CN209679268U - A kind of cervical dilatation balloon-system - Google Patents

Abstract

The utility model relates to a kind of cervical dilatation balloon-systems, at least one through-hole is provided on the tube wall of connecting tube, sacculus is folding plastics sacculus, the both ends of sacculus are sealedly connected on the outer surface of connecting tube and are wrapped in through-hole interior, the distalmost end of the cervical dilatation balloon-system is arranged in seal head for blocking connecting tube and sacculus, the handle that the proximal end of the cervical dilatation balloon-system is arranged in has full mouth, which is connected to the inside of sacculus by connecting tube；Under the expansion state of sacculus, which is 2mm-15mm；Under the folded state of sacculus, which is 0.2mm-3mm.The utility model not only makes sacculus wall itself thin, but also can be folded, so that the cervical dilatation balloon-system is easily accessible in uterine neck and withdraws from uterine neck, reduces the damage to patient tissue, be conducive to expansion palace and go on smoothly by the way that sacculus is selected as plastics sacculus.

Description

A kind of cervical dilatation balloon-system

Technical field

The utility model relates to medical instruments, relate more specifically to a kind of cervical dilatation balloon-system.

Background technique

Currently, doctor needs during treating gynecological disease in order to accurately know patient condition, find out the cause of disease therein Uterine neck to be expanded using cervical dilator, such as hysteroscope operation, Therapeutic Abortion.

A kind of cervical dilator known is one group of rod for expanding cervix from fine to coarse, and material is stainless steel or high molecular material, such as The described devices such as patent application CN01227216.7, CN201520772895.0, CN201621384627.2, these devices exist Following problem: expanding palace process is all that uterine neck is gradually expanded by the rod for expanding cervix of one group of different-diameter, and number of operations is more, when operation Between it is long, be easy to damage tissue, while the pollutant of vagina may be brought into uterine cavity, cause infection in uterine cavity；Rod for expanding cervix diameter one As 3mm or more, size is big, for part because of adhesion or lesion caused by uterine neck change, cervix opening diameter become very little so that expand Palace device enters relatively difficult, cannot be introduced into small size intra-uterine dilator, in the case where expanding palace difficulty situation, uses the expansion palace of high intensity Device be easy to cause uterine neck injury of mouth, and violence operation possibly even leads to the perforation of uterus.

Known another kind cervical dilator is to strut uterine neck, such as patent application as expanding material using water-absorbing resin The described devices such as CN90100372.7, CN90210761.5, CN201520849894.1, CN201621122676.9, this kind of dress It sets expanding material often to take a long time to can be only achieved the diameter of required cervix opening, operating time is long, and patient is easy infection, operation Assembly dia cannot become smaller afterwards, it has not been convenient to removed out of human body, have when after expanding material water swelling from internal remove fracture or The risk that particle falls off.

Utility model content

In order to solve the problems, such as the merging of above-mentioned known cervical dilator of the existing technology and/or remove difficulty, The utility model is intended to provide a kind of cervical dilatation balloon-system.

Cervical dilatation balloon-system described in the utility model, including connecting tube, sacculus, seal head and handle, wherein even At least one through-hole is provided on the tube wall of adapter tube, sacculus is folding plastics sacculus, and the both ends of sacculus are sealedly connected on company In being wrapped on the outer surface of adapter tube and by through-hole, the seal head for blocking connecting tube and sacculus is arranged in the cervical dilatation ball The distalmost end of bag apparatus, the handle that the proximal end of the cervical dilatation balloon-system is arranged in have full mouth, the full mouth and sacculus Inside pass through connecting tube be connected to；Under the expansion state of sacculus, which is 2mm-15mm；Under the folded state of sacculus, which is 0.2mm-3mm.

The cervical dilatation balloon-system further includes the independent support rod being inserted into connecting tube.

Connecting tube is plastic tube, and support rod is stainless steel wire.

Support rod has T-type handle in proximal end.

The wall thickness of sacculus is between 0.01-1mm.

The plastics for forming sacculus select at least one of following material: polyamide, polyethylene, polyvinyl chloride, polyurethane, Polytetrafluoroethylene (PTFE), polypropylene, polymethyl methacrylate, polyethylene terephthalate, polycarbonate.

The material for forming seal head selects at least one of following material: stainless steel, silica gel, polyurethane, polyamide, heat Thermoplastic elastic, polyethylene, polyvinyl chloride, polytetrafluoroethylene (PTFE), polypropylene, polymethyl methacrylate, poly terephthalic acid second Diol ester, polycarbonate, polyvinylpyrrolidone, polyvinyl alcohol, epoxy resin, acrylate.

The distal end of seal head is arc-shaped.

The cervical dilatation balloon-system further includes stress tube, and connecting tube is connect by stress tube with handle.

Connecting tube is made of distal part section and near-end section, and through-hole is located on the tube wall of distal part section, and near-end section closes on distal part section Tube wall on be provided with not by sacculus wrap up scale.

Distal part section and near-end section form the angle of 90 degree -180 degree.

Connecting tube is stainless steel tube, plastic tube or stainless steel pipe coat plastic tube.

Multiple through-holes are uniformly distributed on the tube wall of connecting tube.

Cervical dilatation balloon-system according to the present utility model not only makes ball by the way that sacculus is selected as plastics sacculus Capsule wall itself is thin, and can be folded, and therefore, under the folded state of sacculus, the cervical dilatation balloon-system is in sacculus The diameter at place is only 0.2mm-3mm, is easily accessible in uterine neck, on the other hand, is easy to revert to rugosity after sacculus pressure release, from And make cervical dilatation balloon-system be easier to withdraw from uterine neck using the lesser diameter, the damage to patient tissue is reduced, is had It is gone on smoothly conducive to palace is expanded.In this way, when operation is greatly saved in the use of cervical dilatation balloon-system according to the present utility model Between, reduce patient suffering.In addition, cervical dilatation balloon-system according to the present utility model, this body structure is simple, and forms work Skill and performance are all easily controlled and guarantee.

Detailed description of the invention

Fig. 1 is the overall structure signal of the cervical dilatation balloon-system of a preferred embodiment according to the present utility model Figure；

Fig. 2 is the explosive view of Fig. 1；

Fig. 3 is schematic cross-section of the cervical dilatation balloon-system of Fig. 1 under sacculus folded state；

Fig. 4 is the overall structure signal of the cervical dilatation balloon-system of another preferred embodiment according to the present utility model Figure；

Fig. 5 is the schematic diagram of the support rod of the cervical dilatation balloon-system of Fig. 4.

Specific embodiment

With reference to the accompanying drawing, the preferred embodiment of the utility model is provided, and is described in detail.

As Figure 1-Figure 2, the cervical dilatation balloon-system of a preferred embodiment according to the present utility model includes connecting Adapter tube 1, sacculus 2, seal head 3, stress tube 4 and handle 5, wherein connecting tube 1 is made of distal part section and near-end section, distal part section At least one through-hole 11 is provided on tube wall, sacculus 2 is sealedly connected in connecting tube 1 and through-hole 11 is wrapped in interior, near-end section The tube wall for closing on distal part section on be provided with scale 12, which is not wrapped up by sacculus 2.The setting of seal head 3 is expanded in the uterine neck The distalmost end for opening balloon-system, for blocking connecting tube 1 and sacculus 2.The near-end section of connecting tube 1 is connected by stress tube 4 and handle 5 It connects, which has full mouth 51, can enter sacculus 2 by connecting tube 1 by the gas for filling the introducing of mouth 51 or liquid Inside, to realize to the full of sacculus 2.In the present embodiment, the distal part section of connecting tube 1 and near-end section form about 120 degree Angle, the actually angle can be adjusted as needed between 90 degree -180 degree, in order to which medical staff's use is Preferably.The length of distal part section and near-end section, which also can according to need, to be adjusted.In addition, when connecting tube 1 hardness and handle 5 it is hard Stress tube 4 can not be used when spending close, to save cost.

Connecting tube 1 is stainless steel tube, to provide enough support forces.It should be understood that the connecting tube 1, which is also possible to foot, to be had The plastic tube of sufficient intensity；It is also possible to stainless steel pipe coat plastic tube, stainless steel tube therein provides support force, and plastic tube is just It is connect in sacculus 2；It may be part stainless steel pipe coat plastic tube, stainless steel tube therein provides support force, plastic tube Convenient for connecting with sacculus 2, while plastics length of tube is reduced, saves cost.

Sacculus 2 is medical plastic, is formed by blow molding mode.The medical plastic includes but is not limited to polyamide, gathers Ethylene, polyvinyl chloride, polyurethane, polytetrafluoroethylene (PTFE), polypropylene, polymethyl methacrylate, polyethylene terephthalate, Polycarbonate etc..Specific moulding process includes: thermoplastic material tubing to be placed in mold, and mold is placed in the heat heated In transmitting medium, tubing, and then the proximal end pipeline section of inflation molding sacculus set gradually, proximal end are stretched while inflation tubing Tapering, in the middle part of sacculus, distal end tapering and distal end pipeline section, proximal end pipeline section and distal end pipeline section therein are by the modes such as bonding or welding It is connected in connecting tube 1.Sacculus in the prior art usually selects silica gel material, is not merely limited to silica gel material moulding process And there is thicker wall thickness, and since elasticity is good cannot keep collapsed shape and can not be folded for silica gel material.It is corresponding The sacculus 2 on ground, the utility model is formed by medical plastic, can be by the wall of sacculus 2 by adjusting the parameter of blow moulding process Thickness is set as relatively thin, and can keep folded state after folding by means of the hardness of plastics.The wall thickness of sacculus 2 is usually less than 1mm, minimum can reach the thickness of 0.01mm.

Seal head 3 be medical material, including but not limited to stainless steel, silica gel, polyurethane, polyamide, thermoplastic elastomer (TPE), Polyethylene, polyvinyl chloride, polytetrafluoroethylene (PTFE), polypropylene, polymethyl methacrylate, polyethylene terephthalate, poly- carbon Acid esters, polyvinylpyrrolidone, polyvinyl alcohol, epoxy resin, acrylate, acrylate derivative etc..Obviously, smooth matter is soft Medical material can reduce merging human body when resistance and caused by human body may damage.The distal end of the seal head 3 is in circle Arc, it is rounder and more smooth, further increase safety.Further, seal head 3 is hemispherical, diameter and connecting tube 1 and sacculus 2 Pipeline section diameter it is close so that smooth transition when seal head 3 and connecting tube 1 and sacculus 2 carry out blocking connection, will not cause patient It is uncomfortable.

In the specific use process, the sacculus 2 of rugosity is slowly filled in cervix opening by hand-held handle 5 by medical staff, The position of sacculus 2 is judged according to the scale 12 in connecting tube 1, to reach suitable position, then uses syringe or sacculus Full device is inflated or is injected to full mouth 51 liquid, gas or liquid and is injected into sacculus 2 along the through-hole 11 of connecting tube 1, The diameter of sacculus 2 slowly increases, to realize the slow expansion to uterine neck.According to syringe or sacculus fill in device gas or The pressure or volume of liquid, the diameter according to sacculus 2 judge whether the diameter of sacculus 2 reaches and want with pressure or volume change table It asks, after the completion of to be expanded, gas or liquid in device pumpback sacculus 2 is filled by syringe or sacculus, so that sacculus 2 restores To rugosity, withdrawn from from cervix opening.Particularly, when with multiple through-holes 11, which is set as being uniformly distributed, really It protects the gas entered by the through-hole 11 or the uniform expansion to sacculus 2 may be implemented in liquid.In addition, the filling liquid of sacculus 2 or filling Gas diameter can accurately be controlled by balloon diameter with pressure or volume change table, and balloon diameter therein is with pressure or body Product variation table is determined according to clinical investigations demand, it is clear that diameter cannot be too fast with pressure or volume change, otherwise can be because of size Increase causes patient pain fastly, and too slow operating time is long, while will appear and to fill very big pressure and can be only achieved the diameter of requirement, presses Power is too big to make sacculus rupture.In general, diameter of the cervical dilatation balloon-system at the sacculus 2 of expansion is from 2mm to 15mm It differs, the amplitude that balloon diameter increases with pressurising pressure or filling liquid volume can be accurately controlled, accurately control different pressures Or balloon diameter under volume；Cervical dilatation balloon-system has lesser diameter, such as 0.2-3mm at the sacculus 2 of folding, more It is easily accessible in uterine neck, while sacculus 2 is easy to revert to rugosity after pressure release that (i.e. cervical dilatation balloon-system is at sacculus 2 Diameter be restored to 0.2mm-3mm), so that cervical dilatation balloon-system is easy to withdraw from uterine neck.Fig. 3 is cervical dilatation ball after folding The schematic cross-section of bag apparatus, sacculus 2 form fin, crispatura together, be attached to the outer surface of connecting tube 1.The utility model Cervical dilatation balloon-system due to after sacculus folds have lesser diameter, it is easy to enter uterine neck, reduce due to uterine neck It is adhered the probability for leading to expand palace failure.

Fig. 4-Fig. 5 gives the cervical dilatation balloon-system of another preferred embodiment according to the present utility model, with The difference of the embodiment of Fig. 1-Fig. 3 is to increase support rod 6.In the present embodiment, connecting tube 1 ' is plastic tube, support rod 6 For stainless steel wire, it is inserted in connecting tube 1 ' and forms independent supporting element.In the specific use process, when such as performing the operation, branch Strut 6 is penetrated in cervical dilatation balloon-system by full mouth, and sacculus is sent to patient by means of the support performance of support rod 6 In vivo, after cervical dilatation balloon-system reaches correct position, which can be extracted out, then be filled using cervical dilatation sacculus It sets and is inflated by full mouth or filling liquid.T-type handle is designed in the proximal end of support rod 6, does not contact in the distal end for guaranteeing support rod 6 While damaging seal head, it can also facilitate medical staff's to penetrate or withdraw from operation.

Above-described, the only preferred embodiment of the utility model is not intended to limit the scope of the utility model, this Above-described embodiment of utility model can also make a variety of changes.I.e. all claims according to the present utility model application and Simple, equivalent changes and modifications, fall within the claims of the utility model patent made by description.This The not detailed description of utility model is routine techniques content.

Claims (8)

1. a kind of cervical dilatation balloon-system, which is characterized in that the cervical dilatation balloon-system includes connecting tube (1,1 '), sacculus (2), seal head (3) and handle (5), wherein at least one through-hole (11), sacculus are provided on the tube wall of connecting tube (1,1 ') It (2) is folding plastics sacculus, the both ends of sacculus (2) are sealedly connected on the outer surface of connecting tube (1,1 ') and by through-hole (11) in being wrapped in, the seal head (3) for blocking connecting tube (1,1 ') and sacculus (2) is arranged in the cervical dilatation balloon-system Distalmost end, the handle (5) that the proximal end of the cervical dilatation balloon-system is arranged in has full mouth (51), full mouth (51) with The inside of sacculus (2) is connected to by connecting tube (1,1 ')；Under the expansion state of sacculus (2), which exists Diameter at sacculus (2) is 2mm-15mm；Under the folded state of sacculus (2), the cervical dilatation balloon-system is at sacculus (2) Diameter be 0.2mm-3mm.

2. cervical dilatation balloon-system according to claim 1, which is characterized in that the cervical dilatation balloon-system further includes The independent support rod (6) being inserted into connecting tube (1 ').

3. cervical dilatation balloon-system according to claim 2, which is characterized in that connecting tube (1 ') is plastic tube, support Bar (6) is stainless steel wire.

4. cervical dilatation balloon-system according to claim 2, which is characterized in that support rod (6) has T-type handle in proximal end Hand.

5. cervical dilatation balloon-system according to claim 1, which is characterized in that the wall thickness of sacculus (2) is in 0.01-1mm Between.

6. cervical dilatation balloon-system according to claim 1, which is characterized in that the distal end of seal head (3) is arc-shaped.

7. cervical dilatation balloon-system according to claim 1, which is characterized in that the cervical dilatation balloon-system further includes Stress tube (4), connecting tube (1,1 ') are connect by stress tube (4) with handle (5).

8. cervical dilatation balloon-system according to claim 1, which is characterized in that connecting tube (1,1 ') is by distal part section and closely Section composition, through-hole (11) are located on the tube wall of distal part section, are provided with not on the tube wall for closing on distal part section of near-end section by sacculus (2) scale (12) wrapped up.