CN109303601A - Disposable cervical dilatation sacculus pipe - Google Patents
Disposable cervical dilatation sacculus pipe Download PDFInfo
- Publication number
- CN109303601A CN109303601A CN201811379588.0A CN201811379588A CN109303601A CN 109303601 A CN109303601 A CN 109303601A CN 201811379588 A CN201811379588 A CN 201811379588A CN 109303601 A CN109303601 A CN 109303601A
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- Prior art keywords
- hole
- silicone tube
- conduit
- connecting rod
- tube
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- 229920001296 polysiloxane Polymers 0.000 claims abstract description 69
- 210000003679 cervix uteri Anatomy 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 18
- 230000000916 dilatatory effect Effects 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 210000004877 mucosa Anatomy 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 235000005121 Sorbus torminalis Nutrition 0.000 description 2
- 244000152100 Sorbus torminalis Species 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 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
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 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
- 239000008213 purified water Substances 0.000 description 1
- 230000003248 secreting effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
- A61B2017/4225—Cervix uteri
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/14—Female reproductive, genital organs
- A61M2210/1433—Uterus
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Surgery (AREA)
- Hematology (AREA)
- Child & Adolescent Psychology (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Gynecology & Obstetrics (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
一种一次性宫颈扩张球囊导管，包括加压组件和扩张球囊，扩张球囊包括与加压组件连接的导管，与导管连接的连接组件，设于连接组件中的扩张组件，以及充盈头，充盈头朝向导管的一端设有充介质通道；连接组件包括与导管连接的连接杆，以及设述连接杆内部的连接螺丝；扩张组件包括卡扣，套设在卡扣上的硅胶管，充盈头背向导管的一端穿过卡扣并将硅胶管的末端延伸，硅胶管的内腔与充介质通道联通。本发明通过连接组件，使得导管和扩张组件之间的连接更方便；通过充盈头实现硅胶管的长度的延伸，减小硅胶管的外径；通过硅胶管对外膨胀以实现对宫颈的扩张，减轻病人的疼痛，降低对宫颈粘膜的损伤，以确保扩宫过程的安全顺利进行。
A disposable cervical dilatation balloon catheter comprises a pressurizing component and a dilatation balloon, wherein the dilatation balloon comprises a catheter connected to the pressurizing component, a connecting component connected to the catheter, an dilatation component arranged in the connecting component, and a filling head, wherein the filling head is provided with a filling medium channel at one end facing the catheter; the connecting component comprises a connecting rod connected to the catheter, and a connecting screw arranged inside the connecting rod; the dilatation component comprises a buckle, a silicone tube sleeved on the buckle, an end of the filling head facing away from the catheter passes through the buckle and extends the end of the silicone tube, and the inner cavity of the silicone tube is connected to the filling medium channel. The present invention makes the connection between the catheter and the dilatation component more convenient through the connecting component; the length of the silicone tube is extended through the filling head, and the outer diameter of the silicone tube is reduced; the silicone tube is expanded outward to achieve dilatation of the cervix, relieve the patient's pain, and reduce the damage to the cervical mucosa, so as to ensure the safe and smooth progress of the dilatation process.
Description
Technical field
The present invention 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.
Summary of the invention
It is easy to operate the object of the present invention is to provide a kind of one-off cervix expansion of balloon catheter based on this, it can be by palace
Neck, which is disposably slowly extended to, ensures the size gone on smoothly of performing the operation, and mitigates the pain of patient, reduces the damage to cervical mucosa,
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, the connection component connecting with the conduit, in the connection component
Stent assembly and one end are set in the connection component, the other end passes through the Stent assembly and extend the Stent assembly
Length full head, the full head towards one end of the conduit be equipped with filling medium channel；
The connection component includes the connecting rod being threadedly coupled with the conduit, and inside the connecting rod and is in
The connecting screw of hollow structure, the connecting screw are kept off the full head towards the tube at one end in the connecting rod
It is internal；
The Stent assembly includes buckle, is set on the buckle and the silicone tube of endcapped, the silicone tube
The connecting rod is stretched out along the direction backwards to the conduit in end, and the head end of the silicone tube is fixed on the company by the buckle
The inside of extension bar, the full head pass through the buckle backwards to one end of the conduit and extend 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 to the expansion
Gas or liquid are filled in sacculus, gas or liquid pass sequentially through conduit and filling medium channel enters the inner cavity of the silicone tube
In, 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 of the present invention, by connection component, so that conduit
Connection between Stent assembly is more convenient；The extension for realizing the length of silicone tube by filling head, on the one hand can reduce silicon
The outer diameter of sebific duct reduces into the size of uterine neck for the first time, on the other hand can reduce silicone tube uses material；Pass through gas
Or liquid passes sequentially through conduit and filling medium channel enters in the inner cavity of silicone tube, silicone tube is externally expanded to realize to uterine neck
Expansion mitigates the pain of patient so that uterine neck, which is disposably slowly extended to, ensures the size gone on smoothly of performing the operation, and reduces to palace
The damage of neck stick film, to ensure to expand the safe and smooth progress of palace process.
Further, the connecting rod is equipped with threaded hole towards the end face of the conduit, and the bottom of the threaded hole is set
There is through-hole, the connecting rod is connect with the conduit by the threaded hole, connect by the through-hole with the Stent assembly.
Further, the connecting rod corresponds to the outer dia of the through-hole, is led to by the bottom of the threaded hole along described
The outer diameter for being gradually decrease to the Stent assembly of the end direction in hole.
Further, the outer surface of the connecting screw is equipped with the external screw thread connecting with the threaded hole, the connection
Screw is equipped with location hole backwards to the end face of the conduit, and the bottom of the location hole is equipped with through hole, the connecting screw court
The locating slot with the through hole connection is equipped with to the end face of the conduit.
Further, the full head is equipped with axial hole towards the end face of the conduit, on the outer wall of the full head
Equipped at least one radial hole, the radial hole and the axial hole connection form the filling medium channel, the axial direction hole location
In the location hole.
Further, the head end of the silicone tube forms silica gel sticking part, end is arc-shaped and outer diameter is gradually reduced.
Further, the buckle includes the fitting column being bonded with the inside of the silicone tube, and is connected with the column that is bonded
The buckling parts connect is equipped in the buckle through the buckling parts and the fitting column and the card passed through convenient for the full head
The silica gel sticking part is fixed on the bottom of the threaded hole by hole, the buckling parts, and the fitting column is located in the through-hole.
Further, the cooperation between the outer wall of the fitting column and the inner wall of the silicone tube, the silicone tube it is outer
Cooperation between wall and the inner wall of the through-hole is interference fit.
Further, the length of the fitting column is not less than the length of the through-hole.
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, second connecting tube is equipped with backwards to the end of first connecting tube to be connected with the connecting rod
The external screw thread connect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one-off cervix expansion of balloon catheter in one embodiment of the invention；
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 connecting rod in Fig. 1；
Fig. 4 is the cross-sectional view of connecting screw 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 buckled in Fig. 1.
Main element symbol description:
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give several embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
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 and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 and Fig. 2 are please referred to, a kind of one-off cervix expansion of balloon catheter provided in one embodiment of the invention, including
The pressure-applying unit and dilating sacculus 100 being connected, the dilating sacculus 100 include the conduit 10 connecting with the pressure-applying unit,
The connection component 11 connecting with the conduit 10, Stent assembly 12 and one end in the connection component 11 are set to institute
It states in connection component 11, the other end passes through the Stent assembly 12 and extends the full head 13 of the length of the Stent assembly 12.
Fig. 2 and Fig. 5 are please referred to, the full head 13 is equipped with filling medium channel 131 towards one end of the conduit 10, described
The effect in filling medium channel 131 is easy for liquid or gas and is entered in the Stent assembly 12 by the full head 13.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 131 enter in the Stent assembly 12, and the Stent assembly 12 is externally expanded to realize to uterine neck
Expansion.
Referring to Fig. 2, the connection component 11 includes the connecting rod 111 being threadedly coupled with the conduit 10, and it is set to
111 inside of the connecting rod and connecting screw in hollow structure 112, the connecting screw 112 is by the court of the full head 13
It keeps off to described 10 one end of conduit in the inside of the connecting rod 111.
Fig. 2 and Fig. 3 are please referred to, the connecting rod 111 is equipped with threaded hole 1111 towards the end face of the conduit 10, described
The bottom of threaded hole 1111 is equipped with through-hole 1112, and the connecting rod 111 is connect by the threaded hole 1111 with the conduit 10,
It is connect by the through-hole 1112 with the Stent assembly 12.
It should be noted that the connecting rod 111 is made of handware or plastic injection piece, preferably in the present embodiment
Ground, in the present embodiment, the connecting rod 111 is made of stainless steel.
Further, the connecting rod 111 corresponds to the outer dia of the through-hole 1112, by the bottom of the threaded hole 1111
Portion along the end direction of the through-hole 1112 the outer diameter for being gradually decrease to the Stent assembly 12 so that the Stent assembly 12
The outer diameter of outer diameter to the connecting rod 111 be gradually increased, avoid outer diameter from being mutated, so that causing patient uncomfortable when expanding palace.
Fig. 2 and Fig. 4 are please referred to, the outer surface of the connecting screw 112 is outer equipped with what is connect with the threaded hole 1111
Screw thread, the connecting screw 112 are equipped with location hole 1121, the bottom of the location hole 1121 backwards to the end face of the conduit 10
Equipped with through hole 1122, the connecting screw 112 is equipped with and 1122 connection of through hole towards the end face of the conduit 10
Locating slot 1123.
It should be noted that in the present embodiment, the locating slot 1123, the through hole 1122 and the location hole 1121
It is interconnected, in order to which gas or liquid are entered in the filling medium channel 131 by the connecting screw 112.
Preferably, in the present embodiment, the locating slot 1123 is " one " word or " ten " font, in order to use tool (example
It such as: screwdriver) is directed at the locating slot 1123, by 112 precession of connecting screw or is screwed out in the threaded hole 1111, thus
Position of the full head 13 inside the connecting rod 111 is adjusted, that is, adjusts the full head 13 and extends the Stent assembly
12 length.
Further, to enhance sealing performance, can be arranged in the bottom of the connecting screw 112 and the threaded hole 1111
Gasket.
Referring again to Fig. 2 and Fig. 5, the full head 13 is equipped with axial hole 132 towards the end face of the conduit 10, described
The outer wall of full head 13 is equipped with a radial hole 133, and the radial hole 133 forms described fill with 132 connection of axial hole
Medium channel 131, the axial hole 132 are located in the location hole 1121.
It should be understood that in other embodiments, the number of the radial hole 133 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 13 is 20mm~80mm, in order to realize to the Stent assembly 12
Extension, the length of the full head 13 is greater than the length of the Stent assembly 12.The length of the axial hole 132 is less than described
The 1/4 of the length of full head 13, can not only realize the formation in the filling medium channel 131 in this way, but also be not required to allow the axial hole 132
Through the entire full head 13, convenient for guaranteeing the concentricity and processing of the axial hole 132.
Fig. 1 and Fig. 2 are please referred to, the Stent assembly 12 includes buckle 121, is set on the buckle 121 and end is sealed
The connecting rod 111 is stretched out along the direction backwards to the conduit 10 in the end of the silicone tube 122 closed, the silicone tube 122, described
The head end of the silicone tube 122 is fixed on the inside of the connecting rod 111 by buckle 121, and the full head 13 is led backwards to described
One end of pipe 10 passes through the buckle 121 and extends the end of the silicone tube 122, the inner cavity of the silicone tube 122 and institute
State 131 connection of filling medium channel.When carrying out cervical dilatation, the pressure-applying unit is filled with gas into the dilating sacculus 100
Or liquid, gas or liquid pass sequentially through in the inner cavity of conduit 10 and the entrance of filling medium channel 131 silicone tube 122, described
Silicone tube 122 is externally expanded to realize the expansion to uterine neck.
