CN214105415U - Femoral artery ECMO cannula - Google Patents
Femoral artery ECMO cannula Download PDFInfo
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- CN214105415U CN214105415U CN202022798138.4U CN202022798138U CN214105415U CN 214105415 U CN214105415 U CN 214105415U CN 202022798138 U CN202022798138 U CN 202022798138U CN 214105415 U CN214105415 U CN 214105415U
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- femoral artery
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Abstract
The femoral artery ECMO cannula comprises a femoral artery tube, a puncture needle, a guide wire, a dilator, a blade, an injector, a sticking and fixing piece, a distal perfusion tube and an inflatable balloon, wherein the distal end or the lower part of the femoral artery tube is provided with the balloon which is of a hollow columnar structure; in conclusion, the sticking and fixing piece is used for sticking and fixing the device on the body surface, so that the pipeline is prevented from falling off, shifting and turning; the arrangement of the air bag and the far-end perfusion tube can ensure blood supply of the lower limb.
Description
Technical Field
The utility model belongs to the technical field of the medical treatment, concretely relates to arteria femoralis ECMO intubate.
Background
After the puncture is successful, the subcutaneous tissue and the femoral artery blood vessel are expanded layer by using the expander, and finally the femoral artery cannula is implanted; after the femoral artery cannula is placed, no device capable of being fixed is arranged on the surface of the skin, and the femoral artery cannula is easy to fall off when the fixation is not firm; before VA-ECMO treatment, patients often use a large amount of vasoactive drugs (such as adrenaline, noradrenaline and the like), which causes the systemic arteriovenous vessels of the patients to shrink strongly, the arterial lumens to narrow, and after inserting the ECMO cannula of the femoral artery, the blood flow at the far end of the lower limb at the same side is often slowed down or even disappeared, and the manifestation of acute ischemia appears: such as cold skin, cyanosis, and even dark distal limbs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a femoral artery ECMO intubation tube which is convenient to use, firm in fixation and not easy to deviate from, and aims to solve the defects in the prior art.
In order to solve the technical problem, the utility model adopts the following technical scheme: the femoral artery ECMO cannula comprises a femoral artery tube, a puncture needle, a guide wire, an expander, a blade, an injector, a sticking fixing piece, a distal perfusion tube and an inflatable balloon, wherein the distal end or the lower part of the femoral artery tube is provided with the balloon which is of a hollow columnar structure, a through hole is formed at the hollow part of the balloon, a joint of the femoral artery tube is a joint with 3/8 x 3/8 side holes, an inflation channel is arranged in the tube wall of the femoral artery tube, an inflation joint is arranged at the proximal end or the joint of the femoral artery tube, and the inflation joint is communicated with the balloon through the inflation channel;
the far-end perfusion tube is provided with scale marks, and the lower part of the far-end perfusion tube is provided with a plurality of bleeding holes.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has: after the utility model is used for intubation, the blood supply of the lower limbs is deteriorated, the inflatable balloon can be connected with the inflatable joint, the balloon is inflated through the inflatable balloon, the balloon inflates and expands the blood vessel, and the blood can enter the far-end blood vessel through the through hole in the middle of the balloon, so that the blood supply of the lower limbs is improved; if the blood supply of the lower limbs can not be ensured after inflation, a far-end perfusion tube can be used for carrying out far-end blood vessel puncture and placing tubes to be connected with a main pipeline to ensure the blood supply of the lower limbs, the inner diameter of the far-end perfusion tube is large, the material is soft, the risk that the far-end perfusion tube is easy to fold and separate is solved, no tee joint is arranged in the middle of the far-end perfusion tube, the problem of physiological narrow tee joint is avoided, the far-end perfusion tube can be directly connected with the main pipeline, and no connector or pipeline needs to be switched in the middle, so that the trouble in operation is avoided; in addition, the pasting fixing piece is used for pasting and fixing the device on the body surface, so that the pipeline is prevented from falling off, shifting and turning, and if the pipeline is operated to fall off, shift and turn, blood feedback obstacle can be caused, and patients can die by serious people.
Drawings
FIG. 1 is a schematic diagram of the structure of a femoral artery;
FIG. 2 is a schematic view of the structure of the distal irrigation tube;
fig. 3 is a schematic view of the structure of the puncture needle, guidewire and dilator.
Detailed Description
As shown in fig. 1-3, the femoral artery ECMO cannula of the present invention includes a femoral artery tube 1, a puncture needle 3, a guide wire 4, an expander 5, a blade, an injector, a fixing sheet, a distal perfusion tube 6 and an inflation balloon, wherein the distal end or the lower portion of the femoral artery tube 1 is provided with an air bag 8, the air bag 8 is a hollow columnar structure, a through hole 9 is formed at the hollow portion of the air bag 8, a connector 10 with a lateral hole is arranged at the interface of the femoral artery tube at 3/8 x 3/8, an inflation channel is arranged in the tube wall of the femoral artery tube 1, an inflation connector 11 is arranged at the proximal end or the interface of the femoral artery tube, and the inflation connector 11 is communicated with the air bag 8 through the inflation channel; the outer surfaces of the femoral artery tube 1 and the femoral vein tube 2 are both provided with a heparin coating.
The far-end perfusion tube 6 is provided with scale marks, and the lower part of the far-end perfusion tube 6 is provided with a plurality of bleeding holes 12.
After intubation, the blood supply of the lower limbs is deteriorated, the inflatable balloon can be connected with the inflatable joint 11, the airbag 8 is inflated through the inflatable balloon, the airbag 8 inflates and expands the blood vessel, and blood can enter the blood vessel at the far end through the through hole 9 in the middle of the airbag 8, so that the blood supply of the lower limbs is improved; if inflate the back, still can not guarantee the blood supply of low limbs, can use distal end perfusion tube 6, go the distal end vascular puncture and put the pipe, connect the main line, guarantee the blood supply of low limbs, this distal end perfusion tube 6 internal diameter is big, the material is soft, the risk that the distal end perfusion tube 6 was easily rolled over and is deviate from has been solved, and there is not any tee bend in the middle of this distal end perfusion tube 6, the physiological narrow problem of tee bend has been avoided, this distal end perfusion tube 6 directly can link to each other with the main line, any joint 11 of centre or pipeline need not be transferred, the trouble in the operation has been avoided.
The pasting fixing piece is used for pasting and fixing the device on the body surface, so that the pipeline is prevented from falling off, shifting and turning, and if the pipeline is operated to fall off, shift and turn, blood return obstacle can be caused, and the patient can die by serious people.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (1)
1. Femoral artery ECMO intubate which characterized in that: the femoral artery catheter comprises a femoral artery catheter, a puncture needle, a guide wire, an expander, a blade, an injector, a sticking fixing piece, a distal perfusion catheter and an inflatable balloon, wherein the distal end or the lower part of the femoral artery catheter is provided with the balloon which is of a hollow columnar structure, a through hole is formed at the hollow part of the balloon, a joint of the femoral artery catheter is a joint with 3/8 x 3/8 side holes, an inflation channel is arranged in the catheter wall of the femoral artery catheter, an inflation joint is arranged at the proximal end or the joint of the femoral artery catheter, and the inflation joint is communicated with the balloon through the inflation channel;
the far-end perfusion tube is provided with scale marks, and the lower part of the far-end perfusion tube is provided with a plurality of bleeding holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022798138.4U CN214105415U (en) | 2020-11-27 | 2020-11-27 | Femoral artery ECMO cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022798138.4U CN214105415U (en) | 2020-11-27 | 2020-11-27 | Femoral artery ECMO cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214105415U true CN214105415U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022798138.4U Active CN214105415U (en) | 2020-11-27 | 2020-11-27 | Femoral artery ECMO cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214105415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113599675A (en) * | 2021-09-14 | 2021-11-05 | 蚌埠医学院第一附属医院（蚌埠医学院附属肿瘤医院） | Femoral artery intubation and catheterization method capable of monitoring and increasing blood supply of lower limbs |
-
2020
- 2020-11-27 CN CN202022798138.4U patent/CN214105415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113599675A (en) * | 2021-09-14 | 2021-11-05 | 蚌埠医学院第一附属医院（蚌埠医学院附属肿瘤医院） | Femoral artery intubation and catheterization method capable of monitoring and increasing blood supply of lower limbs |
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