CN108836419A - A kind of first aid aorta and its branch vessel temporary blocking device - Google Patents
A kind of first aid aorta and its branch vessel temporary blocking device Download PDFInfo
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- CN108836419A CN108836419A CN201810688283.1A CN201810688283A CN108836419A CN 108836419 A CN108836419 A CN 108836419A CN 201810688283 A CN201810688283 A CN 201810688283A CN 108836419 A CN108836419 A CN 108836419A
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- Prior art keywords
- seal wire
- foley
- tube
- wire
- aorta
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
Abstract
The invention discloses a kind of first aid aorta and its branch vessel temporary blocking devices comprising foley's tube, guiding mechanism and pressure measuring mechanism；Contrast agent channel is equipped in the foley's tube, front end is equipped with sacculus, and tail end is equipped with control handle, is equipped with air bag in the control intracavity of handle；The guiding mechanism includes silk guide passage, stiff guide wire, soft seal wire and bracing wire；The soft seal wire front end is equipped with adjustable lead ring of ellipse；The stiff guide wire and the soft seal wire endpiece are respectively equipped with indicating graduation；The pressure measuring mechanism includes two pressure conduction channels, measuring cell device and display.The design of design and lead ring that the soft or hard seal wire of guiding mechanism combines, can effectively solve the problems, such as that seal wire is strayed into bifurcated artery and causes damage；And according to the indicating graduation and pressure measuring mechanism, it can accurately determine the depth and position and balloon occluder effect that sacculus imports, and then effectively improve the efficiency and accuracy for importing and blocking.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of first aid aorta and its branch vessel are temporarily sealed
Block apparatus.
Background technique
Seal wire is for guiding and supporting to conduit in interventional therapy.When treatment, medical worker is by seal wire from predetermined
Incision is put into blood vessel, and seal wire is pushed to be located at external part, so that conduit reaches scheduled diseased region.
Under normal conditions, rupture or artery dissection is caused to be formed to avoid poking blood vessel or inner membrance, seal wire enters internal
Partial end is usually designed to curved shape (such as " J " type head), when needing to change the direction of advance of seal wire in the blood vessels,
Medical worker can reverse seal wire and be located at external part, allow the warp architecture of internal body portion end to turn to and advance.In practical application,
Access path in order to guarantee seal wire is errorless, and merging operation needs to carry out under X-ray.Seal wire and part blood vessel structure
It can develop under X-ray, when encountering vessel branch, seal wire is reversed in direction that medical worker can advance as needed
Outer body, thus allow seal wire enter scheduled vessel branch.
However, in aorta or its branch vessel, (wherein, the branch vessel of aorta refers to the intercostal being connected with aorta
Artery, the arteria renalis, internal iliac artery etc. above and below artery, coeliac trunk artery, mesenterium) and corresponding substantive target organ (such as spleen, liver
It is dirty etc.) Pre-hospital emergency of rupture in emergency circumstances, in order to as early as possible with the intervention equipment such as sacculus to damaged aorta, branch vessel
And the blood flow of corresponding substantive target organ carries out temporary plugging, medical worker has to rapidly will under conditions of no X-ray
Seal wire imports active proximal arteries and veins from artery of lower extremity.Since seal wire is except guiding function, it is also necessary to realize the effect of support conduit,
Therefore cannot be too soft and need to have relatively high hardness, in the case where no X-ray, medical worker can only by rule of thumb and hand
Sense judges that the depth that seal wire reaches and position are easy to be strayed into these in seal wire row to aorta and the infall of branch vessel
Branch vessel, it is not only possible to unnecessary accidentally damage be caused to branch vessel and its target organ, when also having delayed valuable rescue
Between.
After aorta and its branch vessel or substantive target organ burst hemorrhage, rescue must race against time, patient
It send, field first aid can only be sent after being when winning preciousness to hospital to which bleeding can be controlled rapidly outside institute after often having little time
Between.And seal wire in place after, according to existing intracavitary technology, need exchanging pipe, then exchange ultrahard guide wire, finally exchange sacculus,
During the exchange of various wire catheters, utensil pollution and In vivo infection are easily caused under the non-sterile conditions of wound scene,
It has been greatly reduced the efficiency of operation, technical threshold has been improved, extends the time effectively stopped blooding.Therefore, it is guided without x-ray
Cyclic annular seal wire guidance under, it is also necessary to sacculus and ultrahard guide wire are incorporated on cyclic annular seal wire, by gang operated, quickly completed
Sacculus merging.Therefore, on the basis of cyclic annular seal wire, it is also necessary to the easy embedded aorta temporary plugging dress of integrated coaxial
It sets, aorta after balloon blocking is rapidly completed.
