CN108578872A - Unlversal catheter - Google Patents

Unlversal catheter Download PDF

Info

Publication number
CN108578872A
CN108578872A CN201810210739.3A CN201810210739A CN108578872A CN 108578872 A CN108578872 A CN 108578872A CN 201810210739 A CN201810210739 A CN 201810210739A CN 108578872 A CN108578872 A CN 108578872A
Authority
CN
China
Prior art keywords
bending
opening
catheter
conduit
unlversal
Prior art date
Application number
CN201810210739.3A
Other languages
Chinese (zh)
Inventor
董鹏
Original Assignee
董鹏
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 董鹏 filed Critical 董鹏
Priority to CN201810210739.3A priority Critical patent/CN108578872A/en
Publication of CN108578872A publication Critical patent/CN108578872A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A61M31/005Devices for introducing or retaining media, e.g. remedies, in cavities of the body for contrast media
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00Anatomical parts of the body
    • A61M2210/12Blood circulatory system

Abstract

The present invention relates to the field of medical instrument technology, more particularly to Unlversal catheter, elbow is arranged in the head end of conduit, and the first bending part, the second bending part and third bending part is continuously arranged in the head end of conduit successively, the head end of first bending part has an outside elbow, and side opening is arranged on the first bending part.Unlversal catheter provided by the invention, by the head end in conduit, bending part is set, so that a conduit is done left and right coronarography and treatment, reduce the trouble that angiography catheter reinserts, reduces complication, in the first bending part, side opening is set, side opening has certain distance with elbow, when elbow insertion coronary artery, side opening is made to remain to be exposed at outside coronary artery, so that blood is flowed into coronary artery by side opening, is conducive to treat.

Description

Unlversal catheter
Technical field
The present invention relates to the field of medical instrument technology, and in particular to Unlversal catheter.
Background technology
Coronarography is coronary heart disease " goldstandard " inspection method, and coronarography often selects femoral artery.However The approach vascular complication is relatively more, such as bleeding, big hemotoncus, false aneurysm, A-V fistula, needs when processing outer more Section performs the operation and blood transfusion, increases the pain and hospitalization cost of patient in this way.Selection Transradial Approach avoids these deficiencies.
Radial artery is tiny compared with femoral artery (average man 0.28cm ± 0.04, female 0.26cm ± 0.05).Trans-radial method is coronal Angiography is few, postoperative with stop blooding convenience, vascular complication need not to lie in bed, not influence anti-freezing or the continuous use of thrombolytic drug The advantages that, it is an important approach in coronary angiography all the time.Foreign countries used Experience of Transradial in 1989 for the first time Carry out coronarography.The domestic article for intervening diagnosis and treatment about radial artery in recent years is increasing, due to the easy spasm of radial artery, easily Occlusion, to reduce spasm and occlusion, majority advocate that simple coronary angiography selects 5F angiography tubes, especially common type angiography tube, To reduce the stimulation to vascular wall brought due to replacing conduit, while the operating time can be reduced.
But the own characteristic that 5F share pipes have it distinct, so also being brought in the facility for bringing operation certain It is dangerous.There are 3 bendings in the conduit front, and this design makes it easier for upper limb Transradial Artery and carry out left and right coronary artery inserting Pipe.Second bending has 4.0cm away from the first bending.Since 5F angiography catheters flexibility is good, there is a degree of plasticity, convenient for behaviour Make, therefore 4.0cm conduits can substantially meet the radiography needs of most people.But arteria coronaria dextra is carried out according to a conventional method at it When radiography, compared with JudkinsR type conduits, the distance of share pipe tip to the first bending is slightly long, and conduit is through rotating into the right side After coronary sinus, tip is easy to be directed toward upper right and position is higher, therefore is easy the circle that super selection enters arteria coronaria dextra open proximal Cone branch or enter single opening near arteria coronaria dextra overthe openings (single opening is in right coronary sinus) circular cone Zhi Deng branches. Although 5F share pipe conduit diameters are thinner, and away from there is a side opening at conduit head end 3mm, the blood vessel diameter being inserted into is meticulous or mistake It is deep, then it is easy to happen decline of pressure or incarceration, under this state, if firmly injection contrast agent, can lead to ventricular fibrillation, coronary artery Interlayer or the rupture of thin vessels branch.In the past in conduit head end after repeatedly adjustment always easily into branch, and cannot allow right coronal dynamic When arteries and veins development is good, 5F JudkiinsR type conduits are often used instead, method is identical as Femoral Approaches.Such as certain arteria coronaria dextra Opening is high or anomalous origin case then selects 5F AmplatzL1 type angiography tubes.But the conduit causes the complication such as coronary artery tearing Probability obviously increases, and increases the difficulty of operation.
Over the course for the treatment of, the head end of angiography catheter is inserted into coronary artery existing common type conduit, and hole is easy to be blocked Inside coronary artery, causes blood that cannot flow into coronary artery from master pulse sinus, be unfavorable for treating.
Invention content
The technical problem to be solved in the present invention is to overcome blood to be in the prior art not easy to flow into the defect of coronary artery.
For this purpose, the technical solution used, the head end ecto-entad of Unlversal catheter, conduit are bent to form first successively The head end of bending part, the second bending part and third bending part, the first bending part has an outside elbow, is set on the first bending part Set side opening.
In order to allow an angiography catheter to carry out left and right coronary cannula by upper limb Transradial Artery simultaneously, preferably Technical solution be that first bending part, second bending part and the third bending part constitute three of convex quadrangle Side;In 30 to 50 degree angles, first bending part and second bending part between the elbow and first bending part Between be in 90 degree angles, between second bending part and the third bending part be in 135 degree of angles, the third bending part with It is in 135 degree of angles between in the middle part of the conduit.
In order to increase the blood circulation of angiography catheter and coronary artery, contrasting effects are improved, preferred technical solution is, side opening Number is two.
In order to make angiography catheter manufacture upper more convenient, preferred technical solution is, two side opening faces settings, Or dislocation is oppositely arranged up and down, or be arranged along the same side of the first bending part axial direction.
In order to keep the blood circulation of angiography catheter and coronary artery more smooth, preferred technical solution is that two side openings are The radial direction setting at an acute angle of one bending part;
Wherein, two side openings are located on same circumference;
Or two side openings shift to install up and down.
Coronary artery requires supplementation with blood when due to treatment, in order to keep effect of the angiography catheter in treatment more preferable, preferred skill Art scheme is that the number of side opening is three.
The connection of side opening and coronary artery when in order to ensure treatment, preferred technical solution is that three side openings are in the first bending part Upper is in shift to install up and down;
Wherein, three side openings are oppositely arranged on the first bending part, wherein being a side opening on one side, another side is two sides Hole;
Alternatively, three side openings are arranged in the radial direction of the first bending part in trisection;
Alternatively, being arranged along the same side of the first bending part axial direction.
The blood volume of coronary artery is flowed into when in order to ensure treatment by side opening, preferred technical solution is that three side openings are located at On same circumference, on same circumference in three side openings, intermediate side opening is located at the arcuate midway point position of the side opening on both sides.
In order to keep the support force of angiography catheter in therapeutic process stronger, while it is empty in enough pipes to ensure that angiography catheter has Between, more drugs can be accommodated, are conducive to treat, preferred technical solution is that catheter interior interts seal wire, the shape of seal wire It is identical as the shape of conduit.
In order to ensure that the blood for flowing into coronary artery in therapeutic process by side opening is more smooth, by controlling blood flow direction, make Blood enters that angiography catheter is more smooth, and preferred technical solution is that guide ring is connected on side opening, and guide ring is located at the interior of conduit The head end in portion, guide ring towards conduit tilts.
In order to ensure that the blood for flowing into coronary artery in therapeutic process by side opening is more smooth, by controlling blood flow direction, make Blood enters that angiography catheter is more smooth, while ensureing space in the pipe inside angiography catheter, do not influence the supply of drug with And the activity of seal wire, further preferred technical solution are, along conduit axial direction projecting direction, section is arranged in guide ring, section Radian is identical as pipe inner wall radian.
Technical solution of the present invention has the following advantages that:
Unlversal catheter provided by the invention is arranged elbow by the head end in conduit, a conduit is allow to do Left and right coronarography and treatment reduce the trouble that angiography catheter reinserts, and reduce complication, are set in the first bending part Side opening is set, side opening has certain distance with elbow, when elbow insertion coronary artery, makes side opening remain to be exposed at outside coronary artery, enables blood Coronary artery is flowed by side opening, is conducive to treat.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the sectional view of the first bending part in the present invention;
Fig. 3 is the vertical view of the first bending part in the present invention;
Wherein, 1- conduits;2- elbows;The first bending parts of 3-;The second bending parts of 4-;5- third bending parts;6- side openings;7- is led Silk;8- guide rings;The sections 9-.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, 2, the present invention provides Unlversal catheter, the head end ecto-entad of conduit 1 bent successively At the first bending part 3, the second bending part 4 and third bending part 5, the first bending part 3, the second bending part 4 and third bending part 5 For overbending direction towards the same direction of conduit 1, the head end of the first bending part 3 has an outside elbow 2, the bending of elbow 2 The overbending direction of direction and the first bending part 3, the second bending part 4 and third bending part 5 on the first bending part 3 on the contrary, be arranged side Hole 6.
First bending part 3, second bending part 4 and the third bending part 5 constitute three sides of convex quadrangle; In 30 to 50 degree angles, first bending part 3 and second bending part 4 between the elbow 2 and first bending part 3 Between be in 90 degree angles, in 135 degree of angles between second bending part 4 and the third bending part 5, the third bending part It is in 135 degree of angles between 5 and 1 middle part of the conduit.
In order to increase the blood circulation of angiography catheter and coronary artery, contrasting effects are improved, preferred technical solution is side opening 6 Number be two.
In order to make angiography catheter manufacture upper more convenient, preferred technical solution is that two 6 faces of side opening are set It sets, or dislocation is oppositely arranged up and down, or is arranged along the axial the same side of the first bending part 3.
In order to keep the blood circulation of angiography catheter and coronary artery more smooth, preferred technical solution is that two side openings 6 are The radial direction setting at an acute angle of one bending part 3;
Wherein, two side openings 6 are located on same circumference;
Or two about 6 side openings shift to install.
Coronary artery requires supplementation with blood when due to treatment, in order to keep effect of the angiography catheter in treatment more preferable, preferred skill Art scheme is that the number of side opening 6 is three.
The connection of side opening 6 and coronary artery when in order to ensure treatment, preferred technical solution is that three side openings 6 are in the first bending It is in shift to install up and down in portion 3;
Wherein, three side openings 6 are oppositely arranged on the first bending part 3, wherein being a side opening 6, another side two on one side A side opening 6;
Alternatively, three side openings 6 are arranged in the radial direction of the first bending part 3 in trisection;
Alternatively, being arranged along the axial the same side of the first bending part 3.
The blood volume of coronary artery is flowed into when in order to ensure treatment by side opening 6, preferred technical solution is three side openings 6 In on same circumference, on same circumference in three side openings 6, intermediate side opening 6 is located at the arcuate midway point position of the side opening 6 on both sides It sets.
In order to keep the support force of angiography catheter in therapeutic process stronger, while it is empty in enough pipes to ensure that angiography catheter has Between, more drugs can be accommodated, are conducive to treat, preferred technical solution is that seal wire 7 is interted in 1 inside of conduit, seal wire 7 Shape is identical as the shape of conduit 1.
As shown in Figure 2,3, in order to ensure that the blood for flowing into coronary artery in therapeutic process by side opening 6 is more smooth, pass through control Blood flow direction processed, so that blood is entered, angiography catheter is more smooth, and preferred technical solution is to connect guide ring 8 on side opening 6, lead Stream ring 8 is located at the inside of conduit 1, and the head end of guide ring 8 towards conduit 1 tilts.
In order to ensure that the blood for flowing into coronary artery in therapeutic process by side opening 6 is more smooth, by controlling blood flow direction, make Blood enters that angiography catheter is more smooth, while ensureing space in the pipe inside angiography catheter, do not influence the supply of drug with And the activity of seal wire 7, further preferred technical solution are, along 1 axis projection direction of conduit, guide ring 8 is arranged section 9, cuts The radian in face 9 is identical as 1 inner wall radian of conduit.Certainly it in treatment, if necessary to which holder to be introduced into arteries, can will lead It flows ring 8 and 9 structure of section removes, holder is facilitated to introduce affected part.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (10)

1. Unlversal catheter, which is characterized in that the head end ecto-entad of conduit (1) is bent to form the first bending part successively (3), the second bending part (4) and third bending part (5), the head end of the first bending part (3) have an outside elbow (2), and first Side opening (6) is set on bending part (3).
2. Unlversal catheter according to claim 1, which is characterized in that first bending part (3), described second Bending part (4) and the third bending part (5) constitute three sides of convex quadrangle;The elbow (2) and first bending part (3) it is in 90 degree of angles between first bending part (3) and second bending part (4) in 30 to 50 degree angles between, it is described It is in 135 degree of angles, the third bending part (5) and the conduit between second bending part (4) and the third bending part (5) (1) it is in 135 degree of angles between middle part.
3. Unlversal catheter according to claim 1, which is characterized in that the number of side opening (6) is two.
4. Unlversal catheter according to claim 3, which is characterized in that two side opening (6) face settings, or up and down Dislocation is oppositely arranged, or is arranged along the same side of the first bending part (3) axial direction.
5. Unlversal catheter according to claim 3, which is characterized in that two side openings (6) are in the first bending part (3) Radial direction setting at an acute angle;
Wherein, two side openings (6) are located on same circumference;
Or two side openings (6) shift to install up and down.
6. Unlversal catheter according to claim 1, which is characterized in that the number of side opening (6) is three.
7. Unlversal catheter according to claim 6, which is characterized in that three side openings (6) are in the first bending part (3) Upper is in shift to install up and down;
Wherein, three side openings (6) are oppositely arranged on the first bending part (3), wherein being on one side a side opening (6), another side is Two side openings (6);
Alternatively, three side openings (6) are arranged in the radial direction of the first bending part (3) in trisection;
Alternatively, being arranged along the same side of the first bending part (3) axial direction.
8. Unlversal catheter according to claim 6, which is characterized in that three side openings (6) are located on same circumference, On same circumference in three side openings (6), intermediate side opening (6) is located at the arcuate midway point position of the side opening (6) on both sides.
9. Unlversal catheter according to claim 1, which is characterized in that interspersed seal wire (7) inside conduit (1) is led The shape of silk (7) is identical as the shape of conduit (1).
10. Unlversal catheter according to claim 1, which is characterized in that connect guide ring (8) on side opening (6), lead Stream ring (8) is located at the inside of conduit (1), and the head end of guide ring (8) towards conduit (1) tilts;
Along conduit (1) axis projection direction, section (9) are arranged in guide ring (8), radian and conduit (1) the inner wall radian of section (9) It is identical.
CN201810210739.3A 2018-03-14 2018-03-14 Unlversal catheter CN108578872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810210739.3A CN108578872A (en) 2018-03-14 2018-03-14 Unlversal catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810210739.3A CN108578872A (en) 2018-03-14 2018-03-14 Unlversal catheter

Publications (1)

Publication Number Publication Date
CN108578872A true CN108578872A (en) 2018-09-28

Family

ID=63626238

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810210739.3A CN108578872A (en) 2018-03-14 2018-03-14 Unlversal catheter

Country Status (1)

Country Link
CN (1) CN108578872A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037403A (en) * 1989-11-08 1991-08-06 Cordis Corporation Pigtail catheter with angled apertures
US20040220547A1 (en) * 2002-12-23 2004-11-04 Medtronic, Inc Multiple infusion section catheters, systems, and methods
CN2790492Y (en) * 2004-09-13 2006-06-28 董鹏 Channel-radial artery radiography conduit
CN201791230U (en) * 2010-09-13 2011-04-13 河南中医学院 One-way movable flap side hole guide catheter
CN105498067A (en) * 2015-12-04 2016-04-20 刘宗军 Transradial artery and coronary arteriography catheter and use method thereof
CN206342776U (en) * 2016-10-13 2017-07-21 高磊 The adjustable common type coronary arteriography catheter of trans-radial

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037403A (en) * 1989-11-08 1991-08-06 Cordis Corporation Pigtail catheter with angled apertures
US20040220547A1 (en) * 2002-12-23 2004-11-04 Medtronic, Inc Multiple infusion section catheters, systems, and methods
CN2790492Y (en) * 2004-09-13 2006-06-28 董鹏 Channel-radial artery radiography conduit
CN201791230U (en) * 2010-09-13 2011-04-13 河南中医学院 One-way movable flap side hole guide catheter
CN105498067A (en) * 2015-12-04 2016-04-20 刘宗军 Transradial artery and coronary arteriography catheter and use method thereof
CN206342776U (en) * 2016-10-13 2017-07-21 高磊 The adjustable common type coronary arteriography catheter of trans-radial

Similar Documents

Publication Publication Date Title
JP2015107343A (en) Coaxial transseptal guide-wire and needle assembly
CN103476349B (en) Balloon-stent device and application method
EP1476213B1 (en) A multilumen catheter for minimizing limb ischemia
US20190255294A1 (en) Rapid Insertion Integrated Catheter and Method of Using an Integrated Catheter
US4957484A (en) Lymph access catheters and methods of administration
US6206849B1 (en) Multiple lumen catheter
US4936826A (en) Vena cava window
US3902492A (en) Catheter
US4800890A (en) Steerable guide wire for catheters
US7223257B2 (en) Percutaneous vascular access device
US9314586B2 (en) Triple lumen catheter
US20140128848A1 (en) Catheter with Leading Guidewire Lumen
US5800408A (en) Infusion device for distributing infusate along an elongated infusion segment
US4164221A (en) Atraumatic blood access device valve
US9168355B2 (en) Acute hemodialysis catheter assembly
CN103124524B (en) Braiding medical treatment device and manufacture method thereof
EP1395324B1 (en) A multilumen catheter for minimizing limb ischemia
US5425708A (en) Catheter with an aorta-occluding balloon
US8529525B2 (en) Implantable vascular access system
US6258079B1 (en) Method and systems for establishing vascular access
EP2265300B1 (en) Vascular access system
CN103200975B (en) anastomotic device
US3998222A (en) Subcutaneous arterio-venous shunt with valve
US20110196190A1 (en) Devices, methods and systems for establishing supplemental blood flow in the circulatory system
Ash Advances in tunneled central venous catheters for dialysis: design and performance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination