CN107281619A - Thrombolysis catheter - Google Patents
Thrombolysis catheter Download PDFInfo
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- CN107281619A CN107281619A CN201710657974.0A CN201710657974A CN107281619A CN 107281619 A CN107281619 A CN 107281619A CN 201710657974 A CN201710657974 A CN 201710657974A CN 107281619 A CN107281619 A CN 107281619A
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- medicine
- chamber
- drainage lumens
- injecting cavity
- thrombolysis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
- A61B2017/22084—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance stone- or thrombus-dissolving
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Thrombolysis catheter, it is related to medical equipment technical field, it includes catheter body and is connected to the joint of catheter body rear end, catheter body includes outer tube and inner tube, outer tube sleeve is on the outside of inner tube, space between outer tube and inner tube is medicine-injecting cavity, and the tube chamber of inner tube is drainage lumens, and medicine-injecting cavity and drainage lumens are isolated from each other；Joint includes first interface and second interface, and first interface is connected with drainage lumens, and second interface is connected with medicine-injecting cavity；Drainage lumens front opening, together with the front end of outer tube is fused to the outer peripheral face of inner tube so that close medicine-injecting cavity front end；A conduction hole and multiple medicine outlet holes communicated with medicine-injecting cavity for being used to blood being introduced into drainage lumens is at least offered on the tube wall of outer tube, conduction hole is located at medicine outlet hole rear, connected between conduction hole and drainage lumens by mozzle, mozzle is passed through from medicine-injecting cavity and its two ends correspondence is connected with conduction hole and drainage lumens.The thrombolysis catheter can both ensure the smooth circulation of blood, and good thrombolytic effect is can guarantee that again.
Description
Technical field
The present invention relates to medical equipment technical field, more particularly to a kind of thrombolysis catheter.
Background technology
Thrombus is main to be made up of insoluble fibrin, the blood platelet of deposition, the leucocyte of accumulation and the red blood cell that is absorbed in.
When blood stream is through at thrombus, hindered by thrombus, the rise of blood vessel local pressure, thrombus situation it is serious even can occur thrombotic
Occlusion, jeopardizes patient vitals.
The method for the treatment thrombus clinically more commonly used at present has three kinds, and the first is artificial Mechanical Method, passes through surgery
Operation or aspirator take out endovascular thrombus.Second is that implantation support expands intravascular space.The third is thrombolysis
Drug therapy, is gradually dissolved thrombus by injecting thrombolytic drug, to reach the purpose of conducting blood vessel.
Thrombolytic drug therapy method usually requires to use thrombolysis catheter, existing thrombolysis catheter（Such as UniFuse thrombolysis is led
Pipe）Use mostly on single cavity structure, the perfusion section tube wall of conduit by being cut by laser multiple side openings, intraluminal medicine passes through side
Hole is sprayed into thrombus, so as to realize thrombolysis.There is problems with this kind of thrombolysis catheter：For the more feelings of thrombus amount in blood vessel
Condition, as shown in Figure 1, space between original thrombus can also blood supply liquid pass through, after intubation, conduit has but been blocked script blood supply liquid and passed through
Space, the state of an illness can be so aggravated on the contrary, or even life danger is brought to patient.
Chinese patent literature CN104436417A discloses a kind of thrombolysis catheter of brand new, and the thrombolysis catheter uses three
Cavity configuration, including guidewire lumen, thrombolysis chamber and filling cavity, guidewire lumen are used to coordinate seal wire guide cannula, and thrombolysis chamber is used to inject molten
Bolt medicine, filling cavity is used to ensure blood circulation.After intubation, blood can be entered by filling cavity side port, from filling cavity remote outlet
Outflow, thrombolytic drug flows to distal end of catheter along thrombolysis chamber, and is distributed to from the outflow of thrombolysis chamber remote outlet around the near-end of thrombus,
Realize thrombolysis.The thrombolysis catheter can have following defect when in use：1st, thrombolysis chamber remote outlet only has one and positioned at thrombus
Front, medicine can not directly be contacted after the ejection of thrombolysis chamber remote outlet with thrombus, and can be first mixed in blood and be diluted, and this will
Cause that the drug concentration contacted with thrombus is relatively low, thrombolytic effect is undesirable.2nd, thrombolysis chamber outlet is located at filling cavity side, due to medicine
Liquid dilutes from blood is mixed in after thrombolysis chamber outlet ejection, then the liquor strength close to thrombolysis chamber exit can be more than perfusion
It can be more than the low side of liquor strength on the liquor strength of chamber opposite side, the thrombolysis rate theory of this big side of liquor strength
Thrombolysis speed, that is to say, that the side close to the outlet of thrombolysis chamber can be initially formed path, and now medicine will flow from the path
Walk, it is possible to causing filling cavity opposite side（The low side of liquor strength）The incomplete situation of thrombolysis.
The content of the invention
It can both ensure the smooth circulation of blood the technical problem to be solved in the present invention is to provide one kind, good thrombolysis is can guarantee that again
The thrombolysis catheter of effect.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of thrombolysis catheter, including catheter body
With the joint for being connected to the catheter body rear end；
The catheter body includes outer tube and inner tube, and the outer tube sleeve is on the outside of inner tube, the space between the outer tube and inner tube
For medicine-injecting cavity, the tube chamber of said inner tube is drainage lumens, and the medicine-injecting cavity and drainage lumens are isolated from each other；
The joint includes first interface and second interface, and the first interface is connected with drainage lumens, the second interface and note
Medicine chamber is connected；
The drainage lumens front opening, together with the front end of the outer tube is fused to the outer peripheral face of inner tube so that the medicine-injecting cavity
Close front end；
A conduction hole and multiple and note for being used to blood being introduced into drainage lumens is at least offered on the tube wall of the outer tube
The medicine outlet hole that medicine chamber is communicated, the conduction hole is located at medicine outlet hole rear, is connected between the conduction hole and drainage lumens by mozzle
Logical, the mozzle is passed through from medicine-injecting cavity and its two ends is connected with conduction hole and drainage lumens respectively.
Wherein, the medicine-injecting cavity includes interconnected back segment chamber and leading portion chamber, and the mozzle is from back segment chamber
In pass through, annular is arranged at intervals with the barrier film of multi-disc strip in the leading portion chamber, and the barrier film is extended back to front
And leading portion chamber is separated into multiple independent grid chambers, each grid chamber correspondence is communicated with a medicine outlet hole.
It is preferred that, the multiple medicine outlet hole communicated with medicine-injecting cavity is spaced in the shape of a spiral.
Or, the medicine-injecting cavity includes interconnected back segment chamber and leading portion chamber, and the mozzle is from back segment chamber
In pass through, annular is arranged at intervals with the barrier film of multi-disc strip in the leading portion chamber, and the barrier film is extended back to front
And leading portion chamber is separated into multiple independent grid chambers, the grid chamber each correspondence with it is multiple spaced back to front
Medicine outlet hole is communicated.
Further, the grid intracavitary parallel interval is provided with multiple partitions, and the partition is perpendicular to catheter body
Axis direction is set, and the top of the partition is connected to the inwall of outer tube, is left between the bottom of the partition and inner tube for molten
A medicine outlet hole is correspondingly arranged between the space that bolt decoction passes through, every two pieces of adjacent partitions.
Wherein, the medicine outlet hole and positioned at the distance between its rear partition be more than with positioned at its front partition between away from
From.
Wherein, the joint is breeches joint, and the breeches joint is provided with the external screw thread for being used for connecting calparine cap.
The thrombolysis catheter that the present invention is provided uses double cavity structure, and drainage lumens are alternatively arranged as guidewire lumen in intubation and used, use
Carry out guiding catheter and insert blood vessel along seal wire, intubation completes to extract out after seal wire, on rear side of thrombus（Front end in the present invention is equivalent to background
Distal end in technical literature CN104436417A, rear end is equivalent to the near-end in the background technology document）Blood can be first from drawing
Discharge orifice enters in drainage lumens, then through drainage lumens front opening（Drainage lumens front opening is located on front side of thrombus）Outflow, so as to play
Turn on the effect of blood flow；Toward injection thrombolysis decoction in medicine-injecting cavity after the completion of intubation, because medicine-injecting cavity front end is closed, in medicine-injecting cavity
Decoction can only be discharged from medicine outlet hole, and gradually dissolving disappears the thrombus around medicine outlet hole under decoction effect.When a part of blood
Bolt is dissolved, when forming path on the outside of conduit, because medicine outlet hole is opened on the tube wall of outer tube in the present invention, and decoction sprays
Direction is such to set compared to situation about directly being sprayed in background technology document CN104436417A toward distal end perpendicular to vascular wall
Meter can extend residence time of the decoction in thrombus section so that thrombolysis is more thorough.In summary, the thrombolysis catheter that the present invention is provided
Both the smooth circulation of blood had been ensure that, good thrombolytic effect is in turn ensure that.
Brief description of the drawings
Fig. 1 is the overall structure diagram of thrombolysis catheter in the present invention；
Fig. 2 is the internal structure schematic diagram of thrombolysis catheter in the present invention；
Fig. 3 is irrigated the schematic diagram of thrombolysis for thrombolysis catheter insertion blood vessel in the present invention；
Fig. 4 is the sectional view at A-A positions in Fig. 2；
Fig. 5 is the partial enlarged drawing at B positions in Fig. 2；
Fig. 6 is the internal structure schematic diagram of single grid chamber in the present invention；
In figure：
1 --- catheter body 2 --- joint
3 --- medicine-injecting cavity 4 --- drainage lumens
5 --- mozzle 6 --- barrier films
7 --- partition 1a --- outer tubes
1b --- inner tube 2a --- first interface
2b --- second interface 3a --- back segment chamber
3b --- leading portion chamber 1a1 --- conduction hole
1a2 --- medicine outlet hole 3b1 --- grid chamber.
Embodiment
In the description of the invention, it is to be understood that the orientation of the instruction such as term "front", "rear", " interior ", " outer "
Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, and
It is not instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.In the description of the invention, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Improvements of the present invention relative to prior art are more fully understood for the ease of those skilled in the art, are tied below
Specific embodiments and the drawings are closed to be further described the present invention.
As shown in figures 1 to 6, a kind of thrombolysis catheter, including catheter body 1 and the joint 2 for being connected to the rear end of catheter body 1；
Wherein, catheter body 1 includes outer tube 1a and inner tube 1b, and outer tube 1a is enclosed on the outside of inner tube 1b, between outer tube 1a and inner tube 1b
Space be medicine-injecting cavity 3, inner tube 1b tube chamber is drainage lumens 4, and medicine-injecting cavity 3 and drainage lumens 4 are isolated from each other；
Joint 2 includes first interface 2a and second interface 2b, and first interface 2a is connected with drainage lumens 4, second interface 2b and injection
Chamber 3 is connected；
The front opening of drainage lumens 4, together with outer tube 1a front end is fused to inner tube 1b outer peripheral face so that end seal before medicine-injecting cavity 3
Close；
At least offered on outer tube 1a tube wall one be used for conduction hole 1a1 that blood is introduced into drainage lumens 4 and it is multiple and
The medicine outlet hole 1a2 that medicine-injecting cavity 3 is communicated, conduction hole 1a1 are located at medicine outlet hole 1a2 rears（Be located at medicine outlet hole 1a2 and joint 2 it
Between）, connected between conduction hole 1a1 and drainage lumens 4 by mozzle 5, mozzle 5 is passed through from medicine-injecting cavity 3 and its two ends is distinguished
It is connected with conduction hole 1a1 and drainage lumens 4.
Above-mentioned thrombolysis catheter uses double cavity structure, and drainage lumens 4 are alternatively arranged as guidewire lumen in intubation and used, led for guiding
Pipe inserts blood vessel along seal wire, and intubation completes to extract out after seal wire, as shown in Figure 3, and the blood on rear side of thrombus first can enter from conduction hole 1a1
Enter in drainage lumens 4, then through the front opening of drainage lumens 4（The front opening of drainage lumens 4 is located on front side of thrombus）Outflow, so as to play conducting
The effect of blood flow；Toward injection thrombolysis decoction in medicine-injecting cavity 3 after the completion of intubation, because the front end of medicine-injecting cavity 3 is closed, in medicine-injecting cavity 3
Decoction can only be discharged from medicine outlet hole 1a2, and gradually dissolving disappears the thrombus around medicine outlet hole 1a2 under decoction effect.When one
Part thrombus is dissolved, when forming path on the outside of conduit, because medicine outlet hole 1a2 is opened in outer tube 1a pipe in above-described embodiment
On wall, decoction emission direction is perpendicular to vascular wall, compared to what is directly sprayed in background technology document CN104436417A toward distal end
Situation, it is such to be designed to extend residence time of the decoction in thrombus section so that thrombolysis is more thorough.
As a kind of preferred scheme, in above-mentioned thrombolysis catheter, as shown in Fig. 2,4 and 5, medicine-injecting cavity 3 includes mutually interconnecting
Logical back segment chamber 3a and leading portion chamber 3b, mozzle 5 is passed through from back segment chamber, and annular is arranged at intervals with leading portion chamber 3b
The barrier film 6 of multi-disc strip, barrier film 6 is extended and leading portion chamber 3b is separated into multiple independent grid chambers back to front
3b1, each grid chamber 3b1 correspondences are communicated with a medicine outlet hole 1a2.In the preferred scheme, back segment chamber 3a and leading portion chamber
3b is connected, and leading portion chamber 3b is separated into multiple independent grid chamber 3b1 by barrier film 6, that is to say, that grid chamber 3b1 and back segment chamber
Room 3a is directly communicated, and so the decoction pressure in each grid chamber 3b1 is equal with back segment chamber 3a, due to each independence
Grid chamber 3b1 correspond to communicated with a medicine outlet hole 1a2, in theory for, the decoction pressure phase at each medicine outlet hole 1a2
Go out that liquid speed degree is identical Deng, i.e., each medicine outlet hole 1a2, such design can be avoided because medicine outlet hole 1a2 positions successively cause
The uneven situation of liquid measure so that decoction can more uniformly be dispersed to thrombi, preferably ensure thrombolytic effect.Enter
One step, above-mentioned multiple medicine outlet hole 1a2 communicated with medicine-injecting cavity 3 are preferably spaced in the shape of a spiral.
As another preferred scheme, and unlike foregoing preferred scheme, in this preferred scheme, grid chamber
Each correspondence is communicated 3b1 with multiple medicine outlet hole 1a2 spaced back to front.For the longer feelings of thrombus length in blood vessel
Condition, due to the grid chamber 3b1 limited amounts separated by barrier film 6, if each grid chamber 3b1 only corresponds to a medicine outlet hole
1a2, then the length of drug section is just very limited, it is impossible to the situation longer applied to thrombus length, if 3b1 pairs of a grid chamber
Multiple medicine outlet hole 1a2 spaced back to front are answered, then can increase the length of drug section.Certainly, if a grid chamber 3b1
The multiple medicine outlet hole 1a2 spaced back to front of correspondence, it is likely that cause the decoction pressure of each medicine outlet hole 1a2 discharges not
Together, it is close in order to allow the decoction pressure that each medicine outlet hole 1a2 is discharged to try one's best, parallel interval it can be set in each grid chamber 3b1
There are multiple partitions 7, partition 7 should be set perpendicular to the axis direction of catheter body 1, and the top of partition 7 is connected into outer tube 1a
Inwall, and leave between the bottom of partition 7 and inner tube 1b the space passed through for thrombolysis decoction, every two pieces adjacent partitions 7
Between be correspondingly arranged on a medicine outlet hole 1a2.Herein, it can be understood as each grid chamber 3b1 is separated into many by partition 7 again
It is individual be interconnected but the smaller chamber of volume, in theory for, such design can allow each medicine outlet hole 1a2 decoction pressure more
It is intended to unanimously, so as to improve drug uniformity, preferably ensure thrombolytic effect.As shown in fig. 6, medicine outlet hole 1a2 is with being located at it
The distance between rear partition 7 more preferably greater than with positioned at its front the distance between partition 7.That is, during practical application, going out
Medicine hole 1a2 is set preferably adjacent to its front partition 7.
Finally, in the present invention, joint 2 is breeches joint, and the breeches joint is provided with the outer spiral shell for being used for connecting calparine cap
Line.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can be realized with other manner,
Any obvious replacement is within protection scope of the present invention on the premise of not departing from the technical program design.
In order to allow those of ordinary skill in the art more easily to understand improvements of the present invention relative to prior art, this
Some accompanying drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, those of ordinary skill in the art should be aware that these elements omitted also may make up present disclosure.
Claims (7)
1. thrombolysis catheter, including catheter body（1）Be connected to the catheter body（1）The joint of rear end（2）, its feature exists
In：
The catheter body（1）Including outer tube（1a）And inner tube（1b）, the outer tube（1a）It is enclosed on inner tube（1b）Outside, it is described outer
Pipe（1a）With inner tube（1b）Between space be medicine-injecting cavity（3）, said inner tube（1b）Tube chamber be drainage lumens（4）, the injection
Chamber（3）And drainage lumens（4）It is isolated from each other；
The joint（2）Including first interface（2a）And second interface（2b）, the first interface（2a）With drainage lumens（4）Even
It is logical, the second interface（2b）With medicine-injecting cavity（3）Connection；
The drainage lumens（4）Front opening, the outer tube（1a）Front end and inner tube（1b）Outer peripheral face be fused to together so that
The medicine-injecting cavity（3）Close front end；
The outer tube（1a）Tube wall at least offer one be used for blood is introduced into drainage lumens（4）In conduction hole（1a1）
And multiple and medicine-injecting cavity（3）The medicine outlet hole communicated（1a2）, the conduction hole（1a1）Positioned at medicine outlet hole（1a2）Rear, it is described
Conduction hole（1a1）With drainage lumens（4）Between pass through mozzle（5）Connection, the mozzle（5）From medicine-injecting cavity（3）In pass through and
Its two ends respectively with conduction hole（1a1）And drainage lumens（4）It is connected.
2. thrombolysis catheter according to claim 1, it is characterised in that：The medicine-injecting cavity（3）Including interconnected back segment
Chamber（3a）With leading portion chamber（3b）, the mozzle（5）Passed through from back segment chamber, the leading portion chamber（3b）Between middle annular
Every the barrier film for being provided with multi-disc strip（6）, the barrier film（6）It is extended back to front and by leading portion chamber（3b）It is separated into
Multiple independent grid chambers（3b1）, each grid chamber（3b1）Correspondence and a medicine outlet hole（1a2）Communicate.
3. thrombolysis catheter according to claim 2, it is characterised in that：The multiple and medicine-injecting cavity（3）The medicine outlet hole communicated
（1a2）It is spaced in the shape of a spiral.
4. thrombolysis catheter according to claim 1, it is characterised in that：The medicine-injecting cavity（3）Including interconnected back segment
Chamber（3a）With leading portion chamber（3b）, the mozzle（5）Passed through from back segment chamber, the leading portion chamber（3b）Between middle annular
Every the barrier film for being provided with multi-disc strip（6）, the barrier film（6）It is extended back to front and by leading portion chamber（3b）It is separated into
Multiple independent grid chambers（3b1）, the grid chamber（3b1）Respective correspondence and multiple medicine outlet holes spaced back to front
（1a2）Communicate.
5. thrombolysis catheter according to claim 4, it is characterised in that：The grid chamber（3b1）Interior parallel interval is provided with
Multiple partitions（7）, the partition（7）Perpendicular to catheter body（1）Axis direction set, the partition（7）Top connection
In outer tube（1a）Inwall, the partition（7）Bottom and inner tube（1b）Between leave the space passed through for thrombolysis decoction, every two
The adjacent partition of block（7）Between be correspondingly arranged on a medicine outlet hole（1a2）.
6. thrombolysis catheter according to claim 5, it is characterised in that：The medicine outlet hole（1a2）With positioned at its rear partition
（7）The distance between be more than with positioned at its front partition（7）The distance between.
7. thrombolysis catheter according to claim 1, it is characterised in that：The joint（2）For breeches joint, the breeches joint
It is provided with the external screw thread for being used for connecting calparine cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657974.0A CN107281619B (en) | 2017-08-03 | 2017-08-03 | Thrombolytic catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657974.0A CN107281619B (en) | 2017-08-03 | 2017-08-03 | Thrombolytic catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107281619A true CN107281619A (en) | 2017-10-24 |
| CN107281619B CN107281619B (en) | 2022-12-06 |
Family
ID=60104353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710657974.0A Active CN107281619B (en) | 2017-08-03 | 2017-08-03 | Thrombolytic catheter |
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| Country | Link |
|---|---|
| CN (1) | CN107281619B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107789719A (en) * | 2017-11-13 | 2018-03-13 | 上海长海医院 | Without belly core thrombolysis catheter |
| CN108577948A (en) * | 2018-05-21 | 2018-09-28 | 胡玥 | A kind of gynecological surgery rotary uterus cutter |
| CN109044484A (en) * | 2018-07-26 | 2018-12-21 | 河南亚都实业有限公司 | A kind of conduit of manual aspirate thrombi |
| CN109731205A (en) * | 2018-12-11 | 2019-05-10 | 中国人民解放军总医院 | A kind of thrombolysis catheter device |
| CN108969869B (en) * | 2018-07-01 | 2021-09-14 | 刘征宇 | Sacculus of controllable formula of internal flow reduction ischemia reperfusion injury |
| CN114916991A (en) * | 2022-01-30 | 2022-08-19 | 心凯诺医疗科技(上海)有限公司 | Integrated thrombolytic perfusion catheter assembly |
| CN115919657A (en) * | 2023-03-15 | 2023-04-07 | 潍坊市人民医院(潍坊市公共卫生临床中心) | Nutrition tube is fed to intestines and stomach postoperative disease |
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| CN107789719A (en) * | 2017-11-13 | 2018-03-13 | 上海长海医院 | Without belly core thrombolysis catheter |
| CN107789719B (en) * | 2017-11-13 | 2024-04-02 | 上海长海医院 | Inner core-free thrombolysis catheter |
| CN108577948A (en) * | 2018-05-21 | 2018-09-28 | 胡玥 | A kind of gynecological surgery rotary uterus cutter |
| CN108577948B (en) * | 2018-05-21 | 2019-11-29 | 青岛市黄岛区中心医院 | A kind of gynecological surgery rotary uterus cutter |
| CN108969869B (en) * | 2018-07-01 | 2021-09-14 | 刘征宇 | Sacculus of controllable formula of internal flow reduction ischemia reperfusion injury |
| CN109044484A (en) * | 2018-07-26 | 2018-12-21 | 河南亚都实业有限公司 | A kind of conduit of manual aspirate thrombi |
| CN109731205A (en) * | 2018-12-11 | 2019-05-10 | 中国人民解放军总医院 | A kind of thrombolysis catheter device |
| CN114916991A (en) * | 2022-01-30 | 2022-08-19 | 心凯诺医疗科技(上海)有限公司 | Integrated thrombolytic perfusion catheter assembly |
| CN115919657A (en) * | 2023-03-15 | 2023-04-07 | 潍坊市人民医院(潍坊市公共卫生临床中心) | Nutrition tube is fed to intestines and stomach postoperative disease |
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