CN106691416A - Medical measurement catheter - Google Patents
Medical measurement catheter Download PDFInfo
- Publication number
- CN106691416A CN106691416A CN201710097760.2A CN201710097760A CN106691416A CN 106691416 A CN106691416 A CN 106691416A CN 201710097760 A CN201710097760 A CN 201710097760A CN 106691416 A CN106691416 A CN 106691416A
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- CN
- China
- Prior art keywords
- mandrel
- supporting part
- measurement conduit
- conduit
- medical measurement
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14539—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring pH
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6876—Blood vessel
-
- 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
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- 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
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
Abstract
The invention provides a medical measurement catheter. The medical measurement catheter is characterized by comprising a catheter concave part for loading a sensor; the medical measurement catheter is made of a jig; the jig comprises a first mandrel, of which side surface of one end is formed with a first bearing part; a second mandrel, of which side surface of one end is formed with a second bearing part, wherein first mandrel can be separated from the second mandrel, one end of the first mandrel is abutted with one end of the second mandrel, thus the first bearing part and the second bearing part are commonly formed to be a concave part. In the invention, the first mandrel can be separated from the second mandrel, the first bearing part of the first mandrel and the second bearing part of the second mandrel are commonly formed to be a concave part; thus the manufactured medical measurement catheter can be used for loading the sensor concave part, thereby reducing the section height of the medical measurement catheter loaded with the sensor.
Description
The application is the applying dateOn 06 08th, 2016, Application No.201610404462.9, it is entitledManufacture is surveyed Measure the tool of conduitDivisional application.
Technical field
The present invention relates to a kind of medical measurement conduit.
Background technology
For many blood vessel kind diseases such as coronary heart disease, generally need to be surveyed in lesion region in its diagnosis and therapeutic process
Measure some physiological parameters such as blood pressure, oxygen saturation, blood pH etc..At present, measuring by the way of for above-mentioned parameter
For example there is measurement conduit.The sensor for detecting above-mentioned physiological parameter is provided with the outer surface of the measurement conduit.Doctor
Deng by will be measured at the stenotic lesion of the lesion region such as blood vessel in such measurement catheter positioning to body,
So as to obtain required physiological parameter.
However, such measurement conduit (sometimes referred to as " medical measurement conduit ") is generally cylindrical, if will directly use
It is arranged on the outer surface of measurement conduit in the sensor of measurement physiological parameter, because sensor has thickness in itself, therefore,
There is provided the depth of section of the measurement conduit after sensor also correspondingly increases.Because such measurement conduit is frequently necessary to enter
To at the stenotic lesion of the coronary vasodilator in such as body, therefore, sensor is directly arranged on the outer weekly form of measurement conduit
The depth of section of conduit can be increased on face, cause such conduit to be likely to produce obstruction to make in intravascular when blood vessel is moved
With the more measurement errors of introducing.In addition, conduit local size is excessive, the difficulty into lesion region, influence operation can be increased
Success rate.
The content of the invention
The present invention is completed in view of above-mentioned current condition, and controlling for conduit is measured its object is to provide a kind of manufacture
Tool so that the measurement conduit of manufacture can be easy to the installation of sensor to fix, while the conduit for substantially reducing sensor site cuts
Face highly, reduces the measurement error to physiological parameter.
Therefore, the invention provides a kind of tool for manufacturing measurement conduit, it is characterised in that：Including：First mandrel, one
The first supporting part is formed with the side surface at end；And second mandrel, the second supporting part, institute are formed with the side surface of its one end
State the first mandrel and second mandrel separable, and described one end of first mandrel with described in second mandrel
One end is docked, so that it is recess that first supporting part is collectively formed with second supporting part.
In the tool of manufacture measurement conduit involved in the present invention, the first mandrel and the second mandrel are separable, and the
It is recess that first supporting part of one mandrel and the second supporting part of the second mandrel are collectively formed, it is possible thereby to make obtained measurement
Conduit have can be used for carry sensor recess such that it is able to reduce be equipped with sensor measurement conduit depth of section.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, the bottom surface of the recess is flat
Face.Thereby, it is possible to make the obtained measurement conduit bottom surface with the recess that bottom surface is tabular surface more easily carry sensing
Device.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, first supporting part is along institute
The axis direction arrangement of the first mandrel is stated, second supporting part is arranged along the axis direction of second mandrel.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, at least bag of first mandrel
The part including at least second supporting part of part containing first supporting part and second mandrel is with described first
The outer peripheral face of mandrel is docked with the continuous mode of outer peripheral face of second mandrel.In this case, the first carrying can be made
Portion docks with being connected with the second supporting part, is conducive to being formed in manufacture measurement conduit the recess of given shape.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, in second mandrel surface
With second supporting part be spaced predetermined distance position, be provided with location division.Thus, can be surveyed in manufacture measurement conduit
The predetermined distance measured on the outer surface of conduit forms recess.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, the location division is along described
The projection that the outer surface of the second mandrel is set.In this case, the measurement catheter positioning that will easily can be manufactured
In the position of regulation.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, being formed on first mandrel
There is first control section, second control section is formed with second mandrel, by fixing the first control section and institute respectively
Second control section is stated, first supporting part is continuously docked with second supporting part.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, the first control section includes first
Stationary plane, the second control section includes the second stationary plane, and first stationary plane is identical with the direction of second stationary plane.
Thereby, it is possible to be easy to docking and positioning for the first mandrel and the second mandrel.
In addition, in the tool of manufacture measurement conduit involved in the present invention, alternatively, the position of the location division can be along
The axis direction adjustment of second mandrel.In this case, can be according to fixed to adjust the need for different setting recesses
The position in position portion, increases the applicability of the tool of manufacture measurement conduit involved in the present invention.
Additionally, in the tool of manufacture measurement conduit involved in the present invention, alternatively, in first mandrel comprising institute
The end face for stating the first supporting part is formed with convex portion, is formed with the end face comprising second supporting part of second mandrel recessed
Portion, the convex portion cooperates with recess.Thereby, it is possible to make the first supporting part more facilitate and match somebody with somebody securely with the second supporting part
Close.
According to the tool of manufacture measurement conduit provided by the present invention, can have obtained measurement conduit can use
In carrying sensor recess such that it is able to reduce the depth of section of the measurement conduit for being equipped with sensor.
Brief description of the drawings
The stereochemical structure that Fig. 1 shows the tool of the manufacture measurement conduit involved by embodiments of the present invention is illustrated
Figure；
Another stereochemical structure that Fig. 2 shows the tool of the manufacture measurement conduit involved by embodiments of the present invention is shown
It is intended to；
Fig. 3 shows first mandrel and second of the tool of the manufacture measurement conduit involved by embodiments of the present invention
Mandrel is in the structural representation of released state；
Fig. 4 shows the schematic cross-section of the length direction of the tool along the manufacture measurement conduit shown in Fig. 1；
Fig. 5 shows the manufacture method for manufacturing measurement conduit using the tool involved by embodiments of the present invention and illustrates
Figure；
Fig. 6 shows the process schematic using the tool manufacture measurement conduit of manufacture measurement conduit；
Fig. 7 shows the process schematic using the tool manufacture measurement conduit of manufacture measurement conduit；
Fig. 8 is the structural representation of the measurement conduit as obtained by the tool of manufacture measurement conduit；
Fig. 9 is that the stereochemical structure of the tool for showing the manufacture measurement conduit involved by another embodiment of the invention is shown
It is intended to.
Symbol description：
The tool of 1 ... manufacture measurement conduit, 2 ... measurement conduits, 10 ... first mandrels, 12 ... first control sections, 12a ... the
One stationary plane, 14 ... first supporting parts, the tabular surfaces of 14a ... first, 20 ... second mandrels, 22 ... second control sections, 22a ... second
Stationary plane, 24 ... second supporting parts, the tabular surfaces of 24a ... second, 30 ... recesses, 32 ... tabular surfaces, 40 ... location divisions.
Specific embodiment
Hereinafter, refer to the attached drawing, explains the preferred embodiment of the present invention.In the following description, for identical
Part assign identical symbol, the repetitive description thereof will be omitted.In addition, accompanying drawing is schematical figure, part chi each other
Very little ratio or the shape of part etc. can be with actual differences.
Fig. 1 shows the dimensional structure diagram of the tool 1 of the manufacture measurement conduit involved by embodiments of the present invention.
Fig. 2 shows another dimensional structure diagram of the tool 1 of the manufacture measurement conduit involved by embodiments of the present invention.Figure
First mandrel 10 and the second mandrel 20 of 3 tools 1 for showing the manufacture measurement conduit involved by embodiments of the present invention
Structural representation in released state.