In addition, filled after sacculus reaches designated position, when not being available X-ray examination development, existing closure dress
It sets and the effect of blocking blood flow is difficult to be observed in real time, this is also required to improve plugging device.
To sum up, when not being available X-ray examination development for Pre-hospital emergency, seal wire imports aorta depth and position is not easily-controllable
System, the technical issues of be easy to causeing injury of blood vessel, and the intracavitary utensil of tradition exchange repeatedly, are easy pollution and complicated for operation, no
Conducive to the status trained and promoted, it is badly in need of a kind of condition that novel aorta plugging device is guided in image documentation equipments such as no x-rays
Under, can quick, safe and effective blocking aortic flow, reduce distal end bleeding, improve salvage success rate.
Summary of the invention
When not being available X-ray examination development for Pre-hospital emergency, seal wire imports aorta depth and position is not easy to control, holds
The technical issues of easily causing injury of blood vessel, and the intracavitary utensil of tradition exchange repeatedly, are easy pollution and complicated for operation, are unfavorable for training
Instruction and the status promoted, the purpose of the present invention is to provide one kind under conditions of the image documentation equipments such as no x-ray guide, can be fast
Fast, the safe and effective temporary blocking device for blocking aortic flow, while can be become immediately by the pressure at sacculus distance end
Change, judges the effect of balloon occlusion.
First aid aorta and its branch vessel temporary blocking device of the invention includes foley's tube, guiding mechanism and survey
Press mechanism；
Contrast agent channel is equipped in the foley's tube, filled with contrast agent, the foley's tube in the contrast agent channel
Front end is equipped with the sacculus around the foley's tube, and the inner cavity of the sacculus is connected to the contrast agent channel, and the sacculus is led
Pipe tail end is equipped with control handle, and the inner cavity of the control handle is connected to the contrast agent channel, the inner cavity of the control handle
In be equipped with air bag, the air bag is circumscribed with tracheae, and the tracheae is equipped with valve；
The guiding mechanism includes silk guide passage, stiff guide wire, soft seal wire and bracing wire；The silk guide passage is set to the sacculus
In conduit, the stiff guide wire passes through the silk guide passage；The soft seal wire passes through the stiff guide wire, and the soft seal wire front end is equipped with
The lead ring of ellipse, the short diameter of the lead ring are 0.5cm-3cm, and the short diametrical direction of the lead ring soft is led perpendicular to described
Silk, in the lead ring along short diameter be equipped with can doubling articulated linkage, be equipped at intervals with several threading shrinkage pools on the soft seal wire；
The bracing wire sequentially passes through several threading shrinkage pools, the intermediate articulated section of front end and the articulated linkage along the soft seal wire
Position connection, tail end are pierced by the stiff guide wire；The stiff guide wire and the soft seal wire endpiece are respectively equipped with indicating graduation；
The pressure measuring mechanism includes two pressure conduction channels, measuring cell device and display；Two pressure conductions are logical
Road is set in the foley's tube, filled with pressure conduction liquid in the pressure conduction channel, two pressure conduction channels
Both ends are sealed by elastic membrane respectively, and the elastic membrane of two pressure conduction Channel front ends is located on the foley's tube outer wall
And it is located at the sacculus proximally and distally；The elastic membrane of two pressure conduction channels rear end is located at the sacculus and leads
The tail end of pipe is simultaneously connect with the measuring cell device, and the measuring cell device is connect with the display.
In the present invention, the foley's tube is used to for the sacculus of front end to be sent into aorta designated position, while the air bag
Setting be then to make sacculus for the contrast agent in the contrast agent channel to be extruded into implanting saccule at front end from the control handle
The full effect for realizing temporary plugging aorta.Sacculus is full and shrinks that detailed process is as follows, first by the tracheae end
It is connected with common inflation and suction device (such as trigger, syringe, ear washing bulb etc.), opens the valve and be inflated,
Contrast agent is promoted to flow into the sacculus after the air bag is full, the sacculus is full, in the blood vessel can blocking blood flow；When air bag is logical
When crossing the exhaust of the equipment such as trigger, deflated balloon causes negative pressure state in control handle, and contrast agent passes back into control handle, sacculus
It packs up, restoration of blood flow.In some preferred embodiments of the invention, the tracheae end (is compared with common inflation and suction device
Such as trigger, syringe, ear washing bulb etc.) integrated design, it is easy to use, avoids in addition finding the inflation that can allow and air-breathing is set
It is standby, save the time.
The guiding mechanism is then used to guiding and supporting the foley's tube.It is (main compared to existing blood vessel plugging device
Refer to foley's tube) in seal wire, the main distinction of guiding mechanism of the present invention includes but is not limited to：The first, the device is
Integral structure, the guiding mechanism are in the foley's tube, when importing foley's tube to aorta, foley's tube and described
Guiding mechanism is sent into simultaneously through notch or point of puncture, and then pushing soft seal wire makes its front end stretch out the certain length of stiff guide wire, then
Push stiff guide wire makes its front end stretch out the certain length of foley's tube, and lead ring can detect guidance in front, after reaching designated position,
Continuing push stiff guide wire supports its front end to lead ring, is further continued for push foley's tube and continues to import along Yarn guide component until specifying
Position, whole process controllable with incision contacts is foley's tube always, compared to conventional first guiding guide wires therein, exchanging pipe
And after ultrahard guide wire, then to import foley's tube more convenient and quick, also can avoid the secondary opening of notch.The second, the described vectoring aircraft
Structure is combined by the stiff guide wire and the soft seal wire, wherein the soft seal wire material is relatively soft, its front end setting when importing
The lead ring does not have pointed structures, is located at the front end of whole device, can effectively reduce the risk of damage blood vessel as probe,
And the short diameter of the lead ring is limited to 0.5cm-3cm, when reaching the intersection of bifurcated artery and aorta, since this is short
Diameter is greater than the internal diameter of bifurcated artery, therefore lead ring will not enter bifurcated artery, or is stuck in bifurcated artery entrance and generates one
Determine resistance, medical worker is enabled to be judged whether to be strayed into bifurcated artery according to resistance feedback, so that playing prevents from being strayed into branch
The effect of artery and cause to damage.And the stiff guide wire material of the Yarn guide component is relatively hard, may be implemented to guide and prop up
Support the effect of the foley's tube, while can guarantee the soft seal wire in the smooth degree wherein walked, also can guarantee its own
The smooth degree walked in the foley's tube.The setting of the articulated linkage and bracing wire in third, the lead ring, can effectively control
The short diameter length (width) of the lead ring is made, specifically when control, only need to unclamp or tense the bracing wire, tense the drawing
When line, doubling after the stress of position among the articulated linkage, and then the lead ring both sides are drawn close, short diameter reduces, and unclamps
When the bracing wire, the lead ring is since the elastic force of itself can freely open, and the design is so that can be at any time according to actively when importing
Arteries and veins and its diameter of branch vessel are adjusted, and are improved and are imported rate.
By the design of two pressure conduction channels and its measuring cell device in the pressure measuring mechanism, can measure in real time described
Whether the blood pressure of balloon proximal and distal end facilitates the effect for judging balloon occlusion, i.e., wholly or largely blocked actively
Arteries and veins blood flow.In two pressure conduction channels fill have pressure conduction liquid, be sealed passage, not with blood vessel and other channel phases
Logical, internal pressure conduction liquid is not easy to plug, it is ensured that the accuracy of data increases the safety and reliability of the device.
In addition, the stiff guide wire and the soft respectively arranged indicating graduation of seal wire endpiece, can indicate the stiff guide wire
With the length of the soft seal wire front end to corresponding position, and according to the length of the foley's tube, and then can determine described soft
The length of the stiff guide wire is stretched out in seal wire front end and the length of the foley's tube is stretched out in the stiff guide wire front end.Certainly refer to
Show that scale can also directly indicate that the length of the stiff guide wire is stretched out in the soft seal wire front end and the stiff guide wire front end is stretched out
The length of the foley's tube.Even if can also accurately be determined through above-mentioned two indicating graduation under conditions of no X-ray
The stiff guide wire, the soft seal wire and the foley's tube enter depth and the position of blood vessel, and then effectively improve the effect of importing
Rate and accuracy.
In some preferred embodiments of the invention, the contrast agent channel and the silk guide passage are total to central axes, described to make
There is tubulose barrier layer to separate between shadow agent channel and the silk guide passage, the silk guide passage is in inside, and the contrast agent is logical
Road cross section is annular in outside；The pressure conduction channel, which is located in the contrast agent channel or invests the sacculus, leads
On the tube wall of pipe (the pressure conduction channel and the contrast agent channel be not independently of each other in the same chamber).
In some preferred embodiments of the invention, the rear end of the stiff guide wire and the soft seal wire is equipped with adjusting knob, just
In pushing and reverse the stiff guide wire and the soft seal wire.
Designed about the lead ring, in some preferred embodiments of the invention, the lead ring relative to the soft seal wire also
It can tilt, tilt angle can be controlled in 0~30 degree, and the benefit designed in this way is, when the lead ring approach axis is wrong
For example front end a part can rotate the soft seal wire 180 degree (also rotatable other angles certainly) when entering bifurcating inlet,
The lead ring tilts after rotating with it to opposite direction, can avoid entering back into bifurcating inlet.
Further, the settable inclined direction phase with the lead ring on the adjusting knob that the rear end of the soft seal wire is equipped with
Corresponding cue mark.When the approach axis of the lead ring is wrong, medical worker reverses the adjusting knob, make the soft seal wire
Rotation, and then the angle of the lead ring of front end can adjust, medical worker is according to the judgement of the cue mark of adjusting knob
The inclined direction of lead ring, so that the operation for changing seal wire direction of advance be made to be easier to carry out.
In some preferred embodiments of the invention, the control handle tilt is arranged, the control handle and the sacculus
The angle that the central axes of conduit are formed is 30 degree~60 degree.The control handle being obliquely installed will not interfere guiding mechanism it is smooth into
Out, operation is easily facilitated.
In some preferred embodiments of the invention, the lead ring is memory material.
In some preferred embodiments of the invention, the front inner wall of the silk guide passage is equipped with to be cooperated with the stiff guide wire
First sealing ring.
In some preferred embodiments of the invention, the leading inside wall of the stiff guide wire is equipped with and the soft seal wire cooperation
Second sealing ring, second sealing ring are elastic passivity structure.
In some preferred embodiments of the invention, the pressure conduction liquid is physiological saline.
In some preferred embodiments of the invention, the measuring cell device is piezoelectric film sensor.Piezoelectric film sensor
The piezoelectric membrane of use is very thin, light, very soft, can be with non-active operation, therefore can be widely applied to medical energy converter, especially
It is when needing to detect subtle signal.When actual assembled, the piezoelectric membrane of piezoelectric film sensor and the pressure can be passed
The elastic membrane of pathway tail end contacts, or even piezoelectric membrane can be made to a part of the elastic membrane, and then can incude
The slight deformation of the elastic membrane is simultaneously converted to electric signal, detects front end blood pressure with this.
The measuring cell device is connect with the foley's tube tail end for plug type or buckle-type, therefore the sacculus is led
Pipe can be disposably, and matched measuring cell device is reusable.
Preferably, two pressure conduction channels rear end can project to the outside of the foley's tube, convenient for pressing with survey
Instrument connection.
The beneficial effects of the present invention are：
1, in first aid aorta and its branch vessel temporary blocking device of the present invention, the contrast agent channel and the pressure
Power conduction pathway is sealing structure, and the sacculus can quickly fill in the environment of enclosed sterile and discharge sacculus, the ball
The measurement of the blood pressure of capsule proximally and distally also can guarantee preferable stability and accuracy, effectively monitors and to improve aorta interim
The validity of closure.
2, the device is structure as a whole, when importing foley's tube to aorta, foley's tube and guiding mechanism through notch or
Point of puncture is sent into simultaneously, and then pushing soft seal wire makes its front end stretch the certain length of stiff guide wire, then is pushed before stiff guide wire makes it
The certain length of foley's tube is stretched out at end, and lead ring can detect guidance in front to be continued to push away after soft seal wire lead ring reaches designated position
It send stiff guide wire that its front end is made to support to or coat lead ring, is further continued for push foley's tube and continues to import along Yarn guide component until referring to
Positioning is set, and whole process controllable with incision contacts is foley's tube always, and compared to conventional first guiding guide wires therein, exchange is led
After pipe and ultrahard guide wire, then to import foley's tube more convenient and quick, also can avoid the secondary opening of notch or increase utensil pollution
Probability.
3, in the guiding mechanism soft or hard seal wire in conjunction with design and the lead ring design, can effectively solve seal wire mistake
The problem of entering bifurcated artery and causing damage.The stiff guide wire and the soft seal wire retractable, when operation the soft seal wire
It can ensure that front end has lower hardness with the lead ring, also not sharp structure, while can avoid entering bifurcated artery.
4, the stiff guide wire and the soft respectively arranged indicating graduation of seal wire endpiece, even if accordingly in not X-ray
Under the conditions of, when operation, can also accurately determine that the stiff guide wire, the soft seal wire and the foley's tube enter the depth of blood vessel
And position, and then effectively improve the efficiency and accuracy of importing.And the design of the bracing wire and the articulated linkage, it can adjust
Save the short diameter of the lead ring, when importing can be adjusted according to the diameter of aorta and its branch vessel at any time, improve and import
Rate.
5, institute can be measured by the design of two pressure conduction channels and its measuring cell device in real time in the pressure measuring mechanism
The blood pressure for stating balloon proximal and distal end facilitates the effect for judging balloon occlusion.And in two pressure conduction channels fill have
Pressure conduction liquid is sealed passage, does not communicate with blood vessel and other channels, internal pressure conduction liquid is not easy to plug, and can be protected
The accuracy for demonstrate,proving data, increases the safety and reliability of the device.
To sum up, even if first aid aorta and its branch vessel temporary blocking device of the invention are in images such as no x-rays
It, also being capable of quick, safe and effective blocking aortic flow under conditions of equipment guidance.
Detailed description of the invention
Fig. 1 is the schematic diagram of first aid aorta of the present invention and its branch vessel temporary blocking device；
Fig. 2 is the cross-sectional view and partial enlargement diagram of foley's tube of the present invention；
Fig. 3 is the schematic diagram of guiding mechanism of the present invention；
Fig. 4 is the schematic diagram of soft seal wire of the invention；
Fig. 5 is the schematic diagram of lead ring of the invention；
Fig. 6 is the inclined schematic diagram of lead ring of the invention.
Appended drawing reference
Foley's tube 1, contrast agent channel 11, sacculus 12 control handle 13, air bag 14, tracheae 15, valve 16, syringe
17；
Guiding mechanism 2, silk guide passage 21, stiff guide wire 22, soft seal wire 23, bracing wire 24, lead ring 25, articulated linkage 26, threading
Shrinkage pool 27, adjusting knob 28/29；
Pressure measuring mechanism 3, pressure conduction channel 31, measuring cell device 32, display 33, elastic membrane 34.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.It should be understood that following embodiment is merely to illustrate this
Invention is not for limiting the scope of the invention.
Embodiment 1
First aid aorta and its branch vessel temporary blocking device are a preferred embodiment of the present invention shown in Fig. 1,
Including：Foley's tube 1, guiding mechanism 2 and pressure measuring mechanism 3.
As shown in Fig. 2, contrast agent channel 11 is equipped in foley's tube 1, filled with contrast agent in contrast agent channel 11.Sacculus is led
1 front end of pipe is equipped with the sacculus 12 around foley's tube 1, and the inner cavity of sacculus 12 is connected to contrast agent channel 11.1 tail end of foley's tube
Equipped with control handle 13, control 13 inner cavity of handle is connected to contrast agent channel 11, is controlled and is equipped with air bag 14, gas in 13 inner cavity of handle
Capsule 14 is circumscribed with tracheae 15, and tracheae 15 is equipped with valve 16, and 15 end of tracheae is connected with syringe 4 and (can also use trigger, wash ear
Ball etc. can be used for being evacuated and the customary furnishings of air-breathing).
As shown in Figures 2 and 3, guiding mechanism 2 includes silk guide passage 21, stiff guide wire 22, soft seal wire 23 and bracing wire 24.Seal wire is logical
Road 21 is set in foley's tube 1, and is total to central axes with contrast agent channel 11, has pipe between contrast agent channel 11 and silk guide passage 21
Shape barrier layer separates, and wherein silk guide passage 21 is in inside, and 11 cross section of contrast agent channel is annular in outside.Stiff guide wire 22
Across silk guide passage 21, soft seal wire 23 passes through stiff guide wire 22.As shown in figure 4, soft 23 front end of seal wire is equipped with the lead ring 25 of ellipse,
The short diameter of lead ring 25 is 0.5cm-3cm, and the short diametrical direction of lead ring 25 is perpendicular to soft seal wire 23.As shown in figure 5, in lead ring 25
Along short diameter be equipped with can doubling articulated linkage 26, be equipped at intervals with several threading shrinkage pools 27 on soft seal wire 23.Bracing wire 24 along
Soft seal wire 23 sequentially passes through several threading shrinkage pools 27, the intermediate hinge point connection of front end and articulated linkage 26, and tail end is pierced by firmly
Seal wire 22.Stiff guide wire 22 and 23 endpiece of soft seal wire further respectively have indicating graduation.Stiff guide wire 22 and 23 tail end of soft seal wire are also distinguished
Equipped with adjusting knob 28/29.
Pressure measuring mechanism 3 includes two pressure conduction channels 31, measuring cell device 32 and display 33；Two pressure conduction channels
31 are set in contrast agent channel 11, filled with pressure conduction liquid, the both ends in two pressure conduction channels 31 in pressure conduction channel 31
It is sealed respectively by elastic membrane 34, the elastic membrane 34 of two pressure conduction channels, 31 front end is located on 1 outer wall of foley's tube and divides
Not Wei Yu sacculus 12 proximally and distally；The elastic membrane of two pressure conduction channels, 31 rear end is located at the tail end of foley's tube 1 simultaneously
It is connect with measuring cell device 32, measuring cell device 32 is connect with display 33.
Preferably, the design about lead ring 25, as shown in fig. 6, lead ring 25 can also tilt relative to soft seal wire 23,
Tilt angle can be controlled in 0~30 degree, and the benefit designed in this way is, when the wrong such as front end a part of 25 approach axis of lead ring into
When having entered bifurcating inlet, soft seal wire 23 can be rotated with 180 degree (also rotatable other angles certainly), lead ring 25 rotates with it backward
Opposite direction inclination, can avoid entering back into bifurcating inlet.Preferably, the adjusting knob 29 of the rear end of soft seal wire 23, adjusting knob 29
It is equipped with the corresponding cue mark of 25 inclined direction of lead ring.When the approach axis of lead ring 25 is wrong, medical worker reverses and adjusts
Knob 29 rotates soft seal wire 23, and then the direction of front end lead ring 25 can adjust, and medical worker is according to the finger of adjusting knob 29
Show the angle and direction of marker for judgment lead ring 25, so that the operation for changing seal wire direction of advance be made to be easier to carry out.
Preferably, control handle 13 is obliquely installed, the angle that the central axes of control handle 13 and foley's tube 1 are formed is 30
~60 degree of degree.The control handle 13 being obliquely installed will not interfere the smooth disengaging of guiding mechanism 2, easily facilitate operation.
Preferably, lead ring 25 is memory material.No external force squeezes or can restore elliptical shape when pulling.
Preferably, the front inner wall of silk guide passage 21 is equipped with the first sealing ring cooperated with stiff guide wire 22.
Equally preferably, the leading inside wall of stiff guide wire 22 is equipped with the second sealing ring cooperated with soft seal wire 23, second is close
Seal ring is elastic passivity structure, avoids cutting soft seal wire 23.
Preferably, pressure conduction liquid is physiological saline.
Preferably, measuring cell device 32 is piezoelectric film sensor.Two pressure conduction channels, 31 rear end can project to sacculus
The outside of conduit 1, convenient for being connect with piezoelectric film sensor.
In above-described embodiment, foley's tube 1 is used to for the sacculus 12 of front end to be sent into aorta designated position, while air bag 14
Setting be then for by the contrast agent in contrast agent channel 11 from control handle 13 from be extruded into implanting saccule at front end 12, make sacculus 12
The full effect for realizing temporary plugging aorta.Sacculus 12 is full and shrinks that detailed process is as follows, and Open valve 16 uses note
Emitter 17 is inflated air bag 14, and contrast agent is promoted to flow into sacculus 12 after air bag 14 is full, and sacculus 12 is full, in the blood vessel may be used
Blocking blood flow；When air bag 14 is by the exhaust of the equipment such as trigger, air bag 14 reduces, and causes negative pressure state in control handle 13, makes
Shadow agent passes back into control handle 13, and sacculus 12 is packed up, restoration of blood flow.
Guiding mechanism 2 is then for guiding and supporting balloon conduit 1.(ball is referred mainly to compared to existing blood vessel plugging device
Ductus bursae 1) in seal wire, the main distinction of guiding mechanism 2 of the present invention includes but is not limited to：The first, the device is structure as a whole,
Guiding mechanism 2 is in foley's tube 1, when importing foley's tube 1 to aorta, foley's tube 1 and guiding mechanism 2 through notch or
Point of puncture is sent into simultaneously, and then pushing soft seal wire 23 makes its front end stretch out the certain length of stiff guide wire 22, then pushes stiff guide wire 22
Its front end is set to stretch out the certain length of foley's tube 1, lead ring 25 can detect guidance in front, after reaching designated position, continue to push away
It send stiff guide wire 22 to support its front end to lead ring 25, is further continued for push foley's tube 1 and continues to import along Yarn guide component until specified
Position, whole process controllable with incision contacts is foley's tube 1 always, and compared to conventional first guiding guide wires therein, exchange is led
After pipe and ultrahard guide wire 22, then to import foley's tube 1 more convenient and quick, also can avoid the secondary opening of notch.The second, vectoring aircraft
Structure 2 is combined by stiff guide wire 22 and soft seal wire 23, wherein 23 material of soft seal wire is relatively soft, the lead ring 25 of its front end setting when importing
There is no pointed structures, be located at the front end of whole device, can effectively reduce the risk of damage blood vessel, and lead ring as probe
25 short diameter is limited to 0.5cm-3cm, when reaching the intersection of bifurcated artery and aorta, divides since the short diameter is greater than
The internal diameter of branch artery, therefore lead ring 25 will not enter bifurcated artery, or be stuck in bifurcated artery entrance and generate certain resistance, make
Obtaining medical worker can judge whether to be strayed into bifurcated artery according to resistance feedback, to play the role of preventing from being strayed into bifurcated artery
And it causes to damage.And 22 material of stiff guide wire of Yarn guide component is relatively hard, and the work of guidance and supporting balloon conduit 1 may be implemented
With, while can guarantee that soft seal wire 23 in the smooth degree wherein walked, also can guarantee that its own is walked smooth in foley's tube 1
Degree.The setting of articulated linkage 26 and bracing wire 24 in third, lead ring 25, the short diameter length that lead ring 25 can be effectively controlled are (wide
Degree), specifically when control, bracing wire 24 only need to be unclamped or tense, when tensing bracing wire 24, after the intermediate position stress of articulated linkage 26
Doubling, and then draw close 25 both sides of lead ring, short diameter reduce, and when unclamping bracing wire 24, lead ring 25 due to the elastic force of itself can from
By opening, so that can be adjusted at any time according to the diameter of aorta and its branch vessel when importing, raising is imported for the design
Rate.
By the design of two pressure conduction channels 31 and its measuring cell device 32 in pressure measuring mechanism 3, ball can be measured in real time
The blood pressure of capsule 12 proximally and distally helps to judge the effect that sacculus 12 blocks, i.e., whether has wholly or largely blocked master
Artery blood flow.In two pressure conduction channels 31 fill have pressure conduction liquid, be sealed passage, not with blood vessel and other channels
It communicates, internal pressure conduction liquid is not easy to plug, it is ensured that the accuracy of data increases the safety and reliability of the device.
In addition, stiff guide wire 22 and the respectively arranged indicating graduation of 23 endpiece of soft seal wire, it can indicate stiff guide wire 22 and soft lead
23 front ends of silk are to the length of corresponding position, and according to the length of foley's tube 1, and then it is hard to determine that soft 23 front end of seal wire is stretched out
The length of foley's tube 1 is stretched out in the length of seal wire 22 and 22 front end of stiff guide wire.Certain indicating graduation can also directly indicate soft
The length of stiff guide wire 22 and the length of 22 front end of stiff guide wire stretching foley's tube 1 are stretched out in 23 front end of seal wire.By above-mentioned two
Even if indicating graduation under conditions of no X-ray, can also accurately determine stiff guide wire 22, soft seal wire 23 and foley's tube 1 into
Enter depth and the position of blood vessel, and then effectively improves the efficiency and accuracy of importing.
