CN210903321U

CN210903321U - Multifunctional suction tube

Info

Publication number: CN210903321U
Application number: CN201921188710.6U
Authority: CN
Inventors: 王琛; 冯新哲; 张宸; 童文文; 徐一宏; 徐卫东
Original assignee: Shanghai Changhai Hospital
Current assignee: Shanghai Changhai Hospital
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-07-03
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a multifunctional suction tube which comprises three parts, namely a liquid suction structure, a suction structure and an anti-blocking structure. The liquid absorbing part is used for absorbing tissue liquid; the air suction structure is an umbrella-shaped cover body which can be opened and closed and is arranged on the main pipe body, and an air guide pipe is arranged on the inner side of the cover body and is used for attracting harmful smoke generated by an electrotome and the like after the cover body is opened; the anti-blocking structure is a filter screen arranged in the main pipe body and an air bag for providing flushing gas, and is used for dredging the inside of the suction pipe and ensuring smooth operation. The utility model discloses in, attract the pipe and collect imbibition, breathe in, prevent stifled function in an organic whole, have convenient high-efficient, save operation time's advantage.

Description

Multifunctional suction tube

Technical Field

The utility model relates to the field of medical equipment, concretely relates to multi-functional suction tube.

Background

The electric knife is widely applied to clinical operation, can play a role in well separating tissues and blood coagulation, and greatly improves the operation quality. However, when the electric knife burns tissues, the sharp taste of burnt feathers is often generated, and a large amount of harmful gases such as CO and acrylonitrile are contained in the electric knife, so that the health of a surgeon is affected. Therefore, in the operation using the electric knife, the suction of smoke and liquid (intraoperative hemorrhage, wound irrigation fluid, and the like) is generally performed at the same time, but in the clinical practice, the suction of smoke and liquid is currently performed as two independent devices, and there are problems that many suction devices are used and the operation is complicated.

For the suction tool of smog, the traditional drainage tube is adopted, however, because the design of drainage tube itself is not used for attracting the flue gas, consequently, the effect of using the flue gas of drainage tube attraction is relatively poor, often has the flue gas to absorb insufficient problem.

In addition, the existing suction tube has the following defects: 1) the anti-blocking design is not made, and the components such as blood clots, tissues and the like in drainage liquid are often blocked in the operation, so that the operation process is influenced; 2) the anti-slip design is not made, and grease is often oozed out in the operation and is stained on gloves, so that the suction tube is greasy and difficult to grasp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional aspirator attracts pipe can realize collecting to attract liquid and attracting smog function in an organic whole, and it is more convenient, high-efficient to operate, can also realize preventing stifled, anti-skidding function.

In order to achieve the above object, the utility model provides a multi-functional suction tube, include:

the first end of the main pipe body is a holding part, and the second end of the main pipe body is provided with a suction nozzle;

the cover body is elastic and is close to the second end of the main pipe body, the first end of the cover body is fixed on the main pipe body, and the second end of the cover body is tightly tied on the outer side of the main pipe body;

the air guide pipes are fixed on the inner side of the cover body and communicated with the main pipe body, and the air guide pipes are uniformly arranged along the circumferential direction of the cover body and extend along the radial direction of the cover body;

the sliding block is arranged at the first end of the main pipe body;

the number of the stay wires is the same as that of the air guide tubes, the first end of each stay wire is fixedly connected with the sliding block, and the second end of each stay wire is fixedly connected with the air guide tube;

when the sliding block drives the pull wire to move towards the first end of the main pipe body, the cover body is unfolded by the air guide pipe on the inner side of the cover body to form an umbrella shape; when the sliding block drives the pull wire to move towards the second end of the main pipe body, the cover body is folded and the air duct is made to cling to the outer wall of the main pipe body.

Preferably, in the multifunctional suction tube, the air duct is provided with a plurality of air guide holes along the length direction.

Preferably, in the multifunctional suction tube, a sliding groove is formed in the first end of the main tube body, the sliding block is arranged in the sliding groove in a sliding mode, a spring is arranged between the sliding block and the wall of the sliding groove, and when the spring is in a reset state, the cover body is in a furled state.

Preferably, in the multifunctional suction tube, a wire passing hole for passing a pulling wire is axially formed in the outer wall of the main tube body.

Preferably, in the multifunctional suction tube, the outer side of the gripping part of the suction tube is provided with a raised anti-slip thread.

Preferably, multi-functional attract pipe in, still include one and prevent stifled structure, prevent stifled structure and include filter screen, connecting pipe, exhaust gasbag, shutoff piece and plasticity diaphragm, the filter screen sets up in being responsible for the internal portion and be located the pipeline section that the cover body corresponds, is responsible for the pipeline section that is close to the portion of gripping on the body and is partly for the plasticity diaphragm, is responsible for the body intercommunication between the one end of connecting pipe and filter screen and the plasticity diaphragm, the other end and exhaust gasbag intercommunication, the shutoff piece is fixed in the lower part of exhaust gasbag to be located between exhaust gasbag and the plasticity diaphragm, when pressing the exhaust gasbag, the shutoff piece extrudes the plasticity diaphragm and will be responsible for the body shutoff.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the gripping part is provided with a raised anti-skid thread, so that the gripping is convenient;

2) the suction pipe can thoroughly suck away toxic smoke generated during electrotome operation so as to solve the problem that the smoke causes harm to the health of medical staff;

3) the suction tube integrates the functions of liquid suction and air suction, and the two working states can be freely switched, so that the device is convenient and efficient;

4) a filter screen is arranged in one end of the main pipe body close to the holding part, so that a blockage is prevented from entering the pipe cavity;

5) the anti-blocking structure is designed, when the suction tube blocks the filter screen or the suction nozzle, the air bag device can discharge the blocking object along with the air flow, the suction tube does not need to be taken down from the suction apparatus, and then the suction tube is dredged, so that the operation is smoother, and the operation time is saved.

Drawings

FIG. 1 is a longitudinal sectional view of a suction tube;

FIG. 2 is another longitudinal cross-sectional view of the suction tube;

FIG. 3 is a cross-sectional view of the slider;

fig. 4 is a schematic view of the cover being opened.

In the figure: 1-main pipe body, 11-holding part, 111-sliding groove, 112-sliding block, 113-spring, 114-anti-skid thread, 12-suction nozzle, 21-cover body, 22-air duct, 221-air guide hole, 23-pull wire, 31-filter screen, 32-connecting pipe, 33-exhaust air bag, 34-blocking block and 35-plastic membrane.

Detailed Description

The multi-functional aspirator suction tube of the present invention will now be described in greater detail with reference to the schematic drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

Referring to fig. 1 to 4, the multifunctional suction tube is composed of three major parts, namely a liquid suction structure, a suction structure and an anti-blocking structure. The liquid absorbing part is used for absorbing tissue liquid; the air suction structure is used for sucking harmful smoke generated by an electrotome and the like; the anti-blocking structure is used for dredging the inside of the suction tube and ensuring smooth operation.

The main tube 1 has a grip 11 at a first end and a suction nozzle 12 at a second end. The grip portion 11 is used for connection to a suction apparatus in an operating room, and when negative pressure is applied to the suction tube by the suction apparatus, tissue fluid such as blood is drawn out of the operating area through the suction nozzle 12. The outer side of the grip portion 11 has a raised anti-slip thread 114 for the operator to grasp.

In the present embodiment, a suction structure is provided on the main tube 1 near the suction nozzle 12. The inspiration structure comprises a cover body 21, an air duct 22, a sliding block 112 and a pull wire 23. The cover 21 has elasticity and is close to the second end of the main pipe body 1, the first end of the cover 21 is fixed on the main pipe body 1, and the second end is tightly tied on the outer side of the main pipe body 1.

Referring to fig. 4, the plurality of air ducts 22 are fixed on the inner side of the cover body 21 and communicated with the main pipe body 1, and the plurality of air ducts 22 are uniformly arranged along the circumferential direction of the cover body 21 and extend along the radial direction of the cover body 21. Each air duct 22 is provided with a plurality of air guide holes 221 along the length direction thereof. Preferably, the gas-guide tube 22 is in arc transition connection with the main tube body 1, and the arc section is a corrugated tube.

The slide block 112 is provided on the grip portion 11 of the main pipe 1 so as to be movable laterally in the axial direction. Specifically, a sliding groove 111 is provided at a first end of the main tube 1, a sliding block 112 is slidably disposed in the sliding groove 111, a spring 113 is disposed between the sliding block 112 and a wall of the sliding groove 111, when the spring 113 is in a reset state, the cover body 21 is in a folded state, and the air duct 22 is attached to an outer wall of the main tube 1, as shown in fig. 1 and 2.

The number of the stay wires 23 is the same as that of the air guide tubes 22, and a first end of each stay wire 23 is fixedly connected with the sliding block 112 and a second end of each stay wire 23 is fixedly connected with the air guide tube 22. The main pipe body 1 is provided with wire passing holes (not shown) with the same number as the wires 23, and the wires 23 are arranged in the wire passing holes. One end of the wire passing hole close to the cover body 21 is provided with a through hole (not shown) for the pulling wire 23 to pass through, and the second end of the pulling wire 23 is fixed on the air duct 22 after passing through the through hole.

Through the design, when the sliding block drives the pull wire 23 to move towards the first end (namely the holding part 11) of the main pipe body 1, the cover body 21 is opened by the air duct 22 at the inner side of the cover body to form an umbrella shape (as shown in fig. 4), and the smoke in the operation area can be sucked by starting the suction device, at the moment, the cover body 21 plays a role in smoke guiding, so that the smoke discharging efficiency can be improved; when the air suction function is not used, the sliding block drives the stay wire 23 to move towards the second end of the main pipe body 1 under the combined action of the spring 113 and the restoring force of the cover body 21, and the cover body 21 is folded and enables the air duct 22 to be tightly attached to the outer wall of the main pipe body 1.

The anti-blocking structure comprises a filter screen 31, a connecting pipe 32, an exhaust air bag 33, a blocking block 34 and a plastic membrane 35, wherein the filter screen 31 is arranged inside the main pipe body 1, and the filter screen 31 is positioned in a pipe section corresponding to the cover body 21, namely the filter screen 31 is close to the suction nozzle 12. The section of the main tube 1 adjacent to the gripping portion 11 is at least partially a plastic membrane. One end of the connection tube 32 communicates with the primary tube 1 between the strainer 31 and the plastic membrane 35, and the other end communicates with the air-bleeding bladder 33. The blocking block 34 is fixed at the lower part of the air exhaust air bag 33 and is positioned between the air exhaust air bag 33 and the plastic membrane 35, namely, the blocking block 34 is arranged corresponding to the plastic membrane 35, and when the air exhaust air bag 33 is pressed, the blocking block 34 presses the plastic membrane 35 to block the outlet of the main pipe body 1. The structure and the operation principle of the air exhaust bag 33 are the same as those of a conventional pressurizing ball (an inflation bag used in a sphygmomanometer), and the pressurizing ball is generally provided with a one-way air inlet valve a and a one-way air outlet valve b (see fig. 1).

In this embodiment, the main tube 1 is made of a rigid plastic material, and the connection tube 32 is made of a flexible material, that is, when the exhaust air bag 33 is pressed, the exhaust air bag 33 provides flushing gas into the lumen of the main tube 1 through the connection tube 32, the gas flushes to the filter screen 31 along the connection tube 32, and blows away the filter screen 31 or the blockage at the suction nozzle 12, thereby achieving the purpose of dredging the suction tube; on the other hand, the air exhaust bag 33 is close to the main pipe body 1, and simultaneously drives the blocking block 34 to extrude the plastic membrane 35 to block the outlet of the suction pipe, so that the influence of the air flow at the end of the suction apparatus is avoided.

The working principle of the suction tube is as follows:

1. liquid absorbing part

The lumen of the main tube body 1 of the suction tube is used as a channel for sucking liquid, and a filter screen 31 is arranged in the suction tube, so that the function of preliminary blocking prevention can be achieved.

2. Air intake part

The air suction part is provided with a cover body 21 which is opened to be in an umbrella shape, the inner side surface of the cover body 21 is provided with a plurality of air guide tubes 22, and when liquid is sucked, the air guide tubes 22 are attached to the outer side of the main pipe body 1 under the constraint of the cover body 21; when air suction is needed, the sliding block 112 is pushed towards the holding part 11, the pull wire 23 pulls each air duct 22 to expand along the radial direction, so that the cover body 21 is opened, the cover body 21 plays a role in guiding air flow, and air can be absorbed to the maximum extent. After the air suction is finished, the sliding block is released, and the air duct 22 is folded towards the main pipe body 1 under the combined action of the cover body 21 and the spring 113 because the cover body 21 has elasticity, so that the cover body 21 is closed and attached to the main pipe body 1 again.

3. Anti-blocking structure

The anti-blocking structure mainly comprises two parts: a screen 31 and an air bag. The screen 31 performs the basic filtering function, blocking the bulk of the obstruction from entering the aspirator, causing a blockage inside the machine. When the filter screen 31 or the suction nozzle 12 is clogged, since the clogged part is often inside the suction tube, it is difficult to take out the clogging, and the suction tube is often replaced, which wastes time and medical resources. The air bag plays a key role at the moment, the air bag comprises an exhaust air bag 33 and a blocking block 34, the two processes are carried out when the exhaust air bag 33 is pressed, the tube cavity of the main tube body 1 is closed, and air suction is not carried out any more; then the air in the air exhaust air bag 33 rushes out air to the mouth of the suction tube, and the blockage is sprayed out along with the air flow.

4. Grip 11

The outer wall of the holding part 11 is provided with a convex anti-slip thread 114, so that a user can firmly hold the suction tube, and the design can prevent slipping during grabbing in an operation.

The use process of the suction tube is as follows:

1. liquid suction: the antiskid holding part 11 is grasped, and the liquid can be absorbed after the suction pipe orifice is inserted into the liquid;

2. air suction: when air suction is needed, the cover body 21 is opened, the umbrella-shaped cover body 21 is aligned with air to suck air, the sliding block is loosened after air suction is completed, and the cover body 21 is restored to the original state;

3. and (3) discharging the blockage: when a blockage is blocked in the operation to the suction nozzle 12 or the filter screen 31, the air exhaust air bag 33 is pressed, and the blockage is flushed out along with the air. The balloon may be depressed multiple times until the obstruction is completely expelled.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. A multifunctional suction tube, comprising:

the sliding block is arranged at the first end of the main pipe body;

2. The multifunctional suction tube as claimed in claim 1, wherein the air duct is provided with a plurality of air vents along the length direction thereof.

3. The multifunctional suction tube as claimed in claim 1, wherein the grip portion has a sliding groove, the sliding block is slidably disposed in the sliding groove, a spring is disposed between the sliding block and a wall of the sliding groove, and when the spring is in a reset state, the cover is in a closed state.

4. The multifunctional suction tube as claimed in claim 1, wherein the outer wall of the main tube body is provided with a wire passing hole for passing a pulling wire along an axial direction.

5. The multifunctional suction tube as claimed in claim 1, wherein the outside of the grip portion of the suction tube has a raised anti-slip thread.

6. The multifunctional suction tube according to claim 1, further comprising an anti-blocking structure, wherein the anti-blocking structure comprises a filter screen, a connecting tube, an exhaust air bag, a blocking block and a plastic membrane, the filter screen is disposed inside the main tube body and located at a tube section corresponding to the cover body, at least a portion of the tube section on the main tube body near the holding portion is the plastic membrane, one end of the connecting tube is communicated with the main tube body between the filter screen and the plastic membrane, the other end of the connecting tube is communicated with the exhaust air bag, the blocking block is fixed at the lower portion of the exhaust air bag and located between the exhaust air bag and the plastic membrane, and when the exhaust air bag is pressed, the blocking block extrudes the plastic membrane to block the main tube body.