CN218944124U - Special intravenous catheter for pulmonary subventricular (CPR) after open surgery - Google Patents
Special intravenous catheter for pulmonary subventricular (CPR) after open surgery Download PDFInfo
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- CN218944124U CN218944124U CN202222188016.2U CN202222188016U CN218944124U CN 218944124 U CN218944124 U CN 218944124U CN 202222188016 U CN202222188016 U CN 202222188016U CN 218944124 U CN218944124 U CN 218944124U
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Abstract
The utility model relates to a special venous catheter for post-operation of ventricular open implantation under a pulmonary artery, wherein the right pulmonary artery catheter comprises a right main pulmonary artery catheter and a right pulmonary extension catheter, the left pulmonary artery catheter comprises a left main pulmonary artery catheter and a left pulmonary extension catheter, the head end of the right pulmonary extension catheter and the head end of the left pulmonary extension catheter are both provided with interfaces, side channels are arranged in the inner walls of the two sides of the main vena cava catheter of an upper vena cava catheter and a lower vena cava catheter, the right main pulmonary artery catheter and the left main pulmonary artery catheter are respectively arranged in the corresponding side channels, the tail ends of the right main pulmonary artery catheter and the left main pulmonary artery catheter extend out from between an upper cavity blocking drainage part and a lower cavity blocking drainage part of the upper vena cava catheter, the tail end of the right main pulmonary artery catheter is provided with a right pulmonary artery wedge pressure air bag, and the tail end of the left main pulmonary artery catheter is provided with a left pulmonary artery wedge pressure air bag. The utility model can monitor the parameters of the superior and inferior vena cava and the pulmonary artery in real time to assist the ICU treatment after the Fontan operation, and can be connected with ECMO to establish in-vitro life support when the circulation instability occurs after the operation of the patient.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a special intravenous catheter for a pulmonary subarterial ventricular (CPR) after an open operation.
Background
The upper and lower vena cava catheter is a medical apparatus commonly used in heart operation, and is mainly used for introducing blood in the heart into an extracorporeal circulation machine through an intravenous drainage tube and an upper and lower vena cava in extracorporeal circulation operation. The Chinese patent with publication No. CN111743594A discloses a vena cava blood flow blocking balloon catheter device, which comprises a catheter, a balloon, a vena cava drainage tube and other structures, the Chinese patent with publication No. CN206391347U discloses a vena cava drainage tube with double blocking cuffs, which comprises an upper conical cuff, a lower conical cuff, a liquid filling joint and other structures, the Chinese patent with publication No. CN207136838U discloses a left atrial pulmonary artery central vein combined pressure measuring catheter, which comprises a double-cavity catheter, a epidural catheter and other structures, and the Chinese patent with publication No. CN215505062U discloses a minimally invasive vena cava drainage catheter and a coronary sinus drainage catheter, which is provided with side tubes on the vena drainage tubes in the middle of the upper vena cava blocking balloon and the lower vena blocking balloon.
The subpulmonary ventricular (ventricular) is also called Fontan surgery, which is the most widely used operation type for treating functional single ventricle clinically at present, but ICU treatment after Fontan surgery is difficult to treat and lacks pertinence due to lack of accurate hemodynamic indexes, especially for patients with early postoperative circulatory instability, but the support effect of the current in vitro life support Equipment (ECMO) is poor in both V-V and V-A modes, so that the method has important clinical significance if Sup>A special intravenous catheter for patients after Fontan surgery can be designed.
Disclosure of Invention
The utility model aims to provide a special venous catheter for pulmonary artery subventricular (CPR) after open surgery, which can monitor parameters such as pressures of an upper vena cava, a lower vena cava and a pulmonary artery in real time, and can be connected with ECMO to establish in-vitro life support when circulation instability occurs after the surgery of a patient, so that the patient can safely pass through a dangerous period.
The aim of the utility model is realized by the following technical scheme:
the utility model provides a special intravenous catheter of open postoperation of pulmonary artery lower ventricle, includes upper and lower vena cava pipe, upper and lower vena cava pipe includes vena cava main catheter and vena cava extension pipe, just vena cava extension pipe head end is equipped with vena cava blood interface and vena cava infusion interface, vena cava main catheter end is equipped with upper chamber and blocks drainage portion and lower chamber and blocks drainage portion, including right pulmonary artery pipe and left pulmonary artery pipe, wherein right pulmonary artery pipe includes right pulmonary main catheter and right pulmonary extension pipe, and right pulmonary extension pipe is connected with right pulmonary main catheter head end, left pulmonary artery pipe includes left pulmonary main catheter and left pulmonary extension pipe, and left pulmonary extension pipe is connected with left pulmonary main catheter head end, right pulmonary extension pipe head end and left pulmonary extension pipe head end all are equipped with the interface, all be equipped with the side channel in the vena cava main catheter both sides inner wall, right pulmonary main catheter and left pulmonary main catheter are located respectively in the side channel that corresponds, and right pulmonary main catheter tail end and left pulmonary main catheter tail end are equipped with left pulmonary main catheter by the vena cava main catheter between upper chamber and the lower chamber and the drainage portion, right pulmonary main catheter tail end is equipped with right pulmonary main catheter tail end and left pulmonary main end is equipped with left pulmonary artery pressure wedge pressure air bag.
The right lung leading pipe head end is connected with a right lung first extension pipe and a right lung second extension pipe, wherein the right lung first extension pipe head end is provided with a right pulmonary artery infusion interface, the right lung second extension pipe head end is provided with a right pulmonary artery wedge air bag interface, the right lung leading pipe tail end is provided with a first through hole, the first through hole is correspondingly communicated with the right pulmonary artery infusion interface, and the right pulmonary artery wedge air bag is correspondingly communicated with the right pulmonary artery wedge air bag interface.
The left lung leading pipe head end is connected with a left lung first extension pipe and a left lung second extension pipe, wherein the left lung first extension pipe head end is provided with a left lung artery infusion interface, the left lung second extension pipe head end is provided with a left lung artery wedge air bag interface, the left lung leading pipe tail end is provided with a second through hole, the second through hole is correspondingly communicated with the left lung artery infusion interface, and the left lung artery wedge air bag is correspondingly communicated with the left lung artery wedge air bag interface.
The vena cava main catheter is connected with the vena cava extension catheter through the fixed connector, and guide channels are arranged on two sides of the inside of the fixed connector.
The upper cavity blocking drainage part and the lower cavity blocking drainage part are both provided with a liquid filling sleeve sac and a drainage through hole.
The utility model has the advantages and positive effects that:
1. the utility model uses the upper and lower vena cava catheters to measure the internal pressure of the upper and lower vena cava and convey liquid, and uses the left and right pulmonary artery catheters to measure the internal pressure of the pulmonary artery, wedge pressure and other parameters, thus being capable of effectively assisting the ICU treatment after Fontan operation.
2. The utility model can be applied to the establishment of extracorporeal life support when the circulation instability occurs after the operation of a patient, wherein blood is sucked out by the upper and lower vena cava catheters serving as main pipelines, the left pulmonary artery catheters and the right pulmonary artery catheters at two sides are used as branch pipelines for inputting and establishing the extracorporeal life support, and the circulation power support only needs 5-10 mmHg pressure assistance, so that the venous catheter can be completely completed, and the patient can safely pass through a dangerous period.
Drawings
Figure 1 is a schematic view of the structure of the present utility model,
fig. 2 is a schematic diagram of the right pulmonary artery catheter in fig. 1.
Wherein 1 is an upper and lower vena cava catheter, 101 is a vena cava extension catheter, 102 is a vena cava blood interface, 103 is a vena cava infusion interface, 104 is an upper lumen blocking drainage portion, 105 is a lower lumen blocking drainage portion, 106 is a fixed joint, 2 is a right pulmonary artery catheter, 201 is a right pulmonary artery first extension catheter, 2011 is a right pulmonary artery infusion interface, 202 is a right pulmonary artery second extension catheter, 2021 is a right pulmonary artery wedge balloon interface, 203 is a right pulmonary artery wedge balloon, 3 is a left pulmonary artery catheter, 301 is a left pulmonary artery first extension catheter, 3011 is a left pulmonary artery infusion interface, 302 is a left pulmonary artery second extension catheter, 3021 is a left pulmonary artery wedge balloon interface, and 303 is a left pulmonary artery wedge balloon.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-2, the present utility model includes an upper and lower vena cava catheter 1, a right pulmonary artery catheter 2 and a left pulmonary artery catheter 3, wherein the upper and lower vena cava catheter 1 includes a vena cava main catheter and a vena cava extension catheter 101, the vena cava extension catheter 101 is connected with the vena cava main catheter head end, the head end of the vena cava extension catheter 101 is provided with a vena cava blood interface 102 and a vena cava infusion interface 103, the tail end of the vena cava main catheter is provided with an upper vena cava blocking drainage portion 104 and a lower vena cava blocking drainage portion 105, the upper vena blocking drainage portion 104 and the lower vena cava blocking drainage portion 105 are both provided with a liquid filling sleeve and a drainage through hole, which is a well known technology in the art, for example, the vena cava catheter structure in the patent with the publication number of CN206391347U is authorized, the right pulmonary artery catheter 2 includes a right main catheter and a right pulmonary extension catheter, the left pulmonary artery catheter 3 includes a left pulmonary main catheter and a left pulmonary extension catheter, the left pulmonary extension catheter is connected with the right pulmonary artery main catheter head end, the left pulmonary extension catheter head end is connected with the pulmonary artery main catheter, the pulmonary artery main catheter tail end, the pulmonary artery extension catheter tail end is provided with a left pulmonary artery head end, the pulmonary artery end and the pulmonary artery end is provided with a vena blocking drainage portion 203, the pulmonary artery end is provided with a side of the main catheter and the right pulmonary artery end is provided with a sealing channel, and the right pulmonary artery 1 and the pulmonary artery end is provided with a sealing channel and the sealing channel is provided with the sealing and the sealing channel.
As shown in fig. 1-2, the right pulmonary primary catheter head end is connected with a right pulmonary primary extension catheter 201 and a right pulmonary secondary extension catheter 202, wherein the right pulmonary primary extension catheter 201 head end is provided with a right pulmonary artery infusion interface 2011, the right pulmonary secondary extension catheter 202 head end is provided with a right pulmonary artery wedge air bag interface 2021, the right pulmonary primary catheter tail end is provided with a first through hole through which liquid flows in addition to the right pulmonary artery wedge air bag 203, the first through hole is correspondingly communicated with the right pulmonary artery infusion interface 2011, and the right pulmonary artery wedge air bag 203 is correspondingly communicated with the right pulmonary artery wedge air bag interface 2021.
As shown in fig. 1-2, the head end of the left pulmonary master tube is connected with a first left pulmonary extension catheter 301 and a second left pulmonary extension catheter 302, wherein the head end of the first left pulmonary extension catheter 301 is provided with a left pulmonary artery infusion interface 3011, the head end of the second left pulmonary extension catheter 302 is provided with a left pulmonary artery wedge air bag interface 3021, the tail end of the left pulmonary master tube is provided with a second through hole for liquid to flow through in addition to the left pulmonary artery wedge air bag 303, the second through hole is correspondingly communicated with the left pulmonary artery infusion interface 3011, and the left pulmonary artery wedge air bag 303 is correspondingly communicated with the left pulmonary artery wedge air bag interface 3021.
As shown in fig. 1, the head end of the vena cava main catheter is provided with a conical fixing joint 106, the vena cava main catheter is connected with the vena cava extension catheter 101 through the fixing joint 106, and guide channels are arranged on two inner sides of the fixing joint 106 and used for guiding the penetration of a right main pulmonary catheter and a left main pulmonary catheter. The fixed joint 106 construction is well known in the art.
The working principle of the utility model is as follows:
the utility model relates to a special intravenous catheter after Fontan circulation operation, wherein the vena cava main catheter of an upper vena cava catheter 1 and a lower vena cava main catheter are adjusted to the optimal placement position in operation, and a right pulmonary artery catheter 2 and a left pulmonary artery catheter 3 are respectively placed in left and right pulmonary arteries in operation. The upper and lower vena cava catheter 1 has the functions of measuring the internal pressure of an upper vena cava and delivering liquid, the left and right pulmonary artery catheters 3 and 2 have the functions of measuring the internal pressure of a pulmonary artery and the wedge pressure (the realization of an arterial wedge air bag), and can also realize the functions of reducing the resistance of the pulmonary artery for targeted medication therapy (the realization of an infusion interface), and the like.
Claims (5)
1. The utility model provides a special intravenous catheter of open postoperation of ventricular under pulmonary artery, includes upper and lower vena cava pipe, upper and lower vena cava pipe includes vena cava main catheter and vena cava extension pipe, just vena cava extension pipe head end is equipped with vena cava blood interface and vena cava infusion interface, vena cava main catheter end is equipped with the upper chamber and blocks drainage portion and lower chamber and block drainage portion, its characterized in that: including right pulmonary artery pipe (2) and left pulmonary artery pipe (3), wherein right pulmonary artery pipe (2) include right pulmonary artery main pipe and right pulmonary artery pipe, and right pulmonary artery pipe is connected with right pulmonary artery main pipe head end, left pulmonary artery pipe (3) include left pulmonary artery main pipe and left pulmonary artery pipe, and left pulmonary artery pipe is connected with left pulmonary artery main pipe head end, right pulmonary artery pipe head end and left pulmonary artery pipe head end all are equipped with the interface, all be equipped with the side channel in the vena cava main pipe both sides inner wall, right pulmonary artery main pipe and left pulmonary artery main pipe locate respectively in the side channel that corresponds, and right pulmonary artery main pipe tail end and left pulmonary artery main pipe tail end are blocked the vena cava main pipe between drainage portion (104) and lower chamber and are stretched out, right pulmonary artery main pipe tail end is equipped with right pulmonary artery wedge gas bag (203), left pulmonary artery main pipe tail end is equipped with left pulmonary artery wedge gas bag (303).
2. The pulmonary subventricular post-procedure dedicated intravenous catheter of claim 1, wherein: the right lung leading pipe head end is connected with a right lung first extension pipe (201) and a right lung second extension pipe (202), wherein the right lung first extension pipe (201) head end is provided with a right pulmonary artery infusion interface (2011), the right lung second extension pipe (202) head end is provided with a right pulmonary artery wedge air bag interface (2021), the right lung leading pipe tail end is provided with a first through hole, and the first through hole is correspondingly communicated with the right pulmonary artery infusion interface (2011), and the right pulmonary artery wedge air bag (203) is correspondingly communicated with the right pulmonary artery wedge air bag interface (2021).
3. The pulmonary subventricular post-procedure dedicated intravenous catheter of claim 1, wherein: the left lung leading pipe head end is connected with a left lung first extension pipe (301) and a left lung second extension pipe (302), wherein the left lung first extension pipe (301) head end is provided with a left pulmonary artery infusion interface (3011), the left lung second extension pipe (302) head end is provided with a left pulmonary artery wedge air bag interface (3021), the left lung leading pipe tail end is provided with a second through hole, the second through hole is correspondingly communicated with the left pulmonary artery infusion interface (3011), and the left pulmonary artery wedge air bag (303) is correspondingly communicated with the left pulmonary artery wedge air bag interface (3021).
4. The pulmonary subventricular post-procedure dedicated intravenous catheter of claim 1, wherein: the vena cava main catheter is connected with the vena cava extension catheter (101) through the fixed connector (106), and guide channels are arranged on two sides of the inside of the fixed connector (106).
5. The pulmonary subventricular post-procedure dedicated intravenous catheter of claim 1, wherein: the upper cavity blocking drainage part (104) and the lower cavity blocking drainage part (105) are respectively provided with a liquid filling sleeve sac and a drainage through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222188016.2U CN218944124U (en) | 2022-08-19 | 2022-08-19 | Special intravenous catheter for pulmonary subventricular (CPR) after open surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222188016.2U CN218944124U (en) | 2022-08-19 | 2022-08-19 | Special intravenous catheter for pulmonary subventricular (CPR) after open surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218944124U true CN218944124U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222188016.2U Active CN218944124U (en) | 2022-08-19 | 2022-08-19 | Special intravenous catheter for pulmonary subventricular (CPR) after open surgery |
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| Country | Link |
|---|---|
| CN (1) | CN218944124U (en) |
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2022
- 2022-08-19 CN CN202222188016.2U patent/CN218944124U/en active Active
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