Three-way suction tube

By designing a three-way suction tube, the problem of blood and amniotic fluid mixing and being difficult to separate during cesarean section was solved, enabling accurate estimation of blood and amniotic fluid volume and improving medical safety.

CN223746841UActive Publication Date: 2026-01-02SHAOXING WOMEN & CHILDRENS HOSPITAL
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Patent Information

Application Number
CN202422380057.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2026-01-02
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

During a cesarean section, blood and amniotic fluid mix and are difficult to separate, making it impossible for medical staff to accurately estimate the amount of blood loss and amniotic fluid, which affects postoperative care.

Method used

Design a three-way suction tube, which uses an inlet tube, a first outlet tube, and a second outlet tube to aspirate blood and amniotic fluid respectively, and uses a three-way valve to switch the tubing to achieve diversion and collection.

Benefits of technology

It enables the separate collection of blood and amniotic fluid, allowing medical staff to directly observe the fluid in the suction bottle, accurately estimate the amount of bleeding and amniotic fluid, and improve medical safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a three-way suction tube which comprises a three-way valve, the three-way valve comprises a shell, a first connector, a second connector and a third connector are arranged on the peripheral side of the shell respectively, the end of the first connector is connected with a liquid inlet tube, the end of the second connector is connected with a first liquid outlet tube, the end of the third connector is connected with a second liquid outlet tube, and a valve body is arranged in the shell and can rotate. And the liquid inlet pipe is communicated with the first liquid outlet pipe or the second liquid outlet pipe. By arranging the liquid inlet pipe, blood and amniotic fluid can be sucked, and by arranging the first liquid outlet pipe and the second liquid outlet pipe, the blood and the amniotic fluid can be sucked respectively, so that the operation bleeding amount can be estimated conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a suction pipe technical field more specifically, relate to a tee suction pipe. BACKGROUND

[0002] At present, in cesarean section operation, blood water and amniotic fluid are sucked into the suction device together, because of the mixing of blood water and amniotic fluid, medical staff cannot check the amount of bleeding and amniotic fluid under the visual state, which will affect postoperative medication and treatment, therefore, in order to accurately estimate the amount of bleeding and amniotic fluid in cesarean section operation, it is urgent to design a device capable of estimating the amount of bleeding and amniotic fluid. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a tee suction pipe, through setting up liquid inlet pipe, blood water and amniotic fluid can be sucked, through setting up first liquid outlet pipe and second liquid outlet pipe, blood water and amniotic fluid can be sucked respectively, thereby facilitating the estimation of the amount of bleeding in operation.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model discloses a tee suction pipe, including three -way valve, three -way valve includes the casing, the casing periphery respectively is equipped with first joint, second joint and third joint, first joint end is connected with liquid inlet pipe, second joint end is connected with first liquid outlet pipe, third joint end is connected with second liquid outlet pipe, be equipped with valve body in the casing, valve body can rotate, to make liquid inlet pipe and first liquid outlet pipe communicate or liquid inlet pipe and second liquid outlet pipe communicate.

[0006] Further, the casing is internally provided with a valve cavity, the valve body includes a valve core, the valve core is located in the valve cavity, the valve core is internally provided with a first channel, a second channel and a third channel, when the first joint is communicated with the second joint, the first channel is communicated with the liquid inlet pipe and the third channel is communicated with the first liquid outlet pipe, when the first joint is communicated with the third joint, the second channel is communicated with the liquid inlet pipe and the third channel is communicated with the second liquid outlet pipe.

[0007] Further, the upper portion of the valve cavity is provided with a mounting groove, the upper portion of the mounting groove is covered with an end cover, the upper portion of the valve core is provided with a valve rod, the upper end of the valve rod penetrates out of the end cover and is connected with a knob at the upper end, rotating the knob can drive the valve body to rotate.

[0008] Further, the knob includes a mounting hole, the upper end of the valve rod penetrates through the mounting hole, the upper end of the valve rod is connected with a bolt, the knob can move up and down along the valve rod, so that the head of the bolt abuts or separates from the upper portion of the knob.

[0009] Further, the upper part of the end cover is provided with an annular sleeve, the inner side of the annular sleeve is provided with a limiting area, the lower part of the knob is provided with a second boss, the lower part of the second boss is provided with an annular surface, the side of the annular surface is provided with a limiting block, when the head of the bolt abuts against the upper part of the knob, the limiting block is located in the limiting area.

[0010] Further, the limiting area comprises a first limiting groove, a second limiting groove and a third limiting groove, when the limiting block is inserted into the first limiting groove, the first joint, the second joint and the third joint are blocked by the valve core, when the limiting block is inserted into the second limiting groove, the first joint is communicated with the second joint, when the limiting block is inserted into the third limiting groove, the first joint is communicated with the third joint.

[0011] Further, the two sides of the limiting area are respectively provided with a stop block, and the two sides of the limiting block can abut against the side of the stop block.

[0012] Further, the outer side of the valve rod is sleeved with a spring, the upper part of the spring abuts against the lower part of the knob and the lower part of the spring abuts against the upper part of the end cover.

[0013] Further, the upper part of the valve core is provided with a first boss, the valve rod is located on the upper part of the first boss, a guide piece is arranged in the mounting groove, the upper part of the first boss abuts against the lower part of the guide piece, the lower part of the end cover abuts against the upper part of the guide piece, the guide piece comprises a guide hole, and the valve rod penetrates through the guide hole.

[0014] The utility model discloses beneficial effects are:

[0015] One end of the first liquid outlet pipe and the second liquid outlet pipe is connected with the three-way valve and the other end is connected with the suction bottle (not shown in the drawing) respectively, the suction bottle connected with the first liquid outlet pipe can suck blood water, and the suction bottle connected with the second liquid outlet pipe can suck amniotic fluid, when using, the one end of the liquid inlet pipe is placed in the patient's body, the doctor can rotate the valve body according to the need, and the pipeline is adjusted, when needing to suck blood water, the liquid inlet pipe is communicated with the first liquid outlet pipe, when needing to suck amniotic fluid, the liquid inlet pipe is communicated with the second liquid outlet pipe, so that the blood water and amniotic fluid can be collected by shunting, and the liquid in the suction bottle can be directly observed, the amount of bleeding and the amount of amniotic fluid in cesarean section operation can be estimated, and the medical safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the embodiment;

[0017] Figure 2 It is a structural schematic view of the three-way valve;

[0018] Figure 3 It is an explosion view of the three-way valve;

[0019] Figure 4 It is a sectional view of the three-way valve;

[0020] Figure 5 A schematic view of a three-way valve in three different states;

[0021] Figure 6 A schematic view of the structure of the knob.

[0022] Fig. 1 is a shell; 11 is a first joint; 12 is a second joint; 13 is a third joint; 14 is a valve cavity; 15 is a mounting groove; 2 is a valve body; 21 is a valve core; 22 is a first channel; 23 is a second channel; 24 is a third channel; 25 is a first boss; 26 is a valve rod; 3 is a knob; 31 is a mounting hole; 32 is a second boss; 33 is an annular surface; 34 is a limiting block; 4 is an end cover; 41 is an annular sleeve; 42 is a limiting area; 421 is a first limiting groove; 422 is a second limiting groove; 423 is a third limiting groove; 43 is a stop block; 5 is a spring; 6 is a bolt; 7 is a guide; 71 is a guide hole; 8 is a liquid inlet pipe; 9 is a first liquid outlet pipe; 100 is a second liquid outlet pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] As shown in Figures 1 to 6 A three-way suction pipe, comprising a three-way valve, the three-way valve comprising a shell 1, the shell 1 being provided with a first joint 11, a second joint 12 and a third joint 13 on the periphery, respectively, the first joint 11 being connected with a liquid inlet pipe 8 at one end, the second joint 12 being connected with a first liquid outlet pipe 9 at one end, the third joint 13 being connected with a second liquid outlet pipe 100 at one end, the shell 1 being provided with a valve body 2 inside, the valve body 2 being rotatable to communicate the liquid inlet pipe 8 with the first liquid outlet pipe 9 or the liquid inlet pipe 8 with the second liquid outlet pipe 100, specifically, the shell 1 being provided with a valve cavity 14 inside, the valve body 2 comprising a valve core 21, the valve core 21 being located inside the valve cavity 14, the valve core 21 being provided with a first channel 22, a second channel 23 and a third channel 24 inside, when the first joint 11 is communicated with the second joint 12, the first channel 22 is communicated with the liquid inlet pipe 8 and the third channel 24 is communicated with the first liquid outlet pipe 9, forming a state as shown in Figure 5 b, when the first joint 11 is communicated with the third joint 13, the second channel 23 is communicated with the liquid inlet pipe 8 and the third channel 24 is communicated with the second liquid outlet pipe 100, forming a state as shown in Figure 5 c.

[0025] One end of the first outlet tube 9 and the second outlet tube 100 are both connected to a three-way valve, and the other end is connected to a suction bottle (not shown in the figure). The suction bottle connected to the first outlet tube 9 can aspirate blood, and the suction bottle connected to the second outlet tube 100 can aspirate amniotic fluid. In use, one end of the inlet tube 8 is placed inside the patient's body. The doctor can turn the valve body 2 and adjust the tubing as needed. When blood needs to be aspirated, the inlet tube 8 is connected to the first outlet tube 9. When amniotic fluid needs to be aspirated, the inlet tube 8 is connected to the second outlet tube 100. This allows for the separate collection of blood and amniotic fluid, enabling direct observation of the fluid in the suction bottle and estimation of the amount of bleeding and amniotic fluid during the cesarean section, thus improving medical safety.

[0026] The valve cavity 14 has a mounting groove 15 on its upper part, and an end cap 4 is covered on the upper part of the mounting groove 15. The end cap 4 is welded and fixed to the housing 1. The valve core 21 has a valve stem 26 on its upper part. The upper end of the valve stem 26 extends out of the end cap 4 and is connected to a knob 3. Rotating the knob 3 can drive the valve body 2 to rotate. Specifically, the knob 3 includes a mounting hole 31, and the upper end of the valve stem 26 passes through the mounting hole 31. The valve stem 26 has a non-circular cross-section, and the valve stem 26 is clearance-fitted with the mounting hole 31. By rotating the knob 3, the valve body 2 can be driven to rotate, thereby switching the pipeline inside the valve body 2.

[0027] A bolt 6 is connected to the upper end of the valve stem 26. The knob 3 can move up and down along the valve stem 26 so that the head of the bolt 6 abuts against or disengages from the upper part of the knob 3. Specifically, the upper part of the end cap 4 is provided with an annular sleeve 41, and the inner side of the annular sleeve 41 is provided with a limiting area 42. The lower part of the knob 3 is provided with a second boss 32, and the lower part of the second boss 32 is provided with an annular surface 33. The side of the annular surface 33 is provided with a limiting block 34. When the head of the bolt 6 abuts against the upper part of the knob 3, the limiting block 34 is located within the limiting area 42. The limiting area 42 includes a first limiting groove 421, a second limiting groove 422, and a third limiting groove 423. When the limiting block 34 is inserted into the first limiting groove 421, the first connector 11, the second connector 12 and the third connector 13 are blocked by the valve core 21. When the limiting block 34 is inserted into the second limiting groove 422, the first connector 11 and the second connector 12 are connected. When the limiting block 34 is inserted into the third limiting groove 423, the first connector 11 and the third connector 13 are connected. The limiting area 42 is provided with a stop block 43 on both sides. The two sides of the limiting block 34 can abut against the side of the stop block 43. A spring 5 is sleeved on the outside of the valve stem 26. The upper part of the spring 5 abuts against the lower part of the knob 3 and the lower part abuts against the upper part of the end cover 4.

[0028] In the initial state, such as Figure 5 As shown in Figure a, the first connector 11, the second connector 12, and the third connector 13 are blocked by the valve core 21. At this time, the limiting block 34 is located in the first limiting groove 421. When it is necessary to connect the first connector 11 and the second connector 12 to form a... Figure 5When the state shown, first press down the knob 3, the knob 3 moves down, spring 5 compression, limit block 34 synchronous downward movement and away from the first limit slot 421, at this time can rotate the knob 3, through the knob 3 drive valve body 2 rotation, when the limit block 34 rotates to the second limit slot 422 below, release the knob 3, the knob 3 is up by the spring 5 elastic force moves, so that the limit block 34 card into the second limit slot 422, at this time the first joint 22 and the second joint 12 communication; if you want to achieve as Figure 5 the state of c in the same way, rotate the knob 3;

[0029] By setting the limit block 34 on the knob 3, the first limit slot 421, the second limit slot 422 and the third limit slot 423 are arranged in the end cover 4, the rotation of the knob 3 can be positioned, the pipeline can be prevented from being switched by mistake due to the knob 3 being accidentally touched during use, the reliability is good, the lower part of the stop block 43 is lower than the lower part of the limit area 42, and when the knob 3 moves to the lowest point, the lower part of the stop block 43 is also lower than the lower part of the limit block 34, the rotation of the knob 3 can be limited by setting the stop block 43.

[0030] The upper part of the valve core 21 is provided with the first boss 25, the valve rod 26 is located on the upper part of the first boss 25, the guide 7 is arranged in the mounting groove 15, the upper part of the first boss 25 abuts against the lower part of the guide 7, and the lower part of the end cover 4 abuts against the upper part of the guide 7; the guide 7 comprises a guide hole 71, and the valve rod 26 penetrates through the guide hole 71; by arranging the guide 7, the end cover 4 and the valve core 21 can be isolated, and the rotation of the valve body 2 can be guided.

[0031] The above only describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments. Any technical solution falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application are also considered to be within the protection scope of the present application.

Claims

1. A three-way suction tube characterized by, The utility model provides a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model provides a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, 2. The suction tube according to claim 1, wherein The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, 3. The suction tube according to claim 2, wherein The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe (8), second joint (12) end is connected with first liquid outlet pipe (9), third joint (13) end is connected with second liquid outlet pipe (100), be equipped with valve body (2) in the casing (1), valve body (2) can rotate, so that liquid inlet pipe (8) and first liquid outlet pipe (9) are communicated or liquid inlet pipe (8) and second liquid outlet pipe (100) are communicated, The utility model discloses a three -way valve, the three -way valve includes the casing (1), the casing (1) is equipped with first joint (11), second joint (12) and third joint (13) respectively, first joint (11) end is connected with liquid inlet pipe ( 4. The suction tube according to claim 2, wherein The limiting area (42) is provided with a stop block (43) on both sides, and the limiting block (34) is capable of abutting the side surface of the stop block (43) on both sides.

5. The suction tube according to claim 2, wherein The outer side of the valve rod (26) is sleeved with a spring (5), the upper part of the spring (5) abuts the lower part of the knob (3), and the lower part abuts the upper part of the end cover (4).

6. The suction tube according to claim 1, wherein The upper part of the valve core (21) is provided with a first boss (25), the valve rod (26) is located on the upper part of the first boss (25), the installation groove (15) is provided with a guide piece (7), the upper part of the first boss (25) abuts the lower part of the guide piece (7), the lower part of the end cover (4) abuts the upper part of the guide piece (7), and the guide piece (7) comprises a guide hole (71), and the valve rod (26) penetrates through the guide hole (71).