CN104208798A - Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof - Google Patents
Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof Download PDFInfo
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- CN104208798A CN104208798A CN201410522552.9A CN201410522552A CN104208798A CN 104208798 A CN104208798 A CN 104208798A CN 201410522552 A CN201410522552 A CN 201410522552A CN 104208798 A CN104208798 A CN 104208798A
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Abstract
The invention relates to an axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof. The axillary artery cannula comprises a cannula body with a blood supplying end, and is characterized by also comprising a proximal artery tube and a distal artery tube which communicate with the cannula body and play roles in shunting and sharing pressure, thus forming an extracorporeal circulation plastic perfusion tube of which the whole structure is T-shaped or Y-shaped, wherein an included angle is reserved between the proximal artery tube of the perfusion tube with Y-shaped structure and the cannula body of the blood supplying end to distribute and adjust blood flow volume of perfusion. The axillary artery cannula is applied to a right axillary artery to achieve systemic arterial perfusion during the extracorporeal circulation period and selective cerebral perfusion during deep hypothermic circulatory arrest, and meanwhile can avoid right upper limb ischemia. Obviously, the axillary artery cannula can meet systemic arterial perfusion during the extracorporeal circulation period and cerebral perfusion during circulatory arrest, can distribute and adjust perfusion blood flow, and achieves no perfusion ischemic areas; and the axillary artery cannula is simple and convenient to operate, easy and reliable to fix, not prone to rising perfusion pressure and causing blood leakage, less in blood damage, greatly shortened in operation time and reduced in right upper limb ischemic time.
Description
Technical field.
The present invention relates to medical instruments field, be specifically related to axillary artery intubate and application without perfusion ischemic area during a kind of extracorporeal circulation.
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 during this period of time right carotid ischemia, 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 use 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 blood flow and distribute 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 axillary artery intubate and application thereof, 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 axillary artery intubate that blood flow distributes and regulates in blood vessel as required, to avoid suture operation, shorten operating time and to reduce right upper extremity Ischemia 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 branch stubs that have shunting, dividing potential drop effect, on population structure, be the medical perfusion plastic tube of T-shaped structure, or the medical perfusion plastic tube of the extracorporeal circulation that is y-type structure, reach shunting, the dividing potential drop of perfusion blood, to control or to regulate hemoperfusion flow, and simple while reaching intubate, rapidly, during ensureing extracorporeal circulation, whole body is without ischemic area, significantly reduce Ischemia Time simultaneously, reduce generation of 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 control or to regulate 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 increase the hemoperfusion flow that enters proximal part pipe and distal end pipe
Consider reliable fixing intubate, and reduce as far as possible the length of vessel of surgical incision, proximal part, the distal end length of above-mentioned branched pipe are respectively 1.5cm and 1.0cm.
The invention described above is applied to right side axillary artery and reaches systemic arterial perfusion during extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, can avoid right upper extremity ischemia simultaneously.
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 operation, be difficult for rising perfusion pressure, not leakiness blood, Blood damage is light, fixing easy, reliable, difficult displacement.Greatly shorten operating time, reduced right upper extremity Ischemia Time, overcome the drawback of existing arterial cannulation and method.
Brief description of the drawings
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 axillary 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 the position signal that inserts of the present invention.
Detailed description of the invention
As Fig. 1,2,3,4, 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 medical extracorporeal circulation perfusion plastic tube 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.
The blood vessel of cutting while considering operation 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.This length is defined as the distance of angle 5 upper limbs of thoughtful end pipe from intubate main body 1.Be that technical above-mentioned proximal part pipe 2 and distal end pipe 3 length of requiring are more short better under the prerequisite that ensures not leak blood, thereby make arteriotomy the shortest, narrow to prevent myometrial suture artery.
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 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, 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, be the angle of 120-150 ° 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.
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 ensured 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 side axillary artery and reaches systemic arterial perfusion during extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, can avoid right upper extremity ischemia simultaneously.Apply time of the present invention, this intubate is applied to right side axillary artery, both can ensure total body perfusion during extracorporeal circulation, take into account again right upper extremity perfusion, overcome the right upper extremity ischemia that existing axillary artery intubate causes.Application the present invention compared with sewing up artificial blood vessel method time, does not need to sew up, and reduces tremulous pulse Ischemia Time.The present invention is compared with existing superior vena cava retroperfusion time in application, and perfusion pressure is easy to control, and avoided non-physiology to pour into the cerebral hemorrhage that may cause, and brain is protected bad consequence.
As Fig. 5, be applied to right side axillary artery and reach systemic arterial perfusion during extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, can avoid right upper extremity ischemia simultaneously; When intubate, with two satinsky's clamp blocking-up axillary artery, longitudinal incision tremulous pulse 2cm between two pincers, first insert proximal part 2, then import distal end 3, tighten up respectively blocking-up band fixing, after aerofluxus, connect aortic perfusion pipe, put proper angle and fix, now as extracorporeal circulation arterial perfusion pipe.The right upper extremity ischemia of avoiding existing intubate to cause.In the time that Deep Hypothermia Circulatory Arrest row aorta bow 3 large branches coincide, blocking-up Y tube distal end tremulous pulse and innominate artery, through this pipe low discharge selective cerebral perfusion.
While pulling up intubate, first block that Y tube is near, distal end, extract Y tube, use 6-0 polypropylene (Prolene) line to sew up continuously after one deck, aerofluxus open state block pincers, recover the confession of right axillary artery blood, need 2-3 minute, the continuous sewn reinforcement one deck of 6-0 polypropylene (Prolene) line, 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,, be 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 135 ° of angles, and Q is 45 ° of angles, to lower resistance of blood flow, reduce pump pressure, thereby ensure 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 medical extracorporeal circulation perfusion plastic tube 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 ensure that each side opening gross area is greater than the maximum open area of intubate main body 1.
Claims (8)
1. the axillary artery intubate of nothing perfusion ischemic area during an extracorporeal circulation, comprise the intubate main body (1) of 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 medical extracorporeal circulation perfusion plastic tube 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. axillary 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. axillary 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 control or to regulate perfusion blood flow.
4. axillary 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. arterial cannulation 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. axillary 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. axillary 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 axillary artery intubate described in claim 1 or 2, is characterized in that being applied to right side axillary artery and reaches systemic arterial perfusion during extracorporeal circulation, avoids right upper extremity ischemia and Deep Hypothermia Circulatory Arrest selective cerebral perfusion simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410522552.9A CN104208798A (en) | 2014-10-02 | 2014-10-02 | Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410522552.9A CN104208798A (en) | 2014-10-02 | 2014-10-02 | Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof |
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| CN104208798A true CN104208798A (en) | 2014-12-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114618A (en) * | 1976-12-15 | 1978-09-19 | Vargas Jorge J | Catheter assembly |
| US5807356A (en) * | 1994-01-18 | 1998-09-15 | Vasca, Inc. | Catheter with valve |
| US6123682A (en) * | 1996-08-13 | 2000-09-26 | Heartstent Corporation | Closed chest coronary bypass |
| US20050060026A1 (en) * | 2003-09-17 | 2005-03-17 | Ricardo Gamboa | Fenestrated asymmetric intracardiac device for the completion of total cavopulmonary anastomosis through cardiac catheterization |
| 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 |
-
2014
- 2014-10-02 CN CN201410522552.9A patent/CN104208798A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114618A (en) * | 1976-12-15 | 1978-09-19 | Vargas Jorge J | Catheter assembly |
| US5807356A (en) * | 1994-01-18 | 1998-09-15 | Vasca, Inc. | Catheter with valve |
| US6123682A (en) * | 1996-08-13 | 2000-09-26 | Heartstent Corporation | Closed chest coronary bypass |
| US20050060026A1 (en) * | 2003-09-17 | 2005-03-17 | Ricardo Gamboa | Fenestrated asymmetric intracardiac device for the completion of total cavopulmonary anastomosis through cardiac catheterization |
| 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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Application publication date: 20141217 |
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