CN214911399U - Multifunctional hemofiltration pipeline - Google Patents

Abstract

The multifunctional blood filtering pipeline is provided, wherein a post-filtering connecting pipe is communicated with the upper part of a venous pot, a venous end pipeline is communicated with the bottom of the venous pot, a filter screen is arranged in the venous pot and is arranged at the lower part of the blood outlet end of the post-filtering connecting pipe, a venous pressure pipe is arranged at the upper part of the venous pot and is communicated with the upper part of the venous pot, a siphon thrombus collector is arranged on the outer wall section of the venous pot at the upper part of the filter screen, a blocking valve and a thrombus taking valve are respectively arranged on the siphon thrombus collector, a lower pressure limit venous valve, an upper pressure limit valve and a three-way valve arranged on the venous pressure pipe are sequentially arranged in the interior of the venous pressure pipe, the three-way valve is connected with an exhaust heparin cap, a pressure testing area is formed between the lower pressure limit valve and the upper pressure limit valve, and the lower pressure limit valve is allowed to move in the pressure testing area so as to realize the opening and closing of the siphon thrombus collector; the scheme solves the difficult problem of thrombus and air discharge in the hemodialysis pipeline, is convenient for observation and treatment, and is helpful for shortening the hospitalization days of patients and reducing the hospitalization cost.

Description

Multifunctional hemofiltration pipeline

Technical Field

The utility model relates to a medical auxiliary equipment, concretely relates to pipeline is strained to multi-functional blood.

Background

Hemodialysis is to introduce the blood of a patient into a dialyzer, and achieve the purposes of removing metabolites and toxic substances and correcting water and electrolyte balance disorder by utilizing the concentration difference of solutes on two sides of a semi-permeable membrane through the actions of permeation, diffusion and ultrafiltration.

The new generation hemodiafiltration machine has various treatment modes of hemodialysis, hemofiltration, hemodiafiltration, simple ultrafiltration, sequential dialysis, low-flow continuous blood purification and the like, improves clinical indexes of critically ill patients, and provides patients with early rehabilitation, driving protection and navigation.

At present, various problems of inconvenient operation still exist in a hemodialysis pipeline clinically, and 1, venous thrombosis has great influence on treatment; 2. high-value consumables of hemofiltration increase hospitalization cost; 3. the technical problem is solved by only discharging air in the venous pipeline to form external circulation; thereby causing the patient to have a prolonged hospital stay and additional workload on the medical staff.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned exists, the utility model provides a pipeline is strained to multi-functional blood solves the problem that hemodialysis pipeline thrombus and air got rid of.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

the utility model provides a pipeline is strained to multi-functional blood, contains the vein kettle, strains back connecting pipe, filter screen, vein pressure pipe and vein end pipeline, wherein strain back connecting pipe and vein kettle upper portion intercommunication, vein end pipeline and vein kettle bottom intercommunication, the filter screen setting is inside and arrange in the vein kettle and strain back connecting pipe blood outlet end lower part, the vein pressure pipe sets up on vein kettle upper portion and communicates with it, is equipped with hydrocone type thrombus collector on the vein kettle outer wall section on filter screen upper portion, is equipped with respectively on hydrocone type thrombus collector and blocks the valve and get the bolt valve the inside pressure lower limit valve and the upper limit valve of being equipped with in proper order of vein pressure pipe and the three-way valve of setting on the vein pressure pipe, three-way valve connection has exhaust heparin cap, form the pressure test area between lower limit valve of pressure and the upper limit valve, allow the lower limit valve of pressure moves in the pressure test area, so as to realize the opening and closing of the siphon thrombus collector.

Further, foretell multi-functional blood strains the pipeline, filter back connecting pipe, vein end pipeline, vein pressure pipe and hydrocone type thrombus collector all with the detachable connection of vein kettle.

Furthermore, foretell multi-functional blood strains the pipeline, filter back connecting pipe, vein end pipeline, vein pressure pipe and hydrocone type thrombus collector all with vein kettle thread type connection.

The embodiment of the utility model provides a beneficial effect is:

1. when thrombus collected by the filter screen of the hemodialysis pipeline affects blood circulation, the pressure of the hemodialysis pipeline rises, so that a lower pressure limit valve is driven to move upwards in a pressure test area, when the pressure is higher than an upper pressure limit valve, a blocking valve is opened, the siphon-type thrombus collector automatically collects thrombus on the upper part of the filter screen, the filter screen gradually recovers the filtering function, the pressure in the hemodialysis pipeline drops, the lower pressure limit valve moves downwards in the pressure test area, so that the blocking valve is closed, and after the siphon-type thrombus collector collects enough thrombus, a thrombus taking valve is opened to take out the thrombus;

2. when the lower limit valve of pressure was in pressure test district lower part, there was excess air in the suggestion hemodialysis pipeline, can open the three-way valve this moment and in time discharge the air in the hemodialysis pipeline, need not take off the plane and carry out the extracorporal circulatory system and remove the air to be convenient for observe the treatment, help shortening patient's the number of days of being in hospital and reduce the cost of being in hospital.

Drawings

Fig. 1 is a schematic structural view of the multifunctional blood filtering pipeline of the present invention.

Reference numerals in the drawings of the specification include: the device comprises a venous pot 1, a filtered connecting pipe 2, a filter screen 3, a venous pressure pipe 4, a venous end pipeline 5, a siphon thrombus collector 6, a blocking valve 7, a thrombus taking valve 8, a lower pressure limit valve 9, an upper pressure limit valve 10, a three-way valve 11, a pressure test area 12 and an exhaust heparin cap 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: with reference to FIG. 1

The scheme provides a multifunctional blood filtering pipeline, which comprises a venous pot 1, a post-filtering connecting pipe 2, a filter screen 3, a venous pressure pipe 4 and a venous end pipe 5, wherein the post-filtering connecting pipe 2 is communicated with the upper part of the venous pot 1, the venous end pipe 5 is communicated with the bottom of the venous pot 1, the filter screen 3 is arranged in the venous pot 1 and is arranged at the lower part of the blood outlet end of the post-filtering connecting pipe 2, the venous pressure pipe 4 is arranged at the upper part of the venous pot 1 and is communicated with the venous pot, a siphon-type thrombus collector 6 is arranged on the outer wall section of the venous pot 1 at the upper part of the filter screen 3, a blocking valve 7 and a bolt taking valve 8 are respectively arranged on the siphon-type thrombus collector 6, a lower pressure limit valve 9 and an upper pressure limit valve 10 and a three-way valve 11 arranged on the venous pressure pipe 4 are sequentially arranged in the venous pressure pipe 4, the three-way valve 11 is connected with an exhaust heparin cap 13, and a pressure test area 12 is formed between the lower pressure limit valve 9 and the upper pressure limit valve 10, the pressure testing area 12 is a yellow area, the lower part of the pressure testing area 12 is a green area, and the lower pressure limit valve 9 is allowed to move in the pressure testing area 12 so as to realize the opening and closing of the siphon-type thrombus collector 6.

The use method comprises the following steps: after blood is filtered by a filter, the blood enters a filter screen 3 in a venous pot 1 through a filtered connecting pipe 2 for filtering, then a venous end pipeline 5 is connected to a patient, when thrombus collected by a hemodialysis pipeline through the filter screen 3 influences blood circulation, the pressure of the hemodialysis pipeline rises, so that a lower pressure limit valve 9 is driven to move upwards in a pressure test area 12, when the pressure is higher than an upper pressure limit valve 10 and exceeds a yellow area, a blocking valve 7 is opened, a siphon type thrombus collector 6 automatically collects thrombus on the upper part of the filter screen 3, the filter screen 3 gradually recovers the filtering function, the pressure in the hemodialysis pipeline is reduced, the lower pressure limit valve 9 moves downwards in the pressure test area 12, when the lower pressure limit valve 9 is lower than the yellow area and enters a green area, the blocking valve 7 is closed, and when the siphon type thrombus collector 6 collects enough thrombus, a thrombus taking valve 8 is opened to take out the thrombus; when the lower pressure limit valve 9 is arranged at the lower part of the pressure test area 12, namely in a green area, the excessive air in the hemodialysis pipeline is prompted, at the moment, the three-way valve 11 can be opened to discharge the air in the hemodialysis pipeline in time through the exhaust heparin cap 13, and the air is removed without taking off the machine for extracorporeal circulation, so that the observation and treatment are convenient, the hospital stay days of patients are shortened, and the hospital stay cost is reduced.

Example 2: with reference to FIG. 1

Compared with the embodiment 1, the difference is that the filtered connecting pipe 2, the vein end pipeline 5, the vein pressure pipe 4 and the siphon-type thrombus collector 6 are detachably connected with the vein pot 1, and the filtered connecting pipe 2, the vein end pipeline 5, the vein pressure pipe 4 and the siphon-type thrombus collector 6 are in threaded connection with the vein pot 1; the above arrangement is convenient for assembly, disassembly and cleaning.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (3)

1. The utility model provides a pipeline is strained to multi-functional blood which characterized in that: contain vein kettle (1), strain back connecting pipe (2), filter screen (3), vein pressure pipe (4) and vein end pipeline (5), wherein strain back connecting pipe (2) and vein kettle (1) upper portion intercommunication, vein end pipeline (5) and vein kettle (1) bottom intercommunication, filter screen (3) set up inside vein kettle (1) and arrange in and strain back connecting pipe (2) blood outlet end lower part, vein pressure pipe (4) set up on vein kettle (1) upper portion and communicate with it, be equipped with hydrocone type thrombus collector (6) on vein kettle (1) outer wall section on filter screen (3) upper portion, be equipped with respectively on hydrocone type thrombus collector (6) and block valve (7) and get bolt valve (8) be equipped with lower limit valve of pressure (9) and upper limit valve of pressure (10) and set up three-way valve (11) on vein pressure pipe (4) upwards in proper order inside vein pressure pipe (4), the three-way valve (11) is connected with exhaust heparin cap (13), form pressure test area (12) between pressure lower limit valve (9) and pressure upper limit valve (10), allow pressure lower limit valve (9) move in pressure test area (12) to realize opening and shutting of hydrocone type thrombus collector (6).

2. The multi-functional hemofilter circuit of claim 1 wherein: the post-filter connecting pipe (2), the vein end pipeline (5), the vein pressure pipe (4) and the siphon thrombus collector (6) are detachably connected with the vein pot (1).

3. The multi-functional hemofilter circuit of claim 2 wherein: the post-filter connecting pipe (2), the vein end pipeline (5), the vein pressure pipe (4) and the siphon thrombus collector (6) are all in threaded connection with the vein pot (1).

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