CN105943198A - Combined stent used for TIPS operation - Google Patents
Combined stent used for TIPS operation Download PDFInfo
- Publication number
- CN105943198A CN105943198A CN201610350166.5A CN201610350166A CN105943198A CN 105943198 A CN105943198 A CN 105943198A CN 201610350166 A CN201610350166 A CN 201610350166A CN 105943198 A CN105943198 A CN 105943198A
- Authority
- CN
- China
- Prior art keywords
- support
- overlay film
- film section
- rate adjustment
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
- A61F2250/0007—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting length
Abstract
The invention discloses a combined stent used for a TIPS operation. The combined stent comprises a first stent (101) used for implanting into a liver vein (100) and a second sent (201) used for implanting into a portal vein. The first stent (101) and the second sent (201) are respectively used for implanting into exposed sent sections (301) of corresponding blood vessels and located at stent-covering sections (302) between the portal vein and the liver vein. A stent-covering section of the first stent and a stent-covering section of the second stent communicate with each other in the manner of regulating the positions in an axial direction. Due to the fact that stent-covering sections of two stents in the combined stent communicate with each other in the manner of regulating the positions in an axial direction, artificial channels can be ensured and length of the overall stent can be regulated so that the combined stent is suitable for different patients. According to different patients, stents of different lengths can be made so that patients can be timely rescued and treatment effect is ensured.
Description
Technical field
The present invention relates to TIPS operation medical instruments field, in particular it relates to a kind of TIPS operation is used
Sectional shelf-unit.
Background technology
TIPS perform the operation, also known as through jugular vein liver interior door cavities intravenous stent shunt (through jugular vein approach
Liver inner support portosystemic shunt), its be treatment portal hypertension, upper gastrointestinal hemorrhage interventional radiology new
Therapy.It utilizes surgery shunting principle, and by the use of a series of interventional instruments, in liver parenchyma, liver is quiet
Set up artificial split channel between arteries and veins and portal vein, thus reduce portal vein pressure, be reduced or eliminated due to door
The symptoms such as Esophageal varicosis rupture hemorrghage caused by arteries and veins high pressure, ascites.
Existing interventional instruments is based on support, and this support is generally of and is formed at two ends and has bare bracket section
And overlay film section is set between two bare bracket sections, two bare brackets are implanted to portal vein and hepatic vein respectively
In with by integral support grappling, and realize normal blood stream in two blood vessels by the gap of bare bracket
Logical, and the overlay film Duan Ze of centre is for setting up artificial split channel in liver parenchyma, thus realize operation
Purpose.
Summary of the invention
It is an object of the invention to provide a kind of TIPS operation sectional shelf-unit, this sectional shelf-unit can adapt to
Different patients.
To achieve these goals, the present invention provides a kind of TIPS operation sectional shelf-unit, and this combination is propped up
Frame includes the first support for implanting in hepatic vein and for implanting pylic second support, described
One support and described second support are respectively provided with the bare bracket section for implanting in corresponding blood vessel and are positioned at institute
State the overlay film section between portal vein and hepatic vein, the overlay film section of described first support and the overlay film of the second support
Section connects with can being adjusted axially position.
Alternatively, the overlay film section of described first support and the overlay film section of described second support are mutual the most slidably
Socket.
Alternatively, in described second support is inserted in described first support.
Alternatively, described overlay film section is removably arranged with Flow-rate adjustment support, this Flow-rate adjustment support
Valid circulation area less than the valid circulation area of described overlay film section.
Alternatively, described sectional shelf-unit also includes that the Flow-rate adjustment being removably enclosed within described overlay film section is propped up
Frame, the valid circulation area of this Flow-rate adjustment support is less than the valid circulation area of described overlay film section.
Alternatively, described Flow-rate adjustment support be formed as center to two ends cross-sectional area be gradually increased mute
Bell type structure, the inwall of the two ends of this dumbbell shape structure and corresponding described overlay film section fits, described effectively
Circulation area is limited by the smallest cross-section area of described dumbbell shape structure.
Alternatively, described first support and the described circumferentially spaced setting of overlay film section of described second support,
And being connected by described Flow-rate adjustment support, the two ends of described Flow-rate adjustment support are respectively slidably pasted
It is combined on the inwall of corresponding described overlay film section.
Alternatively, the quantity of described Flow-rate adjustment support is multiple, and the plurality of Flow-rate adjustment support has not
With valid circulation area and be selectively inserted in described overlay film section.
Alternatively, the diameter of the smallest cross-section area of described Flow-rate adjustment support is distributed in 3-10mm.
By technique scheme, owing in sectional shelf-unit, the overlay film section of two supports can regulate axial position
The connection put, can control the adjustable in length of integral support while ensureing to set up artificial channel, from
And adapt to different patient, it is not required to customize the support of different length according to different patients, so that patient obtains
To giving treatment in time and ensureing therapeutic effect.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the sectional shelf-unit structural representation in the application that first embodiment of the invention provides；
Fig. 2 is the sectional shelf-unit structural representation in the application that second embodiment of the invention provides；
Fig. 3 is the sectional shelf-unit structural representation in the application that third embodiment of the invention provides.
Description of reference numerals
100 hepatic vein 200 portal veins
101 first support 201 second supports
301 bare bracket section 302 overlay film sections
400 Flow-rate adjustment supports
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
In the present invention, in the case of illustrating on the contrary, the noun of locality of use such as " inside and outside " is
Refer to the interior and outer of corresponding component profile.
As shown in Figure 1 to Figure 3, the present invention describes provided TIPS hands by three embodiments
Art sectional shelf-unit.The sectional shelf-unit that the present invention provides aims to solve the problem that existing support can not meet different patient
The problem of demand, needs adaptive change for different corrective surgery supports, and existing support can only lead to
Crossing interim customization to realize, time cost and monetary cost are the biggest, and are unfavorable for controlling in time of patient
Treat.
In three kinds of embodiments that the present invention provides, this sectional shelf-unit includes for implanting hepatic vein 100
In the first support 101 and for implanting the second support 201 of portal vein 200, and the first support 101
It is respectively provided with the bare bracket section 301 for implanting in corresponding blood vessel with the second support 201 and is positioned at portal vein
And the overlay film section 302 between hepatic vein, the overlay film section 302 of the first support 101 and the second support 201
Overlay film section 302 connects with can being adjusted axially position.
So, owing in sectional shelf-unit, the overlay film section 302 of two supports can regulate the connection of axial location,
The adjustable in length of integral support can be controlled while ensureing to set up artificial channel, thus adapt to difference
Patient, is not required to customize the support of different length according to different patients, so that patient is given treatment in time
And ensure therapeutic effect.
Wherein the structure of the bare bracket section 301 in each middle embodiment of the present invention and overlay film section 302 itself can
Can be overlay film and the combination side of support in thinking various supporting structure well known in the art, such as overlay film section
Formula, in possible embodiment, it is also possible to be single structure of film.
As it is shown in figure 1, in first embodiment of the present invention, the overlay film section 302 of the first support 101
Mutually it is socketed slidably with the overlay film section 302 of the second support 201.That is, the two constitutes sliding extension knot
Structure, so by relatively adjusting the position relationship to axial of two overlay film sections, it is achieved sectional shelf-unit is different
Entire length.
Specifically, in the first embodiment, liver is flowed to from portal vein 200 as shown by arrows due to blood flow
Vein 100, therefore can design and be inserted in the first support 101 by the second support 201, to ensure blood flow
Flowing smoothly.The end bore of the overlay film section 302 i.e. designing the second support 201 is slightly less than the first support
The end bore of the overlay film section 302 of 101, is advisable snugly inserting the first support.
As in figure 2 it is shown, in the second embodiment and the 3rd embodiment, the combination that the present invention provides is propped up
Frame can also include the Flow-rate adjustment support 400 being removably enclosed within overlay film section, this Flow-rate adjustment support
The valid circulation area of 400 is less than the valid circulation area of overlay film section, thus effectively flows by changing difference
The Flow-rate adjustment support 400 of logical area, can regulate the blood flow flow flowing through sectional shelf-unit, to adapt to not
The state of an illness with patient.Alternatively, the quantity of Flow-rate adjustment support can be multiple, the plurality of Flow-rate adjustment
Support has different valid circulation area and selectively can being inserted according to different patients and the state of an illness and covers
In film section, thus the adaptability obtaining the sectional shelf-unit that the present invention provides is wider.For example, it is possible to rule of thumb,
Prepare the Flow-rate adjustment support 400 of the multiple valid circulation area that may need in advance in case different sufferer it
Need.The valid circulation area of indication the most of the present invention is to be limited by the smallest cross-section area of respective holder.
By arranging this Flow-rate adjustment support, the sectional shelf-unit that the present invention provides goes for various patient
Various state of an illness demands, without going separately to customize support according to patient, cause the cost especially time to become
Waste in basis, can be directly used in various patient timely and effectively, practical.
Wherein as a kind of embodiment, Flow-rate adjustment support 400 can be to be formed as center to two ends horizontal stroke
The dumbbell shape structure that sectional area is gradually increased, the inwall of the two ends of this dumbbell shape structure and corresponding overlay film section
Laminating, valid circulation area is limited by the smallest cross-section area of dumbbell shape structure.Wherein more specifically, be somebody's turn to do
The transition of dumbbell shape structure is arc radian so that blood flow more relaxes.Flow-rate adjustment i.e., as shown in the figure
The rip cutting cross section of support 400 has curved profile.In these more external possible embodiments, it is also possible to
There is the mode of straight transitions.
As in figure 2 it is shown, in this second embodiment, it is based on first embodiment of Fig. 1, adds
Inbound traffics regulation support 400, i.e. regulates entire combination support by mutually stretching of two overlay film sections
Length, and the valid circulation area of this sectional shelf-unit is regulated by changing different Flow-rate adjustment supports.
Exist as shown in Figure 3, in the third embodiment, unlike the first embodiment, first
Frame 101 and the circumferentially spaced setting of overlay film section 302 of the second support 201, and propped up by Flow-rate adjustment
Frame 400 is connected.I.e., in this embodiment, two overlay film sections overlap that to fetch realization mutually countershaft the most each other
To position adjustments, but the most slidably it is fitted in the stream in the inwall of corresponding overlay film section 302 by two ends
The axial location regulation that amount regulation support 400 realizes.
So, on the one hand can be regulated by the axial location of overlay film section and Flow-rate adjustment support 400, real
The length adjustment of existing entire combination support, additionally it is possible to realized group by the replacing of Flow-rate adjustment support 400
Close the regulation of support valid circulation area.Further, by this embodiment, so that the first support
Consistent with the bore of the two of the second support overlay film sections and be easy to processing, be not required to be particularly ensured that the second support
Bore is less than the bore of the first support.
As a kind of embodiment, in order to tackle most sufferer, support 400 can be regulated with design discharge
The diameter of smallest cross-section area be distributed in 3-10mm, i.e. the cross section of Flow-rate adjustment support is circular.
Such as in one group of sectional shelf-unit, 4/5,/6/,7/8 5 Flow-rate adjustment supports can be equipped with standby.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a TIPS operation sectional shelf-unit, it is characterised in that this sectional shelf-unit includes for implanting
The first support (101) in hepatic vein (100) and be used for implanting the second support of portal vein (200)
(201), described first support (101) and described second support (201) are respectively provided with for implanting phase
Answer the bare bracket section (301) in blood vessel and the overlay film section (302) between described portal vein and hepatic vein,
The overlay film section of described first support connects with the overlay film section of the second support with can being adjusted axially position.
Sectional shelf-unit the most according to claim 1, it is characterised in that covering of described first support
The overlay film section of film section and described second support is socketed the most slidably.
Sectional shelf-unit the most according to claim 2, it is characterised in that described second support is inserted in
In described first support.
4. according to the sectional shelf-unit described in Claims 2 or 3, it is characterised in that in described overlay film section
Removably being arranged with Flow-rate adjustment support (400), the valid circulation area of this Flow-rate adjustment support is less than
The valid circulation area of described overlay film section.
Sectional shelf-unit the most according to claim 1, it is characterised in that described sectional shelf-unit also wraps
Include the Flow-rate adjustment support (400) being removably enclosed within described overlay film section, having of this Flow-rate adjustment support
Effect circulation area is less than the valid circulation area of described overlay film section.
Sectional shelf-unit the most according to claim 5, it is characterised in that described Flow-rate adjustment support
(400) for be formed as the dumbbell shape structure that center is gradually increased to two ends cross-sectional area, this dumbbell shape is tied
Fitting with the inwall of corresponding described overlay film section in the two ends of structure, described valid circulation area is by described dumbbell shape
The smallest cross-section area of structure limits.
7. according to the sectional shelf-unit described in claim 5 or 6, it is characterised in that described first support
With the described circumferentially spaced setting of overlay film section of described second support, and by described Flow-rate adjustment support
Being connected, the two ends of described Flow-rate adjustment support are respectively slidably fitted in the inwall of corresponding described overlay film section
On.
8. according to the sectional shelf-unit described in claim 5 or 6, it is characterised in that described Flow-rate adjustment
The quantity of support is multiple, and the plurality of Flow-rate adjustment support has different valid circulation area and optional
It is inserted in selecting in described overlay film section.
Sectional shelf-unit the most according to claim 8, it is characterised in that described Flow-rate adjustment support
The diameter of smallest cross-section area be distributed in 3-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350166.5A CN105943198A (en) | 2016-05-24 | 2016-05-24 | Combined stent used for TIPS operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350166.5A CN105943198A (en) | 2016-05-24 | 2016-05-24 | Combined stent used for TIPS operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105943198A true CN105943198A (en) | 2016-09-21 |
Family
ID=56909626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610350166.5A Pending CN105943198A (en) | 2016-05-24 | 2016-05-24 | Combined stent used for TIPS operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105943198A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159548A (en) * | 2017-12-26 | 2018-06-15 | 中国人民解放军总医院 | It is recyclable through jugular vein Door deformation thrombolysis catheter |
| CN109044504A (en) * | 2018-09-25 | 2018-12-21 | 郑州大学第附属医院 | A kind of novel puncture suit in jugular vein liver |
| CN109662804A (en) * | 2019-01-15 | 2019-04-23 | 李卫校 | The dedicated endovascular stent of TIPS operation |
| CN109953780A (en) * | 2019-04-30 | 2019-07-02 | 靖海岭 | A kind of TIPS operation inlays overlay film frame with sacculus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159548A (en) * | 2017-12-26 | 2018-06-15 | 中国人民解放军总医院 | It is recyclable through jugular vein Door deformation thrombolysis catheter |
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| CN109953780A (en) * | 2019-04-30 | 2019-07-02 | 靖海岭 | A kind of TIPS operation inlays overlay film frame with sacculus |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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