CN211863557U - Self-pressure-relief left ventricle drainage device used in cardiac surgery - Google Patents
Self-pressure-relief left ventricle drainage device used in cardiac surgery Download PDFInfo
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- CN211863557U CN211863557U CN202020107988.2U CN202020107988U CN211863557U CN 211863557 U CN211863557 U CN 211863557U CN 202020107988 U CN202020107988 U CN 202020107988U CN 211863557 U CN211863557 U CN 211863557U
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Abstract
The utility model discloses a use in cardiac operation from pressure release force left ventricle drainage device, including the drainage tube body, the drainage tube end is the draw liquid mouth, still be provided with pressure relief device on the drainage tube, pressure relief device includes the pressure release pipe and rotates the relief valve that sets up in the pressure release pipe through the pivot, and flashboard one end in the relief valve is passed through elastic contraction spare and is connected, and the other end uses the pivot to take place to rotate as the center, be provided with the separator that longitudinal section is L shape in the pressure release pipe, the diaphragm of separator is fixed at the pressure release pipe medial surface, and the pivot setting is in the up end department of separator riser, and plug-in flashboard. A cardiac operation in with from pressure release power left ventricle drainage device simple structure, convenient to use prevents to inhale the wall phenomenon, automatic pressure release simultaneously realizes the continuity work of this device, greatly reduced accident rate improves operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of medical supplies, concretely relates to with from pressure release power left ventricle drainage device among cardiac operation.
Background
In the treatment of an operation wound prone to blood deposition in an operation such as cardiac surgery, the blood needs to be treated in time because the remaining blood affects the sight of a doctor. Most of the existing treatment devices adopt a soft pipeline with side holes to carry out negative pressure suction, but the way is easy to cause the phenomenon that heart tissues block the side holes and adhere to the wall; in order to solve the problems, the existing treatment mode mostly adopts the mode of increasing a liquid inlet or arranging an air vent on a drainage tube, when the wall adhesion phenomenon occurs, the air vent is manually opened, and the drainage tube is depressurized and then is sucked. In the single mode, medical staff need to pay attention to the drawing condition all the time, and time and labor are wasted; the complicated pressure relief mode is easy to damage the endocardium when the pressure is not relieved in time.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses an in the heart operation with from pressure release power left ventricle drainage device, this device simple structure, convenient to use prevents to inhale the wall phenomenon, and automatic pressure release realizes the continuity work of this device simultaneously, and greatly reduced accident rate improves operation efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an use in cardiac operation from pressure release power left ventricle drainage device, includes the drainage tube body, and the drainage tube end is the drawing liquid mouth, still be provided with pressure relief device on the drainage tube, pressure relief device includes the pressure release pipe and rotates the relief valve that sets up in the pressure release pipe through the pivot, and flashboard one end in the relief valve is passed through elastic contraction spare and is connected, and the other end uses the pivot to take place to rotate as the center, be provided with the separator that longitudinal section is L shape in the pressure release pipe, the diaphragm of separator is fixed at the pressure release pipe medial surface, and the pivot setting is in the up end department of separator riser, and the plug.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: the liquid drawing end of the drainage tube is provided with a plurality of liquid drawing branch tubes, the free ends of the liquid drawing branch tubes are provided with spiral structures, and the liquid drawing branch tubes are provided with a plurality of liquid inlet holes along the length direction of the tube body.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: the elastic contraction piece is a compression spring, and two ends of the compression spring are respectively connected to the flashboard and the transverse plate of the partition.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: the elastic contraction piece is a spring group formed by spirally inserting a first compression spring and a second compression spring, wherein the upper end of the first compression spring is fixed on the lower side surface of the flashboard, the lower end of the second compression spring is fixedly connected with a driven wheel in the bevel gear set, supporting shafts penetrating through the pressure relief pipe body are arranged on two sides of the driving wheel of the bevel gear set, and a rotary handheld portion is arranged at one supporting shaft.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: still be provided with spacing piece in the pressure release pipe, spacing piece is located the flashboard top, and spacing piece downside and flashboard upside all are provided with the silica gel sealing layer in order to guarantee to divide into two independent regions with the pressure release pipe with the flashboard by the partition body when the flashboard is in balanced position.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: the drainage tube is characterized in that an air inlet plate and a filter screen are arranged at the end opening of the free end of the drainage tube, a flow limiting plate is further arranged at the joint of the drainage tube and the drainage tube, one end of the flow limiting plate is integrally connected with the tube body of the drainage tube, the other end of the flow limiting plate is freely arranged, and the connecting end of the flow limiting plate and the drainage tube is located at the upstream of the flowing direction of liquid in the drainage.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: the annular side surface of the flashboard is arranged in a circular arc shape.
As the utility model relates to a further improvement of self-pressure-release left ventricle drainage device used in cardiac surgery: the drainage tube and the liquid drawing branch tube are made of soft materials.
Advantageous effects
Compared with the prior art, the utility model discloses following beneficial effect has:
first, a cardiac operation in with from pressure release power left ventricle drainage device, device simple structure, convenient operation to the drainage tube is the additional pressure release pipe of main part and integrative setting, need not extra loaded down with trivial details operation and can realize drainage and pressure release, but guarantee this device continuity work simultaneously, greatly avoided because of the drainage tube inhales the wall to the heart inner chamber and causes endocardium damage and inhale the wall after need to the adjustment of drainage tube, improve operation efficiency.
Second, a cardiac surgery in with from pressure release force left ventricle drainage device, the pressure release pipe that sets up in this device adopts simple mechanical connection to constitute pressure release device. The limiting piece and the silica gel sealing layer on the limiting piece are matched with the silica gel sealing layer on the flashboard, so that the sealing effect of the pressure relief part of the flashboard in the balanced state of the pressure relief valve is realized; the separator divides the pressure release pipe into independent outside region and communicates to the inside region of drainage tube, guarantees when normal negative pressure attracts, can not influence the negative pressure effect because of setting up of relief valve.
Thirdly, the self-pressure-release left ventricle drainage device for cardiac surgery, which is provided by the utility model, has the advantages that the spring group is formed between the elastic connecting pieces which are spirally spliced with each other, the spiral connecting length between the two elastic connecting pieces can be adjusted according to different negative pressures needed by patients of different ages, the elastic coefficient of the spring group is changed, and further the negative pressure during pressure release is changed, so that the device has stronger applicability; run through to the outside rotatory handheld portion of pressure release pipe conveniently to adjust spring assembly, still can be provided with the scale to the required negative pressure of different age bracket patients on the pressure release pipe in this device to realize the adjustment to the pressure release critical value rapidly, a thing is multi-purpose simultaneously, has practiced thrift operation preparation time.
Fourthly, the self-pressure-release left ventricle drainage device for cardiac surgery, provided by the utility model, has the flow limiting plate arranged at the joint of the drainage tube and the pressure release tube and extending along the liquid drainage direction, so as to prevent liquid from entering the pressure release tube in the negative pressure suction process; the air inlet plate and the filter screen that the pressure release pipe free end set up can prevent effectively that debris from getting into in the pressure release pipe at the pressure release in-process, and wherein the air inlet plate blocks large granule debris, and the filter screen filters small debris.
Fifth, a cardiac surgery in with from pressure release force left ventricle drainage device, the helical structure that the end that draws the liquid branch pipe that the liquid mouth of drawing of drainage tube goes out to set up sets up and draw the feed liquor hole that sets up on the liquid branch pipe, multiple assurance can effectively avoid taking place to inhale the wall phenomenon.
Sixth, a cardiac surgery in with from pressure release power left ventricle drainage device, applicable drainage to the left heart or the blood that produces to operation wound department arranges blood in the cardiac extracorporeal circulation operation.
Drawings
FIG. 1 is a cross-sectional view of a left ventricular drainage device with self-venting force for heart surgery of example 1;
FIG. 2 is a cross-sectional structural view of the pressure relief tube of the present invention;
FIG. 3 is a schematic structural view of a liquid drawing end of a middle drainage tube according to the present invention;
FIG. 4 is a structural view of an elastic contractible member portion in example 2;
reference numerals: 1. the device comprises a drainage tube, 101, a flow limiting plate, 2, a pressure relief tube, 201, an air inlet plate, 202, a limiting sheet, 203, a gate plate, 204, a partition, 205, a rotating shaft, 3, a liquid drawing branch tube, 301, a liquid inlet hole, 4, an elastic contraction piece, 401, a first compression spring, 402, a second compression spring, 403, a driven wheel, 404, a driving wheel, 405 and a supporting shaft.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and specific embodiments, which are provided in the present embodiment on the premise of the technical solution of the present invention.
Example 1
The self-pressure-release left ventricle drainage device for cardiac surgery in the embodiment comprises a drainage tube 1 body, wherein the tail end of the drainage tube 1 is a liquid drawing port inserted in the left heart of a patient, and the other end of the drainage tube 1 is connected with a negative pressure pump, an extracorporeal circulation blood collecting device and the like. A plurality of liquid drawing branch pipes 3 are arranged at the liquid drawing end of the drainage pipe 1, a spiral structure is arranged at the free end of each liquid drawing branch pipe 3, the spiral structure is a tubular structure formed by spirally winding a spring-like strip material, and left intracardiac blood can enter the liquid drawing branch pipes 3 from the side seams and the ports of the spiral structure; a plurality of liquid inlet holes 301 are distributed on the pipe body of the liquid drawing branch pipe 3 along the length direction. The drainage tube 1 and the liquid drawing branch tube 3 are made of soft materials, so that the liquid drawing branch tube 3 is guaranteed to be freely bent in the left ventricle, and the phenomenon that the left endocardium adheres to the wall of the liquid inlet of the liquid drawing branch tube 3 is effectively prevented on the premise of preventing the left endocardium from being damaged.
Be provided with relief pressure device of relief pressure on drainage tube 1, relief pressure device includes pressure release pipe 2 and sets up the relief valve in pressure release pipe 2 through pivot 205, flashboard 203 one end in the relief valve is passed through the elastic contraction piece 4 that compression spring constitutes and is connected, and the other end uses pivot 205 to rotate as the center, and the annular side of flashboard 203 can be the circular arc setting, is convenient for its rotation. A partition 204 with an L-shaped longitudinal section is arranged in the pressure relief pipe 2, the partition 204 and the gate plate 203 divide the inner cavity of the pressure relief pipe 2 into two independent areas, wherein a transverse plate of the partition 204 is fixed on the inner side surface of the pressure relief pipe 2, and a rotating shaft 205 is arranged on the upper end surface of the vertical plate of the partition 204 and is inserted into the gate plate 203. Compression spring is independent single compression spring in this embodiment, and compression spring sets up the exocoel of pressure release pipe 2, and compression spring's lower extreme is fixed and is cut apart the diaphragm of piece, and flashboard 203 is connected to the compression spring upper end.
A limiting piece 202 is further arranged in the pressure relief pipe 2, the limiting piece 202 is located above the flashboard 203, and silica gel sealing layers are arranged on the lower side surface of the limiting piece 202 and the upper side surface of the flashboard 203 so as to ensure that the partition 204 and the flashboard 203 divide the pressure relief pipe 2 into two independent areas when the flashboard 203 is in a balance position; the pressure release pipe 2 is provided with air inlet plate 201 and filter screen in free end port department, and air inlet plate 201 blocks large granule debris, and the filter screen filters small debris. The junction of the drainage tube 1 and the pressure relief tube 2 is further provided with a flow limiting plate 101, one end of the flow limiting plate 101 is integrally connected with the tube body of the drainage tube 1, the other end of the flow limiting plate 101 is freely arranged, the connecting end of the flow limiting plate 101 and the drainage tube 1 is positioned at the upstream of the liquid flowing direction in the drainage tube 1, namely, one end of the flow limiting plate 101 is integrally connected with the tube body of the drainage tube 1, and the flow limiting plate 101 extends along the liquid drainage direction to prevent liquid from entering the pressure relief tube 2 in the negative.
Example 2
The specific structure of the self-pressure-release left ventricular drainage device for cardiac surgery in this embodiment is substantially the same as that of the left ventricular drainage device in embodiment 1, and the difference is as follows: the elastic contraction part 4 is a spring group consisting of a first compression spring 401 and a second compression spring 402, the lower end part of the first compression spring 401 is spirally inserted into the upper end part of the second compression spring 402, the upper end of the first compression spring 401 is fixed on the lower side surface of the flashboard 203, the lower end of the second compression spring 402 is fixedly connected with a driven wheel 403 in a conical gear set, two sides of a driving wheel 404 of the conical gear set are provided with supporting shafts 405 penetrating through a pipe body of the pressure relief pipe 2, a rotary handheld part is arranged at one of the supporting shafts 405, the rotary length between the first compression spring 401 and the second compression spring 402 can be adjusted through the rotary handheld part, the elastic coefficient of the elastic connecting part is further adjusted, and the adjustment of the negative pressure critical value of the rotation of the flashboard 203. The drainage tube 1 is provided with scale marks at the position of the supporting shaft 405, and different negative pressure required by the rotation of the flashboard 203 is indicated according to different rotating positions of the rotating handheld part on the supporting shaft 405, so that the adjustment of an operator is facilitated. For example, for the present kit, the desired drain 1 negative pressure for adults can be set to-80 mHg, and the desired drain 1 negative pressure for children can be set to-40 mHg; when the operation is prepared, the supporting shaft 405 is adjusted according to the age of different patients, the maximum negative pressure in the drainage tube 1 is limited, the end part of the drainage tube 1 has adherence phenomenon, when the negative pressure in the tube is increased, the gate plate 203 automatically rotates to release pressure, and after the air pressure in the tube is balanced, the gate plate 203 rotates under the tension of the elastic shrinkage part 4, so that the sealing of the pressure release tube 2 is realized.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.
Claims (8)
1. The utility model provides an use in the cardiac operation from pressure release left ventricle drainage device, includes drainage tube (1) body, and drainage tube (1) end is for drawing the liquid mouth, its characterized in that: still be provided with pressure relief device on drainage tube (1), pressure relief device includes pressure release pipe (2) and rotates the relief valve that sets up in pressure release pipe (2) through pivot (205), and flashboard (203) one end in the relief valve is passed through elastic shrinkage spare (4) and is connected, and the other end uses pivot (205) to take place to rotate as the center, be provided with separator (204) that longitudinal section is L shape in pressure release pipe (2), the diaphragm of separator (204) is fixed at pressure release pipe (2) medial surface, and pivot (205) set up the up end department at separator (204) riser, and plug in flashboard (203).
2. The device of claim 1, wherein the self-venting left ventricular drainage device comprises: the liquid drawing end of the drainage tube (1) is provided with a plurality of liquid drawing branch tubes (3), the free ends of the liquid drawing branch tubes (3) are provided with spiral structures, and a plurality of liquid inlet holes (301) are formed in the liquid drawing branch tubes (3) along the length direction of the tube body.
3. The left ventricular drainage device with self-decompression force for cardiac operation as claimed in claim 2, wherein the elastic contracting member (4) is a compression spring, and two ends of the compression spring are respectively connected to the shutter (203) and the transverse plate of the separating member (204).
4. The device of claim 2, wherein the self-venting left ventricular drainage device comprises: elastic contraction spare (4) are the spring assembly of first compression spring (401) and the mutual spiral grafting of second compression spring (402), and wherein first compression spring (401) upper end is fixed in flashboard (203) downside, follow driving wheel (403) among the second compression spring (402) lower extreme fixed connection conical gear group, and driving wheel (404) both sides of conical gear group are provided with back shaft (405) that run through pressure release pipe (2) body, and one of them back shaft (405) department is provided with rotatory handheld portion.
5. A device according to claim 3 or 4 for self-relieving left ventricular drainage during cardiac surgery, wherein: still be provided with spacing piece (202) in pressure release pipe (2), spacing piece (202) are located flashboard (203) top, and spacing piece (202) downside and flashboard (203) upside all are provided with the silica gel sealing layer in order to guarantee that spacing piece (204) and flashboard (203) divide into two independent regions with pressure release pipe (2) when flashboard (203) is in balanced position.
6. The device of claim 5, wherein the self-venting left ventricular drainage device comprises: the drainage pipe is characterized in that an air inlet plate (201) and a filter screen are arranged at the end opening of the free end of the pressure relief pipe (2), a flow limiting plate (101) is further arranged at the joint of the drainage pipe (1) and the pressure relief pipe (2), one end of the flow limiting plate (101) is integrally connected with the pipe body of the drainage pipe (1), the other end of the flow limiting plate is freely arranged, and the connecting end of the flow limiting plate (101) and the drainage pipe (1) is located in the upstream of the liquid flowing direction in the drainage pipe (1.
7. The device of claim 6, wherein the self-venting left ventricular drainage device comprises: the annular side surface of the flashboard (203) is arranged in an arc shape.
8. The device of claim 7, wherein the self-venting left ventricular drainage device comprises: the drainage tube (1) and the liquid drawing branch tube (3) are both made of soft materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107988.2U CN211863557U (en) | 2020-01-17 | 2020-01-17 | Self-pressure-relief left ventricle drainage device used in cardiac surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107988.2U CN211863557U (en) | 2020-01-17 | 2020-01-17 | Self-pressure-relief left ventricle drainage device used in cardiac surgery |
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| Publication Number | Publication Date |
|---|---|
| CN211863557U true CN211863557U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020107988.2U Active CN211863557U (en) | 2020-01-17 | 2020-01-17 | Self-pressure-relief left ventricle drainage device used in cardiac surgery |
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| CN (1) | CN211863557U (en) |
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- 2020-01-17 CN CN202020107988.2U patent/CN211863557U/en active Active
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