CN216496978U - ECMO arteriopuncture anticreep pipe - Google Patents
ECMO arteriopuncture anticreep pipe Download PDFInfo
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- CN216496978U CN216496978U CN202122482021.XU CN202122482021U CN216496978U CN 216496978 U CN216496978 U CN 216496978U CN 202122482021 U CN202122482021 U CN 202122482021U CN 216496978 U CN216496978 U CN 216496978U
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Abstract
The utility model discloses an ECMO arterial puncture anti-drop catheter which is characterized by comprising: a catheter main body, a balloon catheter; the air bag catheter is connected to the tail end of the catheter main body, an air bag is arranged on the periphery of the bottom of the catheter main body, the tracheal catheter is communicated with the air bag, and elastic rubber rings which completely cover the air bag are arranged at the upper part and the lower part of the air bag of the catheter main body; this vascular pipe has abandoned the anticreep of card lamella formula, carry and draw the structure, the gasbag that the inflation popped out has been designed at its periphery, after the pipe inserts the blood vessel, aerify in this gasbag, the gasbag expands around the pipe, increase the diameter at this position, make it be greater than the diameter of blood vessel puncture hole, thereby the chucking is at the vascular inner wall, realize the omnidirectional pipe anticreep, compare in traditional card lamella formula, need not adjust its position wantonly, the anticreep can be realized to arbitrary position, even if the pipe activity at the in-process of operation, the risk of takeoff also does not have, it is more convenient wholly to use the operation, the use is more stable.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to an ECMO arterial puncture anti-drop catheter.
Background
The core part of the extracorporeal membrane lung oxygenation (ECMO) is a membrane lung (artificial lung) and a blood pump (artificial heart), so that long-time cardiopulmonary support can be performed on patients with severe cardiopulmonary failure, and valuable time is won for critical rescue. Mainly comprises an intravascular catheter, a connecting pipe, a power pump (artificial heart), an oxygenator (artificial lung), an oxygen supply pipe, a monitoring system and the like. And the power pump (artificial heart) provides power to drive the blood to flow in the pipeline. The ECMO is operated, the blood is led out from the vein, oxygenated by the membrane lung and discharged with carbon dioxide, and the oxygenated blood can be returned to the vein (V-V transition flow) and also returned to the artery (V-A transition flow).
The local blood vessel at the inlet of the catheter is usually partially collapsed, so that the cavity is narrowed, the blood transportation at the far end is influenced, and limb necrosis can be seriously caused; for this reason, vascular catheters with snap-flaps have been designed in the prior art; however, the following disadvantages still exist:
this vascular pipe of card lamella formula, when putting into the blood vessel, accessible unilateral card lamella is carried the puncture position and is drawn for its blood vessel is not excessively oppressed the shutoff, guarantees the unobstructed of its blood circulation, however, this card lamella position is difficult to the accuse, the operational difficulties, and easy slippage leads to unexpected the emergence, seriously threatens patient life safety.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model designs an ECMO arterial puncture anti-drop catheter, the vascular catheter abandons a clamping flap type anti-drop and pulling structure, an inflatable and ejecting air bag is designed on the periphery of the vascular catheter, when the catheter is inserted into a blood vessel, the air bag is inflated in the air bag, the air bag expands around the catheter, the diameter of the part is increased, and the part is larger than the diameter of a puncture hole of the blood vessel, so that the part is clamped on the inner wall of the blood vessel, and the catheter is prevented from dropping off in all directions; compared with the traditional clamping flap type catheter, the anti-falling catheter has the advantages that the position of the catheter does not need to be adjusted intentionally, the anti-falling catheter can be prevented from falling off in any direction, the risk of tube falling is avoided even if the catheter moves in the operation process, the whole use and operation are more convenient, and the use process is more stable; meanwhile, the upper part and the lower part of the outer side of the air bag of the blood vessel catheter are also provided with elastic rubber rings, and the air bag is coated in the rubber rings, so that the convex part is transited on one hand to facilitate the insertion of the blood vessel, and the air bag is restrained on the other hand; the air bag part is the bent part of the puncture blood vessel of the catheter, the air bag is flexible, when the air bag is inflated, under the pressure action of the elastic rubber ring, the air bag protrudes more to the bent outer side of the catheter, and the other side is opposite; therefore, the convex part of the air bag at the outer side of the bent catheter can fully support the blood vessel compression part of the bent catheter, the catheter compression is avoided, the smooth blood circulation is ensured, and compared with the lifting of the clamping valve, the lifting coverage area of the air bag is wider and more stable; secondly, in order to improve the smoothness of blood circulation of the blood vessel catheter, the lower part of the air bag is provided with a drainage hole, so that the blood pressure circulation behind the catheter is ensured.
In order to achieve the technical effects, the utility model is realized by the following technical scheme: an ECMO arteriopuncture anti-drop catheter, comprising: a catheter body, a balloon catheter;
the air bag catheter is connected to the tail end of the catheter main body, an air bag is arranged on the periphery of the bottom of the catheter main body, the tracheal catheter is communicated with the air bag, and elastic rubber rings which completely cover the air bag are arranged at the upper part and the lower part of the air bag of the catheter main body;
furthermore, the lower part of the air bag of the catheter main body is also provided with a drainage hole which does not surround the whole catheter main body, and the position of the outer surface of the tail end of the catheter main body, which is aligned with the drainage hole, is provided with a position mark;
furthermore, the elastic rubber ring and the catheter main body are designed into a whole, a cavity is reserved between the elastic rubber ring and the catheter main body, and the air bag is arranged in the cavity and fixedly connected to the periphery of the catheter main body;
furthermore, the end of the air bag conduit is provided with a one-way valve body for inflating and deflating the air bag;
the utility model has the beneficial effects that:
1. the vascular catheter abandons a clamping flap type anti-falling and pulling structure, an inflatable and ejecting air bag is designed on the periphery of the vascular catheter, when the catheter is inserted into a blood vessel, the air bag is inflated in the air bag, the air bag expands around the catheter, the diameter of the part is increased, and the diameter of the part is larger than that of a puncture hole of the blood vessel, so that the catheter is clamped on the inner wall of the blood vessel, and the catheter is prevented from falling off in all directions; compared with the traditional clamping flap type catheter, the anti-falling catheter has the advantages that the position of the catheter does not need to be adjusted intentionally, the anti-falling catheter can be prevented from falling off in any direction, the risk of tube falling is avoided even if the catheter moves in the operation process, the whole use and operation are more convenient, and the use process is more stable;
2. the blood vessel catheter is also provided with elastic rubber rings at the upper part and the lower part outside the air bag, and the air bag is coated in the rubber rings, so that the convex part is transited to facilitate the insertion of the blood vessel, and the restraining air bag is arranged on the other hand; the air bag part is the bent part of the puncture blood vessel of the catheter, the air bag is flexible, when the air bag is inflated, under the pressure action of the elastic rubber ring, the air bag protrudes more to the bent outer side of the catheter, and the other side is opposite;
3. the convex part of the air bag at the outer side of the bent catheter can fully support the blood vessel compression part of the bent catheter, so that the catheter compression is avoided, the smooth blood circulation is ensured, and compared with the lifting of the clamping valve, the lifting coverage area of the air bag is wider and more stable; secondly, in order to improve the smoothness of blood circulation of the blood vessel catheter, the lower part of the air bag is provided with a drainage hole, so that the blood pressure circulation behind the catheter is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an ECMO arterial puncture anti-drop catheter;
FIG. 2 is a front view of an ECMO arterial puncture anti-detachment catheter;
FIG. 3 is a side view of an ECMO arterial puncture anti-detachment catheter;
FIG. 4 is an enlarged partial schematic view of portion 3 of FIG. 2;
in the drawings, the components represented by the respective reference numerals are listed below:
1-catheter main body, 101-balloon, 102-elastic rubber ring, 103-drainage hole, 104-position mark, 2-balloon catheter and 201-one-way valve body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, an ECMO arterial puncture anti-drop catheter is characterized by comprising: a catheter main body 1, a balloon catheter 2;
the air bag catheter 2 is connected to the tail end of the catheter main body 1, an air bag 101 is arranged on the periphery of the bottom of the catheter main body 1, the tracheal catheter 2 is communicated with the air bag 101, and elastic rubber rings 102 which completely cover the air bag 101 are arranged at the upper part and the lower part of the air bag 101 of the catheter main body 1;
after the catheter main body 1 is inserted into a blood vessel, the air bag 101 is inflated through the air bag catheter 2, the air bag 101 expands around the catheter main body 1 and protrudes out of the periphery of the catheter main body 1 to be clamped at a puncture of the blood vessel in an all-round way, clamping is more stable, the position of the catheter main body is not required to be adjusted during operation, the use is more convenient, and the operation efficiency of placing the catheter is higher;
the balloon 101 is bound by two elastic rubber rings 102, which are intended to make a smooth transition (as shown in fig. 1) for easy insertion into a blood vessel; meanwhile, the part of the air bag 101 is the bending part when the catheter main body 1 punctures the blood vessel, when the air bag 101 is inflated, under the elastic constraint of the elastic rubber ring 102, the air bag 101 protrudes more outside the bending part of the catheter main body 1, and the other side is opposite, so that the protruding part of the air bag outside the bending part of the catheter can fully support the blood vessel compression part, the catheter compression is avoided, the smooth blood transportation is ensured, and compared with the lifting of the clamping valve, the lifting coverage area of the air bag is wider and more stable;
the lower part of the air bag 101 of the catheter main body 1 is also provided with a drainage hole 103 which does not surround the whole catheter main body 1, and the position of the outer surface of the tail end of the catheter main body 1, which is aligned with the drainage hole 103, is provided with a position mark 104; the drainage holes 103 facilitate the blood transportation of the main catheter body 1 to the rear part thereof, so that the blood transportation quality is ensured, and the design of the annular multiple holes improves the smoothness of the blood transportation of the whole device; the position mark 104 is designed to facilitate medical staff to distinguish the position of the drainage hole 103 at the vascular catheter part outside the human body, so that the medical staff can be ensured to be always positioned behind the catheter main body 1 for blood circulation;
the elastic rubber ring 102 and the catheter main body 1 are designed into a whole, a cavity is reserved between the elastic rubber ring and the catheter main body 1, and the air bag 101 is arranged in the cavity and fixedly connected to the periphery of the catheter main body 1;
the end of the balloon catheter 2 is provided with a one-way valve body 201 for inflating and deflating the balloon 101.
Example 2
The embodiment is a specific use method and steps of an ECMO arterial puncture anti-drop catheter:
1. heparinization treatment was performed relative to the whole device.
2. On the basis of the prior art, the catheter body 1 is punctured into a blood vessel.
3. The balloon 101 is inflated by the check valve body 201 of the balloon catheter 2.
4. The whole catheter main body 1 is pulled outwards until the part of the balloon 101 is just clamped at the puncture of the blood vessel.
In conclusion, 1, the vascular catheter abandons a clamping-flap anti-falling and pulling structure, an inflatable and ejecting air bag is designed on the periphery of the vascular catheter, when the catheter is inserted into a blood vessel, the air bag is inflated, the air bag expands around the catheter, the diameter of the part is increased, and the part is larger than the diameter of a puncture hole of the blood vessel, so that the catheter is clamped on the inner wall of the blood vessel, and the catheter is prevented from falling off in all directions; compared with the traditional clamping flap type catheter, the anti-falling catheter has the advantages that the position of the catheter does not need to be adjusted intentionally, the anti-falling catheter can be prevented from falling off in any direction, the risk of tube falling is avoided even if the catheter moves in the operation process, the whole use and operation are more convenient, and the use process is more stable;
2. the blood vessel catheter is also provided with elastic rubber rings at the upper part and the lower part outside the air bag, and the air bag is coated in the rubber rings, so that the convex part is transited to facilitate the insertion of the blood vessel, and the restraining air bag is arranged on the other hand; the air bag part is the bent part of the puncture blood vessel of the catheter, the air bag is flexible, when the air bag is inflated, under the pressure action of the elastic rubber ring, the air bag protrudes more to the bent outer side of the catheter, and the other side is opposite;
3. the convex part of the air bag at the outer side of the bent catheter can fully support the blood vessel compression part of the bent catheter, so that the catheter compression is avoided, the smooth blood circulation is ensured, and compared with the lifting of the clamping valve, the lifting coverage area of the air bag is wider and more stable; secondly, in order to improve the smoothness of blood circulation of the blood vessel catheter, the lower part of the air bag is provided with a drainage hole, so that the blood pressure circulation behind the catheter is ensured.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. An ECMO arteriopuncture anti-drop catheter, comprising: a catheter body, a balloon catheter;
the air bag catheter is connected to the tail end of the catheter main body, an air bag is arranged on the periphery of the bottom of the catheter main body, the tracheal catheter is communicated with the air bag, and elastic rubber rings which completely cover the air bag are arranged at the upper part and the lower part of the air bag of the catheter main body.
2. The ECMO arterial puncture anti-drop catheter according to claim 1, wherein the lower portion of the balloon of the catheter body is further provided with a drainage hole which does not encircle the whole catheter body, and a position mark is arranged at the position where the outer surface of the tail end of the catheter body is aligned with the drainage hole.
3. The ECMO arterial puncture anti-drop catheter according to claim 1, wherein the elastic rubber ring and the catheter main body are designed as a whole, a cavity is left between the elastic rubber ring and the catheter main body, and the air bag is arranged in the cavity and fixedly connected to the periphery of the catheter main body.
4. The ECMO arterial puncture anti-detachment catheter according to claim 1, wherein the balloon catheter tip is provided with a one-way valve body for inflating and deflating the balloon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482021.XU CN216496978U (en) | 2021-10-15 | 2021-10-15 | ECMO arteriopuncture anticreep pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482021.XU CN216496978U (en) | 2021-10-15 | 2021-10-15 | ECMO arteriopuncture anticreep pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216496978U true CN216496978U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122482021.XU Active CN216496978U (en) | 2021-10-15 | 2021-10-15 | ECMO arteriopuncture anticreep pipe |
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| Country | Link |
|---|---|
| CN (1) | CN216496978U (en) |
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2021
- 2021-10-15 CN CN202122482021.XU patent/CN216496978U/en active Active
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