The preferred embodiment of the present invention has been described in detail above, but the invention is not limited to implement
Example, those skilled in the art are without prejudice to can also make various equivalent modifications under precondition for innovation of the present invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of first aid aorta and its branch vessel temporary blocking device, which is characterized in that it includes foley's tube, guidance
Mechanism and pressure measuring mechanism；
Contrast agent channel is equipped in the foley's tube, filled with contrast agent, the foley's tube front end in the contrast agent channel
Equipped with the sacculus around the foley's tube, the inner cavity of the sacculus is connected to the contrast agent channel, the foley's tube tail
End is equipped with control handle, and the inner cavity of the control handle is connected to the contrast agent channel, sets in the inner cavity of the control handle
There is air bag, the air bag is circumscribed with tracheae, and the tracheae is equipped with valve；
The guiding mechanism includes silk guide passage, stiff guide wire, soft seal wire and bracing wire；The silk guide passage is set to the foley's tube
In, the stiff guide wire passes through the silk guide passage；The soft seal wire passes through the stiff guide wire, and the soft seal wire front end is equipped with ellipse
The short diameter of the lead ring of shape, the lead ring is 0.5cm-3cm, and the short diametrical direction of the lead ring is perpendicular to the soft seal wire, institute
State in lead ring along short diameter be equipped with can doubling articulated linkage, be equipped at intervals with several threading shrinkage pools on the soft seal wire；It is described
Bracing wire sequentially passes through several threading shrinkage pools, the intermediate hinge point company of front end and the articulated linkage along the soft seal wire
It connects, tail end is pierced by the stiff guide wire；The stiff guide wire and the soft seal wire endpiece are respectively equipped with indicating graduation；
The pressure measuring mechanism includes two pressure conduction channels, measuring cell device and display；Two pressure conduction channels are set
In the foley's tube, filled with pressure conduction liquid, the both ends in two pressure conduction channels in the pressure conduction channel
It is sealed respectively by elastic membrane, the elastic membrane of two pressure conduction Channel front ends is located on the foley's tube outer wall and divides
Not Wei Yu the sacculus proximally and distally；The elastic membrane of two pressure conduction channels rear end is located at the foley's tube
Tail end is simultaneously connect with the measuring cell device, and the measuring cell device is connect with the display.
2. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that described to make
Shadow agent channel and the silk guide passage are total to central axes, have between the contrast agent channel and the silk guide passage tubulose barrier layer every
It opens, the silk guide passage is in inside, and the contrast agent channel cross-section is annular in outside；The pressure conduction channel position
In the contrast agent channel or invest the foley's tube tube wall on.
3. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that the gas
Pipe end is connected with for inflating and the trigger of air-breathing, syringe or ear washing bulb.
4. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that described hard
The rear end of seal wire and the soft seal wire is equipped with adjusting knob.
5. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that the control
The angle that the central axes of handle tilt setting processed, the control handle and the foley's tube are formed is 30 degree~60 degree.
6. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that described to lead
Ring is memory material.
7. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that described to lead
The front inner wall in silk channel is equipped with the first sealing ring cooperated with the stiff guide wire.
8. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that described hard
The leading inside wall of seal wire is equipped with the second sealing ring with the soft seal wire cooperation, and second sealing ring is elastic passivity knot
Structure.
9. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that the pressure
Power conduction liquid is physiological saline.
10. first aid aorta as described in claim 1 and its branch vessel temporary blocking device, which is characterized in that described
Measuring cell device is piezoelectric film sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688283.1A CN108836419B (en) | 2018-06-28 | 2018-06-28 | Temporary plugging device for first-aid aorta and branch blood vessel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688283.1A CN108836419B (en) | 2018-06-28 | 2018-06-28 | Temporary plugging device for first-aid aorta and branch blood vessel thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108836419A true CN108836419A (en) | 2018-11-20 |
| CN108836419B CN108836419B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688283.1A Active CN108836419B (en) | 2018-06-28 | 2018-06-28 | Temporary plugging device for first-aid aorta and branch blood vessel thereof |
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| Country | Link |
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| CN (1) | CN108836419B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110037754A (en) * | 2019-05-20 | 2019-07-23 | 中国医学科学院北京协和医院 | Endovascular biopsy device and biopsy syste |
| CN111803171A (en) * | 2020-06-30 | 2020-10-23 | 重庆大学附属肿瘤医院 | Vascular surgery is with plugging device convenient to operation |
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| CN2275460Y (en) * | 1996-03-15 | 1998-03-04 | 钟汉权 | Three-cavity single saccule valve dilating catheter |
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| CN111803171A (en) * | 2020-06-30 | 2020-10-23 | 重庆大学附属肿瘤医院 | Vascular surgery is with plugging device convenient to operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108836419B (en) | 2023-08-29 |
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