CN213822709U - Disposable sterilizing bag for titanium head of peritoneal dialysis tube - Google Patents
Disposable sterilizing bag for titanium head of peritoneal dialysis tube Download PDFInfo
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- CN213822709U CN213822709U CN202022509014.XU CN202022509014U CN213822709U CN 213822709 U CN213822709 U CN 213822709U CN 202022509014 U CN202022509014 U CN 202022509014U CN 213822709 U CN213822709 U CN 213822709U
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- titanium head
- peritoneal dialysis
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- dialysis tubing
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Abstract
A disposable titanium head sterilization bag for peritoneal dialysis tubing, comprising: the titanium head enters an inner cavity of the bag body through the bag opening; the inner cavity of the bag body contains disinfectant, and the disinfectant is suitable for immersing a titanium head inserted into the inner cavity; the bag mouth comprises a sealing assembly which is suitable for being in sealing joint with the outer wall of a hose connected with the titanium head and preventing disinfectant from flowing out. The disinfection bag is made into an integral type, does not need a cover body used in a matching way, has a compact structure and is convenient to distribute and use; the titanium head can be conveniently and reliably disinfected without manually holding the disinfectant bottle.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to a disposable disinfection bag of peritoneal dialysis pipe titanium head.
Background
Currently, a part of the peritoneal dialysis tubing segment is located in the patient, another part of the peritoneal dialysis tubing segment extends outwards from the patient, and the outwards extending end is provided with a titanium head for connecting with the device tubing segment (external short tube) of the peritoneal dialysis tubing and then connecting with an external peritoneal dialysis device. The abdominal tube segment and titanium head are permanent indwelling devices, while the device tube segment needs to be replaced frequently, for example, periodically every 6 months, or in an emergency.
The titanium head is disconnected from the device tubing section by the operator when the device tubing section is replaced, and then placed in a sterile liquid bottle and soaked for sterilization for more than 5 minutes, sufficiently sterilizing the titanium head to avoid any possibility of contaminating the patient's abdominal cavity via the abdominal tubing section.
During soaking disinfection, in order to ensure that the titanium head is reliably soaked in the disinfectant, the titanium head is not separated from the disinfectant and the overhung section is prevented from being excessively immersed, an operator needs to hold the disinfectant bottle by hand and keep the disinfectant bottle basically unmoved during the soaking disinfection. The titanium head needs to be kept in a relatively fixed and unchangeable posture for a long time, operation burden is caused to an operator, the operation is inconvenient, and insufficient disinfection of the titanium head is easily caused by the phenomena of shaking, shaking or sprinkling of disinfectant and the like.
SUMMERY OF THE UTILITY MODEL
Purpose of the utility model
In order to solve the problem of inconvenient titanium head disinfection operation of the peritoneal dialysis catheter, the utility model provides a disposable titanium head disinfection bag of the peritoneal dialysis catheter.
Technical scheme
The technical scheme of the utility model includes:
disposable disinfection bag of peritoneal dialysis pipe titanium head includes:
the titanium head enters an inner cavity of the bag body through the bag opening; the inner cavity of the bag body contains disinfectant, and the disinfectant is suitable for immersing a titanium head inserted into the inner cavity; the bag mouth comprises a sealing assembly which is suitable for being in sealing joint with the outer wall of a hose connected with the titanium head and preventing disinfectant from flowing out.
Preferably, the sealing assembly comprises a shroud assembly and a closure assembly, wherein the shroud assembly comprises first and second shroud members which enclose and circumferentially sealingly engage the hose outer wall with one another when the bag mouth is closed about the hose outer wall; the closure assembly includes a first closure and a second closure that cooperate to seal the mouth of the bag when the mouth of the bag is closed about the outer wall of the hose.
Preferably, the first surrounding pipe fitting and the second surrounding pipe fitting both comprise a semicircular shape and are fixedly arranged on the inner wall of the bag opening; first closure and second closure are including setting up sand grip and the recess at the sack inner wall relatively, sand grip and recess shape looks adaptation form sealed through mutually supporting.
Preferably, the first and second tubular enclosing members comprise silicone, rubber or felt.
Preferably, the sealing assembly comprises two closure assemblies and a shroud assembly located between the two closure assemblies.
Preferably, the seal assembly comprises two sets, thereby forming a two-stage seal around the hose and a two-stage seal of the bag mouth.
Preferably, a film for blocking the flow of the disinfectant is arranged between the inner cavity of the bag body and the bag opening, so that the disinfectant is packaged in the inner cavity of the bag body, and the film at least comprises a thinning area positioned in the center of the bottom.
Preferably, the periphery of the film is heat-press bonded to the sealing structure of the neck of the pouch body and has a bottom portion sinking toward the bottom of the pouch body.
Preferably, the thinned area is broken by being pressed by the titanium head, so that the titanium head enters the disinfection liquid cavity for soaking disinfection.
Preferably, the bag body comprises a bottom sheet forming the bottom, said bag body comprising a bottom sheet for the bag body to stand up, the peripheral edges of the bottom sheet being turned down and forming a downwardly extending heat seal with the inside of the bottom edge of the side sheets.
Preferably, the inner surface of the bottom sheet forms a film breaking structure, and the thinned region is broken by being pressed by the film breaking structure, so that the sterilizing liquid flows out of the sterilizing liquid cavity to soak the titanium head.
Preferably, the bag mouth further comprises a pipe clamp for temporarily blocking a liquid passage in the hose, the pipe clamp being disposed above the sealing assembly.
Preferably, the pipe clamp comprises a first clamping portion and a second clamping portion formed on the side sheets and respectively, one end of the first clamping portion and one end of the second clamping portion are connected with each other, the other end of the first clamping portion and the other end of the second clamping portion are connected with each other in an operable manner, and the two ends of the first clamping portion and the second clamping portion are connected with each other so as to block a liquid passage in the hose between the first clamping portion and the second clamping portion.
Preferably, in a state that two ends of the first clamping part and the second clamping part are connected with each other, matching surfaces between the first clamping part and the second clamping part are abutted against each other or the distance between the matching surfaces is less than 2 times of the wall thickness of the hose.
Preferably, at least one region of the bag body is made of a transparent material so that the titanium head is immersed in the sterilizing liquid to be observed from the outside.
The disposable disinfection bag of the utility model can sterilize the titanium head fast and efficiently, and has good disinfection effect.
The disposable disinfection bag of the utility model has no requirement on the body position of an operator, and is convenient for the operator to use; the design is light, and the using amount of the disinfectant is reduced; the problems of insufficient titanium head disinfection, clothes pollution and the like caused by shaking, shaking or disinfectant sprinkling and the like are avoided.
The sterilization bag is sealed by heat sealing of self materials, a cover body used in a matched manner is not needed, the structure is compact, and distribution and use are convenient; the disinfectant bottle is not required to be manually held, the titanium head can be conveniently and reliably disinfected, the auxiliary time for an operator to pay for disinfecting the titanium head is saved, the nursing efficiency is improved, and the use feeling of a patient is also improved.
The disinfection bag includes the disinfection sap cavity that independently holds the antiseptic solution, and before titanium head inserted the target in place, disinfection sap cavity and external world keep apart, and the antiseptic solution can not flow from the centre, makes things convenient for single, the one-hand operation of operator.
Drawings
The present invention will be described in detail with reference to the following drawings;
FIG. 1 is a schematic structural view of a titanium head;
FIG. 2 is a schematic view of a disposable sterilization bag according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a top view of a disposable sterilizing bag according to a preferred embodiment of the present invention, partially enlarged and opened;
fig. 4 shows a schematic view of the disposable sterilizing bag of the preferred embodiment of the present invention, which is partially enlarged from the top view after being engaged with the flexible tube.
Fig. 5 shows a side cross-sectional view of a preferred embodiment of the invention.
Fig. 6 shows a side cross-sectional view of another preferred embodiment of the invention. .
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
FIG. 1 shows a titanium alloy connector (titanium head for short) 300 for connection to a peritoneal main catheter, which comprises a threaded connection section 301, a straight-wall outer contour section 302 and a reduced section 303; wherein, at the necking section 303, the peritoneal tube section of the peritoneal dialysis catheter, i.e. the flexible tube 200, is connected. The diameter of the straight-walled outer profiled section 302 is larger than the outer diameter of the hose 200 to which it is connected. The straight-wall outer contour section is circumferentially distributed with a plurality of flat tangent planes 304, and the flat tangent planes extend from the straight-wall outer contour section to a part of the reducing section 303 and are naturally tangent with the conical surface of the reducing section 303.
In the disinfection treatment for the titanium head, the threaded connection section 301 is a core disinfection area, and in order to ensure that the core disinfection area is sufficiently sterilized and avoid adjacent infection, the part of the straight-wall outer contour section 302 close to the threaded connection section 301 should be sufficiently disinfected.
Fig. 2 shows a schematic view of the structure of a disposable sterilization bag according to the first embodiment of the present invention. The disposable sterilization bag 100 comprises a bag body 101, wherein the bag body comprises two side sheets 101a and 101b with the same shape, and is manufactured by thermally pressing and bonding the edges of the sheets, and the sheets are made of thickened plastic or aluminum foil. The whole forms a cavity with a preset volume, and the cavity is suitable for containing 8-12 ml of liquid. When in actual use, 3-5 ml of liquid is filled in the disinfection bag.
Specifically, the shape of the sheet is a letter-convex. The head 102 is positioned at the top end of the convex shape, and a neck 103 is arranged between the bag body 101 and the head 102.
Specifically, a tearable opening 104 is formed in at least one of opposite side edges of the head portion 102 of the bag body. After tearing, the head 102 is separated from the bag 101 and the neck 103 forms an open mouth. The caliber of the bag mouth is suitable for the titanium head to pass through from top to bottom.
The inner surface of neck 103 is provided with a sealing engagement assembly around the circumference for sealingly engaging the inner wall of neck 103 with the outer wall of hose 200 after the titanium head has been threaded through the mouth of the bag.
In the embodiment shown in fig. 2, the seal engaging assembly comprises two segments of closure assemblies 105, 106 and a shroud assembly 107 therebetween. Wherein the closing assembly is suitable for closing and opening the bag mouth through operation; the shroud assembly is adapted to provide sealing engagement between the mouth of the bag and the hose 200.
Fig. 3 and 4 show enlarged partial views of this embodiment as viewed downwardly from the open mouth of the bag. FIG. 3 is a schematic view of a disposable sterilization bag according to a preferred embodiment of the present invention, showing the closure assemblies 105 and 106 in an open state, from a top view, partially enlarged, to facilitate the insertion and removal of a titanium head into and from the sterilization bag; fig. 4 is a schematic diagram of the disposable sterilizing bag of the preferred embodiment of the present invention showing the sealing strip assemblies 105 and 106 closed, and showing the closed state of the bag body in which the closed space for sterilizing the titanium head is formed.
As can be seen in connection with fig. 2, 3 and 4, the closure assembly is a sealing strip assembly comprising cooperating sealing beads 105a, 106a and sealing grooves 105b, 106b provided on the inner walls of the necks 103a and 103b, respectively. The seal assemblies 105 and 106 are spaced apart by a distance equal to or slightly less than 3.14 r, where r is the radius of the outer wall of the peritoneal dialysis tubing.
In the spacing region between the two seal strip assemblies, the inner surfaces of the two opposite sheets are respectively provided with semi-cylindrical elastic seal rings 107a and 107b, which together form a surrounding pipe assembly 107. Specifically, the elastic seal ring is made of felt, rubber or silicone material capable of holding a semi-cylindrical shape, preferably silicone. It can be seen that 3.14 × r elastomeric seals 107a and 107b just encircle the hose 200 around its circumference, with the remainder of the mouth being sealed by means of a sealing strip assembly.
After the tip is inserted into the bag and immersed in the iodophor solution, the operator presses the sealing strip assemblies 105 and 106 relatively to form a bag mouth seal, and the elastic sealing rings 107a and 107b enclose the flexible tube 200 and form a seal between the flexible tubes, so that the liquid in the bag body is prevented from leaking out from the outer wall of the peritoneal dialysis catheter.
When the titanium head is taken out, the sheets at the lower part or the upper part of the bag opening are pulled outwards to disengage the convex strips 105a and 106a of the sealing strip assemblies 1051 and 1052 from the concave grooves 105b and 106b, and no extra tool is needed for pressing or separating.
In an alternative embodiment, the seal engaging assembly comprises two sets, thereby forming a two-stage seal around the hose and forming a two-stage seal of the bag mouth.
Fig. 5 shows a longitudinal section along the longitudinal centre line of a preferred embodiment of the invention. In this preferred embodiment, as shown in figure 5, the sealing element of the pouch is heat sealed at the junction and incorporates a film 120 located within the pouch interior, the perimeter of which is heat and pressure bonded to the sealing structure of the neck of the pouch and has a bottom which sinks toward the bottom of the pouch. The film includes at least a thinned region 121 in the center of the base. The edges of the film are heat sealed to the bag sheet so that when the seal assembly is opened, the film is oriented above and below the sterile chamber 123 which is sealed to contain the sterile liquid. Thus, the membrane can block the flow of the disinfecting liquid to the bag opening. Thereby preventing the antiseptic solution from flowing out carelessly when the titanium head is not inserted into the bag body. When the titanium head is inserted from the bag opening, the thinning area 121 is damaged by being pressed by the titanium head, so that the titanium head enters the disinfection liquid cavity 123 for soaking disinfection.
Fig. 6 shows a longitudinal section along the longitudinal centre line of another preferred embodiment of the invention. In this preferred embodiment, as shown in fig. 6, the bag comprises a bottom sheet 108 for the bag to stand up, the peripheral edges of the bottom sheet being folded down and forming a downwardly extending heat-sealed edge with the inside of the bottom edge of the side sheets 101a, 101b, the heat-sealed edge being adapted to stand the bag on the object surface.
The center of the inner surface of the bottom sheet forms a film disrupting structure 109. The film disrupting structures 109 in fig. 6 have sharp corners that protrude upward. The film and the side wall and the bottom of the bag body form a sterilizing liquid cavity 123 with a lower middle part and a higher periphery. A titanium head accommodating cavity 122 surrounded by the disinfectant cavity is formed above the middle part of the film.
When the film 120 is pressed against by the titanium head, the sharp corner 109 punctures the film 120, and the disinfectant flows from the peripheral part of the disinfectant cavity to the titanium head accommodating cavity through the damaged part in the middle of the film, so that the disinfectant in the disinfectant cavity 123 flows into the titanium head accommodating cavity 122, and the titanium head is immersed therein.
The cusps piercing the film 120 may be accomplished by designing the thinned region 121 of the film 120 to be a distance from the cusps 109, such as when a titanium head is pressed against the film 120, the deformation of the film 120 may cause the thinned region 121 to contact the cusps 109. Alternatively, the sharp corner piercing the film 120 can be accomplished by pressing the bottom sheet, by which the sharp corner approaches the thinned region 121 of the film.
In a preferred embodiment, the bag mouth further comprises a tube clamp for temporarily blocking the passage of liquid in the hose, the tube clamp being disposed above the sealing engagement assembly.
The pipe clamp comprises a first clamping portion and a second clamping portion formed on the inner wall or the outer wall of the side sheets 101a and 101b, respectively, one end of the first clamping portion and the second clamping portion being connected to each other and the other end comprising an operable connection and a disconnection. When the two ends of the first clamping part and the second clamping part are connected with each other, the clamping force between the two parts can block the liquid channel in the hose between the two parts.
Preferably, in a state that two ends of the first clamping part and the second clamping part are connected with each other, matching surfaces between the first clamping part and the second clamping part are abutted against each other or the distance between the matching surfaces is less than 2 times of the wall thickness of the hose.
In a preferred embodiment, the sealing engagement assembly is disposed over a shoulder of the cam.
In a preferred embodiment, the bag body sheet is thickened aluminum foil paper, PE, PVC or a multi-layer composite waterproof material comprising metal, paper and/or high polymer materials.
In a preferred embodiment, one outer surface of the bag body is provided with a non-stick glue layer; a release layer covers the outside of the non-stick glue layer; when in use, after the release layer is removed, the bag body is temporarily stuck and fixed on the clothes or accessory surface of a patient or other surfaces which keep still through the non-stick glue layer.
In a preferred embodiment, the bag body is provided with ties and/or buckles on both sides thereof to tighten the neck of the bag body and further secure the bag body against falling off the titanium head.
In a preferred embodiment, at least one zone of the bag is made of transparent material, so that the titanium head is immersed in the sterilizing liquid and can be observed from the outside.
When the medical disinfection bag is specifically implemented, the medical iodophor is selected as the disinfection solution, and the disinfection bag is pre-loaded into the disinfection bag when the disinfection bag leaves the factory.
When the titanium head is disconnected with the device pipe section and the titanium head is disinfected, the titanium head and the abdominal cavity pipe section are always connected to the abdomen of the patient. At this time, the default peritoneum main catheter is provided with a clamp for closing a channel in the peritoneum main catheter, so that the disinfectant is prevented from flowing backwards into the peritoneum main catheter, and the catheter is prevented from being corroded.
The utility model discloses disinfection bag can be fast high-efficient fully sterilize the titanium head, and it is effectual to disinfect.
The disinfection bag provided by the embodiment of the utility model has no requirement on the body position of an operator, and is convenient for the operator to use; the design is compact, and the using amount of the disinfectant is reduced; the problems of insufficient titanium head disinfection, clothes pollution and the like caused by shaking, shaking or disinfectant sprinkling and the like are avoided.
In specific implementation, the disposable disinfection bag is torn during disinfection, an operator pinches the hose connected with the titanium head with one hand, opens the bag opening with the other hand, puts the titanium head into the disinfection bag of the embodiment, and presses the sealing strip of the disinfection bag at the position adjacent to the hose of the titanium head to form sealing. After the hose is sealed, the titanium head cannot move in the bag, is kept at a set height, and is soaked in disinfectant for disinfection. The sterilization wrap may then be secured to the patient's clothing or furniture. After the disinfection is finished, an operator breaks the seal at the bag opening, and the other hand pinches the hose connected with the titanium head tightly to take the titanium head out of the disinfection bag. And then, treating the disinfection bag as medical waste.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (14)
1. A disposable titanium head disinfection bag for a peritoneal dialysis catheter is characterized by comprising:
the titanium head enters an inner cavity of the bag body through the bag opening;
the inner cavity of the bag body contains disinfectant, and the disinfectant is suitable for immersing a titanium head inserted into the inner cavity;
the bag mouth comprises a sealing assembly which is suitable for being in sealing joint with the outer wall of a hose connected with the titanium head and preventing disinfectant from flowing out.
2. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 1,
the sealing assembly comprises a surrounding pipe assembly and a closing assembly, wherein,
the enclosing pipe assembly comprises a first enclosing pipe piece and a second enclosing pipe piece, and when the bag mouth is closed around the outer wall of the hose, the first enclosing pipe piece and the second enclosing pipe piece enclose each other and are circumferentially and hermetically jointed with the outer wall of the hose;
the closure assembly includes a first closure and a second closure that cooperate to seal the mouth of the bag when the mouth of the bag is closed about the outer wall of the hose.
3. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 2,
the first surrounding pipe fitting and the second surrounding pipe fitting both comprise semicircular shapes and are fixedly arranged on the inner wall of the bag opening;
first closure and second closure are including setting up sand grip and the recess at the sack inner wall relatively, sand grip and recess shape looks adaptation form sealed through mutually supporting.
4. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 3,
the first enclosing pipe fitting and the second enclosing pipe fitting comprise silica gel, rubber or felt.
5. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 2,
the sealing assembly comprises two closing assemblies and a surrounding pipe assembly positioned between the two closing assemblies.
6. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 2,
the seal assembly includes two sets, thereby forming a two-stage seal around the hose and a two-stage seal of the bag mouth.
7. The disposable titanium head sterilization bag for peritoneal dialysis tubing of any one of claims 1-6,
the bag comprises a film for blocking the flow of disinfectant between the inner cavity of the bag body and the bag opening, so that the disinfectant is packaged in the inner cavity of the bag body, and the film at least comprises a thinning area positioned at the center of the bottom.
8. The titanium head disposable sterilization bag for peritoneal dialysis set forth in claim 7, wherein the periphery of said membrane is heat press bonded to the sealing structure of the neck of the bag body and has a bottom that sinks toward the bottom of the bag body.
9. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 8, wherein the thinned region is broken by being pressed by the titanium head, so that the titanium head enters the sterilization solution chamber for soaking sterilization.
10. The titanium head disposable sterilization bag for peritoneal dialysis tubing of claim 8 wherein the bag body comprises a bottom sheet forming a bottom, the bag body comprising a bottom sheet for the bag body to be self-standing, the bottom sheet having a peripheral edge that is turned down and forms a downwardly extending heat seal with the inside of the bottom edge of the side sheets.
11. The disposable bag for disinfecting a titanium head for peritoneal dialysis tubing of claim 10, wherein the inner surface of the bottom sheet forms a membrane breaking structure, and the thinned region is broken by being pressed by the membrane breaking structure, so that the disinfecting solution flows out from the disinfecting solution chamber to soak the titanium head.
12. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 1,
the sack still includes the pipe clamp for temporarily block the liquid passage in the hose, the pipe clamp set up in seal assembly top.
13. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 12,
the pipe clamp comprises a first clamping part and a second clamping part which are respectively formed on the side sheets, one end of the first clamping part and one end of the second clamping part are connected with each other, the other end of the first clamping part and the second clamping part are connected with each other in an operable mode, the other end of the first clamping part and the second clamping part are disconnected with each other,
both ends of the first and second clamping portions are connected to each other to block a liquid passage in the hose therebetween.
14. The disposable titanium head sterilization bag for peritoneal dialysis tubing of claim 1,
at least one area of the bag body is made of transparent materials and is used for observing the state that the titanium head is immersed in the disinfection liquid from the outside.
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CN202022509014.XU CN213822709U (en) | 2020-11-03 | 2020-11-03 | Disposable sterilizing bag for titanium head of peritoneal dialysis tube |
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CN202022509014.XU CN213822709U (en) | 2020-11-03 | 2020-11-03 | Disposable sterilizing bag for titanium head of peritoneal dialysis tube |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114767983A (en) * | 2022-06-08 | 2022-07-22 | 中南大学湘雅三医院 | Tunnel washing disinfection catheter for dialysis and use method thereof |
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2020
- 2020-11-03 CN CN202022509014.XU patent/CN213822709U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114767983A (en) * | 2022-06-08 | 2022-07-22 | 中南大学湘雅三医院 | Tunnel washing disinfection catheter for dialysis and use method thereof |
CN114767983B (en) * | 2022-06-08 | 2023-11-03 | 中南大学湘雅三医院 | Tunnel flushing disinfection catheter for dialysis and use method thereof |
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