Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of cervical dilatation for facilitating feed liquor
Foley's tube, when effective solution existing cervical dilatation, will cause the problem of the uncomfortable fluid injection inconvenience simultaneously of patient.
Its technical solution solved the problems, such as include it is vertical place and conduit closed at both ends, the upper end of conduit be it is hemispherical,
It is coaxial that the outside of the upper semisection of conduit has been sequentially arranged the first sacculus, the second sacculus and third sacculus, catheter interior from top to bottom
The shaft of conduit is stretched out equipped with a lower end, a block plate is equipped in conduit, and conduit is divided into upper and lower two and is not connected to mutually by block plate
Cavity, the part that shaft is placed in upper end cavity is equipped with external screw thread, is installed with a first piston on external screw thread, rotating shaft can
First piston is set to move up and down in the first cavity, first piston is fixed with tension spring close to one end of block plate, sets in the cavity of lower end
There is a second piston, second piston is fixed with drawstring on the end face of block plate, and the other end of drawstring passes through the another of block plate and tension spring
One end is fixedly connected, and first piston is moved upwards drives second piston to move upwards through drawstring and tension spring, the left side tube wall of conduit
The first water injection pipe is equipped in interlayer, the first water injection pipe is connected to lower end cavity and the second sacculus, in the right side tube wall interlayer of conduit
Equipped with the second water injection pipe, the second water injection pipe is connected with the first sacculus, upper end cavity and third sacculus, and the right side of conduit is equipped with perpendicular
To piston cylinder, the first water injection pipe is connected to from right side with piston cylinder, and the second water injection pipe is connected to from left side with piston cylinder, the first water filling
Mouth communicating position is lower than the second water filling port communicating position, and a third piston is equipped in piston cylinder, and third piston is interior equipped with a Y
Shape channel, two, Y shape channel branch mouth from the side wall of third piston stretch out and left side branch mouth be higher than right side branch mouth, third piston it is upper
Side is equipped with cross bar, connects between cross bar and piston through the first pressure spring, and the left and right ends of cross bar are equipped with bullet block, on the side wall of piston cylinder
Groove equipped with two groups of arrangements side by side up and down and with the cooperation of bullet block.
Present inventive concept is novel, and clever structure is practical, by the setting of upper end cavity and lower end cavity so that at this
Device using when do not have to fill up sacculus completely but can fill again in patient's use process, fill polyvinyl chloride side
Just make Patient Experience sense more preferably simultaneously.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
By Fig. 1 to Fig. 7 it is found that the present invention includes vertical placement and conduit 1 closed at both ends, the upper end of conduit 1 is hemisphere
Shape, the outside of the upper semisection of conduit 1 have been sequentially arranged the first sacculus 2, the second sacculus 3 and third sacculus 4, conduit 1 from top to bottom
Inside is coaxially provided with the shaft 5 that conduit 1 is stretched out in a lower end, is equipped with a block plate 6 in conduit 1, it is upper that block plate 6, which divides conduit 1,
Lower two mutual disconnected cavitys, the part that shaft 5 is placed in upper end cavity are equipped with external screw thread, are installed with one first on external screw thread
Piston 7, rotating shaft 5 can make first piston 7 move up and down in the first cavity, and first piston 7 is fixed close to one end of block plate 6
There is tension spring 8, is equipped with second piston 9 in the cavity of lower end, second piston 9 is fixed with drawstring 10, drawstring 10 on the end face of block plate 6
The other end pass through block plate 6 and be fixedly connected with the other end of tension spring 8, first piston 7 is moved upwards to be driven through drawstring 10 and tension spring 8
Second piston 9 moves upwards, and the first water injection pipe 11, the first water injection pipe 11 and lower end chamber are equipped in the left side tube wall interlayer of conduit 1
Body and the second sacculus 3 are connected to, and the second water injection pipe 12, the second water injection pipe 12 and the first ball are equipped in the right side tube wall interlayer of conduit 1
Capsule 2, upper end cavity are connected with third sacculus 4, and the right side of conduit 1 is equipped with vertical piston cylinder 13, and the first water injection pipe 11 is from the right side
Side is connected to piston cylinder 13, and the second water injection pipe 12 is connected to from left side with piston cylinder 13, and the first water filling port communicating position is lower than second
Water filling port communicating position, piston cylinder 13 is interior to be equipped with a third piston 14, is equipped with a Y shape channel 15, Y shape in third piston 14
15 two, channel branch mouth is stretched out from the side wall of third piston 14 and left side branch mouth is higher than right side branch mouth, and the top of third piston 14 is set
There is cross bar 16, connected between cross bar 16 and piston through the first pressure spring 17, the left and right ends of cross bar 16 are equipped with bullet block 18, piston cylinder 13
Side wall be equipped with two groups it is side by side up and down arrangement and with bullet block 18 cooperate grooves 19.
In order to facilitate the rotation and fixation of shaft 5, the lower end of the shaft 5 is cased with the thumb wheel 20 of synchronous rotation, dials
20 inner edge surfaces are taken turns equipped with first sliding groove 21, the periphery of shaft 5 is equipped with the sliding block 22 matched with first sliding groove 21, thumb wheel
20 can move axially along shaft 5, and 1 lower end surface of conduit is equipped with pin 23, and one end circumference of the thumb wheel 20 close to 1 lower end surface of conduit is equal
Multiple location holes 24 that can cooperate with pin 23 are furnished with, can be achieved to be detached from when pin 23 by the cooperation of pin 23 and location hole 24
It can be rotated the rotation of 20 drive shaft 5 of thumb wheel when location hole 24, pin 23 is inserted into the fixation that location hole 24 realizes reel.
In order to facilitate the fixation of tension spring 8 and drawstring 10, the lower end of the first piston 7 is fixed with the first mounting disc 25, draws
The upper end of spring 8 is fixed in the first mounting disc 25, and the upper end of second piston 9 is fixed with the second mounting disc 26, the lower end of drawstring 10
It is fixedly connected with the second mounting disc 26, the other end of drawstring 10 is fixedly connected with the other end of tension spring 8.
It is not able to rotate to realize that first piston 7 can only move up and down, it is sliding that second is equipped on each first piston 7
Slot, the inner wall of conduit 1 are equipped with the sliding rail 27 matched with second sliding slot.
The positioning of first sacculus 2 and third sacculus 4 for convenience, first sacculus 2 and third sacculus 4 are in cone after strutting
Shape, and the first sacculus 2 is opposite with the conical surface of third sacculus 4.
The both ends of the cross bar 16 are respectively provided with a blind hole 28, and bullet block 18 is placed in blind hole 28, bullet block 18 and 28 bottom of blind hole
It is connected between portion through the second pressure spring 29, slideway is equipped between two ipsilateral grooves 19, the depth of slideway is less than 19 depth of groove.
The block plate 6 is equipped with the through-hole passed through for drawstring 10, is equipped with sealing ring on through-hole, and through-hole diameter is less than
8 diameter of tension spring.
First water injection pipe 11 is located at lower end cavity communication port close to 6 position of block plate, the second water injection pipe 12 and upper end
It is right to guarantee that first piston 7 and second piston 9 will not block its during exercise for the upper end for being located proximate to conduit 1 of cavity connection
The feed liquor communication port answered.
It is steady when to guarantee that first piston 7 drives second piston 9 to move, between the first piston 7 and second piston 9
It is evenly equipped at least two groups drawstring 10 and tension spring 8.
The original state of the present apparatus, which is that the lower end position tension spring 8 that two first pistons 7 are located at upper end cavity is in, not to be stretched
State, upper end cavity are in space maximum rating, and second piston 9 moves to the lowest positions of conduit 1, at this time the first sacculus
2, the second sacculus 3 and third sacculus 4 be in it is non-prop up state, cross bar 16 is placed in one group of groove 19 of lower end, first pressure
Under itself retracted position of spring 17, the Y shape channel 15 of third piston 14 is not connected to the first water injection pipe 11 and the second water injection pipe 12.
The present apparatus is placed in patient uterine's neck position and is guaranteed, the first sacculus 2 is located inside cervix, the second sacculus 3
At cervix, third sacculus 4 is located at the outside of cervix, at this time by the lower end necking position of piston cylinder 13 to infusing inside it
Enter physiological saline, original state with the Y shape channel 15 on third piston 14 with any one water injection pipe by not being connected to, therefore third
Piston 14 is closed state, and by large capacity syringe, into piston cylinder 13, slow fluid injection moves up third piston 14, the
Three pistons 14, which move up, is connected to 15 left side branch mouth of Y shape channel and second liquid injection pipe in the left side of piston cylinder 13, physiological saline into
Enter the second water injection pipe 12, the second water injection pipe 12 is connected to the first sacculus 2, upper end cavity and third sacculus 4, therefore in injection physiology
When salt water, the first sacculus 2, upper end cavity and third sacculus 4 can receive physiological saline, and pressure is identical, therefore the first ball
Capsule 2, upper end cavity and third sacculus 4 gradually fill physiological saline, and the first sacculus 2 and third sacculus 4 are strutted cervix at this time
Positioning.
As the first sacculus 2, upper end cavity and 4 fluid injection of third sacculus reach and reach suitable diameter, 2 He of the first sacculus
It is that third piston 14 is leaned on to move up the decrement of the first pressure spring 17 of extruding to control that third sacculus 4, which reaches suitable diameter, and third is living
Plug 14 moves again up, and so that its Y shape is led to left side branch mouth and be detached from the second inlet tube 12, at the same time as third is living
Plug 14 moves up, the first pressure spring 17 second compression again, while the bullet block 18 on cross bar 16 is persistently extruded in groove 19, and make
Bullet block 18 has the tendency that disengaging lower end groove 19, makes its elastic force be enough to make bullet when third piston 14 moves up the first pressure spring 17 of compression
After block 18 is detached from lower end groove 19, bullet block 18 is detached from lower end groove 19, and cross bar 16 is moved upwards through slideway and to enter upper end recessed
In slot 19,17 elastic force of the first pressure spring discharges at this time, and third piston 14 makes its right end Y row of channels branch mouth and the first inlet tube to shifting
Then connection is filled the water by the first water injection pipe 11 to lower end cavity and the second sacculus 3, the amount of injecting normal saline is suffered from this time with allowing
Person, which experiences, to be strutted but is standard to cause discomfort, is stopped fluid injection after the completion and is made third under the reset response of the first pressure spring 17
Piston 14 resets downwards a distance, but moves to upper recess out of initial position lower end groove 19 due to cross bar 16 at this time
In 19, thus third piston 14 be reset to make its 15 right end branch mouth of Y shape channel be detached from the first inlet tube but left end branch mouth also not with
First inlet tube communicating position, third piston 14 blocks the first inlet tube and the second inlet tube at this time.
