CN210521525U - Dialysis catheter for nephrology department - Google Patents

Abstract

The utility model relates to a dialysis catheter for nephrology department, at least include the filter head of being connected with pipe one end, install fixing device on the pipe, and the interface arrangement who is connected with the pipe other end, a serial communication port, fixing device includes the first chuck, the second chuck and the locking mechanism among catch and the fixed establishment at least, wherein, catch and fixed establishment fixed connection, the one end swing joint of first chuck and second chuck, the other end of first chuck and second chuck passes through locking mechanism locking connection, under the condition that locking mechanism removes the locking of first chuck and second chuck, fixed establishment and pipe swing joint; the fixing mechanism is fixedly connected with the guide pipe under the condition that the locking mechanism locks the first chuck and the second chuck. The length of the catheter can be adjusted through the fixing mechanism, the pain of a user can be relieved by proper length, and the catheter outside the human body can be fixed on the human body or at the positions of a bed head and the like by the fixing mechanism, so that the user can be facilitated.

Description

Dialysis catheter for nephrology department

Technical Field

The utility model relates to a medical instrument field for the nephrology dept especially relates to a dialysis catheter for nephrology dept.

Background

Peritoneal dialysis is to use the peritoneum as a semi-permeable membrane, and to inject the prepared dialysate into the peritoneal cavity of a patient through a catheter by using the gravity effect, so that the concentration gradient difference of solutes exists at the two sides of the peritoneum, and the solute at the high-concentration side moves to the low-concentration side (diffusion effect); the water moves from the hypotonic side to the hypertonic side (osmosis). The peritoneal dialysis solution is continuously replaced to achieve the purposes of removing in vivo metabolites and toxic substances and correcting water and electrolyte balance disorder.

A peritoneal dialysis catheter is a catheter that is inserted into the abdominal cavity of a patient with renal failure for a long period of time to perform peritoneal dialysis, and is an important pathway for continuous bidirectional flow of dialysate in the abdominal cavity.

For example, the chinese patent that publication number is CN204468821U discloses a dialysis catheter for nephrology dept, this dialysis catheter for nephrology dept includes dialysis body, filter head and inserts the mouth, the dialysis body be medical grade rubber material, be equipped with one section screwed pipe respectively at both ends and intermediate position on the dialysis body, the filter head be medical stainless steel material, spread all over cellular filtration hole on the filter head, insert the mouth and be medical plastics material, insert mouthful through pipe connector sealing connection in dialysis body, the mouth of inserting be equipped with the internal thread, insert mouthful go up through threaded connection in a rubber buffer that is equipped with the external screw thread, the rubber buffer on be equipped with the sealed sucking disc of silica gel class, the outside of the sealed sucking disc of silica gel class is equipped with the head of screwing. This dialysis catheter for nephrology dept structural design is reasonable, convenient to use, difficult jam, the leakproofness is strong.

The utility model provides a dialysis catheter for nephrology dept, this dialysis catheter for nephrology dept include dialysis body, filter head and access mouth, the dialysis body be medical grade rubber material, be equipped with one section screwed pipe respectively at both ends and intermediate position on the dialysis body, the filter head be medical stainless steel, spread all over cellular filtration pore on the filter head, access mouth is medical plastics material, access mouth passes through pipe connector sealing connection in dialysis body, access mouth be equipped with the internal thread, access mouthful go up through threaded connection in a rubber buffer that is equipped with the external screw thread, the rubber buffer on be equipped with the sealed sucking disc of silica gel class, the outside of the sealed sucking disc of silica gel class is equipped with the head of twisting soon. Wherein adopt the screwed pipe, make things convenient for the pipe fixed in human, the pipe head that adopts medical level stainless steel to be convenient for the dialysis pipe to get into the human body, adopts the rubber buffer that has the sealed sucking disc of silica gel class can strengthen sealed effect, reduces the invasion of external bacterium, accomplishes the back at the dialysis, screws the rubber buffer that has the sealed sucking disc of silica gel class with revolving the twist head, makes the sealed sucking disc of silica gel class adsorb the human body, strengthens sealed effect.

However, the dialysis catheter for nephrology department cannot adjust the length of the catheter in the body during the use process, and the dialysis catheter needs to be held by the hand of a user all the time, which is inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a dialysis catheter for nephrology department, which at least comprises a filter head connected with one end of a catheter, a fixing device arranged on the catheter and an interface device connected with the other end of the catheter, wherein the fixing device at least comprises a locking ring and a first chuck, a second chuck and a locking mechanism in a fixing mechanism, the locking ring is fixedly connected with the fixing mechanism, the first chuck is movably connected with one end of the second chuck, the other end of the first chuck and the other end of the second chuck are locked and connected through the locking mechanism, and the fixing mechanism is movably connected with the catheter under the condition that the locking mechanism releases the locking of the first chuck and the second chuck; under the condition that the locking mechanism locks the first chuck and the second chuck, the fixing mechanism is fixedly connected with the guide pipe.

According to a preferred embodiment, the fixing mechanism at least comprises a first cotton pad, a second cotton pad and a movable mechanism, wherein the first chuck is provided with a first semicircular cavity with a downward opening, the second chuck is provided with a second semicircular cavity with an upward opening and corresponding to the first semicircular cavity, the first cotton pad is detachably connected with the first semicircular cavity of the first chuck, and the second cotton pad is detachably connected with the second semicircular cavity of the second chuck.

According to a preferred embodiment, locking mechanism includes push rod, button, connecting rod, spring, fixture block, hinge mechanisms and draw-in groove at least, wherein, the button with the one end fixed connection of push rod, the other end of push rod with the connecting rod is connected, the connecting rod pass through hinge mechanisms with first chuck is connected with articulated mode, the connecting rod with fixture block fixed connection, spring one end with first chuck fixed connection, the other end with connecting rod fixed connection, the draw-in groove sets up on the second chuck.

According to a preferred embodiment, fixing device still includes aseptic cotton, gauze and aseptic cotton pad, wherein, aseptic cotton pad with fixed establishment connects with the mode of bonding, the gauze with aseptic cotton pad connects with the mode of bonding, aseptic cotton with the gauze is connected with the mode of bonding.

According to a preferred embodiment, the interface device comprises at least a tube connector, a medical silica gel sealing disc, an interface, a medical rubber plug and a screwing head. The interface passes through pipe connector sealing connection in the pipe, the interface is equipped with the internal thread, be equipped with the external screw thread through threaded connection on the interface medical rubber stopper, be equipped with on the medical rubber stopper medical silica gel sealed dish, the outside of medical silica gel sealed dish is equipped with revolve the head of twisting.

According to a preferred embodiment, a threaded pipe is arranged at one end of the guide pipe connected with the filter head, and a plurality of filter holes are formed in the filter head.

According to a preferred embodiment, first cotton pad through set up the mode that the magic was pasted with first chuck is connected, the cotton pad of second through set up the mode that the magic was pasted with the second chuck is connected.

According to a preferred embodiment, the movable mechanism is connected to the first chuck and the second chuck by bearings, respectively.

According to a preferred embodiment, the catheter is made of medical grade silicone material, and the filter head is made of medical grade stainless steel material.

According to a preferred embodiment, the filter openings are arranged in the form of a honeycomb.

The utility model provides a beneficial effect of dialysis catheter for nephrology dept includes at least: the utility model discloses an use fixing device for can adjust the length of dialysis pipe in the human body in dialysis process, alleviate the misery that causes the human body because the pipe overlength, and through using fixing device, can fix the part of pipe outside the human body, make do not need the people to get to hold the dialysis pipe at the dialysis in-process, made things convenient for the user.

Drawings

Fig. 1 is a schematic structural view of a dialysis catheter for nephrology department provided by the present invention;

fig. 2 is a schematic structural diagram of a preferred fixing mechanism provided by the present invention; and

fig. 3 is a schematic diagram of the structure of a preferred locking mechanism provided by the present invention;

list of reference numerals

1: the guide pipe 2: and (3) filtration pores: threaded pipe

4: the fixing mechanism 5: 6, sterilized cotton: gauze

7: and (3) sterilizing the cotton pad 8: the pipe joint member 9: medical silica gel sealing disk

10: interface 11: medical rubber plug 12: screwing head

13: the filter head 41: first chuck 42: second chuck

43: the movable mechanism 44: first cotton pad 45: second cotton pad

46: the locking mechanism 461: push rod 462: push button

463: a spring 464: a latch 465: clamping groove

466: the connecting rod 467: the hinge mechanism A: interface device

B: the fixing device 14: lock ring

Detailed Description

The following detailed description is made with reference to fig. 1 to 3.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in figure 1, the utility model provides a dialysis catheter for nephrology department. The dialysis catheter comprises at least a filter head 13 connected with one end of the catheter 1, a fixing device B arranged on the catheter 1 and an interface device A connected with the other end of the catheter 1. Preferably, as shown in fig. 2, the fixing device B includes at least a fixing mechanism 4, a sterilized cotton 5, a gauze 6, a sterilized cotton pad 7, and a locking ring 14. Preferably, the locking ring 14 is connected with the fixing mechanism 4 in a fixed connection manner, the sterilized cotton pad 7 is connected with the fixing mechanism 4, and the sterilized cotton pad 7 can be replaced. The gauze 6 is connected with the sterilized cotton pad 7 in a bonding mode, and the gauze 6 can be replaced. The mode that aseptic cotton 5 and gauze 6 bond is connected, and aseptic cotton 5 can prevent to infect, has sterile effect to the human wound, and aseptic cotton 5 can be changed. Preferably, the fixing mechanism 4 includes at least a first chuck 41, a second chuck 42, a moving mechanism 43, a first cotton pad 44, a second cotton pad 45, and a locking mechanism 46. The first chuck 41 is provided with a first semicircular cavity with a downward opening, the second chuck 42 is provided with a second semicircular cavity with an upward opening and corresponding to the first semicircular cavity, a cavity capable of fixing the catheter 1 is formed between the two chucks, the diameter of the cavity formed between the two chucks is adapted to the diameter of the catheter 1, and the catheter 1 can be firmly fixed in the cavity. The first cotton pad 44 is detachably coupled to the first semicircular cavity of the first chuck 41, and the second cotton pad 45 is detachably coupled to the second semicircular cavity of the second chuck 42, so that the first and second cotton pads 44 and 45 can prevent the first and second chucks 41 and 42 from damaging the catheter 1. One ends of the first chuck 41 and the second chuck 42 are connected by a movable mechanism 43, the first chuck 41 and the second chuck 42 can rotate around the movable mechanism 43, and the other ends of the first chuck 41 and the second chuck 42 are locked by a locking mechanism 46. When in use, the two chucks are opened, the catheter 1 close to the abdominal wall part is clamped into the cavity between the two chucks, and the two chucks are fixedly connected into a whole through the locking mechanism 46 after the length of the catheter 1 in a human body is adjusted. The dialysis tubing can be fixed on the body of the person or where required, e.g. at the bedside, etc., by means of a locking ring 14.

Preferably, as shown in fig. 3, the locking mechanism 46 at least includes a push rod 461, a button 462, a spring 463, a latch 464, a latch groove 465, a connecting rod 466 and a hinge mechanism 467. Preferably, the button 462 is fixedly connected to one end of the push rod 461, and the other end of the push rod 461 is connected to the connecting rod 466. The connecting rod 466 is connected to the first chuck 41 in an articulated manner at the hinge mechanism 467, and the connecting rod 466 can rotate along the hinge point of the hinge mechanism 467. One end of the spring 463 is fixedly connected to the first chuck 41, and the other end thereof is fixedly connected to the connecting rod 466. The locking block 464 is in a triangular shape and is fixedly connected with the connecting rod 466. The card slot 465 is provided on the second chuck 42.

Preferably, when the first chuck 41 and the second chuck 42 are required to fix the catheter 1, only the first chuck 41 and the second chuck 42 need to be put together to ensure that the clamping block 464 is in the clamping groove 465, in the process that the clamping block 464 is installed in the clamping groove 465, the clamping groove 465 applies a rightward pushing force to the clamping block 464, the connecting rod 466 rotates counterclockwise around the hinge point of the hinge mechanism 467, the spring 463 is stretched, when the pushing force disappears, the spring 463 applies a leftward pulling force to the connecting rod 466, the connecting rod 466 rotates clockwise around the hinge point of the hinge mechanism 467, the clamping block 464 clamps with the clamping groove 465, and the first chuck 41 and the second chuck 42 are fixed together.

Preferably, when the first chuck 41 and the second chuck 42 need to be opened, a leftward pushing force is applied to the button 462, the pushing rod 461 applies a leftward pushing force to the connecting rod 466, the connecting rod 466 rotates counterclockwise around a hinge point of the hinge mechanism 467, the spring 463 is stretched, the clamping groove 465 and the clamping block 464 are released, the first chuck 41 and the second chuck 42 are opened, and the whole process only needs to press the button 462, which is simple, convenient and fast.

Preferably, the interface device a at least comprises a tube connector 8, a medical silica gel sealing disc 9, an interface 10, a medical rubber plug 11 and a screw head 12. The interface 10 is made of medical plastic. The hub 10 is sealingly connected to the conduit 1 by means of the pipe connector 8. The interface 10 is provided with an internal thread. The interface 10 is connected with a medical rubber plug 11 with external thread through screw thread. The medical silica gel sealing disc 9 is arranged on the medical rubber plug 11. The outer side of the medical silica gel sealing sucker 9 is provided with a screwing head 12. Preferably, the end of the conduit 1 connected to the filter head 13 is provided with a threaded pipe 3. The filter head 13 is provided with a filter hole 2. The filter holes 2 are arranged in a honeycomb shape to prevent the filter holes 2 from being blocked. The filter head 13 is made of medical grade stainless steel. The catheter 1 is made of medical grade silicone material. Wherein, the threaded pipe 3 is adopted to facilitate the fixation of the catheter 1 in the human body. The medical grade stainless steel filter head 13 is adopted to facilitate the catheter 1 to enter the human body. The medical rubber plug 11 with the medical silica gel sealing disc 9 can enhance the sealing effect and reduce the invasion of external bacteria. After dialysis, the medical rubber plug 11 with the medical silica gel sealing disc 9 is screwed by the screw head 12, so that the sealing effect can be enhanced.

Preferably, the fixing connection is a welding or bolt fixing manner. The movable connection is a connection mode such as a hinge connection or a bearing connection.

In order to facilitate understanding, the working principle of the dialysis catheter for nephrology department of the present invention is discussed.

In the process of using the dialysis catheter for nephrology department, firstly, one end of the dialysis catheter 1 with the filter head 13 is put into a human body, the filter head 13 is provided with the filter holes 2 for better dialysis, and the threaded pipe 3 on the catheter 1 is convenient for fixing the catheter 1 in the human body. The first chuck 41 and the second chuck 42 of the fixing mechanism 4 in the fixing device B are opened, the length of the catheter 1 is adjusted to enable the length of the part of the catheter 1 in a human body to be proper, the first chuck 41 and the second chuck 42 are clamped to fix the catheter 1, one side of the fixing device B with the sterilized cotton 5 is contacted with the human body to be sterilized, germs are prevented from entering the human body, the part of the catheter 1 outside the human body can be fixed on the human body or at the bedside and other positions through the lock ring 14 on the fixing mechanism 4 in the fixing device B, and convenience is brought to a user. Interface arrangement A links together with pipe 1, and interface 10 among the interface arrangement A is medical plastics material, and interface 10 passes through pipe connector 8 sealing connection in pipe 1, and interface 10 is equipped with the internal thread, through threaded connection in a medical rubber buffer 11 that is equipped with the external screw thread on the interface 10, is equipped with medical silica gel sealed dish 9 on the medical rubber buffer 11, and the outside of medical silica gel sealed dish 9 is equipped with and revolves first 12 of twisting. One end of the conduit 1 connected with the filter head 13 is provided with a threaded pipe 3, the filter head 13 is provided with a filter hole 2, the filter head 13 is made of medical grade stainless steel, and the conduit 1 is made of medical grade silica gel material. Wherein adopt the screwed pipe, make things convenient for pipe 1 fixed in human body, the filter head 13 that adopts medical grade stainless steel material is convenient for pipe 1 and gets into human body, adopts the medical rubber buffer 11 that has medical silica gel sealed dish 9 can strengthen sealed effect, reduces the invasion of external bacterium, accomplishes the back at the dialysis, screws medical rubber buffer 11 that has medical silica gel sealed dish 9 with revolving spiral twisting head 12, can strengthen sealed effect.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. Dialysis catheter for nephrology department, at least comprising a filter head (13) connected with one end of a catheter (1), a fixing device (B) installed on the catheter (1), and an interface device (A) connected with the other end of the catheter (1), characterized in that the fixing device (B) comprises at least a locking ring (14) and a first chuck (41), a second chuck (42) and a locking mechanism (46) in a fixing mechanism (4),

wherein the locking ring (14) is fixedly connected with the fixing mechanism (4), the first chuck (41) is movably connected with one end of the second chuck (42), the other end of the first chuck (41) is locked with the other end of the second chuck (42) through the locking mechanism (46),

the fixing mechanism (4) is movably connected with the catheter (1) under the condition that the locking mechanism (46) releases the locking of the first chuck (41) and the second chuck (42);

the fixing mechanism (4) is fixedly connected with the catheter (1) under the condition that the locking mechanism (46) locks the first chuck (41) and the second chuck (42).

2. Dialysis catheter for nephrology department according to claim 1, characterized in that the fixation means (4) comprise at least a first cotton pad (44), a second cotton pad (45) and a moving means (43),

wherein, a first semicircular cavity with a downward opening is arranged on the first chuck (41), a second semicircular cavity with an upward opening and corresponding to the first semicircular cavity is arranged on the second chuck (42),

wherein the first cotton pad (44) is detachably connected with the first semicircular cavity of the first chuck (41), and the second cotton pad (45) is detachably connected with the second semicircular cavity of the second chuck (42).

3. The dialysis catheter for nephrology department as claimed in claim 1 or 2, wherein the locking mechanism (46) comprises at least a push rod (461), a button (462), a connecting rod (466), a spring (463), a clamping block (464), a hinge mechanism (467) and a clamping groove (465), wherein the button (462) is fixedly connected with one end of the push rod (461), the other end of the push rod (461) is connected with the connecting rod (466), the connecting rod (466) is connected with the first clamping block (41) in a hinged manner through the hinge mechanism (467), the connecting rod (466) is fixedly connected with the clamping block (464), one end of the spring (463) is fixedly connected with the first clamping block (41), the other end of the spring is fixedly connected with the connecting rod (466), and the clamping groove (465) is arranged on the second clamping block (42).

4. The dialysis catheter for nephrology department of claim 1, characterized in that the fixing device (B) further comprises a sterilized cotton (5), a gauze (6) and a sterilized cotton pad (7), wherein the sterilized cotton pad (7) is adhesively connected with the fixing mechanism (4), the gauze (6) is adhesively connected with the sterilized cotton pad (7), and the sterilized cotton (5) is adhesively connected with the gauze (6).

5. Dialysis catheter for nephrology department according to claim 1, characterized in that the interface means (a) comprises at least a tube connector (8), a sealing disc (9) of medical silica gel, an interface (10), a rubber plug (11) of medical rubber and a screw head (12);

wherein, interface (10) pass through pipe connector (8) sealing connection in pipe (1), interface (10) are equipped with the internal thread, on interface (10) through threaded connection one be equipped with the external screw thread medical rubber stopper (11), be equipped with on medical rubber stopper (11) medical silica gel sealing dish (9), the outside of medical silica gel sealing dish (9) is equipped with revolve and twist head (12).

6. Dialysis catheter for nephrology department according to claim 1, characterized in that the end of the catheter (1) connected with the filter head (13) is provided with a threaded pipe (3), and the filter head (13) is provided with a plurality of filter holes (2).

7. Dialysis catheter for nephrology department according to claim 2, characterized in that the first cotton pad (44) is connected with the first chuck (41) by means of a velcro tape, and the second cotton pad (45) is connected with the second chuck (42) by means of a velcro tape.

8. Dialysis catheter for nephrology department according to claim 2, characterized in that the mobile means (43) are connected to the first cartridge (41) and the second cartridge (42) by means of bearings, respectively.

9. Dialysis catheter for nephrology department according to claim 1, characterized in that the catheter (1) is made of medical grade silica gel material and the filter head (13) is made of medical grade stainless steel material.

10. Dialysis catheter for nephrology department according to claim 6, characterized in that the filter pores (2) are arranged as a honeycomb.

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