Drainage tube joint

Abstract

The utility model discloses a drainage tube connector which comprises a three-way connector body, three connecting ends are arranged on the three-way connector body, a fixing plate is arranged at the top end of the three-way connector body, a three-way valve is arranged in the three-way connector body, one end of the three-way valve penetrates through the fixing plate to be connected with a rotary knob, and a mistaken touch prevention mechanism is arranged on the rotary knob. Through the arrangement of the three-way connector, a patient can open and close the drainage tube more conveniently, a passage is provided for the patient to conduct peritoneal irrigation or other operations conveniently, through the arrangement of the mistaken touch prevention mechanism, the connecting rod can be placed in the groove, the position of the rotary knob can be fixed, and the operation is convenient. Therefore, the position of the three-way valve is fixed, and the situation that a user touches the knob by mistake, the communication direction in the three-way connector is changed, and the drainage effect is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a drainage tube joint. Background Art

[0002] Drainage tubes are used for clinical surgical drainage. They are medical devices that guide pus, blood, and fluid accumulated between human tissues or in body cavities to the outside of the body to prevent postoperative infection and promote wound healing. There are many types of surgical drainage tubes used clinically, some are used for urinary catheterization, some are used for wounds, and they are used in the chest cavity, brain cavity, gastrointestinal tract, bile duct, etc.

[0003] After searching a drainage tube joint assembly and a drainage device disclosed in Chinese patent CN206350839U, the drainage tube joint assembly and the drainage device provided by this utility model can effectively solve the connection problem between drainage tubes of different calibers and drainage bags. At the same time, by arranging three interfaces and a three-way valve at the joint, urine sampling and cleaning of the drainage device pipeline are convenient.

[0004] However, a drainage tube joint assembly and a drainage device still have some shortcomings. Although the patent provides three interfaces and a three-way valve at the joint to facilitate closing the drainage tube and performing other operations, when using this device, it is easy to accidentally touch the knob on the top of the three-way valve, causing the knob to rotate, resulting in changes in the internal connectivity of the joint, affecting the drainage effect. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a drainage pipe joint to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A drainage pipe joint comprises a three-way joint body, the three-way joint body is provided with three connection ends, a fixing plate is provided at the top of the three-way joint body, a three-way valve is provided inside the three-way joint body, one end of the three-way valve passes through the fixing plate and is connected to a knob, and an anti-mistouch mechanism is provided on the knob.

[0008] Furthermore, in order to prevent the user from accidentally touching the knob, causing the fluid connection direction inside the three-way joint to change and affecting the drainage effect of the drainage tube, the anti-accidental touch mechanism includes a pull plate arranged above the fixed plate, a connecting rod is provided at the bottom end of the pull plate, and there are two connecting rods. Fixed piles are provided on both sides of one end of the knob, and a groove is provided on the fixed plate. One end of the connecting rod passes through the fixed pile and is placed in the groove. A telescopic spring is sleeved on the outside of the connecting rod, one end of the telescopic spring is connected to the pull plate, and the other end is connected to the fixed pile.

[0009] Furthermore, the fixing pile is provided with a through hole, and the through hole matches the connecting rod.

[0010] Furthermore, the three connection ends are respectively a first connection end, a second connection end and a third connection end, and the first connection end and the second connection end are symmetrically arranged.

[0011] Furthermore, in order to facilitate the connection with drainage tubes of different sizes used for different affected areas, a connecting tube is connected to one side of the first connecting end, a first thread is provided on the connecting tube, a connecting joint is provided on the outside of the connecting tube, the connecting joint is in a truncated cone shape, a second thread is provided inside the connecting joint, the first thread matches the second thread, and a fastening ring is provided on the connecting joint.

[0012] Furthermore, in order to ensure the airtightness inside the third connection end when the third connection end is not in use, a third thread is provided on the third connection end, and a sealing cover is provided on the outer side of the third connection end, and the sealing cover is threadedly connected to the third thread.

[0013] Furthermore, in order to facilitate connection with an external drainage bag, one end of the second connecting end is connected to a rubber tube.

[0014] Furthermore, in order to fix the drainage pipe joint, a connecting plate is provided at the bottom end of the three-way joint body, and an adhesive layer is fixed to the bottom end of the connecting plate.

[0015] The beneficial effects of the utility model are:

[0016] (1) By providing this three-way joint, it is more convenient for patients to open and close the drainage tube, and it is convenient for patients to provide a passage for peritoneal lavage or other operations. By providing an anti-mistouch mechanism, the position of the knob can be fixed by placing the connecting rod inside the groove, thereby fixing the position of the three-way valve, preventing the user from accidentally touching the knob, causing the connection direction inside the three-way joint to change, affecting the drainage effect.

[0017] (2) By providing a threaded tube and a connecting joint on one side of the second connecting end, it is convenient to connect drainage tubes of different diameters according to different patients, making the drainage joint more practical. In addition, by providing a fastening ring on the outside of the drainage tube, the connection effect between the drainage tube and the three-way joint can be strengthened, preventing liquid leakage at the connection point. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1This is a front view of a drainage pipe joint according to an embodiment of the utility model.

[0020] Figure 2 It is a side view of a drainage pipe joint according to an embodiment of the utility model.

[0021] Figure 3 It is a top view of a drainage pipe joint according to an embodiment of the utility model.

[0022] Figure 4 The present invention is a structural diagram of an anti-mistouch mechanism for a drainage pipe joint according to an embodiment of the present utility model.

[0023] In the figure:

[0024] 1. Three-way connector body; 2. Fixing plate; 3. Three-way valve; 4. Knob; 5. Anti-accidental touch mechanism; 501. Pull plate; 502. Connecting rod; 503. Fixing pile; 504. Groove; 505. Telescopic spring; 6. Through hole; 7. First connecting end; 8. Second connecting end; 9. Third connecting end; 10. Connecting pipe; 11. First thread; 12. Connecting joint; 13. Second thread; 14. Fastening ring; 15. Third thread; 16. Sealing cover; 17. Rubber tube; 18. Connecting plate; 19. Adhesive layer; 20. Connecting end. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] See also Figure 1-Figure 4The present application proposes a drainage tube joint, including a three-way joint body 1, on which three connection ends 20 are provided, and the three connection ends 20 are respectively a first connection end 7, a second connection end 8 and a third connection end 9, the first connection end 7 and the second connection end 8 are symmetrically arranged, a fixing plate 2 is provided at the top of the three-way joint body 1, a three-way valve 3 is provided inside the three-way joint body 1, and one end of the three-way valve 3 passes through the fixing plate 2 and is connected to a knob 4. By setting the three-way valve 3 and the knob 4, the drainage tube can be opened and closed, and the flow direction inside the three-way joint can be adjusted, so that the flow can be adjusted according to different needs of patients. The direction is changed, an anti-accidental touch mechanism 5 is provided on the knob 4, and the anti-accidental touch mechanism 5 includes a pull plate 501 arranged above the fixed plate 2, a connecting rod 502 is provided at the bottom of the pull plate 501, and the number of the connecting rods 502 is two, and fixing piles 503 are provided on both sides of one end of the knob 4, and a groove 504 is provided on the fixed plate 2. One end of the connecting rod 502 passes through the fixing pile 503 and is placed in the groove 504. A telescopic spring 505 is sleeved on the outer side of the connecting rod 502, one end of the telescopic spring 505 is connected to the pull plate 501, and the other end is connected to the fixing pile 503. A through hole 6 is provided on the fixing pile 503, and the through hole 6 matches the connecting rod 502. By setting up the anti-mistouch mechanism 5, when the knob 4 needs to be rotated, the pull plate 501 is pulled upwards to stretch the telescopic spring 505, driving the connecting rod 502 away from the groove 504, so that the knob 4 can be rotated. When the rotation of the knob 4 is completed, under the action of the telescopic spring 505, the connecting rod 502 will move downward, and the connecting rod 502 will be placed in the groove 504 again, so that the position of the knob 4 is fixed, preventing the user from accidentally touching the knob 4, causing the connection direction inside the three-way joint to change, affecting the drainage effect.

[0027] See also Figure 1-Figure 3A connecting pipe 10 is connected to one side of the first connecting end 7, a first thread 11 is provided on the connecting pipe 10, a connecting joint 12 is provided on the outside of the connecting pipe 10, the connecting joint 12 is truncated, a second thread 13 is provided inside the connecting joint 12, the first thread 11 matches the second thread 13, a fastening ring 14 is sleeved on the connecting joint 12, a third thread 15 is provided on the third connecting end 9, and a sealing cover 16 is provided on the outside of the third connecting end 9. By setting the sealing cover 16, the third connecting end 9 can be protected at the third connecting end 9 to prevent air from entering the third connecting end 9. The dust in the body of the three-way joint enters the interior of the three-way joint body 1 through the opening of the third connecting end 9, ensuring the normal use of the three-way joint. The sealing cover 16 is threadedly connected to the third thread 15. One end of the second connecting end 8 is connected to a rubber tube 17. By setting the rubber tube 17, it is convenient to connect an external drainage bag. A connecting plate 18 is provided at the bottom end of the three-way joint body 1. An adhesive layer 19 is fixed to the bottom end of the connecting plate 18. By setting the adhesive layer 19, it is convenient to stick the three-way joint on the patient's body without the need to use additional tape to fix it, making it more convenient for patients to use. Through the above scheme, by setting the second connecting end 8, it is convenient to connect the drainage tube at the patient, and by setting the threaded tube and the connecting joint 12 on one side of the second connecting end 8, it is convenient to connect the drainage tubes of different diameters, making this drainage joint more practical. After the drainage tube is sleeved on the first connecting end 7, the fastening ring 14 can be sleeved on the outside of the drainage tube to strengthen the connection effect between the drainage tube and the three-way joint, prevent liquid leakage at the connection, and by setting the first thread 11 inside the connecting joint 12, it is convenient to disassemble the connector and replace the connector.

[0028] Working principle: When using this drainage tube connector, the first connecting end 7 can be connected to the drainage tube at the patient, and the second connecting end 8 can be used to connect to the external drainage bag. By setting the three-way valve 3 and the knob 4, the drainage tube can be opened and closed, and the flow direction inside the three-way connector can be adjusted, which is convenient for changing the flow direction according to different needs of patients. By setting the anti-mistouch mechanism 5, the position of the knob 4 can be fixed by placing the connecting rod 502 inside the groove 504, thereby fixing the position of the three-way valve 3, preventing the user from accidentally touching the knob 4, causing the connection direction inside the three-way connector to change, affecting the drainage effect.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drainage pipe joint, characterized in that: The invention comprises a three-way joint body (1), wherein the three-way joint body (1) is provided with three connection ends (20), a fixing plate (2) is provided at the top of the three-way joint body (1), a three-way valve (3) is provided inside the three-way joint body (1), one end of the three-way valve (3) passes through the fixing plate (2) and is connected to a knob (4), the knob (4) is provided with an anti-mistaken touch mechanism (5), the anti-mistaken touch mechanism (5) comprises a pull plate (501) provided above the fixing plate (2), the bottom end of the pull plate (501) is provided with a pull plate (501) A connecting rod (502) is provided, and the number of the connecting rods (502) is two. Fixed piles (503) are provided on both sides of one end of the knob (4). A groove (504) is provided on the fixing plate (2). One end of the connecting rod (502) passes through the fixed pile (503) and is placed inside the groove (504). A telescopic spring (505) is sleeved on the outer side of the connecting rod (502). One end of the telescopic spring (505) is connected to the pull plate (501), and the other end is connected to the fixed pile (503).

2. A drainage pipe joint according to claim 1, characterized in that: The fixing pile (503) is provided with a through hole (6), and the through hole (6) matches the connecting rod (502).

3. A drainage pipe joint according to claim 1, characterized in that: The three connection ends (20) are respectively a first connection end (7), a second connection end (8) and a third connection end (9); the first connection end (7) and the second connection end (8) are symmetrically arranged.

4. A drainage pipe joint according to claim 3, characterized in that: A connecting pipe (10) is connected to one side of the first connecting end (7), a first thread (11) is provided on the connecting pipe (10), a connecting joint (12) is provided on the outside of the connecting pipe (10), the connecting joint (12) is truncated, a second thread (13) is provided inside the connecting joint (12), the first thread (11) matches the second thread (13), and a fastening ring (14) is sleeved on the connecting joint (12).

5. The drainage pipe joint according to claim 3, characterized in that: The third connection end (9) is provided with a third thread (15), and a sealing cover (16) is provided on the outer side of the third connection end (9), and the sealing cover (16) is threadably connected to the third thread (15).

6. A drainage pipe joint according to claim 3, characterized in that: One end of the second connecting end (8) is connected to a rubber tube (17).

7. The drainage pipe joint according to claim 1, characterized in that: A connecting plate (18) is provided at the bottom end of the three-way joint body (1), and an adhesive layer (19) is fixed to the bottom end of the connecting plate (18).

Images