Fig. 2 and Fig. 6 are please referred to, the head end of the silicone tube 122 forms silica gel sticking part 1221, end is arc-shaped and outer
Diameter is gradually reduced.The silicone tube 122 is fixed convenient for the buckle 121 for 1221 one side of silica gel sticking part, separately
On the one hand leakproofness can be enhanced, arc-shaped can reduce the damage to uterine neck during operation, and outer diameter is gradually reduced so that described
The size that silicone tube 122 enters in uterine neck incrementally increases, and adapts to protruding into for the silicone tube 122 convenient for uterine neck.
Specifically, the length range of the silicone tube 122 is 20mm~70mm in the present embodiment, on the one hand assembling
Cheng Zhong, the extension for realizing the length of silicone tube 122 by filling head 13, that is, stretch the length of the silicone tube 122, so as to
Reduce the outer diameter of silicone tube 122, i.e., so that reducing for the first time into the size of uterine neck, on the other hand can reduce silicone tube 122
Use material.
Preferably, in the present embodiment, the length of the silicone tube 122 is less than the length of the full head 13, the purpose is to
In order to realize the extension to the length of the silicone tube 122 by the full head 13.When the length of the silicone tube 122 is less than
When 20mm, after being stretched by the full head 13, intensity increases and requirement is not achieved the silicone tube 122；When the silicon
When the length of sebific duct 122 is greater than 70mm, the length of the length of the silicone tube 122 and the full head 13 is close, and drawing is not achieved
The outer diameter of the effect stretched, i.e., the described silicone tube 122 will not change substantially, in addition, the silicone tube 122 is increased using material
Add, increases cost.
Fig. 2 and Fig. 7 are please referred to, the buckle 121 includes the fitting column 1211 being bonded with the inside of the silicone tube 122,
With with the buckling parts 1212 that connect of fitting column 1211, be equipped in the buckle 121 and run through the buckling parts 1212 and described
Fitting column 1211 and the card hole 1213 passed through convenient for the full head 13, the buckling parts 1212 is by the silica gel sticking part
1211 are fixed on the bottom of the threaded hole 1111, and the fitting column 1211 is located in the through-hole 1112.
It should be noted that the buckle 121 is made of handware or plastic injection piece in the present embodiment, it is preferable that
In the present embodiment, the buckle 121 is made of stainless steel.Specifically, in the present embodiment, the outer wall of the fitting column 1121 and
Matching between the outer wall of cooperation, the silicone tube 122 and the inner wall of the through-hole 1112 between the inner wall of the silicone tube 122
Conjunction is interference fit, to guarantee the leakproofness between the buckle 121, the silicone tube 122 and the connecting rod 111.
Further, the length of the fitting column 1121 is not less than the length of the through-hole 1112, to enhance the card
Bonding strength between button 121, the silicone tube 122 and the connecting rod 111.
Referring again to Fig. 2, the conduit 10 includes the first connecting tube 101 connecting with the pressure-applying unit, and with institute
The second connecting tube 102 of the first connecting tube 101 connection is stated, second connecting tube 102 is backwards to the end of first connecting tube 101
Portion is equipped with the external screw thread connecting with the connecting rod 111.
It preferably, can be in the screw thread of second connecting tube 102 and the connecting rod 111 to enhance sealing performance
Gasket is set between hole 1111.
It should be noted that in the present embodiment, the diameter of the inner cavity of first connecting tube 101 from the pressure-applying unit to
The direction of the dilating sacculus 100 is gradually reduced, until, the mesh that is in this way arranged equal with the outer diameter of second connecting tube 102
Be for the ease of the connection with second connecting tube 102.
Further, the angle between the axis of first connecting tube 101 and the axis of second connecting tube 102 is
220 °, the purpose being arranged in this way is certain in order to guarantee to have between first connecting tube 101 and second connecting tube 102
Crooked radian, convenient for the progress of operation.
Further, the outer wall of first connecting tube 101 is equipped with several indents or anti-skid chequer outstanding, described anti-skidding
Line is along axial one end being arranged and be located at the close pressure-applying unit of first connecting tube 101, the effect of the anti-skid chequer
It is easy for medical staff and holds first connecting tube 101 performing the operation.
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 present invention in use, first will suck gas or liquid, then connect with the connector in the full device,
Gas or liquid are passed sequentially through the filling medium channel 131 of conduit 10, connecting rod 111 and full head 13 by the full device, slowly
It injects in the silicone tube 122, externally expansion is to realize the expansion to uterine neck for the silicone tube 122, so that uterine neck is disposable
Slowly being extended to ensures the size that goes on smoothly of performing the operation, while passing through gas inside the pressure gauge real-time monitoring or liquid
Pressure condition, when avoiding pressure too small, cervical dilatation is not in place, or avoids pressure change excessive, so that the silicone tube 122
Outer diameter variation is excessive, leads to the damage to cervical mucosa.
To sum up, compared with the prior art, in one-off cervix expansion of balloon catheter of the present invention, by connection component 11,
So that the connection between conduit 10 and Stent assembly 12 is more convenient；The extension for realizing the length of silicone tube 122 by filling head 13,
On the one hand it can reduce the outer diameter of silicone tube 122, i.e., reduce for the first time into the size of uterine neck, on the other hand can reduce silicone tube
122 use material；Conduit 10 is passed sequentially through by gas or liquid and filling medium channel 131 enters the inner cavity of silicone tube 122
In, externally expansion is to realize the expansion to uterine neck for silicone tube 122, so that uterine neck, which is disposably slowly extended to, to be ensured to perform the operation smoothly
The size of progress mitigates the pain of patient, reduces the damage to cervical mucosa, to ensure to expand the safe and smooth progress of palace process.
Certain embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as, and be mutually between each embodiment for being proposed of the application
It can combine.It should be pointed out that for those of ordinary skill in the art, not departing from present inventive concept
Under the premise of, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, the invention patent
The scope of protection shall be subject to the appended claims.
Claims (10)
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, and the connection component connecting with the conduit is set to the connection
Stent assembly and one end in component are set in the connection component, the other end is across described in the Stent assembly and extension
The full head of the length of Stent assembly, the full head are equipped with filling medium channel towards one end of the conduit；
The connection component includes the connecting rod being threadedly coupled with the conduit, and is set to inside the connecting rod and in hollow
The connecting screw of structure, the connecting screw are kept off the full head in the connecting rod towards the tube at one end
Portion；
The Stent assembly includes buckle, is set on the buckle and the silicone tube of endcapped, the end of the silicone tube
The connecting rod is stretched out along the direction backwards to the conduit, the head end of the silicone tube is fixed on the connecting rod by the buckle
Inside, the full head backwards to one end of the conduit pass through it is described buckle and by the end of the silicone tube extend, it is described
The inner cavity of silicone tube and filling medium channel connection, when carrying out cervical dilatation, the pressure-applying unit is to the dilating sacculus
In be filled with gas or liquid, gas or liquid pass sequentially through conduit and filling medium channel enters in the inner cavity of the silicone tube, institute
Silicone tube is stated externally to expand 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 connecting rod is described in
The end face of conduit is equipped with threaded hole, and the bottom of the threaded hole is equipped with through-hole, and the connecting rod passes through the threaded hole and institute
Conduit connection is stated, is connect by the through-hole with the Stent assembly.
3. one-off cervix expansion of balloon catheter according to claim 2, which is characterized in that described in the connecting rod is corresponding
The outer dia of through-hole is gradually decrease to the Stent assembly along the end direction of the through-hole by the bottom of the threaded hole
Outer diameter.
4. one-off cervix expansion of balloon catheter according to claim 2, which is characterized in that the appearance of the connecting screw
Face is equipped with the external screw thread connecting with the threaded hole, and the connecting screw is equipped with location hole backwards to the end face of the conduit,
The bottom of the location hole is equipped with through hole, and the connecting screw is equipped with towards the end face of the conduit to be joined with the through hole
Logical locating slot.
5. one-off cervix expansion of balloon catheter according to claim 4, which is characterized in that the full head is described in
The end face of conduit is equipped with axial hole, and the outer wall of the full head is equipped at least one radial hole, the radial hole with it is described
Axial hole connection forms the filling medium channel, and the axial hole is located in the location hole.
6. one-off cervix expansion of balloon catheter according to claim 2, which is characterized in that the head end shape of the silicone tube
At silica gel sticking part, end be arc-shaped and outer diameter is gradually reduced.
7. one-off cervix expansion of balloon catheter according to claim 6, which is characterized in that it is described buckle include with it is described
The fitting column of the inside fitting of silicone tube, and with the buckling parts that connect of fitting column, be equipped with through the button in the buckle
The silica gel sticking part is fixed on by conjunction portion and the card hole for being bonded column and passing through convenient for the full head, the buckling parts
The bottom of the threaded hole, the fitting column are located in the through-hole.
8. one-off cervix expansion of balloon catheter according to claim 7, which is characterized in that it is described fitting column outer wall and
The cooperation between the outer wall of cooperation, the silicone tube and the inner wall of the through-hole between the inner wall of the silicone tube is interference
Cooperation.
9. one-off cervix expansion of balloon catheter according to claim 7, which is characterized in that the length of the fitting column is not
Less than the length of the through-hole.
10. according to claim 1 to one-off cervix expansion of balloon catheter described in 9 any one, which is characterized in that described to lead
Pipe includes the first connecting tube connecting with the pressure-applying unit, and the second connecting tube connecting with first connecting tube, institute
It states the second connecting tube and is equipped with the external screw thread connecting with the connecting rod backwards to the end of first connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379588.0A CN109303601A (en) | 2018-11-20 | 2018-11-20 | Disposable cervical dilatation sacculus pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379588.0A CN109303601A (en) | 2018-11-20 | 2018-11-20 | Disposable cervical dilatation sacculus pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109303601A true CN109303601A (en) | 2019-02-05 |
Family
ID=65223263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811379588.0A Pending CN109303601A (en) | 2018-11-20 | 2018-11-20 | Disposable cervical dilatation sacculus pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109303601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840536A (en) * | 2019-11-05 | 2020-02-28 | 江西易通医疗器械有限公司 | Disposable cervical dilatation sacculus pipe |
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|---|---|---|---|---|
| WO2015030726A1 (en) * | 2013-08-27 | 2015-03-05 | Niver Karen Louise | Cervical dilator |
| CN205163204U (en) * | 2015-07-20 | 2016-04-20 | 上海震海医用设备有限公司 | Disposable sacculus cervical induced labor expander |
| CN205948167U (en) * | 2016-04-08 | 2017-02-15 | 深圳市益心达医学新技术有限公司 | Uterine neck expanding balloon catheter |
| CN108175485A (en) * | 2017-11-29 | 2018-06-19 | 江西易通医疗器械有限公司 | Cervical dilatation balloon |
| CN209392061U (en) * | 2018-11-20 | 2019-09-17 | 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 CN201811379588.0A patent/CN109303601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015030726A1 (en) * | 2013-08-27 | 2015-03-05 | Niver Karen Louise | Cervical dilator |
| CN205163204U (en) * | 2015-07-20 | 2016-04-20 | 上海震海医用设备有限公司 | Disposable sacculus cervical induced labor expander |
| CN205948167U (en) * | 2016-04-08 | 2017-02-15 | 深圳市益心达医学新技术有限公司 | Uterine neck expanding balloon catheter |
| CN108175485A (en) * | 2017-11-29 | 2018-06-19 | 江西易通医疗器械有限公司 | Cervical dilatation balloon |
| CN209392061U (en) * | 2018-11-20 | 2019-09-17 | 江西易通医疗器械有限公司 | Disposable cervical dilatation sacculus pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840536A (en) * | 2019-11-05 | 2020-02-28 | 江西易通医疗器械有限公司 | Disposable cervical dilatation sacculus pipe |
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Application publication date: 20190205 |