CN105962917B - Measuring conduit manufacturing method - Google Patents
Measuring conduit manufacturing method Download PDFInfo
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- CN105962917B CN105962917B CN201610404489.8A CN201610404489A CN105962917B CN 105962917 B CN105962917 B CN 105962917B CN 201610404489 A CN201610404489 A CN 201610404489A CN 105962917 B CN105962917 B CN 105962917B
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- mandrel
- supporting part
- conduit
- measurement conduit
- recess
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- 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
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
-
- 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
- A61B5/02—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
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
-
- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Optics & Photonics (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention provides a measuring conduit. The measuring conduit comprises a conduit body which is in a long-strip-type tubular shape and a concave part arranged on the surface of the periphery of the conduit body. In the measuring conduit, as the concave part is arranged on the surface of the periphery of the measuring conduit, a sensor and the like for measuring physiological parameters can be arranged on the concave part of the measuring conduit, the section depth of the measuring conduit carrying with the sensor can be reduced, and therefore the measuring error caused by the measuring conduit is reduced.
Description
Technical field
The present invention relates to a kind of measurement conduit and its manufacture method.
Background technology
For many blood vessel kind diseases such as coronary heart disease, generally need to survey in lesion region in its diagnosis and therapeutic process
Measure some physiological parameters such as blood pressure, oxygen saturation, blood pH etc..At present, for the measurement of above-mentioned parameter is by the way of
For example there is measurement conduit.It is provided with the outer surface of the measurement conduit for detecting the sensor of above-mentioned physiological parameter.Doctor
Measure Deng by by the stenotic lesion of the lesion region such as blood vessel in such measurement catheter positioning to human body body,
So as to the physiological parameter needed for obtaining.
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, as sensor itself has thickness, therefore,
The depth of section for being provided with the measurement conduit after sensor also correspondingly increases.As such measurement conduit is frequently necessary to enter
To at the stenotic lesion of the coronary vasodilator in such as human body 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 work in intravascular when blood vessel is moved
With the more measurement error of introducing.In addition, conduit local size is excessive, the difficulty into lesion region can be increased, affect operation
Success rate.
The content of the invention
The present invention is completed in view of above-mentioned current condition, its object is to provide a kind of measurement conduit and its manufacture
Method so that the measurement conduit of manufacture can be easy to the installation of sensor to fix, while substantially reducing the conduit of sensor site
Depth of section, reduces the measurement error to physiological parameter.
For this purpose, an aspect of of the present present invention provides a kind of measurement conduit, it is characterised in that：Including：Catheter main body, which is in long
The tubulose of bar shaped；And recess, which is arranged on the outer surface of the catheter main body.
In measurement conduit involved in the present invention, as the outer surface in measurement conduit is formed with recess, therefore,
Sensor of measurement physiological parameter etc. can be arranged on the recess of the measurement conduit, sensor is equipped with thus, it is possible to reduce
Measurement conduit depth of section, so as to reduce because measure conduit itself caused by measurement error.
In addition, in measurement conduit involved in the present invention, alternatively, the bottom surface of the recess is tabular surface.Thus, energy
The obtained measurement conduit bottom surface with bottom surface for the recess of tabular surface is enough made more easily to carry sensor.
In addition, in measurement conduit involved in the present invention, alternatively, also including the sensing being arranged on the recess
Device.Utilize the sensor being arranged on recess to measure various physiological parameters thereby, it is possible to convenient.
Furthermore, another aspect provides a kind of manufacture method of measurement conduit, it is characterised in that：Including：It is accurate
Standby tool and plastic bushing；The plastic bushing is sleeved on the tool；Thermoplastic processing is carried out to the plastic bushing；And
And the tool is removed from the plastic bushing, it is so as to be formed on outer surface the measurement conduit with recess, described to control
Tool possesses：First mandrel, is formed with the first supporting part on the side surface of its one end；And second mandrel, the side surface of its one end
On be formed with the second supporting part, first mandrel is separable with second mandrel, and described the one of first mandrel
End is docked with described one end of second mandrel so that first supporting part and second supporting part collectively form for
Recess.
In the manufacture method of measurement conduit involved in the present invention, the first mandrel is separable with the second mandrel, and the
Second supporting part of first supporting part and the second mandrel of one mandrel is collectively formed as recess, it is possible thereby to make obtained measurement
Conduit have can be used for carry sensor recess such that it is able to reduction be equipped with sensor measurement conduit depth of section.
In addition, in the manufacture method of 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 bottom surface for the recess of tabular surface more easily carry sensing
Device.
In addition, in the manufacture method of measurement conduit involved in the present invention, alternatively, at least bag of first mandrel
The part including at least second supporting part of the 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 is docked with being connected with the second supporting part, is conducive to the recess of given shape is formed in manufacture measurement conduit.
In addition, in the manufacture method of 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 in manufacture measurement conduit
Predetermined distance on the outer surface of measurement conduit forms recess.
In addition, in the manufacture method of 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 arranged.In this case, can easily by measurement catheter positioning to be produced
In the position of regulation.
In addition, in the manufacture method of 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 manufacture method of measurement conduit involved in the present invention, alternatively, the first control section includes first
Stationary plane, the second control section include 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 manufacture method of 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 adjust fixed according in the different needs for arranging recess
The position in position portion, increases the suitability of the manufacture method of measurement conduit involved in the present invention.
Additionally, in the manufacture method of 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 are cooperated with recess.Thereby, it is possible to making the first supporting part convenient with the second supporting part and matching somebody with somebody securely
Close.
According to measurement conduit provided by the present invention and its manufacture method, have can measurement conduit and can be used for carrying
Sensor recess such that it is able to which reduction is equipped with the depth of section of the measurement conduit of sensor.
Description of the drawings
Fig. 1 shows the structural representation of the measurement conduit involved by present embodiment；
Fig. 2 shows the structural representation of the measurement conduit for being equipped with sensor involved by present embodiment；
Fig. 3 shows the stereochemical structure of the tool of the manufacture measurement conduit involved by embodiments of the present invention and illustrates
Figure；
Fig. 4 shows another stereochemical structure of the tool of the manufacture measurement conduit involved by embodiments of the present invention and shows
It is intended to；
Fig. 5 shows first mandrel and second of the tool of the manufacture measurement conduit involved by embodiments of the present invention
Structural representation of the mandrel in released state；
Fig. 6 shows the schematic cross-section of the length direction of the tool along the manufacture measurement conduit shown in Fig. 3；
Fig. 7 is showed and is illustrated using the manufacture method of the tool manufacture measurement conduit involved by embodiments of the present invention
Figure；
Fig. 8 shows the process schematic of the tool manufacture measurement conduit using manufacture measurement conduit；
Fig. 9 shows the process schematic of the tool manufacture measurement conduit using manufacture measurement conduit；
Figure 10 is the stereochemical structure of the tool for illustrating the manufacture measurement conduit involved by another embodiment of the invention
Schematic diagram.
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 first tabular surfaces of 14a ..., 20 ... second mandrels, 22 ... second control sections, 22a ... second
Stationary plane, 24 ... second supporting parts, the second tabular surfaces of 24a ..., 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 give identical symbol, the repetitive description thereof will be omitted.In addition, accompanying drawing is simply schematically schemed, part chi each other
Shape of very little ratio or part etc. can be different from reality.
In the present embodiment, measure conduit 2 for example to be used to human lesion region according to the function of sensor
The purposes of the various parameters such as measurement blood pressure, oxygen saturation, blood pH.Doctors etc. are by measuring catheter positioning the pure man by such
Measure at the stenotic lesion of such as blood vessel of the lesion region in body body, so as to the physiological parameter needed for obtaining.Especially,
Measurement conduit 2 involved by present embodiment is applied to measurement blood pressure, oxygen saturation, blood PH in such as coronary vasodilator in vivo
The various physiological parameters such as value.
Measurement conduit 2 involved in the present invention is referred to as medical measurement conduit, or is referred to as blood vessel
Interior pressure measurement conduits.
Fig. 1 shows the structural representation of the measurement conduit 2 involved by present embodiment.Fig. 2 shows this enforcement
The structural representation of the measurement conduit 2 for being equipped with sensor involved by mode.In fig. 1 and 2, schematically show only
Measurement conduit 2, the length for measuring conduit 2 can according to circumstances extend or shorten.
As depicted in figs. 1 and 2, measuring conduit 2 includes catheter main body 2a and recess 2b.In the present embodiment, conduit master
Body 2a elongated tubulose.In addition, recess 2b is arranged on the outer surface of catheter main body 2a.The material of catheter main body 2a does not have
Especially limit, for example, can be made up of thermoplastic medical plastic sleeve pipe.In addition, the sleeve pipe for constituting measurement conduit 2 can also be by
Plastic bushing and the thermoplastic pipe being coated on outside plastic bushing are constituted.
In addition, the bottom surface of recess 2b can be tabular surface.It is tabular surface recessed with bottom surface thereby, it is possible to make obtained
Sensor 3 is carried more easily in the measurement conduit bottom surface in portion.In addition, the survey after being equipped with sensor further can be reduced
The depth of section of amount conduit 2, so as to reduce because measuring the measurement error that conduit 2 causes itself.
Additionally, measurement conduit 2 can also include the sensor 3 being arranged on recess 2a.Thereby, it is possible to convenient using setting
Sensor 3 on recess 2b is measuring various physiological parameters.Sensor 3 can for example be pressure transducer.Such pressure
Sensor for example can be used to measure blood pressure.The mode that sensor 3 is fixed on recess 2a is not particularly limited, for example, can lead to
The mode for crossing welding is fixed on sensor 3 on recess 2a, it is also possible to sensor 3 is fixed on recess 2a by way of bonding
On.
In addition, in the present embodiment, as shown in Fig. 2 the physiological parameter signals obtained by sensor 3 can by with biography
Sensor 3 connects the processing equipment (not shown) that the transmission line 3b for for example electrically connecting passes to human external.Via the place of human external
Reason equipment can obtain such as blood flow reserve parameter (FFR), and blood flow reserve parameter can be used for instructing for example whether narrow in pathological changes
Place support in narrow place.In order to ensure measuring the safety in use of conduit 2, for example, can also pass through tubing etc. by transmission line
3b is coated.Thus, can both increase the supporting role of transmission line 3b, it may also be ensured that the insulation of transmission line 3b.
Alternatively, it is also possible to cover by way of being exposed to the outer tube with the detection position of sensor 3 outer tube (not shown)
Sensor 3.Thereby, it is possible to protect sensor 3, and reduce it is unnecessary between the measurement object of sensor 3 and measurement conduit 2
Contact.
As described above, in the measurement conduit 2 involved by present embodiment, due to the outer surface shape in measurement conduit 2
Into there is recess 2b, the sensor 3 that therefore, it can for example to be measured various physiological parameters is arranged on the recess 2b of the measurement conduit 2
On, the depth of section thus, it is possible to reduce the measurement conduit 2 for being equipped with sensor 3 itself causes because measuring conduit 2 so as to reduce
In intravascular wait measurement error.
Hereinafter, the method for the measurement conduit 2 with reference to involved by Fig. 3 to Fig. 5 describes manufacture present embodiment.Fig. 3 shows
The dimensional structure diagram of the tool 1 of the manufacture measurement conduit involved by embodiments of the present invention.Fig. 4 shows the present invention
Embodiment involved by manufacture measurement conduit tool 1 another dimensional structure diagram.Fig. 5 shows the present invention's
Structure of first mandrel 10 and the second mandrel 20 of the tool 1 of the manufacture measurement conduit involved by embodiment in released state
Schematic diagram.
As shown in figure 3, the measurement conduit 2 involved by present embodiment can be manufactured by the tool 1 of manufacture measurement conduit.
Using the tool 1 involved by present embodiment, can be formed on the ad-hoc location of measurement conduit 2 to be produced is for example used for
Carry the recess 2b of sensor 3 such that it is able to which reduction is equipped with the depth of section of the measurement conduit 2 of sensor 3.
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, 10 He of the first mandrel
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 stability
Good hard macromolecular material.In addition, the first mandrel 10 and the second mandrel 20 can be to be made up of magnetic material, in such case
Under, the first mandrel 10 and the second mandrel 20 can be made by magnetic to coordinate.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 shown in Figure 3 and Figure 4, 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. 5).First control section 12 (being described later on) is formed with the other end of the first mandrel 10.
In addition, as shown in Figure 3 and Figure 4, 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 to have the second supporting part 24 with the formation of the second mandrel 20 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
Portion 14 and the second supporting part 24 are constituted.
In addition, the part including at least the first supporting part 14 of the first mandrel 10 and the second mandrel 20 are 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 is separable with the second mandrel 20.Namely first mandrel 10 can be according to need
To fit together with the second mandrel 20, it is also possible to separate with the second mandrel 20 as needed.In this case, due to first
Mandrel 10 is separable with the second mandrel 20, therefore, 2 (ginseng of measurement conduit is made using the tool 1 involved by present embodiment
See Fig. 9) when, after recess 2b being formed on the assigned position of the circumferential lateral surface of measurement conduit 2, by by the first mandrel 10
The measurement conduit 2 for being just obtained that side has recess 2b is separated with the second mandrel 20.
Fig. 6 shows the schematic cross-section of the length direction of the tool along the manufacture measurement conduit 2 shown in Fig. 3.
In the present embodiment, as shown in fig. 6, the bottom surface of recess 30 is tabular surface.In such a case, it is possible to by controlling
Have on the surface of 1 obtained measurement conduit 2 and form recess of the bottom surface for tabular surface, it is possible thereby to the sensing that physiological parameter will be measured
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. 6).
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. 6).
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 docking along the first mandrel 10 with the second mandrel 20
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
For 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
Become 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 be perpendicular to respective axis side respectively
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 3, 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 easily can form bottom surface on the outer surface of measurement conduit
The recess in face.
Additionally, being spaced the position of predetermined distance on the surface of the second mandrel 20 with the second supporting part 24, location division is provided with
40.During manufacture measurement conduit 2, by location division 40, can be to measuring conduit 2 along the axis side of the second mandrel 20
To being positioned.Thus, it is possible to easily arrange recess in the assigned position of measurement 2 outer surface of conduit.
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, survey to be manufactured can be judged for example, by naked eyes or microscope
Whether the end of amount conduit is reached at label symbol.
In addition, in certain embodiments, location division 40 can also be the prominent of the outer surface setting along the second mandrel 20
Rise.As location division 40 is relative to the side surface projection of 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 along the outer surface of the second mandrel 20
The projection being formed continuously, it is also possible to which the outer surface for being formed along the second mandrel 20 is spaced several projections to be formed.Additionally,
Projection can adopt 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 be adjusted 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 be moved 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 to measuring 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. 3 and Fig. 4).By adjusting and fixing 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 fixing 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 fixing second control section 22, the second carrying can be made
Portion 24 relative to the second mandrel 20 axis in peripheral direction towards and 14 identical orientation of the first supporting part.Thus, in profit
When measuring conduit with the tool manufacture 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 22 shape of second control section.For example, such as Fig. 3
With shown in Fig. 4, first control section 12 for example can substantially be in semi-cylindrical with identical with 22 shape of second control section.
As shown in figure 5, first control section 12 is formed in the one end contrary 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 parts 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 contrary 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, first is made
The second tabular surface 24a of the first tabular surface 14a and the second supporting part 24 of supporting part 14 has identical direction.
Although in fig. 6 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 of the first tabular surface 14a and the second supporting part 24 of the first supporting part 14
The direction of two tabular surface 24a can also be different.For example, in certain embodiments, the first tabular surface 14a of the first supporting part 14
45° angle can be differed with the direction (normal direction) of the first stationary plane 12a of first control section 12 towards (normal direction).One
In a little embodiments, the direction (normal direction) of the first tabular surface 14a of the first supporting part 14 is solid 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 6 illustrates the second tabular surface 24a of the second supporting part 24 and the second of second control section 22
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) 45° angle can be differed 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 adopt 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 manual.Held by holding first 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, the 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 adopt the shape different from cylinder.Heat is carried out for example, by measuring conduit 2
Contracting technique so as to form the recess with tabular surface at the position specified on 2 surface of measurement conduit.
Hereinafter, the manufacture measurement conduit 2 of tool 1 with reference to involved by Fig. 7 to Fig. 9 is briefly described using present embodiment
Process.
Fig. 7 is showed and is shown using the manufacture method of the tool manufacture measurement conduit 2 involved by embodiments of the present invention
It is intended to.Fig. 8 shows the process schematic of the manufacture measurement conduit of tool 1 using manufacture measurement conduit 2.Fig. 9 is showed
The process schematic of measurement conduit 2 is manufactured using tool 1.
With reference to Fig. 7, first, prepare the first mandrel 10 and the second mandrel 20 involved by present embodiment, and constitute and survey
The sleeve pipe (step S10) of amount conduit 2, that is, prepare tool and plastic bushing.First mandrel 10 and the second mandrel 20 can be in length
The column of strip.The sleeve pipe for constituting measurement conduit 2 can be thermoplastic plastic bushing, and it is long which can take regulation as needed
Degree.In the present embodiment, external diameter of the diameter of plastic bushing slightly larger than the external diameter and the second mandrel 20 of the first mandrel 10, and
The external diameter of location division 40 is slightly less than, so as to plastic bushing conveniently can be set on the first mandrel 10 and the second mandrel 20, and is held
Easily positioned by location division 40.
Then, second control section 22 is held by craft or operation instrument, by adjusting and fixing second control section 22, from
And the second mandrel 20 is fixed, then a part for plastic bushing is enclosed within the second mandrel 20.Specifically, make plastic bushing
It is nested into one end comprising the second supporting part 24 of the second mandrel 20 and advances along the second mandrel 20, until plastic bushing is reached
Location division 40, for example, make plastic bushing along the propulsion of 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 fixing first control section 12,
And it is enclosed within a part for plastic bushing so as to by one end comprising the first supporting part 14 of the first mandrel 10 towards plastic bushing
On first mandrel 10.
Adjust by manual setting or by operation instrument, make the first mandrel 10 and the second mandrel 20 in plastic bushing
Abut and be aligned (dock), so that the second tabular surface 24a of the first tabular surface 14a and the second mandrel 20 of the first mandrel 10
With identical direction (normal direction).That is, the second supporting part of first supporting part 14 and the second mandrel 20 of the first mandrel 10
24 common recesses 30, and the first tabular surface 14a of the first supporting part 14 is common with the second tabular surface 24a of the second supporting part 24
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 10 He of the first mandrel
On the tool 1 of the composition of the second mandrel 20 (referring to Fig. 8) (step S20).
Now, thermoplastic processing is carried out to plastic bushing.Specifically, plastics are made by thermoplastic processing (such as pyrocondensation technique)
Sleeve pipe thermoplastic shaping on the tool 1 being made up of the first mandrel 10 and the second mandrel 20, thus in the assigned position of plastic bushing
It is upper to form the recess (referring to Fig. 9) (step S30) with tabular surface.
Then, the first mandrel 10 and the second mandrel 20 are removed from the two ends of plastic bushing respectively, will tool 1 from plastics
Sleeve pipe is removed (referring to Fig. 9).Specifically, the first mandrel 10 is removed along direction D from plastic bushing, by 20 edge of the second mandrel
The direction D ' contrary with direction D (step S40) is removed from plastic bushing.It is by the first supporting part due to what is formed on tool 1
14 and the second supporting part 24 constitute recess 30, therefore, the first mandrel 10 and the second mandrel 20 can easily from plastic bushing
Two ends remove.
Thus, obtain measurement conduit 2 (referring to Fig. 9) (step of recess 2b is formed with the outer surface of catheter main body 2a
S50)。
It should be understood that above-mentioned steps are capable of achieving to utilize as just the reference in actual mechanical process according to above-mentioned steps
Tool involved by present embodiment manufacturing the process of measurement conduit, but can also according to practical situation combining step or
Delete certain or some steps.
In certain embodiments, the measurement conduit 2 by manufactured by tool 1 goes for the insertion type of cardiovascular disease 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 slidably receiving single medical guiding wire, outside distal cannula
Carry the pressure transducer of measurement blood pressure parameter in surface (i.e. the recess with tabular surface).
In specific use, by receiving the measurement conduit 2 as distal cannula and sliding along medical guiding wire, far
End sleeve pipe and such as pressure transducer of sensor 3 that is arranged in distal cannula can be sent in patient body's body (such as vein,
Tremulous pulse) precalculated position.Here, distal cannula is generally connected with proximal part, and proximal part is connected to the doctor of human vitronectin
Treatment equipment such as processing equipment.The blood pressure information acquired in pressure transducer in distal cannula can be transmitted along proximal part
To outside processing equipment.
Although being illustrated to the present invention above in association with drawings and embodiments, which is not intended to limit
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
To be deformed to the present invention and be changed, these deformations and change are each fallen within the scope of the claimed protection of the present 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 10, can be with the end face of the first mandrel 10 and the second mandrel 20
The raised and recess that can coordinate, or other primary-secondary type attachment structures are respectively provided with, are thus easy to the first mandrel 10 and second
The docking of mandrel 20 and positioning.
In addition, in certain embodiments, it is according to the pipe thickness of the measurement conduit of required making, larger in pipe thickness
When, recess can also have step-like bottom surface.
Claims (8)
1. it is a kind of measurement conduit manufacture method, it is characterised in that：
Including：
Prepare tool and plastic bushing；
The plastic bushing is sleeved on the tool；
Thermoplastic processing is carried out to the plastic bushing；And
The tool is removed from the plastic bushing, so as to be formed on outer surface the measurement conduit with recess,
The tool possesses：
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
Second supporting part is collectively formed as recess.
2. manufacture method as claimed in claim 1, it is characterised in that：
The part including at least first supporting part of first mandrel and second mandrel are 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.
3. manufacture method 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.
4. manufacture method as claimed in claim 3, it is characterised in that：
The location division is the projection of the outer surface setting along second mandrel.
5. manufacture method 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 made to carry with described second
Continuously dock in portion.
6. manufacture method as claimed in claim 5, 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
It is identical with the direction of second stationary plane.
7. manufacture method as claimed in claim 3, it is characterised in that：
The position of the location division can be adjusted along the axis direction of second mandrel.
8. manufacture method 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 is cooperated with second recess.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404489.8A CN105962917B (en) | 2016-06-08 | 2016-06-08 | Measuring conduit manufacturing method |
| CN201710088447.2A CN106667466A (en) | 2016-06-08 | 2016-06-08 | Measuring catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404489.8A CN105962917B (en) | 2016-06-08 | 2016-06-08 | Measuring conduit manufacturing method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710088447.2A Division CN106667466A (en) | 2016-06-08 | 2016-06-08 | Measuring catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105962917A CN105962917A (en) | 2016-09-28 |
| CN105962917B true CN105962917B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404489.8A Active CN105962917B (en) | 2016-06-08 | 2016-06-08 | Measuring conduit manufacturing method |
| CN201710088447.2A Pending CN106667466A (en) | 2016-06-08 | 2016-06-08 | Measuring catheter |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710088447.2A Pending CN106667466A (en) | 2016-06-08 | 2016-06-08 | Measuring catheter |
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| Country | Link |
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| CN (2) | CN105962917B (en) |
Citations (3)
| 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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202417A (en) * | 1988-02-08 | 1989-08-15 | Sato Kasei Kogyosho:Kk | Manufacture of blood-collecting pipe |
| US5250066A (en) * | 1990-03-19 | 1993-10-05 | Becton Dickinson And Company | Plastic pointed articles and method for their preparation |
| US6579582B1 (en) * | 1997-10-10 | 2003-06-17 | Vision Sciences Inc. | Apparatus and method for forming complex-shaped components in a heated polymeric film |
| AU2006200951B2 (en) * | 2005-03-13 | 2012-01-19 | Integra LifeSciences Switzerland Sarl | Pressure sensing devices |
| US8465686B2 (en) * | 2008-12-19 | 2013-06-18 | Volcano Corporation | Method of manufacturing a rotational intravascular ultrasound probe |
| 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 |
| CN103519795B (en) * | 2013-10-22 | 2015-08-26 | 苏州亘科医疗科技有限公司 | Measuring guide |
-
2016
- 2016-06-08 CN CN201610404489.8A patent/CN105962917B/en active Active
- 2016-06-08 CN CN201710088447.2A patent/CN106667466A/en active Pending
Patent Citations (3)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106667466A (en) | 2017-05-17 |
| CN105962917A (en) | 2016-09-28 |
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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 Patentee 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 Patentee before: INSIGHT LIFETECH Co.,Ltd. (SHENZHEN ) |