of an exhaust fan increases, the rotary cylinder body overcomes the torsional spring draft to rotate so as to make the buffer hole of the rotary cylinder body relative to the buffer hole of the fixing cylinder body. The sucking disc of the obstetric device used for the mechatronical delivery can help pull a fetus from the uterus by sucking the head of the fetus under the condition that it is not beneficial for independent parturition of a puerperal. Moreover, by the arrangement of the buffer assembly, and when the draft of the exhaust fan changes, the pressure value in the air negative pressure zone does not change drastically so as to play the role of buffering.
Description
Technical field
The present invention relates to a kind of medical equipment, more particularly to a kind of midwifery device.
Background technology
When puerpera produces, sometimes due to fetus build is reduced, puerpera can not voluntarily produce, and need to attract tire by sucker
The head of youngster, so as to fetus to be attracted uterus, but the attraction of sucker of the prior art is unstable, and (i.e. sucker is formed
Air negative pressure area pressure value it is unstable), when the attraction of sucker is excessive, easily to the head of fetus cause damage, this
Certainly will be quite dangerous, that is to say, that sucker of the prior art does not have the control dress of the pressure value of stable air negative pressuren zone
Put.
The content of the invention
For above-mentioned technical problem present in existing technology, the present invention's implements there is provided a kind of childbirth of electromechanical integration
Use midwifery device.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of electromechanical integration childbirth midwifery device, including actuator and the actuator connection and by the actuating
The conduit of air exhauster, the sucker for attracting fetus head and the connection sucker and the air exhauster that device drives, it is described
Sucker includes：
Tabular keeping body, its first plate face is formed with the joint for connecting the conduit；
Sucker body, it is in trumpet-shaped cylinder that it is first end, and the second end of the sucker body is fixed on the tabular
In second plate face of keeping body, air intake passage is offered in the tabular keeping body, the air intake passage is from the first plate face insertion
The joint to the second plate face so that the sucker body is connected with the conduit, when the air exhauster exhausting, the suction
Disk sheet forms in vivo air negative pressure area in the region of the tabular keeping body；
First control unit, it is used to control the air pressure in the air negative pressure area, with when the air negative pressure area
When interior air is less than predetermined value, first control unit is air-supplied to the air negative pressure area；
Buffer Unit, it includes the fixed cylinder being disposed side by side in the air intake passage and being capable of relatively described fixed column
The rotating cylinder that body is rotated, is provided with torsion spring in the rotating cylinder, the upper surface of the torsion spring is provided with permalloy layer, described
Permalloy layer is iron-nickel alloy, wherein being contained within stable particle in the permalloy layer, the stable particle is carbide
Or the particle of nitride or boride, the iron-nickel alloy accounts for the 25% of permalloy layer body weight, the iron-nickel alloy bag
Iron, molybdenum, manganese, cobalt, copper and mickel are included, its mass fraction accounts for 67% for iron, described molybdenum accounts for 14%, described manganese accounts for 6%, described
Cobalt accounts for 4%, and described copper accounts for 7%, and described nickel accounts for 2%, and the thickness of the permalloy layer is 0.1mm, the permalloy
Ferrous alloy, austenitic manganese steel or cobalt-based super heat-resistant alloy are also included in layer, on the fixed cylinder and the rotating cylinder
It is provided with respectively axially through the fixed cylinder and the cushion hole of the rotating cylinder, wherein：
When the air exhauster draft is constant, the torsion spring in the raw, the cushion hole of the rotating cylinder and institute
The cushion hole sequence of fixed cylinder is stated, when air exhauster draft change is big, the rotating cylinder overcomes the torsion spring torsion
And rotate so that the cushion hole of the rotating cylinder is relative with the cushion hole of the fixed cylinder.
