CN116966356A

CN116966356A - Laparoscope aspirator

Info

Publication number: CN116966356A
Application number: CN202310924593.XA
Authority: CN
Inventors: 徐宁; 张长和; 高进
Original assignee: Taizhou Peoples Hospital
Current assignee: Taizhou Peoples Hospital
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-10-31

Abstract

The invention relates to a laparoscope aspirator, which comprises a handle, a first suction tube, a second suction tube and a drainage tube, wherein the handle, the first suction tube and the second suction tube are connected in sequence, and a cavity is arranged in the handle; the second suction tube comprises a tube core and a plurality of T-shaped pieces arranged on the tube core, a through groove is formed in the tube core along the axis direction of the tube core, one end of the drainage tube penetrates through the through groove, and the other end of the drainage tube penetrates through the first suction tube and extends into the cavity of the handle; be equipped with the hose that is connected with the drainage tube in the handle, the second attracts the pipe to have reduced the in-process that inhales the exudation in the peritoneal cavity, and the condition of peritoneal tissue suction aspirator, this drainage tube then can carry out effectual sample to peritoneal cavity liquid simultaneously, reduces the risk of peritoneal cavity liquid cross contamination, improves detection efficiency and rate of accuracy.

Description

Laparoscope aspirator

Technical Field

The invention relates to the technical field of medical appliances, in particular to a laparoscope aspirator.

Background

The aspirator is a basic instrument in a laparoscope, and the main operation of the aspirator is 'flushing' and 'sucking', and exudates in the operation process are sucked by a negative pressure suction mode, so that the visual field of an operator is clearer, and the possibility of pollution is reduced;

the existing part of the aspirator is easy to cause the condition that abdominal tissues are sucked into the aspirator in the use process, at the moment, the aspirator is blocked, the operation progress is influenced, meanwhile, the exudation can not be sucked out timely, the visual field of operators is influenced, and the operation of the operation is greatly influenced; meanwhile, when the existing part aspirator is used for sampling and biopsy of the abdominal cavity, no equipment for independently sampling the liquid of the abdominal cavity is provided, so that the liquid required to be subjected to biopsy is easily polluted by cross so as to influence the accuracy of data.

Disclosure of Invention

The invention aims to provide a laparoscope aspirator, which is used for solving the problems that the prior part of aspirator is easy to suck abdominal tissues into the aspirator when in use, so that the aspirator is blocked, the operation progress is influenced, meanwhile, the visual field of operators is influenced because exudates cannot be sucked in time, and the operation is greatly influenced; meanwhile, when the existing part aspirator is used for sampling and biopsy of the abdominal cavity, no equipment for independently sampling the liquid of the abdominal cavity is provided, and the problem that the liquid required to be subjected to biopsy is cross-polluted to influence the accuracy of data is easily caused.

In order to achieve the above purpose, the invention provides a laparoscope aspirator, which comprises a handle, a first suction tube, a second suction tube and a drainage tube, wherein the handle, the first suction tube and the second suction tube are connected in sequence, and a cavity is arranged in the handle;

the second suction tube comprises a tube core and a plurality of T-shaped pieces arranged on the tube core, a through groove is formed in the tube core along the axis direction of the tube core, one end of the drainage tube penetrates through the through groove, and the other end of the drainage tube penetrates through the first suction tube and extends into the cavity of the handle.

Further, each T-shaped piece is uniformly and fixedly connected to the outer surface of the tube core in a spiral manner along the circumferential direction of the tube core.

Further, a plurality of annular bulges are sleeved and fixedly connected on the outer side wall of the drainage tube positioned in the through groove, and a plurality of drainage grooves are formed in the drainage tube between the adjacent annular bulges.

Further, one end of the drainage tube extending into the handle is fixedly connected with a threaded rod, a threaded sleeve is arranged in the handle, one end of the threaded sleeve is in threaded connection with the threaded rod, and the other end of the threaded sleeve penetrates through the rear end of the handle and is fixedly connected with a knob.

Further, a limiting block in an inverted T shape is fixedly connected in the first suction pipe, a chute matched with the limiting block is arranged on the drainage pipe, and the limiting block is slidably connected in the chute.

Further, the handle is connected with the first suction tube through the clamping part, the clamping part comprises a rubber tube arranged between the handle and the first suction tube, the tube wall of the rubber tube is respectively provided with a first groove and a second groove from two ends inwards, one end of the first suction tube is slidably connected in the first groove, and one end of the handle close to the first suction tube is slidably connected in the second groove.

Further, the clamping part further comprises a plurality of connecting plates fixedly connected to the first suction pipe, one end, far away from the first suction pipe, of each connecting rod is provided with an opening respectively, and the handle is additionally provided with a protrusion matched with each opening.

Further, one end of the drainage tube, which is close to the through groove, is fixedly connected with a rubber block, and the diameter of the rubber block is larger than that of the through groove.

Further, the second suction tube is sleeved in the first suction tube, and the inner wall of the first suction tube is contacted with the upper surface of the cross arm of each T-shaped piece.

Further, a hose is arranged in the handle, a drainage hole is formed in the drainage tube, and the hose is communicated with the drainage hole.

Compared with the prior art, the invention has the remarkable advantages that:

1. the suction tube is divided into two parts, namely a first suction tube and a second suction tube, and the second suction tube is structurally improved, and a tube core and a T-shaped piece which is spirally arranged on the tube core are adopted to form the second suction tube, so that the condition that the abdominal tissues are sucked into the suction device in the process of sucking the exudates in the abdominal cavity can be effectively reduced, the influence on the visual field of operators is reduced, and meanwhile, the influence on the operation is reduced;

2. according to the invention, by additionally arranging the drainage tube capable of freely controlling the inlet and outlet, the abdominal cavity liquid can be effectively sampled, the risk of cross contamination of the abdominal cavity liquid is reduced, and the detection efficiency and accuracy are improved;

3. the hose connected with the drainage tube is additionally arranged in the handle, so that cross-infection of liquid in the abdominal cavity is reduced, meanwhile, part of the hose is reserved in the handle, the drainage tube is not influenced to move out, and meanwhile, blockage is not caused in the sampling process of the liquid in the abdominal cavity;

4. the clamping part enables the first suction tube and the handle to form a detachable connection mode, so that parts inside the aspirator can be conveniently cleaned, and the suction tube and the drainage tube at the front end can be conveniently replaced.

Drawings

FIG. 1 is a main body diagram of the present invention;

FIG. 2 is an enlarged view of the invention at A of FIG. 1;

fig. 3 is a cross-sectional view of the present invention.

1, a handle; 2. a first suction tube; 3. a connecting plate; 4. a through groove; 5. a hose; 6. a drainage tube; 7. a threaded rod; 8. a thread sleeve; 9. a limiting block; 10. a die; 11. a T-piece; 12. an annular protrusion; 13. drainage grooves; 14. a rubber block; 15. a knob; 16. a rubber tube; 17. first recess, 18, second recess.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.

As shown in fig. 1-2, the invention provides a laparoscope aspirator, which comprises a handle 1, a first suction tube 2, a second suction tube and a drainage tube 6, wherein the handle 1, the first suction tube 2 and the second suction tube are connected in sequence, and a cavity is arranged in the handle 1; the second suction tube comprises a tube core 10 and a plurality of T-shaped pieces 11 arranged on the tube core 10, a through groove 4 is formed in the tube core 10 along the axis direction of the tube core 10, one end of the drainage tube 6 penetrates through the through groove 4, and the other end penetrates through the first suction tube 2 to extend into the cavity of the handle 1; a hose 5 is arranged in the handle 1, a drainage hole is arranged on the drainage tube 6, and the hose 5 is communicated with the drainage hole.

In one embodiment, each T-piece 11 is uniformly affixed to the outer surface of the die 10 in a spiral fashion along the circumference of the die 10.

In one embodiment, gaps are preset between the cross arms of each T-piece 11; the second suction tube is sleeved in the first suction tube 2, and the inner wall of the first suction tube 2 is contacted with the upper surface of the cross arm of each T-shaped piece 11; meanwhile, the upper surfaces of the cross arms at the upper ends of the T-shaped pieces 11 are arc-shaped, so that contact between the T-shaped pieces 11 and abdominal tissues is reduced, and the exudate absorbing efficiency is improved.

In one embodiment, the handle 1 is provided with a switch for controlling the aspirator, which is a conventional technology well known in the art, and thus the specific structural composition and working principle thereof will not be described in detail.

In one embodiment, a plurality of annular bulges 12 are sleeved and fixedly connected on the outer side wall of the drainage tube 6 positioned in the through groove 4, and a plurality of drainage grooves 13 are formed in the drainage tube 6 between the adjacent annular bulges 12; the outer diameter of the annular bulge is smaller than the diameter of the through groove 4; a limiting block 9 in an inverted T shape is fixedly connected in the first suction tube 2, a chute matched with the limiting block 9 is arranged on the drainage tube 6, and the limiting block 9 is connected in the chute in a sliding way; one end of the drainage tube 6 extending into the handle 1 is fixedly connected with a threaded rod 7, a threaded sleeve 8 is arranged in the handle 1, one end of the threaded sleeve 8 is in threaded connection with the threaded rod 7, and the other end of the threaded sleeve 8 penetrates through the rear end of the handle 1 and is fixedly connected with a knob 15.

When needs take a sample to abdominal cavity liquid, only need rotate knob 15, thread bush 8 begins rotatory under the exogenic action this moment, because of stopper 9 has played spacing effect to drainage tube 6, consequently when thread bush 8 rotates, its threaded rod 7 of threaded connection drives drainage tube 6 and promotes forward to push out the front end of drainage tube 6 and link up groove 4, with this realization adopts the solitary passageway to take a sample to abdominal cavity liquid, and discharges liquid through hose 5, in-process, the liquid of taking a sample does not mix with other liquids, thereby reduced the risk of abdominal cavity liquid cross contamination.

In one embodiment, a portion of the flexible tube 5 is reserved in the handle 1, so that the removal of the drainage tube 6 is not affected, and meanwhile, the blockage is not caused in the process of sampling the abdominal cavity liquid.

In one embodiment, the slip ring and the O-shaped ring are additionally arranged at the position where the thread bush 8 passes through the handle 1, so that the sealing effect is improved while the elasticity is provided and the friction force between the thread bush 8 and the handle 1 is reduced, the liquid cannot leak from the position where the thread bush 8 passes through the handle 1 in the use process of the aspirator, and the sealing effect of the device is improved.

In one embodiment, the end of the drainage tube 6 close to the through groove 4 is fixedly connected with a rubber block 14, and the diameter of the rubber block 14 is larger than that of the through groove 4, so that when the second suction tube is used for working, the sucked body fluid cannot flow into the drainage tube 6 to cause cross contamination of liquid in the subsequent sampling work, the image capturing efficiency is improved, and the accuracy of parameters in liquid biopsy is also improved.

In one embodiment, the handle 1 is connected with the first suction tube 2 through a clamping part, the clamping part comprises a rubber tube 16 arranged between the handle 1 and the first suction tube 2, a first groove 17 and a second groove 18 are respectively formed in the tube wall of the rubber tube 16 from two ends inwards, one end of the first suction tube 2 is slidably connected in the first groove 17, and one end of the handle 1, which is close to the first suction tube 2, is slidably connected in the second groove 18; the clamping part further comprises a plurality of connecting plates 3 fixedly connected to the first suction pipe 2, one end, far away from the first suction pipe 2, of each connecting rod is provided with an opening respectively, and the handle 1 is additionally provided with a bulge matched with each opening. The two ends of the rubber tube 16 are respectively provided with the first groove 17 and the second groove 18, so that the first suction tube 2 and the handle 1 can be respectively inserted into the first groove 17 and the second groove 18, and then the rubber tube 16 is extruded by the first suction tube 2 and the handle 1 through the mutual matching between the connecting rod and the protrusions, and the sealing performance of the joint of the first suction tube 2 and the handle 1 is realized while the first suction tube 2 and the handle 1 are firmly fixed.