As shown in figure 1, the tool 1 of the manufacture measurement conduit involved by present embodiment can be used for manufacture measurement conduit.
Using the tool 1 involved by present embodiment, can be formed on the ad-hoc location of the measurement conduit to be manufactured for example for
Carry the recess of sensor such that it is able to reduce the depth of section of the measurement conduit for being equipped with sensor.
In the present embodiment, function of the measurement conduit as obtained by tool 1 for example according to sensor can be used
To the purposes of the various parameters such as human lesion area measure blood pressure, oxygen saturation, blood pH.Doctors etc. are by by such survey
Measured at the stenotic lesion of the lesion region such as blood vessel in amount catheter positioning to body, so as to obtain required life
Reason parameter.Especially, the tool 1 involved by present embodiment be applied to manufacture in vivo measurement blood pressure for example in coronary vasodilator,
The measurement conduit of the various physiological parameters such as oxygen saturation, blood pH.
Additionally, measurement conduit involved in the present invention is referred to as medical measurement conduit, or it is referred to as
Intravascular pressure measures conduit.
Tool 1 involved by present embodiment includes the first mandrel 10 and the second mandrel 20.First mandrel 10 and the second core
The mandrel that axle 20 can be formed a whole by the docking of respective axial end.In the present embodiment, the He of the first mandrel 10
The constituent material of the second mandrel 20 is not particularly limited, and can be the hard metals such as alloy, steel, or other heat endurances
Good hard macromolecular material.In addition, the first mandrel 10 and the second mandrel 20 can also be made up of magnetic material, in such case
Under, the first mandrel 10 can be made to coordinate by magnetic with the second mandrel 20.In addition, the first mandrel 10 and the second mandrel 20 can be with
It is made up of identical material, it is also possible to be made up of different materials.Additionally, the first mandrel 10 and the second mandrel 20 can be hollow
Body, or solid.
As depicted in figs. 1 and 2, the first mandrel 10 is in strip.On the side surface of one end of the first mandrel 10, it is formed with
First supporting part 14 (referring to Fig. 3).First control section 12 (being described later on) is formed with the other end of the first mandrel 10.
In addition, as depicted in figs. 1 and 2, the second mandrel 20 is also in strip.In the side surface of one end of the second mandrel 20
On, it is formed with the second supporting part 24.Second control section 22 (being described later on) is formed with the other end of the second mandrel 20.
As described above, the first mandrel 10 is formed with the first supporting part 14, the second mandrel 20 is formed with the second supporting part 24.By
This, has one end of the first supporting part 14 and the formation of the second mandrel 20 to have the second supporting part 24 by the formation of the first mandrel 10
One end is docked, so that the first supporting part 14 and the second supporting part 24 collectively form recess 30.That is, recess 30 is carried by first
The supporting part 24 of portion 14 and second is constituted.
In addition, the part including at least the first supporting part 14 of the first mandrel 10 with the second mandrel 20 including at least second
Docked with the continuous mode of outer peripheral face of the second mandrel 20 with the outer peripheral face of the first mandrel 10 part of supporting part 24.By so
Mode, the first supporting part 14 of the first mandrel 10 smoothly dock with the second supporting part 24 of the second mandrel 20 and accurately calmly
Position.
In the present embodiment, the first mandrel 10 and the second mandrel 20 can be separated.Namely first mandrel 10 can be according to need
To be fitted together with the second mandrel 20, it is also possible to separated with the second mandrel 20 as needed.In this case, due to first
The mandrel 20 of mandrel 10 and second can be separated, therefore, the measurement (ginseng of conduit 2 is being made using the tool 1 involved by present embodiment
See Fig. 8) when, after recess 2b can be formed on the assigned position of the circumferential lateral surface of measurement conduit 2, by by the first mandrel 10
Separated with the second mandrel 20 and just can obtain side there is the measurement conduit 2 of recess 2b.
Fig. 4 shows the schematic cross-section of the length direction of the tool along the manufacture measurement conduit shown in Fig. 1.
In the present embodiment, as shown in figure 4, the bottom surface of recess 30 is tabular surface.In such a case, it is possible to by controlling
It is the recess of tabular surface to form bottom surface on the surface of the obtained measurement conduit 2 of tool 1, it is possible thereby to the sensing that will measure physiological parameter
Device etc. is conveniently mounted to the position of the tabular surface, effectively reduces the depth of section of the measurement conduit after being mounted with sensor.
In the present embodiment, the first supporting part 14 can be arranged along the axis direction of the first mandrel 10.That is, first
The length direction of supporting part 14 is parallel with the axis direction of the first mandrel 10.First supporting part 14 includes the first tabular surface 14a (ginsengs
See Fig. 4).
In addition, the second supporting part 24 can be arranged along the axis direction of the second mandrel 20.That is, the second supporting part 24
Length direction is parallel with the axis direction of the second mandrel 20.Second supporting part 24 includes the second tabular surface 24a (referring to Fig. 4).
In the present embodiment, arranged along the axis direction of the first mandrel 10 by making the first supporting part 14, and made
Second supporting part 24 is arranged along the axis direction of the second mandrel 20, thus, by the first tabular surface 14a and the second tabular surface 24a
The tabular surface 32 (being described later on) of composition axis direction cloth common after integrally being docked with the second mandrel 20 along the first mandrel 10
Put.
As described above, tabular surface 32 by the first supporting part 14 the first tabular surface 14a and the second supporting part 24 it is second flat
Smooth face 24a is constituted.That is, a part (such as the first tabular surface 14a) for tabular surface 32 is arranged on the first mandrel 10, tabular surface 32
Another part (such as the second tabular surface 24a) be arranged on the second mandrel 20.
Specifically, tabular surface 32 can be respectively arranged at the first mandrel 10 and the second core by the certain proportion of its gross area
On axle 20.For example, in certain embodiments, 1/3 (such as the first tabular surface 14a) of the surface area of tabular surface 32 is arranged on first
On mandrel, 2/3 (such as the second tabular surface 24a) of the surface area of tabular surface 32 is arranged on the second mandrel.In addition, in some realities
Apply in example, 1/2 (such as the first tabular surface 14a) of the surface area of tabular surface 32 is arranged on the first mandrel 10, tabular surface 32
1/2 (such as the second tabular surface 24a) of surface area is arranged on the second mandrel 20.
In addition, in some embodiments, it is also possible to be tabular surface 32 all surfaces product be arranged on the first mandrel 10,
And the part for only merely comprising a side of recess is arranged on the second mandrel 20.In this case, the first tabular surface 14a into
It is tabular surface 32.Additionally, in some embodiments, it is also possible to be tabular surface 32 all surfaces product be arranged in the second mandrel 20
On, the part for only merely comprising a side of recess is arranged on the first mandrel 10.In this case, the second tabular surface 24a
As tabular surface 32.Additionally, distribution of the tabular surface 32 on the first mandrel 10 and the second mandrel 20 can also be set in other ratios
Put, be not described in detail here.
In the present embodiment, the end face of the first mandrel 10 and the second mandrel 20 can respectively be perpendicular to respective axis side
To plane.In addition, the end face of the first mandrel 10 and the second mandrel 20 can also be angled with respective axis direction
Plane.
As shown in figure 1, in the present embodiment, tabular surface 32 reveals on the side surface of the first mandrel 10 and the second mandrel 20
Go out.Thus, during manufacture measurement conduit, it is flat that bottom surface can be easily formed on the outer surface of measurement conduit
The recess in face.
Additionally, being spaced the position of predetermined distance with the second supporting part 24 on the surface of the second mandrel 20, location division is provided with
40.During manufacture measurement conduit 2, by location division 40, can be to measuring axis side of the conduit 2 along the second mandrel 20
To being positioned.Thus, it is possible to easily set recess in the assigned position of the measurement outer surface of conduit 2.
In certain embodiments, location division 40 can be label symbol.Such as label symbol can be graduation mark, arrow etc.
Mark.In this case, in manufacture measurement conduit, the survey to be manufactured can be judged for example, by naked eyes or microscope
Whether the end for measuring conduit is reached at label symbol.
In addition, in certain embodiments, location division 40 can also be along dashing forward that the outer surface of the second mandrel 20 is set
Rise.Side surface projection due to location division 40 relative to the second mandrel 20, therefore, in manufacture measurement conduit 2, can be by making
Measurement conduit supports location division 40 to realize positioning.In addition, the projection can be formed as the outer surface along the second mandrel 20
The projection being formed continuously, it is also possible to be formed as being spaced several to be formed projection along the outer surface of the second mandrel 20.Additionally,
Projection can use shaft shoulder structure.Furthermore, it is also possible to ring tankage is further set in the shaft shoulder structure as projection, so that fixed
Position is more firm.
Additionally, the position of location division 40 can adjust along the axis direction of the second mandrel 20.That is, location division 40 can be set
It is set to moveable structure, i.e. as needed, location division 40 can move along the axis direction of the second mandrel 20, so as to adjust
Position of the whole location division 40 on the second mandrel 20.Supravasal forming position is being measured thereby, it is possible to adjust recess.
In the present embodiment, location division 40 can also be arranged on the first mandrel 10.In this case, location division 40
Equally can also play a part of to position measurement conduit 2.
As described above, being formed with first control section 12 on the first mandrel 10, it is formed with the second mandrel 20 second
Hold portion 22 (referring to Fig. 1 and Fig. 2).By adjusting and fixed first control section 12 and second control section 22, can be to the first mandrel
10 and second mandrel 20 be fixed and position.
Specifically, by adjusting and fixed first control section 12, the first supporting part 14 can be made relative to the first mandrel
10 axis is in peripheral direction towards specific orientation.By adjusting and fixed second control section 22, the second carrying can be made
Portion 24 relative to the second mandrel 20 axis in peripheral direction towards and the identical orientation of the first supporting part 14.Thus, in profit
When measurement conduit is manufactured with the tool involved by present embodiment, the docking operation between the first mandrel 10 and the second mandrel 20
In, specific orientation is respectively facing by the first supporting part 14 and the second supporting part 24, first on the first mandrel 10 can be made
Supporting part 14 is smoothly docked with the second supporting part 24 on the second mandrel 20, so as to constitute continuous tabular surface 32.
In the present embodiment, first control section 12 is not particularly limited with the shape of second control section 22.For example, such as Fig. 1
With shown in Fig. 2, first control section 12 is identical with the shape of second control section 22, is substantially in semi-cylindrical.
As shown in figure 3, first control section 12 is formed in the one end opposite with the first supporting part 14 on the first mandrel 10.
In some embodiments, first control section 12 can include the first stationary plane 12a.Additionally, the first stationary plane 12a can be with tabular surface
The direction (normal direction) of 32 part on the first mandrel 10 is identical, i.e. the first stationary plane 12a can be with the first supporting part
The direction (normal direction) of the first tabular surface 14a on 14 is identical.
Second control section 22 is formed in the one end opposite with the second supporting part 24 on the second mandrel 20.In some embodiments
In, second control section 22 includes the second stationary plane 22a.Second stationary plane 22a can be located on the second mandrel 20 with tabular surface 32
Part direction (normal direction) it is identical, i.e., the court of the second tabular surface 24a on the second stationary plane 22a and the second supporting part 24
It is identical to (normal direction).
By holding first control section 12 and second control section 22 and adjusting the first mandrel 10 and the second mandrel 20, make first
First tabular surface 14a of supporting part 14 and the second tabular surface 24a of the second supporting part 24 have identical direction.
Although in fig. 4 it is shown that the first tabular surface 14a of the first supporting part 14 is fixed with the first of first control section 12
The direction (normal direction) of face 12a is identical, but, the first tabular surface 14a of the first supporting part 14 and the of the second supporting part 24
The direction of two tabular surface 24a can also be different.For example, in certain embodiments, the first tabular surface 14a's of the first supporting part 14
Towards (normal direction) 45° angle can be differed with the direction (normal direction) of the first stationary plane 12a of first control section 12.One
In a little embodiments, the direction (normal direction) of the first tabular surface 14a of the first supporting part 14 is consolidated with the first of first control section 12
The direction (normal direction) for determining face 12a can differ 90 ° of angles.
Although in addition, figure 4 illustrates the second tabular surface 24a and the second of second control section 22 of the second supporting part 24
The direction (normal direction) of stationary plane 22a is identical, but the second tabular surface 24a of the second supporting part 24 and second control section 22
The direction of the second stationary plane 22a can also be different.For example, in certain embodiments, the second tabular surface 24a of the second supporting part 24
Direction (normal direction) can differ 45° angle with the direction (normal direction) of the second stationary plane 22a of second control section 22.
In some embodiments, the second tabular surface 24a of the second supporting part 24 and the second stationary plane 22a (normal sides of second control section 22
To) 90 ° of angles can be differed.
Additionally, first control section 12 can also use different structures from second control section 22.As long as ensureing that first holds
Portion 12 and second control section 22 smoothly can be held or operation instrument holding by hand.By holding the first holding respectively
Portion 12 and second control section 22 such that it is able to adjust and fix the first mandrel 10 and the second mandrel 20 respectively.
In the present embodiment, the first mandrel 10 can be the roughly the same cylinder of diameter with the second mandrel 20.Additionally,
When using the manufacture measurement conduit 2 of tool 1 involved by present embodiment, remotely located portion 40 on the first mandrel 10 and it is not required to
The part for being nested into measurement conduit 2 can also be using the shape different from cylinder.Heat is carried out for example, by measurement conduit 2
Contracting technique, makes to form tabular surface at the position of its regulation on the surface of conduit 2 is measured.
Hereinafter, reference picture 5 is briefly described to Fig. 8 and measures conduit 2 using the manufacture of tool 1 involved by present embodiment
Process.
Fig. 5 shows the manufacture method for manufacturing measurement conduit using the tool involved by embodiments of the present invention and illustrates
Figure.Fig. 6 shows the process schematic using the tool manufacture measurement conduit of manufacture measurement conduit.Fig. 7 shows utilization
The process schematic of the tool manufacture measurement conduit of manufacture measurement conduit.Fig. 8 is as obtained by the tool of manufacture measurement conduit
Measure the structural representation of conduit.
Reference picture 5, first, prepares the first mandrel 10 and the second mandrel 20 involved by present embodiment and constitutes to survey
Measure the sleeve pipe (step S10) of conduit 2.First mandrel 10 and the second mandrel 20 can be in the column of strip.Constitute measurement
The sleeve pipe of conduit 2 can be thermoplastic plastic bushing, and it can take specific length as needed.In the present embodiment, mould
The diameter of sleeve pipe is expected slightly larger than the external diameter of the first mandrel 10 and the external diameter of the second mandrel 20, and is slightly less than the outer of location division 40
Footpath, so that plastic bushing can be conveniently set on the first mandrel 10 and the second mandrel 20, and is easily positioned by location division 40.
Then, second control section 22 is held by craft or operation instrument, by adjusting and fixed second control section 22, from
And fix the second mandrel 20, then a part for plastic bushing is enclosed within the second mandrel 20.Specifically, plastic bushing is made
It is nested into one end comprising the second supporting part 22 of the second mandrel 20 and is advanced along the second mandrel 20, until plastic bushing is reached
Location division 40, for example, make plastic bushing be advanced along the second mandrel 20 until being stopped by location division 40.
Then, first control section 12 is held by craft or operation instrument, by adjusting and fixed first control section 12,
So that by one end comprising the first supporting part 14 of the first mandrel 10 towards plastic bushing, and it is enclosed within a part for plastic bushing
On first mandrel 10.
Adjusted by manual setting or by operation instrument, make the first mandrel 10 and the second mandrel 20 in plastic bushing
(docking) is abutted and is aligned, so that the second tabular surface 24a of the first tabular surface 14a of the first mandrel 10 and the second mandrel 20
With identical towards (normal direction).That is, the first supporting part 14 of the first mandrel 10 and the second supporting part of the second mandrel 20
24 common recesses 30, and the first tabular surface 14a of the first supporting part 14 and the second tabular surface 24a of the second supporting part 24 are common
Constitute the tabular surface 32 of recess 30.
Then, plastic bushing is enclosed within the first mandrel 10 and the second mandrel 20.That is, plastic bushing is enclosed within by the He of the first mandrel 10
On the tool 1 of the composition of the second mandrel 20 (referring to Fig. 6) (step S20).
Now, plastic bushing is made by 20 groups of the first mandrel 10 and the second mandrel by thermoplastic processing (such as pyrocondensation technique)
Into tool 1 on thermoplastic shaping, thus on the assigned position of plastic bushing formed with tabular surface recess (referring to Fig. 7)
(step S30).
Then, the first mandrel 10 and the second mandrel 20 are removed (referring to Fig. 7) from the two ends of plastic bushing respectively, it is specific and
Speech, by the first mandrel 10 along direction D from plastic bushing remove, by the second mandrel 20 along the direction D ' opposite with direction D from
Plastic bushing removes (step S40).It is be made up of the first supporting part 14 and the second supporting part 24 recessed due to what is formed on tool 1
Portion 30, therefore, the first mandrel 10 and the second mandrel 20 can be removed easily from the two ends of plastic bushing.
Thus, the outer surface obtained in catheter main body 2a is formed with measurement conduit 2 (referring to Fig. 8) (step of recess 2b
S50)。
It should be understood that above-mentioned steps are as just the reference in actual mechanical process, can be realized utilizing according to above-mentioned steps
Tool involved by present embodiment manufactures the process of measurement conduit, but can also according to actual conditions combining step or
Delete certain or some steps.
In certain embodiments, the measurement conduit 2 as manufactured by tool 1 goes for the insertion type of angiocardiopathy and examines
Disconnected or therapeutic process.For example, above-mentioned measurement conduit 2 can serve as measure blood flow reserve fraction (FFR) value used it is remote
End sleeve pipe, wherein, the distal cannula has the guidewire lumen for slideably receiving single medical guiding wire, in distal cannula appearance
Carry the pressure sensor of measurement blood pressure parameter in face (i.e. the recess with tabular surface).
Specific when using, by making the measurement conduit 2 as distal cannula receive and be slided along medical guiding wire, far
End sleeve pipe and the pressure sensor being arranged in distal cannula can be sent in patient body's body the predetermined of (such as vein, artery)
Position.Here, distal cannula is generally connected with proximal part, and the Medical Devices that proximal part is connected to human vitronectin are for example located
Reason equipment.The blood pressure information acquired in pressure sensor in distal cannula can be transferred to the treatment of outside along proximal part
Equipment.
Although being illustrated to the present invention above in association with drawings and embodiments, it is not intended to limitation
The present invention, it will be appreciated that to those skilled in the art, without departing from the spirit and scope of the present invention, can
Deformed and changed with to the present invention, these deformations and change are each fallen within scope of the claimed protection of the invention.
For example, in the above-described embodiment, the first mandrel 10 is not particularly limited with the second docking for mandrel 20, Ke Yishi
Axial end is docked.In addition, in certain embodiments, as shown in figure 9, can divide on the end face of the first mandrel 10 and the second mandrel 20
The projection and recess that She Zhi do not coordinate, or other primary-secondary type attachment structures, are thus easy to the first mandrel 10 and the second core
The docking of axle 20 and positioning.
In addition, in certain embodiments, the pipe thickness of the measurement conduit according to required making is larger in pipe thickness
When, recess can also have step-like bottom surface.
Claims (10)
1. a kind of medical measurement conduit, it is characterised in that：
It has the conduit recess for carrying sensor, and
The medical measurement conduit is made up of tool,
The tool includes：
First mandrel, is formed with the first supporting part on the side surface of its one end；And
Second mandrel, is formed with the second supporting part on the side surface of its one end,
First mandrel is separable with second mandrel, and
Described one end of first mandrel is docked with described one end of second mandrel so that first supporting part with
It is recess that second supporting part is collectively formed.
2. medical measurement conduit as claimed in claim 1, it is characterised in that：
The bottom surface of the recess is tabular surface.
3. medical measurement conduit as claimed in claim 1, it is characterised in that：
First supporting part arranges that second supporting part is along second core along the axis direction of first mandrel
The axis direction arrangement of axle.
4. the medical measurement conduit as described in any one of claims 1 to 3, it is characterised in that：
The part including at least first supporting part of first mandrel is with second mandrel including at least described
Docked with the continuous mode of outer peripheral face of second mandrel with the outer peripheral face of first mandrel part of two supporting parts.
5. medical measurement conduit as claimed in claim 1, it is characterised in that：
The position that predetermined distance is spaced with second supporting part in second mandrel surface, is provided with location division.
6. medical measurement conduit as claimed in claim 5, it is characterised in that：
The location division is the projection set along the outer surface of second mandrel.
7. medical measurement conduit as claimed in claim 1, it is characterised in that：
First control section is formed with first mandrel, second control section is formed with second mandrel,
By fixing the first control section and the second control section respectively, first supporting part is set to be carried with described second
Continuously dock in portion.
8. medical measurement conduit as claimed in claim 7, it is characterised in that：
The first control section includes the first stationary plane, and the second control section includes the second stationary plane, first stationary plane
Direction with second stationary plane is identical.
9. medical measurement conduit as claimed in claim 5, it is characterised in that：
The position of the location division can adjust along the axis direction of second mandrel.
10. medical measurement conduit as claimed in claim 1, it is characterised in that：
Convex portion is formed with the end face comprising first supporting part of first mandrel,
The second recess is formed with the end face comprising second supporting part of second mandrel,
The convex portion cooperates with the second recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097760.2A CN106691416A (en) | 2016-06-08 | 2016-06-08 | Medical measurement catheter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097760.2A CN106691416A (en) | 2016-06-08 | 2016-06-08 | Medical measurement catheter |
| CN201610404462.9A CN105962916B (en) | 2016-06-08 | 2016-06-08 | Fixture for manufacturing measurement catheter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404462.9A Division CN105962916B (en) | 2016-06-08 | 2016-06-08 | Fixture for manufacturing measurement catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106691416A true CN106691416A (en) | 2017-05-24 |
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ID=57010363
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404462.9A Active CN105962916B (en) | 2016-06-08 | 2016-06-08 | Fixture for manufacturing measurement catheter |
| CN201710097760.2A Pending CN106691416A (en) | 2016-06-08 | 2016-06-08 | Medical measurement catheter |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404462.9A Active CN105962916B (en) | 2016-06-08 | 2016-06-08 | Fixture for manufacturing measurement catheter |
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| CN (2) | CN105962916B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6103037A (en) * | 1995-12-12 | 2000-08-15 | Medi-Dyne Inc. | Method for making a catheter having overlapping welds |
| CN102170827A (en) * | 2008-08-06 | 2011-08-31 | 卡拉格股份公司 | Device for measuring the blood flow of a body tissue |
| CN103991210A (en) * | 2013-02-19 | 2014-08-20 | 上海微创医疗器械（集团）有限公司 | Method for formation of spiral layer inside catheter |
| US20150173629A1 (en) * | 2013-12-19 | 2015-06-25 | Volcano Corporation | Device, system, and method for assessing intravascular pressure |
| US20150196210A1 (en) * | 2014-01-15 | 2015-07-16 | Medtronic Vascular Galway | Catheter For Providing Vascular Pressure Measurements |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20116879U1 (en) * | 2001-10-13 | 2001-12-20 | Rehau Ag & Co | Device for determining the intracerebral pressure gradient |
| CN202480367U (en) * | 2011-12-15 | 2012-10-10 | 乐普（北京）医疗器械股份有限公司 | Medical-conduit forming mold |
| CN104367324B (en) * | 2013-08-16 | 2016-12-28 | 上海微创电生理医疗科技有限公司 | Pressure sensor device and manufacture method, mould and catheter |
| CN104188672B (en) * | 2014-07-28 | 2016-04-13 | 重庆金山科技（集团）有限公司 | The manufacture method of esophageal pressure measuring guide |
| CN205866731U (en) * | 2016-06-08 | 2017-01-11 | 深圳北芯生命科技有限公司 | Make measuring catheter's tool |
-
2016
- 2016-06-08 CN CN201610404462.9A patent/CN105962916B/en active Active
- 2016-06-08 CN CN201710097760.2A patent/CN106691416A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6103037A (en) * | 1995-12-12 | 2000-08-15 | Medi-Dyne Inc. | Method for making a catheter having overlapping welds |
| CN102170827A (en) * | 2008-08-06 | 2011-08-31 | 卡拉格股份公司 | Device for measuring the blood flow of a body tissue |
| CN103991210A (en) * | 2013-02-19 | 2014-08-20 | 上海微创医疗器械（集团）有限公司 | Method for formation of spiral layer inside catheter |
| US20150173629A1 (en) * | 2013-12-19 | 2015-06-25 | Volcano Corporation | Device, system, and method for assessing intravascular pressure |
| US20150196210A1 (en) * | 2014-01-15 | 2015-07-16 | Medtronic Vascular Galway | Catheter For Providing Vascular Pressure Measurements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105962916B (en) | 2017-05-03 |
| CN105962916A (en) | 2016-09-28 |
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| CB02 | Change of applicant information |
Address after: Area E, 3 / F, building 3, Tingwei Industrial Park, No.6 Liufang Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Beixin Life Technology Co.,Ltd. Address before: Area E, 3 / F, building 3, Tingwei Industrial Park, No.6 Liufang Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: INSIGHT LIFETECH Co.,Ltd. (SHENZHEN ) |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |