CN209629781U - Disposable uterus midwifery sacculus - Google Patents

Abstract

The utility model provides a kind of disposable uterus midwifery sacculus, comprising: cue ball capsule, secondary sacculus, conduit and selector；Cue ball capsule and secondary sacculus are arranged on conduit, and cue ball capsule is located at the top of conduit, and secondary sacculus is located at below cue ball capsule；Cue ball capsule includes the first auxiliary sacculus expanded ball and expansion ball bottom is arranged in, and secondary sacculus includes spacing ball and the second auxiliary sacculus being arranged at the top of spacing ball；Conduit includes the first pipe of connection expansion ball, the second pipe for being connected to the first auxiliary sacculus, the third pipeline for being connected to spacing ball and the 4th pipeline for being connected to the second auxiliary sacculus；The bottom end of conduit is arranged in selector, implements to close to conduit for the pipeline in sacculus fluid injection stage selection liquid communication, and after fluid injection.Disposable uterus midwifery sacculus described in the utility model, can rise midwifery sacculus reduces the foreign body sensation of user to the expansion effect of uterine neck, while easy to operate, without frequently replacement injection catheter.

Description

Disposable uterus midwifery sacculus

Technical field

The utility model belongs to field of medical products, more particularly, to a kind of disposable uterus midwifery sacculus.

Background technique

Midwifery sacculus is a kind of novel obstetrics' Medical Devices, belongs to non-medication midwifery instrument classification, can naturally, safely Make cervical dilatation in a stepwise fashion, increase induced labor success rate.

Existing midwifery sacculus can be roughly divided into two classes: single ball-type and double spherical.Wherein the expansion ball of single ball-type is placed in palace On the inside of neck, the position of sacculus can not be limited in balloon expandable, sacculus is easy to cause to probe into too deep and injure user. And the expansion ball of double spherical midwifery sacculus is located on the inside of uterine neck, spacing ball is located at lateral cervical, make when in use two sacculus according to Secondary expansion shortens the distance between two sacculus by the expansion of balloon volume, to achieve the effect that make uterine neck to soften, shorten.But Two sacculus are respectively positioned on uterine neck port position, expanse effect can not be made to be applied to inside entire uterine neck, while in sacculus Still certain discomfort can be generated in expansion process, will cause the anxiety of puerpera.Further, since double spherical midwifery sacculus needs to divide It is other that medium injection is carried out to two sacculus, therefore its outer conduit is complex, and conduit is needed to frequently replace in injection process.

Utility model content

In view of this, the utility model is directed to a kind of disposable uterus midwifery sacculus, to promote midwifery sacculus To the expansion effect of uterine neck.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of disposable uterus midwifery sacculus, comprising: cue ball capsule, secondary sacculus, conduit and selector；The cue ball capsule It is arranged on conduit with secondary sacculus, and cue ball capsule is located at the top of conduit, secondary sacculus is located at below cue ball capsule, in cue ball capsule and pair There are the spacing of 3cm between sacculus；

The cue ball capsule includes expansion ball and the first auxiliary sacculus, and the first auxiliary sacculus is located at expansion ball bottom, Middle expansion ball is spherical shape, and the first auxiliary sacculus is hemispherical, and first assists the top section of sacculus and the bottom ball of expansion ball Face is connected；

The pair sacculus includes spacing ball and the second auxiliary sacculus, and the second auxiliary sacculus is located at the top of spacing ball, Middle spacing ball is spherical shape, and the second auxiliary sacculus is hemispherical, and second assists the bottom section of sacculus and the top ball of spacing ball Face is connected；

The conduit includes merging bundles of first pipe, second pipe, third pipeline and the 4th pipeline, first pipe Road connection expansion ball, second pipe connection the first auxiliary sacculus, third pipeline are connected to spacing ball, the second auxiliary of the 4th pipeline connection Sacculus；

The bottom end of conduit is arranged in the selector, for the pipeline in sacculus fluid injection stage selection liquid communication, and Conduit is implemented to close after fluid injection, the top of the selector is connected with the bottom end of conduit, the bottom of selector and infusion Pipe is connected.

Further, the selector includes shell and throttling set；The enclosure interior is divided into isolation sky by filter screen Between and feed liquor space, the input duct is connected with perfusion tube, and the insulating space inside is divided by three flow distribution plates The identical fluid chamber of four specifications, four fluid chambers are connected with four root canal roads in conduit respectively；It is all provided in each fluid chamber There is the throttling set for cutting off or allowing liquid to flow, the throttling set includes upper guide groove, lower guide channel, pressing tablet and bullet Spring, the lower guide channel are vertically set on the bottom surface of shell, and upper guide groove is located at the surface of lower guide channel and is connected with housing top surface, Gap is equipped between upper guide groove and lower guide channel；The bottom end of the pressing tablet is placed in inside lower guide channel, and is led under by spring Groove bottom is connected, and the top of pressing tablet passes through upper guide groove and stretches out housing top surface, and delivery hole is additionally provided on pressing tablet.

Further, retention bead is equipped on the front and back sides of the pressing tablet, the retention bead is located at delivery hole Lower section, retention bead limit the movement travel of pressing tablet by the end face of upper guide groove and lower guide channel.

Further, the vertical range of the retention bead to delivery hole is equal with the clearance distance between upper and lower guide groove.

Further, the maximum volume of the first auxiliary sacculus and the second auxiliary sacculus is equal, expands ball and spacing ball Maximum volume it is equal, and first auxiliary sacculus maximum volume be expansion ball maximum volume one third.

Further, the center of circle of the first pipe top end surface is overlapped with the centre of sphere of expansion ball, and the top of first pipe End surface is arcwall face.

Further, it is equipped with casing outside the conduit between the secondary sacculus and selector, described sleeve pipe is for fettering Each pipeline in conduit.

Compared with the existing technology, disposable uterus midwifery sacculus described in the utility model has the advantage that

(1) disposable uterus midwifery sacculus described in the utility model is existed by the first auxiliary sacculus when in use Uterine neck is implemented to expand inside the internal orifice of uterine neck, is expanded, is not being increased inside the collar extension of uterine neck by the second auxiliary sacculus Sacculus is improved under the premise of liquid feeding body injection volume to the expansion effect of uterine neck.Meanwhile in liquid injection amount and prior art phase With in the case where, the liquid of injection is assigned in four sacculus by the utility model, so that the volume of each sacculus is respectively less than The volume of existing sacculus can reduce the foreign body sensation of puerpera, avoid generating intense strain.

(2) disposable uterus midwifery sacculus described in the utility model, by selector to the water supply of each sacculus into Row control, and complicated conduit is integrated.It only needs for syringe to be connected with perfusion tube when in use, it is different by controlling Throttling set controls the flow direction of liquid, simplifies the operating process of medical worker, improves the service efficiency of midwifery sacculus.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.In In attached drawing:

Fig. 1 is the structural schematic diagram of disposable uterus midwifery sacculus described in the utility model embodiment；

Fig. 2 is the interior view of disposable uterus midwifery sacculus cutting at shell described in the utility model embodiment Figure；

Fig. 3 is selector cut-away illustration described in the utility model embodiment；

Fig. 4 is cue ball capsule cutting partial enlarged view described in the utility model embodiment.

Description of symbols:

1- expands ball；2- first assists sacculus；3- spacing ball；4- second assists sacculus；5- selector；51- shell；511- Filter screen；512- flow distribution plate；52- upper guide groove；53- lower guide channel；54- pressing tablet；541- delivery hole；542- retention bead；55- liquid Body cavity；56- feed liquor space；6- first pipe；7- second pipe；8- third pipeline；The 4th pipeline of 9-；10- casing；11- infusion Pipe.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

A kind of disposable uterus midwifery sacculus, comprising: cue ball capsule, secondary sacculus, conduit and selector 5, structure can Illustrated by attached drawing 1.As shown in Figure 1, cue ball capsule and secondary sacculus are arranged on conduit, and cue ball capsule is located at the top of conduit, Secondary sacculus is located at below cue ball capsule, and there are the spacing of 3cm between cue ball capsule and secondary sacculus.Wherein cue ball capsule is placed in uterine neck Side, secondary sacculus are placed in lateral cervical, replace saline injection to two sacculus at work, so that the volume expansion of sacculus, real The effect of existing cervix dilating internal diameter.Meanwhile during two balloon inflations, the spacing between two sacculus can become smaller, in turn Realize the purpose for shortening uterine neck.Spacing in the present embodiment between cue ball capsule and secondary sacculus refers to being in contraction state in sacculus Under spacing, since the cervical length of today's society women is between 2.5cm-3cm mostly, two ball when not expanded The spacing of capsule should be greater than cervical length, to guarantee that two sacculus can be respectively acting on the inner and outer ends of uterine neck.

The cue ball capsule being placed on the inside of uterine neck includes expansion ball 1 and the first auxiliary sacculus 2, wherein expansion ball 1 is for executing palace Expansion movement on the inside of neck, the first auxiliary sacculus 2 carry out expansion movement for entering from uterine neck internal orifice inside uterine neck.Wherein expand Ball 1 is spherical shape, and first assists 2 hemisphericals of sacculus, and the first auxiliary sacculus 2 is located at the bottom of expansion ball 1, and the first auxiliary sacculus 2 top section is connected with the bottom spherical surface of expansion ball 1.

The secondary sacculus for being placed in lateral cervical includes spacing ball 3 and the second auxiliary sacculus 4, and wherein spacing ball 3 is for executing palace Expansion movement on the outside of neck, while position restriction is carried out to expansion ball 1, avoid expansion ball 1 from being squeezed by uterine wall and go deep into internal organs Puerpera and fetus are caused to damage inside.Second auxiliary sacculus 4 carries out expansion movement for entering from cervical orifice inside uterine neck, And cooperated with the first auxiliary sacculus 2, so that the inside of uterine neck has expansion fulcrum, promotes the present apparatus and the expansion of uterine neck is imitated Fruit.Wherein spacing ball 3 is spherical shape, and the second auxiliary sacculus 4 is hemispherical, and the second auxiliary sacculus 4 is located at the top of spacing ball 3, and The bottom section of second auxiliary sacculus 2 is connected with the top spherical surface of spacing ball 3.

Preferably, the maximum volume of the first auxiliary sacculus 2 and the second auxiliary sacculus 4 is equal, expansion ball 1 and spacing ball 3 Maximum volume is equal, and the maximum volume of the first auxiliary sacculus 2 is the one third for expanding 1 maximum volume of ball.

Existing midwifery sacculus would generally inject the physiological saline of 80ml when in use to realize the expansion of sacculus.In this reality It applies in example, the dosage of physiological saline stills remain in 80ml, but can preferably expand to uterine neck.Specifically, first to expansion It opens and injects 10ml physiological saline inside ball 1 again to injection 10ml physiological saline inside spacing ball 3, so that midwifery sacculus is fixed on palace In neck；Then to alternate water injection in expansion ball 1 and spacing ball 3, until adding up water filling inside expansion ball 1 and spacing ball 3 respectively 30ml expands ball 1 and spacing ball 3 at this time and applies pressure with uterine neck from the internal orifice of uterine neck and collar extension respectively, becomes uterine neck internal diameter Greatly, length shortens；10ml physiological saline is respectively finally injected into the first auxiliary sacculus 2 and the second auxiliary sacculus 4, is made hemispheric The land portions of first auxiliary sacculus 2 (the second auxiliary sacculus 4) reach from uterine neck internal orifice (collar extension) to uterine neck internal protrusion The effect of cervix dilating.

Conduit for supplying water to cue ball capsule and secondary sacculus includes: first pipe 6, second pipe 7, third pipeline 8 With the 4th pipeline 9, four root canal roads, which can choose, merges bunchy by the way of twisted, is tied up alternatively by frenulum. The upper end of the conduit is separately connected each sacculus, specifically, the connection expansion ball 1 of first pipe 6, the connection of second pipe 7 first Sacculus 2 is assisted, third pipeline 8 is connected to spacing ball 3, the 4th pipeline 9 connection the second auxiliary sacculus 4.The lower end of conduit connects selection Device 5, the selector 5 is used for the pipeline in sacculus fluid injection stage selection liquid communication, and implements after fluid injection to conduit Closing, structure can be by being illustrated with 2 and Fig. 3.

The selector 5 includes shell 51 and throttling set.Divided inside the shell 51 by filter screen 511 for insulating space With feed liquor space 56, the identical fluid chamber 55 of four specifications wherein is divided by three flow distribution plates 512 inside insulating space, on It states four fluid chambers 55 to be connected with four root canal roads in conduit respectively, feed liquor space 56 is connected in perfusion tube 11.Illustratively, such as Shown in Fig. 3, four fluid chambers 55 are from left to right successively marked as No.1, No. two, No. three and No. four, wherein No.1 and the 4th pipeline 9 are connected, and No. two are connected with third pipeline 8, and No. three are connected with first pipe 6, and No. four are connected with second pipe 7.Due to the first pipe Road 6 needs to supply water to the inside of expansion ball 1, therefore its tube side is longer, which can be utilized at centered position First pipe 6 plays the effect of concatenation to whole device, promotes the globality of the present apparatus.

Preferably, 56, feed liquor space pyramidal structure, the open side of taper is towards filter screen 511.By feed liquor space The liquid that 56, which are set as taper, can facilitate perfusion tube 11 to import is dispersed, while also can reduce the whole body of selector 5 Product, keeps whole device more compact.

Throttling set is equipped in each fluid chamber 55, the throttling set is used to control the liquid flow in fluid chamber 55 Emotionally condition.Specifically, the liquid in fluid chamber 55 cannot circulate, therefore be connected with the fluid chamber 55 when throttling set closure Pipeline can not just obtain liquid, the amount of liquid being arranged in the sacculus of the pipeline other end cannot change；Work as throttling When device is opened, liquid can permit from 55 flow ipe of fluid chamber, and make the balloon inflation of the pipeline other end, while can also Make the liquid reflux in sacculus into fluid chamber, realizes the diminution of sacculus.

In the present embodiment, throttling set includes upper guide groove 52, lower guide channel 53, pressing tablet 54 and spring.The lower guide channel 53 are vertically set on the bottom surface of shell 51, and upper guide groove 52 is located at the surface of lower guide channel 53 and is connected with 51 top surface of shell, In Gap is equipped between two guide grooves.It is equipped with pressing tablet 54 in two guide grooves, a circular delivery hole is equipped in pressing hole 54 541, inside the lower end of pressing tablet 54 insertion lower guide channel 53, and be connected by spring with 53 bottom surface of lower guide channel, pressing tablet 54 it is upper Hold the top surface that shell 51 is stretched out across upper guide groove 52 and as press points.

The upper guide groove 52 and lower guide channel 53 are for limiting the motion profile of pressing tablet 54, optionally, upper guide groove 52 and lower guide channel 53 can be rectangular guide groove, the cross sectional shape of pressing tablet 54 is consistent with shape in the slot of guide groove.In shell 51 Top to pressing tablet 54 apply a downward power, then pressing tablet 54 will along guide groove vertical downward movement so that delivery hole 541 with Gap between guide groove is overlapped, and realizes the liquid communication inside fluid chamber 55；When external force disappears, elastic force of the pressing tablet 54 because of spring It acting on and resets, delivery hole 541 is moved to inside upper guide groove 52, so that the gap between guide groove is pressed the blocking of piece 54 completely, it is real Liquid truncation inside existing fluid chamber 55.

In addition, the area of pressing tablet 54 should be equal with the cross-sectional area of fluid chamber 55, and 54 upper guide groove of pressing tablet, 52 He There is good watertightness, to guarantee fluid chamber when (throttling set closure) under the state of bouncing of pressing tablet 54 between lower guide channel 53 55 thorough truncation.

Preferably, retention bead 542 is equipped on the front and back sides of pressing tablet 54, the retention bead 542 is located at drain The lower section in hole 541.When throttling set in the closure state, retention bead 542 is contacted with the bottom end face of upper guide groove 52, at this time Pressing tablet 54, which is located at, rises extreme position；When throttling set is in the open state, the top of retention bead 542 and lower guide channel 53 End face contact, pressing tablet 54 is in falling-threshold position at this time.The setting of retention bead 542 can stroke to pressing tablet 54 into Row limitation prevents 54 excessive descent of pressing tablet or pop-up shell 51.

Preferably, the vertical range of retention bead 542 to delivery hole 541 is equal with the clearance distance between two guide grooves.On Pressing tablet 54 can be guaranteed delivery hole 541 is just with guide groove gap to just when dropping to extreme position by stating setting, and when pressing Delivery hole 541 is blocked by upper guide groove 52 just again after piece 54 rises to extreme position.

As a preferred embodiment of the present embodiment, the center of circle of 6 top end surface of first pipe and the centre of sphere of expansion ball 1 It is overlapped, and the top end surface of first pipe 6 is arcwall face.Attached drawing 4 be main sacculus cutting after enlarged diagram, can conveniently pair The structure of this preferred embodiment is understood.

When cue ball capsule is in fully collapsed condition, the spherical surface of expansion ball 1 is fitted in completely on the side wall of first pipe 6, And the top that can use first pipe 6 during the present apparatus is inserted into uterine neck makes described in the present embodiment as leading end Midwifery sacculus is easier to enter in user's body.In addition, to avoid generating injury, first pipe 6 to user in insertion process End face be set as arcwall face, avoid pipeline scratch uterine neck.

As the another preferred embodiment of the present embodiment, set is equipped with outside the conduit between secondary sacculus and selector 5 Pipe 10.After the present apparatus enters working condition, the conduit between secondary sacculus and selector 5 be it is exposed external in user, because This setting casing 10 can fetter above-mentioned conduit, and it is cleaner and tidier that the present apparatus is located at external part.

Effect explanation is carried out to above scheme below:

A kind of disposable uterus midwifery sacculus is present embodiments provided, wherein the first auxiliary sacculus 2 and the second auxiliary Sacculus 4 can enter at work implements expansion inside uterine neck, expansion effect is promoted under the premise of not increasing physiological saline dosage Fruit；Meanwhile the physiological saline of nominal volume is imported four sacculus and stored by this mounted box so that the volume of any one sacculus compared with Existing sacculus can reduce the foreign body sensation of user in use, avoid the nervous feelings of puerpera compared to more compact Thread；The present apparatus controls the fluid injection of each sacculus by selector 5, without frequently replacement liquid injecting pipeline, reduces medical matters people The work difficulty of member.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (7)

1. a kind of disposable uterus midwifery sacculus, it is characterised in that: including cue ball capsule, secondary sacculus, conduit and selector (5)；The cue ball capsule and secondary sacculus are arranged on conduit, and cue ball capsule is located at the top of conduit, and secondary sacculus is located under cue ball capsule Side, there are the spacing of 3cm between cue ball capsule and secondary sacculus；

The cue ball capsule includes expansion ball (1) and the first auxiliary sacculus (2), and first auxiliary sacculus (2) is located at expansion ball (1) Bottom, wherein expansion ball (1) is spherical shape, first assists sacculus (2) for hemispherical, and the top section of the first auxiliary sacculus (2) It is connected with the bottom spherical surface of expansion ball (1)；

The pair sacculus includes spacing ball (3) and the second auxiliary sacculus (4), and second auxiliary sacculus (4) is located at spacing ball (3) Top, wherein spacing ball (3) is spherical shape, and second assists sacculus (4) for hemispherical, and the bottom section of the second auxiliary sacculus (4) It is connected with the top spherical surface of spacing ball (3)；

The conduit includes merging bundles of first pipe (6), second pipe (7), third pipeline (8) and the 4th pipeline (9), institute State first pipe (6) connection expansion ball (1), the first auxiliary sacculus (2) of second pipe (7) connection, third pipeline (8) connection limit Ball (3), the second auxiliary sacculus (4) of the 4th pipeline (9) connection；

The bottom end of conduit is arranged in the selector (5), for the pipeline in sacculus fluid injection stage selection liquid communication, and is infusing Conduit is implemented to close after liquid, the top of the selector (5) is connected with the bottom end of conduit, the bottom of selector (5) and Perfusion tube (11) is connected.

2. disposable uterus midwifery sacculus according to claim 1, it is characterised in that: the selector (5) includes Shell (51) and throttling set；The shell (51) is internal to be divided into insulating space and feed liquor space (56), institute by filter screen (511) It states input duct to be connected with perfusion tube (11), is divided into four rule by three flow distribution plates (512) inside the insulating space The identical fluid chamber of lattice (55), four fluid chambers (55) respectively with first pipe (6), second pipe (7), third pipeline (8) and 4th pipeline (9) is connected；The throttling set for cutting off or allowing liquid to flow is equipped in each fluid chamber (55), it is described Throttling set includes upper guide groove (52), lower guide channel (53), pressing tablet (54) and spring, and the lower guide channel (53) is vertically set on shell On the bottom surface of body (51), upper guide groove (52) is located at the surface of lower guide channel (53) and is connected with shell (51) top surface, in upper guide groove (52) gap is equipped between lower guide channel (53)；It is internal that the bottom end of the pressing tablet (54) is placed in lower guide channel (53), and passes through bullet Spring is connected with lower guide channel (53) bottom surface, and the top of pressing tablet (54) passes through upper guide groove (52) and stretches out shell (51) top surface, is pressing Delivery hole (541) are additionally provided in tabletting (54).

3. disposable uterus midwifery sacculus according to claim 2, it is characterised in that: the pressing tablet (54) is just It is equipped on reverse side retention bead (542), the retention bead (542) is located at the lower section of delivery hole (541), retention bead (542) movement travel of pressing tablet (54) is limited by the end face of upper guide groove (52) and lower guide channel (53).

4. disposable uterus midwifery sacculus according to claim 3, it is characterised in that: the retention bead (542) Vertical range to delivery hole (541) is equal with the clearance distance between upper guide groove (52) and lower guide channel (53).

5. disposable uterus midwifery sacculus according to claim 1, it is characterised in that: the first auxiliary sacculus (2) and the maximum volume of the second auxiliary sacculus (4) is equal, and expansion ball (1) is equal with the maximum volume of spacing ball (3), and first The maximum volume of auxiliary sacculus (2) is the one third for expanding ball (1) maximum volume.

6. disposable uterus midwifery sacculus according to claim 1, it is characterised in that: first pipe (6) top The center of circle of end surface is overlapped with the centre of sphere of expansion ball (1), and the top end surface of first pipe (6) is arcwall face.

7. disposable uterus midwifery sacculus according to claim 1, it is characterised in that: in the secondary sacculus and selection Casing (10) are equipped with outside conduit between device (5).