CN213374227U - Closed drainage automatic back transfusion device for first aid of pericardiocentesis - Google Patents
Closed drainage automatic back transfusion device for first aid of pericardiocentesis Download PDFInfo
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- CN213374227U CN213374227U CN202021906813.4U CN202021906813U CN213374227U CN 213374227 U CN213374227 U CN 213374227U CN 202021906813 U CN202021906813 U CN 202021906813U CN 213374227 U CN213374227 U CN 213374227U
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- hematocele
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Abstract
The utility model provides an automatic feedback device of pericardium hematocele first aid closed drainage, include: the negative pressure back suction needle, the blood storage tank, the blood pump, the pressure regulating device, the blood filter and the venous catheter are connected in series through a drainage pipeline in sequence; the negative pressure withdrawing needle comprises a puncture needle, a negative pressure cavity is arranged at the top of the puncture needle, a positioning block is sleeved on the puncture needle, and a locking screw for slidably locking the positioning block is arranged on the positioning block in a penetrating manner; the blood storage tank comprises a tank body, and a base is arranged at the bottom of the tank body; the base is funnel-shaped; the top of the tank body is provided with a sealing cover; the utility model discloses an automatic feedback device of pericardium hematocele first aid closed drainage can effectively prevent the infection, prevents the emergence of thrombus or air embolism, and can maintain stable blood and flow, has effectively reduced patient's misery.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to an automatic feedback device of pericardium hematocele first aid closed drainage.
Background
In clinical medicine, a great amount of pericardial hematocele can cause acute cardiac tamponade, and the diastolic filling function of the heart is damaged due to the increase of the pressure in the pericardium, so that tachycardia, blood pressure reduction, sudden cardiac output reduction and the like occur, and acute circulatory failure and shock are caused, and the life is seriously threatened. The pericardial hematocele can be caused by severe illness once occurring under the conditions of cardiac trauma, acute myocardial infarction, cardiac rupture, type A aortic dissection, arrhythmia radio frequency ablation treatment, coronary artery stent implantation complications and the like. Therefore, if the pericardium is filled with the blood, the pericardium blood must be rescued for seconds.
The prior art mostly adopts subcutaneous puncture or surgical incision drainage, and has the defect that the subcutaneous puncture drainage is an open channel and is easy to cause infection; and because the suction and the return transfusion adopt the disposable medical injector, the disposable medical injector has no filtering device, and the risk of embolism caused by injecting blood clots or air bubbles into the body exists; in addition, all operations are operated by hands of medical staff, the pumping and back-transfusion speed cannot be controlled quantitatively, the efficiency of maintaining the hemodynamics stability is greatly reduced, and great pain is brought to patients.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic feedback device of pericardium hematocele first aid closed drainage, the device can effectively prevent the infection, prevents the emergence of thrombus or air embolism, and can maintain stable blood flow, has effectively reduced patient's misery.
In order to realize the above purpose of the utility model, the following technical scheme is adopted:
the utility model provides an automatic feedback device of pericardium hematocele first aid closed drainage, include: the negative pressure back suction needle, the blood storage tank, the blood pump, the pressure regulating device, the blood filter and the venous catheter are connected in series through a drainage pipeline in sequence;
the negative pressure withdrawing needle comprises a puncture needle, a negative pressure cavity is arranged at the top of the puncture needle, a positioning block is sleeved on the puncture needle, and a locking screw for slidably locking the positioning block is arranged on the positioning block in a penetrating manner;
the blood storage tank comprises a tank body, and a base is arranged at the bottom of the tank body; the base is funnel-shaped; the top of the tank body is provided with a sealing cover;
the venous catheter comprises a fixing air bag which is arranged in a side wall groove at one end of the venous catheter extending into a vein; the fixed air bag is connected with a vent pipeline; the vent line is disposed within a sidewall of the intravenous catheter; and an opening at the outer side of the venous catheter is provided with an inflation tube communicated with the ventilation pipeline.
In the prior art, clinical operation generally includes that medical staff carries out subcutaneous puncture drainage by hands, but the subcutaneous puncture drainage is an open passage, so that the risk of infection is increased, a filtering device is not arranged in the suction process, and the risk of embolism caused by the fact that blood clots or air bubbles are injected into a body exists; in addition, the feedback rate cannot be controlled by manual operation, and the blood flow rate is unstable, which may aggravate the pain of the patient. The utility model adopts the automatic feedback method, the whole process is a closed loop, and the risk of infection in the operation process is reduced; by arranging the pressure regulating device and the blood pump, the flow speed of blood in the feedback process can be effectively controlled, and the pain of a patient is reduced; by arranging the blood filter in front of the venous catheter, blood clots, air bubbles and the like can be prevented from being injected into a body, and the circulatory embolism can be effectively prevented. In addition, the utility model also provides a positioning block and a locking screw on the negative pressure withdrawal needle, which facilitates the adjustment and locking of the puncture depth and ensures the stability of the withdrawal process; the air bag is arranged at the front end of the venous catheter, so that the venous catheter is effectively prevented from falling off in the back transfusion process.
Preferably, a plurality of side holes are uniformly formed in the needle body at the front end of the puncture needle, and the side holes are distributed on the circumferential surface of the needle body of the puncture needle in a staggered and opposite mode. Furthermore, four side holes with the diameter of 1mm are arranged on the needle body at the front end of the puncture needle at the distance of 1mm from the lower end of the puncture needle, and are distributed in a staggered and opposite mode on the circumference, wherein the distance between the side holes and the lower end of the puncture needle is 1 mm.
Preferably, a blood filtering membrane is arranged in the blood storage tank. Through setting up blood filtration membrane, carry out the first filtration to blood in the blood storage tank, can improve the filter effect to blood clot and bubble to further improve the security of operation.
Preferably, an air inlet valve for controlling the introduction of air is arranged on the air charging pipe.
Preferably, the blood filter is a microporous filter. Blood filter and blood filter membrane in the blood storage tank all can filter blood clot and bubble, have effectively prevented the emergence of circulation embolism.
Preferably, a connecting tube is arranged at one end of the venous catheter far away from the balloon. Through setting up the connecting pipe, simplified ductus venosus and blood filter's being connected, can effectively improve the stability of connecting simultaneously.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model adopts the automatic feedback method, the whole process is a closed loop, and the risk of infection in the operation process is reduced;
(2) by arranging the pressure regulating device and the blood pump, the flow speed of blood in the feedback process can be effectively controlled, and the pain of a patient is reduced;
(3) by arranging the blood filter, blood clots, air bubbles and the like can be prevented from being injected into a body, and the circulatory embolism is effectively prevented;
(4) the positioning block and the locking screw are arranged on the negative pressure withdrawal needle, so that the puncture depth can be conveniently adjusted and locked, and the stability of the withdrawal process is ensured;
(5) the air bag is arranged at the front end of the venous catheter, so that the venous catheter is effectively prevented from falling off in the back transfusion process.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a closed drainage automatic reinfusion device for emergency treatment of pericardial hematocele provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a negative pressure withdrawal needle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an intravenous catheter according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the blood storage tank provided by the embodiment of the present invention.
Wherein:
10-negative pressure withdrawal needle; 101-puncture needle;
102-a positioning block; 103-locking screw;
104-a negative pressure chamber; 20-blood storage tank;
201-blood outlet; 202-a base;
203-tank body; 204-blood inlet;
205-a sealing cover; 30-a blood pump;
40-a pressure regulating device; 50-a blood filter;
60-venous catheters; 601-a conduit pathway;
602-fixing the air bag; 603-sidewall grooves;
604-a vent line; 605-connecting tube;
606-a gas-filled tube; 607-intake valve.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to clarify the technical solution of the present invention, the following description is made in the form of specific embodiments.
Examples
Referring to fig. 1-4, the present embodiment provides an automatic reverse transfusion device for closed drainage in emergency treatment of pericardial hematocele, comprising: the negative pressure back suction needle 10, the blood storage tank 20, the blood pump 30, the pressure regulating device 40, the blood filter 50 and the venous catheter 60 are connected in series through a drainage pipeline.
As shown in fig. 2, the negative pressure back-drawing needle 10 comprises a puncture needle 101, and a negative pressure cavity 104 is arranged at the top of the puncture needle 101; a positioning block 102 is sleeved on the puncture needle 101; a locking screw 103 for slidably locking the positioning block 102 is inserted therethrough. Furthermore, scales are arranged on the puncture needle 101, and when the puncture needle is used specifically, the positioning block 102 is shifted to a position corresponding to the corresponding scales according to the condition of a patient, and then the positioning block 102 is locked by the locking screw 103 to perform puncture operation.
Specifically, a plurality of side holes are uniformly formed in the needle body at the distal end of the puncture needle 101, and the side holes are alternately and oppositely distributed on the circumferential surface of the needle body of the puncture needle 101. Furthermore, on the needle body at the front end of the puncture needle 101, starting from 1mm to the lower end thereof, side holes with the diameter of 1mm are arranged at intervals of 1mm, the number of the side holes is 4, and the side holes are distributed in a staggered and opposite manner on the circumference.
As shown in fig. 3, the blood storage tank 20 comprises a tank body 203, and a base 202 is mounted at the bottom of the tank body 203; the base 202 is funnel-shaped, and the bottom is connected with a blood outlet 201; the top of the tank 203 is provided with a sealing cover 205; the upper part of the tank body 203 is provided with a blood inlet 204; to further prevent the occurrence of circulatory embolism, a blood filtration membrane is also provided in the blood storage tank 20. Through setting up blood filtration membrane, carry out the first filtration to blood in blood storage tank 20, can improve the filter effect to blood clot and bubble to further improve the security of operation.
As shown in fig. 4, the intravenous catheter 60 includes a securement balloon 602, the securement balloon 602 being disposed within a sidewall channel 603 at an end of the intravenous catheter 60 that extends into a vein; the fixed air bag 602 is connected with a vent pipeline 604; the vent line 604 is disposed within the sidewall of the intravenous catheter 60; an inflation tube 606 is provided at the outer opening of the intravenous catheter 60 in communication with the vent line 604. Further, an air inlet valve 607 for controlling the introduction of air is arranged on the air charging pipe 606; a connection tube 605 is provided at the end of the intravenous catheter 60 remote from the balloon, and the connection tube 605 communicates with the catheter passage 601 at the center of the intravenous catheter 60. By providing the connection tube 605, the connection of the intravenous catheter 60 and the blood filter 50 is simplified, and the stability of the connection can be effectively improved.
In this embodiment, the blood filter 50 may be a microporous filter, and the blood pump 30 may be a pulsating roller pump. The drainage pipeline can be a hose.
The specific working principle of the closed drainage automatic reinfusion device for emergency treatment of pericardial hematocele in the embodiment is as follows: when the device is used, the pericardium of the negative pressure withdrawal needle 10 is punctured and kept at the pericardial hematocele, the puncturing depth is adjusted by shifting the positioning block 102 to the position corresponding to the corresponding scale, and then the positioning block 102 is locked by the locking screw 103; an intravenous catheter 60 is attached to the central vein and secured by a balloon. The blood is pumped out through the negative pressure back-drawing needle 10, the first filtration is carried out in the blood storage tank 20, the pressure of the blood is monitored through the pressure regulating device 40, and the flow of the blood pump 30 is regulated according to the monitored pressure so as to maintain proper blood flow velocity and relieve the pain of a patient; finally, the blood is filtered again by the blood filter 50 and then fed into the central vein via the venous line 60.
The automatic reinfusion device for closed drainage for emergency treatment of pericardial hematocele adopts an automatic reinfusion method, the whole process is a closed loop, and the risk of infection in the operation process is reduced; by arranging the pressure regulating device and the blood pump, the flow speed of blood in the feedback process can be effectively controlled, and the pain of a patient is reduced; by arranging the blood filter, blood clots, air bubbles and the like can be prevented from being injected into a body, and the circulatory embolism is effectively prevented; the positioning block and the locking screw are arranged on the negative pressure withdrawal needle, so that the puncture depth can be conveniently adjusted and locked, and the stability of the withdrawal process is ensured; the air bag is arranged at the front end of the venous catheter, so that the venous catheter is effectively prevented from falling off in the back transfusion process.
In a word, the utility model discloses an automatic feedback device of pericardium hematocele first aid closed drainage can effectively prevent the infection, prevents the emergence of thrombus or air embolism, and can maintain stable blood flow, has effectively reduced patient's misery.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides an automatic reinfusion device of first aid closed drainage of pericardium hematocele which characterized in that includes: the negative pressure back suction needle, the blood storage tank, the blood pump, the pressure regulating device, the blood filter and the venous catheter are connected in series through a drainage pipeline in sequence;
the negative pressure withdrawing needle comprises a puncture needle, a negative pressure cavity is arranged at the top of the puncture needle, a positioning block is sleeved on the puncture needle, and a locking screw for slidably locking the positioning block is arranged on the positioning block in a penetrating manner;
the blood storage tank comprises a tank body, and a base is arranged at the bottom of the tank body; the base is funnel-shaped; the top of the tank body is provided with a sealing cover;
the venous catheter comprises a fixing air bag which is arranged in a side wall groove at one end of the venous catheter extending into a vein; the fixed air bag is connected with a vent pipeline; the vent line is disposed within a sidewall of the intravenous catheter; and an opening at the outer side of the venous catheter is provided with an inflation tube communicated with the ventilation pipeline.
2. The closed drainage automatic reinfusion device for emergency treatment of pericardial hematocele according to claim 1, wherein a plurality of side holes are uniformly arranged on the needle body at the front end of the puncture needle, and the side holes are staggered and distributed relatively on the circumferential surface of the needle body of the puncture needle.
3. The closed first-aid drainage automatic reinfusion device according to claim 1, wherein a blood filtering membrane is arranged in the blood storage tank.
4. The closed automatic transfusion device for emergency treatment of pericardial hematocele according to claim 1, wherein an air inlet valve for controlling the introduction of air is disposed on the air inflation tube.
5. The closed drain automatic reinfusion device for emergency treatment of pericardial hematocele according to claim 1, wherein said blood filter is a microporous filter.
6. The closed automatic transfusion device for emergency closed drainage of the pericardial hematocele according to claim 1, wherein a connecting pipe for auxiliary connection is arranged at one end of the venous catheter far away from the air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021906813.4U CN213374227U (en) | 2020-09-04 | 2020-09-04 | Closed drainage automatic back transfusion device for first aid of pericardiocentesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021906813.4U CN213374227U (en) | 2020-09-04 | 2020-09-04 | Closed drainage automatic back transfusion device for first aid of pericardiocentesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213374227U true CN213374227U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021906813.4U Active CN213374227U (en) | 2020-09-04 | 2020-09-04 | Closed drainage automatic back transfusion device for first aid of pericardiocentesis |
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| CN (1) | CN213374227U (en) |
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