CN215608136U - Connecting device of hemodialysis liquid supply system and dialysis machine - Google Patents
Connecting device of hemodialysis liquid supply system and dialysis machine Download PDFInfo
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- CN215608136U CN215608136U CN202122180901.1U CN202122180901U CN215608136U CN 215608136 U CN215608136 U CN 215608136U CN 202122180901 U CN202122180901 U CN 202122180901U CN 215608136 U CN215608136 U CN 215608136U
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Abstract
The utility model discloses a connecting device of a hemodialysis liquid supply system and a dialysis machine, which is used on a centralized therapeutic liquid supply system of a hemodialysis room in a nephrology department of a hospital or a liquid medicine loop distribution system of a pharmaceutical factory. Including the U type joint, the curved arc portion that the U type connects sets up the connecting portion that outwards switches on, and the connecting portion outer end has two interfaces that an organic whole switched on to set up two interfaces of first cut-off equipment control connecting portion and the break-make between the curved arc portion that the U type connects on connecting portion, connect on one of them interface of connecting portion and set up the first check valve who allows to this interface direction one-way switch on, connect on another interface and set up the filter, just first check valve's far away connecting portion direction end is connected and is set up second cut-off equipment.
Description
Technical Field
The utility model relates to a hemodialysis matched using device, in particular to a connecting device of a hemodialysis liquid supply system and a dialysis machine.
Background
To increase the ease of clinical use, the device was developed.
This device mainly is applied to hospital nephrology department hemodialysis room and concentrates on supplying the treatment fluid system or be applied to the liquid medicine loop distribution system of pharmaceutical factory, what traditional concentrated confession treatment fluid system adopted is T type pipeline distribution scheme, and this scheme has the hidden danger that the bacterium in the pipeline can 'T thoroughly be killed at the end of the not surveying of disinfection to can' T guarantee the one-way liquid medicine of carrying, thereby the hospital infection risk that causes.
Disclosure of Invention
The utility model aims to: provides a connecting device of a hemodialysis liquid supply system and a dialysis machine, which is used on a centralized therapeutic liquid supply system of a hemodialysis room in a nephrology department of a hospital or a liquid medicine loop distribution system of a pharmaceutical factory.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a hemodialysis solution feed system and dialysis machine's connecting device, includes the U type and connects, the curved arc portion that the U type connects sets up the connecting portion that outwards switches on, and the connecting portion outer end has integrative two interfaces that switch on to set up break-make between two interfaces of first cut-off equipment control connecting portion and the curved arc portion that the U type connects on connecting portion, connect on one of them interface of connecting portion and set up the first check valve that allows to this interface direction one-way switch on, connect on another interface and set up the filter, just the far away connecting portion direction end of first check valve is connected and is set up second cut-off equipment.
On the basis of the above scheme and as a preferable scheme of the scheme: the U-shaped joint is of a hard conduit structure, the connecting part and the U-shaped joint are integrated, and the first flow cutting device is of a ball valve structure.
On the basis of the above scheme and as a preferable scheme of the scheme: the U-shaped connector is provided with a connecting nozzle extending outwards, the connecting part comprises a three-way connector, the first cutoff device is a valve switch, one interface of the three-way connector is connected with the connecting nozzle through the valve switch, and the other two interfaces are respectively connected with the first one-way valve and the filter.
On the basis of the above scheme and as a preferable scheme of the scheme: and a three-way switching valve is connected between the three-way joint and the valve switch in series, a liquid inlet of the three-way switching valve is connected with the direction end of the valve switch, and one liquid outlet of the three-way switching valve is connected with the three-way joint.
On the basis of the above scheme and as a preferable scheme of the scheme: and a second one-way valve allowing one-way conduction towards the three-way joint is connected in series between the three-way joint and the valve switch.
On the basis of the above scheme and as a preferable scheme of the scheme: and a second one-way valve allowing one-way conduction towards the direction of the three-way joint is connected in series between the three-way switching valve and the valve switch.
On the basis of the above scheme and as a preferable scheme of the scheme: and a third flow intercepting device is arranged between the second one-way valve and the three-way switching valve.
On the basis of the above scheme and as a preferable scheme of the scheme: and the direction end of the far U-shaped joint of the valve switch is adjacently provided with a pressure reducing valve.
On the basis of the above scheme and as a preferable scheme of the scheme: the far three-way joint direction end of the first one-way valve is connected with a first hose, the second cut-off device comprises a first water stop clamp which is serially arranged on the first hose, the second one-way valve is connected with the three-way switching valve through a second hose, and the third cut-off device comprises a second water stop clamp which is serially arranged on the second hose.
On the basis of the above scheme and as a preferable scheme of the scheme: the U-shaped connector is provided with a mounting plate fixedly connected with the U-shaped connector, and the mounting plate is provided with a cover body covering the U-shaped connector which can be opened and closed.
The utility model has the beneficial effects that:
the connecting device of the hemodialysis liquid supply system and the dialysis machine is used for a centralized treatment liquid supply system of a hemodialysis room in a nephrology department of a hospital or a liquid medicine loop distribution system of a pharmaceutical factory.
The connecting device of the hemodialysis liquid supply system and the dialysis machine is mainly applied to a centralized therapeutic liquid supply system of a hemodialysis room in a nephrology department of a hospital, distributes therapeutic liquid (namely hemodialysis concentrated liquid) in the centralized therapeutic liquid supply system to treatment equipment, and provides treatment for patients through the treatment equipment. The problem that a T-shaped pipeline distribution scheme is adopted in a traditional centralized therapeutic liquid supply system, the hidden danger that bacteria in a pipeline cannot be completely killed due to the fact that disinfection cannot be conducted is solved, and therefore contaminated liquid medicine cannot flow back to enter a main liquid supply pipeline due to the fact that one-way liquid medicine conveying cannot be guaranteed.
When using, on the main feed line of the concentrated confession liquid system of hemodialysis with U type joint both ends concatenation hemodialysis concentrate, the imbibition rod end of treatment facility (hemodialysis machine, model Fresenius Medical Care 4008S) is connected to first check valve' S distal junction portion direction end, and the equipment feed liquor end of treatment facility is connected to the distal junction portion direction end of filter, flows through connecting portion through main feed line and supplies liquid (being used for the treatment) to equipment feed liquor end, first check valve can prevent that the liquid of equipment feed liquor end direction from passing through and getting into the imbibition rod end to the liquid (antiseptic solution or the reverse osmosis water that the permission made the imbibition rod end when needs, be used for disinfection and washing) gets into equipment feed liquor end.
The specific significance comprises that the U-shaped structure of the U-shaped joint can ensure that a main pipeline of the centralized liquid supply system has no dead space in the disinfection process, no residual disinfectant is left under the condition of sufficient flushing, and the water consumption for integral flushing is less, so that the energy-saving significance is realized. The second one-way valve between the first cutoff device and the three-way joint can ensure that the liquid medicine is conveyed in one way without backflow, so that the hidden danger that the liquid medicine can flow back to the main system pipeline from the dialysis machine which is being treated when the liquid medicine configured in the centralized liquid supply system is conveyed to the area with the positive infectious disease in clinic so as to cause infection to the patient without the negative infectious disease is thoroughly solved, and the three-way valve has extremely remarkable significance for preventing infection in hospital. And a pressure reducing valve is added, so that the pressure of the liquid medicine distributed to each treatment dialysis machine by the whole set of conveying system is effectively ensured to be stable, the rubber sealing structure in the dialysis machine cannot be broken due to overhigh pressure, and the dialysis equipment and the patient are protected. The first one-way valve ensures that liquid medicine cannot flow into a flushing system of the hemodialysis machine by mistake in the treatment process, so that equipment is polluted and a pipeline is short-circuited.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a third schematic view of the present invention;
FIG. 4 is a fourth schematic view of the present invention;
FIG. 5 is a schematic view of a connection device for a hemodialysis solution supply system and a dialysis machine according to the present invention.
In the figure: the device comprises a U-shaped connector-1, a connecting part-2, a first cutoff device-3, a first one-way valve-4, a filter-5, a second cutoff device-6, a three-way connector-7, a connecting nozzle-8, a three-way switching valve-9, a second one-way valve-10, a third cutoff device-11, a pressure reducing valve-12, a first hose-13, a second hose-14, a mounting plate-15 and a cover body-16.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a connecting device of a hemodialysis liquid supply system and a dialysis machine comprises a U-shaped joint 1, wherein a bent arc portion of the U-shaped joint 1 is provided with a connecting portion 2 which is conducted outwards, the outer end of the connecting portion 2 is provided with two interfaces which are conducted integrally, a first cut-off device 3 is arranged on the connecting portion 2 to control the connection and disconnection between the two interfaces of the connecting portion 2 and the bent arc portion of the U-shaped joint 1, one of the interfaces of the connecting portion 2 is connected and provided with a first one-way valve 4 which allows one-way conduction towards the direction of the interface, the other interface is connected and provided with a filter 5, and the end of the first one-way valve 4 far away from the direction of the connecting portion 2 is connected and provided with a second cut-off device 6. Connect 1 both ends with the U type during application on hemodialysis concentrate concentrated solution feed system's main liquid supply pipeline, the imbibition rod end of treatment equipment is connected to 2 direction ends of the far connecting portion of first check valve 4, and the equipment feed liquor end of treatment equipment is connected to 2 direction ends of the far connecting portion of filter 5, flows through connecting portion through main liquid supply pipeline and supplies liquid to the filter direction, first check valve can prevent that the liquid of equipment feed liquor end direction from passing through and entering the imbibition rod end to the liquid that allows to make the imbibition rod end when needs gets into equipment feed liquor end. In the normal treatment state, the second cut-off device 6 is closed, and then the treatment liquid is supplied to the liquid inlet end of the equipment through the main liquid supply pipeline for treatment. During disinfection and cleaning, the first cutoff device 3 is closed, liquid enters from the liquid suction rod end and is supplied from the liquid inlet end of the equipment to be reserved so as to disinfect the first part, and then the liquid automatically flows from the main liquid supply pipeline to disinfect the rest part.
The first embodiment is as follows:
the utility model provides a hemodialysis solution feed system and dialysis machine's connecting device, includes U type joint 1, U type joint 1's curved arc portion sets up connecting portion 2 that outwards switches on, and 2 outer ends of connecting portion have integrative two interfaces that switch on to set up the break-make between two interfaces of first cut-off device 3 control connecting portion 2 and the curved arc portion of U type joint 1 on connecting portion 2, connect on one of them interface of connecting portion 2 and set up the first check valve 4 that allows to this interface direction one-way switch on, connect on another interface and set up filter 5, just 2 direction end connections of the far-away connecting portion of first check valve 4 set up second cut-off device 6. Referring to fig. 1, the U-shaped joint 1 is a rigid conduit structure, and the connecting portion 2 is integrated with the U-shaped joint 1, wherein the first cutoff device 3 is a ball valve structure.
The connecting device U-shaped joint 1, the connecting part 2 and the first cutoff device 3 of the hemodialysis liquid supply system and the dialysis machine are of a hard integrated structure, can be directly and fixedly installed on the side wall of treatment equipment, and are convenient to use.
Example two:
the utility model provides a hemodialysis solution feed system and dialysis machine's connecting device, includes U type joint 1, U type joint 1's curved arc portion sets up connecting portion 2 that outwards switches on, and 2 outer ends of connecting portion have integrative two interfaces that switch on to set up the break-make between two interfaces of first cut-off device 3 control connecting portion 2 and the curved arc portion of U type joint 1 on connecting portion 2, connect on one of them interface of connecting portion 2 and set up the first check valve 4 that allows to this interface direction one-way switch on, connect on another interface and set up filter 5, just 2 direction end connections of the far-away connecting portion of first check valve 4 set up second cut-off device 6. The U-shaped joint 1 is of a hard conduit structure, the connecting part 2 and the U-shaped joint 1 are integrated, and the first cutoff device 3 is of a ball valve structure.
Referring to fig. 2, the U-shaped joint 1 has a connection mouth 8 extending outward, the connection part 2 includes a three-way joint 7, the first cutoff device 3 is a valve switch, one of the ports of the three-way joint 7 is connected to the connection mouth 8 through the valve switch, and the other two ports are respectively connected to the first one-way valve 4 and the filter 5.
The device has the advantages that each part is of a split combined structure, and the device is characterized in that the parts are mutually integrated, the application is more convenient, the device can be maintained by self, the device can be assembled by self, and the device is not limited by the manufacturing difficulty of products.
Example three:
the utility model provides a hemodialysis solution feed system and dialysis machine's connecting device, includes U type joint 1, U type joint 1's curved arc portion sets up connecting portion 2 that outwards switches on, and 2 outer ends of connecting portion have integrative two interfaces that switch on to set up the break-make between two interfaces of first cut-off device 3 control connecting portion 2 and the curved arc portion of U type joint 1 on connecting portion 2, connect on one of them interface of connecting portion 2 and set up the first check valve 4 that allows to this interface direction one-way switch on, connect on another interface and set up filter 5, just 2 direction end connections of the far-away connecting portion of first check valve 4 set up second cut-off device 6. The U-shaped joint 1 is of a hard conduit structure, the connecting part 2 and the U-shaped joint 1 are integrated, and the first cutoff device 3 is of a ball valve structure.
Referring to fig. 3, the U-shaped joint 1 has a connection mouth 8 extending outward, the connection part 2 includes a three-way joint 7, the first cutoff device 3 is a valve switch, one of the ports of the three-way joint 7 is connected to the connection mouth 8 through the valve switch, and the other two ports are respectively connected to the first one-way valve 4 and the filter 5.
And a second one-way valve 10 allowing one-way conduction to the direction of the three-way joint 7 is connected in series between the three-way joint 7 and the valve switch.
Further, a third intercepting device 11 is arranged between the second one-way valve 10 and the three-way switching valve 9.
Further, a pressure reducing valve 12 is adjacently arranged at the end of the valve switch far away from the direction of the U-shaped joint 1.
Wherein the second one-way valve 10 effectively prevents the liquid containing the blood of the patient from flowing back to the main liquid supply pipeline at the direction end of the treatment equipment, and avoids cross infection. The third shut-off device 11 can be used for clamping during cleaning and disinfection.
Example four:
the utility model provides a hemodialysis solution feed system and dialysis machine's connecting device, includes U type joint 1, U type joint 1's curved arc portion sets up connecting portion 2 that outwards switches on, and 2 outer ends of connecting portion have integrative two interfaces that switch on to set up the break-make between two interfaces of first cut-off device 3 control connecting portion 2 and the curved arc portion of U type joint 1 on connecting portion 2, connect on one of them interface of connecting portion 2 and set up the first check valve 4 that allows to this interface direction one-way switch on, connect on another interface and set up filter 5, just 2 direction end connections of the far-away connecting portion of first check valve 4 set up second cut-off device 6. The U-shaped joint 1 is of a hard conduit structure, the connecting part 2 and the U-shaped joint 1 are integrated, and the first cutoff device 3 is of a ball valve structure.
Referring to fig. 4, the U-shaped joint 1 has a connection mouth 8 extending outward, the connection part 2 includes a three-way joint 7, the first cutoff device 3 is a valve switch, one of the ports of the three-way joint 7 is connected to the connection mouth 8 through the valve switch, and the other two ports are respectively connected to the first one-way valve 4 and the filter 5.
And a three-way switching valve 9 is connected between the three-way joint 7 and the valve switch in series, a liquid inlet of the three-way switching valve 9 is connected with the direction end of the valve switch, and one liquid outlet of the three-way switching valve 9 is connected with the three-way joint 7.
And a second one-way valve 10 allowing one-way conduction to the direction of the three-way joint 7 is connected in series between the three-way switching valve 9 and the valve switch.
Further, a third intercepting device 11 is arranged between the second one-way valve 10 and the three-way switching valve 9.
Further, a pressure reducing valve 12 is adjacently arranged at the end of the valve switch far away from the direction of the U-shaped joint 1.
The three-way switching valve 9 can play a role in enhancing the disinfection and cleaning effects of the connecting device of the hemodialysis liquid supply system and the dialysis machine. Can achieve no dead angle and zero pollution. During disinfection and cleaning, firstly, liquid can flow from the liquid suction rod end to the equipment liquid inlet end to disinfect the first part, then the position of a change-over switch of the three-way change-over valve 9 is adjusted during disinfection of the main liquid supply pipeline, so that the liquid in the main liquid supply pipeline flows out from the other liquid outlet of the three-way change-over valve 9 to disinfect the rest part, the disinfection effect is fully guaranteed, and the use safety is ensured.
The detailed structure of the connecting device of the hemodialysis liquid supply system and the dialysis machine of the utility model is shown in fig. 5, wherein each cut-off device can use a valve switch including a ball valve and a butterfly valve, and can also use a device including but not limited to a solenoid valve, wherein, the three-way switching valve 9 can also be provided with electric control switching to facilitate the integration of an automatic control system for controlling the output flow direction of the liquid medicine, but in view of the non-intuitive switching position of the valve switch during the application and the tiring use, therefore, further, the far three-way joint 7 direction end of the first one-way valve 4 is connected with a first hose 13, the second cut-off device 6 comprises a first water stop clamp which is serially arranged on a first hose 13, the second one-way valve 10 is connected with the three-way switching valve 9 through a second hose 14, and the third cut-off device 11 comprises a second water stop clamp which is serially arranged on the second hose 14.
An installation plate 15 fixedly connected with the U-shaped joint 1 is arranged, and a cover 16 which can be opened and closed is arranged on the installation plate 15 to cover the U-shaped joint 1. The cover 16 can prevent the liquid dropping from the upper end of the therapeutic equipment from polluting the U-shaped joint 1.
In the using process, the distance between the connecting pipelines of the three-way joint 7 and the three-way switching valve 9 can be shortened as much as possible and can be controlled within 3 cm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a connecting device of hemodialysis solution feed system and dialysis machine which characterized in that: including U type joint (1), the curved arc portion of U type joint (1) sets up connecting portion (2) that outwards switch on, and connecting portion (2) outer end has integrative two interfaces that switch on to set up two interfaces of first cut-off device (3) control connecting portion (2) and the curved arc portion between the U type joint (1) break-make on connecting portion (2), connect on one of them interface of connecting portion (2) and set up first check valve (4) that allow to this interface direction one-way switch on, connect on another interface and set up filter (5), just distal portion (2) direction end connection of first check valve (4) sets up second cut-off device (6).
2. The hemodialysis liquid supply system and dialysis machine connection apparatus of claim 1, wherein: the U-shaped joint (1) is of a hard pipe structure, the connecting part (2) and the U-shaped joint (1) are integrated, and the first cutoff device (3) is of a ball valve structure.
3. The hemodialysis liquid supply system and dialysis machine connection apparatus of claim 1, wherein: the U-shaped connector (1) is provided with a connecting nozzle (8) extending outwards, the connecting part (2) comprises a three-way connector (7), the first cutoff device (3) is a valve switch, one interface of the three-way connector (7) is connected with the connecting nozzle (8) through the valve switch, and the other two interfaces are respectively connected with the first one-way valve (4) and the filter (5).
4. The hemodialysis liquid supply system and dialysis machine connection device of claim 3, wherein: and a three-way switching valve (9) is connected in series between the three-way joint (7) and the valve switch, a liquid inlet of the three-way switching valve (9) is connected with the direction end of the valve switch, and one liquid outlet of the three-way switching valve (9) is connected with the three-way joint (7).
5. The hemodialysis liquid supply system and dialysis machine connection device of claim 3, wherein: and a second one-way valve (10) allowing one-way conduction towards the three-way joint (7) is connected in series between the three-way joint (7) and the valve switch.
6. The hemodialysis liquid supply system and dialysis machine connection apparatus of claim 4, wherein: and a second one-way valve (10) allowing one-way conduction towards the three-way joint (7) is connected in series between the three-way switching valve (9) and the valve switch.
7. The hemodialysis liquid supply system and dialysis machine connection apparatus of claim 6, wherein: and a third flow intercepting device (11) is arranged between the second one-way valve (10) and the three-way switching valve (9).
8. The hemodialysis solution supply system of any one of claims 3-7, wherein: and the direction end of the far U-shaped joint (1) of the valve switch is adjacently provided with a pressure reducing valve (12).
9. The hemodialysis liquid supply system and dialysis machine connection apparatus of claim 7, wherein: the far-end three-way joint (7) direction end connection of first check valve (4) sets up first hose (13), second cut-off equipment (6) are including the first stagnant water clamp of cluster on first hose (13), connect through second hose (14) between second check valve (10) and the three-way switch valve (9), third cut-off equipment (11) are including the second stagnant water clamp of cluster on second hose (14).
10. The hemodialysis solution supply system of claim 1 or 3, wherein the hemodialysis machine comprises: the U-shaped connector is provided with a mounting plate (15) fixedly connected with the U-shaped connector (1), and a cover body (16) which can be opened and closed is arranged on the mounting plate (15) to cover the U-shaped connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180901.1U CN215608136U (en) | 2021-09-09 | 2021-09-09 | Connecting device of hemodialysis liquid supply system and dialysis machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180901.1U CN215608136U (en) | 2021-09-09 | 2021-09-09 | Connecting device of hemodialysis liquid supply system and dialysis machine |
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| Publication Number | Publication Date |
|---|---|
| CN215608136U true CN215608136U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122180901.1U Active CN215608136U (en) | 2021-09-09 | 2021-09-09 | Connecting device of hemodialysis liquid supply system and dialysis machine |
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| Country | Link |
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| CN (1) | CN215608136U (en) |
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2021
- 2021-09-09 CN CN202122180901.1U patent/CN215608136U/en active Active
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