CN214970307U

CN214970307U - PICC malleation connects protective sheath

Info

Publication number: CN214970307U
Application number: CN202120696056.0U
Authority: CN
Inventors: 彭梦妮
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-03
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a PICC malleation connects protective sheath, including silica gel ring, cavity PVC membrane cover, median septum, silica gel soft post, top seal and top cap, silica gel ring passes through PVC membrane cover and is connected with median septum, median septum has seted up first logical chamber, median septum upper end rigid coupling has silica gel soft post, the top surface rigid coupling of silica gel soft post has the top seal, the top seal is equipped with the second through chamber, the top seal upper end can be dismantled with the top cap and be connected, be equipped with the third through chamber in the silica gel soft post, third through chamber liquid outlet, silica gel soft post and third through chamber all are equipped with stereoplasm pressing section, be the alcohol chamber between third through chamber and the silica gel soft post, stereoplasm pressing section inner wall on the silica gel soft post and the one end rigid coupling of fixed block, the fixed block stretches out from the liquid outlet through spring coupling press the depression bar, be equipped with the sealed rubber ring on the depression bar and support the liquid outlet, press the other end rigid coupling of depression bar has the pressing plate, it will press the pressing plate cladding to be equipped with the cotton layer in the third through the depression plate, the positive pressure joint is protected to prevent pollution, and alcohol is produced after the positive pressure joint is pressed, so that the positive pressure joint is directly disinfected.

Description

PICC malleation connects protective sheath

Technical Field

The utility model belongs to the technical field of medical instrument auxiliary articles for use, concretely relates to PICC malleation connects protective sheath.

Background

With the development of infusion technology, PICC (peripherally inserted central venous catheter) is becoming more and more widely used. The PICC can protect peripheral veins from phlebitis, avoid pain of a patient caused by repeated puncture, and improve the life quality of the patient. The main problem in PICC applications is that careful and careful maintenance is required during long-term indwelling procedures, and various complications are likely to occur if the maintenance is not proper, which affects catheter use and indwelling. However, the existing positive pressure connector adopts a one-way valve structure, and is randomly exposed in the air when not in use, so that the probability of infection caused by entering the vein from the connector is increased.

SUMMERY OF THE UTILITY MODEL

Connect the direct exposure in the air to the malleation that prior art exists, the technical problem who pollutes easily, the utility model provides a PICC malleation connects protective sheath.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a PICC positive pressure joint protective sleeve comprises a silica gel ring, a hollow PVC (polyvinyl chloride) film sleeve, a hard middle partition plate, a silica gel soft column, a top seal and a top cover, wherein the inner diameter of the silica gel ring is smaller than the outer diameter of the PICC positive pressure joint, the silica gel ring is connected with the middle partition plate through the PVC film sleeve, a first through cavity is formed in the middle of the middle partition plate and communicated with the interior of the PVC film sleeve, the upper end of the middle partition plate is fixedly connected with the silica gel soft column, the top seal is fixedly connected to the top surface of the silica gel soft column, a second through cavity is formed in the middle of the top seal and communicated with the first through cavity, the upper end of the top seal is also movably connected with the top cover, and the top cover is detachably connected with the second through cavity through a locking piece; the soft silica gel column is internally provided with a third through cavity communicated with the second through cavity, the soft silica gel column and the third through cavity are respectively provided with a hard pressing section, two hard pressing sections are oppositely arranged, an alcohol cavity is arranged between the third through cavity and the soft silica gel column, alcohol is filled in the alcohol cavity, the inner wall of the hard pressing section on the soft silica gel column is fixedly connected with one end of a fixed block, the fixed block is positioned in the alcohol cavity, the other end of the fixed block is fixedly connected with a spring, the hard pressing section on the third through cavity is provided with a liquid outlet, one end of a pressing rod is arranged in the liquid outlet in a penetrating way and fixedly connected with the spring, when the spring is in a free state, a sealing rubber ring is fixedly connected to the pressing rod in the alcohol cavity and abuts against the hard pressing section on the third through cavity, and the other end of the pressing rod is fixedly connected with a pressing plate positioned in the third through cavity, the inner wall of the third through cavity is further covered with a cotton layer so as to coat the pressing plate.

Further, silica gel ring outer wall rigid coupling has a plurality of interval distribution's belt cover, wears to be equipped with the fixed band in this belt cover to the both ends of fixed band are pasted through the magic and are bonded.

Further, the inner wall of the PVC membrane sleeve is fixedly connected with a plurality of vertically distributed cotton slivers which are arranged at equal intervals.

Further, the inner wall of the first through cavity is also covered with a cotton layer.

Further, the top seal also adopts the silica gel material to make, the second leads to intracavity wall to inlay and is equipped with the plastic tubing, top seal top surface rigid coupling has the sleeve, the top cap has been seted up cup joint the hole will the sleeve cup joints including, the lower terminal surface of top cap is equipped with the card post, the locking piece includes the rigid coupling and is in bayonet socket on the plastic tubing inner wall, and set up the latch of card post outer wall, the latch joint is in the bayonet socket.

Furthermore, the third through cavity is trumpet-shaped, the end with the largest cross-sectional area is adjacent to the first through cavity, and the end with the smallest cross-sectional area is adjacent to the second through cavity.

Furthermore, a plurality of auxiliary liquid outlet channels are arranged on the outer wall of the pressing rod at the section outside the alcohol cavity, at least two auxiliary liquid outlet channels are arranged, the inlet of each auxiliary liquid outlet channel is positioned on the outer wall of the pressing rod, and the outlet of each auxiliary liquid outlet channel is positioned on the pressing plate.

To sum up, the beneficial effects of the utility model are that: the silica gel ring tightly hoops the end of the positive pressure joint fixedly connected with the hose, the PVC film sleeve and the third through cavity wrap the puncture end of the positive pressure joint, then the top cover is connected with the second through cavity, the opening or closing of the top cover can be controlled, and when the puncture is required to be connected, the top cover can be directly opened to realize the operation connection. Before opening the top cap puncture every time, press down the stereoplasm on the soft post of silica gel and press the section, press the board tightly to support positive pressure joint, the spring is compression state, move to the alcohol intracavity according to the depression bar, the liquid outlet is kept away from to sealed rubber ring, the alcohol of filling in advance in the alcohol intracavity is outwards discharged from the gap of liquid outlet with the depression bar, alcohol soaks the back with the cotton layer of third pass intracavity, the soft post of silica gel is pressed to the finger again, utilize the cotton layer that soaks the alcohol to clean puncture end and the outer wall that the malleation connects, accomplish to connect the disinfection for the malleation before the puncture, after the spring return, sealed rubber ring supports the liquid outlet, prevent that liquid from leaking outward. This protective sheath not only will expose outside malleation and connect puncture end protection including, whole protective sheath material contact skin is comparatively comfortable in addition, and the protective sheath still has alcohol in addition, need not look for disinfection alcohol in addition and come to the disinfection of puncture end, simplifies the operation flow, need not take off the protective sheath just can disinfect, can carry out anti-pollution disinfection to puncture end, further promotes the protection effect.

Drawings

Figure 1 is the utility model provides a pair of PICC malleation connects structural schematic of protective sheath.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

In the figure, 100-silica gel ring, 110-belt sleeve, 120-fixing belt, 200-PVC film sleeve, 210-cotton strip, 300-middle clapboard, 310-first through cavity, 400-silica gel soft column, 410-alcohol cavity, 420-third through cavity, 421-cotton layer, 430-hard pressing section, 440-fixing block, 450-top seal, 451-plastic tube, 460-sleeve, 500-top cover, 510-clamping column, 511-clamping tooth, 600-spring, 610-pressing rod, 611-sealing rubber ring, 612-pressing plate and 613-auxiliary liquid outlet channel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

As shown in fig. 1 and 2, the utility model provides a PICC malleation connects protective sheath, including silica gel ring 100, cavity PVC membrane cover 200, stereoplasm median septum 300, soft post 400 of silica gel, top seal 450 and top cap 500. The internal diameter of silica gel ring 100 is less than the external diameter that PICC malleation connects, silica gel ring 100 passes through PVC membrane cover 200 with median septum 300 is connected, median septum 300 middle part has been seted up first logical chamber 310 with PVC membrane cover 200 is inside to communicate with each other. The upper end of the middle partition board 300 is fixedly connected with a silica gel soft column 400, the top surface of the silica gel soft column 400 is fixedly connected with a top seal 450, and the middle part of the top seal 450 is provided with a second through cavity communicated with the first through cavity 310. The upper end of the top seal 450 is also movably connected with a top cover 500, and the top cover 500 is detachably connected with the second through cavity through a locking piece. Be equipped with in the soft post of silica gel 400 third through cavity 420 with the second through cavity communicates with each other, soft post of silica gel 400 with all be equipped with the stereoplasm on the third through cavity 420 and press section 430, two the stereoplasm is pressed section 430 and is the relative disposition. An alcohol cavity 410 is arranged between the third through cavity 420 and the silica gel soft column 400, and alcohol is filled in the alcohol cavity 410. The inner wall of the hard pressing section 430 on the silica gel soft column 400 is fixedly connected with one end of a fixing block 440, the fixing block 440 is located in the alcohol cavity 410, and the other end of the fixing block 440 is fixedly connected with a spring 600. The hard pressing section 430 on the third through cavity 420 is provided with a liquid outlet, one end of the pressing rod 610 penetrates through the liquid outlet and is fixedly connected with the spring 600, and when the spring 600 is in a free state, the pressing rod 610 at the section in the alcohol cavity 410 is further fixedly connected with a sealing rubber ring 611 which is abutted against the hard pressing section 430 on the third through cavity 420. The other end of the pressing rod 610 is fixedly connected with a pressing plate 612 which is positioned in the third through cavity 420, the inner wall of the third through cavity 420 is further covered with a cotton layer 421 so as to coat the pressing plate 612, and the axial leads of the first through cavity 310, the second through cavity and the third through cavity 420 are on the same straight line.

Structure more than adopting, this end that the positive pressure joint rigid coupling has the hose is tightly banded to silica gel ring 100, and PVC membrane cover 200 and third lead to chamber 420 including with the puncture end parcel of positive pressure joint, then have top cap 500 to be connected with the second leads to the chamber, can control opening or closing of top cap 500, when needing the puncture to connect, directly open top cap 500 can the operation connect. Before 500 punctures of top cap are opened every time, press the stereoplasm on the soft post of silica gel 400 and press section 430, press platen 612 tightly to withstand the positive pressure joint, spring 600 is compression state, move in to alcohol chamber 410 according to pressure lever 610, sealed rubber ring 611 keeps away from the liquid outlet, the alcohol of filling in advance in the alcohol chamber 410 is outwards discharged from the gap of liquid outlet with according to pressure lever 610, after alcohol soaks cotton layer 421 in third pass chamber 420, the soft post of silica gel 400 is pressed again to the finger, utilize cotton layer 421 of soaking with the alcohol to wipe the puncture end and the outer wall of positive pressure joint, accomplish to sterilize for the positive pressure joint before the puncture, after spring 600 return, sealed rubber ring 611 liquid outlet supports, prevent that liquid from leaking outward. This protective sheath not only will expose outside malleation and connect puncture end protection including, whole protective sheath material contact skin is comparatively comfortable in addition, and the protective sheath still has alcohol in addition, need not look for disinfection alcohol in addition and come to the disinfection of puncture end, simplifies the operation flow, need not take off the protective sheath just can disinfect, can carry out anti-pollution disinfection to puncture end, further promotes the protection effect.

As an optional embodiment, the outer wall of the silicone ring 100 is fixedly connected with a plurality of spaced belt sleeves 110, a fixing strap 120 is inserted into the belt sleeves 110, and two ends of the fixing strap 120 are adhered by a hook and loop fastener. PICC puts a tub from the health puncture end to the end of keeping somewhere that the malleation connects, and the pipeline is longer, utilizes the viscose to connect the human puncture end fixed back, recycles fixed band 120 with the malleation and connects protective sheath and human fixed together, further promotes long pipeline and keeps somewhere the effect of anticreep.

The inner wall of the PVC membrane sleeve 200 is fixedly connected with a plurality of vertically distributed cotton slivers 210, the cotton slivers 210 are arranged at equal intervals, and the inner wall of the first through cavity 310 is also covered with a cotton layer 421. If the liquid is too much at one time, the cotton strip 210 and the cotton layer 421 of the first through cavity 310 can absorb the liquid, and when the alcohol is too much, the liquid can be absorbed to keep the sleeve dry.

The top seal 450 is also made of a silica gel material, and a plastic pipe 451 is embedded in the inner wall of the second through cavity. The top seal 450 is fixedly connected with a sleeve 460 on the top surface, the top cover 500 is provided with a sleeve hole for sleeving the sleeve 460, and the lower end surface of the top cover 500 is provided with a clamping column 510. The locking piece includes the rigid coupling and is in bayonet socket on the plastic tubing 451 inner wall, and set up the latch 511 of card post 510 outer wall, the latch 511 joint is in the bayonet socket. The top cap is moved upward to separate the snap post 510 from the second through-cavity, and then the top cap 500 is rotated to expose the port of the second through-cavity, so that the alignment connector can be punctured and connected.

Third through cavity 420 is the loudspeaker form, the biggest one end of cross-sectional area with first through cavity 310 borders on, the minimum one end of cross-sectional area with second through cavity borders on, and the shape that more laminates the malleation and connects is convenient for the inner chamber holding malleation and connects.

The outer wall of the pressing rod 610 at the section outside the alcohol cavity 410 is provided with a plurality of auxiliary liquid outlet channels 613, at least two auxiliary liquid outlet channels 613 are arranged, the inlet of each auxiliary liquid outlet channel 613 is positioned on the outer wall of the pressing rod 610, the outlet of each auxiliary liquid outlet channel 613 is positioned on the pressing plate 612, and the pressing plate 612 is arc-shaped and can be more attached to the shape of a positive pressure joint, so that the occupation of the inner space of the third through cavity 420 is reduced. When the alcohol in the alcohol cavity 410 is less and less, the auxiliary liquid outlet channel 613 is used for discharging liquid, and when the alcohol in the alcohol cavity 410 is less, the auxiliary liquid outlet channel helps the liquid to flow out and reduce residues.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. The utility model provides a PICC malleation joint protective sheath which characterized in that: the silicon rubber ring is connected with the middle partition plate through the PVC film sleeve, a first through cavity is formed in the middle of the middle partition plate and communicated with the interior of the PVC film sleeve, the soft silica gel column is fixedly connected to the upper end of the middle partition plate, the top seal is fixedly connected to the top surface of the soft silica gel column, a second through cavity is formed in the middle of the top seal and communicated with the first through cavity, the top seal is movably connected to the upper end of the top seal, and the top cover is detachably connected with the second through cavity through a locking piece; the soft silica gel column is internally provided with a third through cavity communicated with the second through cavity, the soft silica gel column and the third through cavity are respectively provided with a hard pressing section, two hard pressing sections are oppositely arranged, an alcohol cavity is arranged between the third through cavity and the soft silica gel column, alcohol is filled in the alcohol cavity, the inner wall of the hard pressing section on the soft silica gel column is fixedly connected with one end of a fixed block, the fixed block is positioned in the alcohol cavity, the other end of the fixed block is fixedly connected with a spring, the hard pressing section on the third through cavity is provided with a liquid outlet, one end of a pressing rod is arranged in the liquid outlet in a penetrating way and fixedly connected with the spring, when the spring is in a free state, a sealing rubber ring is fixedly connected to the pressing rod in the alcohol cavity and abuts against the hard pressing section on the third through cavity, and the other end of the pressing rod is fixedly connected with a pressing plate positioned in the third through cavity, the inner wall of the third through cavity is further covered with a cotton layer so as to coat the pressing plate.

2. The PICC positive pressure joint protective sheath of claim 1, wherein: the outer wall of the silica gel ring is fixedly connected with a plurality of belt sleeves distributed at intervals, fixing belts are arranged in the belt sleeves in a penetrating mode, and the two ends of each fixing belt are adhered through magic tapes.

3. The PICC positive pressure joint protective sheath of claim 1, wherein: the PVC film sleeve is characterized in that a plurality of vertically distributed cotton slivers are fixedly connected to the inner wall of the PVC film sleeve, and the plurality of cotton slivers are arranged at equal intervals.

4. The PICC positive pressure joint protective sheath of claim 1, wherein: the inner wall of the first through cavity is also covered with a cotton layer.

5. The PICC positive pressure joint protective sheath of claim 1, wherein: the top seal also adopts silica gel material to make, the second through-cavity inner wall inlays and is equipped with the plastic tubing, top seal top surface rigid coupling has the sleeve, the top cap has been seted up cup joint the hole will the sleeve cup joints including, the lower terminal surface of top cap is equipped with the card post, the locking piece includes the rigid coupling and is in bayonet socket on the plastic tubing inner wall, and setting are in the latch of card post outer wall, the latch joint is in the bayonet socket.

6. The PICC positive pressure joint protective sheath of claim 1, wherein: the third through cavity is trumpet-shaped, the end with the largest cross-sectional area is adjacent to the first through cavity, and the end with the smallest cross-sectional area is adjacent to the second through cavity.

7. The PICC positive pressure joint protective sheath of claim 1, wherein: the outer wall of the pressing rod at the section outside the alcohol cavity is provided with a plurality of auxiliary liquid outlet channels, at least two auxiliary liquid outlet channels are arranged, the inlet of each auxiliary liquid outlet channel is positioned on the outer wall of the pressing rod, and the outlet of each auxiliary liquid outlet channel is positioned on the pressing plate.