CN207270551U

CN207270551U - A kind of peritoneal dialysis tube-placing device

Info

Publication number: CN207270551U
Application number: CN201720239584.7U
Authority: CN
Inventors: 张剑彬; 李贞�
Original assignee: Yongchuan Hospital of Chongqing Medical University
Current assignee: Yongchuan Hospital of Chongqing Medical University
Priority date: 2017-03-13
Filing date: 2017-03-13
Publication date: 2018-04-27
Anticipated expiration: 2027-03-13

Abstract

The utility model discloses a kind of peritoneal dialysis tube-placing device, including the first conduit (1), match somebody with somebody in first conduit (1) and be arranged with the second conduit (2), first conduit (1) is additionally provided with and the second conduit (2) matching used puncture needle core (3) and guide bushings (4), the puncture needle core (3) is fed through the second conduit (2) and penetrates peritonaeum, the guide bushings (4) enter dialysis position along the penetration site of puncture needle core (3), seal wire (5) is also equipped with the guide bushings (4).The utility model is made of with minimally invasive, safe efficient the first conduit, the second conduit, puncture needle core and guide bushings, and can pinpoint disposable dialysis put tube assembly, simple in structure, simple operation is applied widely.

Description

A kind of peritoneal dialysis tube-placing device

Technical field

Medical apparatus manufacturing field is the utility model is related to, more particularly to a kind of peritoneal dialysis tube-placing device.

Background technology

Percutaneous puncture peritoneal dialysis tube placing operation is limited, it is difficult to accurate since damage internal organs risk is very high by operative incision Dialysis tubing is positioned over suitable position, puts tube failure rate height.Someone improves piercing method, Ke Yiyou with homemade abdominal cavity trochar The control of effect ground is put pipe and is damaged caused by patient, and complication incidence can be controlled in relatively low level.But this method still suffers from Improved space, on the one hand lacks convenient, the efficient disposable puncture external member as deep venous puncture art, is unfavorable for base The extensive development of layer hospital；On the other hand be difficult to the position of clear and definite peritoneum dialysis catheter abdomen inner segment, easily occur conduit place it is too deep, Pipeline stimulates rectum, causes patient's lower abdomen uncomfortable；Or conduit placed shallow, easy generation peritoneum dialysis catheter displacement, omentum majus bag The generation of complication such as wrap up in, therefore, there is an urgent need to improve the use in tube placing operation by the medical personnel for being engaged in peritoneal dialysis work Performance and stability.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of convenient peritoneal dialysis tube-placing device being accurately positioned.

The technical solution of the utility model is as follows：

A kind of peritoneal dialysis tube-placing device, including the first conduit, should with the second conduit is arranged with first conduit First conduit is additionally provided with matching used with the second conduit puncture needle core and guide bushings, and the puncture needle core is fed through second Conduit simultaneously penetrates peritonaeum, and the guide bushings enter dialysis position along the penetration site of puncture needle core, in the guiding set Seal wire is also equipped with pipe.

Using above structure, it is socketed in equipped with the second conduit in the first conduit, and wears out the first conduit, combination forms one The expanding channel of pipe operation is put in a peritoneal dialysis, then puncture needle core is stretched into the second conduit, and syringe needle is stretched out the second conduit, Piercing needle is pierced into abdominal cavity, and syringe needle slightly exits, and the thinner head end of first, second conduit of combination is rotated along puncture needle and is pierced into abdomen Chamber, then puncture needle core is integrally taken out, and use guide bushings instead, the tube body of guide bushings continues to point to perform the operation under color ultrasound guidance Position moves ahead, such as bladder rectum is recessed or the positions such as uterus rectum is recessed, after reaching surgery location, is built into and leads in guide bushings Silk, seal wire extract the second conduit and guide bushings and continue the first conduit of indwelling, finally, edge to after reaching Douglas depression The passage for the foundation of the first conduit is sent into peritoneal dialysis catheters along seal wire, dialyses in surgery location, simple in structure, positioning Accuracy is high, and operating time is short, wound is small need not open abdomen peritoneal suture, alleviate patient suffering, improves dialysis operation Quality.

For the ease of fixed and dismounting, overdistension wound position is avoided, preferably, first conduit is half Opening guide, is additionally provided with boss on first conduit；The endoporus of second conduit is bellmouth, which is equipped with platform Stage, the step section are socketed in boss, and the second conduit is fed through in the first conduit, the outside diameter and boss of the step section Internal diameter size be adapted.

In order to stablize the position of dialysis insertion, reduce surgical procedure scope, and energy Reduction surgery wound, preferably, institute Stating puncture needle core includes needle handle, needle body and piercing needle, and the needle body is pre-small post-large step-like structure, and big step section is cone Shape, the big step section of the cone-shaped are adapted to the endoporus fitting of the second conduit, and the needle handle and the second conduit are appeared on the stage the stage one The end face fitting of side, and piercing needle is worn out the other end of the second conduit.

In order to avoid injuring histoorgan, while also to meet to guide requirement in place, as requiring, the guide bushings Including tube body and pipe handle, the pipe handle is taper structure, and catch, the tube body are equipped with the junction of the tube body and pipe handle One end of the second conduit is worn out, and is bonded the appear on the stage end face of stage side of the catch and the second conduit；The tube body and pipe Handle is equipped with perforative guide hole, and the tube body is stretched into peritonaeum along the penetration site of piercing needle, and the seal wire, which is fed through, leads Hole reaches dialysis position.

In order to not injure other injected organism tissues in bootup process, mitigate patient suffering, preferably, the tube body stretches into The end face at end is arc-shaped structure.

In order to reduce damage, while easy to guiding operation, preferably, one end of the seal wire is round blunt shape, the seal wire Finer wire is inside additionally provided with, the finer wire drives and guides seal wire to reach dialysis position.

In order to reduce patient suffering, the usage comfort of patient is improved, preferably, the seal wire is by polyethylene or poly- ammonia Base Ethyl formate material is made.

Beneficial effect：The utility model is made of with micro- the first conduit, the second conduit, puncture needle core and guide bushings Create, is safe efficient, and pinpoint can disposably dialyse and put tube assembly, simple in structure, simple operation is applied widely.

Brief description of the drawings

Fig. 1 is the mounting structure schematic diagram of the utility model.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in Figure 1, the utility model is made of first conduit 1 etc., and first conduit 1 is half opening conduit, this Boss 11 is additionally provided with one conduit 1, the endoporus of second conduit 2 is bellmouth, which is equipped with step section 21, The step section 21 is socketed in boss 11, and the second conduit 2 is fed through in the first conduit 1, the outside diameter of the step section 21 with The internal diameter size of boss 11 is adapted, and combination forms the passage that pipe operation is put in a peritoneal dialysis.

First conduit 1 is additionally provided with and the second conduit 2 matching used puncture needle core 3 and guide bushings 4, the puncture Needle core 3 includes needle handle 31, needle body 32 and piercing needle 33, and the needle body 32 is pre-small post-large step-like structure, big step section For cone-shaped, the big step section of the cone-shaped is adapted to the endoporus fitting of the second conduit 2, on 31 and second conduit 2 of needle handle The end face fitting of 21 side of step section, and piercing needle 33 is worn out the other end of the second conduit 2, which wears Cross the second conduit 2 and penetrate peritonaeum.

The guide bushings 4 include tube body 41 and pipe handle 42, and the end face of 41 inserting end of tube body is arc-shaped structure, institute It is taper structure to state pipe handle 42, is equipped with catch 43 in the junction of the tube body 41 and pipe handle 42, the tube body 41 is worn out One end of second conduit 2, and it is bonded the appear on the stage end face of 21 side of stage of the catch 43 and the second conduit 2；41 He of tube body Pipe handle 42 is equipped with perforative guide hole, and the tube body 41 stretches into intraperitoneal along the penetration site of piercing needle 33.

Seal wire 5 is also equipped with the guide bushings 4, the seal wire 5 is by polyethylene or polyurethane material It is made, one end of the seal wire 5 is round blunt shape, and finer wire 51 is additionally provided with the seal wire 5, and the finer wire 51 drives and guides seal wire 5 reach dialysis position.

The application method of the utility model is as follows：

As shown in Figure 1, assembly direction as shown in shown in arrow between each component is directed toward, the second conduit 2, which is socketed in, to be set Have in the first conduit 1 of half opening, and wear out the first conduit 1, the outside diameter of step section 21 is mutually fitted with the internal diameter size of boss 11 Match somebody with somebody, combination forms a peritoneal dialysis and puts the passage of pipe operation, while also allows for retracting afterwards in place；Again the pin of puncture needle core 3 Body 32 is stretched into the second conduit 2, and stretches out the second conduit 2, and be pierced into piercing needle 33 it is intraperitoneal, while syringe needle is exited, Abdominal cavity is pierced into while the thinner head end of first, second conduit of combination is rotated along puncture needle, until the bellmouth of the second conduit 2 Corresponding head body junction is expanded into rectus aabdominis, takes out puncture needle core 3 is overall, then, uses 4 sets of guide bushings instead and accesses the In two casings 2, the tube body 41 of guide bushings 4 continues to point to surgery location under color ultrasound guidance and moves ahead, for example, bladder rectum it is recessed or Position, the end face upper limits that catch 43 is connected to step section 21 such as uterus rectum is recessed are fixed, and after reaching surgery location, are covered in guiding 42 one end of pipe handle of pipe 4, inserts seal wire 5 from guide hole position, is equipped with finer wire 51 in seal wire 5, finer wire 51 drives and guides and leads After silk 5 reaches dialysis position (Douglas depression), extract the second conduit 2 and guide bushings 4 and continue the first conduit of indwelling, most Afterwards, peritoneal dialysis catheters are sent into along seal wire 5 along the passage that the first conduit 1 is established, finally dialysed in surgery location, tied Structure is simple, and positioning accuracy is high, and operating time is short, wound is small need not open abdomen peritoneal suture, alleviate patient suffering, improve The quality of dialysis operation.

The non-description section of the utility model is consistent with the prior art, and therefore not to repeat here.

It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit The equivalent structure made with the utility model specification and accompanying drawing content, is directly or indirectly used in other relevant technology necks Domain, similarly within the scope of patent protection of the utility model.

Claims

A kind of 1. peritoneal dialysis tube-placing device, it is characterised in that：It is supporting in first conduit (1) including the first conduit (1) Equipped with the second conduit (2), which is additionally provided with and the second conduit (2) matching used puncture needle core (3) and guiding Casing (4), the puncture needle core (3) are fed through the second conduit (2) and penetrate peritonaeum, and the guide bushings (4) are along puncture needle The penetration site of core (3) enters dialysis position, and seal wire (5) is also equipped with the guide bushings (4).
A kind of 2. peritoneal dialysis tube-placing device according to claim 1, it is characterised in that：First conduit (1) is half Opening guide, is additionally provided with boss (11) on first conduit (1)；The endoporus of second conduit (2) is bellmouth, this second is led Pipe (2) is equipped with step section (21), and it is interior that the step section (21) is socketed in boss (11), and the second conduit (2) is fed through the In one conduit (1), the outside diameter of the step section (21) is adapted with the internal diameter size of boss (11).
A kind of 3. peritoneal dialysis tube-placing device according to claim 1, it is characterised in that：The puncture needle core (3) includes Needle handle (31), needle body (32) and piercing needle (33), the needle body (32) are pre-small post-large step-like structure, and big step section is Cone-shaped, the big step section of the cone-shaped are adapted to the endoporus fitting of the second conduit (2), the needle handle (31) and the second conduit (2) appear on the stage the stage end face fitting of (21) side, and piercing needle (33) is worn out the other ends of the second conduit (2).
A kind of 4. peritoneal dialysis tube-placing device according to claim 1, it is characterised in that：The guide bushings (4) include Tube body (41) and pipe handle (42), the pipe handle (42) is taper structure, in the junction of the tube body (41) and pipe handle (42) Equipped with catch (43), the tube body (41) wears out one end of the second conduit (2), and makes the catch (43) and the second conduit (2) appear on the stage the stage (21) side end face fitting；The tube body (41) and pipe handle (42) are equipped with perforative guide hole, the tube body (41) penetration site along piercing needle (33) is stretched into peritonaeum, and the seal wire (5) is fed through guide hole and reaches dialysis position.
A kind of 5. peritoneal dialysis tube-placing device according to claim 4, it is characterised in that：Tube body (41) inserting end End face is arc-shaped structure.
A kind of 6. peritoneal dialysis tube-placing device according to claim 1, it is characterised in that：One end of the seal wire (5) is Round blunt shape, the seal wire (5) is interior to be additionally provided with finer wire (51), and the finer wire (51), which drives, simultaneously guides seal wire (5) to reach dialysis position Put.
A kind of 7. peritoneal dialysis tube-placing device according to claim 6, it is characterised in that：The seal wire (5) is by polyethylene Or polyurethane material is made.