CN208511713U

CN208511713U - Three-way stopcock for urinary catheter with feasible negative pressure suction

Info

Publication number: CN208511713U
Application number: CN201820197839.2U
Authority: CN
Inventors: 梁藕香
Original assignee: General Hospital of Guangzhou Military Command
Current assignee: General Hospital of Guangzhou Military Command
Priority date: 2018-02-05
Filing date: 2018-02-05
Publication date: 2019-02-19
Anticipated expiration: 2028-02-05

Abstract

The utility model provides a kind of three-way cock of dedicated feasible vacuum suction of urinary catheter, including T-shaped three-way cock ontology；Including spool and valve body, spool root is provided with T-type steering handle, and spool end is provided with spool end mounting portion and installation nut, T-type liquid pass hole is provided in the middle part of spool, and restraining position ring block shape slot is arranged in upside in the middle part of spool；Valve body top is provided with limited block, is provided with T connector in the middle part of valve body, stepped screw thread is provided with outside the interface of the first fitting end；The interface of second fitting end is provided with calparine cap；Chock plug and card plug are provided with outside the interface of third fitting end.Three-way cock provided by the utility model, it reduces bladder irrigation, leave and take midstream urine, the inadequate bring operating difficulties of leakproofness occurred in bladder pressure monitoring process, caused by patient the problems such as secondary injury, the probability for reducing infection reduces the workload of medical staff, increases clinical use effect.

Description

The three-way cock of the dedicated feasible vacuum suction of urinary catheter

Technical field

The utility model relates to medical instrument consumptive material technical fields, and in particular to a kind of dedicated feasible vacuum suction of urinary catheter Three-way cock.

Background technique

Bladder irrigation is the common treatment means of Urology Surgery, is to be poured into physiological saline in bladder by catheter, dilute It releases and drains intravesical blood, avoid formation blood clot in bladder from leading to lower urinary tract obstruction, guarantee that drainage is unobstructed, mitigate pain And stimulation, it prevents from infecting, is conducive to bladder function recovery.Especially bladder tumor patients, bladder is interior to be full of clot, urine drainage Difficulty, and frequent occurrence urinary blocking situations such as.

Present clinical use has two-chamber urinary catheter, three chamber urinary catheters, and most commonly used is two-chamber urinary catheter.There are two two-chamber urinary catheter contains Channel: water pocket channel, drainage of urine channel are clinically rushed when bladder irrigation with the channel that scalp is needled into drainage of urine It washes, repeatedly punctures easily generation catheter leakage of urine or needle and stab, tend to pierce water pocket channel or lead to leak after puncturing repeatedly, And care operation complex steps, cause flushing liquor excessive in operation, urine is often easy pollution both hands and pollution resistant bed Unit.And two-chamber urinary catheter carry out bladder irrigation, leave and take midstream urine, bladder pressure monitoring is both needed to syringe needle and punctures urinary catheter end or disconnected Opening the interface between urinary catheter and drainage bag could complete.Three chamber urinary catheters are used for continuous bladder rinse, and drainage and flushing are separated Two passes cause urinary catheter thicker, and careless manipulation easily damages urethral wall, are easy to stab patient and cause secondary injury, and interface It is also not needleless joint.There is a chamber that should can carry out bladder irrigation, midstream urine, bladder pressure is stayed to monitor in three chamber urinary catheters, but because Urinary catheter end interface is not matched with infusion apparatus or syringe, can not be completely embedded, operating difficulties, and every during bladder irrigation Increase a chamber means that infecting probability increase accordingly more.

Utility model content

In view of the deficiencies of the prior art, it is necessary to provide a kind of threeways of the dedicated feasible vacuum suction of urinary catheter for the utility model Cock, reduce bladder irrigation, leave and take midstream urine, bladder pressure monitoring process in occur the inadequate bring operating difficulties of leakproofness, Caused by patient the problems such as secondary injury, the probability of infection is reduced, reduces the workload of medical staff, increases clinical use effect Fruit.

On the one hand, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, packets Include T-shaped three-way cock ontology；

The three-way cock ontology includes spool and valve body, and the spool root is provided with T-type steering handle, the T-type Corrugated anti-skid bulge is provided on steering handle, the upper part of the T-type steering handle is provided with direction instruction protrusion；It is described Spool end is provided with the spool end mounting portion that screw thread is mutually matched and installation nut, is provided with T-type mistake in the middle part of the spool The orientation of fluid apertures, the T-type liquid pass hole is consistent with the orientation of T-type steering handle, and restraining position ring block is arranged in upside in the middle part of the spool Shape slot；The valve body top is provided with to be provided with and T-type liquid pass hole with the limit matched limited block of annular groove, the valve body middle part The T connector communicated, the T connector include the first connector, the second connector and third connector；The valve body lower portion is provided with With the installation matched locking working face of nut size；Stepped spiral shell is provided with outside the interface of first fitting end Line；The interface of second fitting end is provided with calparine cap；Plug is provided with outside the interface of the third fitting end Head and card plug, the chock plug is in a circular table shape, and the card plug setting forms clamping working face in chock plug end and with chock plug.

Further, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, First connector is connect with catheter；Second connector is connect with syringe or infusion apparatus nipple；The third connector with Drainage tube connection.

Further, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, A filter screen is arranged in the middle part of second connector.

Further, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, One layer of spring energy storage circle is set inside the drainage tube, and the width of spring energy storage circle is just consistent with clamping working depth.

Further, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, The drainage tube is connect by check valve with negative pressure bottle or negative pressure drainage bag；It is provided with out on the negative pressure bottle or negative pressure drainage bag It closes.

Further, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, The drainage tube is silica gel material.

Further, the purpose of this utility model is to provide a kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter, The negative pressure drainage bag is disposable negative pressure drainage bag.

A kind of three-way cock of the dedicated feasible vacuum suction of urinary catheter provided by the utility model, has the advantage that

The spool of the utility model three-way cock can realize 360 ° of unrestricted rotations, and the limit annular groove and valve of spool The limit Block- matching of body, installation nut are matched with locking working face, so that spool and valve body installation are close and non-leakage；

It by the independent design of the first connector, the second connector and third connector, does not interfere with each other, avoids winding, be suitble to Urinary catheter vacuum suction uses；

By the sealing matching design of the first connector, the second connector and third connector, existing medical threeway can effectively solve The problem of valve leakproofness difference, and can prevent the case where falling off in use process；

Clot can smoothly be sucked out by negative pressure, it is ensured that urinary catheter is unobstructed；It avoids because of bladder irrigation, stay midstream urine, bladder pressure Urinary catheter end is frequently punctured when monitoring to cause leakage of urine and destroy closed system, reduces infection chance, and reduce because of urinary blocking It frequently replaces urinary catheter and damages urethra, increase patient's pain；Mitigate workload of the nurse, improves nursing quality.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the spool of the three-way cock of the dedicated feasible vacuum suction of urinary catheter of the utility model.

Fig. 2 is the structural schematic diagram of the valve body of the three-way cock of the dedicated feasible vacuum suction of urinary catheter of the utility model.

Fig. 3 is the end cross-sectional of the third connector of the three-way cock of the dedicated feasible vacuum suction of urinary catheter of the utility model Structural schematic diagram.

Fig. 4 is the structural schematic diagram with the three-way cock of the dedicated feasible vacuum suction of urinary catheter of the utility model.

Specific embodiment

The utility model is further described with specific embodiment below, but the utility model is not by following embodiments Restriction.Those skilled in the art can use for reference present disclosure, be suitably modified realization of process parameters.In particular, it should be pointed out that All similar substitutions and modifications are apparent to those skilled in the art, they are considered as being included in originally practical It is novel.The method of the utility model and application are described by preferred embodiment, and related personnel can obviously not take off Method described herein and application are modified or appropriate changes and combinations from the content of the present invention, spirit and scope, Carry out implementation and application the utility model technology.

Embodiment 1

As shown in figures 1-4, the utility model provides a kind of three-way cock of dedicated feasible vacuum suction of urinary catheter, including is in T The three-way cock ontology of type；

The three-way cock ontology includes spool 1 and valve body 2,

1 root of spool is provided with T-type steering handle 11, and it is anti-that 11 two sides of T-type steering handle are provided with corrugated Sliding protrusion 12, the upper part of the T-type steering handle 1 is provided with direction instruction protrusion 13；1 end of spool is provided with screw thread The spool end mounting portion 14 that is mutually matched and installation nut 15 are provided with T-type liquid pass hole 16, the T-type in the middle part of the spool 1 The orientation of liquid pass hole 16 is consistent with the orientation of T-type steering handle 11, and restraining position ring block shape slot 17 is arranged in the 1 middle part upside of spool；

2 top of valve body be provided with the limit matched limited block 21 of annular groove 17, be provided in the middle part of the valve body 2 with The T connector that T-type liquid pass hole 16 communicates, the T connector include the first connector 22, the second connector 23 and third connector 24；Institute State being provided with and the installation matched locking working face 25 of 15 size of nut for 2 lower part of valve body；The valve of the utility model three-way cock Core 1 can realize 360 ° of unrestricted rotations, and the limit annular groove 17 of spool 1 is matched with the limited block 21 of valve body 2, install nut 15 with locking working face 25 match so that spool 1 installed with valve body 2 it is close and non-leakage；

Stepped screw thread is provided with outside the interface of first connector, 22 end；Can closely it connect with catheter It connects, reduces the risk of disengaging, the outer tube diameter of the interface of 22 end of the first connector is 5mm, and interior caliber is 3mm, is about 3mm.

The interface of second connector, 23 end is provided with calparine cap 231, can simplify device, simplify nurse operation, subtract The link that few infusion pipeline is disengaged, reduces the chance of germ contamination；Through syringe at the calparine cap 231 of the second connector 23 Different pharmaceutical can be injected repeatedly, guarantees that patient's postoperative drainage is unobstructed, while avoiding medication and being repeatedly inserted into urinary catheter in the process, dampened The surface of a wound mitigates tissue edema；

Chock plug 241 and card plug 242 are provided with outside the interface of 24 end of third connector, the chock plug 241 is in circle Mesa-shaped, the setting of card plug 242 form clamping working face 243 in 241 end of chock plug and with chock plug 241；24 end of third connector The caliber of interface be about 6.7mm, a length of 3~5cm；

By the sealing matching design of the first connector 22, the second connector 23 and third connector 24, existing doctor can effectively solve The problem of triple valve leakproofness difference is treated, and can be prevented the case where falling off in use process.

Preferably, first connector 22 is connect with catheter 31；Second connector 23 and syringe or infusion apparatus cream Head connection；The third connector 24 is connect with drainage tube 32.

Preferably, a filter screen (being not drawn into figure) is arranged in the middle part of second connector 23, which can filter out 5 μm or less particles in medical fluid alleviate the adverse reaction as caused by particle pollution during clinical infusion；Second connector 23 guarantees Injection of medicine amount, and can be made up a prescription according to different diseases, it can be mixed into multiple-medicinal-liquid or ointment, granulometric impurity can be filtered by filter screen It removes, ensure that better rehabilitation.

Preferably, one layer of spring energy storage circle 33 is set inside the drainage tube 32, and the width of spring energy storage circle 33 is just It is consistent with 243 depth of clamping working face, in negative pressure state, avoids due to connecting defective tightness bring dropping situations.

Preferably, the drainage tube 32 is connect by check valve with negative pressure bottle or negative pressure drainage bag；The negative pressure bottle is negative Switch is provided on pressure drainage bag；Negative pressure bottle or negative pressure drainage bag are unidirectional, and bladder secretion can be sucked out.

Preferably, the drainage tube 32 is silica gel material, stimulates less and reduces anaphylactoid generation.

Preferably, the negative pressure drainage bag is disposable negative pressure drainage bag.

The three-way cock of the dedicated feasible vacuum suction of urinary catheter provided by the utility model, not only can connect disposable negative pressure Drainage bag drainage of urine can also connect disposable transfusion device simultaneously and carry out bladder irrigation, or connection syringe leaves and takes middle section Urine and bladder pressure monitoring are full of clot, urine drainage is difficult, frequent occurrence urinary catheter when encountering bladder tumor patients in bladder Blocking is connected negative pressure bottle, clot can be smoothly sucked out by negative pressure using dedicated feasible vacuum suction three-way cock, it is ensured that urine It manages unobstructed；Avoid because bladder irrigation, stay midstream urine, bladder pressure monitoring when frequently puncture destroyed due to urinary catheter end causes leakage of urine it is closed System reduces infection chance, and reduces and damage urethra because urinary blocking frequently replaces urinary catheter, increases patient's pain；Mitigate Workload of the nurse improves nursing quality.

The three-way cock of the dedicated feasible vacuum suction of urinary catheter provided by the utility model, light practical, price material benefit is saved Patients ' expenses reduce patient's infection chance, mitigate nursing work load.

Working principle is: making 32 phase of catheter 31 and drainage tube by the three-way cock of the dedicated feasible vacuum suction of urinary catheter It is logical, 34 are turned on the switch, negative pressure bottle or negative pressure drainage bag is squeezed with hand, the air of the inside is discharged, 34 are turned off the switch, due to atmospheric pressure Power effect, by hydrops in bladder or clot negative suction bottle or negative pressure drainage bag.When negative pressure bottle or negative pressure drainage bag are full of hydrops, Swivel tee cock needs replacing negative pressure bottle or negative pressure drainage bag.When no longer needing negative pressure bottle or negative pressure drainage bag, rotation three Logical cock communicates catheter 31 and syringe or infusion apparatus nipple, and injection of medicine carries out bladder irrigation or injection of medicine or leaves and takes Midstream urine or progress bladder pressure detection etc..The apparatus structure is simple, and operating procedure is simple and convenient, strives for treasured during surgery for patient Expensive life time；The device seals patient's body fluid, reduces the outflow of patient's body fluid, avoids patient or the infected wind of doctor Danger, safety are higher.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a special-purpose three-way cock of feasible negative pressure suction for urinary catheter, is characterized in that, comprises the three-way cock body that is T-shaped;

The three-way cock body includes a valve core and a valve body,

The root of the valve core is provided with a T-shaped steering handle, the T-shaped steering handle is provided with a corrugated anti-skid protrusion, and the upper part of the T-shaped steering handle is provided with a direction indicating protrusion; the end of the valve core is provided with There are mounting parts and mounting nuts on the end of the valve core that match each other with threads. The middle part of the valve core is provided with a T-shaped liquid passage hole, and the orientation of the T-shaped liquid passage hole is consistent with the orientation of the T-shaped steering handle. A limited annular groove is set on the upper side of the middle part;

The upper part of the valve body is provided with a limit block matched with the limit annular groove, the middle part of the valve body is provided with a T-shaped joint that communicates with the T-shaped liquid passage hole, and the T-shaped joint includes a first joint and a second joint. and a third joint; the lower part of the valve body is provided with a locking working surface that matches the size of the mounting nut; the interface at the end of the first joint is provided with a stepped thread; the end of the second joint is provided with a stepped thread; A heparin cap is provided at the interface of the third joint; a plug and a plug are arranged outside the interface of the end of the third joint, the plug is in the shape of a truncated cone, and the plug is arranged at the end of the plug and formed with the plug Tighten the work surface.

2. The three-way stopcock specially used for urinary catheter according to claim 1 is characterized in that, the first joint is connected with the urinary catheter; the second joint is connected with the syringe or the nipple of the infusion set; The third joint is connected with the drainage tube.

3. The three-way cock for urinary catheter according to claim 2, characterized in that, a layer of elastic energy storage ring is arranged inside the drainage tube, and the width of the elastic energy storage ring is just the same as the clamping work. Face depths match.

4. The three-way stopcock specially used for urinary catheter according to claim 3 is characterized in that, the drainage pipe is connected with a negative pressure bottle or a negative pressure drainage bag through a one-way valve; the negative pressure bottle or A switch is arranged on the negative pressure drainage bag.

5 . The three-way cock capable of negative pressure suction for urinary catheters according to claim 4 , wherein the negative pressure drainage bag is a disposable negative pressure drainage bag. 6 .

6 . The three-way stopcock specially designed for urinary catheter and capable of negative pressure suction according to claim 2 , wherein the drainage tube is made of silicone material. 7 .

7 . The three-way cock capable of negative pressure suction for urinary catheters according to claim 1 , wherein a filter screen is arranged in the middle of the second joint. 8 .