CN205964676U - Adopt sacculus pipe of curved form head end - Google Patents
Adopt sacculus pipe of curved form head end Download PDFInfo
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- CN205964676U CN205964676U CN201620486283.XU CN201620486283U CN205964676U CN 205964676 U CN205964676 U CN 205964676U CN 201620486283 U CN201620486283 U CN 201620486283U CN 205964676 U CN205964676 U CN 205964676U
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- head end
- tube
- curved shape
- inner tube
- sacculus
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Abstract
The utility model belongs to the technical field of the medical instrument technique and specifically relates to an adopt sacculus pipe of curved form head end, including inner tube, outer tube, sacculus and curved form head end, the inner tube sets up in the outer tube, and the seal wire passes in by the inner tube, and the distal end of inner tube is located to the sacculus cover, just the one end of sacculus with the outer tube links to each other, the other end with the inner tube links to each other, the distal end of inner tube stretch out behind the sacculus with curved form head end links to each other, curved form head end is whole to be rigid structure, perhaps is the flexible construction who contains flexonics portion. The utility model discloses can can not receive support mesh or bracket beam's influence in time along hematal crooked shape diversion, fall low -risk's emergence.
Description
Technical field
This utility model is related to technical field of medical instruments, specifically a kind of foley's tube using curved shape head end.
Background technology
Percutaneous coronary intervention (pci) (Percutaneous Coronary Intervention, PCI), refers to careful
The narrow or even inaccessible coronary artery tube chamber of microcatheter technology dredging, thus improve the Therapeutic Method of the blood perfusion of cardiac muscle.This is controlled
Treatment method has the advantages that short treating period, wound are little, evident in efficacy, quickly grows in recent years.According to the difference 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..
As shown in Fig. 1～2, the head end of the foley's tube of current Clinical practice is to be sleeved on inner pipe end direct with sacculus
Short and small coniform, this transmission being designed with beneficial to foley's tube thrust offseting, is conducive to foley's tube to pass through narrow
The Chronic coronary artery occlusion position that diseased region or seal wire have just been opened, but the blood that tortuous blood vessel, luminal stenosis are not weighed
For the blood vessel of expansion after managing and having implanted support and needed, when foley's tube head end passes through, it is difficult in time along blood vessel
Curved shape break-in, head end may prop up blood vessel or support, cause to damage.Because coronary artery mostly is bending, because
This for a person skilled in the art, how to design a kind of foley's tube so as to by bend diseased region or to
Frame carry out during rear dilation procedure can in time along blood vessel bending break-in so as to vascular bending or rack beams are not subject to by property
Impact, is smoothed out the generation of simultaneously reduce risk, is problem in the urgent need to address in order to rear process of expansion.
Utility model content
The purpose of this utility model is to provide a kind of foley's tube using curved shape head end, can be in time along blood vessel
Curved shape break-in, will not be affected by support mesh or rack beams, the generation of reduce risk.
The purpose of this utility model is achieved through the following technical solutions：
A kind of using curved shape head end foley's tube, including inner tube, outer tube, sacculus and curved shape head end, inner tube is arranged at
In outer tube, seal wire is passed through by inner tube, and sacculus is sheathed on the far-end of inner tube, and one end of described sacculus is connected with described outer tube,
The other end is connected with said inner tube, and the far-end of said inner tube is connected with described curved shape head end after stretching out sacculus.
Described curved shape head end includes the flexible joint of tapering that front end is in rigidity and rear end, and described flexible joint
Original shape is in bending, complies with blood vessel curve-shaped bend further after described flexible joint intravasation.
Described flexible joint is in smooth bowing.
Described flexible joint is in horn shape bending.
Described curved shape head end is in integrally rigidity.
Described curved shape head end is in smooth bowing.
Described curved shape head end is in pott's curvature.
Advantage of the present utility model and good effect are：
1st, this utility model adopts curved shape head end, can make head end in time along blood vessel bending break-in so as to pass through performance
Will not be affected by vascular bending or rack beams.
2nd, this utility model adopt curved shape head end, described curved shape head end can be integral type rigid structure or
Including the flexible structure of flexible joint, substantially ensure that conduit will not be hindered by rack beams, can smoothly slip over rack beams.
Brief description
Fig. 1 is foley's tube distal structure schematic diagram of the prior art,
Fig. 2 is enlarged drawing at the A in Fig. 1,
Fig. 3 is the structural representation of an embodiment of the present utility model,
Fig. 4 is enlarged drawing at B in Fig. 3,
Fig. 5 is enlarged drawing at C in Fig. 3,
Fig. 6 is enlarged drawing at D in Fig. 3,
Fig. 7 is enlarged drawing at E in Fig. 3,
Fig. 8 is the distal structure schematic diagram of another embodiment of the present utility model,
Fig. 9 is by schematic diagram during seal wire (OTW) type foley's tube for this utility model.
Wherein, 1 is inner tube, and 11 is curved shape head end, and 12 is guide wire exit openings, and 13 is developing ring, and 2 is outer tube, and 3 is sacculus, 31
For fluid-through chamber, 32 is connecting tube, and 4 is flexible joint, and 5 is joint, and 6 is conduit, and 7 is strain relief pipe, and 8 is tapering.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Fig. 1～2, the head end of the foley's tube of current Clinical practice is to be sleeved on inner pipe end direct with sacculus
Offset is short and small coniform.
As shown in figure 3 to figure 7, this utility model includes inner tube 1, outer tube 2, sacculus 3, joint 5, conduit 6, strain relief pipe 7
With curved shape head end 11, wherein inner tube 1 is arranged in outer tube 2, and inner tube 1 internal run-through passes through for seal wire, such as Fig. 3, Fig. 5 and Fig. 7
Shown, sacculus 3 is sheathed on the far-end (described far-end i.e. one end away from operator, namely free end) of inner tube 1, and described ball
One end of capsule 3 is connected with described outer tube 2, and the other end is connected with said inner tube 1, is fluid-through chamber 31 in described sacculus 3, such as Fig. 3～4
Shown, it is provided with multiple developing rings 13 outside one section of inner tube 1 being arranged in described sacculus 3, can be shown by corresponding instrument
The position of developing ring 13, thus helping operator to understand the position of sacculus, as shown in fig. 6, the near-end in outer tube 2 is (described near
End is i.e. near one end of operator) in be provided with conduit 6, and described conduit 6 is arranged at outside inner tube 1, as shown in figure 3, described
The near-end of outer tube 2 is connected with joint 5, is provided with strain relief pipe 7 on described joint 5, and described strain relief pipe 7 spiral-lock is in institute
State the far-end of joint 5, described strain relief pipe 7 is used for avoiding stress concentration, to improve the service life of foley's tube.
Described sacculus 3 adopt pressurized, heated blow molding, by internal diameter be 0.3～1.5mm, external diameter be 0.6～2.0mm, length
Spend the nylon pipe for 400～600mm, be 300～600PSI, blow under conditions of 160～220 degrees Celsius in pressure, obtain
A diameter of 2.0～5.0mm, the cylinder of a length of 5.0～30.0mm are sacculus 3 main body, as shown in figure 5 and figure 7, in described sacculus
3 two ends are respectively arranged with connecting tube 32, and the external diameter of described connecting tube 32 is 0.60～1.02mm, and length is 1.0～5.0mm, ball
Capsule 3 is set with said inner tube 1 and outer tube 2 by the connecting tube 32 at two ends, thus realizing being connected with inner tube 1 and outer tube 2,
Form fluid-through chamber 31, described fluid-through chamber 31 can swell after being passed through developer solution between sacculus 3 and inner tube 1, thus by support
Strut.
Described outer tube 2 adopts nylon, polyethylene, polypropylene or block polyamide material, takes the photograph in extrusion temperature 200～280
Family name's degree, extrudes a length of 250～1600mm, external diameter is 0.76～0.86mm, thickness under conditions of 15～40 degrees Celsius of chilling temperature
Tubing for 0.04～0.14mm obtains described outer tube 2.
Said inner tube 1 adopts nylon, polyethylene, polypropylene or block polyamide material, with outer tube 2 at identical conditions
It is obtained, length is 250～1600mm, external diameter is 0.50～0.61mm.
As shown in Fig. 7～8, the far-end of said inner tube 1 is connected with curved shape head end 11, when foley's tube enters after stretching out sacculus 3
When entering curved blood vessel, described curved shape head end 11 can preferably be complied with blood vessel bending and move, to avoid head end 11 to withstand rack beams,
Ensure that conduit passes through.
Described curved shape head end 11 is overall to can be set to rigid structure, or described curved shape head end 11 is arranged to comprise flexible company
The flexible structure of socket part 4.
Embodiment 1
As shown in fig. 7, the curved shape head end 11 in the present embodiment is flexible structure, it is in just that described curved shape head end 11 includes front end
Property tapering 8 and rear end flexible joint 4, described flexible joint 4 one end is sleeved in inner tube 1, and the other end passes through seam
Cooperation is connected with the tapering 8 of described head end 11, and the original shape of described flexible joint 4 is in bending, when foley's tube enters
During curved blood vessel, described flexible joint 4 can comply with blood vessel curve-shaped bend under external force further, thus ensureing that conduit leads to
Cross.
Described flexible joint 4 using nylon, polyethylene, polypropylene, block polyamide or polyurethane material and can pass through
Extrusion way molding, in 200～280 degrees Celsius of extrusion temperature, extruding pipe material under conditions of 15～40 degrees Celsius of chilling temperature, long
0～20mm, external diameter is 0.50～2mm, and thickness is 0.07～0.82mm.
Described flexible joint 4 can be in smooth bowing it is also possible to be in horn shape bending.
Embodiment 2
As shown in figure 8, the present embodiment is with the difference of embodiment 1：Curved shape head end 11 in the present embodiment is overall
All in rigidity, there is not flexible joint 4.
Embodiment 3
As shown in figure 9, the present embodiment is with the difference of embodiment 1：The present embodiment is by seal wire (OTW) type ball
Ductus bursae, guidewire interface 12 is arranged on joint 5.
Claims (7)
1. a kind of foley's tube using curved shape head end it is characterised in that：Including inner tube (1), outer tube (2), sacculus (3) and curved shape
Head end (11), inner tube (1) is arranged in outer tube (2), and seal wire is passed through by inner tube (1), and sacculus (3) is sheathed on the remote of inner tube (1)
Hold, and one end of described sacculus (3) is connected with described outer tube (2), the other end is connected with said inner tube (1), said inner tube (1)
Far-end is stretched out sacculus (3) and is connected with described curved shape head end (11) afterwards.
2. the foley's tube using curved shape head end according to claim 1 it is characterised in that：Described curved shape head end (11) bag
Include the flexible joint (4) of the tapering (8) that front end is in rigidity and rear end, and the original shape of described flexible joint (4) is in curved
Curved, comply with blood vessel curve-shaped bend further after described flexible joint (4) intravasation.
3. the foley's tube using curved shape head end according to claim 2 it is characterised in that：Described flexible joint (4)
In smooth bowing.
4. the foley's tube using curved shape head end according to claim 2 it is characterised in that：Described flexible joint (4)
In horn shape bending.
5. the foley's tube using curved shape head end according to claim 1 it is characterised in that：Described curved shape head end (11) is whole
Body is in rigidity.
6. the foley's tube using curved shape head end according to claim 5 it is characterised in that：Described curved shape head end (11) is in
Smooth bowing.
7. the foley's tube using curved shape head end according to claim 5 it is characterised in that：Described curved shape head end (11) is in
Pott's curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486283.XU CN205964676U (en) | 2016-05-25 | 2016-05-25 | Adopt sacculus pipe of curved form head end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486283.XU CN205964676U (en) | 2016-05-25 | 2016-05-25 | Adopt sacculus pipe of curved form head end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205964676U true CN205964676U (en) | 2017-02-22 |
Family
ID=58019849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486283.XU Active CN205964676U (en) | 2016-05-25 | 2016-05-25 | Adopt sacculus pipe of curved form head end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205964676U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202042A1 (en) * | 2016-05-25 | 2017-11-30 | 孙英贤 | Balloon catheter provided with flexible connecting part between tip and balloon |
| CN114748767A (en) * | 2022-03-25 | 2022-07-15 | 玮铭医疗器械(上海)有限公司 | Electromagnetic bending adjusting balloon catheter |
| CN117462830A (en) * | 2023-12-27 | 2024-01-30 | 杭州德晋医疗科技有限公司 | Valve balloon dilation catheter and valve replacement system |
-
2016
- 2016-05-25 CN CN201620486283.XU patent/CN205964676U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202042A1 (en) * | 2016-05-25 | 2017-11-30 | 孙英贤 | Balloon catheter provided with flexible connecting part between tip and balloon |
| CN114748767A (en) * | 2022-03-25 | 2022-07-15 | 玮铭医疗器械(上海)有限公司 | Electromagnetic bending adjusting balloon catheter |
| CN117462830A (en) * | 2023-12-27 | 2024-01-30 | 杭州德晋医疗科技有限公司 | Valve balloon dilation catheter and valve replacement system |
| CN117462830B (en) * | 2023-12-27 | 2024-03-15 | 杭州德晋医疗科技有限公司 | Valve balloon dilation catheter and valve replacement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230731 Address after: 110000 No. 155 North Nanjing street, Heping District, Liaoning, Shenyang Patentee after: THE FIRST HOSPITAL OF CHINA MEDICIAL University Address before: 110000 5-4-2, No.8, Longquan Road, Heping District, Shenyang City, Liaoning Province Patentee before: Sun Yingxian |
|
| TR01 | Transfer of patent right |