CN211434406U

CN211434406U - Supplementary device of implanting of peritoneal dialysis pipe

Info

Publication number: CN211434406U
Application number: CN201921487744.5U
Authority: CN
Inventors: 李汶汶; 范国祥; 曹易之; 李屾森; 沈燕
Original assignee: Sir Run Run Hospital Nanjing Medical University
Current assignee: Sir Run Run Hospital Nanjing Medical University
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-09-08
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a peritoneal dialysis catheter assists and implants device, including outer tube, stable structure, fixed knot structure and inner core, the inner core overcoat is equipped with the outer tube, and the inner core includes spacing ring, bullport and body, and the bullport that runs through the body is seted up at the middle part in the body, and the body left end is provided with the spacing ring, and the outer tube includes last lamella cylinder and lower lamella cylinder, and upward lamella cylinder and lower lamella cylinder are the cavity halfcylinder, and upward lamella cylinder and lower lamella cylinder left end all are provided with spacing semi-ring, upward lamella cylinder and lower lamella cylinder structural symmetry. The utility model discloses during the use, carry out the ultrasonic examination earlier, get rid of and have the blood vessel of medium size on the puncture route, make clear and determine rectus abdominis thickness, disinfect and spread the piece of cloth, cut appointed stomach wall position after local anesthesia and until rectus abdominis front sheath, puncture under the supersound guide, put into the abdominal cavity with central venous catheter, the directional pubis bone joint direction of pipe head makes the patient receive minimum wound, makes the patient resume faster.

Description

Supplementary device of implanting of peritoneal dialysis pipe

Technical Field

The utility model relates to the field of medical equipment, specifically a peritoneal dialysis catheter auxiliary implantation device.

Background

End-stage renal patients require renal replacement therapy to remain alive. Among three renal replacement therapy options, peritoneal dialysis, hemodialysis, and renal transplantation, peritoneal dialysis is increasingly preferred by patients due to the protection of residual renal function and the convenience of home-based therapy. Peritoneal dialysis utilizes the function of the human omentum majus to exchange liquid and remove metabolites, so that a medical doctor with professional qualifications needs to put a peritoneal dialysis catheter into a patient before starting peritoneal dialysis so as to ensure that a large amount of liquid repeatedly and smoothly enters and exits the abdominal cavity. Three methods are commonly used for peritoneal dialysis catheter placement: classic methods, laparoscopic methods and puncture methods. Among them, the puncture method has the advantages of convenient operation, less damage, fast recovery, minimal influence on the abdominal cavity, etc., and is recently selected by more and more doctors and patients.

The puncture method devices used at present have two types, one type needs to be a reusable device, but because the puncture method devices lack guide wire guidance, the puncture method devices still need to be cut to the posterior sheath of the rectus abdominis during operation, and the problem of large surgical trauma still exists. The other is a non-reusable device, and the economic burden on the patient is obviously increased. Accordingly, those skilled in the art have provided a new device for assisting in the implantation of a peritoneal dialysis catheter to solve the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a peritoneal dialysis catheter auxiliary implantation device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a peritoneal dialysis catheter auxiliary implantation device comprises a central venous catheter, an outer sleeve, a stable structure, a fixed structure and an inner core, wherein the outer sleeve is sleeved outside the inner core, the inner core comprises a limiting ring, a guide hole and a pipe body, the guide hole penetrating through the pipe body is formed in the middle of the inside of the pipe body, the limiting ring is arranged at the left end of the pipe body, the outer sleeve comprises an upper valve cylinder and a lower valve cylinder, the upper valve cylinder and the lower valve cylinder are hollow semicylindrical bodies, the left end parts of the upper valve cylinder and the lower valve cylinder are respectively provided with a limiting half ring, the upper valve cylinder and the lower valve cylinder are structurally symmetrical, the central venous catheter freely moves in the guide hole, the outer sleeve is sleeved with the fixed structure and the stable structure, the fixed structure comprises a sliding block and a through hole, the middle part of the sliding block is provided with the, connecting rod end connection sliding block, firm ring bottom left side is provided with left keyhole, and firm ring bottom right side is provided with right keyhole, and the bolt passes left keyhole and right keyhole from the left hand right side, and the bolt right-hand member is provided with the nut.

As a further aspect of the present invention: the guiding hole diameter is one millimeter, and the body external diameter is six millimeters, and the spacing ring external diameter is ten millimeters, and inner core length is one hundred fifty millimeters, overcoat pipe length is one hundred forty millimeters, and the external diameter is ten millimeters after upper lamella cylinder and lower lamella cylinder are drawn together, and the internal diameter is six millimeters after upper lamella cylinder and lower lamella cylinder are drawn together, and the external diameter is twenty millimeters after two spacing semi-rings are drawn together, spacing semi-ring thickness is two millimeters, spacing ring thickness is two millimeters.

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

1. when the utility model is used, the ultrasonic examination is firstly carried out, the blood vessels with medium size on the puncture path are eliminated, the thickness of the rectus abdominis is determined, the designated abdominal wall position is cut until the rectus abdominis front sheath is cut after the local anesthesia, the puncture is carried out by the designated position after the disinfection and the drape and the local infiltration anesthesia are carried out, the central venous catheter is placed in the abdominal cavity, the catheter head points to the pubis joint direction, and the warm saline water is filled for one thousand milliliters; the central venous guide wire is fed into the central venous guide tube again and then exits the central venous guide tube, the puncture sleeve in the peritoneal dialysis puncture method catheter placement sleeve set is slowly and slightly rotated along the guide wire after being assembled, the blocking sensation disappears to indicate that the central venous guide wire enters the abdominal cavity, the inner core is kept still, the upper valve column body and the lower valve column body are pushed in the pubis joint direction after being closed, the outer opening of the outer sleeve is positioned outside the rectus abdominis front sheath, the central venous guide wire is pulled out, the hard guide steel wire is fed into the pubis joint direction from the guide hole of the inner core, the feeding depth is preferably two to three millimeters less than the puncture point measured in vitro to the pubis joint length, the patient is enabled to be subjected to the minimum trauma, and the recovery of the.

2. The utility model discloses during the use, remove slider to belly and belly contact, the sliding block drives stable structure and removes to the belly together, twists the nut, makes the stabilizer ring shrink, fastens the outer tube until the stabilizer ring, is favorable to fixing the outer tube, is convenient for put the smooth completion of pipe process.

3. The utility model discloses during the use, send into peritoneal dialysis catheter along the guide steel wire, the ultrasonic examination makes clear that peritoneal dialysis catheter head end is in uterus (bladder) rectum concavity. If the head end of the catheter is not in place, the position can be adjusted by matching the guide steel wire with the outer sleeve repeatedly, the upper valve column body is removed, the inner CUFF placing position is determined, the position of the inner CUFF placing position is determined, the inner CUFF placing position is determined to be positioned outside the rear sheath of the abdominal rectus muscle in the abdominal rectus muscle and does not enter the abdominal cavity, or if the position is too deep or too shallow, the lower valve column body is adjusted in time, the peritoneal dialysis catheter is guided by the tunnel needle for the catheter, an arched upward tunnel is established by puncturing in the fat layer, the catheter is led out from the lateral abdominal wall, the inlet and outlet of the peritoneal dialysis catheter are tested to be smooth, the titanium connector and the external short pipe are.

Drawings

Fig. 1 is a schematic structural diagram of a peritoneal dialysis catheter auxiliary implantation device.

Fig. 2 is a schematic structural diagram of an inner core of a peritoneal dialysis catheter auxiliary implantation device.

Fig. 3 is a side view of the inner core of a peritoneal dialysis catheter auxiliary implant device.

Fig. 4 is a schematic structural diagram of an outer sleeve of a peritoneal dialysis catheter auxiliary implantation device.

Fig. 5 is a side view of an outer sleeve of a peritoneal dialysis catheter auxiliary implant device.

Fig. 6 is a structural schematic diagram of a central venous guide wire of a peritoneal dialysis catheter auxiliary implantation device.

Fig. 7 is a schematic structural view of a fixing structure in a peritoneal dialysis catheter auxiliary implantation device.

Fig. 8 is a schematic structural diagram of a stabilizing structure in a peritoneal dialysis catheter auxiliary implantation device.

In the figure: 1. a central venous catheter; 2. an outer sleeve; 3. a stable structure; 4. a fixed structure; 5. an inner core; 6. a limiting ring; 7. a guide hole; 8. a pipe body; 12. an upper petal cylinder; 13. a lower petal cylinder; 15. perforating; 17. a slider; 18. A stabilizing ring; 19. a connecting rod; 20. a bolt; 21. a nut; 22. a left keyhole; 23. and a right keyhole.

Detailed Description

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

Referring to fig. 1 to 8, in an embodiment of the present invention, an auxiliary implanting device for a peritoneal dialysis catheter comprises a central venous catheter 1, an outer sleeve 2, a stabilizing structure 3, a fixing structure 4 and an inner core 5, wherein the outer sleeve 2 is sleeved outside the inner core 5, the inner core 5 comprises a limiting ring 6, a guiding hole 7 and a tube 8, the guiding hole 7 penetrating through the tube 8 is formed in the middle of the tube 8, the limiting ring 6 is arranged at the left end of the tube 8, the outer sleeve 2 comprises an upper petal cylinder 12 and a lower petal cylinder 13, the upper petal cylinder 12 and the lower petal cylinder 13 are hollow semicylinders, the left end portions of the upper petal cylinder 12 and the lower petal cylinder 13 are provided with limiting half rings, the upper petal cylinder 12 and the lower petal cylinder 13 are structurally symmetrical, the central venous catheter 1 freely moves in the guiding hole 7, the fixing structure 4 and the stabilizing structure 3 are sleeved outside the outer sleeve 2, the fixing structure 4 comprises, sliding block 17 middle part is provided with perforation 15, firm structure 3 includes firm ring 18, connecting rod 19 and bolt 20, and the firm 18 middle part left and right sides of ring all is provided with connecting rod 19, connecting rod 19 end connection sliding block 17, and firm 18 bottom left side of ring is provided with left keyhole 23, and firm 18 bottom right side of ring is provided with right keyhole 22, and bolt 20 passes left keyhole 23 and right keyhole 22 from the left side to the right side, and the bolt 20 right-hand member is provided with nut 21.

The diameter of the guide hole 7 is one millimeter, the outer diameter of the pipe body 8 is six millimeters, the outer diameter of the limit ring 6 is ten millimeters, the length of the inner core 5 is one hundred fifty millimeters, the length of the outer sleeve 2 is one hundred forty millimeters, the outer diameter of the closed upper valve cylinder 12 and the closed lower valve cylinder 13 is ten millimeters, the inner diameter of the closed upper valve cylinder 12 and the closed lower valve cylinder 13 is six millimeters, the outer diameter of the closed two limit half rings is twenty millimeters, the thickness of the limit half rings is two millimeters, and the thickness of the limit ring 6 is two millimeters.

The utility model discloses a theory of operation is: when the utility model is used, the ultrasonic examination is firstly carried out, the blood vessels with medium size on the puncture path are eliminated, the thickness of the rectus abdominis is determined, the drape is disinfected, the designated abdominal wall position is cut until the rectus abdominis front sheath is cut after the local anesthesia, the puncture is carried out under the ultrasonic guidance, the central venous catheter 1 is placed in the abdominal cavity, the catheter head points to the pubis joint direction, and the warm saline water is filled for one thousand milliliters; the central venous guide wire is fed into the central venous guide tube 1 again and then is withdrawn out of the central venous guide tube 1, the puncture set in the peritoneal dialysis puncture method set sleeve is assembled and then slowly and slightly rotated along the guide wire to be fed, the blocking feeling disappears to indicate that the puncture set enters the abdominal cavity, the inner core 5 is kept still, the upper valve column body 12 and the lower valve column body 13 are pushed in the pubis joint direction after being closed, the outer opening of the outer sleeve 2 is positioned outside the rectus abdominus sheath, the central venous guide wire is removed, the hard guide steel wire is fed in the pubis joint direction from the guide hole 7 of the inner core 5, the feeding depth is preferably two to three millimeters less than the puncture point measured in vitro to the pubis joint length, so that the patient can be subjected to the minimum trauma, and can recover more quickly; the inner core 5 is pulled out, the sliding block 17 is moved to the abdomen to be contacted with the abdomen, the sliding block 17 drives the stabilizing structure 3 to move towards the abdomen together, the screw cap 21 is screwed, the stabilizing ring 18 is contracted until the outer sleeve 2 is fastened by the stabilizing ring 18, the outer sleeve 2 is favorably fixed, and the dialysis process is favorably and smoothly completed; the peritoneal dialysis catheter is fed along the guide steel wire, and the head end of the peritoneal dialysis catheter is clearly positioned in the bladder rectum concavity through ultrasonic examination. If the head end of the catheter is not in place, the guide steel wire can be repeatedly matched with the outer sleeve 2 to adjust the position, the upper valve column body 12 is removed, the inner CUFF placement depth is measured, the fact that the CUFF placement depth is located in the rectus abdominis and does not enter the abdominal cavity is clear, or if the position is too deep or too shallow, the upper valve column body 12 is timely adjusted, the lower valve column body 13 is removed, the catheter is used for guiding the peritoneal dialysis catheter by a tunnel needle, an arched upward tunnel is established by puncture in the fat layer, the catheter is led out from the lateral abdominal wall, the test is carried out, the inlet and outlet of the peritoneal dialysis catheter are smooth, the titanium connector and the external short pipe are.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A peritoneal dialysis catheter auxiliary implantation device comprises a central venous catheter (1), an outer sleeve (2), a stabilizing structure (3), a fixing structure (4) and an inner core (5), and is characterized in that the outer sleeve (2) is sleeved outside the inner core (5), the inner core (5) comprises a limiting ring (6), a guide hole (7) and a tube body (8), the guide hole (7) penetrating through the tube body (8) is formed in the middle of the inner portion of the tube body (8), the limiting ring (6) is arranged at the left end of the tube body (8), the outer sleeve (2) comprises an upper valve cylinder (12) and a lower valve cylinder (13), the upper valve cylinder (12) and the lower valve cylinder (13) are hollow semi-cylinders, limiting semi-rings are arranged at the left end portions of the upper valve cylinder (12) and the lower valve cylinder (13), the upper valve cylinder (12) and the lower valve cylinder (13) are structurally symmetrical, the central venous catheter (1) can freely move in the guide hole, outer tube (2) overcoat is equipped with fixed knot and constructs (4) and stable structure (3), fixed knot constructs (4) including sliding block (17) and perforation (15), and sliding block (17) middle part is provided with perforation (15), stable structure (3) are drawn together stable ring (18), connecting rod (19) and bolt (20), and the stable ring (18) middle part left and right sides all is provided with connecting rod (19), connecting rod (19) end connection sliding block (17), and stable ring (18) bottom left side is provided with left keyhole (23), and stable ring (18) bottom right side is provided with right keyhole (22), and bolt (20) are passed left keyhole (23) and right keyhole (22) from the left hand right hand side, and bolt (20) right-hand member is provided with nut (21).

2. The peritoneal dialysis catheter auxiliary implantation device of claim 1, wherein the guide hole (7) is one millimeter in diameter and the tube body (8) is six millimeters in outer diameter.

3. The peritoneal dialysis catheter auxiliary implantation device of claim 1, wherein the stop collar (6) has an outer diameter of ten millimeters and the inner core (5) has a length of one hundred and fifty millimeters.

4. The peritoneal dialysis catheter auxiliary implantation device as claimed in claim 1, wherein the outer sleeve (2) is one hundred forty millimeters long, and the upper flap cylinder (12) and the lower flap cylinder (13) are ten millimeters in outer diameter after being closed together.

5. The peritoneal dialysis catheter auxiliary implantation device of claim 1, wherein the inner diameter of the upper valve cylinder (12) and the lower valve cylinder (13) is six millimeters after being closed, and the outer diameter of the two limiting half rings is twenty millimeters after being closed.

6. The peritoneal dialysis catheter auxiliary implantation device of claim 1, wherein the stop half ring is two millimeters thick, and the stop ring (6) is two millimeters thick.