CN214859705U - Negative pressure aspirator for thoracoscope surgery - Google Patents

Abstract

The utility model discloses a negative pressure aspirator for thoracoscope surgery, including attracting the pipe, its characterized in that: a washing pipe is sleeved outside the suction pipe, the top and the bottom of the suction pipe respectively penetrate through the top and the bottom of the washing pipe, and a washing cavity is formed between the suction pipe and the washing pipe; the side wall of the flushing pipe is connected with a liquid inlet pipe, and the end part of the liquid inlet pipe is communicated with the flushing cavity; two flushing grooves are symmetrically arranged on the left side wall and the right side wall of the suction pipe close to the bottom, the tops of the flushing grooves are higher than the bottom of the flushing pipe, and a flushing port is formed between the tops of the flushing grooves and the bottom of the flushing pipe; the front side wall and the rear side wall of the flushing pipe, which are close to the bottom, are provided with a plurality of suction holes, and the suction holes are positioned below the flushing pipe. The utility model discloses a thoracoscope is negative pressure suction ware for operation washes and separates completely with the passageway of negative pressure suction, can also avoid absorbing liquid backward flow to in the thorax simultaneously, has reduced the risk of infecting.

Description

Negative pressure aspirator for thoracoscope surgery

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a negative pressure aspirator for thoracoscopic surgery.

Background

In recent years, the development of science and technology has led to a great development of laparoscopic surgery, and laparoscopes having a minimally invasive effect have played a great role in the diagnosis and treatment of urological diseases, especially in partial nephrectomy. Laparoscopic nephrectomy is the primary modality of kidney cancer nephron-sparing nephrons, which is operated with the key point of minimizing the time to renal warm ischemia. The laparoscopic surgery mode has the same treatment effect as the traditional open surgery mode, has the advantages of small incision, quick recovery and the like, and is widely applied at present. The laparoscopic surgery mode requires that carbon dioxide is used for inflation in advance to manufacture an artificial air cavity, then an operation channel is established to carry out operation on a focus part, and bleeding, tissue seepage or liquid secreted by other organs inevitably flows out in the operation process to influence the visual field and operation of an operator.

The peritoneoscope aspirator is the principle that utilizes the negative pressure, and the hemorrhage or other liquid that produce in with the operation are absorbed, still need utilize the peritoneoscope aspirator to wash the tissue in the operation field scope at some operation in-process, and current peritoneoscope aspirator is from a passageway business turn over when washing and negative pressure suction, and partial drainage liquid can flow back to the abdominal cavity when washing, has increased the infection risk.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a thoracoscope is negative pressure aspirator for operation, will wash and separate completely with the passageway of negative pressure suction, can also avoid simultaneously that the suction liquid flows backward to in the thorax, has reduced the risk of infecting.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a negative pressure aspirator for thoracoscope surgery, includes and attracts pipe, its characterized in that: a washing pipe is sleeved outside the suction pipe, the top and the bottom of the suction pipe respectively penetrate through the top and the bottom of the washing pipe, and a washing cavity is formed between the suction pipe and the washing pipe;

the side wall of the flushing pipe is connected with a liquid inlet pipe, and the end part of the liquid inlet pipe is communicated with the flushing cavity;

two flushing grooves are symmetrically arranged on the left side wall and the right side wall of the suction pipe close to the bottom, the tops of the flushing grooves are higher than the bottom of the flushing pipe, and a flushing port is formed between the tops of the flushing grooves and the bottom of the flushing pipe;

the front side wall and the rear side wall of the flushing pipe, which are close to the bottom, are provided with a plurality of suction holes, and the suction holes are positioned below the flushing pipe.

Furthermore, a one-way valve for preventing backflow is arranged in the suction tube and is positioned above the suction hole.

Further, a handle is arranged between the top of the suction tube and the liquid inlet tube, and a suction button and a flushing button are arranged on the handle.

Furthermore, the handle is provided with anti-skid grains, and the anti-skid grains are positioned between the suction button and the flushing button.

Furthermore, the bottom of the suction tube is of a conical structure.

The utility model has the advantages that: compared with the prior art, the utility model has the improvement that,

1. the utility model is provided with the flushing pipe sleeve outside the suction pipe, a flushing cavity is formed between the flushing pipe and the suction pipe, and the suction pipe is internally provided with the suction cavity, thereby completely separating the negative pressure suction channel from the flushing channel, avoiding the use of the same channel when the existing negative pressure suction apparatus is used for flushing and negative pressure suction, and reinjecting partial tissue fluid in the suction pipe into the thoracic cavity when flushing, thus increasing the risk of infection;

2. the utility model discloses set up the suction hole on the lateral wall around the suction tube, tissue fluid or clot gets into the suction tube inside from the bottom of suction tube and suction hole in the suction process, and set up the flushing tank on the lateral wall about the suction tube, the flush fluid in the flushing chamber flows to the place that needs to wash through the flushing tank, because the flushing tank is different with the position that sets up of suction hole, thereby further avoided the flush fluid reinjection to the thorax with remaining clot or other tissue exudates in suction hole edge when washing;

3. the utility model discloses set up the handle between attracting pipe and feed liquor pipe, conveniently grip, and when carrying out the negative pressure suction operation and washing the operation, the direction is gripped in the rotation, can will attract the button or wash the button and adjust to the place ahead of thumb, conveniently press the button that corresponds and carry out corresponding operation, set up anti-skidding line on the handle and can increase frictional force.

4. The utility model discloses set up one-way valve in attracting the pipe, can prevent to attract intraductal tissue sepage or clot to flow backwards to the thorax when not having the negative pressure suction effect in, increase the infection risk, attract the bottom of pipe to set up the area of contact that the conical structure can reduce to attract pipe and the surface of a wound, alleviate patient's misery.

Drawings

Fig. 1 is a front view of the external structure of the vacuum extractor of the present invention.

Fig. 2 is a side view of the external structure of the vacuum extractor of the present invention.

Fig. 3 is a front view of the internal structure of the vacuum extractor of the present invention.

Fig. 4 is a cross-sectional view along direction AA of fig. 3 according to the present invention.

Fig. 5 is a schematic view of the connection between the bottom of the suction tube and the irrigation tube.

Wherein: 1-suction tube, 2-flushing tube, 3-flushing cavity, 4-liquid inlet tube, 5-flushing groove, 6-flushing port, 7-suction hole, 8-one-way valve, 9-handle, 10-suction button, 11-flushing button and 12-anti-skid pattern.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to fig. 1-5, the negative pressure suction apparatus for thoracoscope surgery comprises a suction tube 1, wherein the top (rear end) of the suction tube 1 is connected with a negative pressure device for negative pressure suction, the bottom (rear end) of the suction tube 1 is used for extending into the thoracic cavity of a patient to suck tissue exudate or blood clots, and the front end and the rear end of the suction tube 1 are both of an open structure, so that a negative pressure suction channel is formed in the suction tube 1;

furthermore, attract 1 overcoat of pipe to be equipped with flushing pipe 2, attract the top and the bottom of pipe 1 to run through respectively flushing pipe 2's top and bottom, flushing pipe 2's top and bottom all with attract the lateral wall welded fastening of pipe 1, thereby make attract pipe 1 with form hollow structure between flushing pipe 2, hollow structure is for washing chamber 3, be connected with inclined feed liquor pipe 4 on flushing pipe 2's the lateral wall, the tip of feed liquor pipe 4 with wash chamber 3 intercommunication, pour into the flush fluid into from feed liquor pipe 4, the flush fluid enters into washing chamber 3 through the feed liquor pipe.

Furthermore, two flushing grooves 5 are symmetrically arranged on the left side wall and the right side wall of the suction tube 1 close to the bottom, the top of each flushing groove 5 is higher than the bottom of each flushing tube 2, a flushing port 6 is formed between the top of each flushing groove 5 and the bottom of each flushing tube 2, flushing liquid in the flushing cavity 3 flows into each flushing groove 5 through the flushing port 6, and then flows into the chest cavity from the bottom of the outer side wall of the suction tube 1 to flush tissues and organs needing to be flushed.

Furthermore, a plurality of suction holes 7 are formed in the front side wall and the rear side wall of the flushing pipe 2 close to the bottom, the suction holes 7 are located below the flushing pipe 2, tissue seepage and blood clots are sucked into the suction pipe 1 from the opening at the bottom of the suction pipe 1, and the tissue seepage and the blood clots can be sucked into the suction pipe 1 through the suction holes 7, so that the suction holes 7 and the flushing groove 5 are arranged in different directions, the phenomenon that the residual tissue seepage or blood clots on the edges of the suction holes 7 are flushed into the thoracic cavity of a patient by flushing fluid during flushing can be avoided, infection risks are increased, and in the whole negative pressure suction apparatus, the negative pressure suction channel and the flushing channel are completely separated, and the infection risks are reduced to the maximum extent.

Further, a one-way valve 8 for preventing backflow is arranged in the suction tube 1, and the one-way valve 8 is positioned above the suction hole 7; the one-way valve 8 divides the inside of the suction tube 1 into two spaces, when the inside of the suction tube 1 is in a negative pressure state, the one-way valve 8 is opened under the action of negative pressure to start negative pressure suction operation, and after the negative pressure suction operation is finished, the one-way valve 8 is closed, and tissue seepage or blood clots sucked into the suction tube 1 cannot flow back into the thoracic cavity due to the fact that the one-way valve 8 is in a closed state.

Further, a handle 9 is arranged between the top of the suction tube 1 and the liquid inlet tube 4, a triangular structure is formed among the handle 9, the suction tube 1 and the liquid inlet tube 4, the stability is good, the handle is convenient to hold, a suction button 10 and a flushing button 11 are arranged on the handle 9, the suction button 10 is close to the suction tube 1 and used for controlling the opening and closing of the suction tube 1, and the flushing button 1 is close to the liquid inlet tube 4 and used for controlling the opening and closing of the liquid inlet tube 4; the suction button 10 and the flushing button 11 are push buttons on the existing suction apparatus for thoracoscope surgery, when negative pressure suction operation is carried out, the handle 9 is held to enable the suction button 10 to be positioned in front of a thumb, when flushing operation is carried out, the holding direction is adjusted to enable the flushing button 11 to be positioned in front of the thumb, and therefore the suction button 10 and the flushing button 11 can be operated conveniently.

Further, be equipped with anti-skidding line 12 on the handle 9, anti-skidding line 12 is located attract between the button 10 and wash the button 11, the frictional force of hand when anti-skidding line 12 can increase and grip places the aspirator landing.

Furthermore, the bottom of the suction tube 1 is of a conical structure, so that the operation in a narrow space in the abdominal cavity is facilitated, and the damage of the suction device to the wound surface is reduced as much as possible.

Preferably, the outer diameter of the suction tube 1 of the negative pressure suction apparatus in the utility model is 6mm-14mm, the outer diameter of the flushing tube 2 is 7mm-16mm, and the diameter of the suction hole 7 is 2mm-3 mm.

The utility model discloses a negative pressure aspirator is when using, will attract pipe 1 and negative pressure suction device to be connected, be connected the water source of feed liquor pipe 4 and flush fluid (or be connected with the syringe that is annotated with the flush fluid, pour into the flush fluid into feed liquor pipe 4 through the syringe), will attract the bottom of pipe to stretch into human abdominal cavity through puncture ware Trocar hole, open and attract button 10, be the negative pressure state in whole attracting pipe 1, begin to attract the operation, one-way valve 8 also opens under the effect of negative pressure, tissue oozing liquid and clot etc. can pass through the opening of attracting pipe 1 tip and attract hole 7 and enter and attract pipe 1, after attracting, close and attract button 10, one-way valve 8 also closes thereupon; because the one-way valve 8 is in the closed state, the tissue seepage or the blood clot is gathered above the closed one-way valve 8, and the tissue seepage or the blood clot is effectively prevented from entering the abdominal cavity of the patient again. When needs wash the operation, open and wash button 11, pour into flush fluid into feed liquor pipe 4 in, the flush fluid enters into through feed liquor pipe 4 and washes the chamber 3 in, then from washing 6 inflow washover groove 5 of the mouth of washing 3 bottoms in washing chamber, flow into patient's abdominal cavity along washover groove 5, wash needs abluent tissue organ, wash the back that finishes, close and wash button 11, attract together through attracting flush fluid and the tissue sepage of pipe 1 in to the thorax, make its discharge thorax.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a negative pressure aspirator for thoracoscopic surgery, includes attracts pipe (1), its characterized in that: a washing pipe (2) is sleeved outside the suction pipe (1), the top and the bottom of the suction pipe (1) respectively penetrate through the top and the bottom of the washing pipe (2), and a washing cavity (3) is formed between the suction pipe (1) and the washing pipe (2);

a liquid inlet pipe (4) is connected to the side wall of the flushing pipe (2), and the end part of the liquid inlet pipe (4) is communicated with the flushing cavity (3);

two flushing grooves (5) are symmetrically arranged on the left side wall and the right side wall of the suction pipe (1) close to the bottom, the tops of the flushing grooves (5) are higher than the bottom of the flushing pipe (2), and flushing ports (6) are formed between the tops of the flushing grooves (5) and the bottom of the flushing pipe (2);

a plurality of suction holes (7) are formed in the front side wall and the rear side wall, close to the bottom, of the flushing pipe (2), and the suction holes (7) are located below the flushing pipe (2).

2. The negative pressure aspirator for thoracoscopic surgery according to claim 1, wherein: one-way valves (8) for preventing reflux are arranged in the suction tubes (1), and the one-way valves (8) are located above the suction holes (7).

3. The negative pressure aspirator for thoracoscopic surgery according to claim 1, wherein: a handle (9) is arranged between the top of the suction tube (1) and the liquid inlet tube (4), and a suction button (10) and a flushing button (11) are arranged on the handle (9).

4. The negative pressure aspirator for thoracoscopic surgery according to claim 3, wherein: the handle (9) is provided with anti-skid grains (12), and the anti-skid grains (12) are positioned between the suction button (10) and the flushing button (11).

5. The negative pressure aspirator for thoracoscopic surgery according to claim 1, wherein: the bottom of the suction tube (1) is of a conical structure.

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