CN208404772U

CN208404772U - Percutaneous transhepatic cholangiography and drainage art puncture outfit

Info

Publication number: CN208404772U
Application number: CN201720907852.8U
Authority: CN
Inventors: 张瑞芳; 魏振玲; 郑权; 师文强
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-25
Filing date: 2017-07-25
Publication date: 2019-01-22
Anticipated expiration: 2027-07-25

Abstract

The utility model discloses a kind of percutaneous transhepatic cholangiography and drainage art puncture outfits, including piercing needle and syringe, strip through-hole is offered on the nipple at syringe, with silk guide passage is attached in the barrel sidewall of strip through-hole corresponding position, silk guide passage right end entrance is provided with rubber stopper；Syringe right end is symmetrically arranged with upper and lower limit bit slice, and upper limit on piece offers seal wire entrance hole and seal wire fixation hole, and seal wire successively enters in silk guide passage through seal wire entrance hole, rubber stopper, and is pierced by piercing needle outward by strip through-hole；Lower limit bit slice is hinged with limiting stand by positive stop strip.The upper limit bit slice of the utility model avoids the occurrence of the phenomenon that causing piercing needle to slip due to the piercing needle when be placed in seal wire is shaken, increases puncture drainage chance of success, reduce patient's slight illness for fixing seal wire；Constant negative pressure is provided for syringe by limiting stand, puncture position can be confirmed by whether flowing into bile in observation syringe, reduce inserting needle number.

Description

Percutaneous transhepatic cholangiography and drainage art puncture outfit

Technical field

The utility model relates to medical auxiliary apparatus, puncture more particularly, to a kind of percutaneous transhepatic cholangiography and drainage art Device.

Background technique

Obstruction of bile duct is liver and gall surgical department's common disease, is a kind of higher disease of the death rate, Duo Shuoji in Surgical Acute Venter Diseases It sends out caused by the lesions such as calculus of bile duct and cholangiocarcinoma.Percutaneous transhepatic cholangiography and drainage art (i.e. PTCD) is the weight for treating obstruction of bile duct Treatment means are wanted, percutaneously penetrate stones in intrahepatic bile duct using puncture needle, then contrast agent is directly injected into biliary tract but extrahepatic duct Development rapidly, while biliary drainage is carried out by angiography tube.Puncture needle is generally made of needle stand, syringe needle and needle core, puncture drainage When generally use two-step method, i.e., the indwelling puncture needle needle core in puncture process, puncture needle extracts needle core out after reaching target, use Syringe extracts bile, it is ensured that needle point enters by puncture needle indwelling seal wire after bile duct, then by seal wire indwelling drainage tube (if It without bile in syringe, needs to puncture again, until bile can be extracted out in syringe).Above-mentioned puncture needle is primarily present following Defect: can not confirm whether syringe needle enters bile duct during inserting needle, need inserting needle repeatedly, site of puncture is caused inflammation etc. occur There is bleeding in complication or operative site, while increasing patient's slight illness；When placing seal wire again after extracting needle core, it is easy because puncturing Needle is shaken and causing needle point to slip out of bile duct leads to puncture failure, reduces success rate of operation, increases operation risk.

Summary of the invention

The utility model aim is to provide a kind of easy to operate, highly-safe percutaneous transhepatic cholangiography and drainage art with wearing Device is pierced, which can continue to provide negative pressure, effectively reduce inserting needle number.

To achieve the above object, the utility model takes following technical proposals:

Percutaneous transhepatic cholangiography and drainage art puncture outfit described in the utility model, including piercing needle, further include by needle The needle stalk of the syringe that cylinder, piston, push rod are constituted, the piercing needle is hollow structure, and piercing needle is arranged in the syringe Nipple on, connected between the nipple and the syringe by arc transition, offered on the nipple at the syringe It is attached with silk guide passage on strip through-hole, with the barrel sidewall of strip through-hole corresponding position, the silk guide passage is to the right It extends in the middle part of syringe at position to the right, the entrance of silk guide passage right end is provided with arcuate guide side, leads close to the arc It is provided with into the silk guide passage at side with the rubber stopper for penetrating through-hole；

The syringe right end is symmetrical above and below to be provided with upper limit bit slice and lower limit bit slice, and the upper limit bit slice and the seal wire are logical Road import is correspondingly arranged, and upper limit on piece offers seal wire entrance hole and seal wire fixation hole in a strip shape, the seal wire entrance hole Setting is connected to seal wire fixation hole, seal wire successively enters in silk guide passage through seal wire entrance hole, rubber stopper, and passes through the strip Through-hole is pierced by the piercing needle outward；The lower limit on piece is provided with horizontal-extending positive stop strip to the right, the positive stop strip On be hinged with limiting stand for push rod drawing handle described in block.

The diameter of the seal wire entrance hole is greater than the diameter of the seal wire, and the width of the seal wire fixation hole is less than seal wire Diameter.

The seal wire fixation hole at least two, at least two seal wire fixation holes are between the seal wire entrance hole is circumferential uniformly Every setting；Seal wire specification label is provided with the upper limit on piece of each seal wire fixation hole corresponding position.

The limiting stand is two station limiting stands.

The utility model advantage is that structure is simple, at low cost, easy to operate, effectively reduces inserting needle number.Upper limit bit slice It is not only convenient for operating with lower limit bit slice, while upper limit bit slice can also fix seal wire, and is capable of fixing the seal wire of different-diameter, have Effect avoids the occurrence of the phenomenon that causing piercing needle to slip due to piercing needle is shaken when be placed in seal wire, and it is successfully several to increase puncture drainage It is ailing to reduce patient for rate；Constant negative pressure is provided for syringe by limiting stand, by whether flowing into bile in observation syringe Confirm puncture position, reduces inserting needle number.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the schematic diagram of upper limit bit slice in Fig. 1.

Fig. 3 is the connection schematic diagram of silk guide passage and syringe described in the utility model.

Specific embodiment

As shown in Figure 1-3, percutaneous transhepatic cholangiography and drainage art puncture outfit described in the utility model, including piercing needle 1, it further include the syringe being made of syringe 2, piston 3, push rod 4, piercing needle 1 is arranged on 2 nipple of syringe, piercing needle 1 Needle stalk be hollow structure, be made of stainless steel material；Nipple is connect with syringe 2 by arc transition, the cream at syringe 2 Strip through-hole 5 is offered on head, and is attached with silk guide passage 6 on 2 side wall of syringe of 5 corresponding position of strip through-hole, seal wire is logical Road 6 is connect with 2 nipple rounding off of syringe, can smoothly enter into seal wire in the pintle of piercing needle 1, and silk guide passage 6 extends to the right To 2 middle part of syringe to the right position, the entrance of 6 right end of silk guide passage is provided with arcuate guide side, at arcuate guide side Silk guide passage 6 in be provided with the rubber stopper 7 of through-hole is penetrated, be convenient for sealing injection device, gas avoided to enter, be conducive to negative pressure It is formed, penetrates through-hole and pass through convenient for seal wire；

As shown in Figure 1 and Figure 2,2 right end of syringe is symmetrical above and below is provided with upper limit bit slice 8 and lower limit bit slice 9, upper limit bit slice 8 with 6 import of silk guide passage is correspondingly arranged, and seal wire entrance hole 10 and two seal wire fixation holes in a strip shape are offered on upper limit bit slice 8, Two seal wire fixation holes are circumferentially uniformly arranged along seal wire entrance hole 10, and are connected with seal wire entrance hole 10, two seal wire fixation holes Width is slightly less than the diameter of seal wire, and different rule are made in two seal wire fixation holes respectively when reality manufactures convenient for fixed seal wire Lattice, to meet the needs of different-diameter seal wire, for convenient for difference, be printed on the upper limit bit slice 8 of seal wire fixation hole corresponding position It is the diameters of fixed seal wire that seal wire specification, which marks 13()；The diameter of seal wire entrance hole 10 is greater than the diameter of seal wire, so as to It is passed through in seal wire, when puncture, seal wire successively enters in silk guide passage 6 through seal wire entrance hole 10, rubber stopper 7, then passes through The strip through-hole 5 of 6 front end of silk guide passage enters in piercing needle 1, is finally pierced by out of piercing needle 1；It is arranged on lower limit bit slice 9 There is horizontal-extending positive stop strip 11 to the right, the limiting stand 12 for 4 drawing handle of block push rod is hinged on positive stop strip 11, limits Platform 12 is two station limiting stands, limiting stand 12 be located at the inside of positive stop strip 11 and with 2 inside of syringe to it is corresponding when state, be used for The drawing handle of block push rod 4, anti-throw-out lever 4 is slided to the front end of syringe 2, when A is turned out 90 degree to limiting stand 12 along Fig. 1 When (rotating counterclockwise 90 degree), limiting stand 12 deviates 2 inside of syringe, and limiting stand 12 is in non-limit state at this time, negative taking out Pass through during pressure convenient for drawing handle.

When operation, piercing needle 1 is fixed on nipple, while seal wire is placed in silk guide passage 6 by seal wire entrance hole 10 Inner guide wire implantation site is advisable with being located on the right side of strip through-hole 5, then seal wire is fixed in seal wire fixation hole, and by seal wire tail End is fixed；Then point of puncture is selected, after piercing needle 1 enters subcutaneous tissue, push rod 4 is pulled out and draws its drawing handle It moves to limiting stand 12, syringe 2 is in continuous negative pressure state at this time, and piercing needle 1 penetrates target position under B-ultrasound Place is set, after the needle point of piercing needle 1 enters bile duct, due to suction function, bile enters in syringe 2, operates doctor one at this time Syringe 2 is held, the other hand releases seal wire out of seal wire fixation hole, and assistant takes advantage of a situation and pushes seal wire forward, and seal wire is from strip through-hole 5 It is pierced by from the needle point of piercing needle 1 after into piercing needle 1, seal wire is placed in bile duct, be then log out piercing needle 1, stay Seal wire is set, drainage tube is placed in bile duct along seal wire, exits seal wire, puncture procedure finally is can be completed into drainage tube fixation；If note Do not occur bile in emitter, only need to change syringe needle direction under ultrasound, is not necessarily to repeated puncture.

The advantages of the utility model major embodiment following aspect:

1, continuous negative pressure is provided, it is ensured that puncture in place: after piercing needle 1 is inserted into subcutaneous tissue, pulling back push rod 4 and lead to It crosses limiting stand 12 to be limited, provides continuous negative pressure for puncture process, by observing whether bile enters confirmation puncture in syringe 2 Whether in place, without pull needle core syringe needle 1 can confirm whether puncture position is correct.

2, puncture procedure is simple, puncture success rate is high: penetrating piercing needle 1 in patient's bile duct when puncture, seal wire is through leading Silk entrance hole 10, silk guide passage 6 are pierced by from piercing needle 1, and silk guide passage 6 has guidance position-limiting action to seal wire；It can before puncture Seal wire is preferentially fixed on puncture outfit appropriate location by corresponding seal wire fixation hole, confirmation puncture needle enters in bile duct Afterwards, seal wire can take advantage of a situation push-in, avoid causing piercing needle 1 to slip out of bile duct because of merging seal wire, and then avoid secondary puncture, together When mitigate patient pain.

3, structure is simple, low cost.

Claims

1. a kind of percutaneous transhepatic cholangiography and drainage art puncture outfit, including piercing needle (1), it is characterised in that: further include by needle The needle stalk of the syringe that cylinder (2), piston (3), push rod (4) are constituted, the piercing needle (1) is hollow structure, piercing needle (1) It is arranged on the nipple of the syringe (2), is connect between the nipple and the syringe (2) by arc transition, close to syringe (2) strip through-hole (5) are offered on the nipple at, and are adhered on syringe (2) side wall of strip through-hole (5) corresponding position Have silk guide passage (6), the silk guide passage (6) extends right up in the middle part of syringe (2) at position to the right, silk guide passage (6) right end Entrance be provided with arcuate guide side, be provided in the silk guide passage (6) at the arcuate guide side logical with penetrating The rubber stopper (7) in hole；

Syringe (2) right end is symmetrical above and below to be provided with upper limit bit slice (8) and lower limit bit slice (9), the upper limit bit slice (8) and institute It states silk guide passage (6) import to be correspondingly arranged, seal wire entrance hole (10) is offered on upper limit bit slice (8) and seal wire in a strip shape is fixed Hole, the seal wire entrance hole (10) are connected to setting with seal wire fixation hole, and seal wire is successively through seal wire entrance hole (10), rubber stopper (7) In into silk guide passage (6), and the piercing needle (1) is pierced by by the strip through-hole (5) outward；The lower limit bit slice (9) it is provided with horizontal-extending positive stop strip (11) to the right on, is hinged on the positive stop strip (11) for push rod described in block (4) The limiting stand (12) of right end drawing handle.

2. percutaneous transhepatic cholangiography and drainage art puncture outfit according to claim 1, it is characterised in that: the seal wire imports The diameter in hole (10) is greater than the diameter of the seal wire, and the width of the seal wire fixation hole is less than the diameter of seal wire.

3. percutaneous transhepatic cholangiography and drainage art puncture outfit according to claim 2, it is characterised in that: the seal wire is fixed Hole at least two, at least two seal wire fixation holes are arranged along the seal wire entrance hole circumferential direction uniform intervals；It is solid with each seal wire Determine to be provided with seal wire specification label (13) on the upper limit bit slice (8) of hole corresponding position.

4. percutaneous transhepatic cholangiography and drainage art puncture outfit according to claim 1, it is characterised in that: the limiting stand It (12) is two station limiting stands.