CN206372043U - Intravascular blood pressure measurement seal wire - Google Patents
Intravascular blood pressure measurement seal wire Download PDFInfo
- Publication number
- CN206372043U CN206372043U CN201621103044.8U CN201621103044U CN206372043U CN 206372043 U CN206372043 U CN 206372043U CN 201621103044 U CN201621103044 U CN 201621103044U CN 206372043 U CN206372043 U CN 206372043U
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- chamber
- cylindrical mount
- induction part
- interlayer
- seal wire
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- Expired - Fee Related
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model is related to a kind of intravascular blood pressure measurement seal wire, including distal tube, proximal tube, internal core filaments, pressure sensor, distal tube includes the distal tube one set gradually, cylindrical mount and distal tube two, cylindrical mount includes the cylindrical mount body with developing function, cylinder case body has through the inner chamber at cylindrical mount body both ends, cylindrical mount also includes the longitudinal interlayer for being arranged on interior intracavitary and the axial direction setting along cylindrical mount body, the inner chamber is separated into first chamber independent of each other and second chamber by longitudinal interlayer, internal core filaments are located in first chamber, pressure sensor is located in second chamber.Pressure sensor and internal core filaments are separately positioned in two chambers independent of one another by the utility model, so that internal core filaments are not directly contacted with completely with pressure sensor, pressure disturbances and other pressure disturbances that seal wire self structure is brought can be avoided in clinical practice, it is ensured that the accuracy of measurement.
Description
Technical field
The utility model belongs to technical field of medical instruments, is related to used in a kind of blood vessel intervention operation a kind of intravascular
A kind of pressure measxurement medicine equipment, and in particular to intravascular blood pressure measurement seal wire.
Background technology
Heart disease is the current killer of the mankind first, and myocardial ischemia is the common cause in heart disease.Control at present
The Main Means for treating ischemic class cardiovascular disease are minimally invasive intervention operations, and judge whether that needs progress is further and intervene operation,
Current main tool is angiocardiography.Angiocardiography can only be to painstaking effort tubular bodies(That is intravascular space diameter)Whether
Change is judged, it is impossible to cardiovascular function(Exactly convey blood ability)Whether change is judged, briefly, may
This can be caused to control incurable, should not control and but control.Although many times radiography sees that hemadostewnosis is serious, it conveys the function of blood
And great influence is not affected by, and need not be performed the operation.Judge whether to intervene operation mainly by heart radiography at present, not
Whether the intuitively feature judging quota of offer one can be provided with regard to myocardial blood supply ability.Moreover, the operation such as intravascular stent is installed,
Its side effect may result in unnecessary heart attack event, while mounting bracket can also increase the medical expense of sufferer.
By long-term basic and clinic studies, FFR (blood flow reserve fraction, be also Pressure wire) has become coronary stenosis feature
The generally acknowledged index evaluated.FFR can judge whether myocardial ischemia provides reliable basis to sufferer for doctor.
Pressure wire will play its normal function, must just realize the accurate measurement to intravascular pressure.Traditional pressure
Seal wire is that sensor is arranged in core filaments in structure, then outside put again on a metal-back, metal-back have compared with
Big opening corresponds to the sensitive surface of sensor.Traditional Pressure wire is done in order to avoid the pressure that core filaments modification is caused to sensor
Disturb, sensor sensing functional area (in distal sensor position) the corresponding core filaments region in lower section and distal end can be subjected to part
Empty so that the inducing function region of sensor does not contact that (that is sensor is near in lower section and distal direction with core filaments
End is directly contacted with core filaments, and the lower section of sensor and distal end are not directly contacted with core filaments).Meanwhile, traditional Pressure wire is
Avoid the pressure disturbances that metal-back modification is caused to sensor, require that sensor and core filaments are high in the axial direction in assembling
Degree is parallel, also requires that metal-back is bigger than whole sensor distal peripheral profile corresponding to the opening in sensor sensing face.
