CN206350868U - A kind of guiding catheter that function is measured with intravascular pressure - Google Patents
A kind of guiding catheter that function is measured with intravascular pressure Download PDFInfo
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- CN206350868U CN206350868U CN201621092727.8U CN201621092727U CN206350868U CN 206350868 U CN206350868 U CN 206350868U CN 201621092727 U CN201621092727 U CN 201621092727U CN 206350868 U CN206350868 U CN 206350868U
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- guiding catheter
- catheter body
- measured
- function
- block
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Abstract
A kind of guiding catheter that function is measured with intravascular pressure of the utility model, including guiding catheter body, the intrinsic hollow space of guiding catheter is inner chamber；Guiding catheter body is divided into near-end and distal end on along its length, guiding catheter body proximal end end head is connected with tip, guiding catheter body distal end end head and is provided with catheter stiffener and catheter block；Guiding catheter body includes three-decker, three-decker is followed successively by internal layer, middle level, outer layer, pressure sensor is embedded with the outer layer of guiding catheter body and at tip, also embedment has signal path in the outer layer of guiding catheter body, and signal path is connected with pressure sensor；Major joint and sub-joint are provided with catheter block, signal path is connected along the outer layer of guiding catheter body by catheter stiffener, catheter block with the sub-joint of catheter block, and the major joint of catheter block is communicated with inner chamber.The utility model not only has the basic function of guiding catheter, and intravascular pressure can also be measured in real time.
Description
Technical field
The utility model belongs to technical field of medical instruments, particularly relates to a kind of with intravascular pressure measurement function
Guiding catheter.
Background technology
During percutaneous interventional procedure is to treat one of important means of vascular stenosis, and guiding catheter is percutaneous interventional procedure
A kind of conventional medicine equipment used；Guiding catheter can be used for setting up vascular access, and intervention apparatus is delivered into hemadostewnosis portion
Position, in addition, guiding catheter can also be used for injection contrast agent or medicine, and vascular pressure monitoring etc..
It is one of important step of percutaneous interventional procedure to the monitoring of patients' blood in surgical procedure, and invasive angiosthenia power is supervised
Measuring tool has accurately and reliably, the advantages of real-time value；However, the conventional guiding catheter clinically used at present does not have monitoring blood
The function of overpressure, therefore invasive angiosthenia power monitoring device needs to set up independent intervention path, will be pressed through guiding catheter
Force snesor inserts human body, it is impossible to share same guiding catheter with intervention apparatus, this may result in more complication, and
The pain of patient can be increased.
The content of the invention
The utility model is aiming above mentioned problem, and make up the deficiencies in the prior art has intravascular pressure there is provided one kind
Measure the guiding catheter of function；The utility model not only has the basic function of guiding catheter, and intravascular pressure can also be entered
Row measurement in real time.
To achieve the above object, the utility model is adopted the following technical scheme that.
A kind of guiding catheter that function is measured with intravascular pressure of the utility model, including guiding catheter body, it is described
The intrinsic hollow space of guiding catheter is inner chamber；It is characterized in that：Described guiding catheter body is divided on along its length
Near-end and distal end, are connected with tip, in described guiding catheter body distal end in described guiding catheter body proximal end end head
Catheter stiffener and catheter block are provided with end head；Described guiding catheter body includes three-decker, described three layers
Structure is followed successively by internal layer, middle level, outer layer, and pressure biography is embedded with the outer layer of described guiding catheter body and at tip
Sensor, also embedment has signal path, described signal path and pressure sensor in the outer layer of described guiding catheter body
It is connected；It is provided with major joint and sub-joint on described catheter block, the outer layer of described signal path along guiding catheter body
It is connected by catheter stiffener, catheter block with the sub-joint of catheter block, the major joint of described catheter block is communicated with inner chamber.
Wherein, described pressure sensor is used to measure endovascular blood pressure and produces blood pressure signal, and described signal leads to
Road is used to transmit the blood pressure signal from pressure sensor；Major joint on described catheter block is used to convey intervention apparatus, note
The sub-joint penetrated on contrast agent or medicine, described catheter block is used to connect pressure display equipment.
As a kind of preferred scheme of the present utility model, the length of described guiding catheter body is 80 ~ 150cm, described
The intracavity diameter of guiding catheter body be 1.5 ~ 3.0mm, the external diameter of described guiding catheter body is 1.6 ~ 3.3mm.
As another preferred scheme of the present utility model, the internal layer of described guiding catheter body by polytetrafluoroethylene (PTFE) or
Nylon material is made, and the middle level of described guiding catheter body is by 304v stainless steels, 316L stainless steels or Nitinol wire material
Be made, the outer layer of described guiding catheter body by the developing material containing X-ray polyurethane, nylon, high density polyethylene (HDPE) or embedding
Section polyetheramide elastomeric system into.
As another preferred scheme of the present utility model, the middle level of described guiding catheter body is 304v stainless steels,
316L stainless steels or uniform or gradual change the winding of nitinol alloy wire or braiding structure, grading structure is by guiding catheter body proximal end
Gradually become to guiding catheter body distal end and dredge or become close.
As another preferred scheme of the present utility model, the 304v stainless steels in the middle level of described guiding catheter body,
A diameter of 0.01~0.5mm of 316L stainless steels or nitinol alloy wire.
As another preferred scheme of the present utility model, the X-ray development material of the outer layer of described guiding catheter body
Expect for tungsten or barium sulfate powder.
It is used as another preferred scheme of the present utility model, the described sophisticated block polyether by the developing material containing X-ray
Amide elastomer is made.
As another preferred scheme of the present utility model, described sophisticated X-ray developing material is barium sulfate or secondary
Waltherite powder.
As another preferred scheme of the present utility model, described catheter stiffener is by nylon or high density polyethylene (HDPE) material
Material is made.
As another preferred scheme of the present utility model, described catheter block is made up of makrolon material.
As another preferred scheme of the present utility model, described signal path is signal wire.
Specifically, described pressure sensor is embedded in the outer layer of guiding catheter body by way of injection, and described
The front of pressure sensor exposes to the outer layer of guiding catheter body and flat with outer layer one, in order to which pressure sensor measures blood vessel
Interior blood pressure.
Further it will be understood that near-end described in the utility model refer to it is nearer apart from operator or staff
One end, described distal end refers to one end apart from operator or staff farther out.
The beneficial effects of the utility model.
A kind of guiding catheter that function is measured with intravascular pressure provided by the utility model, by guiding catheter
Embedment pressure sensor on body, pressure measuring function is had concurrently on the premise of guiding catheter basic function is ensured, can be with opponent
Pressure is measured in real time in patient vessel during art；The smooth implementation for being conducive to intervention to perform the operation.
Brief description of the drawings
In order that technical problem, technical scheme and beneficial effect that the utility model is solved are more clearly understood, below
With reference to the drawings and the specific embodiments, the utility model is further elaborated.It should be appreciated that tool described herein
Body embodiment only to explain the utility model, is not used to limit the utility model.
Fig. 1 is a kind of structural representation of the guiding catheter with intravascular pressure measurement function of the utility model.
Fig. 2 is a kind of A-A sectional views of the guiding catheter with intravascular pressure measurement function of the utility model.
Marked in figure：1 be guiding catheter body, 11 be internal layer, 12 be middle level, 13 be outer layer, 2 be tip, 3 be pressure pass
Sensor, 4 be signal path, 5 be catheter stiffener, 6 be catheter block, 61 be major joint, 62 be sub-joint, 7 be inner chamber.
Embodiment
With reference to shown in accompanying drawing 1 and 2, a kind of guiding catheter that function is measured with intravascular pressure of the utility model, including
Hollow space in guiding catheter body 1, the guiding catheter body 1 is inner chamber 7；It is characterized in that：Described guiding catheter
Body 1 is divided into near-end and distal end on along its length, tip 2 is connected with the described proximal tips portion of guiding catheter body 1,
Catheter stiffener 5 and catheter block 6 are provided with the described distal tip portion of guiding catheter body 1；Described guiding catheter body 1
Include three-decker, described three-decker is followed successively by internal layer 11, middle level 12, outer layer 13, in described guiding catheter body 1
Outer layer 13 on and be embedded with pressure sensor 3 at sophisticated 2, also buried in the outer layer 13 of described guiding catheter body 1
Enter to have signal path 4, described signal path 4 is connected with pressure sensor 3；Major joint 61 is provided with described catheter block 6
With sub-joint 62, described signal path 4 along guiding catheter body 1 outer layer 13 by catheter stiffener 5, catheter block 6 with
The sub-joint 62 of catheter block 6 is connected, and the major joint 61 of described catheter block 6 is communicated with inner chamber 7.
The length of guiding catheter body 1 described in the utility model is preferably 100cm, and the inner chamber 7 of guiding catheter body 1 is straight
Footpath is preferably 1.2mm, and the external diameter of guiding catheter body 1 is preferably 2.0mm.
Guiding catheter body 1 described in the utility model have three-decker, the material preferably polytetrafluoroethylene of internal layer 11, in
The preferred diameter 0.1mm of 12 material of layer 304v stainless steel wires, the structure of middle level 12 is preferably guided by the near-end guide of guiding catheter body 1
The distal end of tube body 1 gradually becomes thin gradual change braiding structure, the block polyetheramides elastomer of the preferred barium sulfate-containing of the material of outer layer 13；
Described internal layer 11, middle level 12 and outer layer 13 can be attached by the way of hot air welding, can also be connected by the way of gluing
Connect.
Block polyetheramides elastomer of sophisticated 2 material described in the utility model preferably containing bismuth subcarbonate；Described point
End 2 can be attached with guiding catheter body 1 by the way of hot air welding, can also be connected by the way of gluing.
One end of pressure sensor 3 described in the utility model and signal path 4 can be attached by the way of soldering.
Pressure sensor 3 described in the utility model is embedded in by way of injection on the outer layer 13 of guiding catheter body 1,
The front of pressure sensor 3 exposes to the outer layer 13 of guiding catheter body 1 and flat with outer layer 13 1, in order to pressure sensor 3
Measure endovascular blood pressure.
Signal path 4 described in the utility model is embedded to by way of injection in the outer layer 13 of guiding catheter body 1.
The preferred nylon of the material of catheter stiffener 5 described in the utility model, is socketed in the outer surface on guiding catheter body 1
And be connected with catheter block 6 in gluing mode.
The material of catheter block 6 described in the utility model is makrolon, and catheter block 6 adds with guiding catheter body 1 and conduit
Strong part 5 is connected in gluing mode；Described signal path 4 is connected with the sub-joint 62 of catheter block, for connecting external pressure
Display.
The major joint 61 of catheter block 6 described in the utility model is communicated with inner chamber 7, and for conveying intervention apparatus, injection is made
Shadow agent or medicine.
In summary, the utility model embedment pressure sensor 3 on the guiding catheter body 1 with three-decker, and
It is connected by signal path 4 with sub-joint 62, for connecting external pressure display, major joint 61 is used to convey intervention apparatus,
Contrast agent or medicine are injected, pressure measuring function is had concurrently on the premise of guiding catheter basic function is ensured, is conducive to intervening hand
The smooth implementation of art.
The distal end of guiding catheter body 1 described in the utility model is also flexible into definite shape.
Further it will be understood that near-end described in the utility model refer to it is nearer apart from operator or staff
One end, described distal end refers to one end apart from operator or staff farther out.
It is understood that specifically described above with respect to of the present utility model, be merely to illustrate the utility model and not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (10)
1. a kind of guiding catheter that function is measured with intravascular pressure, including guiding catheter body（1）, the guiding catheter sheet
Body（1）Interior hollow space is inner chamber（7）；It is characterized in that：Described guiding catheter body（1）It is divided on along its length near
End and distal end, in described guiding catheter body（1）Proximal tips portion is connected with tip（2）, in described guiding catheter body
（1）Catheter stiffener is provided with distal tip portion（5）And catheter block（6）；Described guiding catheter body（1）Include three layers
Structure, described three-decker is followed successively by internal layer（11）, middle level（12）, outer layer（13）, in described guiding catheter body（1）'s
On outer layer and close to tip（2）Place is embedded with pressure sensor（3）, in described guiding catheter body（1）Outer layer in also bury
Enter to have signal path（4）, described signal path（4）With pressure sensor（3）It is connected；Described catheter block（6）On be provided with
Major joint（61）With sub-joint（62）, described signal path（4）Along guiding catheter body（1）Outer layer（13）By conduit
Reinforcer（5）, catheter block（6）With catheter block（6）Sub-joint（62）It is connected, described catheter block（6）Major joint（61）With
Inner chamber（7）Communicate.
2. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Guiding catheter body（1）Length be 80 ~ 150cm, described guiding catheter body（1）Inner chamber（7）A diameter of 1.5 ~
3.0mm, described guiding catheter body（1）External diameter be 1.6 ~ 3.3mm.
3. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Guiding catheter body（1）Internal layer（11）It is made up of polytetrafluoroethylene (PTFE) or nylon material, described guiding catheter body（1）'s
Middle level（12）It is made up of 304v stainless steels, 316L stainless steels or Nitinol wire material, described guiding catheter body（1）It is outer
Layer（13）It is made up of the polyurethane of the developing material containing X-ray, nylon, high density polyethylene (HDPE) or block polyetheramides elastomer.
4. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Guiding catheter body（1）Middle level（12）For the uniform or gradual change of 304v stainless steels, 316L stainless steels or nitinol alloy wire
Winding or braiding structure, grading structure is by guiding catheter body（1）Near-end is to guiding catheter body（1）Distal end, which gradually becomes, to be dredged or becomes
It is close.
5. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Guiding catheter body（1）Middle level（12）304v stainless steels, 316L stainless steels or nitinol alloy wire a diameter of 0.01~
0.5mm。
6. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Guiding catheter body（1）Outer layer（13）X-ray developing material be tungsten or barium sulfate powder.
7. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Tip（2）It is made up of the block polyetheramides elastomer of the developing material containing X-ray.
8. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Tip（2）X-ray developing material be barium sulfate or bismuth subcarbonate powder.
9. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：It is described
Catheter stiffener（5）It is made up of nylon or high-density polyethylene material.
10. a kind of guiding catheter that function is measured with intravascular pressure according to claim 1, it is characterised in that：Institute
The catheter block stated（6）It is made up of makrolon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092727.8U CN206350868U (en) | 2016-09-30 | 2016-09-30 | A kind of guiding catheter that function is measured with intravascular pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092727.8U CN206350868U (en) | 2016-09-30 | 2016-09-30 | A kind of guiding catheter that function is measured with intravascular pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206350868U true CN206350868U (en) | 2017-07-25 |
Family
ID=59346972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092727.8U Expired - Fee Related CN206350868U (en) | 2016-09-30 | 2016-09-30 | A kind of guiding catheter that function is measured with intravascular pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206350868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093967A1 (en) * | 2018-11-05 | 2020-05-14 | 苏州润迈德医疗科技有限公司 | Novel catheter for invasive arterial pressure monitoring, and method for using same |
-
2016
- 2016-09-30 CN CN201621092727.8U patent/CN206350868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093967A1 (en) * | 2018-11-05 | 2020-05-14 | 苏州润迈德医疗科技有限公司 | Novel catheter for invasive arterial pressure monitoring, and method for using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20180930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |