CN104415404B - Urinary catheterization unit - Google Patents
Urinary catheterization unit Download PDFInfo
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- CN104415404B CN104415404B CN201410414809.9A CN201410414809A CN104415404B CN 104415404 B CN104415404 B CN 104415404B CN 201410414809 A CN201410414809 A CN 201410414809A CN 104415404 B CN104415404 B CN 104415404B
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- sealing member
- catheter
- auxiliary sealing
- drainage tube
- main body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/69—Drainage containers not being adapted for subjection to vacuum, e.g. bags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/70—Gravity drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/007—Devices for taking samples of body liquids for taking urine samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1066—Tube connectors; Tube couplings having protection means, e.g. sliding sleeve to protect connector itself, shrouds to protect a needle present in the connector, protective housing, isolating sheath
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0496—Urine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2209/00—Ancillary equipment
- A61M2209/06—Packaging for specific medical equipment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
- A61M2210/1085—Bladder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0097—Catheters; Hollow probes characterised by the hub
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Nursing (AREA)
- Epidemiology (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention provides a urinary catheterization unit. The urinary catheterization unit comprises a catheter, a drainage tube and an auxiliary sealing part, wherein a catheter main body is provided with a urine inlet and a urine outlet; one end close to the urine inlet is an inserted end; one end close to the urine outlet is a discharging end; the discharging end of the catheter is communicated with a connecting end of the top of a drainage tube main body; the tail end of the drainage tube main body is communicated with a urine container; the auxiliary sealing part is used for accommodating the discharging end of the catheter and the connecting end of the drainage tube and sealing and isolating the discharging end and the connecting end from the external environment. The auxiliary sealing part can be used for solving the technical problem of pollution of the joint of the catheter and the drainage tube, effectively sealing and isolating the joint from the external environment and also replacing a urine bag conveniently; moreover, the joint is still in a sealed and protected state after the urine bag is replaced again.
Description
Technical field
The present invention relates to a kind of urethral catheterization device, for the urine drainage in human bladder, category medicine equipment manufacturing technology neck
Domain.
Background technology
Urethral catheterization technology is used for the clinical existing long period, the retention of urine in surgical procedure and caused by the various urinary obstructions for the treatment of
Aspect is widely used.Specifically, when clinically carrying out urine drainage nursing to patient, the drainage system for being used is by urethral catheterization
Pipe, drainage tube, urine container are constituted, and be in communication with the outside for bladder inner chamber by the hollow inner chamber of catheter, and intravesical urine is through leading
Urinary catheter and drainage tube are stored in coupled urine container after deriving, so as to form a relatively closed urine derive
And stocking system.At present, catheter and drainage tube be using preceding and be not connected with, and connects the two plug-in type connection or screw-type when using
Connect, the coupling part of the two is exposed to the external environment in connection procedure, be highly prone to microorganism in external environment and cause a disease
The pollution of bacterium, also, the urine test of clinically urethral catheterization patient is more frequent, need to repeatedly open the company of catheter and drainage tube
Collection urine is received, a large amount of clinical literatures show, constantly opening catheter can cause the pollution of junction with the junction of drainage tube,
And further cause human bladder's ascending infection；On the other hand, according to Related Nursing routine, the replacement frequency of urine container is high
In the replacement frequency of catheter, when a new aseptic urine container is connected through drainage tube with contaminated urethral catheterization pipe end,
Related pollution immediately, further aggravates to cause the risk of human bladder's ascending infection.
In order to solve above-mentioned catheter and the contaminated technical problem in drainage tube junction, medicine equipment research staff need badly
Developing one kind can not only be effectively isolated sealing by junction and external environment, can also easily change urine container, and
After changing urine container again, junction will be in the urethral catheterization device of sealing guard mode.
The content of the invention
It is an object of the invention to provide a kind of urethral catheterization device, the urethral catheterization device is not only by catheter and the company of urine container
Place and the effective isolating seal of external environment are connect, the technique effect for stopping microorganism and malignant bacteria is realized, also with convenient
Urine container is changed, and carries out the function of second protection to junction after urine container is changed, it is final for human body provides safety
Urethral catheterization environment.
The present invention provides a kind of urethral catheterization device, including catheter, and the catheter has the catheter of inner hollow tubulose
Main body, the catheter main body is provided with urine inlet and urine outlet, is insertion end near one end of urine inlet, near urine
One end of outlet is outlet side；Drainage tube, the drainage tube includes the drainage tube main body of inner hollow tubulose, the drainage tube main body
Top is connection end, and for being connected with catheter outlet side, end is connected with the container of storage of urine；Also include that auxiliary is close
Sealing, front end and the catheter outlet side outer wall of the auxiliary sealing member are tightly connected, and rear end and the drainage tube of auxiliary sealing member connect
Connect end outer wall to be tightly connected, the part between the front-end and back-end of auxiliary sealing member includes at least one centre closed to external world
Chamber, the intermediate cavity accommodates catheter outlet side and drainage tube connection end, and outlet side and connection end are isolated from the outside sealing.
The auxiliary sealing member shape is not limited, and can be a single quadrangle box or rounded cylindrical, after connection
Catheter outlet side and drainage tube connection end are contained in inside the intermediate cavity of box body formation, and in auxiliary sealing member front end and urethral catheterization
The position of pipe outlet side wall contacts sets seal member, and the front end in order to auxiliary sealing member is close with catheter outlet side outer wall
Envelope connection；Certainly, seal member can also be set in the position of the rear end of auxiliary sealing member and drainage tube connection end wall contacts.
After catheter outlet side and drainage tube connection end connect, auxiliary sealing member is installed or be arranged in junction outside.
Auxiliary sealing member is connected as one with catheter main body, or is connected as one with drainage tube main body.The auxiliary is close
Sealing is wholely set with catheter main body, and auxiliary sealing member is difficult to lose when helping to use；Certainly, catheter is being considered more
Change frequency less than drainage tube replacement frequency when, the auxiliary sealing member can be connected as one with drainage tube main body.Connected mode
Can be made of integral molding, or each fixed connection after machine-shaping.
The auxiliary sealing member includes auxiliary sealing member main body and auxiliary sealing member lid, the auxiliary sealing member main body and auxiliary
Help seal lid to seal against each other formula to fasten.Common shape after the auxiliary sealing member main body and the sealed fastening of auxiliary sealing member lid
Into intermediate cavity, be further realize intermediate cavity to external seal, the auxiliary sealing member main body is provided with body depression, aids in close
Sealing lid is provided with raised with the lid of sealed groove male-female engagement, and the structure design mode of the male-female engagement makes auxiliary seal
Sealing area between part main body and auxiliary sealing member lid is increased, and contributes to intermediate cavity to be isolated from the outside sealing.
Folding component is provided between the auxiliary sealing member main body and auxiliary sealing member lid, the folding component includes switch
Part and force application part, its force application part fasten auxiliary sealing member main body and the sealing of auxiliary sealing member lid；Switch block is used
To control to release the constraint that force application part fastens auxiliary sealing member main body and the sealing of auxiliary sealing member lid.The force application part
Can be the one kind in torsion spring, flexure strip, stage clip, force direction is auxiliary sealing member main body and auxiliary sealing member lid inner side,
To ensure that the two intermediate cavity for being collectively forming is isolated from the outside sealing.The switch block can be pressing handle, by press button
One kind, be mainly used in balancing the power that is sent of force application part, auxiliary sealing member lid is opened from auxiliary sealing member main body.When
So, on the premise of ensureing that auxiliary sealing member main body and the sealing of auxiliary sealing member lid are fastened, the force direction of force application part
Can be auxiliary sealing member main body and auxiliary sealing member lid outside, so be easy to open auxiliary sealing member lid.
It is sealing center section between the auxiliary sealing member front-end and back-end, at least a portion sealing center section is by soft
Softwood matter is made, when applying external force makes catheter outlet side be connected with the sealing of drainage tube connection end, the sealing center section
Deform upon.The cylindrical shape of auxiliary sealing member, front end is coated on catheter outlet side outer wall, and rear end is coated on drainage
On the outer wall of pipe connection end, make the intermediate cavity of auxiliary sealing member isolating seal to external world, and accommodate catheter outlet side and drainage tube
Connection end, when catheter outlet side needs grafting to connect with drainage tube connection end, there is fold deformation in its sealing center section,
Being tightly connected between auxiliary sealing member front end and catheter outlet side, rear end and drainage tube connection end is not influenceed.
When catheter outlet side is connected with the sealing of drainage tube connection end, before catheter outlet side is relative to auxiliary sealing member
Hold and be subjected to displacement to drainage tube connection extreme direction, the front end of auxiliary sealing member is in sealing with catheter outlet side in displacement process
State.In the case of one kind, the cylindrical shape of auxiliary sealing member, front end is coated on catheter outlet side outer wall, catheter
Outlet side can in sealed states to being moved inside auxiliary sealing member, and the front end after movement is close with catheter outlet side outer wall
Envelope state.When catheter outlet side needs grafting to connect with drainage tube connection end, its catheter outlet side is to auxiliary sealing member
Inside is mobile to complete connection, and being tightly connected between auxiliary sealing member rear end and drainage tube connection end is not influenceed.
When catheter outlet side and drainage tube connection end need sealing to connect, drainage tube connection end is relative to auxiliary seal
Part rear end is subjected to displacement to catheter outlet side direction, and the rear end of auxiliary sealing member is in drainage tube connection end in displacement process
Sealing state.In another case, the auxiliary sealing member rear end is coated on the outer wall of drainage tube connection end, drainage tube connection end
Can in sealed states to being moved inside auxiliary sealing member, the rear end after movement is sealing shape with drainage tube connection end outer wall
State.When catheter outlet side needs grafting to connect with drainage tube connection end, its drainage tube connection end to auxiliary sealing member inside
It is mobile to complete connection, being tightly connected for auxiliary sealing member front end and catheter outlet side is not influenceed.
The auxiliary sealing member can be made up of two-layer diaphragm of supersonic thermal setting technique, and the intermediate cavity that heat seal is formed will
Catheter outlet side is accommodated wherein with drainage tube connection end.