At this time due to the cervix of the second sacculus 3 constantly stimulation patient, have after patient uterine's neck is stimulated ever-expanding
Trend, patient feels after can expanding again after a period of time, is detached from location hole 24 thereon by downward drawing thumb wheel 20
Pin 23, rotating shaft 5, shaft 5 rotate so that its part for being located at upper end cavity drives first piston 7 to transport upwards at this time
Dynamic, first piston 7 moves upwards the tightening that can realize drawstring 10, and makes second piston 9 have what is moved upwards to become by tension spring 8
Gesture, first piston 7 move upwards as screw drive, hard mechanical presses are now in, so that the intracorporal physiological saline quilt of upper end chamber
It squeezes to the first sacculus 2 and the second sacculus 3, the second piston 9 for being also that moves upwards of first piston 7 has upwards at the same time
The trend of movement, but this trend is driven jointly through tension spring 8 and drawstring 10, and tension spring 8 has elasticity, therefore second piston 9 exists
It is flexible motion when moving upwards, physiological saline is advanced into the expansion again that the second sacculus 3 is realized in the second sacculus 3 at this time
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Present apparatus comparison conventional balloon dilating catheter 1 has following benefit:
1, the present apparatus compares traditional realization of foley's tube 1 and first prestores the physiological saline of quadratic extension to upper end cavity and lower end
In cavity, realizing that first piston 7 squeezes by rotating shaft 5 when patient's cervix opens more after the stimulation of a period of time
Chamber intracorporal physiological saline in upper end enters in the first sacculus 2 and third sacculus 4, while second piston 9 being driven to make in tension spring 8
The intracorporal liquid of lower end chamber is squeezed with realization second piston 9 under the action of drawstring 10 and enters the second sacculus 3, this process does not need
Additional physiological saline feed liquor driving, puerpera can voluntarily be adjusted according to its physical condition, eliminate medical staff's auxiliary liquid adding,
Time saving convenience.
2, the intracorporal physiological saline of upper end chamber in the present apparatus is squeezed by the first piston 7 of screw-driven, due to first
Sacculus 2 is located at intrauterine, and third sacculus 4, which is located at the two space in birth canal, can be used range big, and the second sacculus 3 passes through 8 He of tension spring
The flexible extruding for squeezing lower end cavity and realizing physiological saline of effect driving second piston 9 of drawstring 10, extrusion process includes tension spring 8
It is flexible reset, patient is more comfortable when this process enables the second sacculus 3 to be propped up.
3, to be placed in human body initial stage ostium of uterus opening in the present apparatus small, therefore the first sacculus 2 and third sacculus 4 are without very big i.e.
The fixation to the second sacculus 3 can be achieved, while the present apparatus guarantees the first sacculus 2 and third sacculus 4 before the expansion of the second sacculus 3
It is first expanded, with the increase of the second sacculus 3, the first sacculus 2 and third sacculus 4 also be will increase, and guarantee the during this
Two sacculus 3 are positioned always, so that the present apparatus makes patient more comfortable and can effectively prevent the present apparatus while more humanized
Abjection when in use.
4, the present apparatus moves up and down realization through large capacity syringe extruding physiology salt by third piston 14 in piston cylinder 13
Water enters in upper end cavity, the first sacculus 2 and third sacculus 4 through the second water injection pipe 12, after reaching a certain level its pressure
It is pushing third piston 14 to move upwards, is opening the first water injection pipe 11 and the first water injection pipe 11 while blocking the second water injection pipe 12
The pressure into physiological saline not by pressure influence in the second water injection pipe 12, the answering in the first pressure spring 17 after completing fluid injection
Position effect is lower to be can be achieved simultaneously to block the first water injection pipe 11 and the second water injection pipe 12, easy to operate, without replacing back and forth
It can be achieved with the feed liquor to two water injection pipes, while being realized using the fixation pressure that the first pressure spring 17 provides to the first sacculus 2
With the fluid injection of third sacculus 4, and inflates it into suitable dimension and come instead of traditional siphunculus medical staff experience and fixed liquid
Method make the present apparatus more scientific, expanding for the second sacculus 3 is felt by puerpera itself, so that the present apparatus is using more
Hommization.
Present inventive concept is novel, and clever structure is practical, by the setting of upper end cavity and lower end cavity so that at this
Device using when do not have to fill up sacculus completely but can fill again in patient's use process, fill polyvinyl chloride side
Just make Patient Experience sense more preferably simultaneously.