Otherwise the pressure disturbances to sensor at metal shell opener are easily caused.But the opening again can not be too big, otherwise can drop again
Protection of the low metal shell to sensor sensing region, causes the direct feeler induction region of vascular wall, so measures
Blood pressure just completely it is inaccurate.Case above causes conventional pressure seal wire to there is very high difficulty in product design and fit on
Operation ease extreme difference in degree, manufacturing process.
The content of the invention
Technical problem to be solved in the utility model be overcome the deficiencies in the prior art there is provided one kind it is improved intravascular
Blood pressure measurement seal wire.
To solve above technical problem, the utility model is adopted the following technical scheme that:
A kind of intravascular blood pressure measurement seal wire, including the near-end that distal tube and one end are connected with one end of the distal tube
Pipe, the distal tube includes distal tube one, cylindrical mount and the distal tube two set gradually, the proximal tube and distal end
Pipe two is connected, and internal core filaments that the measurement seal wire also includes being arranged in the cylindrical mount, is arranged on the cylinder
The conductor wire that pressure sensor and two ends in installed part are connected with the pressure sensor and proximal tube respectively, the cylinder peace
Piece installing includes the cylindrical mount body with developing function, and the cylindrical mount body, which has, runs through the cylindrical mount
The inner chamber at body both ends, the cylindrical mount also includes being arranged on the interior intracavitary and along the cylindrical mount body
The inner chamber is separated into first chamber independent of each other and the second chamber by longitudinal interlayer that axial direction is set, longitudinal interlayer
Room, the internal core filaments be located in the first chamber and the internal core filaments one end extend the first chamber with it is described
Distal tube one is fixedly installed, and the other end of the internal core filaments extends the first chamber and sequentially passes through the distal tube
The other end of two and proximal tube and the internal core filaments is fixedly installed with the proximal tube, and the pressure sensor is located at
The second chamber and it is fixedly installed in the second chamber.
Preferably, the second chamber includes being used for the chamber one for accommodating the pressure sensor and described for accommodating
The chamber of conductor wire two, the chamber one shares longitudinal interlayer with the first chamber, and the conductor wire is located at institute
State in chamber two and one end of the conductor wire is connected with the pressure sensor and the other end passes the chamber two simultaneously
The other end for sequentially passing through the distal tube two and proximal tube and the conductor wire is connected with the proximal tube.
It is highly preferred that the pressure sensor includes the installation portion being fixedly installed in the chamber one and positioned at described
In chamber one and form setting for one end in the installation portion and the extension of the axial direction along the cylindrical mount body
There is the induction part of sensing chip, the conductor wire is connected with the installation portion.
It is further preferred that the induction part close to the distal tube one and the installation portion away from the distal tube one
Portion, the one side towards the chamber two of the induction part is defined as top surface, and all outer surfaces of the induction part are respectively
The top surface, towards the bottom surface of longitudinal interlayer, towards the distal tube one and the connection top surface and the end face of bottom surface
And positioned at the side of end face two and the side of the connection top surface and bottom surface, the top surface, bottom surface, side, end face are not contacted
The cylindrical mount.
It is further preferred that the interlayer one of longitudinal interlayer including setting corresponding with the installation portion and with institute
The interlayer two that induction part is correspondingly arranged is stated, the one side towards the installation portion of the interlayer one is higher than the interlayer two
The one side towards the induction part interlayer one is in contact and the bottom of the induction part with the installation portion
Face does not contact the interlayer two.
Specifically, the cross section of the radial direction in the cylindrical mount body of the induction part is less than described install
The cross section of the radial direction in the cylindrical mount body in portion make it that side, the top surface do not contact institute described in two sides
State cylindrical mount.
More specifically, the width of the induction part is less than the width of the installation portion, described in the correspondence of the chamber two
The width that the width of the part of the position of induction part is more than the induction part causes the top surface of the induction part, described in two sides
Side does not contact the cylindrical mount.
Specifically, the position of side described in the side of correspondence two of the cylindrical mount body is opened up installs through the cylinder
The side opening of the sidepiece of part body two, the size of the side opening causes side, institute described in two sides more than the size of side described in either side
State top surface, the bottom surface and do not contact the cylindrical mount, the distal interface of the side opening and the cylindrical mount body
Distal end end face distance be less than or equal to the induction part the end face and the cylindrical mount body distal end end face
Distance causes the end face of the induction part not contact the cylindrical mount.
It is highly preferred that the cross section of the second chamber in " convex " font cause the second chamber have wider portion and
Narrower part, the chamber one is the wider portion, and the chamber two is the narrower part.
It is further preferred that being provided with apical pore on the cylindrical mount body, the induction chip is arranged on described
In the one side towards the chamber two of induction part, the one side provided with the induction chip of the induction part is towards the top
Hole.
Preferably, the cylindrical mount body is metalwork, material and the cylindrical mount of longitudinal interlayer
The material of body is identical and longitudinal interlayer and this body by integral forming of cylindrical mount.
Further, the both ends of the cylindrical mount body be respectively provided with the connection distal tube one, it is remote
The counterbore that end pipe is two.
Further, the push pipe and one end that the proximal tube is connected including one end with the distal tube two are pushed away with described
The linkage section for sending the other end of pipe connected.
Further, the linkage section includes the insulation tube being connected with the push pipe and coaxially connected with the insulation tube
Metallic conduction ring, the other end of the conductor wire, which is sequentially passed through, described pushes pipe, insulation tube and metallic conduction ring, and institute
The other end and the metallic conduction ring for stating conductor wire are connected to form conductive path.
Further, the distal tube, proximal tube are coaxially disposed.
Due to the implementation of above-mentioned technical proposal, the utility model has the following advantages that compared with prior art:
Pressure sensor and internal core filaments are separately positioned on only each other by intravascular blood pressure measurement seal wire of the present utility model
Stand in two chambers so that internal core filaments are not directly contacted with completely with pressure sensor, can avoid seal wire in clinical practice
Pressure disturbances and other pressure disturbances that self structure is brought, it is possibility to have effect protection pressure sensor, it is to avoid pressure sensor
The pressure disturbances brought directly are contacted with vascular wall, so as to ensure that the accuracy of measurement.The utility model also reduces measurement
Difficulty of the seal wire in fit on.
Brief description of the drawings
Fig. 1 is the utility model blood pressure measurement seal wire overall structure diagram;
Fig. 2,3 for embodiment 1 of the present utility model pressure sensor it is different with the assembling structure relation of cylindrical mount
Stereogram under angle;
Fig. 4 is Fig. 2 enlarged front view;
Fig. 5 is Fig. 2 axial sectional view(Pressure sensor is not cutd open);
Fig. 6 is the stereogram of the cylindrical mount of embodiment 1;
Fig. 7 is the enlarged front view of the cylindrical mount of embodiment 1;
Fig. 8 is Fig. 6 axial sectional view;
Fig. 9 is the schematic diagram of the pressure sensor of embodiment 1;
Figure 10 for embodiment 2 of the present utility model pressure sensor and cylindrical mount assembling structure relation solid
Figure;
Figure 11 is Figure 10 enlarged front view;
Figure 12 is Figure 10 enlarged side view;
Figure 13 is Figure 10 axial sectional view(Pressure sensor is not cutd open);
Figure 14,15 are the stereogram under the different angles of the cylindrical mount of embodiment 2;
Figure 16 is Figure 14 enlarged front view;
Figure 17 is Figure 14 axial sectional view;
Figure 18 is the stereogram of the pressure sensor of embodiment 2;
In figure:1st, distal tube;10th, distal tube one;11st, cylindrical mount;110th, cylindrical mount body;111st, longitudinal direction
Interlayer;111a, interlayer one;111b, interlayer two;12nd, distal tube two;2nd, proximal tube;21st, pipe is pushed;22nd, insulation tube;
23rd, metallic conduction ring;3rd, pressure sensor;31st, installation portion;32nd, induction part;4th, apical pore;5th, side opening;6th, induction chip;7th,
One chamber;8th, second chamber;81st, chamber one;82nd, chamber two;9th, counterbore;A, top surface;B, bottom surface;C, end face;D, side.
Embodiment
" near-end ", " distal end " mentioned in the utility model refer to measurement seal wire in use apart from people away from
From, it is near-end close to executor direction, otherwise for distally.Internal core filaments, conductor wire are not drawn into the utility model schematic diagram.
In addition, the method in clinical application of the utility model blood pressure measurement seal wire is similar with the method in clinical application that traditional blood pressure measures seal wire,
No longer Ao Shu herein.
The utility model is further described with reference to Figure of description.
Embodiment 1
The utility model provides a kind of intravascular blood pressure measurement seal wire, as shown in Fig. 1 ~ 18, and the measurement seal wire includes distal end
The proximal tube 2 that pipe 1 and one end are connected with one end of distal tube 1, distal tube 1 includes distal tube one 10, the cylinder set gradually
Installed part 11 and distal tube two 12, proximal tube 2 is connected for two 12 with distal tube, and measurement seal wire also includes being arranged on cylinder installation
Internal core filaments in part 11, the pressure sensor 3 being arranged in cylindrical mount 11 and two ends respectively with pressure sensor 3 and near
The connected conductor wire of end pipe 2.
In the utility model, proximal tube 2 includes push pipe 21 and one end and the push that one end is connected for two 12 with distal tube
The connected linkage section of pipe 21, linkage section is included with pushing insulation tube 22 and metallic conduction ring 23 that pipe 21 is connected, the He of insulation tube 23
Metallic conduction ring 23 is provided with multiple, multiple insulation tube 22 and metallic conduction ring 23 arranged for interval, one end of conductor wire and pressure
Force snesor 3 is connected, and the other end and the metallic conduction ring 23 of conductor wire are connected to form conductive path.Push pipe 21, insulation tube 22
It is coaxially disposed with metallic conduction ring 23.
In the utility model, distal tube 1 and proximal tube 2 are coaxially disposed.
In the utility model, cylindrical mount 11 includes the cylindrical mount body 110 with developing function, and cylinder is installed
Part body 110 has through the inner chamber at the both ends of cylindrical mount body 110, and cylindrical mount 11 also includes being arranged on interior intracavitary
And longitudinal interlayer 111 of the axial direction setting along cylindrical mount body 110, cylindrical mount body 110 is metalwork, is indulged
To the material of interlayer 111 is identical with the material of cylindrical mount body 110 and longitudinal interlayer 111 and cylindrical mount body 110
It is integrally formed.
The both ends of cylindrical mount body 110 are respectively provided with connection distal tube one 10, distal tube two 12
Counterbore 9 causes cylindrical mount body 110 to form coaxial effect with distal tube one 10, two 12 latter threes that are connected of distal tube.
Inner chamber is separated into first chamber 7 independent of each other and second chamber 8 by longitudinal interlayer 111, and internal core filaments are located at the
In one chamber 7 and one end of internal core filaments are extended first chamber 7 and are fixedly installed for one 10 with distal tube, internal core filaments it is another
Extend first chamber 7 and sequentially pass through the other end of distal tube two 12 and proximal tube 2 and internal core filaments and proximal tube 2 is consolidated in end
Fixed to set, pressure sensor 3 is located in second chamber 8 and is fixedly installed in second chamber 8, and conductor wire is located at second chamber 8
Interior and conductor wire one end is connected with pressure sensor 3, and the other end of conductor wire passes second chamber 8 and sequentially passes through distal tube
Two 12, proximal tube 2 and be connected with proximal tube 2, specifically, the other end of conductor wire sequentially passes through distal tube two 12, push
Pipe 21, insulation tube 22 and metallic conduction ring 23 are simultaneously connected with metallic conduction ring 23.
Second chamber 8 includes the chamber one 81 for accommodating pressure sensor 3 and the chamber two for accommodating conductor wire
Portion 82, chamber shares longitudinal interlayer 111 for one 81 with first chamber 7, and pressure sensor 3 includes being fixedly installed on chamber one 81
Installation portion 31 and in chamber one 81 and form one end in installation portion 31 and along the axle of cylindrical mount body 110
The induction part 32 provided with sensing chip 6 extended to direction, induction part 32 and installation portion 31 are respectively positioned in chamber one 81 and pacified
Dress portion 31 is fitted close so that portion 31 is fixedly mounted for one 81 with chamber, and conductor wire is connected with installation portion 31, specifically, conductor wire position
In chamber two 82 and one end and the installation portion 31 of conductor wire the one side towards chamber two 82 be connected, the other end passes chamber
Room two 82 and sequentially pass through distal tube two 12, push pipe 21, insulation tube 22 and metallic conduction ring 23 and metallic conduction ring 23
It is connected.
Be provided with apical pore 4 on cylindrical mount body 110, induction chip 6 be arranged on induction part 32 towards chamber two
In 82 one side, the one side of the setting induction chip 6 of induction part 32 is towards apical pore 4, and apical pore 4 can be than the circumference of induction part 32
Greatly, can also be smaller than the circumference of induction part 32.
In the utility model, the cross section of second chamber 8 in " convex " font cause second chamber 8 have wider portion and compared with
Narrow portion, chamber one 81 is wider portion, and chamber two 82 is narrower part.
Specifically, induction part 32 close to distal tube one 10 and installation portion 31 away from distal tube one 10, induction part 32
Top surface a is defined as towards the chamber one side of two 82, induction chip 6 is arranged on top surface a, all outer surfaces point of induction part 32
Not Wei top surface a, be longitudinally facing interlayer 111 bottom surface b, towards distal tube one 10 and connect top surface a and bottom surface b end face c and
Positioned at the sides of end face c bis- and connect top surface a and bottom surface b side d, top surface a and bottom surface b be two relative faces, top surface a, bottom surface b,
End face c, side d do not contact cylindrical mount 11.
Wherein, top surface a, bottom surface b, end face c, side d, which do not contact the set-up mode of cylindrical mount 11, can a variety of,
In the present embodiment in the following way:
Longitudinal baffle 111 includes being correspondingly arranged with one 111a of interlayer of the corresponding setting of installation portion 31 and with induction part 32
Two 111b of interlayer, one 111a of the interlayer one side towards installation portion 31 higher than two 111b of interlayer towards induction part 32
One side make it that one 111a of interlayer is in contact with installation portion 31 and the bottom surface b of induction part 32 does not contact two 111b of interlayer.
The cross section of the radial direction in cylindrical mount body 110 of induction part 32 is less than pacifying in cylinder for installation portion 31
The cross section of the radial direction of piece installing body 110 causes the side d of two sides, top surface a not to contact cylindrical mount 11.
Specifically, the width of induction part 32 is less than the width of installation portion 31, the position for the corresponding induction part 32 that chamber is two 82
The width for the part put is more than the width of induction part 32 so that the top surface a of induction part 32, two side side d do not contact cylinder installation
Part 11.
Because inner chamber is through the both ends of cylindrical mount body 110, so first chamber 7, second chamber 8 are inevitable
Through the both ends of cylindrical mount body 110, then the end face c of induction part 32 does not contact cylindrical mount body 110 yet.
In addition, distal tube is connected for one 10 with the end of cylindrical mount body 110, and the end of cylindrical mount body 110
Portion is provided with counterbore 9, after distal tube is connected for one 10 with cylindrical mount body 110, and induction part 32 can't be with distal tube one
Portion 10 is contacted.
Embodiment 2
In the present embodiment, top surface a, bottom surface b, end face c, the side d of induction part 32 do not contact setting for cylindrical mount 11
Put mode different from embodiment 1, other be the same as Examples 1.
As shown in Figure 10 ~ 18, longitudinal baffle 111 include with one 111a of interlayer of the corresponding setting of installation portion 31 and with sense
Two 111b of interlayer that portion 32 is correspondingly arranged are answered, one 111a of the interlayer one side towards installation portion 31 is higher than two 111b of interlayer
The one side towards induction part 32 cause one 111a of interlayer be in contact with installation portion 31 and the bottom surface b of induction part 32 do not contact every
Two 111b of layer.
The side side d of correspondence two of cylindrical mount body 110 seat is opened up through the sidepiece of cylindrical mount body 110 2
Side opening 5, the size that the size of side opening 5 is more than either side side d causes two side side d, top surface a, bottom surface b not to contact cylinder
Installed part 11, the distance of the distal interface of side opening 5 and the distal end end face of cylindrical mount body 110 is less than or equal to induction part 32
End face c causes the end face c of induction part 32 not contact cylindrical mount with the distance of the distal end end face of cylindrical mount body 110.
Again because inner chamber is through the both ends of cylindrical mount body 110, so first chamber 7, second chamber 8 are inevitable
The both ends of cylindrical mount body 110 are also extended through, so the end face c of induction part 32 must not also contact cylindrical mount body
110。
In addition, distal tube is connected for one 10 with the end of cylindrical mount body 110, and the end of cylindrical mount body 110
Portion is provided with counterbore 9, after distal tube is connected for one 10 with cylindrical mount body 110, and induction part 32 can't be with distal tube one
Portion 10 is contacted.
The side side d of correspondence two of cylindrical mount 12 position opens up side opening 111 respectively, and the size of each side opening 111 is more than
Respective side side d size causes two side side d, top surface a not to contact and cylindrical mount 11.
The induction part 32 of the pressure sensor of the present embodiment is equal with the cross-sectional area of installation portion 31.
In summary, the pressure sensor 3 of blood pressure measurement seal wire of the present utility model is not contacted completely with internal core filaments,
The structure design of the contact cylindrical mount 11 of induction part 32 and miscellaneous part is avoided, can be in clinical practice, at utmost
Avoid the pressure disturbances that seal wire self structure is brought, it is possibility to have effect protection sensor, it is to avoid sensor is straight with vascular wall
The pressure disturbances of tape splicing, so as to ensure the accuracy of measurement.On the other hand, the utility model also reduces blood pressure measurement and led
Difficulty of the silk in fit on.
The utility model is described in detail above, its object is to allow the personage for being familiar with this art can be much of that
Solve content of the present utility model and be carried out, protection domain of the present utility model can not be limited with this, it is all according to this practicality
The equivalent change or modification that new Spirit Essence is made, should all cover in protection domain of the present utility model.
Claims (10)
1. a kind of intravascular blood pressure measurement seal wire, including the proximal tube that distal tube and one end are connected with one end of the distal tube,
The distal tube includes distal tube one, cylindrical mount and the distal tube two set gradually, the proximal tube and distal tube
Two are connected, and internal core filaments that the measurement seal wire also includes being arranged in the cylindrical mount, are arranged on cylinder peace
The conductor wire that pressure sensor and two ends in piece installing are connected with the pressure sensor and proximal tube respectively, the cylinder is installed
Part includes the cylindrical mount body with developing function, and the cylindrical mount body, which has, runs through the cylindrical mount sheet
The inner chamber at body both ends, it is characterised in that:The cylindrical mount also includes being arranged on the interior intracavitary and pacified along the cylinder
The inner chamber is separated into the first chamber independent of each other by longitudinal interlayer that the axial direction of piece installing body is set, longitudinal interlayer
Room and second chamber, the internal core filaments are located in the first chamber and one end of the internal core filaments extends described first
Chamber is fixedly installed with the distal tube one, and the other end of the internal core filaments extends the first chamber and sequentially passed through
The other end of the distal tube two and proximal tube and the internal core filaments is fixedly installed with the proximal tube, the pressure
Sensor is located at the second chamber and is fixedly installed in the second chamber.
2. intravascular blood pressure measurement seal wire according to claim 1, it is characterised in that:The second chamber includes being used to hold
Receive the chamber one and chamber two for accommodating the conductor wire of the pressure sensor, the chamber one and described the
One chamber shares longitudinal interlayer, and the conductor wire is located in the chamber two and one end of the conductor wire and the pressure
Force snesor is connected and the other end passes the chamber two and sequentially passes through the distal tube two and proximal tube and described leads
The other end of electric wire is connected with the proximal tube.
3. intravascular blood pressure measurement seal wire according to claim 2, it is characterised in that:The pressure sensor includes fixing
The installation portion that is arranged in the chamber one and in the chamber one and formed the installation portion one end and
The induction part provided with sensing chip extended along the axial direction of the cylindrical mount body, the conductor wire is installed with described
Portion is connected.
4. intravascular blood pressure measurement seal wire according to claim 3, it is characterised in that:The induction part is close to the distal end
Pipe one and the installation portion are away from the distal tube one, and the one side towards the chamber two of the induction part is defined as
Top surface, all outer surfaces of the induction part are respectively the top surface, towards the bottom surface of longitudinal interlayer, towards the distal end
The end face of pipe one and the connection top surface and bottom surface and positioned at the side of end face two and the side of the connection top surface and bottom surface,
The top surface, bottom surface, side, end face do not contact the cylindrical mount.
5. intravascular blood pressure measurement seal wire according to claim 4, it is characterised in that:Longitudinal interlayer include with it is described
The interlayer of the corresponding setting of installation portion one and the interlayer two being correspondingly arranged with the induction part, the interlayer one towards
The installation portion higher than the interlayer two towards the induction part while cause the interlayer one with it is described
Installation portion is in contact and the bottom surface of the induction part does not contact the interlayer two.
6. the intravascular blood pressure measurement seal wire according to claim 4 or 5, it is characterised in that:The induction part described
The cross section of the radial direction of cylindrical mount body is less than the radial direction side in the cylindrical mount body of the installation portion
To cross section cause described in two sides side, the top surface not to contact the cylindrical mount.
7. intravascular blood pressure measurement seal wire according to claim 6, it is characterised in that:The width of the induction part is less than institute
The width of installation portion is stated, the width of the part of the position of the correspondence induction part of the chamber two is more than the induction part
Width causes the top surface of the induction part, side described in two sides not to contact the cylindrical mount.
8. the intravascular blood pressure measurement seal wire according to claim 4 or 5, it is characterised in that:The cylindrical mount body
The side of correspondence two described in the position of side open up side opening through the sidepiece of cylindrical mount body two, the size of the side opening
Size more than side described in either side causes side described in two sides, the top surface, the bottom surface not to contact the cylinder peace
Piece installing, the distance of the distal interface of the side opening and the distal end end face of the cylindrical mount body is less than or equal to the induction part
The end face with the distance of the distal end end face of the cylindrical mount body end face of the induction part is not contacted
The cylindrical mount.
9. intravascular blood pressure measurement seal wire according to claim 2, it is characterised in that:The cross section of the second chamber is in
" convex " font causes the second chamber to have wider portion and narrower part, and the chamber one is the wider portion, institute
It is the narrower part to state chamber two.
10. intravascular blood pressure measurement seal wire according to claim 1, it is characterised in that:The cylindrical mount body is
Metalwork, the material of longitudinal interlayer is identical with the material of the cylindrical mount body and longitudinal interlayer is pacified with cylinder
This body by integral forming of piece installing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621103044.8U CN206372043U (en) | 2016-10-08 | 2016-10-08 | Intravascular blood pressure measurement seal wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621103044.8U CN206372043U (en) | 2016-10-08 | 2016-10-08 | Intravascular blood pressure measurement seal wire |
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Publication Number | Publication Date |
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CN206372043U true CN206372043U (en) | 2017-08-04 |
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ID=59401537
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CN201621103044.8U Expired - Fee Related CN206372043U (en) | 2016-10-08 | 2016-10-08 | Intravascular blood pressure measurement seal wire |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106361312A (en) * | 2016-10-08 | 2017-02-01 | 苏州亘科医疗科技有限公司 | Guide wire for measuring blood pressure in blood vessel |
-
2016
- 2016-10-08 CN CN201621103044.8U patent/CN206372043U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106361312A (en) * | 2016-10-08 | 2017-02-01 | 苏州亘科医疗科技有限公司 | Guide wire for measuring blood pressure in blood vessel |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20191008 |