In one embodiment, the connection between the drainage hole and the hose 5 is realized through a threaded connector, so that the hose 5 and the drainage tube 6 can be effectively disassembled when the first suction tube 2 is disassembled; it should be noted that the hose 5 is connected to the drain tube 6 before the first drain tube 6 is installed.

In one embodiment, when the drainage tube 6 is used for sampling the abdominal cavity liquid, the needle tube is sleeved at a point of the hose 5 far away from the drainage tube 6, and the needle tube is inserted into the negative pressure test tube, so that the sampling of the abdominal cavity liquid can be completed, and cross contamination of the abdominal cavity liquid is further avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A laparoscopic aspirator, comprising: the novel suction device comprises a handle (1), a first suction tube (2), a second suction tube and a drainage tube (6), wherein the handle (1), the first suction tube (2) and the second suction tube are sequentially connected, and a cavity is formed in the handle (1);

the second suction tube comprises a tube core (10) and a plurality of T-shaped pieces (11) arranged on the tube core (10), a through groove (4) is formed in the tube core (10) along the axis direction of the tube core (10), one end of the drainage tube (6) penetrates through the through groove (4), and the other end of the drainage tube penetrates through the first suction tube (2) to extend into the cavity of the handle (1).

2. A laparoscopic aspirator according to claim 1, characterized in that: each T-shaped piece (11) is uniformly and fixedly connected to the outer surface of the tube core (10) in a spiral manner along the circumferential direction of the tube core (10).

3. A laparoscopic aspirator according to claim 1, characterized in that: the drainage tube (6) is arranged on the outer side wall of the through groove (4) in a sleeved mode and fixedly connected with a plurality of annular protrusions (12), and a plurality of drainage grooves (13) are formed in the drainage tube (6) between the adjacent annular protrusions (12).

4. A laparoscopic aspirator according to claim 3, characterized in that: one end of the drainage tube (6) extending into the handle (1) is fixedly connected with a threaded rod (7), a threaded sleeve (8) is arranged in the handle (1), one end of the threaded sleeve (8) is in threaded connection with the threaded rod (7), and the other end of the threaded sleeve (8) penetrates through the rear end of the handle (1) and is fixedly connected with a knob (15).

5. A laparoscopic aspirator according to claim 4, characterized in that: the drainage tube is characterized in that an inverted T-shaped limiting block (9) is fixedly connected in the first suction tube (2), a sliding groove matched with the limiting block (9) is formed in the drainage tube (6), and the limiting block (9) is slidably connected in the sliding groove.

6. A laparoscopic aspirator according to claim 1, characterized in that: the novel suction device is characterized in that the handle (1) is connected with the first suction tube (2) through a clamping part, the clamping part comprises a rubber tube (16) arranged between the handle (1) and the first suction tube (2), a first groove (17) and a second groove (18) are respectively formed in the tube wall of the rubber tube (16) from two ends inwards, one end of the first suction tube (2) is slidably connected in the first groove (17), and one end of the handle (1) close to the first suction tube (2) is slidably connected in the second groove (18).

7. A laparoscopic aspirator according to claim 1, characterized in that: the clamping part further comprises a plurality of connecting plates (3) fixedly connected to the first suction pipe (2), one end, far away from the first suction pipe (2), of each connecting rod is provided with an opening respectively, and the handle (1) is additionally provided with a bulge matched with each opening.

8. A laparoscopic aspirator according to claim 1, characterized in that: one end of the drainage tube (6) close to the through groove (4) is fixedly connected with a rubber block (14), and the diameter of the rubber block (14) is larger than that of the through groove (4).

9. A laparoscopic aspirator according to claim 8, characterized in that: the second suction tube is sleeved in the first suction tube (2), and the inner wall of the first suction tube (2) is contacted with the upper surface of the cross arm of each T-shaped piece (11).

10. A laparoscopic aspirator according to claim 1, characterized in that: a hose (5) is arranged in the handle (1), a drainage hole is formed in the drainage tube (6), and the hose (5) is communicated with the drainage hole.