CN217245822U

CN217245822U - Peritoneal dialysis external device

Info

Publication number: CN217245822U
Application number: CN202123251535.0U
Authority: CN
Inventors: 徐振健; 徐安平
Original assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Current assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-23
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the technical field of peritoneal dialysis external devices, in particular to a peritoneal dialysis external device, which comprises an external connecting pipe, wherein the external connecting pipe is connected with a butt joint device with sealing and plugging functions, and the butt joint device is connected with a film-coated dialysis pipe; the rubber sleeve of public first insertion mechanism one end is leading-in along female first intraductal built-in counter sink, until rack toothing gear, then rotate the knob, the knob drives the worm and rotates, the rotation of worm makes the worm wheel rotate, the worm wheel makes the shutoff board upset through another group axle one, open completely until female first intraduct, make external pipe and tectorial membrane dialysis catheter intercommunication, consequently, through the settlement of shutoff board, can realize closing and opening female first intraduct, thereby avoid external pipe and tectorial membrane dialysis catheter to break away from the back, the germ gets into the human body through female first pipe.

Description

Peritoneal dialysis external device

Technical Field

The utility model relates to an external device technical field of peritoneal dialysis specifically is an external device of peritoneal dialysis.

Background

Peritoneal dialysis is a dialysis method that uses the peritoneum of the human body itself as a dialysis membrane. The dialysate filled into the abdominal cavity exchanges solute and moisture with the plasma components in the capillary vessel on the other side of the peritoneal cavity, thereby removing the metabolites and excessive moisture retained in the body, and simultaneously supplementing the substances necessary for the body through the dialysate. The aim of kidney substitution or supporting treatment is achieved by continuously updating the peritoneal dialysis solution.

Peritoneal dialysis need insert the peritoneal dialysis pipe to human abdominal cavity, connect external pipe on the peritoneal dialysis pipe, connect the peritoneal dialysis bag on external pipe, at present, the peritoneal dialysis pipe is connected through quick connector with external pipe, current quick connector leakproofness is general, secondly the peritoneal dialysis pipe is with external pipe separately the back, must plug up the peritoneal dialysis pipe tip at once, avoid the germ in the air to get into the human body through the peritoneal dialysis pipe, but do not have automatic shutoff's function in the external quick connector of current peritoneal dialysis pipe, for this reason, the utility model provides an external device of peritoneal dialysis is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external device of peritoneal dialysis to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an external connection device for peritoneal dialysis comprises an external connection tube, wherein the external connection tube is connected with a butt joint device with sealing and plugging functions, and the butt joint device is connected with a coated dialysis tube;

the butt joint device comprises a male head inserting mechanism, a rack is arranged on one side of the male head inserting mechanism, a female head pipe is arranged at one end of the male head inserting mechanism, a plugging plate is arranged in the female head pipe, two sets of first shafts are symmetrically arranged on two sides of the plugging plate, a gear is fixedly connected with one end of each of the first shafts and meshed with the rack, a worm wheel is connected with one end of the other set of first shafts and meshed with a worm, and a knob is connected with one end of the worm.

Preferably, the male joint inserting mechanism comprises a butt joint pipe, two groups of guide blocks are symmetrically arranged on two sides of the butt joint pipe, the butt joint pipe is fixedly connected with a bearing sleeve, the guide blocks are slidably connected with guide holes, the guide holes are located on the male joint pipe, and a rubber sleeve is sleeved on the head of the male joint pipe.

Preferably, the first shaft is provided with a bearing, the bearing is embedded into a female head pipe, and one end of the female head pipe is fixedly connected with a film-coated dialysis tube.

Preferably, two sets of bearings are arranged at two ends of the worm, and the bearings are embedded into a support arranged on the outer side of the female head pipe.

Preferably, one end of the butt joint pipe is fixedly connected with the external connection pipe, and the other end of the butt joint pipe is slidably connected with the male joint pipe.

Preferably, the male head pipe is inserted into the female head pipe, and the bearing sleeve is fixedly connected with the rack.

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

1. the rubber sleeve at one end of the male plug mechanism is led in along a countersunk hole I arranged in the female head pipe until the rack is meshed with the gear, then the knob is rotated to drive the worm to rotate, the worm rotates to drive the worm wheel to rotate, the worm wheel enables the plugging plate to turn over through another group of shafts I until the interior of the female head pipe is completely opened, and the external pipe is communicated with the film-coated dialysis pipe, so that the interior of the female head pipe can be closed and opened through setting of the plugging plate, and therefore, germs can be prevented from entering a human body through the female head pipe after the external pipe is separated from the film-coated dialysis pipe;

2. the gear is rotated through a group of shafts I, the gear is rotated to move the rack, the rack enables the butt joint pipe to move along a built-in counter sink hole II of the rubber sleeve through the bearing sleeve until the butt joint pipe extrudes the inner wall of the rubber sleeve, so that the rubber sleeve is expanded and deformed, the expanded rubber sleeve extrudes the inner wall of the female joint pipe, the sealing performance between the rubber sleeve and the female joint pipe is stronger, and the sealing performance between the outer joint pipe and the coated dialysis pipe is further improved.

Drawings

FIG. 1 is a sectional view of the present invention;

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

fig. 3 is a sectional view of the male plug mechanism of the present invention.

In the figure: 1. an external connection pipe; 2. a docking device; 3. a membrane-covered dialysis tube; 201. a male plug-in mechanism; 202. a rack; 203. a female head pipe; 204. a plugging plate; 205. a gear; 206. a first shaft; 207. a worm gear; 208. a worm; 209. a knob; 2011. butt-joint pipes; 2012. a bearing sleeve; 2013. a guide block; 2014. a guide hole; 2015. a male pipe; 2016. a rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an external connection device for peritoneal dialysis comprises an external connection pipe 1, wherein the external connection pipe 1 is connected with a butt joint device 2 with sealing and blocking functions, the butt joint device 2 is connected with a membrane dialysis pipe 3, the butt joint device 2 comprises a male plug mechanism 201, one side of the male plug mechanism 201 is provided with a rack 202, one end of the male plug mechanism 201 is provided with a female head pipe 203, a blocking plate 204 is arranged in the female head pipe 203, two sets of first shafts 206 are symmetrically arranged at two sides of the blocking plate 204, one end of one set of the first shafts 206 is fixedly connected with a gear 205, the gear 205 is meshed with the rack 202, one end of the other set of the first shafts 206 is connected with a worm wheel 207, the worm wheel 207 is meshed with a worm 208, one end of the worm 208 is connected with a knob 209, one shaft 206 is provided with a bearing, the bearing is embedded into the female head pipe 203, one end of the female head pipe 203 is fixedly connected with the membrane dialysis pipe 3, two ends of the worm 208 are provided with two sets of bearings, the bearing is embedded into a support arranged at the outer side of the female head pipe 203, wherein a first counter bore is arranged in the female head pipe 203, the outer diameter of the rubber sleeve 2016 is equal to the maximum inner diameter of the female head tube 203, when the external connection tube 1 and the coated dialysis tube 3 need to be in butt joint, the rubber sleeve 2016 at one end of the male plug insertion mechanism 201 is guided in along a first counter bore built in the female head tube 203 until the rack 202 is meshed with the gear 205, then the knob 209 is rotated, the knob 209 drives the worm 208 to rotate, the worm 208 rotates to enable the worm wheel 207 to rotate, the worm wheel 207 enables the plugging plate 204 to turn over through another set of first shafts 206 until the interior of the female head tube 203 is completely opened, the external connection tube 1 is communicated with the coated dialysis tube 3, therefore, the internal closing and opening of the female head tube 203 can be realized through the setting of the plugging plate 204, and therefore, after the external connection tube 1 is separated from the coated dialysis tube 3, germs can enter a human body through the female head tube 203;

the male plug mechanism 201 comprises a butt joint pipe 2011, two groups of guide blocks 2013 are symmetrically arranged on two sides of the butt joint pipe 2011, the butt joint pipe 2011 is fixedly connected with a receiving sleeve 2012, the guide blocks 2013 are slidably connected with guide holes 2014, the guide holes 2014 are positioned in a male pipe 2015, the head of the male pipe 2015 is sleeved with a rubber sleeve 2016, one end of the butt joint pipe 2011 is fixedly connected with an external pipe 1, the other end of the butt joint pipe 2011 is slidably connected with a male pipe 2015, the male pipe 2015 is inserted into a female pipe 203, the receiving sleeve 2012 is fixedly connected with a rack 202, a countersunk hole II is arranged in the rubber sleeve 2016, the outer diameter of the butt joint pipe 2011 is equal to the largest inner diameter of the rubber sleeve 2016, when the worm wheel 207 turns over the plugging plate 204 through another group of shafts 206, the plugging plate 204 simultaneously rotates the gear 205 through one group of shafts 206, the gear 205 rotates to move the rack 202, the rack 202 enables the butt joint pipe to move along the countersunk hole II in the rubber sleeve 2016 through the receiving sleeve 2011 until the butt joint pipe 2011 extrudes the inner wall of the rubber sleeve 2016, the rubber sleeve 2016 is expanded and deformed, the expanded rubber sleeve 2016 extrudes the inner wall of the female tube 203, the sealing performance between the rubber sleeve 2016 and the female tube 203 is stronger, and the sealing performance between the outer connecting tube 1 and the coated dialysis tube 3 is further improved.

The working principle is as follows: in the using process, the rubber sleeve 2016 at one end of the male plug mechanism 201 is guided into the female head pipe 203 along a built-in counter bore until the rack 202 is meshed with the gear 205, then the knob 209 is rotated, the knob 209 drives the worm 208 to rotate, the worm 208 rotates the worm gear 207, the worm gear 207 enables the plugging plate 204 to turn over through the other set of the first shaft 206 until the interior of the female head pipe 203 is completely opened, the external connecting pipe 1 is communicated with the coated dialysis pipe 3, the plugging plate 204 enables the gear 205 to rotate through the set of the first shaft 206, the gear 205 rotates to enable the rack 202 to move, the rack 202 enables the butt joint pipe 2011 to move along the built-in counter bore two of the rubber sleeve 2016 through the bearing sleeve 2012 until the butt joint pipe 2011 extrudes the inner wall of the rubber sleeve 2016, and the rubber sleeve 2016 is expanded and deformed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an external device of peritoneal dialysis, includes external pipe (1), its characterized in that: the external connecting pipe (1) is connected with a butt joint device (2) with sealing and plugging functions, and the butt joint device (2) is connected with a film-coated dialysis pipe (3);

interfacing apparatus (2) include public first plug-in mechanism (201), public first plug-in mechanism (201) one side sets up rack (202), and public first plug-in mechanism (201) one end sets up female head pipe (203), set up closure plate (204) in female head pipe (203), closure plate (204) bilateral symmetry sets up two sets of axle one (206), and is a set of axle one (206) one end fixed connection gear (205), gear (205) meshing rack (202), another group worm wheel (207) are connected to axle one (206) one end, worm wheel (207) meshing worm (208), knob (209) are connected to worm (208) one end.

2. The peritoneal dialysis external device of claim 1, wherein: public first mechanism (201) of inserting includes butt joint pipe (2011), butt joint pipe (2011) bilateral symmetry sets up two sets of guide block (2013), butt joint pipe (2011) fixed connection and holds nipple (2012), guide block (2013) sliding connection guiding hole (2014), guiding hole (2014) are located public first pipe (2015), rubber sleeve (2016) are established to public first pipe (2015) head cover.

3. The peritoneal dialysis external device of claim 1, wherein: the bearing is arranged on the first shaft (206), the bearing is embedded into the female head pipe (203), and one end of the female head pipe (203) is fixedly connected with the film-coated dialysis tube (3).

4. The external device for peritoneal dialysis as claimed in claim 1, wherein: two ends of the worm (208) are provided with two groups of bearings, and the bearings are embedded into a support arranged on the outer side of the female head pipe (203).

5. The peritoneal dialysis external device of claim 2, wherein: the butt joint pipe (2011) one end fixed connection is taken over (1) outward, and butt joint pipe (2011) other end sliding connection male joint pipe (2015).

6. The external device for peritoneal dialysis as claimed in claim 2, wherein: male head pipe (2015) grafting female head pipe (203), adapter sleeve (2012) fixed connection rack (202).