CN211272655U - Anti-backflow telescopic laparoscopic aspirator - Google Patents
Anti-backflow telescopic laparoscopic aspirator Download PDFInfo
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- CN211272655U CN211272655U CN201921717298.2U CN201921717298U CN211272655U CN 211272655 U CN211272655 U CN 211272655U CN 201921717298 U CN201921717298 U CN 201921717298U CN 211272655 U CN211272655 U CN 211272655U
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- main rod
- suction
- rod
- telescopic
- extension rod
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Abstract
The utility model discloses a backflow-preventing telescopic laparoscopic aspirator, which comprises a main rod, an extension rod, an aspirator handle and a negative pressure suction tube in sequence, wherein the main rod is telescopically connected with the extension rod, and the length can be randomly adjusted according to the needs of the operation during the operation; the anti-backflow one-way valve is arranged in the main rod close to the front end, and is opened when the suction button is opened and closed when suction is stopped; meanwhile, the middle section of the main rod is of a wave-shaped structure, one end of the main rod, which is close to the one-way valve, is bent downwards, and when the suction is stopped, the backflow suction liquid enters the wave-shaped bottom, so that the suction liquid is effectively prevented from flowing back to the front end of the suction apparatus and flowing into the operation visual field. The utility model relates to a simply, convenient to use, length to the difference can stretch out and draw back, can also prevent palirrhea, have extensive application prospect in medical field.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a scalable peritoneoscope aspirator of anti-refluence.
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 laparoscope suction apparatus utilizes the principle of negative pressure to suck the bleeding or other liquid generated in the operation, but the length of the existing laparoscope suction apparatus can not be freely adjusted according to the operation requirement, which affects the operation of doctors.
Disclosure of Invention
To the above existing problems, the utility model aims to provide a scalable peritoneoscope aspirator of preventing refluence that not only can prevent to attract liquid, can also adjust length at will according to the operation needs.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a prevent scalable peritoneoscope aspirator of refluence which characterized in that: the self-resetting type telescopic valve comprises a main rod and an extension rod, wherein the rear end of the main rod is telescopically connected with the front end of the extension rod through a self-resetting type telescopic connecting piece, a plurality of suction holes are formed in the front end of the main rod, and a backflow-preventing one-way valve is arranged in the main rod close to the front end; the rear end of the extension rod is sequentially connected with a suction apparatus handle and a negative pressure suction tube, and a suction button is arranged on the suction apparatus handle.
Further, the length of the main rod is 20cm, and the diameter of the main rod is 0.35 cm.
Furthermore, the length of the extension rod is 40cm, and the diameter of the extension rod is 0.4 cm.
Furthermore, the middle section of the main rod is wavy, and one end of the wavy main rod, which is close to the one-way valve, is bent downwards;
furthermore, the self-resetting telescopic connecting piece comprises an elastic chuck arranged on the main rod and a plurality of clamping grooves arranged in the extension rod; the telescopic extension rod is characterized in that the rear end of the main rod is provided with an elastic clamping head up and down respectively, the front end inside the extension rod is correspondingly provided with a plurality of clamping grooves up and down respectively, and the elastic clamping heads are matched with the clamping grooves to connect the main rod on the extension rod in a telescopic manner.
Furthermore, the elastic clamping head comprises an elastic steel sheet and a protrusion, and the protrusion is fixedly connected with the elastic steel sheet.
Furthermore, the protrusion and the clamping groove are both hemispherical, and the size of the protrusion is the same as that of the clamping groove.
Furthermore, the front end of the main rod is of a conical structure.
Further, the length of the conical structure is 1cm, and the diameter of the opening of the conical structure is 0.35 cm.
The utility model has the advantages that: compared with the prior art, the utility model has the improvement that,
1. the middle section of the main rod of the anti-backflow telescopic laparoscopic aspirator of the utility model adopts wave shape, and is matched with the single valve, thereby effectively preventing the backflow of the suction liquid when stopping suction;
2. the anti-reflux telescopic laparoscopic aspirator of the utility model can freely adjust the length according to the operation requirement.
Drawings
Fig. 1 is a schematic structural view of an anti-reflux telescopic laparoscopic aspirator according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of an anti-reflux telescopic laparoscopic aspirator according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of the junction between the main rod and the extension rod of the present invention;
fig. 4 is an enlarged view of the region a of the present invention.
Fig. 5 is a schematic view of the connection structure of the one-way valve and the main rod of the present invention.
Wherein: 1-main rod, 11-suction hole, 12-one-way valve, 13-elastic chuck, 131-elastic steel sheet, 132-bulge, 2-extension rod, 21-clamping groove, 3-suction apparatus handle, 31-suction button and 4-negative pressure suction tube.
