CN206044673U - A kind of pressure selectivity Porta blocking-up device - Google Patents
A kind of pressure selectivity Porta blocking-up device Download PDFInfo
- Publication number
- CN206044673U CN206044673U CN201620657099.7U CN201620657099U CN206044673U CN 206044673 U CN206044673 U CN 206044673U CN 201620657099 U CN201620657099 U CN 201620657099U CN 206044673 U CN206044673 U CN 206044673U
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- Prior art keywords
- pressure
- loop
- hollow
- selectivity
- blocking
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Abstract
This utility model belongs to technical field of medical instruments, more particularly to a kind of pressure selectivity Porta blocking-up device.The pressure selectivity Porta blocking-up device includes movable end, fixing end, pressure transducer, controller and display screen；The movable end is provided with the hollow U-loop that can be deformed upon, the fixing end controls the contraction and expansion of the hollow U-loop two side by regulating part, the pressure transducer is arranged at the inner side of the hollow U-loop bottom, and the pressure transducer is electrically connected with the controller with display screen.It can be seen that, the pressure selectivity Porta blocking-up device smart structural design is easy to control, can be according to pressure come the blocking of quantified controlling hepatic portal different blood vessel.
Description
Technical field
This utility model is related to technical field of medical instruments, more particularly to a kind of pressure selectivity Porta blocking-up device.
Background technology
Many liver and gall diseases need row hepatectomy to remove liver lesion.Constitutional liver and gall innocent and malignant tumour or Secondary cases liver are swollen
Tumor is the modal indication of hepatectomy.Part choledochocele, placement for benign biliary tract stricture and Liver Trauma also need row hepatectomy
Art.
Liver blood supply is enriched very much, and the hepatic blood flow that enters of liver mainly passes through Glisson systems (the pipeline system in liver
System), interior comprising portal vein, Hepatic artery and hepatic duct, three is wrapped in a connective tissue intrathecal, claims Glisson sheaths, the first livers of Jing
Enter in liver parenchyma at door.
Bleeding and blood transfusion are to cause hepatectomy infectious-related complication that even one of main causes of death occur.Effective liver
Bloodstream blocking technology can reduce the intraoperative blood loss of hepatectomy.The major defect of bloodstream blocking is that ischemia and reperfusion damage is led
The hepatocyte injury of cause, prolonged in-degree sequence may cause postoperative liver failure to occur, especially hard in hepatitis liver
The patient of change.The liver blood flow interrupter technique commonly used in surgical operation at present mainly includes：1st, complete porta hepatis bloodstream blocking
Method, also referred to as Pringle methods, while blocking the Hepatic artery and portal vein of enter liver, are the surgery of liver bloodstream blocking methods of standard,
It is the most commonly used；2nd, Selective hepatic inflow occlusion, i.e. selective exclusion are intended to the Hepatic artery and portal vein of cutting side；3rd, simple door is quiet
Arteries and veins is blocked, i.e. selective exclusion enter liver main portal vein, does not block Hepatic artery.But there is respective defect in said method.It is complete
Full porta hepatis bloodstream blocking method is to reduce the simplest method of hepatectomy bleeding, but which can increase liver parenchyma ischemia, while
Cause internal organs congestion, tension is shunk during operation and can also result in endarterium or bile duct injury.For selectivity enters hepatic blood flow
Blocking, although which is acted on to residual liver not damaged, without internal organs congestion and hemodynamics disturbance, but its technical requirements is high, and stops blooding
Effect is not notable.Although simple portal venous thrombosis remain Hepatic artery blood supply to prevent biliary tract ischemia, and control Bleeding is preferable
And can long period sustained blockade, but the method technical requirements are higher, do not received by most surgeon.Therefore, Wo Menxi
The advantage with reference to said method is hoped, more preferable in-degree sequence device is designed.
Utility model content
(1) technical problem to be solved
The technical problems to be solved in the utility model is：It is inconvenient to control during hepatic portal occlusion to solve prior art,
Cannot be according to the problem of pressure quantified controlling hepatic portal blood vessel blocking.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of pressure selectivity Porta blocking-up device, its bag
Include movable end, fixing end, pressure transducer, controller and display screen；The movable end is provided with the hollow U-shaped that can be deformed upon
Ring, the fixing end control the contraction and expansion of the hollow U-loop two side by regulating part, and the pressure transducer is arranged
In the inner side of the hollow U-loop bottom, the pressure transducer is electrically connected with the controller with display screen.
Wherein, the regulating part includes that buckle and self-locking adjust band, and the buckle is arranged at the fixing end；
The self-locking adjusts band including the first regulation section and is connected to the same end of the first regulation section
Second adjusts section and the 3rd adjusts section；Wherein, the second regulation Duan Yu tri- regulation sections are corresponded to respectively and are located in the hollow U
The inside of shape ring two side, the end of the second regulation section are connected with the top of one of side wall, and the described 3rd adjusts section
End be connected with the top of another side wall, described first to adjust between section and the buckle be detachably connected, is passed through
Control the length of the first regulation section and then the hollow U-loop two side is shunk and is expanded.
Wherein, the regulating part includes source of the gas and airway, and the source of the gas is arranged in the fixing end, the airway
One end be connected with source of the gas, the other end is connected with the middle part of the hollow U-loop, and the two side of the hollow U-loop is in air pressure
In the presence of shunk and expanded.
Wherein, the 3rd regulation section is equally spacedly provided with multiple screens, is provided with and the clamping matching in the buckle
Hole clipping.
Wherein, the hollow U-loop is made up of elastic material.
Wherein, the hollow U-loop be polyurethane, silicone rubber, polyester fiber, polyvinyl pyrrolidone, polyether-ether-ketone,
One kind or arbitrarily several combinations in polymethyl methacrylate, polyvinyl alcohol, polylactic acid or polyethylene.
Wherein, the controller is connected with timing unit, and the display screen is used to record and show the timing unit
Time.
Wherein, the fixing end is in shaft-like, and is provided with handle or fixation clamp in the end of fixing end.
(3) beneficial effect
Above-mentioned technical proposal has the advantage that：This utility model pressure selectivity Porta blocking-up device passes through regulating part control
The contraction and expansion of the hollow U-loop two side are made, with stronger operability；Can be detected by pressure transducer and be received
The pressure for bearing tightly is organized, and will detect that force information back, to controller, shows after via controller analyzing and processing on a display screen
Show, so as to be controlled to hepatic portal blood vessel according to pressure value.It can be seen that, the pressure selectivity Porta blocking-up device structure design is skilful
It is wonderful, it is easy to control, can be according to pressure come the blocking of quantified controlling hepatic portal blood vessel.
Description of the drawings
Fig. 1 is the structural representation of this utility model embodiment pressure selectivity Porta blocking-up device；
Fig. 2 is the use state figure of this utility model embodiment pressure selectivity Porta blocking-up device；
Fig. 3 is the structural representation of another embodiment pressure selectivity Porta blocking-up device of this utility model；
Fig. 4 is the use state figure of another embodiment pressure selectivity Porta blocking-up device of this utility model.
Wherein, 1, movable end；2nd, pressure transducer；3rd, airway；4th, source of the gas；5th, fixing end；6th, second adjust section；7th,
Three adjust section；8th, first adjust section；9th, buckle；10th, display screen.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate this utility model, but is not limited to scope of the present utility model.
In description of the present utility model, it should be noted that unless otherwise stated, " multiple " are meant that two or two
More than individual；Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the instruction such as " afterbody "
Orientation or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of description this utility model and simplification
Description, rather than indicate or imply that the device or element of indication must be with specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for description
Purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.
For the ordinary skill in the art, visual concrete condition understands above-mentioned term specifically containing in this utility model
Justice.
With reference to shown in Fig. 1 to Fig. 4, the present embodiment provides a kind of pressure selectivity Porta blocking-up device, and which includes movable end
1st, fixing end 5, pressure transducer 2, controller and display screen 10；Movable end 1 is provided with the hollow U-loop that can be deformed upon, this
Hollow U-loop can be made according to technique in the case of normally not stressing and take the shape of the letter U, in the case of stress in a ring.And, it is this
The big I of hollow U-loop needs flexibly to arrange according to realization.Fixing end 5 controls hollow U-loop two side by regulating part
Shrink and expansion, what deserves to be explained is, during contraction in a ring, take the shape of the letter U during expansion, can control which and cut between these two states
Change.Pressure transducer 2 is arranged at the inner side of hollow U-loop bottom, and pressure transducer 2 is electrically connected with controller with display screen 10
Connect.
Wherein, pressure transducer 2 can detect the tightened up pressure organized and bear, and give control by detection force information back
Device processed, is shown after via controller analyzing and processing, on the display screen 10 so as to specifically be controlled further according to the information of display screen 10.
For example：Normal portal venous pressure is generally 1.27-2.35kPa, and Hepatic artery pressure is about the 8-10 of portal vein pressure
Times.The full hepatic blood flow of normal person about 1500ml per minute, wherein Portal Blood Flow about 1100ml per minute, account for 75%, liver
Blood flow volume about 350ml per minute, accounts for 25%.
In view of portal vein and hepatic arterial barometric gradient difference, are simply, easily to carry out selectivity hepatic portal blood vessel blocking,
We propose meter it is a kind of it is simple to operate, enter hepatic blood flow according to pressure selective exclusion or block merely pylic surgical device
Tool.When Hepatic artery pressure ＞ occluding pressure ＞ portal venous pressures are 1.27-2.35kPa, portal venous flow is only blocked merely, when
When occluding pressure ＞ Hepatic artery pressure is 12.7-23.5kPa, then Hepatic artery and portal vein etc. is entered into hepatic blood flow and blocked in the lump.
Wherein, fixing end 5 is in shaft-like, and is provided with handle or fixation clamp in the end of fixing end 5.
In the present embodiment, the concrete control mode of pressure selectivity Porta blocking-up device can also may be used using band control is adjusted
To be controlled using air pressure, certainly, both can also be used in combination.
For example：With reference to shown in Fig. 1 to Fig. 2, regulating part includes that buckle 9 and self-locking adjust band, and buckle 9 is arranged at fixing end
5；
Self-locking adjust band including first regulation section 8, and be connected to 8 same end of the first regulation section second tune
Sections 6 and the 3rd adjusts section 7；Wherein, section 7 is corresponding respectively is located in hollow U-loop two side with the 3rd regulation for the second regulation section 6
Inside, second regulation section 6 end be connected with the top of one of side wall, the 3rd adjust section 7 end and another side
The top connection of wall, is detachably connected between the first regulation section 8 and buckle 9, and the length for adjusting section 8 by control first is entered
And hollow U-loop two side is shunk and is expanded.That is, adjusting the length of section 8 by control first and then driving
Second regulation section 6 and the hollow U-loop two side of the 3rd regulation section 7 pairs press so as to which two side inwardly occurs bending and deformation.
Further, the 3rd regulation section 7 is equally spacedly provided with multiple screens, and the hole clipping with clamping matching is provided with buckle 9.
Hole clipping completes self-locking after falling into screens.After hollow U-loop wrapping hepatic portal (entering liver blood vessel), 9 pumpback of buckle of Jing rear ends is extremely right
Hepatic portal produces certain pressure, closes buckle 9 to maintain to enter hepatic portal the fixation pressure of liver blood vessel, you can selected according to different pressures value
Selecting property blocks full hepatic portal or only blocks portal vein, then row hepatectomy again.
Again for example：With reference to shown in Fig. 3 to Fig. 4, regulating part includes source of the gas 4 and airway 3, and source of the gas 4 is arranged on fixing end 5
On, one end of airway 3 is connected with source of the gas 4, and the other end is connected with the middle part of hollow U-loop, and the two side of hollow U-loop is in gas
Shunk in the presence of pressure and expanded.
Additionally, airway 3 can be also connected with barometer, barometer is controlled by controller.
Certainly, the present embodiment can also adopt hydraulic pressure control mode, for example：Regulating part includes liquid source and catheter, liquid source
It is arranged in fixing end 5, one end of catheter is connected with liquid source, and the other end is connected with the middle part of hollow U-loop, hollow U-loop
Two side shunk in the presence of hydraulic pressure and expanded.
The hollow U-loop of the present embodiment is made up of elastic material.
Specifically, hollow U-loop is polyurethane, silicone rubber, polyester fiber, polyvinyl pyrrolidone, polyether-ether-ketone, poly-
One kind or arbitrarily several combinations in methyl methacrylate, polyvinyl alcohol, polylactic acid or polyethylene.This hollow U-loop is soft
Tough, easy fracture, can not oppress hepatic portal blood vessel and blood vessel not caused to damage.
Additionally, the controller of the present embodiment is connected with timing unit, display screen 10 is used to record and show timing unit
Time, to facilitate record Xining.
As can be seen from the above embodiments, this utility model pressure selectivity Porta blocking-up device controls institute by regulating part
The contraction and expansion of hollow U-loop two side are stated, with stronger operability；Tightened up group can be detected by pressure transducer
The pressure for bearing is knitted, and will detect that force information back, to controller, is shown after via controller analyzing and processing on the display screen 10,
So as to the information further according to display screen 10 carries out concrete blocking control.It can be seen that, the pressure selectivity Porta blocking-up device structure sets
Meter is ingenious, easy to control, can be according to pressure come the blocking of quantified controlling hepatic portal blood vessel.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement and replacement can also be made, these change
Enter and replace also to should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of pressure selectivity Porta blocking-up device, it is characterised in that including movable end, fixing end, pressure transducer, control
Device and display screen；The movable end is provided with the hollow U-loop that can be deformed upon, the fixing end by regulating part control it is described in
The contraction of empty U-loop two side is arranged at the inner side of the hollow U-loop bottom, the pressure with expansion, the pressure transducer
Force transducer, display screen are electrically connected with the controller；
The regulating part includes that buckle and self-locking adjust band, and the buckle is arranged at the fixing end；
The self-locking adjusts band including the first regulation section and is connected to the second of the same end of the first regulation section
Adjust section and the 3rd and adjust section；Wherein, the second regulation Duan Yu tri- regulation sections are corresponded to respectively and are located in the hollow U-loop
The inside of two side, the end of the second regulation section are connected with the top of one of side wall, and the described 3rd adjusts the end of section
End is connected with the top of another side wall, is detachably connected, by control between the first regulation section and the buckle
The length of the first regulation section further makes the hollow U-loop two side be shunk and be expanded.
2. pressure selectivity Porta blocking-up device as claimed in claim 1, it is characterised in that the regulating part include source of the gas and
Airway, the source of the gas are arranged in the fixing end, and one end of the airway is connected with source of the gas, and the other end is hollow with described
The middle part connection of U-loop, the two side of the hollow U-loop is shunk under the influence of air pressure and is expanded.
3. pressure selectivity Porta blocking-up device as claimed in claim 1, it is characterised in that the described 3rd to adjust section equidistant
Be provided with multiple screens, the hole clipping with the clamping matching is provided with the buckle.
4. pressure selectivity Porta blocking-up device as claimed in claim 2, it is characterised in that the hollow U-loop is elasticity
Material is made.
5. pressure selectivity Porta blocking-up device as claimed in claim 2, it is characterised in that the hollow U-loop is poly- ammonia
Ester, silicone rubber, polyester fiber, polyvinyl pyrrolidone, polyether-ether-ketone, polymethyl methacrylate, polyvinyl alcohol, polylactic acid
Or the one kind in polyethylene or arbitrarily several combinations.
6. pressure selectivity Porta blocking-up device as claimed in claim 2, it is characterised in that the controller is connected with timing
Unit, the display screen are used for the time for recording and showing the timing unit.
7. pressure selectivity Porta blocking-up device as claimed in claim 2, it is characterised in that the fixing end in shaft-like, and
Handle or fixation clamp are provided with the end of fixing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657099.7U CN206044673U (en) | 2016-06-29 | 2016-06-29 | A kind of pressure selectivity Porta blocking-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657099.7U CN206044673U (en) | 2016-06-29 | 2016-06-29 | A kind of pressure selectivity Porta blocking-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206044673U true CN206044673U (en) | 2017-03-29 |
Family
ID=58372406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620657099.7U Expired - Fee Related CN206044673U (en) | 2016-06-29 | 2016-06-29 | A kind of pressure selectivity Porta blocking-up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206044673U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037859A (en) * | 2016-06-29 | 2016-10-26 | 王学栋 | Pressure selective hepatic inflow occlusion apparatus |
| CN110811741A (en) * | 2019-12-18 | 2020-02-21 | 哈尔滨商业大学 | Artery ligation tension detector |
| CN113456152A (en) * | 2021-07-08 | 2021-10-01 | 中山大学附属第五医院 | Hepatic portal blocking device |
-
2016
- 2016-06-29 CN CN201620657099.7U patent/CN206044673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037859A (en) * | 2016-06-29 | 2016-10-26 | 王学栋 | Pressure selective hepatic inflow occlusion apparatus |
| CN110811741A (en) * | 2019-12-18 | 2020-02-21 | 哈尔滨商业大学 | Artery ligation tension detector |
| CN113456152A (en) * | 2021-07-08 | 2021-10-01 | 中山大学附属第五医院 | Hepatic portal blocking 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20190629 |