CN216090675U

CN216090675U - Simple thrombus suction device

Info

Publication number: CN216090675U
Application number: CN202122586979.3U
Authority: CN
Inventors: 雷波; 陈利; 吴嘉川
Original assignee: Peoples Hospital of Leshan
Current assignee: Peoples Hospital of Leshan
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-22
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a simple thrombus aspiration device, which comprises: the pressure detection instrument comprises a pressure detection instrument, a suction mechanism and a pressure measuring pipe, wherein the suction mechanism comprises a cylinder body and a piston rod, the piston end of the piston rod is accommodated in the cylinder body and is in slidable sealing connection with the inner wall of the cylinder body, and an accommodating cavity is formed between the cylinder body and the piston end; one end of the cylinder is provided with a suction port, a bypass pipe is arranged close to the suction port, one end of the bypass pipe extends into the accommodating cavity, the end part of the other end of the bypass pipe is arranged outside the cylinder, and one end of the pressure measuring pipe is connected with the bypass pipe and the other end of the pressure measuring pipe is connected with a pressure detecting instrument; this device will make suction mechanism of negative pressure environment and pass through the pressure-measuring pipe and be connected with pressure measurement instrument to can realize carrying out real-time supervision to the inside negative pressure state of barrel, wherein the bypass pipe that is used for connecting the pressure-measuring pipe stretches into to the barrel in, thereby prevented that the thrombus of extraction from directly blockking up the bypass pipe and causing the pressure measurement inaccurate.

Description

Simple thrombus suction device

Technical Field

The utility model relates to the field of medical instruments, in particular to a simple thrombus suction device.

Background

The existing thrombus suction device is heavy in machine, needs to be communicated with a power supply, is high in cost of primary materials, is not strong in practicability, and brings a small economic burden to a patient; meanwhile, the existing self-made thrombus suction device cannot monitor the change condition of negative pressure in the device in the thrombus suction process; therefore, the operation error in the operation is easy to cause, and unsafe factors are brought to the treatment process of the patient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple thrombus suction device which not only can display the negative pressure condition in the suction device in real time, but also has simple structure and simple and convenient operation.

The utility model is realized by the following steps:

a simplified thrombus aspiration device comprising: the suction mechanism comprises a cylinder and a piston rod, the piston end of the piston rod is accommodated in the cylinder and is in slidable sealing connection with the inner wall of the cylinder, and an accommodating cavity is formed between the cylinder and the piston end; the pressure measuring device is characterized in that a suction port is formed in one end of the barrel, a bypass pipe is arranged close to the suction port, one end of the bypass pipe extends into the containing cavity, the end portion of the other end of the bypass pipe is arranged outside the barrel, and one end of the pressure measuring pipe is connected with the bypass pipe while the other end of the pressure measuring pipe is connected with the pressure detecting instrument.

Preferably, a pressing mechanism is fixedly arranged at one end of the cylinder body far away from the suction port, and a clamping mechanism is arranged on the pressing mechanism; the piston rod comprises a rod body, a plurality of limiting grooves are formed in the axis direction of the rod body, and the limiting grooves are clamped with the clamping mechanism.

Preferably, the clamping mechanism comprises two pin pieces which are oppositely arranged on the pressing mechanism, a U-shaped groove is formed in each pin piece, the pin pieces are respectively inserted into two parallel grooves corresponding to the U-shaped grooves through two screws and are fixed on the pressing mechanism in a sliding mode, and the pin pieces slide along the radial direction of the piston rod.

Preferably, the groove body of the limiting groove is provided with an anti-falling boss, and the anti-falling boss extends towards the direction of the cylinder body.

Preferably, the opening direction of the limiting groove and the rod body are arranged in an acute angle along the axial direction of the piston end.

Preferably, the catch mechanism is a latch.

Preferably, the piezometric tube is a silica gel hose.

Preferably, the bypass pipe projects at one end into the vicinity of the axial region of the barrel.

The utility model has the beneficial effects that:

according to the simple thrombus suction device obtained through the design, the suction mechanism for manufacturing a negative pressure environment is connected with the pressure detection instrument through the pressure measuring tube, so that the negative pressure state in the cylinder can be monitored in real time, and the bypass tube for connecting the pressure measuring tube extends into the cylinder, so that the phenomenon that the pressure measurement is inaccurate because the extracted thrombus directly blocks the bypass tube is avoided; in addition, through setting up card and holding mechanism and spacing groove, help the operator to stabilize suction device to relatively stable pressure environment, can liberate both hands simultaneously to make things convenient for the operator to adjust the pressure value of negative pressure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a simple thrombus aspiration device provided by an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the cylinder provided by the embodiment of the utility model;

FIG. 3 is a schematic structural view of a pumping mechanism provided in an embodiment of the present invention;

FIG. 4 is a schematic structural view of a catch mechanism provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic view of a spacing groove structure according to another embodiment of the present invention.

Icon: 10. a barrel; 11. a bypass pipe; 100. an accommodating cavity; 12. a pressing mechanism; 13. a pin piece; 130. a U-shaped groove; 14. a screw; 15. a chucking section; 16. a suction port; 20. a piston rod; 200. a rod body; 21. a trough body; 22. the anti-falling boss; 23. a piston end; 24. a limiting groove; 30. a pressure detection instrument; 31. pressure measuring pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Example (b):

referring to fig. 1 and 2, the present invention provides a simple thrombus aspiration device, including: the pressure detection instrument 30, the suction mechanism and the pressure measuring tube 31, wherein the suction mechanism comprises a cylinder 10 and a piston rod 20, a piston end 23 of the piston rod 20 is accommodated in the cylinder 10 and is in slidable sealing connection with the inner wall of the cylinder 10, and an accommodating cavity 100 is formed between the cylinder 10 and the piston end 23; one end of the cylinder 10 is provided with a suction port 16, the suction port 16 is used for sucking thrombus, and the thrombus enters the accommodating cavity 100 through the suction port 16 in the suction process; in addition, a bypass pipe 11 is disposed near the suction port 16, one end of the bypass pipe 11 extends into the accommodating cavity 100, the other end of the bypass pipe is disposed outside the cylinder 10, and one end of the pressure measuring pipe 31 is connected to the bypass pipe 11 and the other end is connected to the pressure detecting instrument 30. Wherein, the pressure-measuring pipe 31 is the silica gel hose, and the silica gel hose has stronger toughness, prevents that the negative pressure that holding cavity 100 produced from too big pipe body that leads to collapses, and leads to the pressure measurement failure or inaccurate. Furthermore, one end of the bypass pipe 11 extends into the vicinity of the axial line area of the cylinder 10, and the sucked thrombus naturally sinks to the bottom of the accommodating cavity 100 due to gravity factors after entering the accommodating cavity 100, so that the phenomenon that the bypass pipe 11 is directly blocked by the extracted thrombus to cause inaccurate pressure measurement is prevented.

Referring to fig. 3 and 4, a pressing mechanism 12 is fixedly disposed at an end of the barrel 10 away from the suction port 16, and a retaining mechanism is disposed on the pressing mechanism 12; the piston rod 20 comprises a rod body 200, a plurality of limiting grooves 24 are formed in the axis direction of the rod body 200, and the limiting grooves 24 are clamped with the clamping mechanism. Further, the clamping mechanism includes two pin pieces 13 oppositely disposed on the pressing mechanism 12, a U-shaped groove 130 is formed in the pin piece 13, the pin pieces 13 are respectively inserted into two parallel grooves corresponding to the U-shaped groove 130 through two screws 14, and the pin pieces 13 are slidably fixed on the pressing mechanism 12, and the pin pieces 13 radially slide along the piston rod 20, so that the clamping portion 15 at one end of the pin pieces 13 is engaged with the limiting groove 24.

Further, in order to ensure that the direct engagement state between the retaining portion 15 and the limiting groove 24 is stable, an anti-disengaging boss 22 is disposed on the groove body 21 of the limiting groove 24, and the anti-disengaging boss 22 extends towards the cylinder 10, please refer to fig. 3.

In order to ensure that the clamping state of the clamping part 15 and the limiting groove 24 is stable, the utility model further provides another embodiment, as shown in fig. 5, the opening direction of the limiting groove 24 and the rod body 200 are arranged in an acute angle along the axial direction of the piston end 23, and the action force of the rod body 200 moving towards the inside of the cylinder body 10 is applied under the action of negative pressure, so that after the clamping part 15 is clamped with the limiting groove 24, the clamping part 15 and the wall surface of the groove body 21 have an interaction force, and because the opening direction of the limiting groove 24 and the rod body 200 are arranged in an acute angle along the axial direction of the piston end 23, the clamping part 15 has an action force moving towards the axial direction of the rod body 200, thereby ensuring that the clamping part 15 is effectively clamped with the limiting groove 24, and avoiding falling of non-human factors.

In other embodiments, the retaining mechanism may be a latch.

The utility model has the beneficial effects that:

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A simplified thrombus aspiration device, comprising: the suction mechanism comprises a cylinder and a piston rod, the piston end of the piston rod is accommodated in the cylinder and is in slidable sealing connection with the inner wall of the cylinder, and an accommodating cavity is formed between the cylinder and the piston end; the pressure measuring device is characterized in that a suction port is formed in one end of the barrel, a bypass pipe is arranged close to the suction port, one end of the bypass pipe extends into the containing cavity, the end portion of the other end of the bypass pipe is arranged outside the barrel, and one end of the pressure measuring pipe is connected with the bypass pipe while the other end of the pressure measuring pipe is connected with the pressure detecting instrument.

2. The simple thrombus aspiration device according to claim 1, wherein: a pressing mechanism is fixedly arranged at one end of the cylinder body, which is far away from the suction port, and a clamping mechanism is arranged on the pressing mechanism; the piston rod comprises a rod body, a plurality of limiting grooves are formed in the axis direction of the rod body, and the limiting grooves are clamped with the clamping mechanism.

3. The simple thrombus aspiration device according to claim 2, wherein: the clamping mechanism comprises two pin pieces which are oppositely arranged on the pressing mechanism, a U-shaped groove is formed in each pin piece, the pin pieces are respectively inserted into two parallel grooves corresponding to the U-shaped grooves through two screws and are fixed on the pressing mechanism in a sliding mode, and the pin pieces slide along the radial direction of the piston rod.

4. The simple thrombus aspiration device according to claim 2, wherein: be provided with the anticreep boss on the cell body of spacing groove, the anticreep boss court the barrel direction extends.

5. The simple thrombus aspiration device according to claim 2, wherein: the opening direction of the limiting groove and the rod body are arranged in an acute angle along the axis direction of the piston end.

6. The simple thrombus aspiration device according to claim 2, wherein: the clamping mechanism is a bolt.

7. The simple thrombus aspiration device according to claim 1, wherein: the piezometric tube is a silica gel hose.

8. The simple thrombus aspiration device according to claim 1, wherein: one end of the bypass pipe extends into the vicinity of the axial line area of the barrel.