CN110193132A - A kind of foley's tube - Google Patents
A kind of foley's tube Download PDFInfo
- Publication number
- CN110193132A CN110193132A CN201910415311.7A CN201910415311A CN110193132A CN 110193132 A CN110193132 A CN 110193132A CN 201910415311 A CN201910415311 A CN 201910415311A CN 110193132 A CN110193132 A CN 110193132A
- Authority
- CN
- China
- Prior art keywords
- tube
- foley
- seal wire
- diameter
- wire
- 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.)
- Granted
Links
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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- 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
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/0915—Guide wires having features for changing the stiffness
-
- 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
- A61M25/1002—Balloon catheters characterised by balloon shape
- A61M2025/1004—Balloons with folds, e.g. folded or multifolded
Abstract
The invention discloses a kind of foley's tubes, comprising: a hypotube with expansion chamber；One inner tube with expansion chamber, an outer tube with outer diameter, wherein inner tube is located in outer tube and coaxial arranges on longitudinal axis, and hypotube distal end is located between proximal outer tube and inner tube proximal end；One only with the sacculus in tapering, and wherein the proximal end of sacculus is connected with the distal end of outer tube, and the distal end of inner tube is located in sacculus and is connected with the distal end of sacculus；And the distal end of hypotube is fixed in several seal wires between inner tube and outer tube, the proximal end of every seal wire.Foley's tube of the present invention while guaranteeing the amount of deflection of distal guide wire, can make foley's tube smoothly pass through smaller lesion, improve the passing through property of above-mentioned foley's tube while guaranteeing the pushability and bending resistance of said distal ends seal wire.
Description
Technical field
The present invention relates to field of medical device more particularly to a kind of foley's tubes.
Background technique
In foley's tube, seal wire is mainly used for increasing pushability and bending resistance in foley's tube, both
The overall target of performance can be indicated with amount of deflection.
The push power of seal wire refers to ability of the seal wire outside patient's manipulator under push rod effect by lesion.In material of the same race
In the case where the seal wire of material, pushability depends on the bending stiffness of seal wire.The bending stiffness of seal wire and the diameter of seal wire are related, lead
Silk is thicker, and pushability is better.But the diameter of seal wire is bigger, foley's tube outer tube diameter is bigger, so the outer diameter of outer tube is also got over
Greatly.The outer diameter of outer tube is bigger, influences the passing through property of entirety of foley's tube.Also, need to apply to seal wire drive in the wrong direction technology when, outside
The outer diameter of pipe is larger, the small blood vessel selection of the septal branch equal diameter that easy limitation foley's tube passes through, the implementation to operation method
It impacts.
Summary of the invention
The present invention is to solve the above problem in the prior art, proposes the higher foley's tube of passing through property of one kind.
To achieve the above object, the invention adopts the following technical scheme:
The present invention provides a kind of foley's tube, comprising:
One hypotube with expansion chamber；
One inner tube with expansion chamber, an outer tube with outer diameter and inner diameter, wherein said inner tube is located in the outer tube
And coaxial arranges on longitudinal axis, a part of the hypotube distal end is located at the proximal outer tube and said inner tube proximal end
Between；
One only with the sacculus in tapering, wherein the proximal end of the sacculus is connected with a part of the distal end of the outer tube,
A part of the distal end of said inner tube is located in the sacculus and is connected with the distal end of the sacculus；And
The hypo is fixed in several seal wires between said inner tube and the outer tube, the proximal end of the every seal wire
The distal end of pipe.
In a wherein embodiment, the seal wire is three.
In a wherein embodiment, the cross section of seal wire described at least one is square.
In a wherein embodiment, the cross section of the more seal wires is round and/or rectangle.
In a wherein embodiment, the more seal wires are distributed in one between the lateral wall of inner tube and outer tube inner sidewall
Side.
In a wherein embodiment, the more seal wires be evenly distributed on inner tube lateral wall and outer tube inner sidewall it
Between.
In a wherein embodiment, at least two seal wires have unequal length.
In a wherein embodiment, the diameter of the seal wire is gradually reduced by proximal end to distal end along its longitudinal axis.
In a wherein embodiment, the seal wire includes guidewire proximal, seal wire changeover portion and wire distal, and described is led
The diameter of silk proximal end, seal wire changeover portion and wire distal is successively gradually reduced.
In a wherein embodiment, the guidewire proximal diameter and the wire distal diameter are constant, and the seal wire
Proximal diameter is greater than the wire distal diameter, the diameter of the seal wire changeover portion along the seal wire longitudinal axis by proximal end to
Distal end is gradually reduced.
In a wherein embodiment, the seal wire is hollow structure.
In a wherein embodiment, the elasticity modulus of the wire distal is 150GPa-200GPa, the seal wire transition
The elasticity modulus of section is 200GPa-230GPa, and the elasticity modulus of the guidewire proximal is 230GPa-300GPa.
In a wherein embodiment, said inner tube is equipped with Marking ring.
In a wherein embodiment, grooving is offered on the Marking ring, and closed at both ends.
In a wherein embodiment, the grooving is in linear type, herringbone or helical structure.
In a wherein embodiment, the distal end of said inner tube is equipped with stretch section and non-stretched section, and described non-stretched section sets
In the distal end of the stretch section, the diameter of the stretch section is less than non-stretched section of the diameter, and the Marking ring is sheathed on institute
It states on stretch section.
In a wherein embodiment, said inner tube is respectively welded locating part at the both ends of the Marking ring.
In a wherein embodiment, the locating part is polymer pipe or glue block.
In a wherein embodiment, the polymer pipe is welded on inner pipe by hot-air welding machine.
In a wherein embodiment, the distal end of the outer tube is provided with pleated portions.
