CN213312288U - Multipurpose miniaturized minimally invasive extracorporeal circulation pipeline - Google Patents
Multipurpose miniaturized minimally invasive extracorporeal circulation pipeline Download PDFInfo
- Publication number
- CN213312288U CN213312288U CN202021398050.7U CN202021398050U CN213312288U CN 213312288 U CN213312288 U CN 213312288U CN 202021398050 U CN202021398050 U CN 202021398050U CN 213312288 U CN213312288 U CN 213312288U
- Authority
- CN
- China
- Prior art keywords
- drainage
- blood
- pump
- patient
- pipeline
- 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.)
- Active
Links
- 230000004087 circulation Effects 0.000 title claims abstract description 35
- 239000008280 blood Substances 0.000 claims abstract description 67
- 210000004369 blood Anatomy 0.000 claims abstract description 67
- 210000001367 artery Anatomy 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 19
- 230000017531 blood circulation Effects 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 210000005245 right atrium Anatomy 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 8
- 210000003462 vein Anatomy 0.000 claims description 6
- 238000007675 cardiac surgery Methods 0.000 abstract description 7
- 210000004204 blood vessel Anatomy 0.000 abstract description 5
- 230000037452 priming Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000002216 heart Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010051093 Cardiopulmonary failure Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010066901 Treatment failure Diseases 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model discloses a multipurpose miniaturized minimally invasive extracorporeal circulation pipeline, which relates to the field of medical instruments and comprises a main pump pipe and a moving and static blood vessel pipeline; the main pump pipe is used for communicating the hard blood storage tank with the integrated oxygenator through a hydraulic pump; the dynamic and static blood vessel path comprises a connecting section, a drainage section and a pump-out section, wherein one end of the connecting section is communicated with the hard blood storage tank and is used for introducing venous blood of a patient, the other end of the connecting section is branched into two drainage sections through a joint A, the two drainage sections are mutually connected and combined into one pump-out section through a joint B, and the other end of the pump-out section is connected with the integrated oxygenator and is used for pumping blood to arteries of the patient to form extracorporeal blood circulation. The utility model has the advantages that: reducing the extracorporeal circulation priming volume of the cardiac surgery; the contact area between the blood and the extracorporeal circulation pipeline is reduced; the self-contained disposable negative pressure suction pipeline; one set of pipeline is matched with all the requirements of the cardiac surgery; the switching and connection of an open pipeline and a closed pipeline can be realized; the requirement of controlling drainage under the table can be realized.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to miniaturized wicresoft extracorporeal circulation pipeline of multipurpose.
Background
Extracorporeal circulation is a life support technique in which cardiovenous blood is drained to the outside of the body by a series of special artificial devices, and is returned to the arterial system in the body after gas exchange, temperature regulation and filtration by an artificial method. In the extracorporeal circulation process, the artificial device replaces the functions of the human body, so the cardiopulmonary bypass is also called, and the extracorporeal circulation machine is also called an artificial heart-lung machine. The purpose of extracorporeal circulation is to maintain the blood supply to the tissues and organs of the whole body while performing open-heart surgery. With the development of clinical medicine, the application range of extracorporeal circulation is expanding, and the extracorporeal circulation is not only applied to large vessel surgeries of heart, liver, kidney, lung and the like, but also has remarkable performances in the aspects of life support of patients with tumor treatment and cardiopulmonary failure, and becomes an important technology of clinical medicine.
Currently, the most widely used extracorporeal circulation circuit in China is an extracorporeal circulation circuit combined by 1/2 and 3/8 circuits. Such a line has the following drawbacks: (1) the priming volume of the pipeline is large, and the blood dilution is increased; (2) the contact area between the blood and the pipeline is large; (3) the number of joints is large; (4) a negative pressure auxiliary drainage device is not equipped; (5) the tubing is typically clamped by a cardiac surgeon rather than an extracorporeal circulatory perfusionist, with the associated risks of venous drainage being large; (6) the modification scope of the pipeline is not large, and the requirement of all cardiac operations cannot be met by one set of pipeline; (7) the pipeline can not realize the conversion between closed extracorporeal circulation and open extracorporeal circulation.
Currently, most medical institutions need to be equipped with different pipeline packages to match different operation requirements, and the requirement on consumable management is high. In addition, with the development of small-incision minimally invasive cardiac surgery, the requirement for extracorporeal circulation negative pressure assisted venous drainage (VAVD) is higher and higher. At present, domestic VAVD is high in price (10-80 ten thousand), consumables are not easy to obtain, and hospitals with few cardiac surgeries cannot be configured conventionally, so that the contradiction between clinical requirements and equipment shortage is faced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a miniaturized wicresoft extracorporeal circulation pipeline of multipurpose, have simple structure, low cost's advantage to can switch to concrete operation demand.
The purpose of the utility model is accomplished through following technical scheme: the multipurpose miniaturized minimally invasive extracorporeal circulation pipeline comprises a main pump pipe and a dynamic and static blood vessel pipeline; the main pump pipe is used for communicating the hard blood storage tank with the integrated oxygenator through a hydraulic pump; the arteriovenous blood vessel comprises a connecting section, a drainage section and a pump-out section, wherein one end of the connecting section is communicated with a hard blood storage tank and is used for introducing venous blood of a patient, the other end of the connecting section is branched into two drainage sections through a joint A, the two drainage sections are mutually connected and combined into one pump-out section through a joint B, and the other end of the pump-out section is connected with an integrated oxygenator and is used for pumping blood to an artery of the patient to form extracorporeal blood circulation.
As a further technical scheme, corresponding positions on the two channels of drainage segments are cut off and are used for respectively accessing upper and lower vena cava drainage of a patient; the pump-out section is also severed for connection to a patient's artery for pumping blood.
As a further technical scheme, corresponding positions on the two channels of drainage segments are all cut off, wherein one channel is connected to the right atrium of the patient for drainage, and the other channel is clamped and closed; the pump-out section is also severed for connection to a patient's artery for pumping blood.
As a further technical scheme, corresponding positions on the two channels of drainage segments are all cut off, wherein one channel is connected to the right atrium of the patient for drainage, and the other channel is clamped and closed; meanwhile, the other end of the cut part forms a two-way artery blood transfusion tube for pumping blood to the artery of the patient.
As a further technical scheme, the two paths of drainage segments are all subjected to cutting treatment, and the two paths of cut-off drainage segments are clamped and closed; one end of the cut pipeline is respectively communicated with the hard blood storage tank and the hydraulic pump through a joint B, wherein the joint B and the connecting section of the hard blood storage tank are clamped and closed, and the other end of the cut pipeline is connected into the vein of a patient for drainage; the pump-out section is also severed for connection to a patient's artery for pumping blood.
As a further technical scheme, the two channels of drainage segments are cut off, wherein one channel is clamped and closed, and the other channel is connected to the vein of a patient for drainage; one end of the cut pipeline is respectively communicated with the hard blood storage tank and the hydraulic pump through a joint B, and the other end of the cut pipeline is clamped and closed; the pump-out section is also severed for connection to a patient's artery for pumping blood.
As a further technical scheme, the pipe diameters of the main pump pipe, the diversion section and the pumping-out section are all 3/8 inches, the pipe diameter of the connecting section is 1/2 inches, the specification of the joint a is 3/8 × 3/8 × 1/2 inches, and the specification of the joint B is 3/8 × 3/8 × 3/8 inches.
As a further technical scheme, the blood suction device further comprises a suction tube and a negative pressure suction tube, wherein the suction tube is connected to the hard blood storage tank, one end of the negative pressure suction tube is connected with a negative pressure source, the other end of the negative pressure suction tube is branched into two paths through a connector C, one path of the negative pressure suction tube is connected with the integrated oxygenator, the other path of the negative pressure suction tube is connected with the hard blood storage tank through a threaded connector, and the other path of the negative pressure suction tube is connected with the pipeline regulator and is used for.
The utility model has the advantages that:
1. reducing the extracorporeal circulation priming volume of the cardiac surgery;
2. the contact area between the blood and the extracorporeal circulation pipeline is reduced;
3. the self-contained disposable negative pressure suction pipeline;
4. one set of pipeline is matched with all the requirements of the cardiac surgery;
5. the switching and connection of an open pipeline and a closed pipeline can be realized;
6. the requirement of controlling drainage under the table can be realized.
Drawings
Fig. 1 is a schematic structural diagram of an arteriovenous line.
Fig. 2 is a schematic structural view of the negative pressure suction tube.
FIG. 3 is a schematic view of the connection mode of embodiment 1.
FIG. 4 is a schematic view of the use state of embodiment 1.
FIG. 5 is a schematic view of the connection mode of embodiment 2.
FIG. 6 is a schematic view of the use state of embodiment 2.
FIG. 7 is a schematic view of the connection mode of embodiment 3.
FIG. 8 is a schematic view showing the state of use of embodiment 3.
FIG. 9 is a schematic view of the connection mode of embodiment 4.
FIG. 10 is a schematic view of the use state of example 4 in FIG. 1.
FIG. 11 is a schematic view of the use state of example 4 in FIG. 2.
Description of reference numerals: the device comprises a main pump pipe 1, a dynamic and static blood vessel 2, a connecting section 2-1, a drainage section 2-2, a pump-out section 2-3, a connector A2-4, a connector B2-5, a suction pipe 3, a negative pressure suction pipe 4, a connector C4-1, a threaded connector 4-2, a pipeline regulator 4-3, a hydraulic pump 5, a hard blood storage tank 6 and an integrated oxygenator 7.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example 1: aiming at the operation needing the intubation of the superior vena cava, the inferior vena cava and the single artery. As shown in the attached figures 3 and 4, the multipurpose miniaturized minimally invasive extracorporeal circulation pipeline comprises a main pump pipe 1 and a static and dynamic pipeline 2; the main pump pipe 1 is used for communicating a hard blood storage tank 6 with an integrated oxygenator 7 through a hydraulic pump 5; the arteriovenous pipeline 2 comprises a connecting section 2-1, a drainage section 2-2 and a pump-out section 2-3 (see figure 1), one end of the connecting section 2-1 is communicated with a hard blood storage tank 6, the other end of the connecting section 2-1 is branched into two drainage sections 2-2 through a joint A2-4, the two drainage sections 2-2 are mutually connected and combined into one pump-out section 2-3 through a joint B2-5, and the other end of the pump-out section 2-3 is connected with an integrated oxygenator 7; corresponding positions on the two paths of drainage segments 2-2 are all cut off (in figure 3)
A cutting position) for respectively accessing the upper and lower vena cava drainage of a patient; the pump-out section 2-3 is also severed for connection to a patient's artery for pumping blood to form an extracorporeal blood circulation. Referring to the attached figure 2, a suction tube 3 and a negative pressure suction tube 4 are further connected to the hard blood storage tank 6, one end of the negative pressure suction tube 4 is connected to a negative pressure source, the other end of the negative pressure suction tube is branched into two paths through a connector C4-1, one path is connected to the integrated oxygenator 7, the other path is connected to the hard blood storage tank 6 through a threaded connector 4-2, and the other path is connected to the pipeline regulator 4-3 for regulating the negative pressure of the system. Referring to the attached drawing 4, the hollow arrow direction in the drawing is the blood flow direction, the solid arrow direction is the negative pressure direction, the arteriovenous tube 2 is separated into two paths of venous drainage tubes (for upper and lower vena cava drainage) and one path of arterial blood transfusion tube (for arterial blood pumping), the main pump tube 1 is connected with the hard blood storage tank 6 and the integrated oxygenator 7, and the negative pressure suction tube 4 and the suction tube 3 are matched to meet the requirement of controlling drainage under the table.
In a preferred technical scheme, the pipe diameters of the main pump pipe 1, the diversion section 2-2 and the pump-out section 2-3 are all 3/8 inches, the pipe diameter of the connecting section 2-1 is 1/2 inches, the specification of the joint A2-4 is 3/8 × 3/8 × 1/2 inches, and the specification of the joint B2-5 is 3/8 × 3/8 × 3/8 inches.
Example 2: aiming at the operation of intubation of right atrium and single artery. As shown in fig. 5 and 6, the difference from embodiment 1 is that: corresponding positions on the two paths of drainage segments 2-2 are all cut off (in figure 5)
A cut-off position), one of which is connected to the right atrium of the patient for drainage, and the other is clamped (in fig. 5/as a clamped position); the pump-out section 2-3 is also severed for connection to a patient's artery for pumping blood to form an extracorporeal blood circulation. Referring to fig. 6, the hollow arrow direction is the blood flow direction, the solid arrow direction is the negative pressure direction, the arteriovenous channel 2 is separated into a venous drainage tube (for right atrium drainage) and an arterial blood transfusion tube (for arterial blood pumping), and the main pump tubeThe 1 is connected with a hard blood storage tank 6 and an integrated oxygenator 7 and is matched with a negative pressure suction tube 4 and a suction tube 3.
Example 3: aiming at the operation of intubation in the right atrium, single pump, double tubes and double artery perfusion. As shown in fig. 7 and 8, the difference from embodiment 1 is that: corresponding positions on the two paths of drainage segments 2-2 are all cut off (in figure 5)
A cut-off position), one of which is connected to the right atrium of the patient for drainage, and the other is clamped (in fig. 7/in a clamped position); the other end of the cut part forms two paths of artery blood conveying vessels to pump blood to the artery of the patient to form extracorporeal blood circulation; the pump-out sections 2-3 are not subjected to a cutting process. Referring to the attached figure 8, the hollow arrow direction in the figure is the blood flow direction, the solid arrow direction is the negative pressure direction, the arteriovenous channel 2 is separated into one venous drainage tube (for right atrium drainage) and two arterial blood transfusion tubes (for arterial blood pumping), the main pump tube 1 is connected with the hard blood storage tank 6 and the integrated oxygenator 7, and is matched with the negative pressure suction tube 4 and the suction tube 3.
Example 4: aiming at the special operation needing closed extracorporeal circulation. As shown in fig. 9 and 10, the difference from embodiment 1 is that: the two drainage segments 2-2 are all cut off (in figure 5)
A cutting position), and the cut two-way pinching process (in fig. 9/as a pinching position); one end of the cut pipeline is respectively communicated with the hard blood storage tank 6 and the hydraulic pump 5 through a joint B2-5, wherein the joint B2-5 is clamped with the connecting section of the hard blood storage tank 6 for treatment, and the other end of the cut pipeline is connected into the vein of the patient for drainage; the pump-out section 2-3 is also cut off and used for connecting the artery of the patient to pump blood to form extracorporeal blood circulation, and the negative pressure suction tube 4 and the suction tube 3 are not connected to the hard blood storage tank 6. Referring to fig. 10, the direction of the hollow arrow is the direction of blood flow, the cut part of the arteriovenous channel 2 is a venous drainage tube (for venous drainage), the uncut part is an arterial blood transfusion tube (for arterial blood pumping), and the main pump tube 1 and the main pump tubeAnd (3) clamping and closing the joint of the hard blood storage tank 6. Referring to fig. 11, the closed extracorporeal circulation can be changed into the open extracorporeal circulation. One path of the cut part of the two paths of drainage sections 2-2 is connected to the vein of the patient for drainage, and the other path is clamped and closed; meanwhile, the cut part of the arteriovenous pipeline 2 is clamped and closed, the joint of the main pump tube 1 and the hard blood storage tank 6 is opened, and then the suction tube 3 is connected into the hard blood storage tank 6.
According to the above embodiment, the utility model discloses can satisfy multiple heart operation's requirement, the conversion of the different needs of operation can be realized to the existence of double-circuit drainage pipeline, also can realize the drainage of under-table control, can also switch to open extracorporeal circulation when necessary. The use cost of the extracorporeal circulation negative pressure assisted venous drainage (VAVD) is greatly reduced, and the conventional configuration of hospitals with few cardiac surgeries is facilitated.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (8)
1. A multipurpose miniaturized minimally invasive extracorporeal circulation pipeline is characterized in that: comprises a main pump pipe (1) and a dynamic and static vessel (2); the main pump pipe (1) is used for communicating a hard blood storage tank (6) with an integrated oxygenator (7) through a hydraulic pump (5); the arteriovenous line (2) comprises a connecting section (2-1), a drainage section (2-2) and a pump-out section (2-3), one end of the connecting section (2-1) is communicated with a hard blood storage tank (6) and is used for introducing venous blood of a patient, the other end of the connecting section (2-1) is branched into two drainage sections (2-2) through a connector A (2-4), the two drainage sections (2-2) are connected with each other through a connector B (2-5) and are combined into one pump-out section (2-3), and the other end of the pump-out section (2-3) is connected with an integrated oxygenator (7) and is used for pumping blood to the artery of the patient to form extracorporeal blood circulation.
2. The multi-purpose miniaturized minimally invasive extracorporeal circulation circuit of claim 1, wherein: corresponding positions on the two channels of drainage sections (2-2) are all cut off for respectively accessing the upper and lower vena cava drainage of a patient; the pump-out section (2-3) is also subjected to a cutting treatment for connecting an artery of a patient for pumping blood.
3. The multi-purpose miniaturized minimally invasive extracorporeal circulation circuit of claim 1, wherein: corresponding positions on the two channels of drainage sections (2-2) are all cut off, wherein one channel is connected to the right atrium of the patient for drainage, and the other channel is clamped and closed; the pump-out section (2-3) is also subjected to a cutting treatment for connecting an artery of a patient for pumping blood.
4. The multi-purpose miniaturized minimally invasive extracorporeal circulation circuit of claim 1, wherein: corresponding positions on the two channels of drainage sections (2-2) are all cut off, wherein one channel is connected to the right atrium of the patient for drainage, and the other channel is clamped and closed; meanwhile, the other end of the cut part forms a two-way artery blood transfusion tube for pumping blood to the artery of the patient.
5. The multi-purpose miniaturized minimally invasive extracorporeal circulation circuit of claim 1, wherein: the two paths of drainage sections (2-2) are cut off and the two paths of cut off are clamped; one end of the cut pipeline is respectively communicated with a hard blood storage tank (6) and a hydraulic pump (5) through a connector B (2-5), wherein the connecting section of the connector B (2-5) and the hard blood storage tank (6) is clamped and closed, and the other end of the cut pipeline is connected into the vein of a patient for drainage; the pump-out section (2-3) is also subjected to a cutting treatment for connecting an artery of a patient for pumping blood.
6. The multi-purpose miniaturized minimally invasive extracorporeal circulation circuit of claim 1, wherein: the two drainage sections (2-2) are all cut off, wherein one drainage section is clamped and closed, and the other drainage section is connected to the vein of a patient for drainage; one end of the cut pipeline is respectively communicated with a hard blood storage tank (6) and a hydraulic pump (5) through a joint B (2-5), and the other end of the cut pipeline is clamped and closed; the pump-out section (2-3) is also subjected to a cutting treatment for connecting an artery of a patient for pumping blood.
7. The multipurpose miniaturized minimally invasive extracorporeal circulation circuit according to any one of claims 1 to 6, wherein: the pipe diameters of the main pump pipe (1), the drainage section (2-2) and the pump-out section (2-3) are all 3/8 inches, the pipe diameter of the connecting section (2-1) is 1/2 inches, the specification of the joint A (2-4) is 3/8 x 3/8 x 1/2 inches, and the specification of the joint B (2-5) is 3/8 x 3/8 x 3/8 inches.
8. The multi-purpose miniaturized minimally invasive extracorporeal circulation circuit of claim 1, wherein: still including attracting pipe (3) and vacuum suction pipe (4), it connects on stereoplasm blood storage tank (6) to attract pipe (3), the vacuum attracts pipe (4) one end to connect the negative pressure source, and the other end is the two-way through connecting C (4-1) bifurcation, connects integrated oxygenator (7) all the way, still is connected with stereoplasm blood storage tank (6) through screwed joint (4-2) on this way, and another way is connected with pipeline regulator (4-3) and is used for governing system's negative pressure size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021398050.7U CN213312288U (en) | 2020-07-15 | 2020-07-15 | Multipurpose miniaturized minimally invasive extracorporeal circulation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021398050.7U CN213312288U (en) | 2020-07-15 | 2020-07-15 | Multipurpose miniaturized minimally invasive extracorporeal circulation pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213312288U true CN213312288U (en) | 2021-06-01 |
Family
ID=76089235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021398050.7U Active CN213312288U (en) | 2020-07-15 | 2020-07-15 | Multipurpose miniaturized minimally invasive extracorporeal circulation pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213312288U (en) |
-
2020
- 2020-07-15 CN CN202021398050.7U patent/CN213312288U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4610656A (en) | Fully portable semi-automatic mechanical heart-lung substitution system and method | |
| US4540399A (en) | Emergency bypass system | |
| US6443922B1 (en) | Methods and devices for maintaining cardiopulmonary bypass and arresting a patient's heart | |
| US6315751B1 (en) | Cardiopulmonary bypass system using vacuum assisted venous drainage | |
| US6890316B2 (en) | Tubing set for blood handling system and methods of use | |
| US7524277B1 (en) | Apex to aorta cannula assembly | |
| US20090112049A1 (en) | Heart pump apparatus and method for beating heart surgery | |
| US5766480A (en) | Method for priming a hollow fiber oxygenator | |
| Coster et al. | Extracorporeal life support during lung transplantation | |
| CN213312288U (en) | Multipurpose miniaturized minimally invasive extracorporeal circulation pipeline | |
| CN218220393U (en) | A multi-branch artificial blood vessel | |
| CN113082338B (en) | Pipeline structure, pipeline assembly and use method thereof | |
| CN215608155U (en) | A new type of extracorporeal circulation pipeline | |
| CN110559541A (en) | Single-channel arterial cannula for left heart assistance | |
| CN201091703Y (en) | Switching pipeline between extracorporeal membrane oxygenation and cardiopulmonary bypass | |
| CN219921691U (en) | Extracorporeal blood circulation assembly | |
| CN108310504A (en) | Vena cava retrograde perfusion tube and use method thereof | |
| CN206910548U (en) | A kind of extracorporeal circulation pipeline | |
| Siffring et al. | In vitro evaluation of flow distribution in all-region perfusion during the Norwood operation | |
| CN219398428U (en) | Blood feedback device in ECMO loop | |
| CN215230875U (en) | A new type of extracorporeal circulation ultrafiltration pipeline | |
| CN112755294B (en) | Extracorporeal circulation circuit | |
| CN211675617U (en) | Right heart auxiliary device | |
| CN221814873U (en) | Disposable hemodialysis arterial line | |
| CN219614552U (en) | Non-constant pressure blood flow generator for ECMO |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |