CN209347170U - A kind of transhepatic cholangiography puncturing kit - Google Patents
A kind of transhepatic cholangiography puncturing kit Download PDFInfo
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- CN209347170U CN209347170U CN201821135482.1U CN201821135482U CN209347170U CN 209347170 U CN209347170 U CN 209347170U CN 201821135482 U CN201821135482 U CN 201821135482U CN 209347170 U CN209347170 U CN 209347170U
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- needle
- puncture
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- puncture needle
- catheter sheath
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Abstract
The utility model provides a kind of transhepatic cholangiography puncturing kit, comprising: puncture needle component and catheter sheath；The catheter sheath includes bilateral interconnecting piece, sheath and side pipe；The sheath is connected to the side pipe by the bilateral interconnecting piece；The catheter sheath is equipped with the catheter lumen penetrated for the puncture needle component, and the puncture needle component passes through the catheter lumen and the removable connection of the catheter sheath.The utility model is by being arranged bilateral in the catheter sheath, and sheath and side pipe are connected to by the bilateral interconnecting piece, to when carrying out puncturing operation, it can be under the premise of retaining seal wire without taking out, the injection of contrast agent is carried out by side pipe to realize side pipe radiography, it avoids in puncturing operation operating process, takes out the case where abjection biliary tract caused by seal wire leads to puncture failure, bring great convenience for the arteriography of doctor.
Description
Technical field
The utility model belongs to the field of medical instrument technology more particularly to a kind of transhepatic cholangiography puncturing kit.
Background technique
Puncture is a medical surgery term, be will puncture be needled into body cavity extract secretion chemically examine, to body cavity inject
Gas or contrast agent do contrast examination, or into body cavity injection of medicine a kind of Clinics.The purpose of puncture is blood test,
Blood transfusion, infusion and merging conduit do angiography.
Obstructive jaundice common disease factor has cholangiocarcinoma, cholelithiasis etc., and often disease time is longer by such patient, but body
The mesh xanthochromia time is shorter, is frequently accompanied by liver function damage.Percutaneous transhepatic cholangiography and drainage art (PTCD, percutaneous
Transhepaticcholangial drainage) there is help meaning for such patient.Current clinically common PTCD
Art usually uses one-step method puncture technique, and such method has many advantages, such as short without exchange, puncture time.But its sting device
Also have the shortcomings that certain.
In the sting device of existing step puncture method, successfully enter outer sheath along seal wire when puncturing, if thinking further
Radiography needs to take out the seal wire in outer sheath, if to enter depth inadequate for sheath at this time, is easy abjection biliary tract and causes to puncture to lose
It loses, brings great inconvenience to the arteriography of doctor, and the safety for bringing operative failure to patient to a certain extent is hidden
Suffer from.
Utility model content
To solve the above problems, the utility model provides a kind of transhepatic cholangiography puncturing kit, comprising:
Puncture needle component and catheter sheath；
The catheter sheath includes bilateral interconnecting piece, sheath and side pipe；
The sheath is connected to the side pipe by the bilateral interconnecting piece；
The catheter sheath is equipped with the catheter lumen penetrated for the puncture needle component, and the puncture needle component passes through the conduit
Chamber and the removable connection of the catheter sheath.
Preferably, the catheter sheath further includes the counnter attack valve set on the bilateral interconnecting piece；
The counnter attack valve is set to one end corresponding with the sheath in the bilateral interconnecting piece.
Preferably, the transhepatic cholangiography puncturing kit, further includes expander；
The expander includes the expansion pedestal that expansion is managed, connect with the expansion pipe, and is set to the expansion pedestal
On shackle member；
The outer diameter of the expander is less than the internal diameter of the sheath；
The expander passes through the catheter lumen and the removable connection of the catheter sheath；
The expander is equipped with the expansion cavity penetrated for the puncture needle component；
When the expander is inserted into the catheter sheath, the shackle member and the counnter attack valve are clamped.
Preferably, the catheter sheath is the catheter sheath of 5Fr.
Preferably, the puncture needle component further includes external puncture needle and removable needle core；
The external puncture needle offers the puncture chamber penetrated for the removable needle core, and the removable needle core passes through institute
Puncture chamber is stated to be detachably connected with the external puncture needle；
The removable needle core intracavitary can be moved in described puncture along the length direction of the external puncture needle.
Preferably, the transhepatic cholangiography puncturing kit further includes seal wire；
The seal wire outer diameter is less than the intracavitary diameter of the puncture of the external puncture needle, for taking out in the removable needle core
After out, the seal wire replaces the removable needle core and penetrates the puncture chamber.
Preferably, the outer diameter of the seal wire is 0.05-0.1 centimetres；
The length of the seal wire is 50 centimetres.
Preferably, the external puncture needle includes sequentially connected needle stand, connecting tube and needle tubing；
The needle tubing is equipped with syringe needle away from one end of the connecting tube.
Preferably, the external puncture needle further includes on the needle tubing and can be movable along the needle tubing length direction
Moving valve；
The moving valve is for marking and the penetration length of the needle tubing.
Preferably, it is equipped with scale on the outside of the needle tubing, the distance punctured for measuring the needle tubing.
The utility model provides a kind of transhepatic cholangiography puncturing kit, comprising: puncture needle component, expander and catheter sheath；It is described
Catheter sheath includes bilateral interconnecting piece, sheath and side pipe；The sheath is connected to the side pipe by the bilateral interconnecting piece；It is described
Catheter sheath is equipped with the catheter lumen penetrated for the expander, and the expander is removable by the catheter lumen and the catheter sheath
Connection；The expander is equipped with the expansion cavity penetrated for the puncture needle component, and the puncture needle component passes through the expansion cavity
With the removable connection of the expander.By the way that bilateral is arranged in the catheter sheath, and sheath is connected to by the bilateral interconnecting piece
And side pipe, so that when carrying out puncturing operation contrast agent can be carried out by side pipe under the premise of retaining seal wire without taking out
Injection avoids in puncturing operation operating process to realize side pipe radiography, and taking out abjection biliary tract caused by seal wire causes to wear
The case where thorn failure, brings great convenience for the arteriography of doctor.
Detailed description of the invention
Fig. 1 is the combining structure schematic diagram of belt carcass piercing assembly in the application；Wherein, the partial enlargement including component 114
Figure；
Fig. 2 is the structural schematic diagram of the seal wire of liver and gallbladder puncturing kit in the application；
Fig. 3 is the partial enlargement structural representation of the external puncture needle of liver and gallbladder puncturing kit in the application；
Fig. 4 is the threaded connection schematic diagram in the application between needle core pedestal and needle stand；
Fig. 5 is the Integral connection structure schematic diagram of transhepatic cholangiography puncturing kit in the application；
Fig. 6 is the partial enlargement structural representation of bilateral interconnecting piece in the application；
Fig. 7 is the structural schematic diagram of catheter sheath in the application；
Fig. 8 is the structural schematic diagram of expander in the application；
Fig. 9 is the structural schematic diagram of catheter sheath and expander combination in the application.
Appended drawing reference:
| Title | Number | Title | Number |
| Transhepatic cholangiography puncturing kit | 1 | Straight parts | 1131 |
| Puncture needle component | 11 | Arch section | 1132 |
| External puncture needle | 111 | Catheter sheath | 12 |
| Needle stand | 1111 | Bilateral interconnecting piece | 121 |
| Second threaded connector | 11111 | Sheath | 122 |
| Connecting tube | 1112 | Side pipe | 123 |
| Needle tubing | 1113 | Catheter lumen | 124 |
| Syringe needle | 1114 | Counnter attack valve | 125 |
| Moving valve | 1115 | LED light | 126 |
| Laser locator | 1116 | Expander | 13 |
| Removable needle core | 112 | Expansion pipe | 131 |
| Needle core pedestal | 1121 | Expand pedestal | 132 |
| First threaded connector | 11211 | Shackle member | 133 |
| Core pipe | 1122 | Expansion cavity | 134 |
| Seal wire | 113 |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
Mode combined with specific embodiments below is described in further detail the technical solution of the utility model, but simultaneously
It does not constitute any limitation to the utility model, anyone limited times done within the scope of the utility model claims is repaired
Change, still within the scope of the claims of the utility model.
To solve the above problems, the utility model provides a kind of transhepatic cholangiography puncturing kit 1, comprising:
Puncture needle component and catheter sheath 12；
The catheter sheath 12 includes bilateral interconnecting piece 121, sheath 122 and side pipe 123；
The sheath 122 is connected to the side pipe 123 by the bilateral interconnecting piece 121；
The catheter sheath 12 is equipped with the catheter lumen 124 penetrated for the puncture needle component, and the puncture needle component passes through institute
State catheter lumen 124 and the removable connection of the catheter sheath 12.
Above-mentioned, the material of catheter sheath 12 can include but is not limited to polytetrafluoroethylene (PTFE), and external coating is silicone oil, dimethyl allene
Amide-epihydric alcohol acrylic ester copolymer.Catheter sheath 12 is disposable product, can pass through ethylene oxide sterilizing.
Above-mentioned, puncture needle component is the device for puncture, may include puncture needle and seal wire 113, for according to fixation
Region carries out puncture and positioning to hepatic duct.
During being punctured, after being punctured by puncture needle component, places seal wire 113 and positioned, and
Puncture needle is exited, and then catheter sheath 12 is inserted in seal wire 113, the as described seal wire 113 is placed in the inside of the catheter sheath 12,
And then radiography is carried out, the injection that contrast agent can be carried out by side pipe 123 is being accurately positioned to realize without taking out seal wire 113
On the basis of, radiography is directly carried out by the side pipe 123 of catheter sheath 12.
The utility model is connected to sheath by the bilateral interconnecting piece 121 by the way that bilateral is arranged in the catheter sheath 12
122 and side pipe 123, so that when carrying out puncturing operation side pipe 123 can be passed through under the premise of retaining seal wire 113 without taking out
The injection of contrast agent is carried out to realize 123 radiography of side pipe, is avoided in puncturing operation operating process, seal wire 113 is taken out and is made
At abjection biliary tract lead to puncture failure the case where, bring great convenience for the arteriography of doctor.
Preferably, the catheter sheath 12 further includes the counnter attack valve 125 set on the bilateral interconnecting piece 121；
The counnter attack valve 125 is set to one end corresponding with the sheath 122 in the bilateral interconnecting piece 121.
Preferably, the transhepatic cholangiography puncturing kit 1 further includes expander 13；
The expander 13 includes the expansion pedestal 132 expanding pipe 131, connecting with the expansion pipe 131, and is set to institute
State the shackle member 133 on expansion pedestal 132；
The outer diameter of the expander 13 is less than the internal diameter of the sheath 122；
The expander 13 passes through the catheter lumen 124 and the removable connection of the catheter sheath 12；
The expander 13 is equipped with the expansion cavity 134 penetrated for the puncture needle component；
When the expander 13 is inserted into the catheter sheath 12, the shackle member 133 is clamped with the counnter attack valve 125.
Above-mentioned, the outer diameter of expander 13 and the outer diameter of puncture needle component are respectively less than the internal diameter of catheter sheath 12, so expander
13 and puncture needle component can penetrate in the catheter lumen 124 of catheter sheath 12；Puncture needle component can penetrate the expansion of expander 13
In chamber 134.
Above-mentioned, expander 13 plays the role of support and increases intensity, and often skin is harder by xanthochromia patient, so in this reality
In novel, the expander 13 that a kind of outer diameter is less than 122 internal diameter of sheath is provided, can combine the expander 13 with sheath 122, and
The puncture needle component is penetrated in the expansion cavity 134 of the expander 13 after the combination, as, constitutes one from the inside to the outside
The respectively combination of puncture needle component, expander 13, catheter sheath 12, as a whole by the combination, to be led along seal wire 113
Enter target bile duct.
Above-mentioned, the material of expander 13 can include but is not limited to polypropylene, and coating is silicone oil, dimethylacrylamide-
Epihydric alcohol acrylic ester copolymer.Catheter sheath 12 is disposable product, ethylene oxide sterilizing.
Preferably, the catheter sheath 12 is the catheter sheath 12 of 5Fr.
Preferably, the puncture needle component 11 further include:
External puncture needle 111 and removable needle core 112；
The external puncture needle 111 offers the puncture chamber penetrated for the removable needle core 112, the removable needle core
112 are detachably connected by the puncture chamber with the external puncture needle 111；
The removable needle core 112 intracavitary can be moved in described puncture along the length direction of the external puncture needle 111.
Above-mentioned, external puncture needle 111 is hollow lumen, wherein including the puncture being passed to for removable needle core 112
Chamber, after the removable insertion of needle core 112 punctures chamber, realization is completely filled with and occupies wearing in the hollow structure of external puncture needle 111
Pierce chamber.
It is above-mentioned, it when being punctured, first has to say that external puncture needle 111 and removable needle core 112 are combined, as will
Removable needle core 112 is inserted into the external puncture needle 111, that is, passes through removable the wearing external puncture needle 111 of needle core 112
Thorn chamber is blocked, then transhepatic cholangiography puncturing kit 1 puncture to targeted surgical region, after reaching target position, can be taken out
The removable needle core 112 out retains external puncture needle 111, and then is inserted into other devices in external puncture needle 111 and is drained
Or radiography.
Above-mentioned, the material of puncture needle can include but is not limited to stainless steel, polycarbonate, be disposable product.
It is above-mentioned, ethylene oxide sterilizing process can be carried out before use.
In addition, the length of external puncture needle 111 can be 20cm.Currently, the length of existing one-step method puncture needle only has
15cm, when partially fat patients acuity obstruction needs to wear bile duct level-one branch even trunk, length may be insufficient；It is described after improvement
111 length of external puncture needle reaches 20cm, more advantageous relative to one-step method puncture needle, improves the success rate of operation, is hand
Art provides convenience.
The utility model is carrying out puncture hand by the intracavitary removable needle core 112 of setting of the puncture in external puncture needle 111
When art, after combined transhepatic cholangiography puncturing kit 1 is inserted into the operative regions such as biliary tract, the removable needle core 112 can be torn open
It other devices such as unloads and extracts, and then be inserted into seal wire 113 to be positioned, inject contrast agent etc., punctured to realize
During, the intracavitary removable needle core 112 of puncture is located at by the puncture chamber of external puncture needle 111 after piercing skin and is filled
Expire and occupy, i.e., hollow tubular structure in the prior art is not present in external puncture needle 111 in puncture process, so puncturing
When, the case where being not only not in the cutting of liver organization strip, but also will not be blocked up due to puncturing the intracavitary tissue that is cut off of entering
The external puncture needle 111 is filled in, is avoided when puncture channel is there are when artery and portal vein, since puncture needle produces liver
Lively-portal vein leakage, artery-bile duct leaks, portal vein-bile duct leaks caused by raw cutting damage, and prevented the blocking of puncture needle
Ensure going on smoothly for operation.In short, transhepatic cholangiography puncturing kit 1 provided by the utility model, on the one hand avoids puncture
To the cutting damage that liver generates, the blocking inside puncture needle is on the other hand avoided, is the puncture working side of bringing of doctor
Just, security risk brought by patient's damage as caused by puncturing has been prevented.
Preferably, the transhepatic cholangiography puncturing kit 1 further includes seal wire 113；
113 outer diameter of seal wire is less than the intracavitary diameter of the puncture of the external puncture needle 111, for described removable
After needle core 112 is extracted out, the seal wire 113 replaces the removable needle core 112 and penetrates the puncture chamber.
Preferably, the outer diameter of the seal wire 113 is 0.05-0.1 centimetres；
The length of the seal wire 113 is 50 centimetres.
The outer diameter of seal wire 113 is 0.05-0.1 centimetres, it is preferred that its outer diameter can be 0.0889 centimetre, as 0.035 English
It is very little.
Preferably, the seal wire 113 includes straight parts 1131 and the arc connecting with the straight parts 1131
Part 1132.
Above-mentioned, the material of seal wire 113 can include but is not limited to urethane resin, Nitinol.
Above-mentioned, seal wire 113 is disposable product, and ethylene oxide sterilizing process can be carried out before.
Above-mentioned, the outer diameter of seal wire 113 is 0.035 inch, can smoothly be penetrated described outer after removable needle core 112 exits
In the puncture chamber of portion's puncture needle 111, positioned.
Preferably, the external puncture needle 111 includes sequentially connected needle stand 1111, connecting tube 1112 and needle tubing 1113；
The needle tubing 1113 is equipped with syringe needle 1114 away from one end of the connecting tube 1112.
Above-mentioned, external puncture needle 111 includes needle stand 1111, connecting tube 1112, needle tubing 1113 and syringe needle 1114, the needle
First 1114 can be the syringe needle 1114 of the oblique section formula of traditional needle for injection 1114, or oval syringe needle
1114, i.e., to be tapering type setting by rear end to leading portion, head is most thin one end, and back periphery can be the ellipse of round and smooth setting
Circle, in this way setting make external puncture needle 111 after being pierced into skin, are further reduced cutting or other forms for tissue
Damage, improve the success rate of operation.
Preferably, the external puncture needle 111 further includes on the needle tubing 1113 and can be long along the needle tubing 1113
Spend the movable moving valve 1115 in direction；
The moving valve 1115 is for marking and the penetration length of the needle tubing 1113.
Above-mentioned, after moving valve 1115 is used to be pierced into skin for external puncture needle 111, measurement syringe needle 1114 enters vertical
Deep distance.In addition, moving valve 1115 is moveable valve 1115, it can be according to specific doctor needs or the practical skin of patient
The case where skin, is configured the position of moving valve 1115.
Above-mentioned, the penetration length is when carrying out the puncture of target site to patient, for example, syringe needle 1114 is pierced into gallbladder
Guan Hou is as set to external position and contact by sliding the moving valve 1115 to one end of the contact skin of needle tubing 1113
Skin can pass through the length of the syringe needle 1114 of the piercing skin of the moving valve 1115 to needle tubing 1113 after needle tubing 1113 is extracted
It measures needle tubing 1113 and enters intracorporal length.
Preferably, the connecting tube 1112 is equipped with laser locator 1116, for projecting to the direction of the syringe needle 1114
Laser is positioned.
Above-mentioned, laser locator 1116 is to emit laser towards patient skin end, the aiming dress for marking and positioning
It sets.Be that realization carries out after being marked at patient skin by marker pen during being punctured, by puncture needle to
Target area is punctured, and is punctured manually due to being in puncture process, so not can guarantee the correctness in the direction of puncture, so
Laser locator 1116 can be opened in puncture process, by the laser of the injection in connecting tube 1112, aimed at patient skin
Target area, to the direction of laser be guiding in puncture process, it is ensured that puncture the correctness in direction, worn for doctor
Thorn work provides convenience.
In addition, laser locator 1116 may also include power supply unit, power supply unit can be lithium battery, or knob
Battery is detained, connection type can be in the needle stand 1111, or realizes and is electrically connected by external connection.
Preferably, scale is equipped on the outside of the needle tubing 1113, the distance punctured for measuring the needle tubing 1113.
It is above-mentioned, it is equipped with readable on the outside of needle tubing 1113, the precision of measurement can be 0.1mm, in external puncture needle 111
After being pierced into skin, the depth distance of the measurement entrance of syringe needle 1114.
Preferably, the needle core includes needle core pedestal 1121 and the core pipe 1122 that connect with the needle core pedestal 1121；
The needle core pedestal 11211121 is equipped with the first threaded connector 11211 connecting with the needle stand 1111；It is described
Needle stand is equipped with the second threaded connector 11111 being threadedly coupled with first threaded connector 11211.
Above-mentioned, needle stand 1111 can pass through needle core pedestal 11211121 with needle core pedestal 11211121 to be threadedly coupled
Second threaded connector 11111 of the first threaded connector 11211 and needle stand 1111 is realized, in needle stand 1111 and needle core pedestal
After 11211121 are connected through a screw thread, realize closely combination, whole puncture can be carried out.
Preferably, the external puncture needle 111 is the external puncture needle 111 of 18G.
It is above-mentioned, it should be noted that G is the unit of the outer diameter of external puncture needle, the conversion of unit, formula are as follows: (36-
It is No. G corresponding)/20, the about millimeter of imported puncture needles (this formula is only applicable to 20G to 30G).Such as the calculating side of 22G
Method is: (36-22)/20=0.7 (mm) is equivalent to the specification of No. 7 puncture needles in China.However the upward G difference of 19G is about 0.2 millimeter,
Calculation formula is (corresponding No. G of 24-)/5.Such as the calculation method of 18G puncture needle is: (24-18)/5=1.2 (mm), phase
When in the specification of No. 12 puncture needles in China.
The technical side of the utility model is further illustrated below with reference to embodiment for the ease of understanding the utility model,
Case.The Applicant declares that the utility model illustrates the detailed process equipment and technique stream of the utility model through the foregoing embodiment
Journey, but the utility model is not limited to above-mentioned detailed process equipment and process flow, that is, does not mean that the utility model is necessary
Relying on above-mentioned detailed process equipment and process flow could implement.It should be clear to those skilled in the art, to this reality
With novel any improvement, the addition of equivalence replacement and auxiliary element to each raw material of the utility model product, concrete mode
Selection etc., all falls within the protection scope of the utility model and the open scope.
Embodiment 1:
With reference to Fig. 1-2, the present embodiment provides a kind of puncture needle components 11, comprising:
External puncture needle 111 and removable needle core 112；
The external puncture needle 111 prolongs its length direction and offers the cavity penetrated for the removable needle core 112；
The removable needle core 112 can move in the cavity along the length direction of the external puncture needle 111.
Preferably, the puncture needle component 11 further includes seal wire 113；
113 outer diameter of seal wire is less than the cavity internal diameter of the external puncture needle 111, in the removable needle
After core 112 is extracted out, the seal wire 113 replaces the removable needle core 112 and penetrates the cavity.
Preferably, the outer diameter of the seal wire 113 is 0.035 inch；
The length of the seal wire 113 is 50 centimetres.
Preferably, the seal wire 113 includes straight parts 1131 and the arc connecting with the straight parts 1131
Part 1132.
The present embodiment is carrying out puncturing operation by the way that removable needle core 112 is arranged in the cavity of external puncture needle 111
When, after combined puncture needle component 11 is inserted into the operative regions such as biliary tract, can the removable needle core 112 be dismantled and be pulled out
Out, other devices such as and then be inserted into seal wire 113 are positioned, inject contrast agent etc., to realize in the process punctured
In, it is pierced into after skin and the intracorporal removable needle core 112 of chamber is located at by the cavity of external puncture needle 111 is full of and occupies,
I.e. hollow tubular structure in the prior art is not present in external puncture needle 111 in puncture process, so when puncturing, neither
The case where will appear to the cutting of liver organization strip, and will not be external described in the tissue occlusion cut off as entering in cavity
Puncture needle 111 is avoided when there are cutting damages when artery and portal vein, generated due to puncture needle for liver for puncture channel
Lively-portal vein leakage, artery-bile duct leaks, portal vein-bile duct leaks caused by wound, and the blocking for having prevented puncture needle ensures operation
Go on smoothly.In short, puncture needle component 11 provided by the utility model, on the one hand avoids puncture and cuts to liver generation
Cut damage, on the other hand avoid the blocking inside puncture needle, for doctor puncture working bring conveniently, prevented patient by
Security risk brought by the damage caused by puncture.
Embodiment 2:
With reference to Fig. 1-2, the present embodiment provides a kind of puncture needle components 11, based on the above embodiment,
Preferably, the external puncture needle 111 includes sequentially connected needle stand 1111, connecting tube 1112 and needle tubing 1113；
The needle tubing 1113 is equipped with syringe needle 1114 away from one end of the connecting tube 1112.
Preferably, the external puncture needle 111 further includes on the needle tubing 1113 and can be long along the needle tubing 1113
Spend the movable moving valve 1115 in direction；
The moving valve 1115 is for marking and the length of the needle tubing 1113.
Above-mentioned, external puncture needle 111 includes needle stand 1111, connecting tube 1112, needle tubing 1113 and syringe needle 1114, in addition,
Length direction on needle tubing 1113, which is equipped with, can adjust manually along the moving valve 1115 for carrying out reciprocating movement on the outside of needle tubing 1113
It is whole, it realizes in the course of surgery, the distance (distance of syringe needle 1114 to moving valve 1115) after skin is needled into for puncture
Measurement.To make operative doctor grasp surgery situation, the distance and depth of puncture at any time, to be provided convenience for operation.
Embodiment 3:
With reference to Fig. 3-4, the present embodiment provides a kind of puncture needle component 11, based on the above embodiment 1,
Preferably, the external puncture needle 111 includes sequentially connected needle stand 1111, connecting tube 1112 and needle tubing 1113；
The needle tubing 1113 is equipped with syringe needle 1114 away from one end of the connecting tube 1112.
Preferably, the connecting tube 1112 is equipped with laser locator 1116, for projecting to the direction of the syringe needle 1114
Laser is positioned.
Preferably, scale is equipped on the outside of the needle tubing 1113, the distance punctured for measuring the needle tubing 1113.
Preferably, the removable needle core 112 includes needle core pedestal 1121 and the core connecting with the needle core pedestal 1121
Pipe 1122；
The needle core pedestal 1121 is equipped with the threaded connector connecting with the needle stand 1111.
The needle core pedestal 1121 is equipped with the first threaded connector 11211 connecting with the needle stand 1111；The needle stand
1111 are equipped with the second threaded connector 11111 being threadedly coupled with first threaded connector 11211.
Above-mentioned, first threaded connector 11211 and second threaded connector 11111 can be threadedly engaged, and be realized
Needle core pedestal 1121 is fixedly connected with needle stand 1111.
Preferably, the external puncture needle 111 is the external puncture needle 111 of 18G.
Above-mentioned, laser locator 1116 is to emit laser towards patient skin end, the aiming dress for marking and positioning
It sets.Be that realization carries out after being marked at patient skin by marker pen during being punctured, by puncture needle to
Target area is punctured, and is punctured manually due to being in puncture process, so not can guarantee the correctness in the direction of puncture, so
Laser locator 1116 can be opened in puncture process, by the laser of the injection in connecting tube 1112, aimed at patient skin
Target area, to the direction of laser be guiding in puncture process, it is ensured that puncture the correctness in direction, worn for doctor
Thorn work provides convenience.
In addition, being equipped with readable on the outside of needle tubing 1113, the precision of measurement can be 0.1mm, in external puncture needle 111
After being pierced into skin, the depth distance of the measurement entrance of syringe needle 1114.
Above-mentioned, needle stand 1111 can pass through the threaded connection of needle core pedestal 1121 with needle core pedestal 1121 to be threadedly coupled
Part is realized, after needle stand 1111 and needle core pedestal 1121 are connected through a screw thread, are realized closely combination, can be carried out whole wear
Thorn.In addition, the connection of needle stand 1111 and needle core pedestal 1121 may be other connection types, such as it is clamped, passes through clamping
Accessory is realized.
Embodiment 4:
With reference to Fig. 5-6, the present embodiment provides a kind of transhepatic cholangiography puncturing kit 1, a kind of reality of 1-3 people based on the above embodiment
On the basis of applying mode, comprising: puncture needle component 11 and catheter sheath 12；
The catheter sheath 12 includes bilateral interconnecting piece 121, sheath 122 and side pipe 123；
The sheath 122 is connected to the side pipe 123 by the bilateral interconnecting piece 121；
The catheter sheath 12 is equipped with the catheter lumen 124 penetrated for the puncture needle component, and the puncture needle component passes through institute
State catheter lumen 124 and the removable connection of the catheter sheath 12.
Above-mentioned, bilateral interconnecting piece 121 is the component for being connected to side pipe 123 and sheath 122, for being not required to when being punctured
Take out seal wire 113, and the injection directly by the contrast agent of side pipe 123 can be carried out, avoid due to seal wire 113 take out to
Caused by a series of problem such as positioning is inaccurate.
In addition, bilateral interconnecting piece 121 may be provided with the valve for controlling bilateral respectively, prevent in puncture process, due to body
The liquid such as liquid, blood the factor of other influences operation or patient health such as lead to occur blocking by the spilling of side pipe 123.
In addition, side pipe 123 is settable multiple, and bilateral interconnecting piece 121 can be accordingly multi-pass interconnecting piece, and set respectively
It is equipped with valve, different side pipes 123 can be made to connect respectively with sheath 122, to realize injection contrast agent or carry out other hands
Work in art, without will affect normal procedure.
In addition, bilateral interconnecting piece 121 may be provided with the LED light 126 towards patient skin direction, in the course of surgery
Illumination, the brightness of the penetrating area in surgical procedure can be promoted to a certain extent, thus play illumination and instruction positioning
Effect.Wherein, LED light 126 is settable multiple, for example, being respectively arranged on the upper in face of patient skin direction of bilateral interconnecting piece 121
Lower both ends, to improve illuminating effect, the setting of multiple LED light 126 helps to reduce shade to the visual of patient affected part
It influences, reduces interference when being disposed for doctor.
Above-mentioned, the material of catheter sheath 12 can include but is not limited to polytetrafluoroethylene (PTFE), and external coating is silicone oil, dimethyl allene
Amide-epihydric alcohol acrylic ester copolymer.Catheter sheath 12 is disposable product, can pass through ethylene oxide sterilizing.
Above-mentioned, puncture needle component is the device for puncture, may include puncture needle and seal wire 113, for according to fixation
Region carries out puncture and positioning to hepatic duct.
During being punctured, after being punctured by puncture needle component, places seal wire 11313 and is positioned,
And puncture needle being exited, and then catheter sheath 12 is inserted in seal wire 113, the as described seal wire 113 is placed in the interior of the catheter sheath 12
Portion, and then radiography is carried out, the injection of contrast agent can be carried out by side pipe 123, to realize without taking out seal wire 113, accurate
On the basis of positioning, radiography is directly carried out by the side pipe 123 of catheter sheath 12.
The utility model is connected to sheath by the bilateral interconnecting piece 121 by the way that bilateral is arranged in the catheter sheath 12
122 and side pipe 123, so that when carrying out puncturing operation side pipe 123 can be passed through under the premise of retaining seal wire 113 without taking out
The injection of contrast agent is carried out to realize 123 radiography of side pipe, is avoided in puncturing operation operating process, seal wire 113 is taken out and is made
At abjection biliary tract lead to puncture failure the case where, bring great convenience for the arteriography of doctor.
Embodiment 5:
With reference to Fig. 7-9, the present embodiment provides a kind of transhepatic cholangiography puncturing kit 1, based on the above embodiment 4,
Preferably, the catheter sheath 12 further includes the counnter attack valve 125 set on the bilateral interconnecting piece 121；
The counnter attack valve 125 is set to one end corresponding with the sheath 122 in the bilateral interconnecting piece 121.
Preferably, the transhepatic cholangiography puncturing kit 1 further includes expander 13；
The expander 13 includes the expansion pedestal 132 expanding pipe 131, connecting with the expansion pipe 131, and is set to institute
State the shackle member 133 on expansion pedestal 132；
The outer diameter of the expander 13 is less than the internal diameter of the sheath 122；
The expander 13 passes through the catheter lumen 124 and the removable connection of the catheter sheath 12；
When the expander 13 is inserted into the catheter sheath 12, the shackle member 133 is clamped with the counnter attack valve 125.
Preferably, the catheter sheath 12 is the catheter sheath 12 of 5Fr.
It is above-mentioned, it should be noted that Fr is the unit of conduit, is the unit for measuring perimeter originally, is a Charles Robert Richet
Utility model, for writing a Chinese character in simplified form for English French.That the subsequent number of Fr represents is Zhou Jing, as Fr16 indicates that Zhou Jing is 16Fr.
Because of 3F=1mm weeks diameter, 1/3 week diameter ≈ 0.33mm of F ≈.1/3 week diameter=F × week of Zhou Jing=π (3.14) × diameter, diameter ≈
Diameter/1mm.Conduit diameter=16 × 0.33 ≈ 5.3mm of Fr16 can be calculated according to this.In the present embodiment, 5Fr, as
Zhou Jing is 5Fr, and conduit diameter is about 1.65mm.
Above-mentioned, extension base is equipped with shackle member 133, is clamped for shackle member 133 and the counnter attack valve 125, in addition,
It can also achieve a fixed connection by other means with counnter attack valve 125, for example, can be threaded connection.
Above-mentioned shackle member 133, may include manually opening knob, after shackle member 133 and counnter attack valve 125 are clamped, lead to
It crosses and presses unlatching knob, to shackle member 133 be separated with counnter attack valve 125, by opening knob, it can be achieved that singlehanded for clamping
The separation of part 133 and counnter attack valve 125 improves the efficiency of dismounting, provides convenience for surgical work.
Above-mentioned, the outer diameter of expander 13 and the outer diameter of puncture needle component are respectively less than the internal diameter of catheter sheath 12, so expander
13 and puncture needle component can penetrate in the catheter lumen 124 of catheter sheath 12；Puncture needle component can penetrate the expansion of expander 13
In chamber 134.
Above-mentioned, expander 13 plays the role of support and increases intensity, and often skin is harder by xanthochromia patient, so in this reality
In novel, the expander 13 that a kind of outer diameter is less than 122 internal diameter of sheath is provided, can combine the expander 13 with sheath 122, and
The puncture needle component is penetrated in the expansion cavity 134 of the expander 13 after the combination, as, constitutes one from the inside to the outside
The respectively combination of puncture needle component, expander 13, catheter sheath 12, as a whole by the combination, to be led along seal wire 113
Enter target bile duct.
Above-mentioned, the material of expander 13 can include but is not limited to polypropylene, and coating is silicone oil, dimethylacrylamide-
Epihydric alcohol acrylic ester copolymer.Catheter sheath 12 is disposable product, ethylene oxide sterilizing.
In order to better illustrate puncture needle component 11 provided by the utility model, the utility model also provides a kind of puncture
The puncture procedure method of needle assemblies 11, comprising:
1, after selecting puncture site, the anesthesia of routine disinfection drape；
2, percutaneous liver is punctured, and is worn after target bile duct using 18G puncture needle component 11, and needle core is exited, and side retreats and wears
Pricker side radiography after radiography confirmation is punctured to target bile duct, places 0.035 short-length guidewires 113 through puncture needle under DSA perspective and arrives mesh
Cursor position exits puncture needle；
3,5Fr sheath 122 and expander 13 are imported into target bile duct as a whole along seal wire 113；Xanthochromia patient's skin
Skin is often harder, puncture needle, expander 13 and sheath 122 can be imported target bile duct along seal wire 113 as a whole.
4, expander 13 is released, seal wire 113 and sheath 122 are retained, sheath is confirmed by 123 radiography of side pipe at DSA
122 positions and Intrahepatic Bile Duct Dilation situation；
5, outer diameter≤5Fr conduit or other treatment instrument can be introduced directly into through sheath 122；
Outer diameter is greater than the conduit or other treatment instrument of 5Fr, must will import sheath 122 and take out, retain seal wire 11313, edge
The sheath 122 or other treatment instrument of the importing larger diameter of seal wire 113；
6, it after the completion of performing the operation, takes out seal wire 113 and imports sheath 122.
Claims (10)
1. a kind of transhepatic cholangiography puncturing kit characterized by comprising
Puncture needle component and catheter sheath；
The catheter sheath includes bilateral interconnecting piece, sheath and side pipe；
The sheath is connected to the side pipe by the bilateral interconnecting piece；
The catheter sheath is equipped with the catheter lumen penetrated for the puncture needle component, the puncture needle component by the catheter lumen and
The removable connection of catheter sheath.
2. transhepatic cholangiography puncturing kit as described in claim 1, which is characterized in that the catheter sheath further includes being set to the bilateral to connect
The counnter attack valve of socket part；
The counnter attack valve is set to one end corresponding with the sheath in the bilateral interconnecting piece.
3. transhepatic cholangiography puncturing kit as claimed in claim 2, which is characterized in that the transhepatic cholangiography puncturing kit further includes expansion
Device；
The expander includes the expansion pedestal that expansion is managed, connect with the expansion pipe, and on the expansion pedestal
Shackle member；
The outer diameter of the expander is less than the internal diameter of the sheath；
The expander passes through the catheter lumen and the removable connection of the catheter sheath；
The expander is equipped with the expansion cavity penetrated for the puncture needle component；
When the expander is inserted into the catheter sheath, the shackle member and the counnter attack valve are clamped.
4. transhepatic cholangiography puncturing kit as described in claim 1, which is characterized in that the catheter sheath is the catheter sheath of 5Fr.
5. transhepatic cholangiography puncturing kit as described in claim 1, which is characterized in that the puncture needle component further includes external puncture needle
With removable needle core；
The external puncture needle offers the puncture chamber penetrated for the removable needle core；
The removable needle core intracavitary can be moved in described puncture along the length direction of the external puncture needle.
6. transhepatic cholangiography puncturing kit as claimed in claim 5, which is characterized in that the transhepatic cholangiography puncturing kit further includes seal wire；
The seal wire outer diameter is less than the intracavitary diameter of the puncture of the external puncture needle, for extracting out in the removable needle core
Afterwards, the seal wire replaces the removable needle core and penetrates the puncture chamber.
7. transhepatic cholangiography puncturing kit as claimed in claim 6, which is characterized in that the outer diameter of the seal wire is 0.05-0.1 centimetres；
The length of the seal wire is 50 centimetres.
8. transhepatic cholangiography puncturing kit as claimed in claim 5, which is characterized in that the external puncture needle includes sequentially connected needle
Seat, connecting tube and needle tubing；
The needle tubing is equipped with syringe needle away from one end of the connecting tube.
9. transhepatic cholangiography puncturing kit as claimed in claim 8, which is characterized in that the external puncture needle further includes being set to the needle
And it can be along the movable moving valve of needle tubing length direction on pipe；
The moving valve is for marking and the penetration length of the needle tubing.
10. transhepatic cholangiography puncturing kit as claimed in claim 8, which is characterized in that scale is equipped on the outside of the needle tubing, for measuring
The distance that the needle tubing punctures.
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| CN201821135482.1U CN209347170U (en) | 2018-07-17 | 2018-07-17 | A kind of transhepatic cholangiography puncturing kit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821135482.1U CN209347170U (en) | 2018-07-17 | 2018-07-17 | A kind of transhepatic cholangiography puncturing kit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784801A (en) * | 2018-07-17 | 2018-11-13 | 中山大学附属第医院 | A kind of transhepatic cholangiography puncturing kit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784801A (en) * | 2018-07-17 | 2018-11-13 | 中山大学附属第医院 | A kind of transhepatic cholangiography puncturing kit |
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