CN110393580A - A kind of Cardiological pericardium tapping device - Google Patents

Abstract

The invention discloses belongs to the technical field of pericardial puncture pumping, and specifically relates to a pericardial puncture pumping device for cardiology, including a liquid storage tank, the upper surface of the liquid storage tank is inserted with a liquid inlet tube and an air outlet tube. Both the liquid inlet pipe and the air outlet pipe extend to the inner cavity of the liquid storage tank. Through the setting of two one-way valves, the effusion can be easily drawn out, and the extracted effusion can be easily discharged, and the effusion can be continuously pumped; Through the cooperation of the limit baffle and the support spring, the piston plate can be elastically supported to the right, so that the piston plate and the push rod can be elastically reset, and the operation is more convenient; through the protective effect of the protective cover, the suction pipe can be avoided from contact with human organs. Direct contact, so as to protect human organs and avoid damage to human tissue caused by friction; through the setting of sterilization equipment, ultraviolet light can be used to sterilize the fluid entering the liquid storage tank, and through the setting of filters, it can The output gas is sterilized.

Description

A pericardial puncture pumping device for cardiology

technical field

The invention relates to the technical field of pericardial puncture liquid extraction, in particular to a pericardial puncture liquid extraction device for cardiology.

Background technique

Pericardiocentesis can be used not only as a diagnostic measure but also as an emergency treatment to relieve pericardial tamponade when there is fluid, blood or pus in the pericardial cavity.

Pericardiocentesis is a diagnosis and treatment technique that directly penetrates the pericardial cavity with the help of a puncture needle. Pericardial puncture must be performed under aseptic technique, local application of procaine anesthesia, the puncture site should not be too deep, so as not to puncture the atrium, ventricle or puncture the coronary artery and cause a large amount of hemorrhage in the pericardial cavity.

Patients with pericardiocentesis can understand the nature of pericardial effusion by testing the fluid in the pericardial cavity, and find out the cause of pericarditis according to the nature of pericardial effusion. Although pericardiocentesis has certain risks, it is a relatively safe method of diagnosis and treatment if it is carried out strictly according to the operating procedures.

When the existing pericardial puncture pumping device is in use, it is inconvenient to extract the effusion, and it is difficult to continuously extract it. It is difficult to deal with the effusion after suction in time, and it is easy to cause pollution to the surrounding environment.

Contents of the invention

The object of the present invention is to provide a kind of pericardial puncture pumping device for Cardiology, to solve the problem that the existing pericardial puncture pumping device proposed in the above-mentioned background technology is inconvenient for the extraction of effusion, and it is difficult to continuously extract it. The effusion after suction is difficult to deal with in time, and it is easy to cause the problem of pollution to the surrounding environment.

In order to achieve the above object, the present invention provides the following technical solutions: a pericardial puncture pumping device for cardiology, including a liquid storage tank, the upper surface of the liquid storage tank is inserted with a liquid inlet pipe and an air outlet pipe, and the liquid inlet Both the pipe and the air outlet pipe extend to the inner cavity of the liquid storage tank, the upper end of the air outlet pipe is connected with a filter, the upper end of the liquid inlet pipe is connected with a suction needle, and the right side of the inner cavity of the suction needle is A push rod is inserted horizontally, the left end of the push rod is sleeved with a piston plate, a limit baffle is provided on the left side of the inner cavity of the suction needle tube, and a through groove is provided in the middle of the limit baffle. The limit baffle is located on the left side of the piston plate, and the limit baffle is located on the right side of the liquid inlet pipe. A support spring is supported between the limit baffle and the piston plate, and the inner cavity of the suction needle is on the right side. The wall is provided with a limit retaining ring, the internal diameter of the limit retaining ring is smaller than the diameter of the outer wall of the piston plate, the left end of the suction needle tube is connected with a suction pipe, and the suction pipe and the liquid inlet pipe are provided with a single The one-way valve on the suction pipe is installed for one-way flow from left to right, the one-way valve on the inlet pipe is installed for one-way flow from top to bottom, and the left end of the suction pipe A protective cover is connected, and the protective cover includes a left protective head, a support sleeve and a connecting rod, the left protective head is connected to the left end of the connecting rod, the connecting rod is connected to the left side wall of the support sleeve, and the support The sleeve is sleeved on the left end of the outer wall of the suction pipe.

Preferably, a support block is provided in the middle of the side wall of the inner cavity of the liquid storage tank, and a sterilizing device is clamped on the support block, and the sterilizing device is an ultraviolet sterilizing lamp.

Preferably, the filter includes a filter shell with openings on both left and right side walls, and a sterile filter cotton layer is embedded inside the filter shell.

Preferably, an injection port is connected to the upper surface of the filter shell, and a rubber sealing backing plate is embedded in the injection port, and the injection port is used for dripping disinfectant onto the sterile filter cotton layer in the filter shell.

Preferably, the liquid inlet pipe is a corrugated liquid inlet pipe.

Preferably, a push plate is connected to the right end of the push rod, and the right side wall of the push plate is in the shape of an arc concave to the left.

Preferably, the sterilization equipment is inclined.

Preferably, the left wall of the left protective head is arc-shaped.

Compared with prior art, the beneficial effect of the present invention is:

1) Through the setting of two one-way valves, it is convenient to extract the effusion, and it is convenient to discharge the extracted effusion, and it can continuously suck the effusion;

2) The piston plate can be elastically supported to the right through the cooperation of the limit baffle plate and the support spring, so that the piston plate and the push rod can be elastically reset, and the operation is more convenient;

3) Through the protective effect of the protective cover, the direct contact between the suction pipe and human organs is avoided, so as to protect human organs and avoid damage to human tissues caused by friction;

4) Through the setting of the sterilizing equipment, the ultraviolet sterilizing effect can be performed on the accumulated liquid entering the liquid storage tank, and through the setting of the filter, the output gas can be sterilized.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the liquid storage tank of the present invention;

3 is a schematic diagram of the internal structure of the suction needle tube of the present invention;

Fig. 4 is the structural representation of filter of the present invention;

Fig. 5 is a schematic structural view of the protective cover of the present invention.

In the figure: 1 liquid storage tank, 2 liquid inlet pipe, 3 air outlet pipe, 4 filter, 41 filter shell, 42 injection port, 43 sterile filter cotton layer, 44 rubber sealing plate, 5 suction needle tube, 6 push rod , 7 limit baffles, 8 piston plates, 9 support springs, 10 suction pipes, 11 one-way valves, 12 protective covers, 121 left protective head, 122 support sleeves, 123 connecting rods, 13 sterilization equipment.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "sleeved/connected", "connected", etc. should be understood in a broad sense, such as " Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal connection between two components. connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example:

Please refer to Figures 1-5, the present invention provides a technical solution: a pericardial puncture pumping device for cardiology, including a liquid storage tank 1, the upper surface of the liquid storage tank 1 is inserted with a liquid inlet tube 2 and an outlet tube. The air pipe 3 and the liquid storage tank 1 are used to collect the effusion. Through the setting of the liquid inlet pipe 2 and the air outlet pipe 3, they are respectively used to input the effusion into the inner cavity of the liquid storage tank 1 and transfer the liquid accumulation to the liquid storage tank 1. The gas in the inner cavity is discharged to balance the air pressure;

The liquid inlet pipe 2 and the air outlet pipe 3 all extend to the inner cavity of the liquid storage tank 1, and the upper end of the air outlet pipe 3 is connected with a filter 4, and the filter 4 is in direct contact with the outside, so that the air outlet pipe 3 Play a protective role, prevent the external air from flowing backward into the human body, and can disinfect the air flowing out of the liquid storage tank 1, thereby preventing the bacteria in the effusion from affecting the surrounding environment;

The upper end of the liquid inlet pipe 2 is connected with a suction needle 5, and the right side of the inner cavity of the suction needle 5 is laterally inserted with a push rod 6, and the left end of the push rod 6 is sleeved with a piston plate 8, and the push rod 6 Drive the piston plate 8 to move laterally, so that the air pressure in the inner cavity of the suction needle 5 changes, so that the effusion can be sucked by negative pressure and discharged by high pressure;

The left side of the inner cavity of the suction needle tube 5 is provided with a limit baffle 7, the middle part of the limit baffle 7 is provided with a through groove, the limit baffle 7 is located on the left side of the piston plate 8, and the limit baffle 7 The baffle plate 7 is located on the right side of the liquid inlet pipe 2, and a support spring 9 is supported between the limit baffle plate 7 and the piston plate 8, and the piston plate 8 can be pushed to the right under the elastic force of the support spring 9, and the piston plate 8 can be pushed to the right by hand. Push the push rod 6 and the piston plate 8 to the left under the action of pressure, so as to facilitate the control of the left and right movement of the piston plate 8;

The right side wall of the inner cavity of the suction needle tube 5 is provided with a limit stop ring, the inner diameter of the limit stop ring is smaller than the outer wall diameter of the piston plate 8, and the piston plate 8 is restricted by the setting of the limit stop ring , so as to prevent the piston plate 8 from falling from the lumen of the suction needle tube 5;

The left end of the suction needle tube 5 is connected with a liquid suction pipe 10, and the liquid suction pipe 10 and the liquid inlet pipe 2 are all provided with a one-way valve 11, and the one-way valve 11 on the described liquid suction pipe 10 is from the left. One-way flow installation to the right, the one-way valve 11 on the liquid inlet pipe 2 is one-way flow installation from top to bottom, the push rod 6 drives the piston plate 8 to move to the right, and the negative pressure in the suction needle 5 The one-way valve 11 on the suction pipe 10 is opened and the one-way valve 11 on the liquid inlet pipe 2 is closed, so that the accumulated liquid is sucked into the suction needle tube 5; the push rod 6 drives the piston plate 8 to move to the left, Under the action of the high pressure in the suction needle 5, the one-way valve 11 on the suction pipe 10 is closed, and the one-way valve 11 on the liquid inlet pipe 2 is opened, so that the accumulated liquid is drawn in and discharged into the liquid storage tank 1;

The left end of the suction pipe 10 is connected with a protective cover 12, the protective cover 12 includes a left protective head 121, a support sleeve 122 and a connecting rod 123, the left protective head 121 is connected to the left end of the connecting rod 123, the The connecting rod 123 is connected to the left side wall of the supporting sleeve 122, and the supporting sleeve 122 is sleeved on the left end of the outer wall of the pipette 10, and the setting of the protective cover 12 prevents the pipette 10 from directly contacting the human tissue. Contact, thereby reducing friction.

The middle part of the inner cavity side wall of the liquid storage tank 1 is provided with a support block, and a sterilizing device 13 is clamped on the support block. The sterilizing device 13 is an ultraviolet germicidal lamp. It can sterilize the bacteria in the liquid storage tank 1.

The filter 4 includes a filter shell 41 with openings on the left and right side walls. The inside of the filter shell 41 is embedded with a sterilized filter cotton layer 43. By setting the sterilized filter cotton layer 43, the sterilized filter cotton layer 43 The gas can be sterilized by the sterilizing agent on the sterilizing filter cotton layer 43 .

The upper surface of the outer filter shell 41 is connected with an injection interface 42, and a rubber sealing backing plate 44 is embedded in the injection interface 42, and the injection interface 42 is used for dripping on the sterile filter cotton layer 43 in the outer filter shell 41. Add the disinfectant, drop the disinfectant on the rubber sealing backing plate 44 through the injection port 42, so as to facilitate the effect of supplementing the disinfectant.

The liquid inlet pipe 2 is a corrugated liquid inlet pipe, which is convenient for adjusting the angle of the suction needle tube 5 and the liquid suction pipe 10, thereby facilitating the function of suctioning the effusion.

The right end of the push rod 6 is connected with a push plate, and the right side wall of the push plate is in the shape of an arc sunken to the left.

The sterilization equipment 13 is inclined.

The left wall of the left protective head 121 is arc-shaped.

Working principle: Guide the suction pipe 10 to the position where the effusion needs to be sucked through the protective cover 12. When the effusion is being sucked, the push rod 6 drives the piston plate 8 to press the position of the limit baffle 7, and the support The spring 9 is compressed, and the one-way valve 11 on the suction pipe 10 is closed at this time, and the one-way valve 11 on the liquid inlet pipe 2 is opened under pressure, and the push rod 6 is released, and the piston plate 8 is moved under the elastic force of the support spring 9 . and the push rod 6 to the right, at this time, the one-way valve 11 on the liquid inlet pipe 2 is closed, and the one-way valve 11 on the liquid suction pipe 10 is opened, so that the suction needle 5 draws the effusion to the Aspirate the inside of the needle tube 5, and reciprocate in this way to extract the effusion.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or fundamentals of the present invention. The present invention can be realized in other specific forms under the condition of certain characteristics; therefore, the embodiments should be regarded as exemplary and non-restrictive in every respect, and the scope of the present invention is determined by the appended claims. Requirements rather than the above description, therefore, it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any reference signs in the claims should not be regarded as limiting the rights involved. Require.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of Cardiological pericardium tapping device, including fluid reservoir (1), it is characterised in that: the fluid reservoir (1) it is upper Surface is plugged with inlet tube (2) and escape pipe (3), and the inlet tube (2) and escape pipe (3) all extend to the interior of fluid reservoir (1) Chamber, having for the escape pipe (3) are connected with filter (4) on upper end, and the upper end of the inlet tube (2) is connected with suction needle tubing (5), there is push rod (6) transverse splicing on the right side of the inner cavity of suction needle tubing (5), and the left end of the push rod (6) is socketed with piston plate (8), it is provided with postive stop baffle (7), is provided in the middle part of the postive stop baffle (7) logical on the left of the inner cavity of suction needle tubing (5) Slot, the postive stop baffle (7) is located at the left side of piston plate (8), and postive stop baffle (7) is located at the right side of inlet tube (2), the limit It is supported by support spring (9) between position baffle (7) and piston plate (8), the inner cavity right side wall setting of suction needle tubing (5) is limited Position retaining ring, the inside diameter of the limit stop ring are less than the outer diameter of piston plate (8), and the left end of suction needle tubing (5) connects It is connected to pipette (10), is provided with one-way cock (11) on the pipette (10) and inlet tube (2), the pipette (10) On one-way cock (11) be the installation of one-way flow from left to right, the one-way cock (11) on the inlet tube (2) be from up to Lower one-way flow installation, the left end of the pipette (10) are connected with shield (12), and the shield (12) includes left protection Head (121), supporting sleeve (122) and connecting rod (123), the left protective head (121) are connected to the left end of connecting rod (123), The connecting rod (123) is connected to the left side wall of supporting sleeve (122), and the supporting sleeve (122) is socketed in pipette (10) On the left end of outer wall.

2. a kind of Cardiological according to claim 1 pericardium tapping device, it is characterised in that: the fluid reservoir (1) it is provided with supporting block in the middle part of intracavity sidewall, disinfection equipment (13), the disinfection equipment are connected in the supporting block It (13) is ultraviolet germicidal lamp.

3. a kind of Cardiological according to claim 1 pericardium tapping device, it is characterised in that: the filter It (4) include filter shell body (41) that left and right sidewall is open, the filter shell body (41) has been internally embedded sterilised filtration Cotton layer (43).

4. a kind of Cardiological according to claim 3 pericardium tapping device, it is characterised in that: the filter shell The upper surface of body (41) is connected with injection interface (42), and the injection interface (42) has been embedded in rubber seal backing plate (44), institute It states injection interface (42) and disinfectant is added dropwise on the sterilised filtration cotton layer (43) into filter shell body (41).

5. a kind of Cardiological according to claim 1 pericardium tapping device, it is characterised in that: the inlet tube It (2) is corrugated inlet tube.

6. a kind of Cardiological according to claim 1 pericardium tapping device, it is characterised in that: the push rod (6) Right end be connected with push plate, the right side wall of the push plate is in the arc shape being recessed to the left.

7. a kind of Cardiological according to claim 2 pericardium tapping device, it is characterised in that: the disinfection equipment (13) oblique.

8. a kind of Cardiological according to claim 1 pericardium tapping device, it is characterised in that: the left protective head (121) left side wall is in arc surfaced.