CN209137718U - A kind of dabbling drug sacculus - Google Patents
A kind of dabbling drug sacculus Download PDFInfo
- Publication number
- CN209137718U CN209137718U CN201821238640.6U CN201821238640U CN209137718U CN 209137718 U CN209137718 U CN 209137718U CN 201821238640 U CN201821238640 U CN 201821238640U CN 209137718 U CN209137718 U CN 209137718U
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- sacculus
- layer sacculus
- outer layer
- drug
- internal layer
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Abstract
The utility model relates to a kind of dabbling drug sacculus, it includes outer layer sacculus and internal layer sacculus, it is cylindrical outer layer sacculus workspace in the middle part of the outer layer sacculus, when by drug pressure, the diameter at outer layer sacculus both ends is greater than the diameter of outer layer sacculus workspace, the outer layer sacculus offers several micropores on workspace, the internal layer sacculus is set to the outer layer balloon interior, the internal layer sacculus is equipped with several micropores, silk thread is wound with outside the internal layer sacculus, the internal layer sacculus is connected by conduit with drug.After outer layer sacculus enters drug, under pressure, outer layer sacculus both ends are heaved, blocking blood flow, drug blood vessel entered by micropore, it can be achieved that drug Continuous Perfusion.Internal layer sacculus is provided in outer layer sacculus, drug is injected into after outer layer sacculus from internal layer sacculus micropore to be overflowed from outer layer sacculus again, is avoided drug by the buffering of outer layer sacculus and is directly injected into blood vessel, reduces the loss of drug and the side effect to whole body.
Description
Technical field
The utility model relates to a kind of dabbling drug sacculus, particularly belong to technical field of medical equipment.
Background technique
The advantage of arterial Interventional Therapy is more and more obvious at present, but has a problem to restrict its tremendous development.Not only
Field still is intervened in peripheral blood vessel in Cardiac interventional field, the endometrial hyperplasia after arterial Interventional Therapy, restenosis causes to intervene
The duration of therapeutic effect is affected.Therefore, medicinal balloon, drug stent come into being, especially medicinal balloon, not only may be used
Keep the duration of curative effect, moreover it is possible to from being implanted into foreign matter.Its mechanism of action is i.e.: the drug of endometrial hyperplasia will be inhibited to pass through sacculus and expanded
It opens and is coated on endangium, make it from hyperplasia.
Film application in the blood vessels at present is without staying there are three types of the modes of foreign matter: 1. medicines apply sacculus or medicament elution sacculus, face
Bed research is most extensive, has had the molding commodity of listing, drug is fixed on sacculus by particular substrate, and then balloon expandable is real
Existing coated with drug.Be disadvantageous in that: the i.e. cured certain drug of factory cannot be changed, and drug loses more a, sacculus
It can be used for a position, distal embolization to take place frequently.2. pair balloon occlusion administration (there are product in foreign countries), two sacculus distinguish blocking lesion
Proximally and distally, the then injection between two sacculus.Shortcoming: drug can be lost by side shoot, and the pressure being administered
Power is limited, and drug cannot effectively absorb.3. (there are product in foreign countries) is punctured under inner membrance by eccentric sacculus and micropin, then by medicine
Object is injected under inner membrance.Shortcoming: the bad assurance of injection dynamics, and also drug pressure is uneven under inner membrance, it is possible to and it will be interior
Membrane pressure is fallen into, and is caused artificial narrow.Therefore being badly in need of one kind can guarantee curative effect duration, may act on multiple positions, can reduce drug
The dabbling drug sacculus of loss.
Utility model content
The technical problem to be solved by the utility model is to provide one kind can guarantee curative effect duration, may act on multiple portions
Position, the dabbling drug sacculus that drug wastage can be reduced.
To solve the above problems, technical solution adopted in the utility model is:
A kind of dabbling drug sacculus comprising outer layer sacculus and internal layer sacculus, the outer layer sacculus middle part is cylindrical
Outer layer sacculus workspace, when by drug pressure, the diameter at outer layer sacculus both ends is greater than the straight of outer layer sacculus workspace
Diameter, offers several micropores on outer layer sacculus workspace, and the internal layer sacculus is set to the outer layer balloon interior, it is described in
Layer sacculus is equipped with several micropores, and silk thread is wound with outside the internal layer sacculus, and the internal layer sacculus is connected by conduit with drug.
Outer layer sacculus both ends smoothly connect with outer layer sacculus workspace as a further improvement of the utility model,
It connects, is cone outside outer layer sacculus both ends.
It is as a further improvement of the utility model, corresponding with outer layer sacculus workspace in the middle part of the internal layer sacculus
Cylinder, internal layer sacculus both ends outside are cone.
The conduit includes inner tube and set on the outer of the inner tube both ends as a further improvement of the utility model,
Layer pipe, the outer tube are connected with internal layer balloon lumen, and the inner tube is passed through from the outer layer sacculus and internal layer sacculus, use
In penetrating seal wire.
The outer layer sacculus, internal layer sacculus and silk thread are all non-compliance material as a further improvement of the utility model,
Material is no longer expanded with pressure increase as pressure increase is expanded to after specified size.
The wire diameter is 0.1mm as a further improvement of the utility model, for preventing outer layer sacculus and internal layer
Sacculus is adherent to cause micropore to occlude.
The beneficial effects of adopting the technical scheme are that
A kind of dabbling drug sacculus provided by the utility model, after outer layer sacculus enters drug, under pressure,
Outer layer sacculus both ends are heaved, blocking blood flow, and drug enters blood vessel, it can be achieved that medicine by the micropore being arranged on outer layer sacculus workspace
The Continuous Perfusion of object；Be provided with internal layer sacculus in outer layer sacculus, drug from internal layer sacculus micropore be injected into after outer layer sacculus again from
Outer layer sacculus overflows, and avoids drug by the buffering of outer layer sacculus and is directly injected into blood vessel, reduces the loss of drug and right
The side effect of whole body；By winding silk thread outside internal layer sacculus, internal layer sacculus is avoided in expansion and outer layer sacculus is adherent, is prevented
Only micropore occludes.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model:
Fig. 2 is the schematic cross-sectional view of the utility model:
Fig. 3 is the structural schematic diagram of the utility model internal layer sacculus:
Fig. 4 is another structural schematic diagram of the utility model:
Wherein: 1 outer layer sacculus, 11 outer layer sacculus workspaces, 2 internal layer sacculus, 21 silk threads, 3 micropores, 4 conduits, 41 outer layers
Pipe, 42 inner tubes.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, in the following with reference to the drawings and specific embodiments
Clear, complete description is carried out to utility model.
A kind of dabbling drug sacculus as shown in Figs. 1-3 comprising outer layer sacculus 1 and internal layer sacculus 2, the outer layer sacculus
1 middle part is cylindrical outer layer sacculus workspace 11, and when by drug pressure, the diameter at 1 both ends of outer layer sacculus is greater than described
The diameter of outer layer sacculus workspace 11 offers several micropores 3, the diameter of the micropore 3 on outer layer sacculus workspace 11
It is 10-100 μm.1 both ends of outer layer sacculus are smoothly connected with outer layer sacculus workspace 11,1 both ends of outer layer sacculus
Outside is cone.In the present embodiment, the micropore 3 on outer layer sacculus workspace 11 surrounds 11 axis of outer layer sacculus workspace
It is uniformly arranged, and axis is provided with several layers.In working condition, by drug pressure, the 1 both ends diameter ratio of outer layer sacculus
The 11 big 0.4mm of diameter of outer layer sacculus workspace, after drug enters outer layer sacculus 1, under pressure, outer layer sacculus 1
Both ends are heaved, blocking blood flow, and drug enters blood vessel, it can be achieved that drug continues by the micropore 3 on outer layer sacculus workspace 11
Perfusion.
The internal layer sacculus 2 is set to inside the outer layer sacculus 1, and the internal layer sacculus 2 is equipped with several micropores 3, described
Silk thread 21 is wound with outside internal layer sacculus 2, the internal layer sacculus 2 is connected by conduit 4 with drug.It is in the middle part of the internal layer sacculus 2
Cylinder corresponding with outer layer sacculus workspace 11,2 both ends of the internal layer sacculus outside is cone.In the present embodiment, institute
Stating 21 diameter of silk thread is 0.1mm, is wound in 2 middle spiral of internal layer sacculus, micropore and 21 rotation direction of silk thread on the internal layer sacculus 2
Consistent Spiral distribution.When work, after drug enters internal layer sacculus 2 by conduit 4, it is injected by the micropore 3 of internal layer sacculus 2 outer
In layer sacculus 1, then spills into from the micropore 3 of outer layer sacculus 1 intravascular, by the buffer function of outer layer sacculus 1, avoid again
Drug directly spray in blood vessel, the loss and drug that reduce drug excessively overflow the side effect caused by whole body.By
Silk thread 21 is wound outside the internal layer sacculus 2, internal layer sacculus 2 is avoided in expansion and outer layer sacculus 1 is adherent, prevent micropore 3 from closing
Plug, ensure that the smooth spilling of drug.
The conduit 4 includes inner tube 42 and the outer tube 41 set on 42 both ends of inner tube, the outer tube 41 with
2 inner cavity of internal layer sacculus is connected, and the inner tube 42 is passed through from the outer layer sacculus 1 and internal layer sacculus 2, for penetrating seal wire.
In the present embodiment, 1 both ends of outer layer sacculus are connected in 4 outside of conduit, outer tube 41 and the 2 both ends phase of internal layer sacculus of conduit 4
Connection, inner tube 42 is passed straight through through the outer layer sacculus 1 and 2 both ends of internal layer sacculus, for penetrating seal wire wherein.It is described to lead
The both ends of pipe 4 are provided with developing mark ring, in the present embodiment, the developing mark ring setting at 1 both ends of outer layer sacculus and
On conduit 4 between 2 both ends of internal layer sacculus.
The outer layer sacculus 1, internal layer sacculus 2 and silk thread 21 are all non-compliance material, as pressure increase is expanded to finger
No longer increase with pressure after scale cun and expands.Drug is interfered after avoiding sacculus and vascular wall fitting using non-compliance material
It absorbs, strengthens the accuracy of positioning.
As another embodiment of the utility model, such as Fig. 4,1 both ends of outer layer sacculus are installed in 2 liang of internal layer sacculus
On end, conduit 4 is connected with 2 both ends of internal layer sacculus.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (6)
1. a kind of dabbling drug sacculus, which is characterized in that it includes outer layer sacculus (1) and internal layer sacculus (2), the outer layer sacculus
(1) middle part is cylindrical outer layer sacculus workspace (11), and when by drug pressure, the diameter at outer layer sacculus (1) both ends is big
Diameter in outer layer sacculus workspace (11) offers several micropores (3) on outer layer sacculus workspace (11), described
Internal layer sacculus (2) is set to outer layer sacculus (1) inside, and the internal layer sacculus (2) is equipped with several micropores (3), the internal layer
It is wound with silk thread (21) outside sacculus (2), the internal layer sacculus (2) is connected by conduit (4) with drug.
2. a kind of dabbling drug sacculus according to claim 1, which is characterized in that outer layer sacculus (1) both ends and institute
It states outer layer sacculus workspace (11) to be smoothly connected, is cone outside outer layer sacculus (1) both ends.
3. a kind of dabbling drug sacculus according to claim 1, which is characterized in that in the middle part of the internal layer sacculus (2) for
The corresponding cylinder in outer layer sacculus workspace (11), internal layer sacculus (2) the both ends outside is cone.
4. a kind of dabbling drug sacculus according to claim 1, which is characterized in that the conduit (4) includes inner tube
(42) it is connected with the outer tube (41) set on the inner tube (42) both ends, the outer tube (41) with internal layer sacculus (2) inner cavity
Logical, the inner tube (42) passes through from the outer layer sacculus (1) and internal layer sacculus (2), for penetrating seal wire.
5. a kind of dabbling drug sacculus according to claim 1, which is characterized in that the outer layer sacculus (1), internal layer sacculus
(2) and silk thread (21) is all non-compliance material, is no longer expanded with pressure increase as pressure increase is expanded to after specified size
?.
6. a kind of dabbling drug sacculus according to claim 1, which is characterized in that silk thread (21) diameter is 0.1mm,
For prevent outer layer sacculus (1) and internal layer sacculus (2) it is adherent cause micropore (3) occlude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238640.6U CN209137718U (en) | 2018-08-02 | 2018-08-02 | A kind of dabbling drug sacculus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238640.6U CN209137718U (en) | 2018-08-02 | 2018-08-02 | A kind of dabbling drug sacculus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209137718U true CN209137718U (en) | 2019-07-23 |
Family
ID=67264659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821238640.6U Expired - Fee Related CN209137718U (en) | 2018-08-02 | 2018-08-02 | A kind of dabbling drug sacculus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209137718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921024A (en) * | 2020-08-17 | 2020-11-13 | 西安交通大学医学院第一附属医院 | Abdominal cavity flushing drainage device |
-
2018
- 2018-08-02 CN CN201821238640.6U patent/CN209137718U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921024A (en) * | 2020-08-17 | 2020-11-13 | 西安交通大学医学院第一附属医院 | Abdominal cavity flushing drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20200802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |