CN104208799A - Common carotid artery cannula for adjusting and distributing blood perfusion flow and application - Google Patents
Common carotid artery cannula for adjusting and distributing blood perfusion flow and application Download PDFInfo
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- CN104208799A CN104208799A CN201410522554.8A CN201410522554A CN104208799A CN 104208799 A CN104208799 A CN 104208799A CN 201410522554 A CN201410522554 A CN 201410522554A CN 104208799 A CN104208799 A CN 104208799A
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- intubate
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Abstract
The invention relates to a common carotid artery cannula for adjusting and distributing blood perfusion flow and application. The common carotid artery cannula comprises a cannula body at a blood supply end and is characterized by further comprising a T-shaped or Y-shaped structured extracorporeal circulation perfusion plastic tube with a proximal end tube and a distal end tube for dividing flow and pressure, wherein the extracorporeal circulation perfusion plastic tube is communicated with the cannula body and formed on an overall structure. An included angle is formed between the proximal end tube of the Y-shaped structured perfusion tube and the cannula body at the blood supply end to distribute or adjust the blood perfusion flow. The common carotid artery cannula is applied to whole-body arterial perfusion and deep hypothermic circulatory arrest selective cerebral perfusion during extracorporeal circulation of a common carotid artery, and overcomes the shortcomings of an existing artery cannula and method. Carotid artery occlusion time is short during intubation and extubation, and cerebral blood supply is almost not affected, so that cerebral complications and the pain of patients are decreased. Obviously, the common carotid artery cannula is convenient to operate, surgical time is greatly shortened, so that cerebral ischemic time is shortened, the success rate of an aortic arch surgery is increased, and the common carotid artery cannula has a wide clinical application value.
Description
Technical field.
The present invention relates to medical instruments field, be specifically related to a kind of common carotid artery intubate and application that regulates and distribute perfusion blood flow.
Background technology
Prior art is normally applied a length 20cm straight cutting pipe, and its one end connects heart-lung machine's arterial perfusion pipe, and the other end inserts right axillary artery, because axillary artery position, right side is darker, appear and difficult intubation, very easy damaged axillary artery, subclavian vein, axillary nerves etc., operating difficulty is higher.And patient's intra-operative is due to intubate subtend proximal part, is positioned at the right upper extremity of distal end always in ischemic state; Separately there is application diameter 8mm artificial blood vessel, one end connects heart-lung machine's arterial perfusion pipe, the other end must be sutured in right axillary artery or right common carotid artery, and sew up, artificial blood vessel needs 10 minutes or the longer time, may cause right carotid ischemia during this period of time, thereby make part patient cause irreversibility ischemic brain injury.The shortcoming of sewing also can cause anastomotic leakage blood during heparinization; In addition, the arterial perfusion of different parts must be used separately proprietary straight cutting pipe or artificial blood vessel, can not be general, and in above-mentioned application, a straight cutting pipe of prior art cannot or be difficult to reach and carries out as required that blood flow distributes and pressure adjusting.Obviously simple to operate, perfusion is reliable, reduces as far as possible ischemic time, and prevents other organ ischemias, reduces medical apparatus and instruments and the method for the generation of brain complication and the success rate of raising aortic arch operation, is that doctor and patient is all thirsted for overcritical.
Summary of the invention
The object of the present invention is to provide a kind of common carotid artery intubate and application that regulates and distribute perfusion blood flow, to overcome all kinds of drawback and the deficiency of prior art.
Another object of the present invention is to provide a kind ofly can pour into the general arterial cannulation that blood flow distributes and regulates in blood vessel as required, to avoid suture operation, shorten operating time and reduce as far as possible ischemic time etc. as far as possible.
The present invention is on the basis of existing intubate, specifically using on a straight cutting pipe of the existing intubate main body as blood supply, set up again two and have shunting, the branch stub of dividing potential drop effect, the medical perfusion plastic tube that is T-shaped structure on population structure, or the medical perfusion plastic tube of the extracorporeal circulation that is y-type structure, reach the shunting of perfusion blood, dividing potential drop, to control or to regulate hemoperfusion flow, and simple while reaching intubate, rapidly, during guaranteeing extracorporeal circulation, whole body is without ischemic area, significantly reduce ischemic time simultaneously, reduce generation of brain complication etc.
Therefore, the most basic technical scheme of the present invention: the intubate main body that comprises blood supply end, it is characterized in that it also comprises two branched pipe-proximal part pipes that have shunting, dividing potential drop effect and the distal end pipe being connected with intubate main body, be formed on the medical perfusion plastic tube of extracorporeal circulation that is T-shaped or y-type structure on population structure, and the length of above-mentioned proximal part pipe is equal to or slightly greater than the length of distal end pipe.
The above-mentioned proximal part pipe communicating with intubate main body and distal end pipe three are in same plane, and proximal part pipe and distal end pipe be at same axis, and identical with the caliber of intubate main body, or are less than the caliber of intubate main body.
Above-mentioned for the intubate main body described in T-shaped structure perfusion plastic tube perpendicular to proximal part pipe and distal end pipe, or be the angle of 120-150 ° for the y-type structure perfusion proximal part pipe of plastic tube and the intubate main body of blood supply end, the intubate main body of distal end pipe and blood supply end is 30-60 ° of angle, to regulate or to distribute perfusion blood flow.
The above-mentioned y-type structure perfusion proximal part pipe of plastic tube and the optimum angle of the intubate main body of blood supply end are 135 °.
Consider and be convenient to surgical cannula, the termination of above-mentioned proximal part pipe and distal end pipe is all 45 ° of angles.
Consider circular cone or the spherical surgical cannula that is more conducive to, the termination of above-mentioned proximal part pipe and distal end pipe is have 3 side openings at least spherical, and each side opening gross area is greater than the maximum open area of intubate main body.So also increased the hemoperfusion flow that enters proximal part pipe and distal end pipe.
Consider reliable fixedly intubate, and reduce as far as possible the length of vessel of surgical incision, the proximal part of above-mentioned branched pipe, distal end length are respectively 1.5cm and 1.0cm.
The invention described above can be applicable to right carotid and pours into systemic arterial during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.
Obviously the present invention not only can meet during extracorporeal circulation total body perfusion and stop cycle period diencephalon perfusion, reaches distribution and the adjusting of perfusion blood flow, and in vitro cycle period without perfusion ischemic area.And simple to operate, highly versatile, shortens operating time greatly, has reduced cerebrum ischemia or limb ischemia time, overcomes the drawback of existing arterial cannulation and method.135 ° of intubate angles, are difficult for rising perfusion pressure, leakiness blood not, Blood damage is light, easy to operate, fixing easily, reliable, be difficult for displacement.When intubate and tube drawing the carotid occlusion time short, be 1-2 minute, on cerebral blood supply almost without impact.Thereby reduced the generation of brain complication and patient's misery, improved the success rate of aortic arch operation.Especially right common carotid artery table is shallow, and easily location, appears good, and operating difficulty is low.
Accompanying drawing explanation
Fig. 1. the schematic diagram of one of basic structure of the present invention.
Fig. 2. one of basic structure that has angle of the present invention schematic diagram.
Fig. 3. Y type of the present invention has the structural representation (angle is Q) of side opening.
Fig. 4. one of basic structure of Y type of the present invention schematic diagram (angle is Q).
Fig. 5. arterial blood when the present invention inserts the service condition of right common carotid artery is for schematic diagram.
Wherein, 1. intubate main body, 2. proximal part pipe, 3. distal end pipe, 4. side opening, 5. angle, 6. right common carotid artery, 7.Willis ring, 8. left common carotid artery, 9. left subclavian artery, 10. aortic arch, 11. artery occlusion places, 12. right axillary arteries.Dashed circle in Fig. 5 is position signal place that inserts of the present invention.
The specific embodiment
As Fig. 1,3,4, the present invention includes the intubate main body 1 of blood supply end, it is characterized in that it also comprises two branched pipe-proximal part pipes 2 that have shunting, dividing potential drop effect and the distal end pipe 3 being connected with intubate main body 1, be formed on the perfusion plastic tube for medical extracorporeal circulation that is T-shaped or y-type structure on population structure, and the length of above-mentioned proximal part pipe 2 is greater than the length of distal end pipe 3.Conventionally the length of intubate main body 1 is 15--20cm.
While considering operation, otch is enough short, and the stability of intubate, and the length of above-mentioned proximal part pipe 2 and distal end pipe 3 is respectively 1.5cm and 1.0cm left and right.Be technical require above-mentioned proximal part pipe 2 and distal end pipe 3 length guarantee not leak under the prerequisite of blood more short better, thereby make arteriotomy the shortest, prevent that myometrial suture artery is narrow.
This length is defined as the distance of angle 5 upper limbs of thoughtful end pipe from intubate main body 1.
The above-mentioned proximal part pipe 2 communicating with intubate main body 1 and distal end pipe 3, three is in same plane, proximal part pipe 2 and distal end pipe 3 be at same axis, and identical with the caliber of intubate main body 1, or be less than the caliber of intubate main body 1.
In order to meet the perfusion needs of the cardiopulmonary bypass in patients of different weight, the internal diameter of above-mentioned proximal part pipe 2, distal end pipe 3 and intubate main body 1 is elected 6-8mm as.
As Fig. 1-2, it is characterized in that for the intubate main body 1 described in T-shaped structure perfusion plastic tube perpendicular to proximal part pipe 2 and distal end pipe 3, or as Fig. 3-4, for the y-type structure perfusion proximal part pipe 2 of plastic tube and the intubate main body 1 of blood supply end, be the angle of 120-150 °, the intubate main body 1 of distal end pipe 3 and blood supply end is 30-60 ° of angle, to reaching good distribution and the adjusting of perfusion blood flow.
The above-mentioned optimum angle for the y-type structure perfusion proximal part pipe 2 of plastic tube and the intubate main body 1 of blood supply end is 135 °, this angle had both guaranteed the irrigation flow of proximal part pipe 2, distal end pipe 3, the pump pressure that can not raise again, thus make Blood damage light, intubate place is leakiness blood not, and easy to operate.
As Fig. 2,4, the termination of above-mentioned proximal part pipe 2 and distal end pipe 3 is the angle 5 of 45 ° so that when operation intubate.
As Fig. 3, consider circular cone or the spherical surgical cannula that is more conducive to, the termination of above-mentioned proximal part pipe 2 and distal end pipe 3 is have 3 side openings at least spherical, and each side opening gross area is equal to, or greater than the maximum open area of intubate main body 1.So also provide from side opening and regulated the hemoperfusion flow that enters proximal part pipe 2 and distal end pipe 3.
The invention described above can be applicable to right carotid and pours into systemic arterial during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.Be applied to right carotid and pour into systemic arterial during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.Apply when of the present invention, compare with sewing up artificial blood vessel's method, do not need to sew up, reduce tremulous pulse Ischemia Time, especially shorten right carotid artery blocking-up Ischemia Time.Apply when of the present invention, compare with existing superior vena cava retroperfusion, perfusion pressure is easy to control, the cerebral hemorrhage of having avoided non-physiology perfusion to cause, and brain is protected bad consequence.
As Fig. 5, be applied to right carotid and reach systemic arterial perfusion during extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.During intubate, two satinsky's clamp blocking-up right common carotid artery, longitudinal incision right common carotid artery 2cm between two pincers, first insert proximal part 2, then import distal end 3, tighten up respectively blocking-up band fixing, after aerofluxus, 4 connect aortic perfusion pipe, put proper angle and fix, now as extracorporeal circulation arterial perfusion pipe.The carotid occlusion time is only 1-2 minute, is significantly shorter than the artificial blood vessel's time of sewing up.Can not affect brain function.
When Deep Hypothermia Circulatory Arrest row aorta bow 3 large branches coincide, blocking-up Y tube proximal part common carotid artery, through this pipe low discharge selective cerebral perfusion.
When pulling up intubate, blocking-up Y tube is near, the blood vessel at distal end place, extract Y tube, 6-0 polypropylene (Prolene) line is sewed up after one deck continuously, aerofluxus open state block pincers, recover the confession of right common carotid artery blood, only need 2-3 minute, 6-0 polypropylene (Prolene) is sewn reinforcement one deck continuously, and 3-0 absorbable thread is sewed up the incision.
Embodiment 1
As Fig. 1, simple structure of the present invention comprises the intubate main body 1 of blood supply end, it is characterized in that it also comprises that two of being connected with intubate main body 1 have two branch stub-proximal part pipes 2 and the distal end pipe 3 of shunting, dividing potential drop effect, are formed on the medical perfusion plastic tube that is T-shaped structure on population structure.Its internal diameter is all taken as 8mm, and the termination of proximal part pipe 2 and distal end pipe 3 is the angle 5 of 45 ° and is beneficial to intubate.
Conventionally get intubate principal length 20cm, proximal part pipe 2 and distal end pipe 3 are respectively 1.5cm and 1.0cm.
Embodiment 2
As Fig. 4, the present invention includes the intubate main body 1 of blood supply end, it is characterized in that it also comprises proximal part pipe 2 and the distal end pipe 3 communicating with intubate main body 1, three is the medical plastic pipe of y-type structure in same plane, and the intubate main body 1 of proximal part pipe 2 and blood supply end is 120 ° of angles, and Q is 60 ° of angles, to lower resistance of blood flow, reduce pump pressure, thereby guarantee irrigation flow, alleviate Blood damage.
Embodiment 3
As Fig. 3, the present invention includes the intubate main body 1 of blood supply end, it is characterized in that it also comprises the shunting that has being connected with intubate main body 1, two branched pipe-proximal part pipes 2 of dividing potential drop effect and distal end pipe 3, be formed on the perfusion plastic tube for medical extracorporeal circulation that is T-shaped or y-type structure on population structure, and the above-mentioned perfusion plastic tube that no matter is T-shaped or y-type structure on population structure, its proximal part pipe 2 and distal end pipe 3 termination can be have side opening spherical, get the side opening of 6 symmetry arrangement, and guarantee that each side opening gross area is greater than the maximum open area of intubate main body 1.
Claims (8)
1. one kind regulates and distributes the common carotid artery intubate of pouring into blood flow, the intubate main body (1) that comprises blood supply end, it is characterized in that it also comprises two the branched pipe-proximal part pipes (2) that have shunting, dividing potential drop effect and the distal end pipe (3) being connected with intubate main body (1), be formed on the perfusion plastic tube for medical extracorporeal circulation that is type or y-type structure on population structure, and the length of above-mentioned proximal part pipe (2) or be equal to or slightly greater than the length of distal end pipe (3).
2. common carotid artery intubate as claimed in claim 1, it is characterized in that the above-mentioned proximal part pipe (2) communicating with intubate main body (1) and distal end pipe (3) three are in same plane, proximal part pipe (2) and distal end pipe (3) are at same axis, and identical with the caliber of intubate main body (1), or be less than the caliber of intubate main body (1).
3. common carotid artery intubate as claimed in claim 1 or 2, it is characterized in that for the intubate main body (1) described in T-shaped structure perfusion plastic tube perpendicular to proximal part pipe (2) and distal end pipe (3), or be 120-150 ° of angle for the y-type structure perfusion proximal part pipe (2) of plastic tube and the intubate main body (1) of blood supply end, the intubate main body (1) of distal end pipe (3) and blood supply end is 30-60 ° of angle, to regulate or to distribute perfusion blood flow.
4. common carotid artery intubate as claimed in claim 3, is characterized in that the described optimum angle for the y-type structure perfusion proximal part pipe (2) of plastic tube and the intubate main body (1) of blood supply end is 135 °.
5. common carotid artery intubate as claimed in claim 1 or 2, is characterized in that the length of above-mentioned proximal part pipe (2) and distal end pipe (3) is respectively 1.5cm and 1.0cm, and its termination is the angle (5) of 45 ° and is beneficial to intubate.
6. common carotid artery intubate as claimed in claim 1 or 2, the termination that it is characterized in that above-mentioned proximal part pipe (2) and distal end pipe (3) is have 3 side openings (4) at least spherical, and each side opening (4) gross area is greater than the maximum open area of intubate main body (1), to pour into blood flow by the size allotment of side opening (4).
7. common carotid artery intubate as claimed in claim 1 or 2, is characterized in that the internal diameter of proximal part pipe (2), distal end pipe (3) and intubate main body (1) is 6-8mm, to meet the perfusion needs of different weight patient body outer circulation.
8. the common carotid artery intubate described in claim 1 or 2, it is characterized in that being applied to right carotid and pour into systemic arterial during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion is to avoid ischemia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410522554.8A CN104208799A (en) | 2014-10-02 | 2014-10-02 | Common carotid artery cannula for adjusting and distributing blood perfusion flow and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410522554.8A CN104208799A (en) | 2014-10-02 | 2014-10-02 | Common carotid artery cannula for adjusting and distributing blood perfusion flow and application |
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| CN104208799A true CN104208799A (en) | 2014-12-17 |
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| CN201410522554.8A Pending CN104208799A (en) | 2014-10-02 | 2014-10-02 | Common carotid artery cannula for adjusting and distributing blood perfusion flow and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602627A (en) * | 2016-03-16 | 2016-05-25 | 华东理工大学 | Flow distribution device |
| CN111012409A (en) * | 2019-12-03 | 2020-04-17 | 王超 | Auxiliary tee joint for reconstruction of blood transportation of frontal branch of superficial temporal artery and cerebral artery cortex and use method |
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| US4114618A (en) * | 1976-12-15 | 1978-09-19 | Vargas Jorge J | Catheter assembly |
| US4822341A (en) * | 1987-11-20 | 1989-04-18 | Impra, Inc. | Vascular access fistula |
| US5807356A (en) * | 1994-01-18 | 1998-09-15 | Vasca, Inc. | Catheter with valve |
| CN201026340Y (en) * | 2006-11-09 | 2008-02-27 | 王京玉 | Arterial cannula |
| CN201410215Y (en) * | 2009-03-27 | 2010-02-24 | 王光辉 | T-shaped intracerebral hematoma drain tube |
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2014
- 2014-10-02 CN CN201410522554.8A patent/CN104208799A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114618A (en) * | 1976-12-15 | 1978-09-19 | Vargas Jorge J | Catheter assembly |
| US4822341A (en) * | 1987-11-20 | 1989-04-18 | Impra, Inc. | Vascular access fistula |
| US5807356A (en) * | 1994-01-18 | 1998-09-15 | Vasca, Inc. | Catheter with valve |
| CN201026340Y (en) * | 2006-11-09 | 2008-02-27 | 王京玉 | Arterial cannula |
| CN201410215Y (en) * | 2009-03-27 | 2010-02-24 | 王光辉 | T-shaped intracerebral hematoma drain tube |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602627A (en) * | 2016-03-16 | 2016-05-25 | 华东理工大学 | Flow distribution device |
| CN105602627B (en) * | 2016-03-16 | 2018-10-02 | 华东理工大学 | Flow distribution device |
| CN111012409A (en) * | 2019-12-03 | 2020-04-17 | 王超 | Auxiliary tee joint for reconstruction of blood transportation of frontal branch of superficial temporal artery and cerebral artery cortex and use method |
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Application publication date: 20141217 |
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