CN209809305U

CN209809305U - Medical three-way joint

Info

Publication number: CN209809305U
Application number: CN201821487906.0U
Authority: CN
Inventors: 王云娟
Original assignee: Haidian District Maternal And Child Health Care Hospital Of Beijing
Current assignee: Haidian District Maternal And Child Health Care Hospital Of Beijing
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2019-12-20
Anticipated expiration: 2028-09-11

Abstract

The utility model discloses a medical three way connection belongs to the medical supplies field, its technical essential includes the valve body, be provided with the tubulose first joint that is linked together with the valve body is inside on the valve body, the second connects, whether each joint of third joint and control three way connection leads to the change over switch, be provided with the taper pipe connector that can dismantle the connection on the first joint, the awl point of taper pipe connector is located the one end that deviates from first joint, the hole that the second connects is the bell mouth, the free end that the second connects is provided with spacing subassembly, it can dismantle continuous being used for connecting the third with the confined cap of closing to be provided with on the third joint. The device has the advantages that the urinary tube is connected with the urinary bag, so that when medicine is injected, the medicine can be injected without separating the urinary bag from the urinary tube, and the retrograde infection of the urinary tract is avoided.

Description

Medical three-way joint

Technical Field

The utility model relates to the field of medical supplies, in particular to medical three way connection.

Background

Patients during chronic medical and surgical conditions, the bladder may need to be emptied for weeks, months, or in some cases for a long period of time, including prolonged surgery, inability to urinate special patients, and patients in certain medical conditions. In this case, a urinary catheterization package is required to solve the problem of urination of the patient.

Prior art urinary catheterizations, when inserted into a patient for extended periods of time, can cause pain or other discomfort to the patient, which is manifested by acute urinary sensation, urethral pain, dysphoria, increased heart rate, and elevated blood pressure. It is therefore necessary to additionally inject the patient with anesthetic or other discomfort-relieving injection solution during insertion of the catheterization package.

When adopting the syringe to carry out the medicine injection, half the injection port with the syringe docks with the ureter, but the mouth of pipe of current ureter is big than the injection port size of syringe, leaks in the slit of ureter and syringe easily from the ureter when carrying out the medicine injection, not only causes the waste of partly medicine, and the operation process is numerous moreover, and the in-process urine of changing can leak, thereby and external bacterium easily gets into from the ureter and causes pollution and urinary tract retrograde infection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical three way connection, it has links to each other ureter and urine bag to when injecting the medicine, need not separately carry out the medicine injection with urine bag and ureter, thereby avoid the advantage of urinary tract retrograde infection.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a medical three way connection, which comprises a valve body, be provided with the tubulose first joint that is linked together with the valve body is inside on the valve body, the second connects, whether each joint of third joint and control three way connection leads to the change over switch, be provided with the taper pipe connector of dismantling the connection on the first joint, the awl point of taper pipe connector is located the one end that deviates from first joint, the hole that the second connects is the bell mouth, the free end that the second connects is provided with spacing subassembly, be provided with on the third joint and dismantle continuous being used for the third and connect confined cap.

Through adopting above-mentioned technical scheme, when needs carry out the medicine injection, rotate change over switch, make first joint and third joint and valve body be linked together, make and not communicate between second joint and the valve body, open the closing cap on the third joint, use the syringe to inject the medicine from the third joint into to make the medicine inject the bladder along the ureter in, after finishing injecting, reset change over switch, and install the closing cap on the third joint, thereby seal the third joint. When the medicine is injected into the bladder, the urine bag does not need to be pulled out, so that the retrograde infection of the urinary tract is not easy to cause.

The utility model discloses further set up to: the limiting assembly is at least one group of opposite elastic pieces, the elastic pieces are located on the outer side of the inner hole of the second connector, and clamping blocks are respectively arranged at one ends, far away from the second connector, of the opposite surfaces of the opposite elastic pieces.

Through adopting above-mentioned technical scheme, connect the inside time with the plug insert the second and fix the plug to avoid plug and second to connect the situation that the separation appears, when needs will urinate the bag and take off, break off the flexure strip off with the fingers and thumb, thereby make the flexure strip warp to the one side of keeping away from the plug, can take out the plug from the second connects.

The utility model discloses further set up to: the fixture block is a conical block or a right-angled triangular block, and the inclined plane of the conical block or the right-angled triangular block is positioned at one end, far away from the second joint, of the elastic sheet and positioned on one side, far away from the elastic sheet.

Through adopting above-mentioned technical scheme, when inserting the plug in the second connects, only need promote the plug and move to the second connects in can opening the flexure strip, need not hand and break the flexure strip off with the fingers and thumb.

The utility model discloses further set up to: and a guide pipe is arranged in the second connector.

Through adopting above-mentioned technical scheme, through the honeycomb duct to make the urine in the second joint of flowing through directly flow in the inside of plug, avoid appearing the condition of weeping between the wallboard of second joint and plug.

The utility model discloses further set up to: the second joint is provided with a plug for sealing an inner hole of the second joint, and the plug is fixed on the second joint through a flexible connecting sheet.

By adopting the technical scheme, the plug is fixed on the second joint through the flexible connecting sheet, so that the situation that the plug is lost is avoided.

The utility model discloses further set up to: the great one end of taper pipe connector cross section is provided with the threaded connection cap, is provided with the threaded connection head on the free end of first joint, thereby the threaded connection cap closes soon to the threaded connection head on with the taper pipe connector is fixed to first joint.

Through adopting above-mentioned technical scheme, can be quick with the taper pipe connection cap fixed to first joint.

The utility model discloses further set up to: the outside of taper pipe connector is provided with the cap with taper pipe connector cover inside, and the cap passes through flexible connection piece to be fixed to the threaded connection cap on.

Through adopting above-mentioned technical scheme, fix the cap on threaded connection cap through flexible connection piece to avoid the cap condition that the loss appears.

The utility model discloses further set up to: the outer side surface of the taper pipe connector is provided with a plurality of annular anti-skidding lines.

Through adopting above-mentioned technical scheme to make the taper pipe connector when inserting in the ureter, the taper pipe connector is difficult for separating with the ureter.

To sum up, the utility model discloses following beneficial effect has:

1. the urine tube is connected with the urine bag by adopting the medical three-way joint, so that the urine bag does not need to be pulled down when the liquid medicine is injected, and the retrograde infection of the urinary tract is not easy to cause.

2. Through the flow guide pipe, the situation of liquid leakage between the second connector and the wall plate of the plug is avoided;

3. through set up anti-skidding line on the taper pipe connector, the taper pipe connector is difficult for separately with the ureter.

Drawings

FIG. 1 is a schematic structural view showing a state of use of a medical three-way joint;

FIG. 2 is a schematic structural view of a medical three-way joint;

FIG. 3 is a partial enlarged view of portion A of FIG. 1;

FIG. 4 is a cross-sectional view of a three-way fitting;

fig. 5 is a partially enlarged view of a portion B in fig. 4.

In the figure, 1, a ureter; 2. a urine bag; 21. a plug; 3. a three-way joint; 31. a valve body; 32. a first joint; 321. a threaded connector; 33. a second joint; 331. an elastic sheet; 332. a clamping block; 333. a flow guide pipe; 34. a third joint; 341. a sealing cap; 35. a transfer switch; 351. a cylindrical switch; 3511. a flow-through hole; 352. a handle; 36. a taper pipe connector; 361. a threaded connection cap; 362. anti-skid lines; 4. a plug; 5. a cap; 6. a flexible connecting sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

A medical three-way joint is shown in figure 1, when in use, the medical three-way joint is positioned between an existing ureter 1 and a urine bag 2 and is respectively connected with the ureter 1 and the urine bag 2 in an inserting way, wherein a conical plug 21 butted with the medical three-way joint is arranged on the urine bag 2.

The three-way joint 3 includes a cylindrical valve body 31 with one open end and a hollow interior, a first joint 32, a second joint 33 and a third joint 34 are respectively arranged on the side wall of the valve body 31, wherein the inner holes of the first joint 32, the second joint 33 and the third joint 34 are all communicated with the interior of the valve body 31. The first joint 32, the second joint 33, the third joint 34 and the valve body 31 are all made of plastic materials and are formed by integral injection molding. The first joint 32 and the second joint 33 are respectively located on two opposite sides of the valve body 31, the third joint 34 is located on the valve body 31 between the first joint 32 and the second joint 33, an included angle between the first joint 32 and the third joint 34 is a right angle, and an included angle between the second joint 32 and the third joint 34 is a right angle.

A changeover switch 35 for controlling the conduction of each joint of the three-way joint 3 is rotatably connected to the inside of the valve body 31. Comprises a cylinder switch 351 which is rotatably connected inside the valve body 31 and is matched with the inner shape of the valve body 31, and a handle 352 which is positioned outside the valve body 31, wherein the handle 352 and the cylinder switch 351 are integrally formed. Flow holes 3511 are respectively formed in the outer wall of the cylindrical switch 4351 at positions opposite to the first joint 32, the second joint 33 and the third joint 34, wherein the three flow holes 3511 are distributed in a T shape and are communicated with each other in a crossed manner at the center of the cylindrical switch 452. The handle 352 is "T" shaped and conforms to the layout of the three flow holes 3511 on the cylinder switch 351.

As shown in fig. 1 and 3, a threaded connector 321 integrally formed with the first joint 32 is provided at a free end of the first joint 32, wherein the threaded connector 321 is a tubular structure with threads on an outer surface. A taper pipe connector 36 is screwed on the threaded connector 321, wherein the taper point of the taper pipe connector 36 is located at one end far away from the first connector 32, and the other end is screwed on the threaded connector 321 through a threaded connection cap 361. The three-way connection 3 is thus plugged onto the urinary catheter 1 via the cone connection 36.

The threaded connection cap 361 is a tubular structure with an inner side wall plate provided with internal threads, and the internal threads on the threaded connection cap 361 are matched with the external threads on the threaded connector 321. The threaded cap 361 is integrally formed with the cone connector 36. On the outside conical surface of the taper pipe connector 36, a plurality of annular anti-slip threads 362 are arranged along the axial direction of the taper pipe connector 36.

The outside of the cone connector 36 is provided with a cap 5 which covers the cone connector 36. The cap 5 is fixed on the threaded connection cap 361 through a flexible connecting sheet 6, and two ends of the flexible connecting sheet 6 are respectively fixedly connected with the cap 5 and the threaded connection cap 361.

As shown in fig. 1 and 2, the inner hole of the second connector 33 is a tapered hole, and the size of the tapered hole matches with the external size of the plug 21 on the urine bag 2 so that the plug 21 protrudes into the second connector 33. Two sets of opposing elastic pieces 331 are provided at the free end of the second joint 33, and the elastic pieces 331 are integrally formed with the second joint 33. The opposite elastic pieces 331 are respectively located outside the inner holes of the second connector 33. On the opposite surface of the opposite elastic piece 331, at the end far from the second joint 33, a latch 332 integrally formed with the elastic piece 331 is provided, wherein the spacing between the latches 332 is smaller than the diameter of the tail end of the plug 21. When the plug 21 is fully inserted into the second connector 33, a side surface of the latch 332 facing the second connector 33 abuts on a surface of the rear end of the plug 21.

To facilitate insertion of the plug 21 into the inner hole of the second connector 33, the latch block 332 is a tapered block or a right-angled triangular block, and the inclined surface of the tapered block or the right-angled triangular block is located at the end of the elastic piece 331 away from the second connector 33 and faces away from the elastic piece 331.

The outer part of the second joint 33 is provided with a plug 4 for closing the free end of the second joint 33, the plug 4 is fixed on the outer side surface of the second joint 33 through a flexible connecting sheet 6, and two ends of the flexible connecting sheet 6 are respectively fixedly connected with the plug 4 and the second joint 33.

As shown in fig. 4 and 5, a delivery pipe 333 is provided in the inner bore of the second joint 33, wherein one end of the delivery pipe 333 communicates with the interior of the valve body 31 and the other end thereof protrudes into the inner bore of the plug 21. The delivery pipe 333 is integrally formed with the valve body 31.

As shown in fig. 1, a closing cap 341 for closing the inner hole of the third joint 34 is provided at the free end of the third joint 34. Wherein the closure cap 341 is screwed onto the third adapter 34. An external thread is arranged at the free end of the third joint 34, an internal thread matched with the external thread on the third joint 34 is arranged inside the sealing cap 341, and the sealing cap 341 is screwed on the third joint 34 through the matching of the threads, so that the inner hole of the third joint 34 is sealed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a medical three way connection, includes valve body (31), be provided with tubular first joint (32), second joint (33), third joint (34) and the control three way connection (3) each connect the change over switch (35) that whether lead with valve body (31) inside intercommunication on valve body (31), its characterized in that: be provided with on first joint (32) can dismantle the taper pipe connector (36) that are used for with catheter (1) butt joint of connecting, the awl point of taper pipe connector (36) is located the one end that deviates from first joint (32), the hole that second connects (33) is the bell mouth, plug (21) insert the inside that second connects (33), the free end that second connects (33) is provided with spacing subassembly, be provided with on third joint (34) and dismantle continuous being used for with third joint (34) confined cap (341).

2. The medical tee fitting of claim 1, wherein: the limiting assembly is at least one group of opposite elastic pieces (331), the elastic pieces (331) are located on the outer side of the inner hole of the second joint (33), and clamping blocks (332) are respectively arranged at one ends, far away from the second joint (33), of opposite surfaces of the opposite elastic pieces (331).

3. The medical tee fitting of claim 2, wherein: the clamping block (332) is a conical block or a right-angled triangular block, and the inclined surface of the conical block or the right-angled triangular block is positioned at one end, far away from the second joint (33), of the elastic sheet (331) and positioned at one side, far away from the elastic sheet (331).

4. The medical tee fitting of claim 1, wherein: a guide pipe (333) is arranged inside the second joint (33).

5. The medical tee fitting of claim 4, wherein: the second connector (33) is provided with a plug (4) used for sealing an inner hole of the second connector (33), and the plug (4) is fixed on the second connector (33) through a flexible connecting sheet (6).

6. The medical tee fitting of claim 1, wherein: the great one end of taper pipe connector (36) cross section is provided with threaded connection cap (361), be provided with threaded connection head (321) on the free end of first joint (32), thereby threaded connection cap (361) closes soon to threaded connection head (321) on with taper pipe connector (36) fixed to first joint (32).

7. The medical tee fitting of claim 6, wherein: the outside of taper pipe connector (36) is provided with cap (5) that covers taper pipe connector (36) inside, cap (5) are fixed to threaded connection cap (361) through flexible connecting piece (6).

8. The medical tee fitting of claim 1, wherein: the outer side surface of the taper pipe connector (36) is provided with a plurality of annular anti-skidding lines (362).