CN206214554U - Foley's tube with the asymmetric sacculus in two ends - Google Patents
Foley's tube with the asymmetric sacculus in two ends Download PDFInfo
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- CN206214554U CN206214554U CN201620828413.3U CN201620828413U CN206214554U CN 206214554 U CN206214554 U CN 206214554U CN 201620828413 U CN201620828413 U CN 201620828413U CN 206214554 U CN206214554 U CN 206214554U
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- sacculus
- tube
- slope section
- distal end
- foley
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Abstract
The utility model belongs to medical instruments field, specifically a kind of foley's tube with the asymmetric sacculus in two ends, including sacculus, outer tube, inner tube and joint, and wherein sacculus is sheathed in inner tube；The slope section at the sacculus two ends is radially inside contracted from inside to outside after expansion of pressurizeing for unsymmetric structure, the i.e. slope section at sacculus two ends are after expansion of pressurizeing, the gradient of the gradient less than near-end slope section of distal end slope section.The sacculus two ends slope section of foley's tube is designed to unsymmetric structure by the utility model, and the sacculus is mainly used in blood vessel distal end and the larger blood vessel of proximal diameter difference, and distal vessels are expanded with slope section, it is to avoid blood vessel distal end is damaged.
Description
Technical field
The utility model belongs to medical instruments field, and specifically a kind of sacculus with the asymmetric sacculus in two ends is led
Pipe.
Background technology
Percutaneous coronary intervention (pci) (Percutaneous Coronary Intervention, PCI), refers to careful
Microcatheter technology dredges narrow or even inaccessible coronary artery tube chamber, so as to improve the treatment method of the blood perfusion of cardiac muscle.This is controlled
Treatment method has the advantages that short treating period, wound are small, evident in efficacy, quickly grows in recent years.According to the difference for implementing technology, PCI
Percutaneous coronary blood vessel Transluminal Angioplasty (PTCA), coronary artery stent implantation, Rotational atherectomy, cutting can be divided into
Balloon Angioplasty, coronary thrombosis aspiration etc..
During operation, sacculus pressurization expansion becomes drum, supports narrow vascular wall, reaches expansion of blood vessels, improves
The effect of myocardial blood flow, also for next step stenter to implant is got ready.
No matter common sacculus is used for expansion of blood vessels or for being implanted into during support, when blood vessel difference between both ends value is larger, if
Expanded by the small distal vessels size of diameter, do not reach the purpose of abundant expansion, if being expanded by the near-end being relatively large in diameter, held
Easily the less vascular wall of distal diameter is burst, risk is caused to operation, serious meeting influences the life of patient.
Utility model content
In order to avoid existing sacculus bursts vascular wall when expansion is pressurizeed, the purpose of this utility model is to provide a kind of band
There is the foley's tube of the asymmetric sacculus in two ends.The slope section expansion distal vessels of the balloon distal of the foley's tube, in column
Between section expansion proximal vessel, meet blood vessel physiology and appearance, do not easily caused during expansion distal vessels damage.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes sacculus, outer tube, inner tube and joint, and wherein sacculus is sheathed on the distal end of inner tube；The sacculus
The slope section at two ends is by introversion after being expanded in pressurization for unsymmetric structure, the i.e. slope section at sacculus two ends after expansion of pressurizeing
Radially inside contract outward, the gradient of the gradient less than near-end slope section of distal end slope section.
Wherein：The distal end of the sacculus is connected with the distal end of inner tube, and the near-end of sacculus is connected with the outer tube；
The distal end of the sacculus is connected with the connecting tube installed in inner tube distal end, and the near-end of sacculus is connected with the outer tube；
The slope section axial cross section of the sacculus is radially outwardly to contract, the axial direction of the slope section from balloon interior
Arc or multi-section-line that section is straightway, the arc of convex, concaves；
The axial cross section of the balloon distal slope section is divided into two sections, and one section of gradient positioned at inner side is another less than outside is located at
One section of the gradient；
The sacculus includes interlude and the slope section being connected with the interlude two ends respectively, and the slope section at two ends is equal
It is provided with the connecting portion for connecting；Said inner tube is provided with multiple developing rings vertically on the position Chong Die with sacculus, positioned at farthest
The distal end of developing ring is held to indicate the intersection of the interlude and the soft slope section in distal end or indicate that the distal end gradient is small
Slope section；
The sacculus is directly connected to face into the slope section at two ends is equipped with the company for connecting by the slope section at two ends
Socket part；Said inner tube is provided with multiple developing rings vertically on the position Chong Die with sacculus, is marked positioned at the distal end of distalmost end developing ring
Will the soft slope section in distal end；
The outer tube or joint are provided with seal wire opening.
Advantage of the present utility model is with good effect：
1. the sacculus two ends slope section of foley's tube is designed to unsymmetric structure by the utility model, with the gradient it is larger one
End expansion of blood vessels near-end, the distal end of narrow blood vessel is expanded with the less one end of the gradient, it is to avoid distal vessels are damaged, and security is good,
And sacculus can be saved；In addition, when support needs are implanted to the big blood vessel of proximally and distally difference in diameter, support can be loaded in
Distal end is located at the part on slope, and expansion after-poppet diameter distal end is less than near-end, meets physiological change, it is to avoid distal vessels excessively expand
Injured blood vessel wall is opened, and then forms the serious consequences such as vascular dissection.
2. sacculus of the present utility model is mainly used in blood vessel distal end and the larger blood vessel of proximal diameter difference, and distal vessels are used
Slope section is expanded, it is to avoid blood vessel distal end is damaged, also for next step stenter to implant is ready.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model embodiment one quickly exchanges (RX) type foley's tube；
Fig. 2 is structural representation of the utility model embodiment two by seal wire (OTW) type foley's tube；
Fig. 3 is a kind of structural representation of the sacculus of shape of the utility model；
Fig. 4 is the structural representation of the sacculus of second shape of the utility model；
Fig. 5 is the structural representation of the sacculus of the utility model the third shape；
Fig. 6 is the 4th kind of structural representation of the sacculus of shape of the utility model；
Fig. 7 is the 5th kind of structural representation of the sacculus of shape of the utility model；
Wherein：1 is sacculus, and 101 is interlude, and 102 is slope section, and 103 is connecting portion, and 2 is outer tube, and 3 is inner tube, and 4 are
Head end, 5 is joint, and 6 is guide wire exit openings, and 7 is developing ring, and 8 is fluid-through chamber, and 9 is strain relief pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment one
As shown in figure 1, foley's tube of the present utility model exchanges (RX) type foley's tube, including sacculus 1, inner tube for quick
3rd, outer tube 2, head end 4 and joint 5, wherein inner tube 3 are arranged in outer tube 2, and the internal run-through of inner tube 3 is passed through for seal wire, and sacculus 1 is arranged
In the distal end of inner tube 3.The slope section 102 at the two ends of sacculus 1 is unsymmetric structure, the i.e. slope at the two ends of sacculus 1 after expansion of pressurizeing
Section 102 is after expansion of pressurizeing and radially inside contracts from inside to outside, the gradient of the gradient less than near-end slope section of distal end slope section.
Because the gradient of distal end slope section diminishes, the length of inner tube 3 can correspondingly extend.
The axial cross section of slope section 102 of sacculus 1 be from inside sacculus 1 radially outwardly to contract, the slope section 102
The arc (as shown in Figure 6) or many that axial cross section can be straightway (as shown in Figure 3), the arc (as shown in Figure 5) of convex, concave
Section line.The axial cross section of the distal end slope section of sacculus 1 is divided into two sections, positioned at one section of (for being connected with interlude 101 of inner side
Section) gradient less than positioned at outside another section of gradient.The slope section 102 at the two ends of sacculus 1 of the present embodiment, axial cross section is directly
Line segment.
As shown in Fig. 3, Fig. 5, Fig. 6 and Fig. 7, sacculus 1 is connected including interlude 101 and respectively with the two ends of interlude 101
Slope section 102, interlude 101 is balloon body, is in the form of a column, and the slope section 102 at two ends is equipped with the connecting portion for connecting
103.Or, as shown in figure 4, sacculus 1 is directly connected to face into the slope section 102 at two ends is equipped with use by the slope section 102 at two ends
In the connecting portion 103 of connection.1 point of the sacculus of the present embodiment is middle cylindrical interlude 101 and is connected to the interlude 101
The slope section 102 at two ends.
The distal end of sacculus 1 is connected by connecting portion 103 with the distal end of inner tube 3, or the distal end of sacculus 1 passes through connecting portion 103
It is connected with the connecting tube installed in the distal end of inner tube 3, one end of the connecting tube is connected with the distal end of inner tube 3, the other end and the phase of head end 4
Even, connecting tube can be flexible pipe, flexible steel in flat section tubing etc.；The distal end of the sacculus 1 of the present embodiment is remote with inner tube 3 by connecting portion 103
End is connected.Sacculus 1 is connected proximally by connecting portion 103 with outer tube 2, and the distal end of inner tube 3 is connected with head end 4.
It is fluid-through chamber 8 in sacculus 1, inner tube 3 is provided with multiple developing rings 7 vertically on the position Chong Die with sacculus 1, by phase
The instrument answered can show the position of developing ring 7, so as to help operating personnel to understand the position of sacculus 1.When sacculus 1 is by interlude
101 and two ends slope section 102 constitute when, the interlude 101 of the cylindricality of sacculus 1 can be indicated positioned at the distal end of distalmost end developing ring 7
With the intersection of the soft slope section 102 in distal end, or the soft slope section 102 in distal end is indicated, also dependent on needing mark
Will other positions of sacculus 1.When sacculus 1 only has two ends slope section to be constituted, the distal end positioned at distalmost end developing ring 7 then indicates
The soft slope section 102 in distal end.
Guide wire exit openings 6 are provided with outer tube 2.The near-end of outer tube 2 is connected with joint 5, between the near-end of outer tube 2 and joint 5
Strain relief pipe 9 is provided with, on joint 5, strain relief pipe 9 is used to avoid stress concentration the button of strain relief pipe 9, to improve ball
The service life of ductus bursae.
Sacculus 1 can be loading medicinal balloon or non-load medicinal balloon.The sacculus 1 of the present embodiment is blow molded using pressurized, heated
Shaping, is 0.3~1.5mm, the nylon pipe that external diameter is 0.6~2.0mm, length is 400~600mm by internal diameter, is in pressure
300~600PSI, blow under conditions of 160~220 degrees Celsius, obtain a diameter of 2.0~5.0mm, a length of 5.0~30.0mm
Cylinder is the main body of sacculus 1, and the slope section 102 at the two ends of sacculus 1 is respectively arranged with connecting portion 103, and the external diameter of connecting portion 103 is
0.60~1.02mm, length is 1.0~5.0mm.Fluid-through chamber 8 is formed between sacculus 1 and inner tube 3, fluid-through chamber 8 is being passed through developer solution
Sacculus can swell afterwards, so as to expansible blood vessel or strut support.
Outer tube 2 using nylon, polyethylene, polypropylene or block polyamide material, in 200~280 degrees Celsius of extrusion temperature,
A length of 250~1600mm, external diameter are extruded under conditions of 15~40 degrees Celsius of chilling temperature for 0.76~0.86mm, thickness are 0.04
The tubing of~0.14mm is to obtain outer tube 2.
Inner tube 3 is made at identical conditions using nylon, polyethylene, polypropylene or block polyamide material with outer tube 2
, length is 250~1600mm, and external diameter is 0.50~0.61mm.
Embodiment two
As shown in Fig. 2 the present embodiment is with the difference of embodiment one：The present embodiment is by seal wire (OTW) type
Foley's tube, guidewire interface 6 is arranged on joint 5.Other are identical with embodiment one.
Operation principle of the present utility model is：
In operation is intervened, foley's tube is by the way that after narrow lesion, pressurization expansion stenotic lesion reaches expansion of blood vessels and changes
The purpose of kind myocardial blood supply, while also for next step stenter to implant is got ready.Main application sacculus stylolitic part expansion at present
Blood vessel, when blood vessel difference between both ends value is big, easy damaged distal vessels.The current oblique ramp portion of balloon distal is big because of the gradient, indulges
It is short to footpath, do not have the effect of expansion of blood vessels.The utility model is asymmetric by balloon distal slope, the gradient of distal end slope section
It is small, can be used to expand distal vessels, the interlude diameter of column is big, for expanding proximal vessel, meets blood vessel physilogical characteristics, keeps away
Exempt from injured blood vessel.Sacculus of the present utility model can also be used for the stenter to implant of such blood vessel, after support pressure is held on sacculus, support
Distal end is located at distal end slope section, and mount proximal end is located at the interlude of column, and expansion after-poppet diameter distal end is less than near-end, it is to avoid remote
End injury of blood vessel.
Foley's tube of the present utility model is in addition to for percutaneous coronary blood vessel, it may also be used for head, neck and surrounding
The intervention operation of blood vessel.
Claims (10)
1. a kind of foley's tube with the asymmetric sacculus in two ends, including sacculus, outer tube, inner tube and joint, wherein sacculus are arranged
In the distal end of inner tube；It is characterized in that：The slope section (102) at sacculus (1) two ends is unsymmetric structure after expansion of pressurizeing,
I.e. the slope section (102) at sacculus (1) two ends is after expansion of pressurizeing and radially inside contracts from inside to outside, the gradient of distal end slope section
Less than the gradient of near-end slope section.
2. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1, it is characterised in that：The sacculus (1) it is remote
End is connected with the distal end of inner tube (3), and the near-end of sacculus (1) is connected with the outer tube (2).
3. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1, it is characterised in that：The sacculus (1) it is remote
Hold and be connected with the connecting tube installed in inner tube (3) distal end, the near-end of sacculus (1) is connected with the outer tube (2).
4. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1,2 or 3, it is characterised in that：The sacculus (1)
Slope section (102) axial cross section be internal radially outwardly to contract from sacculus (1), the axial direction of the slope section (102) is cut
Arc or multi-section-line that face is straightway, the arc of convex, concaves.
5. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1,2 or 3, it is characterised in that：The sacculus (1)
The axial cross section of distal end slope section (102) is divided into two sections, and one section of gradient positioned at inner side is less than the gradient positioned at another section of outside.
6. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1,2 or 3, it is characterised in that：The sacculus (1)
The slope section (102) being connected with interlude (101) two ends including interlude (101) and respectively, the slope section at two ends
(102) it is equipped with the connecting portion (103) for connecting.
7. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 6, it is characterised in that：Said inner tube (3) and ball
Multiple developing rings (7) are provided with vertically on the position that capsule (1) is overlapped, and the centre is indicated positioned at the distal end of distalmost end developing ring
The intersection of section (101) and the soft slope section in distal end (102) indicates the soft slope section in distal end (102).
8. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1,2 or 3, it is characterised in that：The sacculus (1)
Face is directly connected into the slope section (102) at two ends is equipped with the connecting portion for connecting by the slope section (102) at two ends
(103)。
9. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 8, it is characterised in that：Said inner tube (3) and ball
Multiple developing rings (7) are provided with vertically on the position that capsule (1) is overlapped, and the distal end gradient is indicated positioned at the distal end of distalmost end developing ring
Small slope section (102).
10. the foley's tube of the asymmetric sacculus in two ends is carried as described in claim 1,2 or 3, it is characterised in that：The outer tube
Or joint (5) is provided with seal wire opening (6) (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828413.3U CN206214554U (en) | 2016-07-29 | 2016-07-29 | Foley's tube with the asymmetric sacculus in two ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828413.3U CN206214554U (en) | 2016-07-29 | 2016-07-29 | Foley's tube with the asymmetric sacculus in two ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206214554U true CN206214554U (en) | 2017-06-06 |
Family
ID=58779907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620828413.3U Active CN206214554U (en) | 2016-07-29 | 2016-07-29 | Foley's tube with the asymmetric sacculus in two ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206214554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019164A1 (en) * | 2016-07-29 | 2018-02-01 | 孙英贤 | Balloon catheter with balloon with two asymmetrical ends |
-
2016
- 2016-07-29 CN CN201620828413.3U patent/CN206214554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019164A1 (en) * | 2016-07-29 | 2018-02-01 | 孙英贤 | Balloon catheter with balloon with two asymmetrical ends |
| CN107661564A (en) * | 2016-07-29 | 2018-02-06 | 孙英贤 | A kind of foley's tube with the asymmetric sacculus in both ends |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230902 Address after: 110000 No. 155 North Nanjing street, Heping District, Liaoning, Shenyang Patentee after: THE FIRST HOSPITAL OF CHINA MEDICIAL University Address before: 5-4-2, No. 8 Longquan Road, Heping District, Shenyang City, Liaoning Province, 110004 Patentee before: Sun Yingxian |