CN214074538U - Antifouling device for positive pressure connector of medical remaining needle - Google Patents

Abstract

The utility model discloses a medical positive pressure joint antifouling device for remaining needle, which comprises a connecting pipe, a remaining pipe, a fixed pipe, an input pipe, an isolating mechanism, a clearing mechanism and a fastening mechanism, wherein the remaining pipe is sleeved at the bottom of the connecting pipe, the fixed pipe is fixedly connected at the bottom of the remaining pipe, the input pipe is inserted at the bottom of the remaining pipe and is positioned inside the fixed pipe, the medical positive pressure joint antifouling device for remaining needle has reasonable structural design, realizes the effect of continuously disinfecting the interface of the positive pressure joint, fundamentally avoids the phenomenon that the liquid medicine is polluted due to the attachment of external bacteria, effectively reduces the operation steps of nurses, improves the working efficiency, is further convenient to use, and completely filters suspicious pollution sources such as microorganism, bacteria, viruses, dust, particulate matters and the like contained in the liquid medicine, effectively improves the safety, reliability and effectiveness of the liquid medicine.

Description

Antifouling device for positive pressure connector of medical remaining needle

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a positive pressure connector antifouling device for a medical remaining needle.

Background

The wide application of needle is kept somewhere to vein, the misery that not only significantly reduced the patient and need puncture repeatedly in the long-term treatment and cause has also alleviateed nursing work load, and the clinical medicine of being convenient for is used, and urgent, critical patient's rescue is used medicine, alleviates nurse's work load, reduces patient's pain, especially has the vein to keep somewhere the needle that the malleation connects, need not to use the syringe needle to avoid medical personnel to be pricked by the syringe needle, and then ensured nursing staff's personal safety.

Because the malleation connects and need carry out repetitious usage usually, so the nurse is carrying out the in-process of changing dressings to the patient, need to adjust the kneck of malleation joint and carry out disinfection treatment, adopt the manual work to utilize 70% -75% alcohol to clean the kneck of malleation joint among the prior art usually, and insert infusion system after waiting for alcohol evaporation, not only the actual operation step is too loaded down with trivial details, the bacterium that makes in the external environment in the evaporation process easily takes place the phenomenon of adhering to simultaneously, thereby cause the phenomenon of liquid medicine pollution, and malleation connects because repetitious usage adheres to microorganism etc. on its surface easily, and then fuse with the liquid medicine, current malleation connects and does not possess the effect of carrying out the filtration to the liquid medicine, greatly reduced the security and the validity of liquid medicine, for this we have provided a medical antifouling device of malleation joint of remaining needle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical antifouling device of needle malleation joint of keeping somewhere, in order to solve the in-process that the nurse is changing dressings to the patient that has proposed in the above-mentioned background art, need adjust the kneck of crimping joint and carry out disinfection treatment, adopt artifical 70% -75% alcohol of utilizing to clean the kneck of malleation joint among the prior art usually, and insert infusion system after waiting for the alcohol evaporation, not only the actual operation step is too loaded down with trivial details, make the bacterium in the external environment take place the adhesion phenomenon easily in the evaporation process simultaneously, and the malleation joint is because repetitious usage is easy at its surface adhesion microorganism etc. and then fuses with the liquid medicine, current malleation joint does not possess the problem of carrying out filterable effect to the liquid medicine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medical antifouling device of needle malleation joint of keeping somewhere, includes the connecting pipe, persists the pipe, fixed pipe, input tube, isolator mechanism, clearance mechanism and fastening device, it cup joints to persist the pipe the bottom of connecting pipe, fixed pipe fixed connection is in persist the bottom of pipe, the input tube is pegged graft persist the bottom of pipe, and is located the inside of fixed pipe, isolator mechanism fixed connection is in persist the inner chamber of pipe, clearance mechanism fixed connection is in the inner chamber of input tube, fastening device fixed connection is in the inside wall of fixed pipe.

Preferably, the inner side wall of the connecting pipe is bonded with a cleaning piece, and the cleaning piece is filled medical absorbent cotton.

Preferably, the connecting pipe, the reserve pipe, and the fixing pipe are each in a cylindrical shape, and the input pipe is in a truncated cone shape.

Preferably, the connecting tube, the remaining tube, the fixing tube and the input tube are all made of medical grade polyvinyl chloride material of the medical remaining needle positive pressure joint anti-fouling device.

Preferably, the isolation mechanism comprises a polyether sulfone membrane and a cellulose filter membrane, the polyether sulfone membrane is fixedly connected to the upper side of the inner side wall of the reserved pipe, and the cellulose filter membrane is fixedly connected to the lower side of the inner side wall of the reserved pipe.

Preferably, the clearing mechanism comprises a nuclear track membrane and an ionic membrane, the nuclear track membrane is fixedly connected to the upper side of the inner side wall of the input pipe, and the ionic membrane is fixedly connected to the lower side of the inner side wall of the input pipe.

Preferably, the fastening mechanism comprises a thread groove and a sponge body, the thread groove is formed in the inner side wall of the fixed pipe, and the sponge body is bonded on the inner side wall of the fixed pipe and located on the lower side of the thread groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this medical antifouling device of needle malleation joint of remaining, use through fastening device, the cavernosum through in the fastening device adsorbs 70% -75% alcohol, when utilizing the thread groove to adjust the crimping head and carry out threaded connection, the cavernosum atress carries out the shrink, thereby extrude its inside alcohol and soak the kneck that connects at the malleation, and then the realization is adjusted the kneck of crimping head and is carried out the effect of continuous disinfection, fundamentally avoids taking place the attached to of outside bacterium and leads to the contaminated phenomenon of liquid medicine, make nurse's operation step obtain effectively reducing simultaneously, and the work efficiency is improved, further facilitate the use.

2. This antifouling device of needle malleation joint is kept somewhere in medical use, use through the cooperation of isolation mechanism and clearance mechanism, utilize polyether sulfone membrane and cellulose filter membrane in the isolation mechanism earlier to carry out the first filtration to the liquid medicine at the injection in-process, the nuclear track membrane and the ionic membrane in the clearance mechanism of reuse carry out the second filtration to the liquid medicine at the injection in-process, fundamentally filters completely suspicious pollution sources such as the microorganism, bacterium, virus, dust and particulate matter that contain in the liquid medicine, the security, the reliability and the validity of liquid medicine have effectively been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is an enlarged cross-sectional view of part A of the present invention;

fig. 4 is an enlarged cross-sectional view of the part B of the present invention.

In the figure: 100. a connecting pipe; 110. a cleaning member; 200. a retention tube; 300. a fixed tube; 400. an input tube; 500. an isolation mechanism; 510. a polyethersulfone membrane; 520. a cellulose filtration membrane; 600. a clearing mechanism; 610. a nuclear track membrane; 620. an ionic membrane; 700. a fastening mechanism; 710. a thread groove; 720. a sponge body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a positive pressure joint antifouling device for a medical indwelling needle, which fundamentally avoids the phenomenon that liquid medicine is polluted due to the attachment of external bacteria, and completely filters suspicious pollution sources such as microorganisms, bacteria, viruses, dust and particulate matters contained in the liquid medicine, please refer to fig. 1-4, and comprises a connecting pipe 100, a storage pipe 200, a fixed pipe 300, an input pipe 400, an isolation mechanism 500, a clearing mechanism 600 and a fastening mechanism 700;

referring again to fig. 1-4, a connector 100 is provided for connecting the device to an external infusion system;

referring to fig. 1 to 4 again, the reserve pipe 200 is sleeved at the bottom of the connection pipe 100, and the reserve pipe 200 is used for fixing the connection pipe 100 and the input pipe 400;

referring to fig. 1 to 4 again, the fixing tube 300 is fixedly connected to the bottom of the reserve tube 200, and the fixing tube 300 is used for fixing the reserve tube 200;

referring to fig. 1 to 4 again, the input tube 400 is inserted into the bottom of the reserve tube 200 and located inside the fixed tube 300, and the input tube 400 is used for completely transmitting the liquid medicine into the positive pressure connector;

referring again to fig. 1-4, the isolation mechanism 500 is fixedly connected to the inner cavity of the retention tube 200, and the isolation mechanism 500 is used for filtering the liquid medicine for the first time;

referring again to fig. 1-4, the cleaning mechanism 600 is fixedly connected to the inner cavity of the input tube 400, and the cleaning mechanism 600 is used for filtering the liquid medicine for the second time;

referring again to fig. 1-4, a fastening mechanism 700 is fixedly attached to the inner sidewall of the stationary tube 300, and the fastening mechanism 700 is used to continuously sterilize the interface of the alignment crimp head.

Referring to fig. 2 again, in order to effectively prevent external impurities from falling into the connection tube 100 and improve the working efficiency of the device, the cleaning member 110 is adhered to the inner sidewall of the connection tube 100, and the cleaning member 110 is a filling type medical absorbent cotton.

Referring to fig. 1-2 again, in order to enhance the practical use effect of the present apparatus, the connecting tube 100, the holding tube 200 and the fixing tube 300 are all cylindrical in shape, and the input tube 400 is truncated cone in shape.

Referring to fig. 2 again, in order to improve the safety of the connecting tube 100, the remaining tube 200, the fixing tube 300 and the input tube 400, the connecting tube 100, the remaining tube 200, the fixing tube 300 and the input tube 400 are made of a medical grade polyvinyl chloride material of the anti-fouling device of the positive pressure connector of the medical indwelling needle.

Referring to fig. 2 again, in order to filter the liquid medicine for the first time and effectively improve the safety and reliability of the liquid medicine, the isolation mechanism 500 includes a polyethersulfone membrane 510 and a cellulose filter membrane 520, the polyethersulfone membrane 510 is fixedly connected to the upper side of the inner sidewall of the storage tube 200, and the cellulose filter membrane 520 is fixedly connected to the lower side of the inner sidewall of the storage tube 200.

Referring to fig. 3 again, in order to perform the second filtering on the liquid medicine and further improve the safety and reliability of the liquid medicine, the removing mechanism 600 includes a nuclear pore membrane 610 and an ionic membrane 620, the nuclear pore membrane 610 is fixedly connected to the upper side of the inner sidewall of the input tube 400, and the ionic membrane 620 is fixedly connected to the lower side of the inner sidewall of the input tube 400.

Referring to fig. 4 again, in order to continuously sterilize the interface of the crimping head and improve the use efficiency of the device, the fastening mechanism 700 includes a thread groove 710 and a sponge body 720, the thread groove 710 is formed on the inner sidewall of the fixing tube 300, and the sponge body 720 is adhered to the inner sidewall of the fixing tube 300 and located under the thread groove 710.

When in specific use, the device is taken out from a clean packaging bag by a person in the technical field before infusion, firstly, the cleaning piece 110 is taken out from the connecting pipe 100 by using tweezers, meanwhile, a needle tube containing physiological saline is connected with the connecting pipe 100, the device is flushed by using a dropper, 70% -75% of alcohol is absorbed by using a dropper and then is injected into the sponge body 720 for absorption, the fixing tube 300 is sleeved at the interface of the positive pressure connector to rotate clockwise, the interface of the positive pressure connector is screwed in and fixed by using the thread groove 710, meanwhile, the sponge body 720 is extruded by stress, the alcohol in the sponge body is extruded and fully soaked at the interface of the positive pressure connector, the interface of the positive pressure connector is continuously sterilized, meanwhile, the input tube 400 presses a positive pressure valve in the positive pressure connector and keeps positive pressure effect, connect connecting pipe 100 and infusion catheter to the switch-on, the liquid medicine flows into in connecting pipe 100 through the infusion catheter, and pass polyether sulfone membrane 510 in proper order, cellulose filter membrane 520, nuclear track membrane 610 and ionic membrane 620, thereby to the pollution sources such as the bacterium that contains in the liquid medicine, the microorganism, particulate matter carry out the complete filtration, input into the pipe and pour into to the patient internal through input tube 400 liquid medicine, after the use, carry out anticlockwise rotation with fixed pipe 300 and remove this device from the kneck that the malleation connects, and carry out medical treatment to this device, accomplish the whole use to this device promptly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides a medical antifouling device of needle malleation joint that keeps somewhere which characterized in that: including connecting pipe (100), reserve pipe (200), fixed pipe (300), input tube (400), isolation mechanism (500), clearance mechanism (600) and fastening device (700), it cup joints to reserve pipe (200) the bottom of connecting pipe (100), fixed pipe (300) fixed connection be in the bottom of reserving pipe (200), input tube (400) are pegged graft the bottom of reserving pipe (200), and are located the inside of fixed pipe (300), isolation mechanism (500) fixed connection be in the inner chamber of reserving pipe (200), clearance mechanism (600) fixed connection be in the inner chamber of input tube (400), fastening device (700) fixed connection be in the inside wall of fixed pipe (300).

2. The positive pressure connector antifouling device for the medical indwelling needle according to claim 1, wherein: the inner side wall of the connecting pipe (100) is bonded with a cleaning piece (110), and the cleaning piece (110) is filled medical absorbent cotton.

3. The positive pressure connector antifouling device for the medical indwelling needle according to claim 1, wherein: the connection pipe (100), the reserve pipe (200), and the fixing pipe (300) are all cylindrical in shape, and the input pipe (400) is truncated cone in shape.

4. The positive pressure connector antifouling device for the medical indwelling needle according to claim 1, wherein: the connecting tube (100), the retention tube (200), the fixation tube (300) and the inlet tube (400) are all made of a medical grade polyvinyl chloride material.

5. The positive pressure connector antifouling device for the medical indwelling needle according to claim 1, wherein: isolation mechanism (500) include polyethersulfone membrane (510) and cellulose filter membrane (520), polyethersulfone membrane (510) fixed connection stay the inside wall upside of pipe (200), cellulose filter membrane (520) fixed connection stay the inside wall downside of pipe (200).

6. The positive pressure connector antifouling device for the medical indwelling needle according to claim 1, wherein: the clearing mechanism (600) comprises a nuclear pore membrane (610) and an ionic membrane (620), wherein the nuclear pore membrane (610) is fixedly connected to the upper side of the inner side wall of the input pipe (400), and the ionic membrane (620) is fixedly connected to the lower side of the inner side wall of the input pipe (400).

7. The positive pressure connector antifouling device for the medical indwelling needle according to claim 1, wherein: the fastening mechanism (700) comprises a thread groove (710) and a sponge body (720), the thread groove (710) is arranged on the inner side wall of the fixed pipe (300), and the sponge body (720) is bonded on the inner side wall of the fixed pipe (300) and is positioned on the lower side of the thread groove (710).

Images