CN216934417U - Femoral artery shunt intubation tube - Google Patents
Femoral artery shunt intubation tube Download PDFInfo
- Publication number
- CN216934417U CN216934417U CN202120480300.XU CN202120480300U CN216934417U CN 216934417 U CN216934417 U CN 216934417U CN 202120480300 U CN202120480300 U CN 202120480300U CN 216934417 U CN216934417 U CN 216934417U
- Authority
- CN
- China
- Prior art keywords
- cannula
- tube
- femoral artery
- shunt
- cannula body
- 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
- 210000001105 femoral artery Anatomy 0.000 title claims abstract description 36
- 238000002627 tracheal intubation Methods 0.000 title abstract description 29
- 239000008280 blood Substances 0.000 claims abstract description 26
- 210000004369 blood Anatomy 0.000 claims abstract description 26
- 230000004087 circulation Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 abstract description 10
- 230000036770 blood supply Effects 0.000 abstract description 2
- 238000001356 surgical procedure Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000017531 blood circulation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 208000028867 ischemia Diseases 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- 206010069729 Collateral circulation Diseases 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000002376 aorta thoracic Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008081 blood perfusion Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 201000002818 limb ischemia Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of medical equipment, in particular to a femoral artery shunt cannula which comprises a cannula body, wherein a side tube is arranged on the side face of the rear part of the cannula body, an end cover is arranged at the end part of the side tube, a shunt tube is arranged in the side tube and movably connected inside the cannula body, a plurality of limiting columns perpendicular to the shunt tube are arranged in the cannula body, the front end of the shunt tube extends out of the cannula body, the rear end of the shunt tube is positioned outside the cannula body and is connected to a blood return circulation pipeline, a first exhaust valve is further arranged at the rear part of the shunt tube, and the rear end of the cannula body is connected to the blood return circulation pipeline and is provided with a second exhaust valve. The utility model solves the problems that in the prior art, the intubation is time-consuming and needs equipment to support by inserting the intubation at the far end of the femoral artery intubation, and the blood supply of the far end lower limb can not be ensured only by the small amount of blood around the intubation and the circulation supply of the collateral, so that the patient can still be injured, and the use is convenient.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a femoral artery shunt cannula.
Background
With the rapid development of heart surgery at home and abroad, the application of the arterial cannula in the heart surgery is more and more extensive. The femoral artery is a common part for CPB (extracorporeal circulation) peripheral catheterization in minimally invasive heart surgery, secondary surgery and thoracic aorta surgery, and the current femoral artery intubation technique has an inherent problem that insufficient blood flow of the lower limb at the far end of the intubation position can be caused in the surgery. In order to maintain sufficient CPB flow, the diameter of a femoral artery cannula needs to be equivalent to the internal diameter of a femoral artery of a patient, but the lower limb antegrade perfusion blood flow is greatly reduced, and the lower limb ischemia symptoms are easy to occur if corresponding strategies are not implemented.
In order to avoid ischemia at the distal end of the lower limb in the conventional femoral artery intubation, a 5F or 6F intubation or a suture bypass blood vessel is often placed at a remote position of the intubation, but the treatment is time-consuming and requires additional equipment support. At present, the conventional femoral artery intubation in clinic supplies far-end lower limbs by means of small blood flow and collateral circulation around the intubation. In this case, even if the lower limb is closely observed clinically, irreversible cell damage may already occur when clinical symptoms are evident, and still cause harm to the patient.
Disclosure of Invention
In order to solve the problems that in the prior art, the intubation is time-consuming and needs equipment to support by placing the intubation at the far end of the femoral artery intubation, and the blood supply of the far-end lower limb cannot be guaranteed only by means of a small amount of blood around the intubation and collateral circulation supply, and the patient still can be injured, the utility model provides a novel far-end controllable-flow intubation.
The utility model provides a femoral artery reposition of redundant personnel intubate, includes the intubate body, the rear portion side of intubate body is provided with the side pipe, and the tip of side pipe is provided with the end cover, is provided with the shunt tubes in the side pipe, shunt tubes swing joint is inside the intubate body, this internal spacing post that is provided with a plurality of perpendicular to shunt tubes of intubate, and the front end of shunt tubes stretches out intubate body, rear end and is located intubate body outside and be connected to return blood circulation pipeline, and the rear end of intubate body is connected to blood transfusion circulation pipeline and is provided with discharge valve one, and the rear portion of shunt tubes is provided with discharge valve two.
Furthermore, the intubation tube body and the shunt tubes are both hollow hoses, and spiral steel wire rings are arranged at the front parts of the intubation tube body and the shunt tubes.
Furthermore, the side tube is a hollow tube which is obliquely connected to the rear part of the cannula body, and the end part of the side tube is connected with the end cover through threads.
Furthermore, the end cover is a circular sleeve, the inner side of the lower part of the end cover is in threaded connection with the end part of the side pipe, and the inner side of the upper part of the end cover is provided with a rubber sleeve.
Further, spacing post includes a plurality of cylinders that radially lay along intubate body inner wall, spacing post and the inside wall fixed connection of intubate body.
Furthermore, the front end of the intubation tube body is in a round table shape, the front end of the shunt tube is in a conical shape, and a plurality of through holes are formed in the side faces of the front ends of the intubation tube body and the shunt tube.
Furthermore, the rear part of the shunt pipe is provided with scales.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model comprises a cannula body and a side tube, wherein a shunt tube is movably connected in the side tube, and blood in femoral artery can flow back through the shunt tube, so that the bidirectional circulation of the blood in the femoral artery is ensured, and the condition that the far end is blocked to cause the ischemia of the far-end lower limb is avoided; the limiting column is arranged in the intubation tube body, so that the shunt tube can be conveniently inserted, and meanwhile, the limiting is provided for the shunt tube, and the shunt tube is prevented from being bent and shifted; the rear parts of the intubation tube body and the shunt tube are respectively provided with a first exhaust valve and a second exhaust valve, so that exhaust is facilitated.
The spiral steel wire rings are arranged on the front parts of the intubation tube body and the shunt tube, so that strength is provided, the pipeline is prevented from being fatigued and bent, and intubation is facilitated; the end part of the side tube is in threaded connection with an end cover, so that the side tube can be sealed, backflow blood leakage is prevented, and the shunt tube is convenient to fix; a gap is formed between the limiting column and the inner wall of the intubation tube body, so that blood transfusion is facilitated; the front ends of the cannula body and the shunt pipe are provided with a plurality of through holes, so that blood transfusion and blood return are facilitated, a pressure reducing effect is achieved, and the pressure of femoral artery blood vessels and the cannula body is reduced; the rear portion of shunt tubes is provided with the scale, conveniently observes the depth of insertion, and the medical personnel of being convenient for control the position of shunt tubes tip.
Drawings
Fig. 1 is a first structural schematic diagram of a femoral artery shunt cannula of the utility model.
Fig. 2 is a schematic structural diagram II of a femoral artery shunt cannula of the utility model.
Fig. 3 is a schematic structural view of a cannula body of a femoral artery shunt cannula of the utility model.
Fig. 4 is a schematic structural view of a side tube of a femoral artery shunt cannula of the present invention.
Fig. 5 is a schematic structural view of an end cap of a femoral artery shunt cannula of the utility model.
Fig. 6 is a schematic structural view of a spacing column of a femoral artery shunt cannula according to the utility model.
The reference numbers are: the intubation tube comprises an intubation tube body 1, a side tube 2, an end cover 3, a shunt tube 4, a limiting column 5, a first exhaust valve 6 and a second exhaust valve 7.
Detailed Description
The utility model will be further explained with reference to the following figures and specific examples:
as shown in fig. 1 to 5, a femoral artery shunt cannula includes a cannula body 1, a side tube 2 is arranged on a side surface of a rear portion of the cannula body 1, the side tube 2 is a hollow tube obliquely connected to the rear portion of the cannula body 1, a plurality of long grooves are vertically arranged at a end portion of the side tube 2, an end cover 3 is connected to an outer side of each long groove through a thread, the end cover 3 is a circular sleeve, an inner side of a lower portion of the end cover 3 is connected to the end portion of the side tube 2 through a thread, and an inner side of an upper portion of the end cover 3 is provided with a rubber sleeve.
4 swing joint of shunt tubes is inside intubate body 1, the front end of intubate body 1 is the round platform shape, and the front end of shunt tubes 4 is conical, the rear portion is provided with the scale, and intubate body 1 and shunt tubes 4's front end side all is provided with a plurality of through-holes, is provided with the spacing post 5 of a plurality of perpendicular to shunt tubes 4 in the intubate body 1, spacing post 5 includes a plurality of cylinders that radially lay along intubate body 1 inner wall, spacing post 5 and intubate body 1's inside wall fixed connection, and intubate body 1 is stretched out to shunt tubes 4's front end, and the rear end is located intubate body 1 outside and is connected to the blood return circulation pipeline, and intubate body 1's rear end is connected to blood transfusion circulation pipeline and is provided with discharge valve 6, and shunt tubes 4's rear portion is provided with two 7.
When the femoral artery puncture cannula is used, a worker needs to install the shunt tube 4 into the cannula body 1 before femoral artery puncture, specifically, the end cover 3 is unscrewed, the shunt tube 4 is inserted into the side tube 2, the shunt tube 4 is inserted into the end part of the shunt tube 4 through the side tube 2 and extends out of the cannula body 1 for a certain length, the specific length is measured according to actual conditions, the worker observes according to the scale of the rear end of the shunt tube 4, then the end cover 3 is screwed down, the end cover 3 extrudes the end part of the side tube 2 in the screwing process, the shunt tube 4 is tightly clamped and fixed by the side tube 2 without shrinkage, then cannula insertion is performed, the front end of the shunt tube 4 firstly enters the femoral artery blood vessel in the cannula process, and the femoral artery blood vessel can be better divided due to the conical front end of the shunt tube 4, and the cannula insertion is convenient to perform.
After the cannula main body is inserted into a femoral artery blood vessel and fixed, opening a first exhaust valve 6 and a second exhaust valve 7 to exhaust 5, and enabling blood return in the cannula main body 1 and the shunt tube 4 to indicate that the front ends of the cannula main body 1 and the shunt tube 4 are both positioned in the blood vessel, so that blood transfusion can be performed; the insertion position or depth needs to be adjusted to ensure that blood returns exist in the two tubes, and the extracorporeal blood perfusion device can be connected for blood transfusion; specifically, the worker unscrews the end cover 3 and then adjusts the insertion depth of the shunt tube 4, and then screws the shunt tube again after blood returns from the shunt tube.
In the process of blood transfusion, blood input by the blood transfusion circulating pipeline enters a patient body along the cannula body 1, flows in the cannula body 1 by bypassing the limiting column 5 until a hole at the end part of the cannula body 1 flows out, and is perfused in an antegrade manner, meanwhile, part of femoral artery blood can enter the shunt pipe 4 along the hole at the end part of the shunt pipe 4 and finally enters the blood returning circulating pipeline, so that the circulation of the blood is realized, and the occurrence of ischemia symptoms at the far end of lower limbs is avoided.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.
Claims (7)
1. The utility model provides a femoral artery reposition of redundant personnel intubate, includes intubate body (1), its characterized in that, the rear portion side of intubate body (1) is provided with side tube (2), and the tip of side tube (2) is provided with end cover (3), is provided with shunt tubes (4) in side tube (2), shunt tubes (4) swing joint is inside intubate body (1), is provided with spacing post (5) of a plurality of perpendicular to shunt tubes (4) in intubate body (1), and the front end of shunt tubes (4) stretches out intubate body (1), and the rear end is located intubate body (1) outside and is connected to the blood return circulation pipeline, and the rear end of intubate body (1) is connected to the blood transfusion circulation pipeline and is provided with discharge valve (6), and the rear portion of shunt tubes (4) is provided with discharge valve two (7).
2. The femoral artery bypass cannula according to claim 1, characterized in that the cannula body (1) and the bypass pipe (4) are hollow hoses, and the front parts of the cannula body (1) and the bypass pipe (4) are provided with spiral steel wire rings.
3. A femoral artery bypass cannula according to claim 1, characterized in that the side tube (2) is a hollow tube obliquely connected to the rear part of the cannula body (1), and the end of the side tube (2) is connected with the end cap (3) through screw thread.
4. The femoral artery bypass cannula according to claim 3, characterized in that the end cap (3) is a circular sleeve, the inner side of the lower part of the end cap (3) is connected with the thread of the end part of the side tube (2), and the inner side of the upper part is provided with a rubber sleeve.
5. The femoral artery bypass cannula according to claim 1, characterized in that the limiting column (5) comprises a plurality of cylinders radially arranged along the inner wall of the cannula body (1), and the limiting column (5) is fixedly connected with the inner side wall of the cannula body (1).
6. The femoral artery bypass cannula according to claim 1, wherein the front end of the cannula body (1) is in a cone shape, the front end of the bypass pipe (4) is in a cone shape, and a plurality of through holes are formed in the side faces of the front ends of the cannula body (1) and the bypass pipe (4).
7. The femoral artery bypass cannula according to claim 1, wherein the rear part of the bypass tube (4) is provided with a scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120480300.XU CN216934417U (en) | 2021-03-05 | 2021-03-05 | Femoral artery shunt intubation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120480300.XU CN216934417U (en) | 2021-03-05 | 2021-03-05 | Femoral artery shunt intubation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216934417U true CN216934417U (en) | 2022-07-12 |
Family
ID=82288576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120480300.XU Expired - Fee Related CN216934417U (en) | 2021-03-05 | 2021-03-05 | Femoral artery shunt intubation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216934417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117244166A (en) * | 2023-10-13 | 2023-12-19 | 江苏赛腾医疗科技有限公司 | Self-sealing type shunt cannula |
-
2021
- 2021-03-05 CN CN202120480300.XU patent/CN216934417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117244166A (en) * | 2023-10-13 | 2023-12-19 | 江苏赛腾医疗科技有限公司 | Self-sealing type shunt cannula |
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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: 20220712 |