CN212369413U - A balloon vena cava cannula - Google Patents
A balloon vena cava cannula Download PDFInfo
- Publication number
- CN212369413U CN212369413U CN202020690503.7U CN202020690503U CN212369413U CN 212369413 U CN212369413 U CN 212369413U CN 202020690503 U CN202020690503 U CN 202020690503U CN 212369413 U CN212369413 U CN 212369413U
- Authority
- CN
- China
- Prior art keywords
- vena cava
- cannula
- balloon
- blocking
- venous
- 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.)
- Expired - Fee Related
Links
- 210000001631 vena cava inferior Anatomy 0.000 claims abstract description 23
- 210000002620 vena cava superior Anatomy 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 210000005245 right atrium Anatomy 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract description 15
- 238000007675 cardiac surgery Methods 0.000 abstract description 14
- 210000003191 femoral vein Anatomy 0.000 abstract description 6
- 238000002627 tracheal intubation Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000002612 cardiopulmonary effect Effects 0.000 abstract 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 210000005077 saccule Anatomy 0.000 description 8
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 210000003462 vein Anatomy 0.000 description 5
- 210000001075 venae cavae Anatomy 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 241001631457 Cannula Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000000435 Heart Rupture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
本实用新型属于医疗器械技术领域，公开了一种球囊腔静脉插管，前端设置有球囊，球囊通过细导管通路连通注射器，球囊设置在静脉腔中；球囊与静脉腔之间还一体设置有静脉插管，静脉插管的末端设置有腔静脉插管前端侧孔。通过在心外科体外循环手术过程中应用本实用新型可省去既往心外科手术中建立体外循环时腔静脉过阻断带的步骤，即可大大缩减手术操作时间，还可同时避免上下腔静脉过阻断带时给心脏局部带来副损伤的风险；而对于上下腔静脉过阻断带处存在粘连和拟行微创心外科手术术野小不便于过阻断带等情况，本实用新型可使术者省去剥离分解或应用股静脉插管等非常规插管手段建立体外循环所带来的麻烦和风险。
The utility model belongs to the technical field of medical equipment, and discloses a balloon vena cava cannula, the front end is provided with a balloon, the balloon communicates with a syringe through a thin conduit passage, and the balloon is arranged in the venous cavity; A venous cannula is also integrally provided, and the end of the venous cannula is provided with a side hole at the front end of the vena cava cannula. By applying the utility model in the process of cardiopulmonary bypass operation, the steps of the vena cava over-blocking band during the establishment of cardiopulmonary bypass in the previous cardiac surgery operation can be omitted, the operation time can be greatly reduced, and the over-blocking of the upper and lower vena cava can be avoided at the same time. When the belt is broken, it will bring the risk of side injury to the local part of the heart; and for the situation that the superior and inferior vena cava passes through the blocking belt, and there is adhesion at the place where the minimally invasive cardiac surgery is to be performed, it is inconvenient to pass the blocking belt, etc. The operator saves the trouble and risk caused by stripping and decomposing or applying unconventional intubation methods such as femoral vein intubation to establish extracorporeal circulation.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a sacculus vena cava cannula.
Background
Currently, the current state of the art commonly used in the industry is such that: when extracorporeal circulation is established in the cardiac surgery operation, intubation is needed to be carried out at the proximal ends of the upper and lower vena cava, the blocking belt is used for surrounding the vena cava outside the blood vessel at the intubation position of the upper and lower vena cava, and the blocking belt is needed to surround the intubation tube to block the upper and lower vena cava before the cardiac surgery is carried out by opening the heart, so that blood in the return cardiac vein enters the extracorporeal circulation from the upper and lower vena cava intubation, but does not enter the heart, and further, the bloodless and clear cardiac surgery field is ensured. However, the current clinical application of the blocking band to block the superior and inferior vena cava not only increases the operation time, but also causes side damage to the heart part when the blocking band is over-blocked, and for the cases that the superior and inferior vena cava over-blocked part has adhesion, and the minimally invasive cardiac surgery with small space, etc., the superior and inferior vena cava over-blocking band cannot be completed, and further the blocking of the vena cava cannot be guaranteed.
In summary, the problems of the prior art are as follows: at present, the condition that the blocking belt of the upper and lower venae cavae has adhesion, small space and the like in the position of the blocking belt of the upper and lower venae cavae is not beneficial to completing the blocking of the venae cavae by a mode of clinically applying the blocking belt to block the upper and lower venae cavae.
The difficulty of solving the technical problems is as follows: at present, clinically, the main solutions for the adhesion existing at the upper and lower vena cava overblocking bands are mainly stripping and adhesion decomposition in the operation for anatomical exposure, and the main solutions for the minimally invasive cardiac surgery without an overblocking band with enough space are mainly that femoral vein cannulas establish extracorporeal circulation, however, the methods all have a plurality of risks of causing heart rupture, femoral vein cannulas causing local injuries such as femoral veins and the like when stripping and adhesion decomposition are carried out in the operation process.
The significance of solving the technical problems is as follows: the utility model discloses the front end at the required pipeline of vena cava intubate of novelty has increased sacculus device, will the utility model discloses insert the sacculus for the pipe through connecting the sacculus behind the nearly heart end of inferior vena cava, reach promptly and block the blood that the vena cava flows back to the heart, make the blood of returning heart go back to flow into the extracorporeal circulation machine through the vena cava intubate completely and carry out the extracorporeal circulation outside, still can play through the sacculus of inflation and support fixed prevent that the pipeline from deviating from the effect of vena cava, thereby saved the step that the vena cava crosses the block area when establishing the extracorporeal circulation in the existing heart surgery, the operation time has reduced greatly promptly, the risk that brings the collateral damage for heart part when also having avoided the upper and lower vena cava crossing the block area, there is the adhesion and the circumstances such as minimal access heart surgery of proposing to go forward in the department of blocking area simultaneously, the utility model discloses can make the operator peel off and decompose or use the unconventional means of inserting such as femoral vein intubate The trouble and risk of coming.
SUMMERY OF THE UTILITY MODEL
To the problems existing in the prior art, the utility model provides a sacculus vena cava cannula.
The utility model is realized in such a way that the front end of the sacculus vena cava cannula is provided with a sacculus which is communicated with an injector through a thin catheter passage, and the sacculus is arranged in the vena cava;
still integrative vein intubate that is provided with between sacculus and the vein chamber, vein intubate's end is provided with vena cava intubate front end side opening.
Further, the thin catheter adopts a balloon water injection pipe.
Furthermore, a supporting metal wire is arranged on the inner wall of the venous cannula.
Furthermore, the vena cava comprises a superior vena cava and an inferior vena cava which are arranged on the front side and the back side of the right atrium, a superior vena cava cannula is inserted in the superior vena cava, and an inferior vena cava cannula is inserted in the inferior vena cava.
To sum up, the utility model discloses an advantage and positive effect do: by applying the utility model in the extracorporeal circulation operation process of cardiac surgery, the step of the vena cava crossing blocking belt when extracorporeal circulation is established in the previous cardiac surgery can be saved, the operation time can be greatly shortened, and the risk of side damage to the heart part caused by the upper and lower vena cava crossing blocking belt can be avoided; and to the upper and lower vena cava cross block and take the department to exist the adhesion and to try to go on the condition such as the open area of being not convenient for too much of minimal access cardiac surgery art, the utility model discloses can make the art person save to peel off the trouble and the risk that the decomposition or applied extraordinary intubate means such as femoral vein intubate and set up the extracorporeal circulation and bring.
Drawings
FIG. 1 is a schematic structural view of an old-fashioned vena cava cannula commonly used in conventional cardiac surgery;
wherein, a straight-head pipe; b. a right-angle tube.
FIG. 2 is a schematic illustration of a prior art venous block using a prior art old fashioned venal caval cannula;
FIG. 3 is a structural view of the novel vena cava duct with an integrated water-injectable balloon of the present invention;
wherein, a schematic diagram of a straight-head vena cava duct with a balloon; b. schematic diagram of a right angle vena cava duct with a balloon.
Fig. 4 is a schematic view of a saccule vena cava cannula according to an embodiment of the present invention.
In the figure: 1. a superior vena cava cannula; 2. an inferior vena cava cannula; 3. a side hole at the front end of the vena cava cannula; 4. a balloon; 5. a balloon water injection tube; 6. a support wire; 7. the superior vena cava; 8. the inferior vena cava; 9. the right atrium; 10. an injector; 11. the belt is blocked.
Detailed Description
In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
To solve the problems existing in the prior art, the utility model provides a sacculus vena cava cannula, which is described in detail with reference to the attached figures 3 and 4.
Compared with the existing old-fashioned vena cava cannula in fig. 1, the blocking belt 11 needs to be bound on the superior vena cava 7 and the inferior vena cava 8 when the vena cava cannula in fig. 2 is applied, the saccule vena cava cannula provided by the embodiment in fig. 3, the front end of the saccule vena cava cannula is provided with the saccule 4, the syringe 10 is connected through the thin catheter passage 5, as shown in fig. 4, after the superior vena cava cannula 1 and the inferior vena cava cannula 2 of the superior vena cava 7 and the inferior vena cava 8 are carried out in the cardiac surgery extracorporeal circulation operation, the saccule 4 can be filled by injecting physiological saline.
The integral saccule 4 parts of the inferior vena cava cannula 2 and the superior vena cava cannula 1 are also communicated with a thin catheter passage 5 for water injection.
And a supporting metal wire 6 is also arranged in the tube wall of the inferior vena cava cannula 2 and the superior vena cava cannula 1 to prevent negative pressure from sucking the pipeline to be shriveled.
In the extracorporeal circulation operation of the cardiac surgery, after the superior vena cava 7 and the inferior vena cava 8 are intubated, the saccule 4 can be filled by injecting physiological saline, so that the aims of preventing the return heart blood from entering the right atrium 9 and ensuring the blood to completely enter the extracorporeal circulation through the vena cava are fulfilled, and the expanded saccule 4 can play a role in supporting and fixing to prevent the pipeline from falling out of the vena cava. The sacculus 4, the superior vena cava cannula 1 and the inferior vena cava cannula 2 are integrated, the sacculus 4 is connected with a sacculus water injection pipe 5 for water injection, and supporting metal wires 6 are also arranged in the pipe walls of the superior vena cava cannula 1 and the inferior vena cava cannula 2. The sacculus 4 can be connected with an injector 10 through a passage of the sacculus water injection pipe 5, when extracorporeal circulation is established in a cardiac surgery, after the sacculus 4 is inserted into the proximal ends of the superior vena cava 7 and the inferior vena cava 8, the sacculus is expanded after physiological saline is injected by the injector 10 through a catheter connected with the sacculus 4, and therefore blood returning to the right atrium 9 from the superior vena cava 7 and the inferior vena cava 8 is blocked, the returned blood completely flows into an extracorporeal circulation machine through a vena cava cannula for extracorporeal circulation, and the expanded sacculus 4 can also play a role in supporting and fixing to prevent a pipeline cavity from dropping out of the vein.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690503.7U CN212369413U (en) | 2020-04-29 | 2020-04-29 | A balloon vena cava cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690503.7U CN212369413U (en) | 2020-04-29 | 2020-04-29 | A balloon vena cava cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212369413U true CN212369413U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020690503.7U Expired - Fee Related CN212369413U (en) | 2020-04-29 | 2020-04-29 | A balloon vena cava cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212369413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408020A (en) * | 2020-04-29 | 2020-07-14 | 哈尔滨医科大学 | A balloon vena cava cannula |
| CN112915288A (en) * | 2021-03-15 | 2021-06-08 | 胡锡祥 | Venous cannula with sacculus |
-
2020
- 2020-04-29 CN CN202020690503.7U patent/CN212369413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408020A (en) * | 2020-04-29 | 2020-07-14 | 哈尔滨医科大学 | A balloon vena cava cannula |
| CN112915288A (en) * | 2021-03-15 | 2021-06-08 | 胡锡祥 | Venous cannula with sacculus |
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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: 20210119 |