Described device also include transition member, its transition member inner surface respectively with catheter outlet side outer wall, drainage tube
Connection end outer wall is tightly connected, and transition member outer surface is tightly connected with auxiliary sealing member front-end and back-end respectively, the auxiliary
Seal is tightly connected with catheter outlet side, drainage tube connection end.The transition member is in two ends to the thick shape of intervening fade
Shape, when auxiliary sealing member is made up of two-layer diaphragm, transition member inner surface connects with catheter outlet side outer wall, drainage tube respectively
Connect end outer wall to be tightly connected, transition member outer surface is connected with diaphragm heat seal, contributes to two-layer diaphragm heat seal intersection location not stay
There is gap, it is ensured that auxiliary sealing member intermediate cavity isolating seal to external world.
The transition member is provided with through hole, and one is provided with through hole can occur elastically-deformable piercing portions.Puncture portion
Divide and be made up of elastomeric material, when urine sample gathering needle-penetration piercing portions, into inside catheter outlet side or drainage tube connection end
When collection urine sample is completed, urine sample gathering pin is pulled out, piercing portions occur elastic recovery and block urine sample gathering pin pin hole, on the one hand
Prevent urine from leaking outside, on the other hand prevent microorganism and malignant bacteria in air from entering inside catheter.
For further constraint piercing portions occur elastic recovery, the piercing portions are provided with constraint portions, the constriction
Divide the conformal outside for being sheathed on piercing portions.Constraint portions are made up of hard material, are arranged on around piercing portions, to puncture portion
The centre position force divided, auxiliary piercing portions faster block urine sample gathering pin pin hole.
Beneficial effect：
The intermediate cavity of auxiliary sealing member of the present invention accommodates catheter outlet side and drainage tube connection end, and by outlet side and company
Connect end to be isolated from the outside sealing, create closed urine drainage environment.First use catheter and drainage tube when, catheter and
Drainage tube can pre-connection be integral and sterilization treatment, and when catheter and drainage tube is connected, whole attended operation is aseptic
Under the conditions of complete, greatly reduce infection risk；When the container of drainage tube and storage of urine needs to change, the auxiliary
Seal is additionally provided with folding component, opens to catheter outlet side and the isolating seal of drainage tube connection end, change drainage tube and
After the container of storage of urine, auxiliary sealing member second to catheter outlet side and drainage tube connection end isolating seal, second
Sealing can effectively prevent extraneous dust, microorganism etc. from falling into the junction of outlet side and connection end, and infection risk is reduced again.
The present invention is additionally provided with piercing portions, and existing urine sampling method is turned off catheter outlet side and drainage tube connection end
Connection, urine specimen is drained directly into collection urine cup, not only operate inconvenience, and easily enter extraneous malignant bacteria and lead
Inside urinary catheter, trigger the ascending infection of human urethra, certain urine specimen can similarly be contaminated, influence assay.
The setting of piercing portions effectively solves above mentioned problem, and puncture portion is pierced into using the urine sample gathering pin syringe needle of vacuum collector tube
Point, and after entering catheter inside collection urine specimen, pull out the urine sample gathering pin syringe needle of vacuum collector tube, piercing portions are utilized
The elastic deformation of itself recovers sealing state, solves the inconvenience of collection urine specimen and the risk for easily infecting.
Brief description of the drawings
Fig. 1：It is urethral catheterization device first embodiment dimensional structure diagram of the present invention；
Fig. 2：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 1 of the present invention；
Fig. 3：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 2 of the present invention；
Fig. 4：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 3 of the present invention；
Fig. 5：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 4 of the present invention；
Fig. 6：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 5 of the present invention；
Fig. 7：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 6 of the present invention；
Fig. 8：It is urethral catheterization device first embodiment sectional perspective structural representation Fig. 7 of the present invention；
Fig. 9：For part A partial enlargement shows in urethral catheterization device first embodiment sectional perspective structural representation Fig. 7 of the present invention
It is intended to；
Figure 10：It is urethral catheterization device first embodiment auxiliary sealing member cutting structural representation Fig. 1 of the present invention；
Figure 11：It is urethral catheterization device first embodiment auxiliary sealing member cutting structural representation Fig. 2 of the present invention；
Figure 12：It is urethral catheterization device second embodiment dimensional structure diagram of the present invention；
Figure 13：It is part B close-up schematic view in urethral catheterization device second embodiment dimensional structure diagram of the present invention；
Figure 14：It is urethral catheterization device second embodiment auxiliary sealing member cutting structural representation Fig. 1 of the present invention；
Figure 15：It is urethral catheterization device second embodiment auxiliary sealing member cutting structural representation Fig. 2 of the present invention；
Figure 16：It is urethral catheterization device second embodiment auxiliary sealing member cutting structural representation Fig. 3 of the present invention；
Figure 17：It is the implementation method dimensional structure diagram of urethral catheterization device of the present invention 3rd；
Figure 18：It is urethral catheterization device transition member cutting structural representation of the present invention；
In figure：1. catheter；11. catheter main bodys；111. urine inlets；112. urine outlets；12. insertion ends；13. rows
Go out end；14. sacculus fill part；2. drainage tube；21. drainage tube main bodys；22. connection ends；221. collection urine entrances；23. store urines
The container of liquid；3. auxiliary sealing member；31. front ends；32. rear ends；33. auxiliary sealing member main bodys；331. body depressions；34. auxiliary
Seal lid；341. lids are raised；35. folding components；351. switch blocks；351a. main body switch parts；351b. lids
Switch block；352. force application parts；353. coupling parts；354. buckles；355. snap-fittings；36. sealing center sections；37.
Intermediate cavity；38. holes；4. transition member；41. transition member inner surfaces；42. transition member outer surfaces；43. through holes；5. puncture portion
Point；6. constraint portions；7. seal member；71. grooves；8. diaphragm；
Specific embodiment
Embodiment 1：
As shown in Figure 1,3, a kind of urethral catheterization device, including catheter 1, the catheter 1 is by natural rubber, silicon rubber or poly-
One kind in vinyl chloride is made using injection molding machine injection moulding process, overall more soft, with preferable biocompatibility, is led
Urinary catheter 1 has the catheter main body 11 of inner hollow tubulose, and the catheter main body 11 is provided with urine inlet 111 and urine outlet
112, it is insertion end 12 near one end of urine inlet 111, insertion end 12 is provided with the sacculus for fixing catheter 1, sacculus
Realize filling using the full part 14 of the sacculus set in catheter main body 11, be outlet side near one end of urine outlet 112
13；Urethral catheterization device also includes drainage tube 2, and the drainage tube 2 is made up of pvc material using expressing technique, and drainage tube 2 is same
Sample has the drainage tube main body 21 of inner hollow tubulose, and the top of drainage tube main body 21 is connection end 22, is set near connection end 22
There is collection urine entrance 221, connection end 22 is used to be connected with the outlet side 13 of catheter 1, the end of drainage tube main body 21 and storage of urine
Container 23 be connected, the container 23 of the storage of urine can be urine collection bag.When the outlet side 13 of catheter 1 and drainage tube 2 connect
Connect end 22 to be connected, urine outlet 112 is connected with collection urine entrance 221, catheter 1, the container 23 of drainage tube 2, storage of urine
Urine drainage path is integrally formed, human urine is entered the inside of catheter main body 11 by 1 urine inlet of catheter 111, through urine
Liquid outlet 112, collection urine entrance 221 enter inside drainage tube 2, eventually enter into the container 23 of storage of urine.
To protect the outlet side 13 of catheter 1 with the junction of 2 connection end of drainage tube 22 not by extraneous malignant bacteria and microorganism
Pollution, the urethral catheterization device also include auxiliary sealing member 3, as shown in figure 3, the auxiliary sealing member 3 is a single rectangle
Box body, is divided into auxiliary sealing member main body 33 and the two parts of auxiliary sealing member lid 34, and two parts fasten sealing and form a centre
Chamber 37, the auxiliary sealing member main body 33 and auxiliary sealing member lid 34 can be that plastic material injection is made, to ensure to detain
Sealing after conjunction, the edge fastened in auxiliary sealing member main body 33 and auxiliary sealing member lid 34 can set sealing gasket.Should
The front end 31 of auxiliary sealing member 3 can be tightly connected with the outer wall of 1 outlet side of catheter 13, specifically, be set in the front end 31 of auxiliary sealing member 3
There is a hole 38 conformal with catheter 1 outlet side, 13 outer walls, the hole 38 is opened in auxiliary sealing member main body 33 and auxiliary is close
On the front end 31 of auxiliary sealing member 3 of the composition of sealing lid 34, auxiliary sealing member main body is fastened on by auxiliary sealing member lid 34
Complete hole 38 is formed on 33, i.e.,：Auxiliary sealing member main body 33 and auxiliary sealing member lid 34 are respectively provided with the part in hole 38.When
The outlet side 13 of catheter 1 is placed in when in the hole 38 of the front end 31 of auxiliary sealing member 3, closes auxiliary sealing member lid 34, catheter 1
The outer wall of outlet side 13 is connected with the inner wall sealing of hole 38 of the front end 31 of auxiliary sealing member 3, and intermediate cavity 37 holds the outlet side 13 of catheter 1
Receive wherein.It is tightly connected with the outer wall of 1 outlet side of catheter 13 to strengthen the front end 31 of auxiliary sealing member 3, in the outlet side 13 of catheter 1
The seal member 7 of annular is arranged with outer wall, the seal member 7 is made using sealing of quality of rubber materials, the interposition of seal member 7
Fluted 71 are installed, groove 71 can be tightly connected with the conformal performance of hole 38 of the front end 31 of auxiliary sealing member 3, the inwall of seal member 7
It is tightly connected with the outer wall of 1 outlet side of catheter 13, before the seal member 7 contributes to the outlet side 13 of catheter 1 and auxiliary sealing member 3
The hole 38 at end 31 is tightly connected.
As shown in figure 3, the rear end 32 of auxiliary sealing member 3 can be tightly connected with the outer wall of 2 connection end of drainage tube 22, auxiliary seal
The rear end 32 of part 3 also is provided with hole 38, can be tightly connected with the outer wall of 2 connection end of drainage tube 22, certainly, in order to ensure sealing effectiveness,
The seal member 7 of annular can be equally arranged with the outer wall of 2 connection end of drainage tube 22.
