CN209392065U - Disposable cervical dilatation sacculus pipe - Google Patents
Disposable cervical dilatation sacculus pipe Download PDFInfo
- Publication number
- CN209392065U CN209392065U CN201821905346.6U CN201821905346U CN209392065U CN 209392065 U CN209392065 U CN 209392065U CN 201821905346 U CN201821905346 U CN 201821905346U CN 209392065 U CN209392065 U CN 209392065U
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- Prior art keywords
- conduit
- silicone tube
- tube
- connecting rod
- inner cavity
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- 229920001296 polysiloxane Polymers 0.000 claims abstract description 77
- 210000003679 cervix uteri Anatomy 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000000741 silica gel Substances 0.000 claims description 22
- 229910002027 silica gel Inorganic materials 0.000 claims description 22
- 230000000916 dilatatory effect Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 210000004877 mucosa Anatomy 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 235000005121 Sorbus torminalis Nutrition 0.000 description 3
- 244000152100 Sorbus torminalis Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 210000003756 cervix mucus Anatomy 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000003248 secreting effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A disposable cervical dilatation balloon catheter comprises a pressurizing assembly and an dilatation balloon, wherein the dilatation balloon comprises a catheter connected with the pressurizing assembly, an expansion assembly clamped with the catheter and a filling head, wherein a medium filling channel is arranged at one end of the filling head facing the catheter, and a clamping groove is arranged on the inner wall of the connecting end of the catheter facing the expansion assembly; the expansion assembly comprises a buckle, a silicone tube and a connecting rod, the silicone tube is sleeved on the buckle, the connecting rod is sleeved on the silicone tube, a snap ring is arranged on the outer wall of the connecting rod and clamped with a clamping groove, the filling head penetrates through the buckle towards one end of the expansion assembly to extend the tail end of the silicone tube, and the inner cavity of the silicone tube is communicated with the filling medium channel. The utility model is connected more conveniently between the conduit and the connecting rod by the clamping of the clamping groove and the clamping ring; the air or liquid sequentially passes through the catheter and the medium filling channel to enter the inner cavity of the silicone tube, and the silicone tube expands outwards to realize the expansion of the cervix, so that the cervix is slowly expanded to the size which ensures the smooth operation.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of one-off cervix expansion of balloon catheter.
Background technique
When making the plan fertility operation, gynecologial examination or the operation of female uterus and attachment, in order to better adapt to
The needs of operation, it is necessary to cervix dilating pipe.Currently, the method for cervix dilating pipe in the prior art are as follows: different using diameter
Metal or plastics rod for expanding cervix, it is ascending to be sequentially inserted into uterine neck, extract, uterine neck is expanded firmly, reaches the palace that operation carries out
Neck mouth size, doctor's operation is very cumbersome, and may cause the damage of cervical mucosa；Or the intra-uterine dilator tool using certain materials,
By the wet expansion of cervical mucus, achieve the purpose that cervix dilating pipe, the method is related with the secretory volume of uterine neck, expansion effect
Fruit is often bad, is unfavorable for the safe and smooth progress of surgical procedure.
Utility model content
It is easy to operate the purpose of the utility model is to provide a kind of one-off cervix expansion of balloon catheter based on this, it can
Uterine neck, which is disposably slowly extended to, ensures the size gone on smoothly of performing the operation, and mitigates the pain of patient, reduces to cervical mucosa
Damage, to ensure to expand the safe and smooth progress of palace process.
A kind of one-off cervix expansion of balloon catheter, including the pressure-applying unit and dilating sacculus being connected, the expansion ball
Capsule includes the conduit connecting with the pressure-applying unit, is set to the conduit with the Stent assembly of conduit clamping and one end
In, the other end pass through the Stent assembly and extend the full head of the length of the Stent assembly, the full head is described in
One end of conduit is equipped with filling medium channel, and the inner wall of the conduit towards the connecting pin of the Stent assembly is equipped with card slot；
The Stent assembly includes buckle, is set on the buckle and the silicone tube of endcapped, and is set in institute
The connecting rod on silicone tube and with conduit clamping is stated, one end of the silicone tube is fixed on the buckle by the connecting rod
On, the outer wall of the connecting rod is equipped with snap ring, and the snap ring and card slot are clamped, and the full head is towards the Stent assembly
One end passes through the buckle and extends the end of the silicone tube, the inner cavity of the silicone tube and filling medium channel connection,
When carrying out cervical dilatation, the pressure-applying unit is filled with gas or liquid into the dilating sacculus, and gas or liquid successively lead to
It crosses conduit and filling medium channel enters in the inner cavity of the silicone tube, the silicone tube is externally expanded to realize the expansion to uterine neck
?.
Compared with the prior art, in one-off cervix expansion of balloon catheter described in the utility model, pass through card slot and snap ring
Clamping, so that the connection between conduit and connecting rod is more convenient；The extension for realizing the length of silicone tube by filling head, on the one hand
It can reduce the outer diameter of silicone tube, i.e., reduce for the first time into the size of uterine neck, on the other hand can reduce silicone tube uses material
Material；Pass sequentially through conduit by gas or liquid and filling medium channel enter in the inner cavity of silicone tube, silicone tube externally expand with
It realizes the expansion to uterine neck, so that uterine neck, which is disposably slowly extended to, ensures the size gone on smoothly of performing the operation, mitigates patient's
Pain reduces the damage to cervical mucosa, to ensure to expand the safe and smooth progress of palace process.
Further, the end of the one end of the full head towards the conduit is equipped with butting section, the end of the butting section
Face is equipped with the axial hole extended to the full head other end, and the outer wall of the full head is equipped at least one radial hole,
The radial hole and the axial hole connection form the filling medium channel.
Further, the length range of the full head is 20mm~80mm, and the length of the axial hole is less than described
The 1/4 of the length of full head.
Further, the buckle is made of handware or plastic injection piece, described to buckle towards the one of the conduit
End forms connection sticking part, and the silicone tube forms silica gel sticking part, the inner cavity of the silicone tube towards one end of the conduit
Bottom be equipped with positioning region, the connecting rod is towards one end of the conduit and the connection sticking part by the silica gel sticking part
It blocks, the buckle is passed through described in the end of the full head and is connect with the positioning region, and the end of the silicone tube is prolonged
It stretches.
Further, the outer diameter of the silica gel sticking part is not less than the outer diameter for connecting sticking part and the company respectively
Extension bar towards one end of the conduit outer diameter, less than the internal diameter of the conduit and the connecting pin of the Stent assembly, and described
The end of silicone tube is arc-shaped and outer diameter is gradually reduced.
Further, the length of the silicone tube is longer than the length of the buckle and the connecting rod respectively, and is less than institute
The length of full head is stated, the length range of the silicone tube is 20mm~70mm.
Further, the positioning region is the positioning groove of an indent, at this point, the company of the full head and the positioning region
It connects evagination on the end face at end and forms full column, the full column is connect with the positioning groove.
Further, the positioning region is the positioning column of an evagination, at this point, the connection of the full head and the positioning region
Full slot is recessed on the end face at end, the full slot is connect with the positioning column.
Further, the connecting rod is made of handware or plastic injection piece, and the connecting rod is backwards to the conduit
The end of one end form buckling parts, the outer diameter of the buckling parts is greater than the interior of the conduit and the connecting pin of the Stent assembly
Diameter.
Further, the conduit includes the first connecting tube connecting with the pressure-applying unit, and is connected with described first
The second connecting tube of connection is taken over, the butting section is located at the bottom of the inner cavity of second connecting tube, first connecting tube
It is greater than the outer diameter of the butting section, less than second connecting tube with the diameter of the inner cavity of the junction of second connecting tube
The diameter of inner cavity, the diameter of the inner cavity of first connecting tube gradually subtract from the pressure-applying unit to the direction of the dilating sacculus
It is small, until equal with the outer diameter of second connecting tube.
Further, the bottom of the inner cavity of second connecting tube is equipped with silica gel sealing pad, and the butting section is against described
On silica gel sealing pad.
Further, the inner wall of the inner cavity of second connecting tube is equipped at least one the first anti-rotation lines, and described first
Anti-rotation line is along axial one end being arranged and be located at the close Stent assembly of second connecting tube, the outer wall of the connecting rod
It is equipped with the first cooperation line being cooperatively connected with the first anti-rotation line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one-off cervix expansion of balloon catheter in the utility model first embodiment；
Fig. 2 is the structural exploded view of one-off cervix expansion of balloon catheter in Fig. 1；
Fig. 3 is the cross-sectional view of one-off cervix expansion of balloon catheter in Fig. 1；
Fig. 4 is the cross-sectional view of conduit in Fig. 1；
Fig. 5 is the cross-sectional view that head is filled in Fig. 1；
Fig. 6 is the cross-sectional view of silicone tube in Fig. 1；
Fig. 7 is the cross-sectional view of silicone tube in the utility model second embodiment；
Fig. 8 is the cross-sectional view that head is filled in the utility model second embodiment；
Fig. 9 is the cross-sectional view of conduit in the utility model 3rd embodiment；
Figure 10 is the structural schematic diagram of connecting rod in the utility model 3rd embodiment；
Figure 11 is the cross-sectional view of conduit in the utility model fourth embodiment；
Figure 12 is the structural schematic diagram of connecting rod in the utility model fourth embodiment.
Main element symbol description:
| Dilating sacculus | 100 | Conduit | 10,10b,10c |
| Card slot | 101 | First connecting tube | 102 |
| Anti-skid chequer | 1021 | Second connecting tube | 103,103b,103c |
| First anti-rotation line | 1031 | Groove | 1032 |
| Second anti-rotation line | 1033 | Stent assembly | 11 |
| Buckle | 111 | Connect sticking part | 1111 |
| Silicone tube | 112,112a | Silica gel sticking part | 1121 |
| Positioning region | 1122,1122a | Connecting rod | 113,113b,113c |
| Snap ring | 1131 | Buckling parts | 1132 |
| First cooperation line | 1133 | Second cooperation line | 1134 |
| Full head | 12,12a | Filling medium channel | 121 |
| Butting section | 122 | Axial hole | 123 |
| Radial hole | 124 | Full slot | 125 |
| Full column | 125a | Silica gel sealing pad | 13 |
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.Several embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Fig. 1 to Fig. 6 is please referred to, a kind of one-off cervix dilating sacculus provided in the utility model first embodiment is led
Pipe, including the pressure-applying unit and dilating sacculus 100 being connected, the dilating sacculus 100 includes connecting with the pressure-applying unit
Conduit 10 is set in the conduit 10 with the Stent assembly 11 of the conduit 10 clamping and one end, the other end passes through the expansion
It opens component 11 and extends the full head 12 of the length of the Stent assembly 11.
Fig. 3 and Fig. 5 are please referred to, the full head 12 is equipped with filling medium channel 121 towards one end of the conduit 10, described
The effect in filling medium channel 121 is easy for liquid or gas and is entered in the Stent assembly 11 by the full head 12.When into
When row cervical dilatation, the pressure-applying unit is filled with gas or liquid into the dilating sacculus 100, and gas or liquid pass sequentially through
Conduit 10 and filling medium channel 121 enter in the Stent assembly 11, and the Stent assembly 11 is externally expanded to realize to uterine neck
Expansion.
It should be noted that the end of the one end of the full head 12 towards the conduit 10, which is equipped with, to be supported in the present embodiment
Relying part 122, the end face of the butting section 122 is equipped with the axial hole 123 extended to full 12 other end of head, described full
First 12 outer wall is equipped with a radial hole 124, and the radial hole 124 forms the filling medium with 123 connection of axial hole
Channel 121.It should be understood that in other embodiments, the number of the radial hole 124 includes at least one, but does not limit to
In this, can be configured according to actual needs.
Further, the length range of the full head 12 is 20mm~80mm, in order to realize to the Stent assembly 11
Extension, the length of the full head 12 is greater than the length of the Stent assembly 11.The length of the axial hole 123 is less than described
The 1/4 of the length of full head 12, can not only realize the formation in the filling medium channel 121 in this way, but also be not required to allow the axial hole 123
Through the entire full head 12, convenient for guaranteeing the concentricity and processing of the axial hole 123.
Preferably, the position of the butting section 122 is deviateed in the position of the radial hole 124, in order to ensure it is described against
Bonding strength between portion 122 and the full head 12.
Preferably, rotation of the full head 12 in the conduit 10 in order to prevent, in the outer rim of the butting section 122
Equipped with raised or sunken, recess or protrusion with raised or sunken cooperation are correspondingly arranged in the conduit 10.
Fig. 3 and Fig. 4 are please referred to, the inner wall of the conduit 10 towards the connecting pin of the Stent assembly 11 is equipped with card slot
101, the effect of the card slot 101 is to be clamped the conduit 10 and the Stent assembly 11, while to the Stent assembly 11
Carry out axially position.
It should be noted that the conduit 10 includes the first connecting tube connecting with the pressure-applying unit in the present embodiment
102, and the second connecting tube 103 being connect with first connecting tube 102, the butting section 122 is positioned at second connection
The bottom of the inner cavity of pipe 103, the card slot 101 are located in the inner cavity of second connecting tube 103.
Specifically, in the present embodiment, the inner cavity of first connecting tube 102 and the junction of second connecting tube 103
Diameter be greater than the butting section 122 outer diameter, less than second connecting tube 103 inner cavity diameter, convenient for it is described against
Portion 122 is assemblied in the bottom of the inner cavity of second connecting tube 103, in case first connecting tube is protruded into the butting section 122
In 102.The diameter of the inner cavity of first connecting tube 102 from the pressure-applying unit to the direction of the dilating sacculus 100 gradually
Reduce, until equal with the outer diameter of second connecting tube 103, the purpose being arranged in this way is for the ease of connecting with described second
The connection of pipe 103.
Further, the angle between the axis of first connecting tube 102 and the axis of second connecting tube 103 is
220 °, the purpose being arranged in this way is certain in order to guarantee to have between first connecting tube 102 and second connecting tube 103
Crooked radian, convenient for the progress of operation.
Referring again to Fig. 3, the bottom of the inner cavity of second connecting tube 103 is equipped with silica gel sealing pad 13, the butting section
122 are against on the silica gel sealing pad 13, the effect of the silica gel sealing pad 13 be in order to ensure the butting section 122 with it is described
Leakproofness between second connecting tube 103.
Further, the outer wall of first connecting tube 102 is equipped with several indents or anti-skid chequer outstanding 1021, described
Anti-skid chequer 1021 is described anti-skidding along axial one end being arranged and be located at the close pressure-applying unit of first connecting tube 102
The effect of line 1021, which is easy for medical staff, holds first connecting tube 102 and performs the operation.
Fig. 2, Fig. 3 and Fig. 6 are please referred to, the Stent assembly 11 includes buckle 111, is set on the buckle 111 and last
Closed silicone tube 112 is held, and is set in the connecting rod 113 on the silicone tube 112 and with the conduit 10 clamping.
It should be noted that the buckle 111 is made of handware or plastic injection piece, the card in the present embodiment
Button 111 forms connection sticking part 1111 towards one end of the conduit 10, and the silicone tube 112 is towards one end of the conduit 10
Silica gel sticking part 1121 is formed, the bottom of the inner cavity of the silicone tube 112 is equipped with positioning region 1122,113 direction of connecting rod
The silica gel sticking part 1121 is blocked into (the i.e. described connecting rod 113 with the connection sticking part 1111 in one end of the conduit 10
One end of the silicone tube 112 is fixed on the buckle 111), the buckle is passed through described in the end of the full head 12
111 connect with the positioning region 1122, and by the end of the silicone tube 112 extend, the inner cavity of the silicone tube 112 with it is described
121 connection of filling medium channel.When carrying out cervical dilatation, the pressure-applying unit be filled with into the dilating sacculus 100 gas or
Liquid, gas or liquid pass sequentially through conduit 10 and filling medium channel 121 enters in the inner cavity of the silicone tube 112, the silicon
Sebific duct 112 is externally expanded to realize the expansion to uterine neck.
Specifically, in the present embodiment, cooperation between the outer wall of the silicone tube 112 and the inner wall of the connecting rod 113,
Cooperation between inner cavity and the outer wall of the buckle 111 is respectively to be interference fitted, and the purpose being arranged in this way is for the ease of described
Connecting rod 113, the buckle 111 block the silica gel sticking part 1121.
Preferably, in the present embodiment, the outer diameter of the silica gel sticking part 1121 is not less than the connection sticking part respectively
Towards the outer diameter of one end of the conduit 10, the purpose being arranged in this way is to increase for 1111 outer diameter and the connecting rod 112
Fitting area between the silica gel sticking part 1121 and the connection sticking part 1111 and the connecting rod 113, to enhance
Bonding strength.The outer diameter of the silica gel sticking part 1121 is less than the interior of the conduit 10 and the connecting pin of the Stent assembly 11
Diameter, the purpose being arranged in this way are fitted into the inner cavity of second connecting tube 103 for the ease of the Stent assembly 11.
Further, in this embodiment the length of the silicone tube 112 is longer than the buckle 111 and the connection respectively
The length of bar 113, the purpose being arranged in this way are for the ease of the silica gel is bonded by the buckle 111 and the connecting rod 113
Portion 1121 is fixed.Specifically, the length range of the silicone tube 112 is 20mm~70mm in the present embodiment, on the one hand exist
In assembling process, the extension for realizing the length of silicone tube 112 by filling head 12 stretches the length of the silicone tube 112, from
And can reduce the outer diameter of silicone tube 112, i.e., so that reducing for the first time into the size of uterine neck, silicone tube on the other hand can be reduced
112 use material.
Preferably, in the present embodiment, the length of the silicone tube 112 is less than the length of the full head 12, the purpose is to
In order to realize the extension to the length of the silicone tube 112 by the full head 12.When the length of the silicone tube 112 is less than
When 20mm, after being stretched by the full head 12, intensity increases and requirement is not achieved the silicone tube 112；When the silicon
When the length of sebific duct 112 is greater than 70mm, the length of the length of the silicone tube 112 and the full head 12 is close, and drawing is not achieved
The outer diameter of the effect stretched, i.e., the described silicone tube 112 will not change substantially, in addition, the silicone tube 112 is increased using material
Add, increases cost.
Referring again to Fig. 6, the end of the silicone tube 112 is arc-shaped and outer diameter is gradually reduced, and arc-shaped can be in hand
Reduce the damage to uterine neck when art, outer diameter is gradually reduced so that the size that the silicone tube 112 enters in uterine neck incrementally increases, just
Protruding into for the silicone tube is adapted in uterine neck.
It should be noted that the positioning region 1122 is the positioning column of an evagination in the present embodiment, at this point, described full
First 12 with full slot 125, the full slot 125 and the positioning are recessed on the end face of 1122 connecting pins of the positioning region
Column connection.
Specifically, the cross sectional shape of the positioning column is circle in the present embodiment.Preferably, in other embodiments, institute
The cross sectional shape of positioning column is stated other than it can be circle, can also be triangle or rectangular, at this point, one side of the positioning column
Face can carry out axially position, on the other hand can also be positioned, be prevented between the silicone tube 112 and the full head 12
Axial-rotation and displacement slip.
Fig. 2 and Fig. 3 are please referred to, the connecting rod 113 is made of handware or plastic injection piece, it is preferable that this implementation
In example, the connecting rod 113 is made of stainless steel.The outer wall of the connecting rod 113 is equipped with and is clamped with the conduit 10
Snap ring 1131, i.e., the described snap ring 1131 are clamped with card slot 101, the end of the one end of the connecting rod 1131 backwards to the conduit 10
Form buckling parts 1132, the outer diameter of the buckling parts 1132 is greater than the interior of the conduit 10 and the connecting pin of the Stent assembly 11
Diameter.
Further, the cross sectional shape of the snap ring 1131 is arc-shaped, and the purpose being arranged in this way is for the ease of described
Connecting rod fits into the inner cavity of second connecting tube 103.
It should be noted that in the present embodiment, the pressure-applying unit include with the sequentially connected hose of the conduit 10, connect
Head and full device, the inside of the connector are equipped with check valve, are connected with pressure gauge on outer wall.By the full device to the expansion
It opens in component and is filled with gas or liquid, gas or liquid charge are monitored by the pressure gauge.
Specifically, in the present embodiment, the full device is syringe, and the gas is air, the liquid be distilled water,
Purified water or physiological saline.
The utility model in use, will first suck gas or liquid in the full device, then with the connector
Gas or liquid are passed sequentially through the filling medium channel 121 of connector, hose and full head 12 by connection, the full device, are slowly infused
Enter in the silicone tube 112, externally expansion is to realize the expansion to uterine neck for the silicone tube 112, so that uterine neck is disposably slow
Slowly being extended to ensures the size gone on smoothly of performing the operation, while passing through the pressure of gas or liquid inside the pressure gauge real-time monitoring
Power situation, when avoiding pressure too small, cervical dilatation is not in place, or avoids pressure change excessive, so that the silicone tube 112 is outer
Diameter variation is excessive, leads to the damage to cervical mucosa.
To sum up, in one-off cervix expansion of balloon catheter described in the utility model, pass through the card of card slot 101 and snap ring 1131
It connects, so that the connection between conduit 10 and connecting rod 113 is more convenient；Prolonging for the length of silicone tube 112 is realized by full head 12
It stretches, on the one hand can reduce the outer diameter of silicone tube 112, i.e., reduce for the first time into the size of uterine neck, on the other hand can reduce silicon
Sebific duct 112 uses material；Conduit 10 is passed sequentially through by gas or liquid and filling medium channel 121 enters silicone tube 112
In inner cavity, externally expansion is to realize the expansion to uterine neck for silicone tube 112, so that uterine neck, which is disposably slowly extended to, to be ensured to perform the operation
The size gone on smoothly mitigates the pain sense of discomfort of patient, reduces the damage to cervical mucosa, to ensure to expand the safety of palace process
It goes on smoothly.
Fig. 7 and Fig. 8 are please referred to, a kind of silicone tube 112a provided for the utility model second embodiment, in the present embodiment
The silicone tube 112a and silicone tube 112 described in first embodiment are more or less the same, the difference is that silicon described in the present embodiment
In sebific duct 112a, the positioning region 1122a is the positioning groove of an indent, at this point, the full head 12a and the positioning region
Evagination forms full column 125a on the end face of the connecting pin of 1122a, and the full column 125a is connect with the positioning groove.
Specifically, the cross sectional shape of the positioning groove is circle in the present embodiment.Preferably, in other embodiments,
The cross sectional shape of the positioning groove can also be triangle or rectangular other than it can be circle, at this point, the positioning is recessed
On the one hand slot can carry out axially position, on the other hand can also be positioned, and the silicone tube 112a and described full is prevented
The axial-rotation of head 12a.
Fig. 9 and Figure 10 are please referred to, is a kind of conduit 10b that the utility model 3rd embodiment provides, institute in the present embodiment
It states conduit 10b and conduit 10 described in first embodiment is more or less the same, the difference is that in the present embodiment, second connection
The inner wall of the inner cavity of pipe 103b is equipped at least one the first anti-rotation lines 1031, and the first anti-rotation line 1031 connects along described second
The axial setting of adapter tube 103b and be located at close to one end of the Stent assembly 11, the outer wall of the connecting rod 113b be equipped with
The first cooperation line 1133 that the first anti-rotation line 1031 is cooperatively connected, the first anti-rotation line 1031 and the first cooperation line
1133 mating reaction is the axial-rotation between the conduit 10b and the connecting rod 113b in order to prevent.
Figure 11 and Figure 12 are please referred to, is a kind of conduit 10c that the utility model fourth embodiment provides, institute in the present embodiment
It states conduit 10c and conduit 10 described in first embodiment is more or less the same, the difference is that in the present embodiment, second connection
A groove 1032 is recessed on the end face of pipe 103c, the connecting rod 113c is located at described backwards to one end of the conduit 10c
In groove 1032.
Further, the inner wall of the groove 1032 is equipped at least one the second anti-rotation lines 1033, second anti-rotation
Line 1033 is along axial one end being arranged and be located at the close Stent assembly 11 of the second connecting tube 103c, the connecting rod
The outer wall of 113c is equipped with the second cooperation line 1134 being cooperatively connected with the second anti-rotation line 1033, the second anti-rotation line
1033 and described second cooperate the mating reaction of line 1134 to be in order to prevent between the conduit 10c and the connecting rod 113c
Axial-rotation and displacement slip.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model, and each embodiment for being proposed of the application it
Between can combine mutually.It should be pointed out that for those of ordinary skill in the art, not departing from this
Under the premise of utility model is conceived, various modifications and improvements can be made, and these are all within the protection scope of the present invention.
Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (12)
1. a kind of one-off cervix expansion of balloon catheter, including the pressure-applying unit and dilating sacculus being connected, it is characterised in that: institute
Stating dilating sacculus includes the conduit connecting with the pressure-applying unit, is set to the Stent assembly of conduit clamping and one end
In the conduit, the other end pass through the Stent assembly and extend the Stent assembly length full head, the full head
It is equipped with filling medium channel towards one end of the conduit, the inner wall of the conduit towards the connecting pin of the Stent assembly is equipped with
Card slot；
The Stent assembly includes buckle, is set on the buckle and the silicone tube of endcapped, and is set in the silicon
One end of the silicone tube is fixed on the buckle by the connecting rod on sebific duct and with conduit clamping, the connecting rod,
The outer wall of the connecting rod is equipped with snap ring, and the snap ring and card slot are clamped, and the full head is towards the one of the Stent assembly
It holds and extends the end of the silicone tube across the buckle, the inner cavity of the silicone tube and filling medium channel connection, when
When carrying out cervical dilatation, the pressure-applying unit is filled with gas or liquid into the dilating sacculus, and gas or liquid pass sequentially through
Conduit and filling medium channel enter in the inner cavity of the silicone tube, and the silicone tube is externally expanded to realize the expansion to uterine neck.
2. one-off cervix expansion of balloon catheter according to claim 1, which is characterized in that the full head is described in
The end of one end of conduit is equipped with butting section, and the end face of the butting section is equipped with the axial direction extended to the full head other end
Hole, the outer wall of the full head are equipped at least one radial hole, and the radial hole forms described fill with the axial hole connection
Medium channel.
3. one-off cervix expansion of balloon catheter according to claim 2, which is characterized in that the length model of the full head
It encloses for 20mm~80mm, and the length of the axial hole is less than the 1/4 of the length of the full head.
4. one-off cervix expansion of balloon catheter according to claim 1, which is characterized in that the buckle uses handware
Or plastic injection piece is made, the buckle forms connection sticking part towards one end of the conduit, and the silicone tube is described in
One end of conduit forms silica gel sticking part, and the bottom of the inner cavity of the silicone tube is equipped with positioning region, and the connecting rod is described in
The silica gel sticking part is blocked with the connection sticking part in one end of conduit, and the card is passed through described in the end of the full head
Button is connect with the positioning region, and the end of the silicone tube is extended.
5. one-off cervix expansion of balloon catheter according to claim 4, which is characterized in that outside the silica gel sticking part
Diameter is not less than the outer diameter of the one end of the outer diameter and the connecting rod of the connection sticking part towards the conduit respectively, is less than institute
The internal diameter of the connecting pin of conduit and the Stent assembly is stated, and the end of the silicone tube is arc-shaped and outer diameter is gradually reduced.
6. one-off cervix expansion of balloon catheter according to claim 1, which is characterized in that the length of the silicone tube point
It is not longer than the length of the buckle and the connecting rod, and is less than the length of the full head, the length range of the silicone tube
For 20mm~70mm.
7. one-off cervix expansion of balloon catheter according to claim 4, which is characterized in that the positioning region is an indent
Positioning groove, it is described full at this point, evagination forms full column on the end face of the connecting pin of the full head and the positioning region
Column is connect with the positioning groove.
8. one-off cervix expansion of balloon catheter according to claim 4, which is characterized in that the positioning region is an evagination
Positioning column, at this point, being recessed full slot, the full slot on the end face of the connecting pin of the full head and the positioning region
It is connect with the positioning column.
9. according to claim 1 to one-off cervix expansion of balloon catheter described in 8 any one, which is characterized in that the company
Extension bar is made of handware or plastic injection piece, and the connecting rod forms buckling parts backwards to the end of one end of the conduit,
The outer diameter of the buckling parts is greater than the internal diameter of the connecting pin of the conduit and the Stent assembly.
10. one-off cervix expansion of balloon catheter according to claim 2, which is characterized in that the conduit includes and institute
The first connecting tube of pressure-applying unit connection, and the second connecting tube connecting with first connecting tube are stated, it is described against position
In the bottom of the inner cavity of second connecting tube, first connecting tube is straight with the inner cavity of the junction of second connecting tube
Diameter be greater than the butting section outer diameter, less than second connecting tube inner cavity diameter, the inner cavity of first connecting tube
Diameter is gradually reduced, up to the outer diameter phase with second connecting tube from the pressure-applying unit to the direction of the dilating sacculus
Deng.
11. one-off cervix expansion of balloon catheter according to claim 10, which is characterized in that second connecting tube
The bottom of inner cavity is equipped with silica gel sealing pad, and the butting section is against on the silica gel sealing pad.
12. one-off cervix expansion of balloon catheter according to claim 10, which is characterized in that second connecting tube
The inner wall of inner cavity is equipped at least one the first anti-rotation lines, the first anti-rotation line along second connecting tube axial setting and
Positioned at one end close to the Stent assembly, the outer wall of the connecting rod is equipped with the to be cooperatively connected with the first anti-rotation line
One cooperation line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905346.6U CN209392065U (en) | 2018-11-20 | 2018-11-20 | Disposable cervical dilatation sacculus pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905346.6U CN209392065U (en) | 2018-11-20 | 2018-11-20 | Disposable cervical dilatation sacculus pipe |
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| Publication Number | Publication Date |
|---|---|
| CN209392065U true CN209392065U (en) | 2019-09-17 |
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| CN (1) | CN209392065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109303600A (en) * | 2018-11-20 | 2019-02-05 | 江西易通医疗器械有限公司 | Disposable cervical dilatation sacculus pipe |
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2018
- 2018-11-20 CN CN201821905346.6U patent/CN209392065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109303600A (en) * | 2018-11-20 | 2019-02-05 | 江西易通医疗器械有限公司 | Disposable cervical dilatation sacculus pipe |
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