CN111570433A

CN111570433A - Membrane isolation disinfection storage flusher

Info

Publication number: CN111570433A
Application number: CN202010445234.2A
Authority: CN
Inventors: 郑伟哲
Original assignee: Jiangshan Fafa Technology Co ltd
Current assignee: Jiangshan Fafa Technology Co ltd
Priority date: 2020-05-24
Filing date: 2020-05-24
Publication date: 2020-08-25

Abstract

The invention relates to a membrane isolation disinfection storage flusher which comprises an injection tube, a push plug and a liquid injection needle with a linear structure, wherein the push plug is connected with a push rod, the push plug is arranged in the injection tube to isolate a cleaning liquid storage cavity, one end of the cleaning liquid storage cavity, which is far away from the push plug, is provided with a liquid outlet nozzle, cleaning liquid is filled in the cleaning liquid storage cavity, the liquid outlet nozzle is sealed by a sealing membrane, the injection tube is connected with a protective cover covering the liquid injection needle, the protective cover is provided with a disinfection liquid bag, one end of the liquid injection needle is provided with a connecting sleeve, the other end of the liquid injection needle is inserted into the disinfection liquid bag, the liquid injection needle is connected onto the liquid outlet nozzle in a sealing and sliding manner through the connecting sleeve, and a puncture. The invention has the advantage of no need of assembling the liquid spraying needle on site, and solves the problem that the existing flusher is easy to generate and does not conform to aseptic operation specifications due to the fact that the liquid spraying needle needs to be replaced on site.

Description

Membrane isolation disinfection storage flusher

Technical Field

The invention relates to medical instruments, in particular to a membrane isolation, disinfection, storage and flusher.

Background

In order to prevent incompatibility and liquid medicine residue in the catheter from stimulating local blood vessels when different medicines are injected through the same catheter, the catheter needs to be flushed. The existing method of flushing the catheter is to open a whole pack of saline and then draw a portion through a syringe and then inject the saline into the catheter. Therefore, the existing catheter is flushed by a normal saline mode through a syringe, and the following defects exist: the normal saline is required to be pumped firstly and then the flushing can be carried out, so the time required for flushing operation is long; the amount of the physiological saline required by flushing is 3-10 ml, and even the physiological saline in the smallest bag is opened for flushing, the amount of the physiological saline is 250 mm, so that the waste of the physiological saline is large, and the economic burden of a patient is increased; in order to solve the above problems, a flusher disclosed in the patent document with chinese patent No. 201811584427.5 is designed, which dissipates heat and prefabricates physiological saline (cleaning solution) to save the physiological saline, but needs to take off the plug and replace the liquid spraying needle in the using process, which not only increases the labor capacity of medical staff, but also is easy to be generated when the aseptic operation standard is not met; in addition, the push rod and the injection cylinder of the existing flusher can only be connected in series in a circumferential distribution mode, so that the flusher is easy to break due to overlong appearance length and the phenomenon of leakage of the physiological saline due to inward movement of the push rod caused by easy pressing of the push rod is caused.

Disclosure of Invention

The invention provides a membrane isolation disinfection storage flusher without assembling a liquid spraying needle on site, and solves the problem that the existing flusher is easy to generate and not conform to aseptic operation specifications due to the fact that the liquid spraying needle needs to be replaced on site.

The second purpose of the invention is to further provide a membrane isolation disinfection storage flusher with a push rod capable of being folded onto the periphery of an injection cylinder, which solves the problem that the push rod and the injection cylinder of the existing pre-installed flusher can only be connected in series, so that the push rod and the injection cylinder are easy to break and are pressed to leak.

The technical problem is solved by the following technical scheme: the utility model provides a flusher is stored in membrane isolation disinfection, includes the injection tube, injection tube inner seal sliding connection has the plug, be connected with the push rod on the plug, the plug is in isolation washing liquid storage chamber in the injection tube, the washing liquid is stored the one end that the plug was kept away from in chamber and is equipped with out the liquid mouth, the washing liquid is stored the intracavity and is equipped with the washing liquid, a serial communication port, still include the hydrojet needle of rectilinear structure, the liquid mouth is lived through the seal membrane is sealed, be connected with the cover on the injection tube protective cover on the hydrojet needle, be equipped with the disinfectant package on the protective cover, the one end of hydrojet needle is equipped with the adapter sleeve, the other end is inserted in the disinfectant package, the hydrojet needle passes through adapter sleeve seal sliding connection is in on the liquid mouth, be equipped with in the adapter sleeve with what. When the cleaning device is used for cleaning, the protective cover is removed, the liquid injection needle moves towards the direction of the injection tube, the puncture head punctures the sealing membrane as a result of the movement, then the push rod is pressed to drive the push plug to spray the normal saline from the liquid injection needle to remove the disinfectant, and the normal saline is discharged when the push rod is continuously pressed to clean the problem needing to be cleaned. The liquid spraying needle is prefabricated, and the liquid spraying needle is not required to be mounted after the liquid spraying needle is detached from the liquid outlet nozzle in use, so that the working procedures are saved, and the operation which is not in accordance with the sterile operation standard is not easy to generate if the working procedures are less. The protective cover is arranged to cover the liquid spraying needle, the cleaning effect is good, the liquid spraying needle is inserted into the disinfectant bag, the bacterial pollution can be avoided, and the antibacterial effect is good.

Preferably, the puncture head is a tubular structure, and the puncture head is aligned with and communicated with the internal channel of the liquid injection needle. The puncture head does not need to be pulled out after puncturing the sealing membrane, and the physiological saline in the injection tube can be injected, thereby passing the convenience in use. The amount of the disinfectant entering the liquid injection needle can be reduced, so that the disinfectant can be conveniently discharged.

Preferably, a sealing plug capable of ejecting the liquid ejecting needle is connected in a sealing and sliding manner in the internal channel of the liquid ejecting needle. Can reliably isolate the disinfectant and the normal saline, and prevent the large amount of the normal saline wasted when the disinfectant is discharged due to the mixing of the disinfectant and the normal saline in the puncturing process.

Preferably, the injection tube is provided with a connecting bulge, the liquid outlet nozzle is arranged on the connecting bulge, the connecting bulge is provided with a thread section and a smooth surface section, the thread section is positioned between the smooth surface section and the injection tube, and the protective cover is sleeved on the connecting part of the thread section and the smooth surface section, so that the liquid spraying needle penetrates into the disinfection bag. Can ensure that the liquid spraying needle is reliably inserted into the disinfectant bag and reduce the damage generated when the liquid spraying needle is inserted into the disinfectant bag.

Preferably, the protective cover and the injection molding barrel are connected together in a sealing mode to form a sealed air cavity, and the air pressure in the sealed air cavity is larger than the pressure in the disinfection bag. The isolation reliability between the liquid spraying needle and the disinfectant bag can be improved.

Preferably, the push rod comprises two half parts distributed along the radial direction of the injection cylinder, the half parts are hinged with the push plug through a hinge structure, the hinge structure comprises a push rod part hinge shaft, a piston part connecting lug connected to the piston and a push rod part connecting lug connected to the half parts, the piston part connecting lug and the push rod part connecting lug are rotatably connected together through the push rod part hinge shaft, and the half parts can rotate to be folded on the outer peripheral surface of the injection cylinder by taking the push rod part hinge shaft as a shaft; when the half parts rotate to be folded on the peripheral surface of the injection cylinder by taking the push rod part hinge shaft as a shaft, the push rod part connecting lug is hooked on the end surface of the injection cylinder. In the storage and transportation process, the push rod is in a state of being folded to the outside of the injection cylinder, so that the push rod and the injection cylinder are in a parallel state, the length can be reduced, the structure is more compact, and the phenomenon that the push plug pushes out the physiological saline by mistake due to touching the push rod can not be generated. The second object of the invention is achieved.

Preferably, two protection blocks are arranged at one end of the half part away from the hinge structure, and when the half part is folded on the outer peripheral surface of the injection cylinder, the two protection blocks on the two half parts are abutted together in a one-to-one correspondence manner to form a protection ring sleeved outside the injection cylinder. The push rod can play and push away the effect that a section of thick bamboo of moulding plastics protected.

Preferably, the guard ring is a circular ring. The structure is compact and good.

Preferably, the surfaces of the two sides of the half part perpendicular to the hinge shaft direction of the push rod part are cambered surfaces, and when the half part is folded on the injection molding cylinder, the injection molding cylinder is arranged in the half part in a penetrating manner. The protection to the section of thick bamboo of moulding plastics can be realized with compact overall arrangement, and the radian length of the part that the section of thick bamboo of moulding plastics was protected is certain, and the outward appearance volume can be less.

Preferably, when the half part rotates to be distributed with the push plug along the axial direction of the injection molding cylinder and is inserted into the injection molding cylinder, contact preventing gaps are arranged between the two circumferential ends of the half part and the injection molding cylinder, and the contact preventing gaps are smaller than 2 mm. Can realize the angle maximize that shelters from when the push rod parcel is on a section of thick bamboo of moulding plastics under the prerequisite of guaranteeing that the push rod can insert in the section of thick bamboo of moulding plastics.

Preferably, the push plug is provided with a push plug part limiting surface, the end surface of one end of the half part connected with the hinge structure is provided with a push rod part limiting surface, and when the half part rotates to abut against the push plug part limiting surface and the push rod part limiting surface, the extending direction of the push rod is parallel to the axis of the push plug. The push rod can be conveniently perpendicular to the push plug, so that the push is labor-saving.

Preferably, when the half parts rotate until the plug part limiting surface and the push rod part limiting surface abut together, the two half parts are in line contact and abut together. The stability in pushing can be improved.

An avoidance inclined surface is arranged between the end surface of one end of the half part connected with the hinge structure and the circumferential surface of the half part, and the avoidance inclined surface is used for preventing the two half parts from being abutted and abutted together when the half part is rotated and preventing the half part from rotating to be abutted and abutted with the push plug. The reliability in operation can be improved.

The invention has the following advantages: the liquid injection needle is preassembled, so that the use is convenient, the workload of medical staff is reduced, and the phenomenon that the liquid injection needle does not conform to aseptic operation standards is not easy to generate; the sealing gasket is designed to seal the liquid spraying needle on the preassembly, so that the leakage phenomenon can be avoided, and the liquid spraying needle is not easy to damage; the push rod can be folded to the parcel in the radial both sides of a section of thick bamboo of moulding plastics, has not only shortened the length of prefabricated formula flusher and the push rod can play and carry out the effect of protecting to the injection tube, the push rod warp and does not influence the use, and a section of thick bamboo damage of moulding plastics warp then can lead to the push plug can not remove and influence the use, because the push rod is foldable to carry out the storage, the volume of moving inwards of push rod when following the push plug axial extrusion push rod this moment is few to make normal saline be difficult to produce the leakage.

Drawings

FIG. 1 is a schematic view of the present invention as the ram is wrapped onto the barrel;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a left side schematic view of FIG. 1;

FIG. 4 is a schematic view of the present invention with the ram rotated in vertical preparation for pushing the ram;

fig. 5 is a left side view of fig. 4.

In the figure: the cleaning liquid injection device comprises an injection tube 1, a push plug 2, a cleaning liquid storage cavity 3, a liquid outlet nozzle 4, a liquid injection needle 5, a sealing film 6, a connecting protrusion 7, a threaded section 8, a smooth section 9, a sealing gasket 10, a sealing air cavity 11, a disinfectant bag 12, a connecting sleeve 13, a puncture head 14, an internal channel 15, a sealing plug 16, a half part 17, a push rod part hinge shaft 18, a piston part connecting lug 19, a push rod part connecting lug 20, an end face 21 of the injection tube, a protection block 22, a protection ring 23, an anti-contact gap 24, a push rod part limiting face 25, an avoidance inclined face 26 and a protection cover 27.

Detailed Description

The invention is further described with reference to the following figures and examples.

Referring to fig. 1 to 5, a membrane-insulated sterile storage syringe comprises a barrel 1. The inside of the injection tube is hermetically and slidably connected with a push plug 2. The push plug is connected with a push rod, and the push plug separates a cleaning fluid storage cavity 3 in the injection tube. And a liquid outlet nozzle 4 is arranged at one end of the cleaning liquid storage cavity far away from the push plug. The cleaning liquid storage cavity is filled with cleaning liquid which is physiological saline. The liquid outlet nozzle is connected with a liquid spraying needle 5. The liquid spraying needle is of a linear structure. The liquid outlet nozzle is sealed by a sealing film 6. The injection tube is provided with a connecting bulge 7. The liquid outlet nozzle is arranged on the connecting bulge. The connecting projection is provided with a thread section 8 and a smooth section 9. The smooth surface section is a conical mechanism. The thread section is positioned between the smooth section and the injection cylinder. The protective cover is screwed on the thread section and connected with the injection molding barrel. The protective cover is connected with the injection cylinder in a sealing mode through a sealing gasket 10 to form a sealing air cavity 11. The protective cover is provided with a disinfectant bag 12. The air pressure in the sealed air cavity is greater than the pressure in the disinfection bag. The protective cap 27 is positioned over the junction of the threaded section and the smooth section, and the spray needle is inserted into the sterilization wrap. One end of the liquid spraying needle is provided with a connecting sleeve 13, and the other end is inserted into the disinfectant bag. The liquid spraying needle is connected on the liquid outlet nozzle in a sealing and sliding manner through a connecting sleeve. A puncturing head 14 which is aligned with the outlet hole of the liquid outlet nozzle and is used for puncturing the sealing film is arranged in the connecting sleeve. The puncture head is of a tubular structure. The lance is in alignment and communication with the interior passage 15 of the liquid injection needle. A sealing plug 16 capable of ejecting the liquid spray needle is connected in a sealing and sliding manner in the inner channel of the liquid spray needle.

The plunger comprises two halves 17 distributed in the radial direction of the syringe. The half parts are hinged with the push plug through a hinge structure. The hinge structure includes a push rod part hinge shaft 18, a piston part coupling lug 19 coupled to the piston, and a push rod part coupling lug 20 coupled to the half parts. The piston part connecting lug and the push rod part connecting lug are rotatably connected together through a push rod part hinge shaft. In the process of storage and transportation, the half parts rotate to be folded on the outer peripheral surface of the injection tube by taking the push rod part hinge shaft as a shaft, and at the moment, the push rod part connecting lug is hooked on the end surface 21 of the injection tube, so that the push plug cannot be pushed towards the section where the liquid injection needle is located. The surfaces of two sides of the half part perpendicular to the direction of the hinge shaft of the push rod part are cambered surfaces, and when the half part is folded on the injection molding cylinder, the injection molding cylinder is arranged in the half part in a penetrating way. The end of the half remote from the hinge is provided with two guard blocks 22. When the half parts are folded on the peripheral surface of the injection cylinder (namely, in the state of figure 1), the two protection blocks on the two half parts are butted together in a one-to-one correspondence manner to form a protection ring 23 sleeved outside the injection cylinder. The protective ring is a circular ring. When the half part rotates to be distributed with the push plug along the axial direction of the injection molding cylinder and is inserted into the injection molding cylinder, the two circumferential ends of the half part and the injection molding cylinder are provided with anti-contact gaps 24. The contact prevention gap is less than 2 mm. The push plug is provided with a push plug part limiting surface. And a push rod part limiting surface 25 is arranged on the end surface of one end of the half part connected with the hinge structure. When the half parts rotate to the limit surface of the push plug part and the limit surface of the push rod part are abutted together, the extending direction of the push rod is parallel to the axis of the push plug, and the two half parts are in line contact and abutted together. An avoiding inclined surface 26 is arranged between the end surface of one end of the half part connected with the hinge structure and the circumferential surface of the half part, and is used for preventing the two half parts from being abutted and abutted together when the half part is rotated so as to prevent the half part from rotating to be abutted and abutted together with the push plug.

When water needs to be sprayed, the two half parts forming the push rod rotate to be perpendicular to the push plug (namely the state in fig. 4), the protective cover is taken down, the length of the spray needle sleeved on the liquid outlet nozzle is increased, the puncture head punctures the sealing membrane, the push rod is pushed, so that the push plug sprays the physiological saline from the liquid discharge channel of the liquid spray needle to discharge the sealing plug, and finally, the liquid spray needle is aligned with an object to be cleaned, and the physiological saline in the injection cylinder is further sprayed to clean the object.

Claims

1. A membrane isolation disinfection storage flusher comprises an injection tube, a push plug is connected in the injection tube in a sealing and sliding way, the push plug is connected with a push rod, the push plug separates a cleaning fluid storage cavity in the injection tube, a liquid outlet nozzle is arranged at one end of the cleaning liquid storage cavity far away from the push plug, cleaning liquid is filled in the cleaning liquid storage cavity, it is characterized by also comprising a liquid spraying needle with a linear structure, the liquid outlet nozzle is sealed by a sealing film, the injection tube is connected with a protective cover covering the liquid injection needle, the protective cover is provided with a disinfectant bag, one end of the liquid spraying needle is provided with a connecting sleeve, the other end of the liquid spraying needle is inserted into the disinfectant bag, the liquid spraying needle is connected on the liquid outlet nozzle in a sealing and sliding way through the connecting sleeve, and a puncturing head which is aligned with the outlet hole of the liquid outlet nozzle and is used for puncturing the sealing film is arranged in the connecting sleeve.

2. The membrane-isolated, sterile storage flusher of claim 1 wherein said spike is tubular in configuration, said spike being in communication with said internal passage of said spray needle in alignment therewith.

3. The membrane-isolated sterilization storage syringe of claim 1 or 2, wherein the injection tube is provided with a connection protrusion, the liquid outlet nozzle is disposed on the connection protrusion, the connection protrusion is provided with a threaded section and a smooth section, the threaded section is located between the smooth section and the injection tube, and the protective cover is sleeved on the connection position of the threaded section and the smooth section, so that the liquid injection needle is already inserted into the sterilization bag.

4. The membrane-isolated sterilization storage flusher of claim 3 wherein said protective cover is sealingly connected to said injection molding cartridge to form a sealed air chamber, the air pressure within said sealed air chamber being greater than the pressure within said sterilization wrap.

5. The membrane-isolated sterilizing storage syringe as claimed in claim 1, wherein the push rod comprises two halves extending in a radial direction of the syringe, the halves being hinged to the plunger by a hinge structure, the hinge structure comprising a push rod hinge, a piston engaging lug connected to the piston, and a push rod engaging lug connected to the halves, the piston engaging lug and the push rod engaging lug being rotatably connected by the push rod hinge, the halves being rotatable about the push rod hinge to be folded around the outer circumferential surface of the syringe.

6. The membrane-isolated sterilizing storage flusher of claim 5, wherein two protection blocks are arranged at one end of each half part away from the hinge structure, and when the half parts are folded on the outer peripheral surface of the injection cylinder, the two protection blocks on the two half parts are abutted together in a one-to-one correspondence manner to form a protection ring sleeved outside the injection cylinder; when the half parts rotate to be folded on the peripheral surface of the injection cylinder by taking the push rod part hinge shaft as a shaft, the push rod part connecting lug is hooked on the end surface of the injection cylinder.

7. The membrane-isolated sterilizing storage flusher of claim 4 wherein the two side surfaces of said half portion perpendicular to the hinge axis direction of said push rod portion are both cambered surfaces, and said half portion is inserted into said half portion when said half portion is folded on said injection cylinder.

8. The membrane-isolated sterilization storage syringe of claim 7, wherein when the half-part is rotated to be axially distributed with the plunger along the injection cylinder and inserted into the injection cylinder, a contact prevention gap is provided between both circumferential ends of the half-part and the injection cylinder, and the contact prevention gap is less than 2 mm.

9. The membrane-isolated sterilizing storage flusher of claim 4, wherein a plunger portion limiting surface is arranged on the plunger, a push rod portion limiting surface is arranged on an end surface of one end of the half portion connected with the hinge structure, and when the half portion rotates to enable the plunger portion limiting surface to abut against the push rod portion limiting surface, the extending direction of the push rod is parallel to the axis of the plunger.

10. The membrane-isolated, sterile storage flusher of claim 9 wherein said halves are rotated until said plunger portion stop surface abuts said plunger portion stop surface, said halves abutting together in line contact.