In a wherein embodiment, the outer diameter and inner diameter of the outer tube along the longitudinal axis by proximate by
It is decrescence small.
In a wherein embodiment, the tapering angle of the balloon distal is 5-15 °.
In a wherein embodiment, the tapering angle of the balloon distal is 10 °.
The present invention by adopting the above technical scheme, compared with prior art, has the following technical effect that
In foley's tube of the invention, since seal wire is more, every seal wire can transmit the push from hypotube
Therefore power can reduce the diameter of every seal wire, to reduce the distance between inner tube and outer tube, that is, reduce the outer diameter of outer tube；
Also, more seal wire totality bending stiffnesses also accordingly enhance, and meet outer tube to the bending stiffness needs of seal wire；To sum up, of the invention
Foley's tube while guaranteeing the amount of deflection of seal wire, can make while guaranteeing the pushability and bending resistance of above-mentioned seal wire
Foley's tube smoothly passes through smaller lesion, improves the passing through property of above-mentioned foley's tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the foley's tube of present embodiment；
Fig. 2 is the structural schematic diagram of the seal wire and hypotube according to the first embodiment of foley's tube shown in FIG. 1；
Fig. 3 is the guide wire schematic diagram according to the first embodiment of foley's tube shown in Fig. 2；
Fig. 4 is the cross-sectional view according to the first embodiment of foley's tube shown in Fig. 2；
Fig. 5 is the guide wire schematic diagram according to another embodiment of foley's tube shown in Fig. 3；
Fig. 6 is the cross-sectional view according to the second embodiment of foley's tube shown in FIG. 1；
Fig. 7 is the cross-sectional view according to another embodiment of foley's tube shown in fig. 6；
Fig. 8 is the structural schematic diagram according to the third embodiment of seal wire shown in FIG. 1；
Fig. 9 is the cross-sectional view according to foley's tube shown in Fig. 8；
Figure 10 is the cross-sectional view according to another embodiment of foley's tube shown in Fig. 9；
Figure 11 is the cross-sectional view according to another embodiment of foley's tube shown in Fig. 9；
Figure 12 is the structural schematic diagram according to the outer tube of foley's tube shown in FIG. 1；
Figure 13 is the structural schematic diagram of another embodiment of outer tube of the foley's tube according to shown in Figure 12；
Figure 14 is according to the outer tube of foley's tube shown in FIG. 1 and the structural schematic diagram of inner tube；
Figure 15 is the structural schematic diagram according to the distal end of foley's tube shown in FIG. 1；
Figure 16 is the partial enlarged view of the part A according to Figure 15；
Figure 17 is according to the inner tube of foley's tube shown in figure 15 and the structural schematic diagram of Marking ring；
Figure 18 is the structural schematic diagram of the inner tube according to Figure 17 and another embodiment of Marking ring；
Figure 19 is the structural schematic diagram of an embodiment of the sacculus according to Fig. 1.
The reference numerals are as follows: 10, foley's tube；11, needle stand；12, the hot wind draw；121, small hot wind contracting；122, big
Hot wind contracting；13, hypotube；131, metal tube；132, protective layer；133, Marking ring；14,24,34,44, inner tube；19,29,39,
Marking ring；191,291,391, grooving；141, stretch section；142, non-stretched section；143, stage portion；244,344, locating part；15,
25,35,45, outer tube；151,251, pleated portions；152,252, rectilinear tubes；16,26,36, seal wire；161, it 261,361, first leads
Silk；162, the 262,362, second seal wire；363, third seal wire；1611, guidewire proximal；1612, seal wire changeover portion；1613, seal wire
Distally；16131, helical cutting；17, catheter tip；171, pad；18,28, sacculus；181,281, tapering；182, cone angle.
Specific embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Referring to Fig. 1, the present invention provides a kind of foley's tube 10.Usually foley's tube is close to one end of operator
Proximal end, then one end far from operator is distal end.Foley's tube includes the needle stand 11 being arranged successively by proximate, heat
The wind draw 12 and hypotube 13.Needle stand 11 and the hot wind draw 12 are tightly connected, and the hot wind draw 12 and hypotube 13 are tightly connected.
Needle stand 11 is used to be tightly connected with external pressurizing device.Needle stand 11 can guarantee foley's tube and external pressurizing device
It keeps being tightly connected in case of high pressures.Specifically, needle stand 11 is female cone female Luer.
The hot wind draw 12 includes the small hot wind contracting 121 and big hot wind contracting 122 for sealing against each other connection.Big 122 sealing of hot wind contracting
Needle stand 11 is connected, small hot wind contracting 121 is tightly connected hypotube 13.Specifically, 121 materials of small hot wind contracting are polymer, Ke Yizeng
Add needle stand 11 and leakproofness of the hypotube 13 after glue sticking.
Referring to Fig. 1, the hypotube 13 with proximal end, distal end and expansion chamber includes metal tube 131.Outside metal tube 131
Diameter is smaller, and has excellent pushability and flexibility, can guarantee that the balloon body on foley's tube can smoothly reach disease
At change.The surface of metal tube 131 is equipped with protective layer 132.Protective layer 132 is polytetrafluorethylecoatings coatings.Polytetrafluorethylecoatings coatings
Coefficient of friction is extremely low, and has the characteristics that antiacid alkali resistant, resists various organic solvents, reduces the resistance of foley's tube in the blood vessel
Power and the stability that ensure that product.Marking ring 133 is exited in addition, being additionally provided in hypotube 13, Marking ring 133 is exited and is arranged
In on metal tube 131.The distal end that above-mentioned foley's tube can be further to define by exiting Marking ring 133 is in the position in blood vessel
It sets.
Referring to Fig. 1, foley's tube 10 further include: an inner tube 14 with expansion chamber, an outer tube 15 with outer diameter,
Described in inner tube 14 be located in the outer tube 15 and coaxial arranges on longitudinal axis, a part of 13 distal end of hypotube
Between 14 proximal end of the outer tube 15 and said inner tube.And it please refers to shown in Figure 14, the outer diameter and inner diameter edge of the outer tube 15
The longitudinal axis be gradually reduced by proximate.
Referring to Fig. 1, foley's tube 10 further include: one only with the sacculus 18 in tapering 181, wherein the sacculus 18 is close
End is connected with a part of the distal end of the outer tube 15, and a part of the distal end of said inner tube 14 is located in the sacculus 18 simultaneously
It is connected with the distal end of the sacculus 18；And several seal wires 16 between said inner tube 14 and the outer tube 15, every
The distal end of the hypotube 13 is fixed in the proximal end of the seal wire 16, connect with hypotube 13, and the other end of more seal wires 16 is worn
It is inserted between the lateral wall of inner tube 14 and the inner sidewall of outer tube 15.
Referring to Fig. 2, seal wire 16 primarily serves conduction push power and bending resistance, both performances in foley's tube
Overall target can be indicated with the amount of deflection of seal wire 16.In the case where the length of seal wire 16 and material determine, amount of deflection with lead
The quantity of silk 16 is related with the moment of inertia.When amount of deflection determines a certain value, 16 quantity of seal wire is more, and the diameter of seal wire 16 is smaller.And
The moment of inertia is related with the shape in section, if the sectional area of seal wire 16 is rectangle, can increase non-radial length, to reduce diameter
To length.
Seal wire 16 is set as more, and every seal wire 16 can transmit the push power from hypotube 13, then more seal wires
16 can also transmit the push power of hypotube 13.Also, more seal wires 16 are set, the overall bending stiffness of more seal wires 16 also phase is made
It should enhance, meet outer tube 15 to the needs of the bending stiffness of seal wire 16.Then the seal wire 16 of present embodiment is led relative to traditional
The outer diameter of silk reduces.Therefore, when the other end of the small seal wire 16 of more outer diameters is interspersed in the lateral wall and outer tube 15 of inner tube 14
When between inner sidewall, then the radial distance between the lateral wall and the inner sidewall of outer tube 15 of required inner tube 14 can be corresponding
Reduce, the internal diameter of outer tube 15 can also accordingly reduce, so as to reduce the outer diameter of outer tube 15.
Specifically in the present embodiment, Fig. 2, Fig. 3 and Fig. 4 are please referred to, seal wire 16 includes the proximal end 1611 of seal wire, seal wire
The distal end 1613 of changeover portion 1612 and seal wire.And the distal end 1613 of the proximal end 1611 of seal wire, the changeover portion 1612 of seal wire and seal wire
Diameter be successively gradually reduced.
In one embodiment, the quantity of seal wire 16 is at least two.When amount of deflection determines a certain fixed value, bending stiffness
It also is therewith a certain fixed value, 16 quantity of seal wire is more, and the diameter of seal wire 16 is smaller.So the foley's tube of present embodiment
The diameter of seal wire 16 is smaller than the diameter of the single wire of traditional foley's tube.So 15 outer diameter of outer tube of present embodiment
Also corresponding smaller.
The diameter of seal wire 16 is variation, and specifically the diameter of seal wire 16 is gradually contracted by proximal end to distal end along its longitudinal axis
It is small.The seal wire 16 includes guidewire proximal 1611, seal wire changeover portion 1612 and wire distal 1613, and guidewire proximal 1611, is led
The diameter of silk changeover portion 1612 and wire distal 1613 is successively gradually reduced.The diameter of guidewire proximal 1611 is definite value, and seal wire is remote
The diameter at end 1613 is definite value.But guidewire proximal 1611 is the diameter that diameter is greater than wire distal 1613.Seal wire changeover portion 1612
Diameter be gradually reduced along the longitudinal axis of seal wire 16 from guidewire proximal 1611 to wire distal 1613.As shown in figure 3, seal wire 16
Diameter from wire distal 1613, seal wire changeover portion 1612 to guidewire proximal 1611 is variation.Due to wire distal 1613
Diameter is smaller, then the internal diameter of this region outer tube 15 can further become smaller, so that the outer diameter of this region outer tube 15 also can reduce.
So outer diameter of the outer tube 15 of foley's tube 10 in 1613 region of wire distal can reduce.
In one embodiment, the guidewire proximal 1611 of seal wire 16, seal wire changeover portion 1612 and wire distal 1613 be by
The material of three kinds of dual extension-compression modulus is made.
Specifically, very soft close to balloon regions needs due to outer tube 15, so wire distal 1613 selects inclined soft material.
The elasticity modulus of wire distal 1613 is 150GPa-200Gpa.Such as: elasticity modulus is 304 stainless steels of 196GPa.And proximal end
Seal wire 1611 is due to push power to be transmitted, so guidewire proximal 1611 needs to select inclined hard material.The elasticity of guidewire proximal 1611
Modulus is 230GPa-300GPa.Such as: elasticity modulus is the cochrome of 240GPa.Seal wire changeover portion 1612 can choose bullet
Material of the property modulus among 1611 material of wire distal 1613 and guidewire proximal.The elasticity modulus of seal wire changeover portion 1612 is
200GPa-230GPa is for example: elasticity modulus is the nickel-chromium steel of 206GPa.Inclined hard material is selected by guidewire proximal 1611, so
The diameter of guidewire proximal 1611 can reduce, and the outer diameter of the outer tube 15 in 1611 region of guidewire proximal can reduce.Since seal wire is close
1611 diameters are held to reduce, the diameter of seal wire changeover portion 1612 also can accordingly reduce.So the outer tube in 1612 region of seal wire changeover portion
15 diameters also can reduce.In addition before due to 16 diameter change of seal wire, and 1613 region outer tube of wire distal, 15 diameter becomes smaller,
The diameter of the outer tube 15 in entire 16 region of seal wire all reduces.Also, seal wire 16 from guidewire proximal 1611, seal wire changeover portion 1612 to
The diameter and elasticity modulus of wire distal 1613 be it is gradually smaller, so as to make foley's tube 10 proximally arrive distal end by cirrhosis
Soft good transition.
It please refers to shown in Fig. 4, seal wire 16 is hollow structure.The diameter of the interstitial hole of seal wire 16 is not more than half seal wire
16 diameter.It, can be in the internal diameter ratio of outer tube 15 due to considering the venting duration of sacculus during foley's tube 10 designs
The sum of diameter of the outer diameter of pipe 14 and seal wire is 0.002-0.010 inches big.In present embodiment, seal wire 16 is hollow structure, is led
Silk 16 is equipped with interstitial hole, please refers to Fig. 4.The ratio biquadratic of the moment of inertia of seal wire 16 and intermediate bore dia and 16 diameter of seal wire has
It closes, so the diameter of the interstitial hole of seal wire 16 is not more than the diameter of half seal wire 16, guarantees interstitial hole scratching to seal wire 16
Degree influences smaller.And interstitial hole can be such that contrast agent passes through in 10 pressure release of foley's tube, thus when reducing the pressure release of sacculus
Between.So the internal diameter of outer tube 15 can be equal to the outer diameter of inner tube 14 and the sum of the diameter of seal wire 16, or it is merely greater than
0.001-0.005 inches, the internal diameter of outer tube 15 is reduced, to reduce the outer diameter of outer tube 15.
Therefore, one is incorporated in by quantity, diameter change, the different materials composition and four kinds of modes of hollow structure of seal wire 15
It rises, finally the outer diameter of outer tube can be dropped to ideal value.
Alternatively, please referring to shown in Fig. 5, the wire distal 1613 of seal wire 16 is equipped with helical cutting 16131.In wire distal
1613 are equipped with the flexibility that can increase seal wire 16 of helical cutting 16131, then increase foley's tube 10 and pass through bending blood
The ability of pipe.
The quantity of seal wire 166 be 2, seal wire 16 include the first seal wire 161 and the second seal wire 162, the first seal wire 2161 and
The cross section of second seal wire 162 is circle.It please refers to shown in Fig. 6, the quantity of seal wire 26 is 2, and seal wire 26 is led including first
The cross section of silk 261 and the second seal wire 262, the first seal wire 261 and the second seal wire 262 is rectangle.And please refer to Fig. 7 institute
Show, the quantity of seal wire 26 is 2, and seal wire 26 includes the first seal wire 261 and the second seal wire 262, and the cross section of the first seal wire 261 is
Round and the second seal wire 262 cross section is rectangle.It please refers to shown in Fig. 6 and Fig. 7, seal wire 26 is evenly distributed on the outer of inner tube 24
Between side wall and the inner sidewall of outer tube 25.In another embodiment, the quantity of seal wire 26 is two, but the diameter of seal wire 26 is protected
It holds constant.
In one embodiment, it please refers to shown in Fig. 6, the cross-sectional shape of the first seal wire 261 and the second seal wire 262 is
Rectangle.Cross section is the seal wire 26 of rectangle, can be preferably using between the lateral wall of inner tube 24 and the inner sidewall of outer tube 25
Gap, the outer diameter of reduction outer tube 25 as big as possible.The outer diameter for reducing outer tube 25, so that institute when foley's tube shuttles in the blood vessel
The resistance of chance greatly reduces, so that it is more preferable so that foley's tube is passed through performance.The sectional area of outer tube 25 reduces, and can make foley's tube
The small blood vessel of diameter is passed through, so that the adaptation illness of above-mentioned foley's tube increases, expands the application range of above-mentioned foley's tube.And
And need to apply to seal wire drive in the wrong direction technology when, the outer diameter of outer tube 25 is smaller, then the interval branch vessel that foley's tube can pass through
Selection it is more, operation method is more.
Seal wire 26 is uniformly distributed between the lateral wall for being distributed in inner tube 24 and the inner sidewall of outer tube 25, can sacculus be led
20 distal end of pipe is all consistent in radial bending resistance, avoids the occurrence of really up to the mark in circumferencial direction side, and the other side is excessively soft, causes
When crossing curved blood vessel, excessively soft side is easy to give a discount.
Alternatively, in one embodiment, please referring to shown in Fig. 7, the cross section of the first seal wire 261 and the second seal wire 262 is
Round and rectangle mixed type.Cross section is that the push power of circular seal wire 26 in all directions is all consistent with bending resistance, side
Just doctors operate.And the lower production costs of the seal wire 26 of circular cross section.Therefore, more seal wires 26 include circular transversal
The foley's tube in face and rectangular cross section, with 26 cross section of seal wire be the foley's tube of rectangle and 26 cross section of seal wire is round
Foley's tube dual characteristics.
Fig. 8 to Figure 11 is please referred to, in another embodiment, the quantity of seal wire 36 is three, the length of three seal wires 36
It is inconsistent.Seal wire 36 includes the first seal wire 361, the second seal wire 362 and third seal wire 363.Wherein, the length of the first seal wire 361
Greater than the length of the second seal wire 362, the length of the second seal wire 362 is greater than the length of third seal wire 363.Three kinds of different lengths are led
Silk 36, due to the difference of quantity, can make the proximal end of seal wire 36 harder, and distal end is softer, there is 10 distal end of foley's tube more preferably
Ground is by firmly to soft transition.
As shown in figure 9, the quantity of seal wire 16 is three, respectively the first seal wire 361, the second seal wire 362 and third seal wire
363, and the cross-sectional shape of the first seal wire 361, the second seal wire 362 and third seal wire 363 is rectangle.Also, the first seal wire
361 is centrally located, and the second seal wire 362 and third seal wire 363 are respectively arranged on the two sides of the first seal wire 361.The number of seal wire 36
Amount is more, and the diameter of seal wire 36 is smaller, and the outer diameter of outer tube 35 is smaller, so as to increase the passing through property of foley's tube.Cross section
It, can be preferably using the gap between the lateral wall of inner tube 34 and the inner sidewall of outer tube 35, as far as possible for the seal wire 36 of rectangle
The outer diameter of big reduction outer tube 35.
Alternatively, as shown in Figure 10, the cross section of the first seal wire 361, the second seal wire 362 and third seal wire 363 is circle.
Cross section is that the push power of circular seal wire 36 in all directions is all consistent with bending resistance, and doctors is facilitated to operate.And circle
The lower production costs of the seal wire 36 of shape cross section.
Alternatively, as shown in figure 11, the first seal wire 361, the second seal wire 362 and third seal wire 363 the shape of cross section be
Round and rectangle mixed type.Wherein, the shape of the cross section of the first seal wire 361 is circle, the second seal wire 362 and third seal wire
The shape of 363 cross section is rectangle.Second seal wire 362 and third seal wire 363 are respectively arranged on the two sides of the first seal wire 361.The
Two seal wires 362 and third seal wire 363 are respectively relative to the first seal wire 361 and are symmetrical arranged, and guarantee that push power can balance transmitting, protect
Demonstrate,prove the accuracy of doctor's operation.Therefore, more seal wires 36 include the foley's tube of circular cross section and rectangular cross section, are had
36 cross section of seal wire be rectangle foley's tube and 36 cross section of seal wire be circular foley's tube dual characteristics.
In addition, above embodiment is to the quantity of seal wire and without limitation, therefore the quantity of seal wire can also be four, five
Root etc..
Figure 12 is please referred to, the distal end of outer tube 15 is equipped with pleated portions 151.Pleated portions 151 are the pipe with fold.Relatively,
The proximal end of outer tube 15 is rectilinear tubes 152.Pleated portions 151 have preferably bending and retractility relative to straight tube.Pleated portions 151 can
To improve the passing through property of 15 distal end of outer tube, foley's tube is enabled to traverse to the lesion of curved blood vessel.Also, rectilinear tubes
152 can guarantee the pushability of outer tube 15.
Figure 13 is please referred to, in other embodiments, pleated portions 251 can also be bellows.Bellows has preferable
Bending, and outer tube 25 is rectilinear tubes 252 far from sacculus one end, guarantees the axial stiffness of outer tube 25, to guarantee foley's tube
Pushability.The surface of outer tube 25 is equipped with hydrophilic coating.Hydrophilic coating can aid in outer tube 25 and move in the blood vessels, in raising
State the passing through property of foley's tube.
Figure 15 is please referred to, Marking ring 19 is attached in inner tube 14.Inner tube 14 is polymer material, is soft material, bending
Rigidity is small.Marking ring 19 is for platinumiridio material, is hard material, bending stiffness is big.
In a preferred embodiment, Marking ring 19 offers grooving 191, and Marking ring 19 is closed at both ends.It is described
Grooving 191 is in linear type, herringbone or helical structure.Grooving 191 can be such that the rigidity of Marking ring 19 reduces, and be easily bent.It is anti-
Only due to the gap of the bending stiffness between inner tube 14 and Marking ring 19, inner tube 14 is made to give a discount at the both ends of Marking ring 19.As
The one aspect of present embodiment, grooving 191 are herringbone structure, and the size of the bending stiffness of Marking ring 19 can be according to herringbone
The spacing of shape grooving adjusts.As the one aspect of present embodiment, as shown in figure 15, grooving 191 is linear type structure, mark
Remember that the size of the bending stiffness of ring 19 can change according to the spacing between linear type grooving 191, the distance of spacing is bigger, curved
Stiffness is bigger；The distance of spacing is smaller, and bending stiffness is smaller.
Please refer to Figure 16, inner tube 14 is equipped with stretch section 141 and non-stretched section 142.It is set to for non-stretched section 142 and stretches
The side of section 141, the diameter of stretch section 141 are less than non-stretched section 142 of diameter, shape between stretch section 141 and non-stretched section 142
At stage portion 143.Marking ring 19 is sheathed on stretch section 141, Marking ring 19 proximally by stretch section 141 and non-stretched section
Stage portion limit is formed between 142.
Figure 15 is please referred to, specifically in the present embodiment, foley's tube 10 further includes catheter tip 17 and balloon body 18.
Catheter tip 17 is used to be welded to connect with the distal end of inner tube 14.Inner tube 14 is interspersed in balloon body 18, balloon body 18 it is close
End is connect with the distal end of outer tube 15.Catheter tip 17 and the pad 171 of 14 stretch section 141 of inner tube carry out the remote of limit markers ring 19
End.
Inner tube 14 is stretched using drawing pipe machine first, makes stretch section 141.Since just stretched next inner tube 14 stretches
3-7 centimetres of 141 front of section does not meet the requirement of product generally, needs to cut away.Internal diameter of the outer diameter of stretch section than Marking ring 19
It is 0.0001-0.0005 inches small.The stretch section 141 that inner tube 14 is cut according to the overall length of balloon body 18 makes 14 stretch section 141 of inner tube
Length differed with the overall length of balloon body 18 be no more than ± 1mm.By 19 sets of Marking ring on 14 stretch section 141 of inner tube, make
With laser-beam welding machine, inner tube 14 and catheter tip 17 are welded.Finally, being detected using mechanical stretch machine, test badge ring 19
Required power is stripped down from inner tube 14, if the power is greater than specified value, then illustrates that this Marking ring 19 attachment technique can expire
Foot production.
In other embodiments, Figure 17 is please referred to, balloon body 28 has tapering 181.Inner tube 24 is in Marking ring 29
Locating part 244 is respectively welded at both ends.Specifically, locating part 244 is polymer pipe.Grooving 291 on the Marking ring 29
In herringbone structure.The size of the bending stiffness of Marking ring 29 can change according to the spacing between chevron notch 291,
Away from distance it is bigger, bending stiffness is bigger；The distance of spacing is smaller, and bending stiffness is smaller.
Polymer pipe is welded in inner tube 24 by hot-air welding machine.Firstly, a polymer pipe 244 is sheathed on inner tube 24
Proximal end, polymer pipe is welded on the proximal end of inner tube 24 with hot-air welding machine；Then, by 29 sets of Marking ring in inner tube 24,
The distal end of Marking ring 29 is arranged another polymer pipe 244, and the polymer pipe welded with hot wind welding machine again.29 both ends of Marking ring
Pad outer diameter be greater than the internal diameter of Marking ring 29.Two polymer pipes limit Marking ring from the both ends of Marking ring 29 respectively
29.Using mechanical stretch machine, power that test badge ring 29 is stripped down from inner tube 24.If the power stripped down is greater than regulation
Value, then illustrate that this 29 attachment technique of Marking ring can satisfy production.
In other embodiments, Figure 18 is please referred to, locating part 344 is glue block.Marking ring 39 is equipped with and not exclusively cuts
Slot 391.The material at 39 both ends of Marking ring is glue, for the attachment technique that limitation material is polymer pipe, this implementation
The attachment simple process of the locating part 344 of mode is many, it is only necessary to which the both ends toward Marking ring 39 are directly with dispenser point glue
The attachment technique of achievable Marking ring 39.
As shown in figure 19, in a preferred embodiment, balloon body 18 has tapering 181.Balloon distal tapering 181
Cone angle 182 be 5 degree -15 spend.Preferably, cone angle 182 is 10 degree.It then can mistake well between balloon body 18 and outer tube 15
It crosses, to guarantee the passing through property of foley's tube 10.Therefore, above-mentioned foley's tube 10 passing through property with higher, can be applied to
The big blood vessel of the lesion and diameter of the small blood vessel scleratheroma of diameter entirely shuts the lesion of atherosis.
In foley's tube, the cone angle 182 in the tapering 181 of sacculus 18 is smaller, the catheter tip 17 and cone of foley's tube 10
171 outer diameter of pad in portion 181 will be smaller.When foley's tube 10 shuttles in the blood vessels, the weldering of catheter tip 17 and tapering 181
171 outer diameter of contact is smaller, and resistance suffered by foley's tube 10 will be smaller.Therefore, above-mentioned 181 angle of tapering can be in order to reduce
Resistance when foley's tube 10 shuttles in the blood vessels.Therefore, when foley's tube 10 meet the atherosclerotic lesion to entirely shut or
When person's atherosclerotic lesion almost to be occluded, the pad 171 of outer diameter small catheter tip 17 and tapering 181, it will insertion
Lesion is deeper.Foley's tube 10 can be by repeating pressurising, advance and taking out to press several steps that can slowly pass through lesion.
In addition, balloon distal tapering 181 is blow molded from an expects pipe, the bigger position wall thickness of diameter is smaller,
So the wall thickness of 181 distal end of tapering is greater than the wall thickness of proximal end.The outer diameter of balloon distal tapering 181 maximum diameter and outer tube 15
It is close.And the cone angle 182 in the tapering 181 of foley's tube is 5 degree of -15 degree, 181 He of tapering relative to traditional foley's tube
Cone angle 182 greatly reduces, then the thickness in the tapering 181 of above-mentioned foley's tube 10 increases.Due to foley's tube 10 tapering 181 because
To need to be inserted into lesion, so the tapering 181 of foley's tube 10 is needed with certain hardness.Above-mentioned foley's tube 10 passes through
The wall thickness for increasing distal end tapering 181, can make tapering 181 have certain degree of hardness, and insertion lesion is deeper.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (17)
1. a kind of foley's tube characterized by comprising
One hypotube with expansion chamber；
One inner tube with expansion chamber, an outer tube with outer diameter and inner diameter, wherein said inner tube be located at the outer tube it is interior and
Coaxial arranges on longitudinal axis, and the hypotube distal end is located between the proximal outer tube and said inner tube proximal end；
One only with the sacculus in tapering, wherein the proximal end of the sacculus is connected with the distal end of the outer tube, said inner tube it is remote
End is located in the sacculus and is connected with the distal end of the sacculus；And
The hypotube is fixed in several seal wires between said inner tube and the outer tube, the proximal end of the every seal wire
Distally.
2. foley's tube according to claim 1, which is characterized in that the seal wire is three.
3. foley's tube according to claim 2, which is characterized in that the cross section of seal wire described at least one is rectangle.
4. foley's tube according to claim 1, which is characterized in that at least two seal wires have unequal length
Degree.
5. foley's tube according to claim 1, which is characterized in that the diameter of the seal wire is along its longitudinal axis by proximal end
To being distally gradually reduced.
6. foley's tube according to claim 5, which is characterized in that the seal wire includes guidewire proximal, seal wire changeover portion
And wire distal, and the diameter of the guidewire proximal, seal wire changeover portion and wire distal is successively gradually reduced.
7. foley's tube according to claim 6, which is characterized in that the guidewire proximal diameter and the wire distal are straight
Diameter is constant, and the guidewire proximal diameter is greater than the wire distal diameter, and the diameter of the seal wire changeover portion is along the seal wire
Longitudinal axis by proximal end to distal end be gradually reduced.
8. foley's tube according to claim 7, which is characterized in that the seal wire is hollow structure.
9. foley's tube according to claim 8, which is characterized in that the elasticity modulus of the wire distal is 150GPa-
The elasticity modulus of 200GPa, the seal wire changeover portion are 200GPa-230GPa, and the elasticity modulus of the guidewire proximal is
230GPa-300GPa。
10. foley's tube according to claim 1, which is characterized in that said inner tube is equipped with Marking ring.
11. foley's tube according to claim 10, which is characterized in that offer grooving, and both ends on the Marking ring
Closing.
12. foley's tube according to claim 11, which is characterized in that the grooving is in linear type, herringbone or spiral
Shape structure.
13. foley's tube according to claim 10, which is characterized in that the distal end of said inner tube is equipped with stretch section and does not draw
Section is stretched, the diameter of the described non-stretched section distal end set on the stretch section, the stretch section is less than non-stretched section of the diameter,
The Marking ring is sheathed on the stretch section.
14. foley's tube according to claim 13, which is characterized in that said inner tube is punished in the both ends of the Marking ring
It Han Jie not finite place piece.
15. foley's tube according to claim 13, which is characterized in that the distal end of the outer tube is provided with pleated portions.
16. foley's tube according to claim 13, which is characterized in that the outer diameter and internal diameter of the outer tube are by proximal end to far
End is gradually reduced.
17. foley's tube according to claim 1, which is characterized in that the tapering angle of the balloon distal is 5-15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415311.7A CN110193132B (en) | 2019-05-17 | 2019-05-17 | Balloon catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415311.7A CN110193132B (en) | 2019-05-17 | 2019-05-17 | Balloon catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110193132A true CN110193132A (en) | 2019-09-03 |
| CN110193132B CN110193132B (en) | 2021-11-23 |
Family
ID=67751548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910415311.7A Active CN110193132B (en) | 2019-05-17 | 2019-05-17 | Balloon catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110193132B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135430A (en) * | 2019-11-29 | 2020-05-12 | 东莞市先健医疗有限公司 | Balloon catheter |
| CN114246650A (en) * | 2021-12-14 | 2022-03-29 | 太平洋康泰科学仪器（济南）有限公司 | Transplantation tube for artificial insemination |
| CN114796809A (en) * | 2022-03-30 | 2022-07-29 | 深圳市顺美医疗股份有限公司 | Balloon guide catheter |
| CN116983534A (en) * | 2023-09-27 | 2023-11-03 | 山东百多安医疗器械股份有限公司 | High-pressure-resistant auxiliary device of silicone rubber catheter |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551262Y (en) * | 2002-07-03 | 2003-05-21 | 业聚医疗器械(深圳)有限公司 | Cutting-type saccule dilation catheter far-end tube |
| US20090177119A1 (en) * | 2008-01-03 | 2009-07-09 | Boston Scientific Scimed, Inc. | Articulating intracorporeal medical device |
| CN201596232U (en) * | 2009-12-28 | 2010-10-06 | 业聚医疗器械(深圳)有限公司 | Saccule conduit |
| US20110160680A1 (en) * | 2009-12-29 | 2011-06-30 | Cook Incorporated | Wire guide with cannula |
| CN102727987A (en) * | 2011-04-15 | 2012-10-17 | 麦克鲁斯内血管有限责任公司 | Noncircular inner lumen guiding catheter with assisted variable support |
| CN103055411A (en) * | 2013-01-25 | 2013-04-24 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
| CN203090196U (en) * | 2013-01-25 | 2013-07-31 | 业聚医疗器械(深圳)有限公司 | Balloon catheter |
| CN203494045U (en) * | 2013-09-09 | 2014-03-26 | 杨杰书 | Cone passibility blood vessel dilatation balloon |
| CN105079944A (en) * | 2014-05-13 | 2015-11-25 | 朝日英达科株式会社 | Catheter and balloon catheter |
| CN106456942A (en) * | 2014-04-29 | 2017-02-22 | C·R·巴德股份有限公司 | Kink-resistant guidewire with improved rigidity |
| CN106794330A (en) * | 2014-09-26 | 2017-05-31 | 泰尔茂株式会社 | Seal wire |
| CN206325106U (en) * | 2016-10-20 | 2017-07-14 | 深圳市业聚实业有限公司 | Medicinal balloon catheter |
| CN106983946A (en) * | 2016-04-26 | 2017-07-28 | 业聚医疗器械(深圳)有限公司 | Foley's tube |
| CN107376101A (en) * | 2017-02-24 | 2017-11-24 | 苏州恒瑞迪生医疗科技有限公司 | Microtubular for Transcaheter cloure (TACE) |
| US20180229009A1 (en) * | 2003-01-17 | 2018-08-16 | W. L. Gore & Associates, Inc. | Catheter assembly |
| CN108514677A (en) * | 2018-04-28 | 2018-09-11 | 业聚医疗器械(深圳)有限公司 | A kind of microtubular |
| US20180263771A1 (en) * | 2017-03-14 | 2018-09-20 | Boston Scientific Scimed, Inc. | Medical device shaft including a liner |
| CN109173003A (en) * | 2018-10-10 | 2019-01-11 | 江苏尼科医疗器械有限公司 | Intermediate conductor |
| CN208726525U (en) * | 2018-01-23 | 2019-04-12 | 中国医科大学附属盛京医院 | A kind of compliant balloon conduit for seal wire threading |
| CN208852229U (en) * | 2018-01-18 | 2019-05-14 | 深圳市信立泰生物医疗工程有限公司 | A kind of taper drug coated balloon catheter |
-
2019
- 2019-05-17 CN CN201910415311.7A patent/CN110193132B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551262Y (en) * | 2002-07-03 | 2003-05-21 | 业聚医疗器械(深圳)有限公司 | Cutting-type saccule dilation catheter far-end tube |
| US20180229009A1 (en) * | 2003-01-17 | 2018-08-16 | W. L. Gore & Associates, Inc. | Catheter assembly |
| US20090177119A1 (en) * | 2008-01-03 | 2009-07-09 | Boston Scientific Scimed, Inc. | Articulating intracorporeal medical device |
| CN201596232U (en) * | 2009-12-28 | 2010-10-06 | 业聚医疗器械(深圳)有限公司 | Saccule conduit |
| US20110160680A1 (en) * | 2009-12-29 | 2011-06-30 | Cook Incorporated | Wire guide with cannula |
| CN102727987A (en) * | 2011-04-15 | 2012-10-17 | 麦克鲁斯内血管有限责任公司 | Noncircular inner lumen guiding catheter with assisted variable support |
| CN103055411A (en) * | 2013-01-25 | 2013-04-24 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
| CN203090196U (en) * | 2013-01-25 | 2013-07-31 | 业聚医疗器械(深圳)有限公司 | Balloon catheter |
| CN203494045U (en) * | 2013-09-09 | 2014-03-26 | 杨杰书 | Cone passibility blood vessel dilatation balloon |
| CN106456942A (en) * | 2014-04-29 | 2017-02-22 | C·R·巴德股份有限公司 | Kink-resistant guidewire with improved rigidity |
| CN105079944A (en) * | 2014-05-13 | 2015-11-25 | 朝日英达科株式会社 | Catheter and balloon catheter |
| CN106794330A (en) * | 2014-09-26 | 2017-05-31 | 泰尔茂株式会社 | Seal wire |
| CN106983946A (en) * | 2016-04-26 | 2017-07-28 | 业聚医疗器械(深圳)有限公司 | Foley's tube |
| CN206325106U (en) * | 2016-10-20 | 2017-07-14 | 深圳市业聚实业有限公司 | Medicinal balloon catheter |
| CN107376101A (en) * | 2017-02-24 | 2017-11-24 | 苏州恒瑞迪生医疗科技有限公司 | Microtubular for Transcaheter cloure (TACE) |
| US20180263771A1 (en) * | 2017-03-14 | 2018-09-20 | Boston Scientific Scimed, Inc. | Medical device shaft including a liner |
| CN208852229U (en) * | 2018-01-18 | 2019-05-14 | 深圳市信立泰生物医疗工程有限公司 | A kind of taper drug coated balloon catheter |
| CN208726525U (en) * | 2018-01-23 | 2019-04-12 | 中国医科大学附属盛京医院 | A kind of compliant balloon conduit for seal wire threading |
| CN108514677A (en) * | 2018-04-28 | 2018-09-11 | 业聚医疗器械(深圳)有限公司 | A kind of microtubular |
| CN109173003A (en) * | 2018-10-10 | 2019-01-11 | 江苏尼科医疗器械有限公司 | Intermediate conductor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135430A (en) * | 2019-11-29 | 2020-05-12 | 东莞市先健医疗有限公司 | Balloon catheter |
| CN114246650A (en) * | 2021-12-14 | 2022-03-29 | 太平洋康泰科学仪器（济南）有限公司 | Transplantation tube for artificial insemination |
| CN114796809A (en) * | 2022-03-30 | 2022-07-29 | 深圳市顺美医疗股份有限公司 | Balloon guide catheter |
| CN116983534A (en) * | 2023-09-27 | 2023-11-03 | 山东百多安医疗器械股份有限公司 | High-pressure-resistant auxiliary device of silicone rubber catheter |
| CN116983534B (en) * | 2023-09-27 | 2023-12-08 | 山东百多安医疗器械股份有限公司 | High-pressure-resistant auxiliary device of silicone rubber catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110193132B (en) | 2021-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110193132A (en) | A kind of foley's tube | |
| JP5564058B2 (en) | Microcatheter | |
| US5484407A (en) | Catheter with steerable distal end | |
| US6186986B1 (en) | Micro-catheters and methods of their manufacture | |
| US8708932B2 (en) | Guide wire | |
| JP4940390B2 (en) | Medical device having knitted structure and coil | |
| US5505686A (en) | Endoscope with protruding member and method of utilizing the same | |
| US4945920A (en) | Torqueable and formable biopsy forceps | |
| US8608670B2 (en) | Guidewire | |
| CN102112175B (en) | Medical instrument | |
| US20090177040A1 (en) | Instrument shaft | |
| CN104812420A (en) | Guide extension catheter | |
| CN104740748B (en) | A kind of guiding catheter | |
| CN108261598A (en) | Measure seal wire | |
| US20150119861A1 (en) | Guide wire | |
| CN114869353A (en) | System for body passage navigation and visualization | |
| CA2618792C (en) | Medico-technical device for at least partially introducing into a body passage | |
| JP2006326226A (en) | Guiding catheter | |
| US20210127947A1 (en) | Multi-section bending tube having graduated rigidity, insertion tube for endoscope using the bending tube, and endoscope | |
| JP5732259B2 (en) | catheter | |
| CN110420375B (en) | Balloon catheter and manufacturing method thereof | |
| WO2018062155A1 (en) | Guide wire | |
| CN217567084U (en) | Micro-catheter capable of being inserted into brain and peripheral blood vessel | |
| JP2017064067A (en) | Thrombus suction catheter and stylet | |
| WO2021120917A1 (en) | Delivery sheath and medical device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |