CN104757973B

CN104757973B - A kind of diagnoses and treatment conduit

Info

Publication number: CN104757973B
Application number: CN201510168822.5A
Authority: CN
Inventors: 张志辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-04-10
Filing date: 2015-04-10
Publication date: 2018-05-29
Anticipated expiration: 2035-04-10
Also published as: CN104757973A

Abstract

A kind of diagnoses and treatment conduit, including catheter main body and modular catheter, catheter main body one end is connected with modular catheter, and the catheter main body other end is soft head end, and multipair wire drawing is equipped in conduit, it is characterised in that：The catheter main body is equipped with the side opening of helically the linear alignment；The soft head end is equipped with 4 locating rings, and the positioning ring diameter is more than catheter main body diameter, and the first locating ring at the top of soft head end is inflation ring, remaining second locating ring, the 3rd locating ring and the 4th locating ring are the locating ring of different metal materials；One is provided in the catheter main body for the tracheae to inflation ring inflation；The catheter main body outer surface is equipped with the double coatings for including hydrophilic coating and heparin coating.Technical solution using the present invention realizes the positioning from point to line, and can determine the bending angle of conduit and the length of blood vessel is stretched into actual operation, and positioning is more accurate, and lesion and surgical procedure are determined convenient for operation radiography.

Description

A kind of diagnoses and treatment conduit

Technical field

The present invention relates to a kind of interventional medical equipment field, more particularly to a kind of intervention of blood vessel diagnoses and treatment with leading Pipe.

Background technology

In recent years, with the development of medical technology, interventional therapy conduit is widely applied in clinical treatment.It is intravascular Interventional therapeutic technique is applied to clinical vascular radiography, angioplasty, blood vessel intervention etc..With traditional medical technology phase Than intravascular Interventional Treatment technology is not only easy to operate, and Operative risk is smaller, and the wound of interventional treatment is low, can subtract significantly The pain of hypopathia people, medical expense are relatively low.Therefore this technology is widely used and promotes in medical domain. Conduit is one of main tool of intravascular Interventional Treatment, it generally require that with excellent operability and security, it is excellent Blood compatibility and lubricity, certain blood property of softening, excellent mechanical performance and machinability etc..

During conduit is inserted into human body, if frictional force is larger between conduit and vascular, patient vessel's rupture, folder can be made Other pipe-line systems of layer have strong calcination and feeling of pain, and easily arterial intima epithelial tissue triggers infection, so Need catheter surface smooth, it is smaller to the internal surface damage of body cavity, reduce the injury to operator.Current medical catheter This does not possess lubricating function, larger frictional force is generated with body cavities during human body is inserted into as high molecular material.For Reduce the friction between conduit and tissue, people coat hydrophilic superslide coating to catheter surface at present.Such as patent CN101455861A methods, CN1442458A methods, CN102166377A, CN1537643A, hydrophilic layer are various polymer And plasticizer is formed by combining, smearing process has used the high organic solvent system of meltage, the volatilization of these organic solvents The hidden danger in production is not only brought, and pollutes environment, the health of sufferer or the worker for producing conduit are all deposited It is threatened potential；Manufacturing process is also complicated, of high cost, high to preparing environmental requirement.

The problem of conduit is also possible to cause blood coagulation.It is some when contacting blood is to surface in addition to the natural wall of blood vessel Recycled material is activated, so as to cause blood clotting.If forming thrombus in the surface portion contacted with blood flow, there will be Thrombus is released and causes the risk of serious blood dyshaemia.

Position general ct positioning/X-ray machine, dsa, nuclear magnetic resonance.The image documentation equipments such as ultrasonic system.Existing interposing catheter is general Anchor point is one, and by corresponding image documentation equipment, to determine the position of lesion, but this method can only be positioned probably, it is impossible to accurate. Such as the patent of 202397532 U of Authorization Notice No. CN, by being equipped with metal positioning ring in the sphere of guiding tube top, but ball is positioned Shape is excessive may to be covered lesions position or even irreversible damage can be caused to vascular wall chamber.

The content of the invention

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of diagnoses and treatment conduits.

The technical solution adopted in the present invention is：

A kind of diagnoses and treatment conduit, including catheter main body and modular catheter, catheter main body one end is connected with modular catheter, The catheter main body other end is soft head end, and multipair wire drawing is equipped in conduit, it is characterised in that：The catheter main body is equipped with helically line The side opening of shape arrangement；The soft head end is equipped with the equal locating ring of 4 spacing, and the positioning ring diameter is micro- to be more than catheter main body Diameter, the mutual spacing of locating ring are 10cm, and the locating ring at the top of soft head end is inflation ring, and excess-three ring is different gold Belong to the locating ring of material；One is provided in the catheter main body for the tracheae to inflation ring inflation；Outside the catheter main body Surface is equipped with the double coatings for including hydrophilic coating and heparin coating.

Side opening is set along catheter main body helical form, can be performed the operation to the lesion of different parts, the design is than existing Technology more rationally, convenient for operation when orientation angle positioning；Line is navigated to by 4 locating rings from conventional point to position, just It is positioned in radiography, positioning is also more accurate；By position the seal wire that can be stretched out from the side opening of many places to different wound sites into Row is once intubated, and multiple diagnosis and treatment can only repeatedly move conduit rather than traditional ingress pipe pin styl to multiple wound sites；It is fixed The metal material of position ring is different, and reflected signal is just different when development, is positioned such that judgement is easy, it may be determined that two Angle between anchor point determines the angle of flexible conduit, plane or three-dimensional viewpoin；The inflation ring inflation of catheter tip is swollen After swollen, there can be centainly logical blood vessel function；It positions ring diameter and is more than conduit diameter, logical blood can also be played to a certain extent Bolt leads to the effect of blood vessel.

Further, spacing is equal between 4 locating rings, and the mutual spacing of locating ring is 10cm.

It is equal by locating ring spacing, in this way it is easy to determine the relative distance of several rings and lesion, convenient for being determined during projective iteration Distance, such as air line distance or the relative distance of bending.

Further, the catheter main body surface is equipped with a graduation mark.

The setting of graduation mark can determine the bending angle between catheter main body and ring, can also determine the soft head end of conduit with Bending angle between catheter main body, is further accurately positioned focal part.

Further, the soft head end accounts for the 1/5~1/2 of entire catheter main body length.

Further, the catheter main body length is 60cm~120cm.

Further, the hydrophilic coating and heparin coating overall thickness are 30~50 μm.

Further, there are double curved controls, bending locking device at the modular catheter.

Beneficial effects of the present invention：

Technical solution using the present invention realizes the positioning from point to line, and can determine the bending angle of conduit, And the length of blood vessel is stretched into actual operation, positioning is more accurate, and lesion and surgical procedure are determined convenient for operation radiography.

Description of the drawings

Fig. 1 is the schematic diagram of diagnoses and treatment conduit.

In figure, 1, catheter main body, the soft head end of 2 conduits, 3, side opening, 4, locating ring, the 41, first locating ring, the 42, second positioning Ring, the 43, the 3rd locating ring, the 44, the 4th locating ring, 5, modular catheter, 6, hydrophilic coating and heparin coating, 7, graduation mark.

Specific embodiment

The present invention is specifically described below in conjunction with the accompanying drawings so that this programme is more clearly understood.

As shown in Figure 1, conduit includes modular catheter 5 and catheter main body 1,1 other end of catheter main body is soft head end 2, conduit Double curved controls, bending locking device are provided in handle 5, the wire drawing in the bending and catheter main body of soft head end 2 can be controlled.It is soft Head end 2 is equipped with the first locating ring 41, the second locating ring 42, the 3rd locating ring 43 and the 4th locating ring 44, the first locating ring 41 For inflation ring, the tracheae for being inflated to inflation ring is provided in catheter main body 1；Remaining 3 locating ring is the gold of unlike material Belong to ring or same metal material but the different becket of mass density, corresponding imaging is different according to the signal of shadow, convenient for calmly Position angles and positions.Dotted portion is the soft head end 2 under bending state.Conduit conduit using the present invention can be with auxiliary positioning disease Stove is such as stretched by conduit, can be accurately positioned in radiography or operation, as lesion is located between certain 2 locating ring.It surrounds Catheter main body zigzag shape sets side opening 3, and cylindrical screw wire is set, and is stretched out and is treated from side opening convenient for different angle different directions Lesion need not need steering nozzle that side opening or top side opening is caused to correspond to lesion as conventional catheters.

Hydrophilic coating and heparin coating are arranged on the surface of catheter main body, and catheter main body first layer is hydrophilic coating, hydrophilic painting Layer outside is equipped with heparin coating.

The lubrication and anticoagulant property of entire intervention procedure conduit are all relatively better, and patient feels very comfortable, pass through 4 positioning Ring, spacing 10cm, locating effect is apparent, and with reference to the graduation mark 7 on 1 surface of catheter main body, soft 2 top of head end of conduit is carved for starting Angle value 0 can be realized and be accurately positioned, easily facilitate surgical procedure.

It these are only the preferred embodiment of the present invention, those skilled in the art's scheme according to the invention and thinking are in reality Appropriate variation is made when implementing in border, it should also be considered as the scope of the present invention.

Claims

1. a kind of diagnoses and treatment conduit, including catheter main body and modular catheter, catheter main body one end is connected with modular catheter, leads The pipe main body other end is soft head end, and multipair wire drawing is equipped in conduit, it is characterised in that：The catheter main body is equipped with helically wire The side opening of arrangement；The soft head end is equipped with 4 locating rings, and the positioning ring diameter is more than catheter main body diameter, soft head end top First locating ring in portion is inflation ring, remaining second locating ring, the 3rd locating ring and the 4th locating ring are different metal materials Locating ring；One is provided in the catheter main body for the tracheae to inflation ring inflation；The catheter main body outer surface is equipped with Double coatings including hydrophilic coating and heparin coating；

Spacing is equal between 4 locating rings, and the mutual spacing of locating ring is 10cm.

2. diagnoses and treatment conduit according to claim 1, it is characterised in that：The catheter main body surface is equipped with a scale Line.

3. diagnoses and treatment conduit according to claim 1, it is characterised in that：It is long that the soft head end accounts for entire catheter main body The 1/5~1/2 of degree.

4. diagnoses and treatment conduit according to claim 3, it is characterised in that：The catheter main body length for 60cm~ 120cm。

5. diagnoses and treatment conduit according to claim 1, it is characterised in that：It is characterized in that：The hydrophilic coating It it is 30~50 μm with heparin coating overall thickness.

6. diagnoses and treatment conduit according to claim 1, it is characterised in that：Double curved controls are equipped at the modular catheter System, bending locking device.