CN107875500A - Foley's tube - Google Patents
Foley's tube Download PDFInfo
- Publication number
- CN107875500A CN107875500A CN201610856199.7A CN201610856199A CN107875500A CN 107875500 A CN107875500 A CN 107875500A CN 201610856199 A CN201610856199 A CN 201610856199A CN 107875500 A CN107875500 A CN 107875500A
- Authority
- CN
- China
- Prior art keywords
- distal end
- tube
- discharge pipe
- foley
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
-
- 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
- A61M25/1018—Balloon inflating or inflation-control devices
- A61M25/10184—Means for controlling or monitoring inflation or deflation
-
- 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
Abstract
The invention discloses a kind of foley's tube, including the conduit tube component with relative distal end and near-end, the expandable balloon positioned at conduit tube component distal end and the fastening piece being movably sheathed on outside expandable balloon.Conduit tube component includes axially penetrating through the main body tube of expandable balloon and ascending pipe and discharge pipe with communicating inside expandable balloon.Ascending pipe and discharge pipe may be contained within the outside of main body tube.The distal end of ascending pipe and the distal end of discharge pipe are respectively positioned on the inside of expandable balloon, and the distal end of ascending pipe is compared closer to the distal end of expandable balloon in the distal end of discharge pipe.The foley's tube of the present invention is before human body is inserted, pressure fluid enters inside expandable balloon through ascending pipe, the residual gas of balloon interior is extruded into its distal end and discharged by discharge pipe, ensure that exhaust is more thorough using the effect of contraction of fastening piece simultaneously, after sacculus cracking can effectively being prevented, residual gas injures into blood to caused by human body.
Description
Technical field
The invention belongs to medical instruments field, is related to a kind of interventional medical device, and in particular to foley's tube.
Background technology
Foley's tube is widely used in the expansion of intravascular stenotic lesions, or support insert and process of expansion.It is existing
Foley's tube generally comprise conduit, the sacculus positioned at distal end of catheter, and the joint being connected with catheter proximal end.Conduit, which has, to be used
In full and pressure release sacculus full chamber and the guidewire lumen for accommodating and passing through seal wire.Balloon interior and full chamber and joint phase
It is logical.
Foley's tube by the expandable balloon of distal end of catheter in use, first insert human body, then in vitro using specific
Pressure apparatus, using liquid medium by pressure transmission to balloon interior, expand balloon expandable.But due to foley's tube
Production process produces for normal pressure, and balloon interior has residual gas fraction.When sacculus is by compression swelling, residual gas is situated between by liquid
Matter is extruded and assembled to the interior distal end of sacculus.Once cracking occurs in human body for sacculus, the residual gas in sacculus enters
Enter blood and form aeroembolism, human body can be caused serious injury, or even produce fatal risk.Therefore, foley's tube is passing through Jie
Enter before operation inserts human body, it is necessary to first the residual gas of balloon interior is emptied, prevents sacculus from rupturing, residual gas entrance
Blood damages to human body.
Prior art typically discharges the residual gas of balloon interior by the way of suction.Specifically, it is using outside
Being internally formed for the connection of the joint of pumping equipment and foley's tube, startup pumping equipment, balloon interior and pumping equipment is relatively true
Sky, now the residual gas of balloon interior is spontaneous flows to inside pumping equipment.
The shortcomings that this method is that the formed vacuum of suction can only be relative vacuum.When the gas flow of balloon interior is taken out
Equipment is inhaled, after both sides pressure reaches balance, relative vacuum has not existed, and now gas no longer flows.Therefore, even across repeatedly
After multiple suction, balloon interior still has gas.Therefore, this method can not be completely exhausted out the gas of balloon interior.
The content of the invention
Based on this, it is necessary to provide a kind of foley's tube, it can be more thoroughly discharged in sacculus before human body is inserted
The residual gas in portion, residual gas enters blood formation aeroembolism after preventing sacculus rupture, and then reduces sacculus rupture to human body
The possibility damaged.
Foley's tube provided by the invention, including the conduit tube component with relative distal end and near-end, positioned at the conduit
The expandable balloon of component remote and the fastening piece being movably sheathed on outside the expandable balloon.The conduit tube component
Main body tube and the ascending pipe with being communicated inside the expandable balloon and discharge including axially penetrating through the expandable balloon
Pipe.The ascending pipe and the discharge pipe may be contained within the outside of the main body tube.The distal end of the ascending pipe and the discharge
The distal end of pipe is respectively positioned on the inside of the expandable balloon, and the distal end of the discharge pipe is compared the distal end of the ascending pipe and more leaned on
The distal end of the nearly expandable balloon.Before the foley's tube enters human body, liquid medium is entered by the ascending pipe
The expandable balloon, the residual gas inside the expandable balloon is pressed to the interior distal end of the expandable balloon, this
The trend of the oriented periphery expansion of Shi Suoshu expandable balloons, but because constraint of the fastening piece to the expandable balloon is made
Will not expand expansion in exhaust process with, the expandable balloon, residual gas only can further be pressed against it is described can
The interior distal end of dilating sacculus, finally under lasting liquid medium perfusion, whole residual gas is discharged through the discharge pipe.
In one of the embodiments, the expandable balloon has near-end necking section.The distal end of the ascending pipe is located at
Between the distal end of the near-end of the near-end necking section and the near-end necking section, and the distal end of the ascending pipe and the proximal neck
The distance of the axial direction along the conduit tube component between the near-end in contracting portion, less than distal end and the near-end of the ascending pipe
The distance of the axial direction along the conduit tube component between the distal end of necking section.
In one of the embodiments, the expandable balloon has distal end necking section.The distal end of the discharge pipe is located at
Between the distal end of the near-end of the distal end necking section and the distal end necking section, and the distal end of the discharge pipe and the distal end neck
The distance of the axial direction along the conduit tube component between the distal end in contracting portion, less than distal end and the distal end of the discharge pipe
The distance of the axial direction along the conduit tube component between the near-end of necking section.
In one of the embodiments, the axial direction of the relatively described discharge pipe in the distal end end face of the discharge pipe tilts.
In one of the embodiments, the distal end end face of the discharge pipe has the first beveling being connected from distal end to near-end
Portion, the second oblique cutting part and the 3rd oblique cutting part.
In one of the embodiments, the axial direction from distal end to near-end of first oblique cutting part and the discharge pipe
With the first angle.The axial direction from distal end to near-end of second oblique cutting part and the discharge pipe has the second angle.
The axial direction from distal end to near-end of 3rd oblique cutting part and the discharge pipe has the 3rd angle.First angle,
The angular range of second angle and the 3rd angle is 0 degree to 90 degree.
In one of the embodiments, the angular range of first angle, second angle and the 3rd angle
It is 10 degree to 60 degree.
In one of the embodiments, first oblique cutting part has the first axial length.Second oblique cutting part has
Second axial length.3rd oblique cutting part has the 3rd axial length.First axial length, second axial length
And the summation of the 3rd axial length is less than or equal to the axial length of the distal end necking section.
In one of the embodiments, first axial length, second axial length and the described 3rd are axially long
Each axial length in degree is equal to 1/3rd of the axial length of the distal end necking section.
In one of the embodiments, the main body tube and the discharge pipe are contained in the tube chamber of the ascending pipe, and
The outer surface of the discharge pipe is in contact and is connected with the outer surface of the main body tube.The cross section of the tube chamber of ascending pipe now
In a ring, flow of the liquid medium within the unit interval can be increased, accelerate the TPER of the expandable balloon.
In one of the embodiments, the outer surface of the ascending pipe is in contact and phase with the outer surface of the main body tube
Even.The outer surface of the discharge pipe is in contact and is connected with the outer surface of the main body tube.
In one of the embodiments, the conduit tube component is the multi-lumen tube at least having three chambers.The ascending pipe
The cross section of at least one tube chamber is in crescent, circle, semicircle or sector in the tube chamber of tube chamber and the discharge pipe.
In one of the embodiments, the fastening piece is made up of macromolecule or metal.The inner surface of the fastening piece
Roughness Ra be less than or equal to 1.6.
In one of the embodiments, the foley's tube also includes joint, and the joint includes and the main body tube phase
First interface, the second interface being connected with the ascending pipe and the 3rd interface being connected with the discharge pipe even.Described 3rd
Interface can be connected by triple valve with the discharge pipe, for controlling the connection between the 3rd interface and the discharge pipe
Or the cut-off between the 3rd interface and the discharge pipe.
The present invention compared with prior art, at least has the advantages that：
During extruding gas in vitro, the effect of contraction by fastening piece to expandable balloon, expandable balloon is not
Expansion can be expanded.Residual gas inside the expandable balloon of foley's tube is injecting the liquid medium of sacculus through ascending pipe
Exclusion under, can from compare ascending pipe closer to balloon distal discharge pipe discharge, effectively prevent expandable balloon in body
After interior generation cracking, the residual gas inside expandable balloon enters blood formation aeroembolism to be injured to caused by human body.
Accompanying drawing and brief description of the drawings
Fig. 1 is the foley's tube front view of first embodiment of the invention, and the foley's tube includes having relative near-end
And the conduit tube component of distal end, the expandable balloon positioned at conduit tube component distal end, the joint being connected with conduit tube component near-end and it can live
The fastening piece being sheathed on dynamicly outside expandable balloon；
Fig. 2A and Fig. 2 B be conduit tube component in Fig. 1 in the sectional view on the section of conduit tube component axial direction,
Wherein, Fig. 2A be Fig. 1 in conduit tube component line A-A along Fig. 1 sectional view, Fig. 2 B be Fig. 1 in conduit tube component along Fig. 1 B-
The sectional view of B lines；
Fig. 3 is the partial enlarged drawing of the expandable balloon and conduit tube component in Fig. 1, and conduit tube component includes main body tube, injection
Pipe and discharge pipe；
Fig. 4 A and Fig. 4 B are the main body tube and discharge pipe distal end schematic diagram in Fig. 3, and discharge pipe has the axle of relative discharge pipe
To the inclined distal end end face in direction, wherein Fig. 4 A are front view, and Fig. 4 B are side view；
Fig. 5 is the front view of the another embodiment of discharge pipe distal end end face；
Fig. 6 is the front view of the another embodiment of discharge pipe distal end end face；
Fig. 7 is the front view of the another embodiment of discharge pipe distal end end face；
Fig. 8 is the conduit tube component near-end of second embodiment of the invention on the section of conduit tube component axial direction
Sectional view；
Fig. 9 is the conduit tube component near-end of third embodiment of the invention on the section of conduit tube component axial direction
Sectional view.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to clearly describe the structure of foley's tube, term " near-end " and " distal end " are limited herein as intervention medical treatment
Field common terminology.Specifically, in intervention medical field, " distal end " represents one away from operating personnel in operative process
End, " near-end " are represented in operative process close to one end of operating personnel.Unless otherwise defined, it is used in the present invention all
Technology and scientific terminology it is identical with the implication that is generally understood that of those skilled in the art for belonging to the present invention.The present invention is being said
Term used in bright book is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.
Embodiment one
Refer to Fig. 1, the foley's tube 100 of embodiment one, including with relative near-end and the conduit tube component of distal end 10,
Expandable balloon 20 positioned at the distal end of conduit tube component 10, the joint 30 being connected with the near-end of conduit tube component 10 and movably it is arranged
Fastening piece 40 outside expandable balloon 20.The near-end of expandable balloon 20 and distal end are sheathed on the outer of conduit tube component 10 respectively
Week simultaneously seals.
Expandable balloon 20 has three flaps (not shown).Three flaps are wound simultaneously around the axis of conduit tube component 10
Wrapped by fastening piece 40, to cause expandable balloon 20 to be in compressive state.Fastening piece 40 can before expandable balloon 20 is expanded
Removed from the periphery of expandable balloon 20.It is understood that according to actual demand, the quantity of flap can also be more than three,
As long as external dimensions of multiple flaps after the axis winding of the conduit tube component 10 can pass through the delivery pipe of foley's tube 100
Road (not shown).
Fastening piece 40 can be made up of macromolecule or metal.Specifically, in the present embodiment, fastening piece 40 is stainless by 304
Steel is made.It is understood that fastening piece 40 can also be made up of high polymer material, such as high density polyethylene (HDPE) (referred to as：HDPE)、
Polytetrafluoroethylene (PTFE) is (referred to as：PTFE), polyether-ether-ketone (abbreviation：PEEK) or acetal resin (referred to as：) etc. POM both possess it is certain just
Property is but also with the material compared with smooth surface.
The roughness Ra of the inner surface of fastening piece 40 is less than or equal to 1.6, to ensure be sheathed on fastening piece 40 can
During the periphery of dilating sacculus 20, fastening piece 40 and expandable balloon 20 coordinate close and will not scratch expandable balloon 20.
It is understood that the axial direction that the axial length of fastening piece 40 can be more than or equal to expandable balloon 20 is long
Degree, i.e. fastening piece 40 cover whole outer surfaces of expandable balloon 20.The axial length of fastening piece 40 might be less that expansible
The axial length of sacculus 20, i.e. fastening piece 40 only cover the partial outer face of expandable balloon 20.
Continuing with referring to Fig. 1, conduit tube component 10 includes the main body tube 11 for axially penetrating through expandable balloon 20, and with can
The ascending pipe 12 and discharge pipe 13 communicated inside dilating sacculus 20.Ascending pipe 12 and discharge pipe 13 may be contained within the outer of main body tube 11
Side.The distal end of ascending pipe 12 and the distal end of discharge pipe 13 are respectively positioned on the inside of expandable balloon 20.Compare the distal end of discharge pipe 13
The distal end of ascending pipe 12 is closer to the distal end of expandable balloon 20.
The tube chamber of main body tube 11 can accommodate seal wire (not shown).The tube chamber of ascending pipe 12 is full chamber, and it provides liquid
The passage that medium enters inside the expandable balloon 20.The tube chamber of discharge pipe 13 is discharge chamber, and it provides residual gas and liquid
Passage inside body medium discharge expandable balloon 20.
The near-end of expandable balloon 20 is sheathed on the periphery of ascending pipe 12 and sealing.The distal end of expandable balloon 20 is sheathed on
The periphery of main body tube 11 and sealing.
Fig. 2A is referred to, main body tube 11 and discharge pipe 19 are contained in the tube chamber of ascending pipe 12.Thus, the pipe of ascending pipe 12
The cross section of chamber in a ring, can increase flow of the liquid medium within the unit interval, shorten expandable balloon 20 it is full when
Between.
Fig. 2 B are referred to, the outer surface of discharge pipe 13 is in contact and is connected with the outer surface of main body tube 11.It is appreciated that
It is that the outer surface of discharge pipe 13 can pass through the art technology such as all or part of welding, Nian Jie with the outer surface of main body tube 11
The general technological means engagement of personnel, thus, multiple bodys of conduit tube component 10 body lumen crooked position will not bifurcated,
Beneficial to the transmission of push power, passability of the conduit tube component 10 in body lumen is improved.In the present embodiment, discharge pipe 13
Side wall of the near-end through ascending pipe 12 is worn to the outside of ascending pipe 12.It is understood that in other embodiment, discharge pipe 13 it is near
The side wall of handle (not shown) that can be through being connected with the near-end of conduit tube component 10 is held to wear to the outside of foley's tube 100, without
Side wall through main body tube 11 or ascending pipe 12 is worn to the outside of conduit tube component 10.
Fig. 3 is referred to, expandable balloon 20 has near-end necking section 21 and the distal end constriction relative with near-end necking section 21
Portion 22.Under expansion state, near-end necking section 21 proximally gradually increases to the cross section of distal end, and distal end necking section 22 is proximally
It is gradually reduced to the cross section of distal end.
The distal end of ascending pipe 12 is located between the near-end of near-end necking section 21 and the distal end of near-end necking section 21, and ascending pipe
The distance of the axial direction along conduit tube component 10 between 12 distal end and the near-end of near-end necking section 21, less than ascending pipe 12
The distance of the axial direction along conduit tube component 10 between distal end and the distal end of near-end necking section 21.In this way, it can reduce multiple
The size of the circumferential profile of expandable balloon 20 of the flap after the axis winding of conduit tube component 10, improves foley's tube 100
Passability in body lumen.
The distal end of discharge pipe 13 is located between the near-end of distal end necking section 22 and the distal end of distal end necking section 22, and discharge pipe
The distance of the axial direction along conduit tube component 10 between 13 distal end and the distal end of distal end necking section 22, less than discharge pipe 13
The distance of the axial direction along conduit tube component 10 between distal end and the near-end of distal end necking section 22, and the distal end of discharge pipe 13
It is spaced from each other with the inwall of expandable balloon 20.In this way, the distal end of the distal end and distal end necking section 22 of discharge pipe 13 can be reduced
Between dead-space volume, reduce residual gas can by what is be squeezed into dead-space volume after the extruding of liquid medium and can not flow
Can, it is ensured that residual gas fully enters discharge pipe 13 and is discharged.
Preferably, in the present embodiment, the distal end end face 130 of discharge pipe 13 tilts with respect to the axial direction of discharge pipe 13, with
So that discharge pipe 13 has the sectional area of bigger reception residual gas, residual gas is improved inside the expandable balloon 20
Into the speed of the tube chamber of discharge pipe 13.
Refer to Fig. 4 A, the distal end end face 130 of discharge pipe 13 have from distal end to near-end the first connected oblique cutting part 131,
Second oblique cutting part 132 and the 3rd oblique cutting part 133.
Refer to Fig. 4 B, the first oblique cutting part 131 and discharge pipe 13 from distal end to having the between the axial direction of near-end
One angle α.Second oblique cutting part 132 and discharge pipe 13 from distal end to having the second angle β between the axial direction of near-end.3rd
Oblique cutting part 133 and discharge pipe 13 from distal end to having the 3rd angle γ between the axial direction of near-end.First angle α, second
Angle β and the 3rd angle γ angular range are 0 degree to 90 degree.Preferably, the first angle α, the second angle β and the 3rd angle
γ angular range is 10 degree to 60 degree.Specifically, in the present embodiment, the second angle β is less than the 3rd angle γ, the 3rd folder
Angle γ is less than the first angle α, and the first angle α is 60 degree, and the second angle β is 10 degree, and the 3rd angle γ is 45 degree.Thus, it is more
The distal end end face 130 for the discharge pipe 13 that individual oblique cutting part is formed not only contributes to further increasing section product, improves in the unit interval
The volume of the residual gas of receiving, the grading profile of distal end necking section 22 can also be complied with, improve the compliance of foley's tube 100
And passability of the foley's tube 100 in body lumen.
Please referring also to Fig. 4 B and Fig. 3, the first oblique cutting part 131 have the first axial length L1.Second oblique cutting part 132 has
Second axial length L 2.3rd oblique cutting part 133 has the 3rd axial length L 3.First axial length L1, the second axial length L 2
And the 3rd axial length L 3 summation be less than or equal to distal end necking section 22 axial length L 0, divide residual gas with preventing portion
Diffusivity is back to the inner proximal of expandable balloon 20, it is ensured that residual gas completely into discharge pipe 13 and can be discharged.Tool
Body, in the present embodiment, the first axial length L1, the second axial length L 2 and the 3rd axial length L 3 summation are equal to distal end
The axial length L 0 of necking section 22.The axial length that the oblique cutting part has refers to, the near-end of oblique cutting part and same oblique cutting part
The distance of the axial direction along discharge pipe 13 between distal end.The axial length of the distal end necking section refers to, distal end necking section
Near-end and distal end necking section distal end between the axial direction along main body tube 11 distance.
Referring again to Fig. 1, joint 30 includes the first interface 31 being connected with main body tube 11, be connected with ascending pipe 12 the
Two interfaces 32 and the 3rd interface 33 being connected with discharge pipe 13.3rd interface 33 is connected by triple valve 34 with discharge pipe 13.Three
Port valve 34 be used to control between connection or the 3rd interface 33 and discharge pipe 13 between the 3rd interface 33 and discharge pipe 13 every
It is disconnected.It is understood that joint 30 can also include other interfaces, and set respectively with outside contrast apparatus, blood transfusion apparatus, perfusion
It is standby to wait treatment or diagnostic device to be connected.
The Clinical practice process of the foley's tube 100 of embodiment one described further below, specifically includes following steps：
The first step：Before foley's tube 100 enters in patient body, by balloon dilatation pressure pump (not shown) and second
Interface 32 is connected, and keeps triple valve 34 to be protected for open mode (keeping connecting between the 3rd interface 33 and discharge pipe 13)
Expandable balloon 20 is held to be wrapped by fastening piece 40.
Second step：Liquid medium is irrigated into balloon dilatation pressure pump, balloon dilatation pressure pump is opened and liquid medium is applied
Plus-pressure, tube chamber of the liquid medium of compression through ascending pipe 12 enter inside expandable balloon 20, and by expandable balloon 20
The residual gas in portion presses to the distal end inside expandable balloon 20.Now, the trend of 20 oriented periphery of expandable balloon expansion, but
It is due to effect of contraction of the fastening piece 40 to expandable balloon 20, expandable balloon 20 will not expand expansion in the process
, multiple flaps continue to the state wrapped.Residual gas gradually enters under the squeezing action of the liquid medium of Continuous Perfusion
Enter discharge pipe 13 and finally discharged via the 3rd interface 33.
3rd step：Continue the liquid medium of perfusion certain time, until liquid medium is completely filled with compressive state
The inside of expandable balloon 20 and the tube chamber of discharge pipe 13, now residual gas all discharged, close triple valve 34, complete
The exhaust process of foley's tube 100.
4th step：The pressure that balloon dilatation pressure pump applies to liquid medium is released, is extracted out by balloon dilatation pressure pump
The inside of expandable balloon 20 and 13 intraluminal liquid medium of discharge pipe, and remove fastening piece from the outer surface of expandable balloon 20
40, now multiple flaps of expandable balloon 20 remain in that the used reeling condition having.Then percutaneous puncture is in patient tube intracavitary
Guiding wire (not shown) is inserted, and foley's tube 100 is inserted target position in patient body by the track established along guiding wire
Point, other conventional therapies such as row conventional balloon dilatation or angioplasty or diagnostic method.Due to residual in foley's tube 100
Stay gas all to discharge, avoid expandable balloon 20 in human body during cracking, residual gas enters blood and produces gas
Bolt, and then the possibility that cracking of the expandable balloon 20 in human body damages to human body is reduced, improve operation
Safety and effectiveness.
5th step：After the conventional therapy of 4th step or diagnosis, foley's tube 100 is withdrawn from from human body and is led
Silk, completes whole surgical procedure.
It is understood that in other embodiment, the distal end end face 130 of discharge pipe 13 can also be perpendicular to discharge pipe 13
Axis (as shown in Figure 5).It is understood that in other embodiment, the first angle α, the second angle β and the 3rd angle γ can be with
It is equal, such as 45 degree are equal to, the purpose of the present invention can also be realized.It will also be appreciated that in other embodiment, first axle
Can also be equal to length L1, the second axial length L 2 and the 3rd axial length L 3, such as it is equal to the axle of distal end necking section 22
To 1/3rd of length L0.It will also be appreciated that in other embodiment, the distal sections 130 of discharge pipe 13 can also be
The other shapes such as oval (as shown in Figure 6), water-drop-shaped (as shown in Figure 7), enter as long as not influenceing gas from distal end end face 130
Discharge pipe 13.
Embodiment two
The structure of the foley's tube of the present embodiment and the structure of the foley's tube 100 of embodiment one are essentially identical, distinguish it
It is in the main body tube 51 of the conduit tube component 50 of the present embodiment, the relative position of ascending pipe 52 and discharge pipe 53 and embodiment one
In main body tube 11, the relative position of ascending pipe 12 and discharge pipe 13 it is different.
Specifically, Fig. 8 is referred to, in the present embodiment, ascending pipe 52 and discharge pipe 53 are respectively arranged at main body tube 51
Both sides, and the outer surface of ascending pipe 52 and the outer surface of discharge pipe 53 are in contact and are connected with the outer surface of main body tube 51.Note
Enter pipe 52 axial direction and discharge pipe 53 axial direction it is axially in parallel with main body tube 51, and the outer surface of ascending pipe 52 and discharge pipe
53 outer surface and not in contact with.It is understood that in other embodiment, the outer surface of ascending pipe 52 can be with discharge pipe 53
Outer surface contacts, and can also be in contact and be connected with the outer surface of discharge pipe 53.In the present embodiment, main body tube 51, ascending pipe
52 and discharge pipe 53 be extruded into conduit tube component 50 by being integrally formed, assembling is simple, and manufacturing cost is low, it is easy to accomplish industrialization
Production.
It is understood that main body tube 51, ascending pipe 52 or discharge pipe 53 pass through assembling after can also being molded alone respectively
Mode form conduit tube component 50.Ascending pipe 52 or discharge pipe 53 after assembling and main body tube 51 can mutual adhesion, can also
Connected by the general technological means of the those skilled in the art such as all or part of welding, bonding, to prevent conduit tube component 50
Multiple bodys and then reduce the push power that operator pushes conduit tube component 50, raising pushes away in the crooked position bifurcated of body lumen
Send the operability of conduit tube component 50.
Embodiment three
The structure of the foley's tube of the present embodiment and the structure of the foley's tube 100 of embodiment one are essentially identical, distinguish it
It is in the main body tube 61 of the conduit tube component 60 of the present embodiment, the relative position of ascending pipe 62 and discharge pipe 63 and embodiment one
In main body tube 11, the relative position of ascending pipe 12 and discharge pipe 13 it is different.
Specifically, Fig. 9 is referred to, in the present embodiment, conduit tube component 60 is integrated extrusion molding.Ascending pipe 62 and discharge
Pipe 63 may be contained within the outside of main body tube 61.Ascending pipe 62 is that the cross section of tube chamber is in the tubulose knot of crescent with discharge pipe 63
Structure, and the two cooperatively forms the hollow columnar structures of an encirclement main body tube 61 jointly.Ascending pipe 62 and discharge pipe 63 and main body
Pipe 61 is collectively forming three lumens.It is understood that in other embodiment, the cross section of the tube chamber of ascending pipe can also be in
The other shapes such as circular, semicircle or sector, as long as not influenceing the inside that liquid medium self seeding pipe enters expandable balloon
.It is understood that the cross section of the tube chamber of discharge pipe can also be rounded, semicircle or fan-shaped etc. other shapes,
As long as residual gas is not influenceed and liquid medium enters discharge pipe and is discharged the inside of expandable balloon.It is also understood that
, in other embodiment, conduit tube component 60 can be the multi-lumen tubes such as four lumens, five-tubed catheter, as long as using one of chamber as
The tube chamber of the tube chamber of main body tube 61, a chamber as ascending pipe 62, tube chamber gas of the chamber as discharge pipe 63, and main body tube
61 run through expandable balloon, and the distal end of discharge pipe 63 is compared the distal end of ascending pipe 62 closer to the distal end of expandable balloon, also may be used
Reach the purpose of the present invention.Remaining cavity of multi-lumen tube, available for other abilities such as injection contrast agent, therapeutic agent or cryoablations
The passage of domain conventional therapy and diagnostic method.
The topology layout of the conduit tube component 60 of the present embodiment is compacter, and space utilization is reasonable, can reduce conduit tube component
60 exterior contour, be advantageous to conduit tube component 60 and promoted in vascular.This symmetrical structure improves conduit tube component 60 simultaneously
The balance of radial mechanical performance.
To sum up, foley's tube provided by the invention, due to the injection flowed into medium for liquid inside expandable balloon
Pipe and the discharge pipe supplied inside residual gas discharge expandable balloon, before foley's tube is transported in human body, using liquid
Residual gas inside expandable balloon is discharged foley's tube by the mode of body extrusion.Further, since fastening piece is to expansible ball
The effect of contraction of capsule, during gas is extruded, expandable balloon will not expand expansion, can thoroughly empty expansible
Residual gas in sacculus, it is residual inside expandable balloon after effectively preventing expandable balloon from cracking occurs in vivo
Gas is stayed to be injured into blood to caused by human body.
Embodiments of the invention are described above in association with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (14)
1. foley's tube, including the conduit tube component with relative distal end and near-end, expanding positioned at the conduit tube component distal end
Sacculus and the fastening piece being movably sheathed on outside the expandable balloon are opened, the conduit tube component includes axially penetrating through institute
State the main body tube of expandable balloon and ascending pipe and discharge pipe with being communicated inside the expandable balloon, the ascending pipe
And the discharge pipe may be contained within the outside of the main body tube, the distal end of the distal end of the ascending pipe and the discharge pipe is respectively positioned on
The inside of the expandable balloon, and the distal end of the ascending pipe is compared closer to the expansible ball in the distal end of the discharge pipe
The distal end of capsule.
2. foley's tube according to claim 1, it is characterised in that the expandable balloon has near-end necking section, institute
The distal end of ascending pipe is stated between the near-end of the near-end necking section and the distal end of the near-end necking section, and the ascending pipe
Distal end and the near-end necking section near-end between the axial direction along the conduit tube component distance, less than the injection
The distance of the axial direction along the conduit tube component between the distal end of the distal end of pipe and the near-end necking section.
3. foley's tube according to claim 1, it is characterised in that the expandable balloon has distal end necking section, institute
The distal end of discharge pipe is stated between the near-end of the distal end necking section and the distal end of the distal end necking section, and the discharge pipe
Distal end and the distal end necking section distal end between the axial direction along the conduit tube component distance, less than the discharge
The distance of the axial direction along the conduit tube component between the near-end of the distal end of pipe and the distal end necking section.
4. foley's tube according to claim 1, it is characterised in that the relatively described discharge in distal end end face of the discharge pipe
The axial direction of pipe tilts.
5. foley's tube according to claim 4, it is characterised in that the distal end end face of the discharge pipe is from distal end to near-end
With the first connected oblique cutting part, the second oblique cutting part and the 3rd oblique cutting part.
6. foley's tube according to claim 5, it is characterised in that first oblique cutting part and the discharge pipe are from remote
End is to having the first angle between the axial direction of near-end, second oblique cutting part is with the discharge pipe from distal end to near-end
There is the second angle between axial direction, the axial direction from distal end to near-end of the 3rd oblique cutting part and the discharge pipe it
Between there is the 3rd angle, the angular range of first angle, second angle and the 3rd angle is 0 degree to 90
Degree.
7. foley's tube according to claim 6, it is characterised in that first angle, second angle and described
The angular range of 3rd angle is 10 degree to 60 degree.
8. foley's tube according to claim 5, it is characterised in that first oblique cutting part has the first axial length,
Second oblique cutting part has the second axial length, and the 3rd oblique cutting part has the 3rd axial length；The expandable balloon
With distal end necking section, first axial length, the summation of second axial length and the 3rd axial length is less than
Or the axial length equal to the distal end necking section.
9. foley's tube according to claim 8, it is characterised in that first axial length, second axial direction are long
Degree and the 3rd axial length in each axial length be equal to the distal end necking section axial length three/
One.
10. foley's tube according to claim 1, it is characterised in that the main body tube and the discharge pipe are contained in institute
In the tube chamber for stating ascending pipe, and the outer surface of the discharge pipe is in contact and is connected with the outer surface of the main body tube.
11. foley's tube according to claim 1, it is characterised in that the outer surface of the ascending pipe and the main body tube
Outer surface be in contact and be connected, the outer surface of the discharge pipe is in contact and is connected with the outer surface of the main body tube.
12. foley's tube according to claim 1, it is characterised in that the conduit tube component is at least to have three chambers
The cross section of at least one tube chamber is in crescent, circle in the tube chamber of multi-lumen tube, the tube chamber of the ascending pipe and the discharge pipe
Shape, semicircle or sector.
13. foley's tube according to claim 1, it is characterised in that the fastening piece is made up of macromolecule or metal,
The roughness of the inner surface of the fastening piece is less than or equal to Ra1.6.
14. foley's tube according to claim 1, it is characterised in that the foley's tube also includes joint, the joint
It is connected including the first interface being connected with the main body tube, the second interface being connected with the ascending pipe and with the discharge pipe
3rd interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856199.7A CN107875500A (en) | 2016-09-27 | 2016-09-27 | Foley's tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856199.7A CN107875500A (en) | 2016-09-27 | 2016-09-27 | Foley's tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107875500A true CN107875500A (en) | 2018-04-06 |
Family
ID=61768790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856199.7A Pending CN107875500A (en) | 2016-09-27 | 2016-09-27 | Foley's tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107875500A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033363A1 (en) * | 2020-08-10 | 2022-02-17 | 成都赛拉诺医疗科技有限公司 | Medium exchanging apparatus |
| CN115068731A (en) * | 2022-08-08 | 2022-09-20 | 河南中医药大学第一附属医院 | Contrast agent delivery puncture device for breast ductography and method of use thereof |
| CN117179844A (en) * | 2023-11-08 | 2023-12-08 | 成都百瑞恒通医疗科技有限公司 | Device for blocking and treating vascular lesions and malignant tumors |
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| EP0379794A1 (en) * | 1989-01-27 | 1990-08-01 | C.R. Bard, Inc. | Fast purge balloon dilatation catheter |
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| CN206534979U (en) * | 2016-09-27 | 2017-10-03 | 先健科技(深圳)有限公司 | Foley's tube |
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| US4930341A (en) * | 1986-08-08 | 1990-06-05 | Scimed Life Systems, Inc. | Method of prepping a dilatation catheter |
| US4811737A (en) * | 1987-11-16 | 1989-03-14 | Schneider-Shiley (Usa) Inc. | Self-purging balloon catheter |
| EP0379794A1 (en) * | 1989-01-27 | 1990-08-01 | C.R. Bard, Inc. | Fast purge balloon dilatation catheter |
| US5224933A (en) * | 1992-03-23 | 1993-07-06 | C. R. Bard, Inc. | Catheter purge device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033363A1 (en) * | 2020-08-10 | 2022-02-17 | 成都赛拉诺医疗科技有限公司 | Medium exchanging apparatus |
| CN115068731A (en) * | 2022-08-08 | 2022-09-20 | 河南中医药大学第一附属医院 | Contrast agent delivery puncture device for breast ductography and method of use thereof |
| CN117179844A (en) * | 2023-11-08 | 2023-12-08 | 成都百瑞恒通医疗科技有限公司 | Device for blocking and treating vascular lesions and malignant tumors |
| CN117179844B (en) * | 2023-11-08 | 2024-01-26 | 成都纽创医疗器械有限公司 | Device for blocking and treating vascular lesions and malignant tumors |
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