CN208552822U - A kind of Improvement type three-cavity catheter - Google Patents
A kind of Improvement type three-cavity catheter Download PDFInfo
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- CN208552822U CN208552822U CN201721227635.0U CN201721227635U CN208552822U CN 208552822 U CN208552822 U CN 208552822U CN 201721227635 U CN201721227635 U CN 201721227635U CN 208552822 U CN208552822 U CN 208552822U
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- spring
- rubber pad
- backed quill
- connection
- needle
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Abstract
The utility model discloses a kind of Improvement type three-cavity catheters, including tube body, irrigation channel is provided in tube body, drainage channel and waterflood path, pass through the drainage bag outside a transit joint connection at flush-through connection, transit joint includes shell, enclosure interior back segment is equipped with a cavity, the hollow needle extended along the longitudinal direction is fixed in shell, the syringe needle rear end of hollow needle is provided with aperture, a spring-backed quill is set with outside the syringe needle of hollow needle, spring-backed quill lower end is fixedly connected on the front end of cavity, the rear end of spring-backed quill also passes through a connection ring and is connected with a rubber pad, rubber pad center is provided with gap, under natural conditions, the syringe needle of hollow needle is sealed in inside spring-backed quill and connection ring, when rubber pad is pressurized, spring-backed quill meeting forward compression, so that the syringe needle of hollow needle opens the gap of rubber pad, to make sky The aperture of the syringe needle rear end of heart needle is located at except rubber pad.The utility model advantage: it is able to achieve the automatic plugging of flush-through connection.
Description
Technical field
The utility model relates to a kind of medical instrument more particularly to a kind of Improvement type three-cavity catheters.
Background technique
Hyperplasia of prostate row TURP is postoperative, tumor of bladder row TURBT is postoperative, enucleation of the prostate is postoperative and urinary bleeding
Deng clinically conventional indwelling three-cavity catheter, connects bladder by three-cavity catheter and is rinsed.Three-cavity catheter includes pipe
Body, is provided with these three independent channels of irrigation channel, drainage channel and waterflood path in tube body, irrigation channel, drainage channel and
Waterflood path front end is protruded into patient's bladder, and irrigation channel, drainage channel and waterflood path rear end have each extended over one-to-one correspondence
Flush-through connection, flow sub and water filling connector, drainage bag is connected outside flush-through connection, urinary bag is connected outside flow sub.Bladder
Flushing is to be filled into solution in bladder by irrigation channel by three-cavity catheter, recycles siphon principle by the liquid of perfusion
The method come is drained from drainage channel.By a large amount of isotonic solution continual rinsings, the unobstructed of drainage is kept, to reach cleaning wing
Guang stops blooding, prevents the purpose that clot is formed in bladder.The bladder irrigation time regards kinds of Diseases and change of illness state normal developing 3-7
Day, flush-through connection is blocked after flushing, retains drainage channel.Clinically used three-cavity catheter, which lacks, blocks flush-through connection
Plugging cap is plugging, and nursing staff is usually to remove the attachment cap in disposable drainage bag, after alcohol soaking sterilization, is used
In plugging.This method increase the workload of nursing staff and cause waste of material (after attachment cap is removed in disposable drainage bag,
The drainage bag is discarded, cannot reuse).
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of Improvement type three-cavity catheter,.
The utility model is achieved through the following technical solutions:
A kind of Improvement type three-cavity catheter, including tube body are provided with independent three channels in the tube body, and described three logical
Road is respectively irrigation channel, drainage channel and waterflood path, and the irrigation channel, drainage channel and waterflood path rear end are prolonged respectively
Stretching has one-to-one flush-through connection, flow sub and water filling connector, passes through a transit joint connection at the flush-through connection
External drainage bag, the transit joint include a shell, and the housing forward end and rear end are respectively equipped with preceding interconnecting piece with after
Interconnecting piece, the transit joint are detachably connected by preceding interconnecting piece with flush-through connection, and the transit joint passes through rear interconnecting piece
It is detachably connected with external drainage bag, the enclosure interior back segment is equipped with a cavity, is fixed with one in the shell
The syringe needle of the hollow needle extended along the longitudinal direction, the hollow needle rear end extands rearward in cavity, the syringe needle of the hollow needle
Rear end is provided with aperture, is set with a spring-backed quill outside the syringe needle of the hollow needle, the spring-backed quill lower end is fixedly connected
In the front end of cavity, the rear perpheral of the spring-backed quill is equipped with a circle stop collar, and the spring-backed quill passes through stop collar and shell
The annular stop step of body rear end, which matches, to be limited, and the rear end of the spring-backed quill also passes through a connection ring and is connected with one
A rubber pad, the rubber pad center are provided with gap, and under natural conditions, the syringe needle of the hollow needle is sealed in the spring-backed quill
Inside connection ring, when the rubber pad is pressurized, the spring-backed quill meeting forward compression, so that the syringe needle top of the hollow needle
The gap of the rubber pad is opened, so that the aperture of the syringe needle rear end of hollow needle be made to be located at except rubber pad.
Further, it is connected through a screw thread between the preceding interconnecting piece and flush-through connection of the transit joint.
Further, it is connected through a screw thread between the rear interconnecting piece of the transit joint and the drainage bag of outside.
Further, the spring-backed quill, connection ring and rubber pad are integrally formed.
Further, tube body front outer wall is equipped with a sacculus, and the waterflood path front end is connected with sacculus.
The utility model has the advantage that compared with prior art
A mistake is arranged in a kind of Improvement type three-cavity catheter provided by the utility model at the flush-through connection of catheter
Connector is crossed, which matches due to being provided with spring-backed quill, rubber pad with hollow needle, when needing washed bladder, directly
Connect the external drainage bag of the connection on transit joint is made by the outlet connection compressing rubber pad and spring-backed quill of external drainage bag
The syringe needle of hollow needle opens the gap of rubber pad automatically, thus make the aperture of the syringe needle rear end of hollow needle be located at rubber pad it
Outside, so that being connected to inside hollow needle with drainage bag, to be rinsed；When flushing finishes, external drainage bag, rubber need to be only removed
Rubber mat and spring-backed quill can automatic rebounding to initial position, hollow needle is enclosed in inside spring-backed quill and connection ring, is realized
Automatic plugging, structure is simple, simple to operate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the transit joint of the utility model in its natural state.
Fig. 3 is the structural schematic diagram of the transit joint of the utility model under compression.
Figure label: 1 tube body, 2 irrigation channels, 3 drainage channels, 4 waterflood paths, 5 sacculus, 6 flush-through connections, 7 drainages connect
Head, 8 water filling connectors, 9 transit joints, 10 shells, interconnecting piece before 11, interconnecting piece after 12,13 cavitys, 14 hollow needles, 15 apertures, 16
Spring-backed quill, 17 stop collars, 18 annular stop steps, 19 connection rings, 20 rubber pads, 21 gaps, 22 outlet connections.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Referring to Fig. 1 to Fig. 3, present embodiment discloses a kind of Improvement type three-cavity catheter, including tube body 1, outside 1 front of tube body
Wall is equipped with a sacculus 5, is provided with independent three channels in tube body 1, three channels are respectively irrigation channel 2,3 and of drainage channel
Waterflood path 4,4 front end of waterflood path are connected with sacculus 5.Irrigation channel 2, drainage channel 3 and 4 rear end of waterflood path are prolonged respectively
Stretching has one-to-one flush-through connection 6, flow sub 7 and water filling connector 8, is connected at flush-through connection 6 by a transit joint 9
External drainage bag.7 external connection urinary bag of flow sub.
The transit joint 9 includes a shell 10, interconnecting piece 11 and rear connection before 10 front-end and back-end of shell are respectively equipped with
Portion 12, transit joint 9 are detachably connected by preceding interconnecting piece 11 with flush-through connection 6, the preceding interconnecting piece 11 of transit joint 9 and flushing
It is connected through a screw thread between connector 6.Transit joint 9 is detachably connected by rear interconnecting piece 12 and external drainage bag, and transition connects
It is connected through a screw thread between first 9 rear interconnecting piece 12 and the drainage bag of outside.
10 inside back segment of shell is equipped with a cavity 13, be fixed in shell 10 one extend along the longitudinal direction it is hollow
The syringe needle of needle 14,14 rear end of hollow needle extands rearward in cavity 13, and the syringe needle rear end of hollow needle 14 is provided with aperture 15, hollow
It is set with a spring-backed quill 16 outside the syringe needle of needle 14,16 lower end of spring-backed quill is fixedly connected on the front end of cavity 13, resilient sleeve
The rear perpheral of pipe 16 is equipped with a circle stop collar 17, and spring-backed quill 16 passes through the annular stop platform of stop collar 17 and 10 rear end of shell
Rank 18, which matches, to be limited, and the rear end of spring-backed quill 16 also passes through a connection ring 19 and is connected with a rubber pad 20, rubber
It pads 20 centers and is provided with gap 21, under natural conditions, the syringe needle of hollow needle 14 is sealed in inside spring-backed quill 16 and connection ring 19, when
When rubber pad 20 is pressurized, the meeting forward compression of spring-backed quill 16, so that the syringe needle of hollow needle 14 opens the gap 21 of rubber pad 20, from
And it is located at the aperture 15 of the syringe needle rear end of hollow needle 14 except rubber pad 20.
Wherein, spring-backed quill 16, connection ring 19 and rubber pad 20 are integrally formed.
In use, by the bladder of the front end insertion patient of entire three-cavity catheter, by filling the water connector 8 to waterflood path
Water filling or inflation, can blow afloat sacculus 5, for fixing the position of entire three-cavity catheter in 4.When needing washed bladder,
The outlet connection 22 that external drainage bag is connected directly on the rear interconnecting piece 12 of transit joint 9, passes through the outlet of external drainage bag
22 compressing rubber pad 20 of connector compresses spring-backed quill 16, and the syringe needle of hollow needle 14 opens the gap 21 of rubber pad 20 automatically, from
And it is located at the aperture 15 of the syringe needle rear end of hollow needle 14 except rubber pad 20, so that 14 inside of hollow needle is connected with drainage bag
It is logical, so that the flushing liquid in drainage bag is injected into irrigation channel 2, bladder is rinsed.Liquid after flushing
It is drained at flow sub 7, and finally flowed into external urinary bag by drainage channel 3 again.After flushing, from transition
The rear interconnecting piece 12 of connector 9 removes the outlet connection 22 of external drainage bag, then spring-backed quill 16 and rubber pad 20 can automatic reboundings
To initial position, hollow needle 14 is enclosed in again inside spring-backed quill 16 and connection ring 19, realizes automatic plugging, whole process
It is simple to operate.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (5)
1. a kind of Improvement type three-cavity catheter, including tube body, independent three channels, three channels are provided in the tube body
Respectively irrigation channel, drainage channel and waterflood path, the irrigation channel, drainage channel and waterflood path rear end each extend over
There are one-to-one flush-through connection, flow sub and water filling connector, it is characterised in that: pass through a transition at the flush-through connection
Drainage bag outside connector connection, the transit joint include a shell, and the housing forward end and rear end connect before being respectively equipped with
Socket part and rear interconnecting piece, the transit joint are detachably connected by preceding interconnecting piece with flush-through connection, and the transit joint passes through
Interconnecting piece is detachably connected with external drainage bag afterwards, and the enclosure interior back segment is equipped with a cavity, is fixed in the shell
The syringe needle of the hollow needle extended along the longitudinal direction equipped with one, the hollow needle rear end extands rearward in cavity, described hollow
The syringe needle rear end of needle is provided with aperture, and a spring-backed quill, the spring-backed quill lower end are set with outside the syringe needle of the hollow needle
It is fixedly connected on the front end of cavity, the rear perpheral of the spring-backed quill is equipped with a circle stop collar, and the spring-backed quill passes through limit
Position ring is matched with the annular stop step of housing rear end to be limited, and the rear end of the spring-backed quill also passes through a connection ring
It is connected with a rubber pad, the rubber pad center is provided with gap, and under natural conditions, the syringe needle of the hollow needle is sealed in described
Inside spring-backed quill and connection ring, when the rubber pad is pressurized, the spring-backed quill meeting forward compression, so that the hollow needle
Syringe needle open the gap of the rubber pad, so that the aperture of the syringe needle rear end of hollow needle be made to be located at except rubber pad.
2. a kind of Improvement type three-cavity catheter as described in claim 1, it is characterised in that: the preceding interconnecting piece of the transit joint
It is connected through a screw thread between flush-through connection.
3. a kind of Improvement type three-cavity catheter as described in claim 1, it is characterised in that: the rear interconnecting piece of the transit joint
It is connected through a screw thread between external drainage bag.
4. a kind of Improvement type three-cavity catheter as described in claim 1, it is characterised in that: the spring-backed quill, connection ring and
Rubber pad is integrally formed.
5. a kind of Improvement type three-cavity catheter as described in claim 1, it is characterised in that: tube body front outer wall is equipped with one
A sacculus, the waterflood path front end are connected with sacculus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227635.0U CN208552822U (en) | 2017-09-22 | 2017-09-22 | A kind of Improvement type three-cavity catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227635.0U CN208552822U (en) | 2017-09-22 | 2017-09-22 | A kind of Improvement type three-cavity catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208552822U true CN208552822U (en) | 2019-03-01 |
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ID=65445011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721227635.0U Active CN208552822U (en) | 2017-09-22 | 2017-09-22 | A kind of Improvement type three-cavity catheter |
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| Country | Link |
|---|---|
| CN (1) | CN208552822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425916A (en) * | 2021-05-08 | 2021-09-24 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Cross three-cavity catheter |
| CN115791322A (en) * | 2022-10-14 | 2023-03-14 | 中国计量科学研究院 | Dead volume-free gravimetric method gas distribution injection port connector |
-
2017
- 2017-09-22 CN CN201721227635.0U patent/CN208552822U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425916A (en) * | 2021-05-08 | 2021-09-24 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Cross three-cavity catheter |
| CN113425916B (en) * | 2021-05-08 | 2022-06-10 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Cross three-cavity catheter |
| CN115791322A (en) * | 2022-10-14 | 2023-03-14 | 中国计量科学研究院 | Dead volume-free gravimetric method gas distribution injection port connector |
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