The outlet side 13 of catheter 1 is tightly connected process with the connection end 22 of drainage tube 2：As shown in figure 4, hand-held catheter 1 and
The seal member 7 being arranged on the outer wall of 1 outlet side of catheter 13 is jointly mobile, is fixed installed in the front end 31 of auxiliary sealing member 3
Hole 38 at, be specifically fixedly mounted inside half hole of the front end 31 of auxiliary sealing member main body 33；As shown in figure 5, then will
The connection end 22 of drainage tube 2 and the grafting of 1 outlet side of catheter 13 are simultaneously connected together, now, urine outlet 112 and collection urine entrance
221 are connected, and catheter 1, the container 23 of drainage tube 2, storage of urine form closed urine drainage path, and drainage tube 2 is connected
Connect the seal member 7 being arranged on 22 outer walls of end to be fixedly mounted at the hole 38 of the rear end 32 of auxiliary sealing member 3, specifically fixedly mount
Inside half hole of the rear end 32 of auxiliary sealing member main body 33；As shown in fig. 7, fastening auxiliary sealing member lid 34, it is ensured that auxiliary
Sealing state between seal body 33 and auxiliary sealing member lid 34.To ensure sealing state, can be in auxiliary sealing member
Sealing gasket is set between main body 33 and auxiliary sealing member lid 34 and strengthens sealing.As shown in figure 9, to ensure sealing state, also may be used
To set body depression 331 in auxiliary sealing member main body 33, auxiliary sealing member lid 34 is provided with match somebody with somebody concavo-convex with sealed groove
The lid projection 341 of conjunction, the structure design mode of the male-female engagement makes auxiliary sealing member main body 33 and auxiliary sealing member lid 34
Between sealing area increase, contribute to the sealing that is isolated from the outside.
As shown in Fig. 2 auxiliary sealing member 3 is connected as one with catheter main body 11, i.e.,：Auxiliary sealing member 3 and catheter
Shaping is made main body 11 jointly, or is tightly connected the two by the way of medical bonding after being injected separately being made and is integrated,
Can so omit and excessive seal member 7 is set.Certainly, the auxiliary sealing member 3 can also be connected with drainage tube main body 21
It is integrated.
As shown in fig. 6, for convenience of folding auxiliary sealing member main body 33 and auxiliary sealing member lid 34, the auxiliary sealing member
Folding component 35 is provided between main body 33 and auxiliary sealing member lid 34, the folding component 35 includes switch block 351 and force
Part 352.It is flexibly connected by axle between the auxiliary sealing member main body 33 and auxiliary sealing member lid 34, force application part 352
Specifically one or more passes through the torsion spring of axle, and the direction of having an effect of torsion spring is auxiliary sealing member main body 33 and auxiliary sealing member lid
34 inner sides, to ensure that the two intermediate cavity 37 for being collectively forming is isolated from the outside sealing；The switch block 351 is to be separately positioned on
Main body switch part 351a, lid switch block 351b in auxiliary sealing member main body 33 and auxiliary sealing member lid 34, use hand
Direction pressing main body switch part 351a, lid switch block 351b in the middle of pointing to, the power that counterbalancing torsion springs are sent can be from auxiliary
Help and auxiliary sealing member lid 34 is opened in seal body 33.
Health care workers and reduce infection risk for convenience, urethral catheterization device is for the first time when using, can be catheter 1 with
The integrated product of the overall sterilization treatment after being tightly connected of drainage tube 2 is, it is necessary to change the container 23 of drainage tube 2 and storage of urine
When, then auxiliary sealing member lid 34 is opened from auxiliary sealing member main body 33, after completing to change, unclamp to main body switch part
The pressing of 351a, lid switch block 351b, the power sent using torsion spring, auxiliary sealing member main body 33 and auxiliary sealing member lid
34 isolating seals to external world again, form the protection to catheter 1 and the junction of drainage tube 2.
Embodiment 2：
As shown in Figure 8,9, auxiliary sealing member main body 33 is provided with snap-fitting 355, and it is convex that the snap-fitting 355 is square
Shape is played, auxiliary sealing member lid 34 is provided with buckle 354, buckle 354 and is provided with and the square protruding phase of above-mentioned snap-fitting 355
The quadra of cooperation, the quadra can be sheathed on outside square protruding, so that auxiliary sealing member main body 33 and auxiliary are close
Sealing lid 34 is in close contact.By bent connection between the auxiliary sealing member main body 33 and auxiliary sealing member lid 34
Part 353 is connected as a single entity, and when auxiliary sealing member main body 33 and auxiliary sealing member lid 34 need sealing to fasten, bends downwards auxiliary
Seal lid 34 is helped, until auxiliary sealing member lid 34 is contacted with auxiliary sealing member main body 33, recycles buckle 354 to be fixed on
Power in snap-fitting 355, realizes being tightly connected for auxiliary sealing member main body 33 and auxiliary sealing member lid 34.Further to protect
Card sealing effectiveness, is provided with body depression 331 in auxiliary sealing member main body 33, and it is raised that auxiliary sealing member lid 34 is provided with lid
341, the body depression 331 cooperates with lid raised 341, and the structure design mode of the male-female engagement makes auxiliary sealing member
Sealing area between main body 33 and auxiliary sealing member lid 34 is increased, and contributes to the sealing that is isolated from the outside.
Embodiment 3：
As shown in Figure 10,11, coupling part 353 is specifically a kind of bent connector, and one end is fixed on auxiliary seal
In part main body 33, the other end is fixed on auxiliary sealing member lid 34, and force application part 352 is specifically a kind of spring leaf, the spring
Piece is in case of bending, and one end that one end is fixed on auxiliary sealing member main body 33 with connector is connected, and the other end is fixed with connector
One end connection on auxiliary sealing member lid 34.The spring leaf of force application part 352 can be to auxiliary sealing member main body 33 and auxiliary
The inner side of seal lid 34 is helped to have an effect, in sealing shape when fastening auxiliary sealing member main body 33 and auxiliary sealing member lid 34
State, when needing to open auxiliary sealing member main body 33 and auxiliary sealing member lid 34, after bending spring leaf to certain angle, auxiliary
Seal body 33 and auxiliary sealing member lid 34 are in opened condition.Above-mentioned opening procedure separates auxiliary sealing member main body with finger
33 and auxiliary sealing member lid 34, switch block 351 is arranged on auxiliary sealing member main body 33 and auxiliary sealing member lid 34
On.Embodiment 4：
As shown in figure 12, a kind of urethral catheterization device, including catheter 1, the catheter 1 utilizes injection machine by silastic material
Injection moulding process is made, overall more soft, and with preferable biocompatibility, catheter 1 has inner hollow tubulose
Catheter main body 11, the catheter main body 11 is provided with urine inlet 111 and urine outlet 112, near urine inlet 111
One end is insertion end 12, and insertion end 12 is provided with the sacculus for fixing catheter 1, and sacculus is set using in catheter main body 11
The full part 14 of sacculus realize full, be outlet side 13 near one end of urine outlet 112；Urethral catheterization device also includes drainage tube
2, the drainage tube 2 is made up of pvc material using expressing technique, the equally drainage with inner hollow tubulose of drainage tube 2
Pipe main body 21, the top of drainage tube main body 21 is connection end 22, and collection urine entrance 221 is provided near connection end 22, and connection end 22 is used
It is connected in the outlet side 13 of catheter 1, the end of drainage tube main body 21 is connected with the container 23 of storage of urine, the store urine
The container 23 of liquid can be urine collection bag.When the outlet side 13 of catheter 1 is connected with the connection end 22 of drainage tube 2, urine outlet 112 with
Collection urine entrance 221 is connected, and catheter 1, the container 23 of drainage tube 2, storage of urine form closed urine drainage path, human body
Urine is entered the inside of catheter main body 11 by 1 urine inlet of catheter 111, is entered through urine outlet 112, collection urine entrance 221
Inside drainage tube 2, the container 23 of storage of urine is eventually entered into.
To protect the outlet side 13 of catheter 1 with the junction of 2 connection end of drainage tube 22 not by extraneous malignant bacteria and microorganism
Pollution, the urethral catheterization device includes well auxiliary sealing member 3, as shown in Figure 13,14, the cylindrical shape of auxiliary sealing member 3, by can
The elastically-deformable silica gel material of generation is made using sulfuration process, the front end 31 of auxiliary sealing member 3 and the outer wall of 1 outlet side of catheter 13
Packaging type is closely connected, and the rear end 32 of auxiliary sealing member 3 is closely connected with the outer wall packaging type of 2 connection end of drainage tube 22, auxiliary seal
It is sealing center section 36 between the front end 31 of part 3 and rear end 32, the inner hollow of the sealing center section 36 forms intermediate cavity 37,
Intermediate cavity 37 accommodates the outlet side 13 of catheter 1 and the connection end 22 of drainage tube 2, and outlet side 13 and connection end 22 are isolated from the outside
Sealing.
The outlet side 13 of catheter 1 is tightly connected process with the connection end 22 of drainage tube 2：As shown in figure 16, a hand-held catheter 1
Outlet side 13, the connection end 22 of another hand-held drainage tube 2, the two relative direction grafting connection makes urine outlet 112 with collection urine entrance
221 are connected, and now, the sealing center section 36 of above-mentioned auxiliary sealing member 3 occurs the deformation of shredded form, but auxiliary sealing member
3 front ends 31 still closely connect with the outer wall of 1 outlet side of catheter 13, the rear end 32 of auxiliary sealing member 3 and the outer wall of 2 connection end of drainage tube 22
Connect, keep the intermediate cavity 37 that is internally formed of sealing center section 36 to be isolated from the outside sealing, so as to protect the outlet side 13 of catheter 1
Do not polluted by extraneous malignant bacteria and microorganism with the junction of 2 connection end of drainage tube 22.
For convenience health care workers and reduce infection risk, the outlet side 13 of catheter 1 and the drainage tube 2 of urethral catheterization device connect
Connect end 22 to be contained in jointly inside the intermediate cavity 37 of auxiliary sealing member 3, overall sterilization treatment, and can be with pre-connection, i.e.,：Catheter
1 outlet side 13 enters a part, but non-grafting closely to sealing state with the grafting of 2 connection ends 22 of drainage tube, is inserted when using
Connect closely.When needing the container 23 of replacing drainage tube 2 and storage of urine, drainage tube 2 and storage are pulled out from auxiliary sealing member 3
The container 23 of urine is deposited, the connection end 22 of drainage tube 2 after replacing is tightly connected with the outlet side 13 of catheter 1.
