A retractable negative pressure suction tube

Abstract

The utility model belongs to the technical field of suction tubes, and is particularly a retractable negative pressure suction tube, comprising a suction tube body, and a retractable component arranged inside the suction tube body, wherein the retractable component comprises an inner tube inserted inside the suction tube body and a suction head threadedly connected to one end of the inner tube, the inner tube and the suction tube body are slidably connected, an end of the inner tube away from the suction head is threadedly connected with a retractable tube, a control valve is arranged inside the suction tube body, a control switch is arranged on one side of the control valve, the control switch passes through the suction tube body and one side of the inner wall of the inner tube, a slide groove is provided on one side of the suction tube body, and the control switch is slidably connected to the slide groove; the suction tube body can be used to absorb accumulated fluid at different depths in different parts of the patient, which is convenient for medical staff to perform suction work.

Description

Technical Field

[0001] The utility model belongs to the technical field of suction tubes, and in particular relates to a retractable negative pressure suction tube. Background Art

[0002] At present, during surgery, due to changes in body position and the elevation of the surgical platform, medical staff often complain that the suction tube is too short. Many departments mostly connect two or three suction tubes after the suction tube is too short, which will affect the suction pressure. The current suction tube has a fixed length and cannot be rotated or lengthened, which brings great inconvenience to use. Therefore, a retractable negative pressure suction tube is provided;

[0003] After checking, the publication (announcement) number: CN210542807U discloses a suction tube, which discloses technical solutions such as "comprising a hollow suction tube body, the suction tube body having a suction end", and has "technical effects such as reducing damage to organs or tissue walls during suction and improving suction efficiency";

[0004] Although this design can reduce the damage to the organ or tissue wall during the suction process and improve the suction efficiency, in surgical operations, since it is necessary to suck the effusion from different parts of the patient, the suction depth of special parts is different. The existing device is inconvenient to adjust the length of the suction head, inconvenient for medical staff to perform suction work, and inconvenient to disassemble and replace the telescopic tube;

[0005] Therefore, a retractable negative pressure suction tube is designed to solve the above problems. Summary of the invention

[0006] To solve the problems raised in the above background technology, the utility model provides a retractable negative pressure suction tube, which can absorb effusion at different depths of different parts of the patient by setting a retractable component, making it convenient for medical staff to perform suction work.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a retractable negative pressure suction tube, comprising a suction tube body, and a retractable component arranged inside the suction tube body;

[0008] The telescopic assembly includes an inner tube inserted into the suction tube body and a suction head threadedly connected to one end of the inner tube. The inner tube and the suction tube body are slidably connected, and the end of the inner tube away from the suction head is threadedly connected to the telescopic tube. A control valve is provided inside the suction tube body, and a control switch is provided on one side of the control valve. The control switch passes through the suction tube body and one side of the inner wall of the inner tube. A slide groove is provided on one side of the suction tube body, and the control switch is slidably connected to the slide groove.

[0009] As a preferred retractable negative pressure suction tube of the utility model, the retractable assembly also includes a connecting tube arranged at one end of the suction tube body, the connecting tube and the suction tube body are threadedly connected, a sealing ring is arranged between the connecting tube and the suction tube body, and a negative pressure suction device is installed on the surface of the connecting tube.

[0010] As a preferred embodiment of the telescopic negative pressure suction tube of the utility model, the telescopic assembly also includes a filter provided on one side of the inner wall of the telescopic tube close to the connecting tube.

[0011] As a preferred embodiment of the telescopic negative pressure suction tube of the utility model, it also includes an adjustment component arranged on the surface of the suction tube body;

[0012] The adjustment component includes an adjustment groove opened on the surface of the inner tube, and the adjustment grooves are provided in multiple groups and are evenly arranged on the surface of the inner tube. The surface of the suction tube body is fixedly connected to a fixing seat, and the surface of the fixing seat is movably connected to a pressure rod through a pin shaft. The surface of the pressure rod is fixedly connected to a connecting block, and one end of the connecting block is fixedly connected to an adjustment block.

[0013] As a preferred retractable negative pressure suction tube of the utility model, the adjustment component also includes a card block inserted inside the adjustment groove, the card block and the fixed seat are slidably connected, the adjustment block is arranged inside the card block, the adjustment block and the card block are slidably connected, and a spring is fixedly connected between one end of the pressure rod and the fixed seat.

[0014] Compared with the prior art, the beneficial effects of the utility model are: a telescopic component is added to the present application, and when the device is in use, the control switch controls the control valve inside the inner tube to control the suction force of the negative pressure aspirator, and after the block is opened by pressing the pressure rod, a spring is provided at the bottom of the pressure rod, and the block can be fixed under the action of the spring, so that the length of the inner tube can be adjusted, and fluid accumulation at different depths in different parts of the patient can be absorbed, which is convenient for medical staff to perform suction work. At the same time, an adjustment component is added. After use, the connecting tube thread is rotated and disassembled, the inner tube is slid toward the connecting tube and then disassembled, the telescopic tube is pulled out of the connecting tube, and the telescopic tube is replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2This is a schematic diagram of the structure of the inner tube and the control switch in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the fixing seat and the adjusting slot in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the sealing ring and the filter in the utility model;

[0020] In the figure:

[0021] 1. Suction tube body;

[0022] 2. Telescopic assembly; 21. Inner tube; 22. Suction head; 23. Control switch; 24. Control valve; 25. Telescopic tube; 26. Filter; 27. Connecting tube; 28. Negative pressure suction device; 29. ​​Sealing ring;

[0023] 3. Adjustment assembly; 31. Adjustment slot; 32. Fixed seat; 33. Pressure rod; 34. Connecting block; 35. Adjustment block; 36. Clamp block; 37. Spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0025] like Figure 1 As shown;

[0026] A telescopic negative pressure suction tube comprises a suction tube body 1.

[0027] In this embodiment: after checking the public (announcement) number: CN210542807U discloses a suction tube. Although this design can reduce the damage to the organ or tissue wall during the suction process and improve the suction efficiency, in surgical operations, due to the need to absorb the accumulated fluid in different parts of the patient, the depth of suction required for special parts is different. The existing device is inconvenient to adjust the length of the suction device, inconvenient for medical staff to perform suction work, and inconvenient to disassemble and replace the hose. In order to solve this technical problem, a telescopic component 2 and an adjustment component 3 are added on this basis.

[0028] More specifically:

[0029] like Figures 1 to 4 As shown:

[0030] In combination with the above content: the telescopic component 2 includes an inner tube 21 inserted into the suction tube body 1 and a suction head 22 threadedly connected to one end of the inner tube 21, the inner tube 21 and the suction tube body 1 are slidably connected, and the end of the inner tube 21 away from the suction head 22 is threadedly connected with a telescopic tube 25, a control valve 24 is arranged inside the suction tube body 1, and a control switch 23 is arranged on one side of the control valve 24, the control switch 23 passes through the suction tube body 1 and one side of the inner wall of the inner tube 21, a slide groove is opened on one side of the suction tube body 1, and the control switch 23 is slidably connected to the slide groove.

[0031] In this embodiment: when the device is in use, the control switch 23 controls the control valve 24 inside the inner tube 21 to control the suction force of the negative pressure aspirator 28. After the block 36 is opened by pressing the pressure rod 33, the sliding control switch 23 allows the inner tube 21 to slide inside the suction tube body 1 to adjust the appropriate length.

[0032] It should be noted that the inner tube 21 is made of steel.

[0033] Going further:

[0034] In an optional embodiment, the telescopic assembly 2 also includes a connecting tube 27 arranged at one end of the suction tube body 1, the connecting tube 27 and the suction tube body 1 are threadedly connected, a sealing ring 29 is arranged between the connecting tube 27 and the suction tube body 1, and a negative pressure suction device 28 is installed on the surface of the connecting tube 27.

[0035] In this embodiment: the pressure rod 33 is loosened to make the block 36 match the adjustment groove 31 and then engage and fix. A spring 37 is provided at the bottom of the pressure rod 33. Under the action of the spring 37, the block 36 can be fixed, so that the length of the inner tube 21 can be adjusted, and the accumulated fluid in different parts of the patient at different depths can be sucked, which is convenient for medical staff to perform suction work.

[0036] It should be noted that a scale line is provided on the surface of the inner tube 21 near the adjustment groove 31 , and the length of the inner tube 21 can be adjusted according to the scale line and then fixed.

[0037] Going further:

[0038] In an optional embodiment: the telescopic assembly 2 further includes a filter 26 disposed on one side of the inner wall of the telescopic tube 25 close to the connecting tube 27 .

[0039] In this embodiment, the telescopic tube 25 is used for a long time, and the blood passes through the filter 26 inside the telescopic tube 25 to filter the accumulated blood or fluid.

[0040] It should be noted that a sealing ring 29 is provided at the connection between the telescopic tube 25 and the connecting tube 27 to prevent liquid from leaking out and causing pollution.

[0041] Going further:

[0042] In an optional embodiment, it further includes an adjustment component 3 disposed on the surface of the suction tube body 1;

[0043] The adjustment component 3 includes an adjustment groove 31 opened on the surface of the inner tube 21. There are multiple groups of adjustment grooves 31, which are evenly arranged on the surface of the inner tube 21. The surface of the suction tube body 1 is fixedly connected to a fixing seat 32. The surface of the fixing seat 32 is movably connected to a pressure rod 33 through a pin shaft. The surface of the pressure rod 33 is fixedly connected to a connecting block 34. One end of the connecting block 34 is fixedly connected to an adjustment block 35.

[0044] In this embodiment: by threading the telescopic tube 25 with the inner tube 21, the connecting tube 27 and the telescopic tube 25 are sleeved and connected, the connecting tube 27 and the suction tube body 1 are threadedly connected, and then the suction head 22 and the inner tube 21 are threadedly connected and installed, the negative pressure suction device 28 is turned on to generate negative pressure in the inner tube 21 and the telescopic tube 25.

[0045] It should be noted that the telescopic tube 25 is configured as a corrugated hose to increase the service life and facilitate telescopic adjustment of the length.

[0046] Going further:

[0047] In an optional embodiment, the adjustment component 3 also includes a block 36 inserted into the adjustment groove 31, the block 36 is slidably connected to the fixed seat 32, the adjustment block 35 is arranged inside the block 36, the adjustment block 35 is slidably connected to the block 36, and a spring 37 is fixedly connected between one end of the pressure rod 33 and the fixed seat 32.

[0048] In this embodiment, after use, the connecting tube 27 is threadedly rotated to be disassembled, the inner tube 21 is slid toward the connecting tube 27 and then disassembled, the telescopic tube 25 is pulled out from the connecting tube 27, and the telescopic tube 25 is replaced.

[0049] It should be noted that the main function of the spring 37 is to support the mechanical rotating body and reduce the friction coefficient during its movement.

[0050] Working principle: When the device is in use, the control switch 23 is used to control the control valve 24 inside the inner tube 21 to control the suction force of the negative pressure suction device 28. After the block 36 is opened by pressing the pressure rod 33, the sliding control switch 23 is used to slide the inner tube 21 inside the suction tube body 1 to adjust the appropriate length. Then, the pressure rod 33 is loosened to match the block 36 with the adjustment groove 31 and then locked and fixed. A spring 37 is provided at the bottom of the pressure rod 33. Under the action of the spring 37, the block 36 can be fixed, so that the length of the inner tube 21 can be adjusted, and the effusion at different depths of different parts of the patient can be sucked, which is convenient for medical staff to perform suction work. By threading the telescopic tube 25 and the inner tube 21 Then, the connecting tube 27 and the telescopic tube 25 are connected after being sleeved, the connecting tube 27 and the suction tube body 1 are threadedly connected, and then the suction head 22 and the inner tube 21 are threadedly connected and installed, and the negative pressure suction device 28 is turned on to generate negative pressure in the inner tube 21 and the telescopic tube 25. The medical staff will insert the suction head 22 that generates suction negative pressure into the patient's blood or fluid accumulation during surgery to remove it. The telescopic tube 25 is used for a long time, and the blood passes through the filter 26 inside the telescopic tube 25 to filter the accumulated blood or fluid. After use, the connecting tube 27 is threadedly rotated to disassemble it, and the inner tube 21 is slid toward the direction of the connecting tube 27 and then disassembled. The telescopic tube 25 is pulled out from the connecting tube 27 and the telescopic tube 25 is replaced.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A retractable negative pressure suction tube, comprising a suction tube body (1), characterized in that: It also includes a telescopic component (2) arranged inside the suction tube body (1); The telescopic assembly (2) comprises an inner tube (21) inserted into the suction tube body (1) and a suction head (22) threadedly connected to one end of the inner tube (21); the inner tube (21) and the suction tube body (1) are slidably connected; one end of the inner tube (21) away from the suction head (22) is threadedly connected to a telescopic tube (25); a control valve (24) is arranged inside the suction tube body (1); a control switch (23) is arranged on one side of the control valve (24); the control switch (23) passes through the suction tube body (1) and one side of the inner wall of the inner tube (21); a slide groove is provided on one side of the suction tube body (1), and the control switch (23) is slidably connected to the slide groove.

2. The retractable negative pressure suction tube according to claim 1, characterized in that: The telescopic assembly (2) further comprises a connecting tube (27) arranged at one end of the suction tube body (1); the connecting tube (27) and the suction tube body (1) are threadedly connected; a sealing ring (29) is arranged between the connecting tube (27) and the suction tube body (1); and a negative pressure suction device (28) is installed on the surface of the connecting tube (27).

3. The retractable negative pressure suction tube according to claim 1, characterized in that: The telescopic assembly (2) further comprises a filter (26) provided on one side of the inner wall of the telescopic tube (25) close to the connecting tube (27).

4. The retractable negative pressure suction tube according to claim 1, characterized in that: It also includes an adjustment component (3) arranged on the surface of the suction tube body (1); The adjustment component (3) comprises an adjustment groove (31) provided on the surface of the inner tube (21); the adjustment groove (31) is provided in a plurality of groups and is evenly arranged on the surface of the inner tube (21); a fixing seat (32) is fixedly connected to the surface of the suction tube body (1); a pressure rod (33) is movably connected to the surface of the fixing seat (32) via a pin; a connecting block (34) is fixedly connected to the surface of the pressure rod (33); and an adjustment block (35) is fixedly connected to one end of the connecting block (34).

5. The retractable negative pressure suction tube according to claim 4, characterized in that: The adjustment assembly (3) further comprises a clamping block (36) inserted into the adjustment slot (31), the clamping block (36) and the fixing seat (32) being slidably connected, the adjustment block (35) being arranged inside the clamping block (36), the adjustment block (35) and the clamping block (36) being slidably connected, and a spring (37) being fixedly connected between one end of the pressure rod (33) and the fixing seat (32).

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