Preferably, first control unit includes the first valve body and the first valve rod with the first valve element；Described first
The first valve pocket is offered in valve body, first valve rod is arranged in first valve pocket, first valve element is by described first
Valve pocket is divided into left chamber and right chamber room, the left chamber to connect with the air intake passage by sprue, the sprue
Air inlet is formed in the end in the axial direction of the left chamber, and the right chamber room is connected by by-pass flow road with the sprue, institute
State the first valve rod and be formed with conehead towards one end of the air inlet of the sprue, be provided with for pushing against in the right chamber room
The first spring of the first valve rod is stated, is further opened with radially connecting the of the left chamber and outside air on first valve body
One import, wherein：
When first spring to the air pressure in the thrust of first valve rod and the left chamber room to described first
When the thrust sum of valve rod is equal to or more than first inlet pressure, the conehead of first valve rod blocks the sprue
Air inlet, when first spring to the air pressure in the thrust of first valve rod and the left chamber room to first valve
When the thrust sum of bar is less than first inlet pressure, the conehead of first valve rod away from the sprue air inlet,
Outside air enters the air inlet of the sprue from first import, and sprue, the air intake passage are entered described in Jing
The air negative pressure area.
Preferably, first control unit also includes the second valve element, and in first valve body the second valve pocket is further opened with,
Second valve element is arranged in second valve pocket, and the right chamber room passes through the axle of the first pilot flow path and second valve pocket
End connection upwards, is additionally provided with second spring in second valve pocket, the second spring is used to push against second valve
So that second valve element can block first pilot flow path, first valve rod is formed with the of insertion in the axial direction to core
Two pilot flow paths, second pilot flow path connects the sprue and second valve pocket, offers on first valve element
The throttling road of the left chamber and the right chamber room is connected, wherein：
When first spring to the air pressure in the thrust of first valve rod and the left chamber room to described first
When the thrust sum of valve rod is less than the outside air, the throttling road of the first valve element described in the outside air Jing enters institute
Left chamber is stated, then the first pilot flow path described in Jing pushes against second valve element and enters second valve pocket, then the second elder generation described in Jing
Pathway enters the sprue, so that the air pressure in the right chamber room reduces and the first valve element is moved to right sprue
Air inlet open.
Preferably, also include being filled with air in the pouch by made by elastic expandable material, the pouch, the pouch sets
Put in the sucker sheet in vivo, and be attached at the inwall of the sucker body, the pouch surrounds one and can partly coat tire
The receiving space of youngster's head, the air intake passage is connected with the accommodation space, and the air negative pressure area is formed in when the capsule
Positioned at the top area of head during the bag cladding fetus head.
Preferably, the second control unit of air pressure in also including for controlling the pouch, second control is single
Unit includes the second valve body and the 3rd valve element being fixed on the outer wall of the sucker body, and in second valve body the 3rd is offered
Valve pocket, the 3rd valve element is arranged in the 3rd valve pocket, and one end of the 3rd valve pocket is formed with insertion to pouch
Inflation runner, be provided with the 3rd valve pocket for push against the 3rd valve element so that the 3rd valve element can block it is described
3rd spring of inflation runner, the 3rd valve pocket is provided with the part of the 3rd spring by voltage stabilizing runner and the pouch
Interior air communication, is further opened with the second import on second valve body, second import is used to connect the 3rd valve pocket
With outside air with when the air pressure of the pouch reduces, the 3rd valve element away from the inflation runner air inlet,
So that outside air makes cladding of the pouch to the head of the fetus by the inflation runner in the pouch
Power increases.
Preferably, the pressure accumulation body for inflating for the pouch is equiped with second import.
Preferably, the first top for adjusting the pretension thrust of the second spring is additionally provided with first valve body
Silk.
Preferably, the second top for adjusting the pretension thrust of the 3rd spring is additionally provided with second valve body
Silk.
Compared with prior art, the beneficial effect of childbirth midwifery device of the invention is：The suction of childbirth midwifery device
Disk can be voluntarily produced under rough sledding in puerpera, aid in pulling out fetus from uterus by attracting fetus head.
And due to being provided with Buffer Unit so that, when draft changes, the pressure value in air negative pressure area also will not be suddenly for air exhauster
Change, so as to play cushioning effect.
Description of the drawings
Fig. 1 is the structure of the childbirth midwifery device (the first control unit and the second control unit do not supplement air) of the present invention
Schematic diagram；
Fig. 2 is that the structure of the childbirth midwifery device (the first control unit and the second control unit supplement air) of the present invention is shown
It is intended to；
Fig. 3 is the zoomed-in view of local A in Fig. 1；
Fig. 4 is the zoomed-in view of local B in Fig. 2.
In figure：
100- actuators；200- air exhausters；400- conduits；500- suckers；510- tabular keeping bodies；511- joints；512-
Air intake passage；520- sucker bodies；The control units of 530- first；The valve bodies of 531- first；532- left chamber；533- right chambers room；
The valve rods of 534- first；The valve elements of 535- first；The springs of 536- first；The valve pockets of 537- second；The valve elements of 538- second；The bullets of 539- second
Spring；The pilot flow paths of 540- first；The pilot flow paths of 541- second；542- sprues；543- by-pass flows road；544- throttlings road；545-
One import；The jackscrews of 546- first；550- pouches；The control units of 560- second；The valve bodies of 561- second；The valve pockets of 562- the 3rd；563-
3rd valve element；The springs of 564- the 3rd；565- inflates runner；566- voltage stabilizing runners；567- pressure accumulation bodies；The imports of 568- second；569-
Second jackscrew；570- Buffer Units；571- fixed cylinders；572- rotating cylinders；573- torsion springs；574- cushion holes；600- heads.
Specific embodiment
To make those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula elaborates to the present invention.
As shown in Figures 1 to 4, embodiment of the invention discloses that a kind of electromechanical integration childbirth midwifery device, the childbirth
Include air exhauster 200 that actuator 100 and actuator 100 connect and driven by actuator 100 with midwifery device, for attracting
The sucker 500 of fetus head 600 and the conduit 400 of connecting sucker 500 and air exhauster 200, sucker 500 includes：Tabular keeps
Body 510, its first plate face is formed with the joint 511 for connecting conduit 400；Sucker body 520, it is first end in horn-like
Cylinder, the second end of sucker body 520 is fixed in the second plate face of tabular keeping body 510, opens up in tabular keeping body 510
There is an air intake passage 512, air intake passage 512 is from the joint of the first plate face insertion to the second plate face so that sucker body 520 and conduit
400 connections, when 200 exhausting of air exhauster, air negative pressure are formed in sucker body 520 in the region of close tabular keeping body 510
Area；First control unit 530, it is used to control the air pressure in air negative pressure area, low to work as the air in air negative pressure area
When predetermined value, the first control unit 530 is air-supplied to air negative pressure area.Buffer Unit 570, it includes being disposed side by side on institute
State fixed cylinder 571 in air intake passage 512 and the rotating cylinder 572 that can be rotated relative to the fixed cylinder 571, described turn
Torsion spring 573 is provided with dynamic cylinder 572, is provided with the fixed cylinder 571 and the rotating cylinder 572 and is axially passed through respectively
The logical fixed cylinder 571 and the cushion hole 574 of the rotating cylinder 572, wherein：When the draft of the air exhauster 200 is constant,
The torsion spring 573 in the raw, the cushion hole 574 of the rotating cylinder 572 and the cushion hole of the fixed cylinder 571
574 sequences, when the draft of the air exhauster 200 change is big, the rotating cylinder 572 overcomes the torsion of the torsion spring 573 and rotates
So that the cushion hole 574 of the rotating cylinder 572 is relative with the cushion hole 574 of the fixed cylinder 571, the upper table of the torsion spring
Face is provided with permalloy layer, and the permalloy layer is iron-nickel alloy, wherein stable particle is contained within the permalloy layer,
The stable particle is the particle of carbide or nitride or boride, and the iron-nickel alloy accounts for permalloy layer body weight
25%, the iron-nickel alloy includes iron, molybdenum, manganese, cobalt, copper and mickel, and its mass fraction accounts for 67% for iron, and described molybdenum accounts for 14%,
Described manganese accounts for 6%, and described cobalt accounts for 4%, and described copper accounts for 7%, and described nickel accounts for 2%, the thickness of the permalloy layer
For 0.1mm, ferrous alloy, austenitic manganese steel or cobalt-based super heat-resistant alloy are also included in the permalloy layer.
The sucker 500 of childbirth midwifery device can be voluntarily produced under rough sledding in puerpera, by attracting fetus head
600 and aid in fetus is pulled out from uterus.And due to being provided with Buffer Unit so that air exhauster changes in draft
When, the pressure value in air negative pressure area also will not suddenly change, so as to play cushioning effect.
It is the characteristics of sucker 500 in the present invention：Caused when the air in sucker 500 is born by the first control unit 530
Air in nip less than predetermined value (predetermined value for medical personnel precalculate design make it possible to draw fetus and not
Air pressure value as damaging corresponding to the gravitation of fetus head 600) when, sucker 500 introduces air and by the sky from extraneous
Gas is fed to air negative pressure area so that air pressure value is raised.
Should illustrate：The position in so-called " air negative pressure area " is located at when sucker 500 attracts fetus, and the one of fetal head tip
Subregion, the region is connected with air exhauster 200 by conduit 400, and the air pressure in the region is with sucker 500 to fetus
Attraction is inversely proportional to, that is to say, that (areal pressure takes away partial air because of air exhauster 200, its air in air negative pressure area
Pressure be less than external air pressure) air pressure value it is less, sucker 500 is bigger to the attraction of fetus, to prevent sucker 500
It is excessive to the attraction of fetus and fetus head 600 is caused to damage, by the first control unit 530 in real time to air negative pressure area
It is interior air-supplied so that the air-stable in air negative pressure area is in the head 600 that can either attract fetus and is unlikely to attraction
It is excessive and damage fetus pressure value on.
Preferably, be additionally provided with display controller 2000 for adjust the speed governing button 2005 of the rotating speed of actuator 100 with
And for controlling the corner button 2006 of the pivoting angle of obstetric table 3000.
The structure of the first control unit 530 of the air pressure value in air negative pressure area can be controlled to be had a lot, at this
In a bright preferred embodiment, as depicted in figs. 1 and 2, the first control unit 530 includes the first valve body 531 and with first
First valve rod 534 of valve element 535；The first valve pocket is offered in first valve body 531, the first valve rod 534 is arranged in the first valve pocket,
First valve pocket is divided into left chamber 532 and right chamber room 533 by the first valve element 535, and left chamber 532 is by sprue 542 and air-breathing
Passage 512 is connected, and the air inlet of sprue 542 is formed in the end in the axial direction of left chamber 532, and right chamber room 533 passes through by-pass flow
Road 543 is connected with sprue 542, and the first valve rod 534 is formed with conehead, right chamber room towards one end of the air inlet of sprue 542
The first spring 536 for pushing against the first valve rod 534 is provided with 533, is further opened with radially connecting a left side on the first valve body 531
First import 545 of chamber 532 and outside air, wherein：
When the air pressure in the thrust of 536 pairs of the first valve rods 534 of the first spring and left chamber 532 is to the first valve rod 534
Thrust sum when being equal to or more than the first 511 pressure of import, the conehead of the first valve rod 534 blocks the air inlet of sprue 542,
When the air pressure in thrust and the left chamber 532 of 536 pairs of the first valve rods 534 of the first spring to the thrust of the first valve rod 534 it
During with less than the first 511 pressure of import, away from the air inlet of sprue 542, outside air is from first for the conehead of the first valve rod 534
Import 511 enters the air inlet of sprue 542, and Jing sprues 542, the air inlet negative pressuren zone of air intake passage 512.
Should explain：Outside air is from the first import 545 into left chamber 532 and the first valve element 535 is produced necessarily push away
Power F1, first the first valve element 535 of 536 pairs, spring produces certain thrust F2, the air Jing sprues 542 and side in air negative pressure area
Runner 543 enters right chamber room 533, and the air pressure in the right chamber room 533 is equal to the air pressure in air negative pressure area, the air
Pressure produces thrust F3 identical with F2 directions and in opposite direction with F1 to the first valve element 535, when F2 and F3 sums are equal to or big
When F1, the closure sprue 542 of the first valve rod 534, outside air cannot be introduced into air negative pressure area, thus, can be by limiting the
Thrust F2 of one spring 536, makes the air pressure in air negative pressure area (predetermined value is less than, to fetal head when being less than predetermined value
The attraction in portion 600 will be excessive), F2 and F3 sums are less than F1, now, the first valve rod 534 away from sprue 542 air inlet,
Outside air raises the pressure value in air negative pressure area by the air inlet negative pressuren zone of sprue 542, so as to less to tire
The attraction of youngster's head 600, and when pressure value is increased to predetermined value, F2 is more than F1, the air inlet of sprue 542 with F3 sums
Closed by the first valve rod 534 again.So that sucker 500 can either attract fetus head 600 and be unlikely to attraction it is excessive and
Damage fetus.
Action to make the first valve rod 534 open and close the air inlet of sprue 542 tends to relaxing and steady, so that empty
Air pressure in gas negative pressuren zone is unlikely to suddenly to fluctuate, and in the first control unit 530 guide structure is additionally provided with, specifically,
First control unit 530 also includes the second valve element 538, and in the first valve body 531 the second valve pocket 537, the second valve element 538 are further opened with
In being arranged on the second valve pocket 537, the end in axial direction that right chamber room 533 passes through the first pilot flow path 540 and the second valve pocket 537 connects
It is logical, second spring 539 is additionally provided with the second valve pocket 537, second spring 539 is used for the second valve element 538 of pushing and pressing so that the second valve
Core 538 can block the first pilot flow path 540, and the first valve rod 534 is formed with the second pilot flow path 541 of insertion in the axial direction,
Second pilot flow path 541 connects the valve pocket 537 of sprue 542 and second, and connection left chamber 532 He is offered on the first valve element 535
The throttling road 544 of right chamber room 533, wherein：Air in the thrust of 536 pairs of the first valve rods 534 of the first spring and left chamber 532
When pressure is less than outside air to the thrust sum of the first valve rod 534, the throttling road 544 of the first valve elements of outside air Jing 535 enters
Enter left chamber 532, then second valve element of the pushing and pressing of the first pilot flow paths of Jing 540 538 enters the second valve pocket 537, then Jing second is first turned on
Road enters sprue 542, so that the air pressure in right chamber room 533 reduces and the first valve element 535 is moved to right sprue 542
Air inlet open.Thus, when needing air-supplied to air negative pressure area, outside air is by throttling road 544, the first guide
Runner 540, the air inlet negative pressuren zone of the second pilot flow path 541, and while so that the first valve element 535 drives the first valve rod 534 to delay
Slow movement causes sprue 542 to open, so that the pressure in air negative pressure area is slowly increased.
For effective protection fetus head 600 and and reduce attraction to fetus, as shown in Figs. 3-4, childbirth is filled with midwifery
Put and also include the pouch 550 by made by elastic expandable material, air is filled with pouch 550, pouch 550 is arranged on sucker body
In 520, and the inwall of sucker body 520 is attached at, pouch 550 surrounds a collecting that can partly coat fetus head 600
Space, air intake passage 512 is connected with accommodation space, and air negative pressure area is formed in and is located at when pouch 550 coats fetus head 600
The top area of head 600.And childbirth midwifery device also include for controlling pouch 550 in air pressure second control
Unit 560, the second control unit 560 includes the second valve body 561 and the 3rd valve element being fixed on the outer wall of sucker body 520
563, the 3rd valve pocket 562 is offered in the second valve body 561, the 3rd valve element 563 is arranged in the 3rd valve pocket 562, the 3rd valve pocket 562
One end be formed with inflation runner 565 in insertion to pouch 550, be provided with the 3rd valve pocket 562 for pushing against the 3rd valve element
563 so that the 3rd valve element 563 can block the 3rd spring 564 of inflation runner 565, and the 3rd valve pocket 562 is provided with the 3rd spring
564 part is further opened with the second import by the air communication in voltage stabilizing runner 566 and pouch 550 on second valve body 561
568, the second import 568 is used for the valve pocket 562 of connection the 3rd and outside air with when the air pressure of pouch 550 reduces, and the 3rd
Valve element 563 is away from the air inlet for inflating runner 565, so that outside air makes capsule by inflating runner 565 in pouch 550
The cladding power increase of the head 600 of 550 pairs of fetuses of bag.Thus, pouch can be controlled by controlling the gas pressure in pouch 550
The cladding power of 550 pairs of fetus heads 600, so as in the attraction for not increasing sucker 500, not cause to damage to fetus head 600
In the case of wound, (tractive force is different from attraction, is by coating fetus can to increase the tractive force to fetus head 600
Whole head 600 and produce, fetus head 600 will not be caused damage, and attraction to be the local to head 600 inhale
Draw, local pulling force is than larger).For example, when coating bad to fetus head 600 because air is less in pouch 550, the 3rd valve
Core 563 is automatically opened up, and outside air increased the amount of air in pouch 550 in pouch 550, so that pouch 550 is filled
Playing can preferably coat the degree of fetus head 600.
Preferably, the pressure accumulation body 567 for inflating for pouch 550 is equiped with the second import 568.
Preferably, the first jackscrew for adjusting the pretension thrust of second spring 539 is additionally provided with the first valve body 531
546.Preferably, the second jackscrew 569 for adjusting the pretension thrust of the 3rd spring 564 is additionally provided with the second valve body 561.
Claims (8)
1. a kind of electromechanical integration childbirth midwifery device, including actuator and the actuator connect and by the actuator
The conduit of the air exhauster of driving, the sucker for attracting fetus head and the connection sucker and the air exhauster, its feature
It is that the sucker includes：
Tabular keeping body, its first plate face is formed with the joint for connecting the conduit；
Sucker body, it is in trumpet-shaped cylinder that it is first end, and the second end of the sucker body is fixed on the tabular and keeps
In second plate face of body, air intake passage is offered in the tabular keeping body, the air intake passage is from the first plate face insertion to
The joint of two plate faces so that the sucker body is connected with the conduit, when the air exhauster exhausting, the sucker sheet
Form air negative pressure area in the region of the tabular keeping body in vivo；
First control unit, it is used to control the air pressure in the air negative pressure area, with when in the air negative pressure area
When air is less than predetermined value, first control unit is air-supplied to the air negative pressure area；
Buffer Unit, it include the fixed cylinder that is disposed side by side in the air intake passage and can relatively described fixed cylinder turn
Dynamic rotating cylinder, is provided with torsion spring in the rotating cylinder, the upper surface of the torsion spring is provided with permalloy layer, the perm
Alloy-layer is iron-nickel alloy, wherein being contained within stable particle in the permalloy layer, the stable particle is carbide or nitrogen
The particle of compound or boride, the iron-nickel alloy accounts for the 25% of permalloy layer body weight, the iron-nickel alloy include iron,
Molybdenum, manganese, cobalt, copper and mickel, its mass fraction accounts for 67% for iron, and described molybdenum accounts for 14%, and described manganese accounts for 6%, and described cobalt is accounted for
4%, described copper accounts for 7%, and described nickel accounts for 2%, and the thickness of the permalloy layer is 0.1mm, in the permalloy layer
Ferrous alloy, austenitic manganese steel or cobalt-based super heat-resistant alloy are also included, is respectively provided with the fixed cylinder and the rotating cylinder
Have respectively axially through the fixed cylinder and the cushion hole of the rotating cylinder, wherein：
When the air exhauster draft is constant, in the raw, the cushion hole of the rotating cylinder is solid with described for the torsion spring
The cushion hole sequence of fixed column body, when air exhauster draft change is big, the rotating cylinder overcomes the torsion spring torsion and turns
Move so that the cushion hole of the rotating cylinder is relative with the cushion hole of the fixed cylinder.
2. childbirth midwifery device according to claim 1, it is characterised in that first control unit includes the first valve
Body and the first valve rod with the first valve element；The first valve pocket is offered in first valve body, first valve rod is arranged on institute
In stating the first valve pocket, first valve pocket is divided into left chamber and right chamber room by first valve element, and the left chamber is by master
Runner is connected with the air intake passage, and the air inlet of the sprue is formed in the end in the axial direction of the left chamber, described
Right chamber room is connected by by-pass flow road with the sprue, and first valve rod is formed towards one end of the air inlet of the sprue
There is conehead, the first spring for pushing against first valve rod is provided with the right chamber room, also open up on first valve body
There is the first import for radially connecting the left chamber and outside air, wherein：
When first spring to the air pressure in the thrust of first valve rod and the left chamber room to first valve rod
Thrust sum when being equal to or more than first inlet pressure, the conehead of first valve rod blocks the air inlet of the sprue
Mouthful, when first spring to the air pressure in the thrust of first valve rod and the left chamber room to first valve rod
When thrust sum is less than first inlet pressure, the conehead of first valve rod away from the sprue air inlet, it is extraneous
Air enters the air inlet of the sprue from first import, and sprue, the air intake passage described in Jing enter described
Air negative pressure area.
3. childbirth midwifery device according to claim 2, it is characterised in that first control unit also includes second
Valve element, is further opened with the second valve pocket in first valve body, second valve element is arranged in second valve pocket, the right chamber
Room is connected by the first pilot flow path with the end in the axial direction of second valve pocket, and in second valve pocket second is additionally provided with
Spring, the second spring is used to push against second valve element so that second valve element can block first pilot flow
Road, first valve rod is formed with the second pilot flow path of insertion in the axial direction, and second pilot flow path connects the main flow
Road and second valve pocket, offer the throttling road for connecting the left chamber and the right chamber room on first valve element, wherein：
When first spring to the air pressure in the thrust of first valve rod and the left chamber room to first valve rod
Thrust sum when being less than the outside air, the throttling road of the first valve element described in the outside air Jing enters the left side
Chamber, then the first pilot flow path described in Jing pushes against second valve element and enter second valve pocket, then second first turn on described in Jing
Road enters the sprue, so that the air pressure in the right chamber room reduces and makes the first valve element move to right entering sprue
Gas port is opened.
4. childbirth midwifery device according to claim 1, it is characterised in that also include by made by elastic expandable material
Air is filled with pouch, the pouch, the pouch is arranged on the sucker sheet in vivo, and is attached at the sucker body
Inwall, the pouch surrounds a receiving space that can partly coat fetus head, and the air intake passage is empty with the storage
Between connect, the air negative pressure area be formed in when the pouch coat the fetus head when positioned at head top area.
5. childbirth midwifery device according to claim 4, it is characterised in that also include hollow for controlling the pouch
Second control unit of atmospheric pressure, second control unit includes the second valve body being fixed on the outer wall of the sucker body
With the 3rd valve element, the 3rd valve pocket is offered in second valve body, the 3rd valve element is arranged in the 3rd valve pocket, described
One end of 3rd valve pocket is formed with the inflation runner in insertion to pouch, is provided with the 3rd valve pocket for pushing against described
So that the 3rd valve element can block the 3rd spring of the inflation runner, the 3rd valve pocket is provided with described the to three valve elements
The part of three springs is further opened with second and is entered by the air communication in voltage stabilizing runner and the pouch on second valve body
Mouthful, second import is used to connecting the 3rd valve pocket and outside air with when the air pressure of the pouch reduces, institute
Air inlet of the 3rd valve element away from the inflation runner is stated, so that outside air is entered in the pouch by the inflation runner
And make the pouch increase the cladding power of the head of the fetus.
6. childbirth midwifery device according to claim 5, it is characterised in that be equiped with second import for for
The pressure accumulation body of the pouch inflation.
7. childbirth midwifery device according to claim 3, it is characterised in that be additionally provided with first valve body for
Adjust the first jackscrew of the pretension thrust of the second spring.
8. childbirth midwifery device according to claim 5, it is characterised in that be additionally provided with second valve body for
Adjust the second jackscrew of the pretension thrust of the 3rd spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064054.XA CN106618693B (en) | 2016-11-28 | 2016-11-28 | Midwifery device is used in a kind of childbirth of electromechanical integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064054.XA CN106618693B (en) | 2016-11-28 | 2016-11-28 | Midwifery device is used in a kind of childbirth of electromechanical integration |
Publications (2)
| Publication Number | Publication Date |
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| CN106618693A true CN106618693A (en) | 2017-05-10 |
| CN106618693B CN106618693B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611064054.XA Expired - Fee Related CN106618693B (en) | 2016-11-28 | 2016-11-28 | Midwifery device is used in a kind of childbirth of electromechanical integration |
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| CN (1) | CN106618693B (en) |
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| CN108478264A (en) * | 2018-02-05 | 2018-09-04 | 日照轩宜信息科技有限公司 | A kind of portable midwifery device |
| CN109381320A (en) * | 2017-08-03 | 2019-02-26 | 天津三五科技有限公司 | A kind of electromechanical integration electromechanics care monitoring device |
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| Publication number | Publication date |
|---|---|
| CN106618693B (en) | 2019-06-28 |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Li Bing Inventor after: Zhou Long Inventor before: Zhou Long |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190531 Address after: Room 308, 3rd floor, Office Building of Wenshang People's Hospital, No. 1 Dehui Road, Wenshang County, Jining City, Shandong Province Applicant after: Li Bing Address before: 300000 Tianjin Hexi District Huanhu West Road No. 7 221 Applicant before: Tianjin double Technology Co., Ltd. |
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Granted publication date: 20190628 Termination date: 20191128 |