As shown in figure 15, when the sealing center section 36 of auxiliary sealing member 3 be not can the flexible material of deformation be made when, can
It is made with from hard plastics, it is external close after being connected with the connection end 22 of drainage tube 2 for the guarantee outlet side 13 of catheter 1
Envelope.The first situation, the inwall of 3 rear end of auxiliary sealing member 32 can form close with the outer wall of 2 connection end of drainage tube 22 under mobile condition
Envelope, is realized from the technique such as interference fit or surface specially treated.When the outlet side 13 of catheter 1 and 2 connection end of drainage tube 22 need
When sealing connection, the connection end 22 of drainage tube 2 occurs relative to the rear end 32 of auxiliary sealing member 3 to the direction of 1 outlet side of catheter 13
Displacement, until the two is tightly connected, urine outlet 112 is connected with collection urine entrance 221, auxiliary sealing member 3 in the displacement process
The inwall of rear end 32 and the outer wall of 2 connection end of drainage tube 22 be in state in sealing contact.Second situation, the front end of auxiliary sealing member 3
31 inwalls can form sealing with the outer wall of 1 outlet side of catheter 13 under mobile condition, when the outlet side 13 of catheter 1 is relative to auxiliary
When the front end 31 of seal 3 is subjected to displacement to the direction of 2 connection end of drainage tube 22, in displacement process in the front end 31 of auxiliary sealing member 3
Wall is in state in sealing contact with the outer wall of 1 outlet side of catheter 13.Certainly, the outlet side 13 of catheter 1 and the connection end 22 of drainage tube 2
Relative displacement can also occur, the inwall of rear end 32 and the outer wall of 2 connection end of drainage tube 22 for now needing auxiliary sealing member 3 are in close
Envelope contact condition, the inwall of front end 31 and the outer wall of 1 outlet side of catheter 13 of auxiliary sealing member 3 are in state in sealing contact.
Embodiment 5：
As shown in figure 17, auxiliary sealing member 3 is made up of two panels diaphragm 8, specifically, by the outlet side 13 of catheter 1 and draws
The connection end 22 of flow tube 2 is sealed in inside the intermediate cavity 37 of auxiliary sealing member 3 that diaphragm 8 is made, and can be utilized using polyvinyl chloride membrane material
Supersonic thermal setting technique is made.Certainly, auxiliary sealing member 3 can also be made from polyethylene or polypropylene membrane material, be preferably combined
Membrane material.Because the outlet side 13 of catheter 1 and the connection end 22 of drainage tube 2 belong to the heat of round tube shape, diaphragm 8 and pipe connection
There is gap in credit union, the intermediate cavity 37 of auxiliary sealing member 3, so urethral catheterization device also includes transition member 4, cannot be somebody's turn to do to external seal
Transition member 4 be in ship shape, it is gradually thinning from centre to two ends, its transition member inner surface 41 respectively with the outlet side 13 of catheter 1
Outer wall, the outer wall of 2 connection end of drainage tube 22 are tightly connected, transition member outer surface 42 respectively with the film of the front end 31 of auxiliary sealing member 3
The diaphragm 8 of piece 8 and rear end 32 is tightly connected, so that the intermediate cavity 37 of auxiliary sealing member 3 accommodates the outlet side 13 of catheter 1, draws
The connection end 22 of flow tube 2, and make its external isolating seal.
As shown in figure 18, transition member 4 is provided with through hole 43, and being provided with one in through hole 43 can occur elastically-deformable puncture
Part 5, piercing portions 5 are made up of elastomeric material, when urine sample gathering needle-penetration piercing portions 5, into the outlet side 13 of catheter 1 or
When collection urine sample in the inside of 2 connection end of drainage tube 22 is completed, urine sample gathering pin is pulled out, piercing portions 5 occur elastic recovery and block
Urine sample gathering pin pin hole, on the one hand prevents urine from leaking outside, and on the other hand prevents the microorganism in air and malignant bacteria from entering and leads
Inside urinary catheter 1.For further constraint piercing portions 5 occur elastic recovery, the piercing portions 5 are provided with constraint portions 6, and this is about
Beam part 6 is made up of the injection of rigid plastics material, conformal to be sheathed on around piercing portions 5, is applied to the centre position of piercing portions 5
Power, auxiliary piercing portions 5 faster block urine sample gathering pin pin hole.Certainly, the through hole 43 and piercing portions 5 can also be arranged on
On the connection end 22 of drainage tube 2.
Health care workers are using the device for convenience and reduce urinary system infection contamination risk, the catheter 1 of urethral catheterization device
Outlet side 13 is contained in inside the intermediate cavity 37 of auxiliary sealing member 3 jointly with the connection end 22 of drainage tube 2, overall sterilization treatment, and
Can be with pre-connection, i.e.,：The outlet side 13 of catheter 1 enters a part with the grafting of 2 connection ends 22 of drainage tube, but non-grafting is tight
To sealing state, grafting is tight when using, and the diaphragm 8 for forming auxiliary sealing member 3 is easily deformed upon, both can be fine
Protect the outlet side 13 of catheter 1 with the connection end 22 of drainage tube 2 not by outside contamination, facility simple to operate is made again.
Claims (4)
1. a kind of urethral catheterization device, including：
Catheter, the catheter（1）Catheter main body with inner hollow tubulose（11）, the catheter main body（11）On set
There is urine inlet（111）And urine outlet（112）, near urine inlet（111）One end be insertion end（12）, go out near urine
Mouthful（112）One end be outlet side（13）；
Drainage tube, the drainage tube（2）Drainage tube main body including inner hollow tubulose（21）, the drainage tube main body（21）Top
It is connection end（22）, for catheter（1）Outlet side（13）It is connected, the container of end and storage of urine（23）It is connected；
Characterized in that,
Also include auxiliary sealing member（3）, the auxiliary sealing member（3）Front end（31）With catheter（1）Outlet side（13）Outer wall is close
Envelope connection, auxiliary sealing member（3）Rear end（32）With drainage tube（2）Connection end（22）Outer wall is tightly connected, auxiliary sealing member（3）
Front end（31）And rear end（32）Between part include at least one intermediate cavity closed to external world（37）, the intermediate cavity（37）
Accommodate catheter（1）Outlet side（13）And drainage tube（2）Connection end（22）, and by outlet side（13）And connection end（22）With the external world
Isolating seal, the auxiliary sealing member（3）Including auxiliary sealing member main body（33）With auxiliary sealing member lid（34）, the auxiliary
Seal body（33）With auxiliary sealing member lid（34）Seal against each other formula fastening, the auxiliary sealing member main body（33）With it is auxiliary
Help seal lid（34）Between be provided with folding component（35）, the folding component（35）Including switch block（351）And force section
Part（352）, its force application part（352）Make auxiliary sealing member main body（33）With auxiliary sealing member lid（34）Sealing is fastened；Switch
Part（351）For controlling to release force application part（352）To auxiliary sealing member main body（33）With auxiliary sealing member lid（34）It is close
The constraint that closure is closed.
2. urethral catheterization device according to claim 1, it is characterised in that the auxiliary sealing member（3）With catheter main body
（11）Connect as one, or with drainage tube main body（21）Connect as one.
3. urethral catheterization device according to claim 1, it is characterised in that work as catheter（1）Outlet side（13）With drainage tube（2）
Connection end（22）During sealing connection, catheter（1）Outlet side（13）Relative to auxiliary sealing member（3）Front end（31）To drainage tube
（2）Connection end（22）Direction is subjected to displacement, auxiliary sealing member in displacement process（3）Front end（31）With catheter（1）Outlet side
（13）In sealing state.
4. urethral catheterization device according to claim 1, it is characterised in that work as catheter（1）Outlet side（13）With drainage tube（2）
Connection end（22）When needing sealing connection, drainage tube（2）Connection end（22）Relative to auxiliary sealing member（3）Rear end（32）To urethral catheterization
Pipe（1）Outlet side（13）Direction is subjected to displacement, auxiliary sealing member in displacement process（3）Rear end（32）With drainage tube（2）Connection
End（22）In sealing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414809.9A CN104415404B (en) | 2013-08-23 | 2014-08-22 | Urinary catheterization unit |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103712018 | 2013-08-23 | ||
| CN201310371201 | 2013-08-23 | ||
| CN201410414809.9A CN104415404B (en) | 2013-08-23 | 2014-08-22 | Urinary catheterization unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104415404A CN104415404A (en) | 2015-03-18 |
| CN104415404B true CN104415404B (en) | 2017-05-24 |
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ID=52234580
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420474745.7U Withdrawn - After Issue CN204033865U (en) | 2013-08-23 | 2014-08-22 | A kind of o urethral catheterization device |
| CN201410414809.9A Active CN104415404B (en) | 2013-08-23 | 2014-08-22 | Urinary catheterization unit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420474745.7U Withdrawn - After Issue CN204033865U (en) | 2013-08-23 | 2014-08-22 | A kind of o urethral catheterization device |
Country Status (1)
| Country | Link |
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| CN (2) | CN204033865U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204033865U (en) * | 2013-08-23 | 2014-12-24 | 北京万生人和科技有限公司 | A kind of o urethral catheterization device |
| CN106139264B (en) * | 2015-04-24 | 2018-06-19 | 北京万生人和科技有限公司 | The liquid-collection bag of a kind of liquid drain control system and its connection pressure monitoring control unit, pressure monitoring control unit |
| CN105013064A (en) * | 2015-08-26 | 2015-11-04 | 中国人民解放军第二军医大学 | Improved external ventricular drainage tube |
| CN106730068B (en) * | 2017-02-14 | 2020-08-14 | 刘解语 | Medical care-free drainage device |
| CN106994192B (en) * | 2017-05-17 | 2020-05-22 | 威海吉威重症医疗制品有限公司 | Flow stopping type catheter |
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| US5725515A (en) * | 1994-11-01 | 1998-03-10 | Tri-State Hospital Supply Corporation | Urine sampling and bladder drainage system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104415404A (en) | 2015-03-18 |
| CN204033865U (en) | 2014-12-24 |
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Address after: 101113 Beijing city Tongzhou District Guangyuan Street No. 8 Building 4 Applicant after: BEIJING WANSHENG RENHE TECHNOLOGY CO., LTD. Address before: 102629, Daxing District Zhongguancun science and Technology Park, Daxing pharmaceutical industry base, Tianhe West Road, room 119, room 19, Beijing Applicant before: BEIJING WANSHENG RENHE TECHNOLOGY CO., LTD. |
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