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.
The first embodiment is as follows:
referring to fig. 1, 3-5, the anti-reflux telescopic laparoscopic aspirator comprises a main rod 1 and an extension rod 2, wherein the rear end of the main rod 1 is telescopically connected with the front end of the extension rod 2 through a telescopic connecting piece; the rear end of the extension rod 2 is sequentially connected with an aspirator handle 3 and a negative pressure suction tube 4, and the aspirator handle 3 is provided with a suction button 31.
Specifically, the length of the main rod 1 is 20cm, and the diameter of the main rod is 0.35 cm.
Specifically, the length of the extension rod 2 is 40cm, and the diameter is 0.4 cm.
Further, three anti-backflow one-way valves 12 are welded on the inner wall of the main rod 1 near the front end; the main rod 1 can be divided into two completely separated spaces by the three one-way valves 12, when the suction button 31 is pressed down, the whole laparoscopic suction apparatus is in a negative pressure state, suction operation is started, the one-way valves 12 are also opened under the action of negative pressure, suction liquid can enter the negative pressure suction tube 4 through the main rod 1 and the extension rod 2, and after the suction is finished, the suction button is closed, and the one-way valves 12 are also closed; because the one-way valve is in the closed state, the refluent suction fluid can not flow out of the main rod 1.
Specifically, the telescopic connecting piece comprises an elastic chuck 13 arranged on the main rod 1 and a plurality of clamping grooves 21 arranged in the extension rod 2; the rear end of the main rod 1 is provided with an elastic chuck 13 up and down, the elastic chuck 13 comprises an elastic steel sheet 131 and a protrusion 132, the protrusion 132 is in a semi-sphere shape, and the main rod 1, the elastic steel sheet 131 and the protrusion 132 are in an integrated structure;
a plurality of clamping grooves 21 are correspondingly arranged at the upper part and the lower part of the front end inside the extension rod 2 respectively, the clamping grooves 21 are also in a semi-sphere shape, and the clamping grooves 21 and the protrusions 132 have the same size; when the protrusion 132 is just clamped at the clamping groove 21, the main rod 1 and the extension rod 2 can be fixedly connected; when the length needs to be lengthened, the main rod 1 and the extension rod 2 are pulled, the elastic steel sheet 131 is compressed under the action of external force, the protrusion 132 is pulled out of the clamping groove 21, the whole main rod 1 can move in the extension rod 2, when the length is pulled to the required length, the protrusion 132 is clamped into the clamping groove 21, the elastic steel sheet 131 props against the protrusion 132, and the protrusion 132 is clamped in the clamping groove 21 and does not move any more; similarly, when the length needs to be shortened, the main rod 1 and the extension rod 2 are pushed, the elastic steel sheet 131 is compressed under the action of external force, the protrusion 132 is pushed out of the clamping groove 21, the whole main rod 1 can move in the extension rod 2, when the length is pushed to the required length, the protrusion 132 is clamped into the clamping groove 21, and the elastic steel sheet 131 props against the protrusion 132, so that the protrusion 132 is clamped in the clamping groove 21 and does not move any more; a plurality of clamping grooves 21 are formed in the extension rod 2, so that the main rod 1 and the extension rod 2 can be adjusted in different lengths.
Furthermore, the front end of the main rod 1 is provided with a plurality of suction holes 11, the front end of the main rod 1 is inserted into the body abdominal cavity effusion, blood or other tissue fluid enters the main rod 1 through the suction holes 11, and the surgical field is cleaned;
furthermore, the front end of the main rod 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 apparatus to the wound surface is reduced as much as possible.
Specifically, the length of the conical structure is 1cm, and the diameter of the opening of the conical structure is 0.35 cm.
When the anti-reflux telescopic laparoscopic aspirator of the utility model is used, the extension rod and the main rod are firstly pulled and pulled according to the operation requirement, the length of the aspirator is adjusted, the negative pressure suction pipe is communicated with the negative pressure controller, and the use state of all instruments is checked to be normal; the front end of the laparoscopic aspirator is extended into the abdominal cavity of a human body through a Trocar hole, an aspiration button is opened, the whole laparoscopic aspirator is in a negative pressure state, aspiration operation is started, a one-way valve is also opened under the action of negative pressure, an aspiration liquid can enter a negative pressure aspiration tube through a main rod and an extension rod, and after aspiration is finished, the aspiration button is closed, and the one-way valve is also closed; because the one-way valve is in the closed state, palirrhea suction fluid also can not flow out the mobile jib, and palirrhea suction fluid assembles in the top of the single valve that has closed, has effectually prevented that suction fluid from reentrying into human abdominal cavity again.
Example two:
referring to fig. 2-5, the anti-backflow telescopic laparoscopic aspirator comprises a main rod 1 and an extension rod 2, wherein the rear end of the main rod 1 is telescopically connected with the front end of the extension rod 2 through a telescopic connecting piece; the rear end of the extension rod 2 is sequentially connected with an aspirator handle 3 and a negative pressure suction tube 4, and the aspirator handle 3 is provided with a suction button 31.
Specifically, the length of the main rod 1 is 20cm, and the diameter of the main rod is 0.35 cm.
Specifically, the length of the extension rod 2 is 40cm, and the diameter is 0.4 cm.
Further, the middle section of the main rod 1 is wavy, one end of the wavy shape close to the single valve 12 is bent downwards, three anti-backflow one-way valves 12 are bonded on the inner wall of the main rod 1 close to the front end, and the three one-way valves 12 can divide the main rod 1 into two completely separated spaces; when the suction button 31 is pressed down, the whole laparoscopic suction apparatus is in a negative pressure state, suction operation is started, the one-way valve 12 is also opened under the action of negative pressure, suction liquid can enter the negative pressure suction tube 4 through the main rod 1 and the extension rod 2, and after suction is finished, the suction button is closed, and the one-way valve 12 is also closed; the refluence suction fluid assembles the crooked bottom of wave, has effectually prevented that suction fluid from entering into the front end of mobile jib 1, even if there is a small amount of suction fluid to flow back to the wave front end, because one-way valve is in the closed condition, palirrhea suction fluid also can not flow out mobile jib 1.
Specifically, the telescopic connecting piece comprises an elastic chuck 13 arranged on the main rod 1 and a plurality of clamping grooves 21 arranged in the extension rod 2; the rear end of the main rod 1 is provided with an elastic chuck 13 up and down, the elastic chuck 13 comprises an elastic steel sheet 131 and a protrusion 132, the protrusion 132 is in a semi-sphere shape, and the main rod 1, the elastic steel sheet 131 and the protrusion 132 are in an integrated structure;
a plurality of clamping grooves 21 are correspondingly arranged at the upper part and the lower part of the front end inside the extension rod 2 respectively, the clamping grooves 21 are also in a semi-sphere shape, and the clamping grooves 21 and the protrusions 132 have the same size; when the protrusion 132 is just clamped at the clamping groove 21, the main rod 1 and the extension rod 2 can be fixedly connected; when the length needs to be lengthened, the main rod 1 and the extension rod 2 are pulled, the elastic steel sheet 131 is compressed under the action of external force, the protrusion 132 is pulled out of the clamping groove 21, the whole main rod 1 can move in the extension rod 2, when the length is pulled to the required length, the protrusion 132 is clamped into the clamping groove 21, the elastic steel sheet 131 props against the protrusion 132, and the protrusion 132 is clamped in the clamping groove 21 and does not move any more; similarly, when the length needs to be shortened, the main rod 1 and the extension rod 2 are pushed, the elastic steel sheet 131 is compressed under the action of external force, the protrusion 132 is pushed out of the clamping groove 21, the whole main rod 1 can move in the extension rod 2, when the length is pushed to the required length, the protrusion 132 is clamped into the clamping groove 21, and the elastic steel sheet 131 props against the protrusion 132, so that the protrusion 132 is clamped in the clamping groove 21 and does not move any more; a plurality of clamping grooves 21 are formed in the extension rod 2, so that the main rod 1 and the extension rod 2 can be adjusted in different lengths.
Furthermore, the front end of the main rod 1 is provided with a plurality of suction holes 11, the front end of the main rod 1 is inserted into the body abdominal cavity effusion, blood or other tissue fluid enters the main rod 1 through the suction holes 11, and the surgical field is cleaned;
furthermore, the front end of the main rod 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 apparatus to the wound surface is reduced as much as possible.
Specifically, the length of the conical structure is 1cm, and the diameter of the opening of the conical structure is 0.35 cm.
When the anti-reflux telescopic laparoscopic aspirator of the utility model is used, the extension rod and the main rod are firstly pulled and pulled according to the operation requirement, the length of the aspirator is adjusted, the negative pressure suction pipe is communicated with the negative pressure controller, and the use state of all instruments is checked to be normal; the front end of the laparoscopic aspirator is extended into the abdominal cavity of a human body through a Trocar hole, an aspiration button is opened, the whole laparoscopic aspirator is in a negative pressure state, aspiration operation is started, a one-way valve is also opened under the action of negative pressure, an aspiration liquid can enter a negative pressure aspiration tube through a main rod and an extension rod, and after aspiration is finished, the aspiration button is closed, and the one-way valve is also closed; the refluence suction fluid assembles the crooked bottom of wave, has effectually prevented that suction fluid from entering into the front end of mobile jib, even if there is a small amount of suction fluid to flow back to the wave front end, because one-way valve is in the closed condition, palirrhea suction fluid also can not flow out the mobile jib.
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 (9)
1. The utility model provides a prevent scalable peritoneoscope aspirator of refluence which characterized in that: the anti-backflow check valve comprises a main rod (1) and an extension rod (2), wherein the rear end of the main rod (1) is in telescopic connection with the front end of the extension rod (2) through a self-resetting telescopic connecting piece, a plurality of suction holes (11) are formed in the front end of the main rod (1), and a check valve (12) for preventing backflow is arranged in the main rod (1) close to the front end; the rear end of the extension rod (2) is sequentially connected with a suction apparatus handle (3) and a negative pressure suction tube (4), and a suction button (31) is arranged on the suction apparatus handle (3).
2. The anti-reflux telescopic laparoscopic aspirator according to claim 1, wherein: the length of the main rod (1) is 20cm, and the diameter of the main rod is 0.35 cm.
3. The anti-reflux telescopic laparoscopic aspirator according to claim 1, wherein: the length of the extension rod (2) is 40cm, and the diameter of the extension rod is 0.4 cm.
4. The anti-reflux telescopic laparoscopic aspirator according to claim 1, wherein: the middle section of the main rod (1) is of a wave-shaped structure, and one end, close to the one-way valve (12), of the wave shape is bent downwards.
5. The anti-reflux telescopic laparoscopic aspirator according to claim 1, wherein: the self-resetting telescopic connecting piece comprises an elastic chuck (13) arranged on the main rod (1) and a plurality of clamping grooves (21) arranged in the extension rod (2); the telescopic connecting rod is characterized in that the upper end and the lower end of the rear end of the main rod (1) are respectively provided with an elastic clamping head (13), the upper end and the lower end of the front end inside the extension rod (2) are respectively and correspondingly provided with a plurality of clamping grooves (21), and the elastic clamping heads (13) are matched with the clamping grooves (21) to connect the main rod (1) on the extension rod (2) in a telescopic mode.
6. The anti-reflux telescopic laparoscopic aspirator according to claim 5, wherein: elasticity dop (13) include elastic steel piece (131) and arch (132), arch (132) with elastic steel piece (131) fixed connection.
7. The anti-reflux telescopic laparoscopic aspirator according to claim 6, wherein: the protrusion (132) and the clamping groove (21) are both hemispherical, and the protrusion (132) and the clamping groove (21) are the same in size.
8. The anti-reflux telescopic laparoscopic aspirator according to claim 1, wherein: the front end of the main rod (1) is of a conical structure.
9. The anti-reflux telescopic laparoscopic aspirator according to claim 8, wherein: the length of the conical structure is 1cm, and the diameter of the opening of the conical structure is 0.35 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921717298.2U CN211272655U (en) | 2019-10-14 | 2019-10-14 | Anti-backflow telescopic laparoscopic aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921717298.2U CN211272655U (en) | 2019-10-14 | 2019-10-14 | Anti-backflow telescopic laparoscopic aspirator |
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| Publication Number | Publication Date |
|---|---|
| CN211272655U true CN211272655U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921717298.2U Expired - Fee Related CN211272655U (en) | 2019-10-14 | 2019-10-14 | Anti-backflow telescopic laparoscopic aspirator |
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| CN (1) | CN211272655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842465A (en) * | 2020-12-24 | 2021-05-28 | 上海埃尔顿医疗器械有限公司 | Flower-shaped stone-taking net basket for flexible endoscope |
| CN113367781A (en) * | 2021-06-30 | 2021-09-10 | 苏州法兰克曼医疗器械有限公司 | Puncture aspirator for thoracic surgery |
-
2019
- 2019-10-14 CN CN201921717298.2U patent/CN211272655U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842465A (en) * | 2020-12-24 | 2021-05-28 | 上海埃尔顿医疗器械有限公司 | Flower-shaped stone-taking net basket for flexible endoscope |
| CN113367781A (en) * | 2021-06-30 | 2021-09-10 | 苏州法兰克曼医疗器械有限公司 | Puncture aspirator for thoracic surgery |
| CN113367781B (en) * | 2021-06-30 | 2022-04-01 | 苏州法兰克曼医疗器械有限公司 | Puncture aspirator for thoracic surgery |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20211014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |