CN204073060U - The arterial perfusion intubate that a kind of blood flow distributes and regulates - Google Patents
The arterial perfusion intubate that a kind of blood flow distributes and regulates Download PDFInfo
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- CN204073060U CN204073060U CN201420574871.XU CN201420574871U CN204073060U CN 204073060 U CN204073060 U CN 204073060U CN 201420574871 U CN201420574871 U CN 201420574871U CN 204073060 U CN204073060 U CN 204073060U
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Abstract
The arterial perfusion intubate that a kind of blood flow distributes and regulates.Comprise the cannula body of blood supply end, it is characterized in that also comprising be connected with cannula body have shunting, the proximal part pipe of dividing potential drop effect and distal end pipe, be formed in the Cardiopulmonary bypass plastic tube in T or y-type structure on population structure, the proximal part pipe of Y type intrusion pipe and the cannula body of blood supply end have angle, to distribute or to regulate perfusion blood flow.This utility model is used for systemic arterial perfusion during right carotid reaches extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion; During reaching extracorporeal circulation for axillary artery, systemic arterial perfusion and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, avoid right upper extremity ischemia simultaneously; Can ensure that nearly far-end blood is for avoiding lower limb ischemia for femoral artery simultaneously.Obviously its structure is simple, easy to operate, has shunting, dividing potential drop effect, thus decreases operation deutocerebrum ischemia or limb ischemia time, improves the success rate of aortic arch operation and is able to extensive use.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to the arterial perfusion intubate that a kind of blood flow distributes and regulates.
Background technology
Prior art normally applies 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 comparatively dark, 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, the right upper extremity being positioned at distal end is in ischemic state always; 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 need 10 minutes or longer time, right carotid ischemia may be caused during this period of time, thus make some patients cause irreversibility ischemic brain injury.Anastomotic leakage blood during the shortcoming of sewing also can cause heparinization; In addition, the arterial perfusion of different parts must use straight cutting pipe proprietary separately or artificial blood vessel, can not be general, and a straight cutting pipe of prior art or cannot be difficult to reach and carries out Blood flow distribution and pressure as required and regulate in above-mentioned application.Obviously simple to operate, perfusion is reliable, reduces ischemic time as far as possible, and prevents other organ ischemia, the medical apparatus and instruments of the generation reducing cerebral pathology and the success rate improving aortic arch operation and method, is that doctor and patient is all thirsted for overcritical.
Summary of the invention
The object of the present invention is to provide the arterial perfusion intubate that a kind of blood flow distributes and regulates, to overcome all kinds of drawback and the deficiency of prior art.
Another object of the present invention is to provide a kind of general arterial cannulation that can pour into blood flow as required and carry out in the blood vessel distributing and regulating, to avoid suture operation, shorten operating time and reduce ischemic time etc. as far as possible as far as possible.
This utility model is on the basis of existing intubate, specifically using on the existing cannula body as blood supply straight cutting pipe, have additional shunting again, two branch stubs of dividing potential drop effect, the i.e. medical perfusion plastic tube of T-shaped structure on population structure, or the medical perfusion plastic tube of extracorporeal circulation in y-type structure, reach the shunting of perfusion blood, dividing potential drop, to regulate or to distribute hemoperfusion flow, and it is simple when reaching intubate, rapidly, during ensureing extracorporeal circulation, whole body is without ischemic area, significantly reduce ischemic time simultaneously, reduce generation of cerebral pathology etc.
Therefore, the most basic technical scheme of the present utility model: the cannula body comprising blood supply end, it is characterized in that it also comprise be connected with cannula body have shunting, two branched pipes-proximal part pipe of dividing potential drop effect and distal end pipe, be formed in the medical perfusion plastic tube of extracorporeal circulation that is T-shaped on population structure or y-type 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 that communicates with cannula body and distal end pipe three are in same plane, and proximal part pipe and distal end pipe are at same axis, and identical with the caliber of cannula body, or are less than the caliber of cannula body.
Above-mentioned for T-type structure perfusion plastic tube, above-mentioned cannula body is perpendicular to proximal part pipe and distal end pipe, or for the angle that the y-type structure perfusion proximal part pipe of plastic tube and the cannula body of blood supply end are 120-150 °, the cannula 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 optimum angle for the proximal part pipe of y-type structure intrusion pipe and the cannula body of blood supply end is 135 °.
Consider and be convenient to surgical cannula, the termination of above-mentioned proximal part pipe and distal end pipe is all in 45 ° of angles.
Consider circular cone or be spherically more conducive to surgical cannula, 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 cannula body.Also increase the hemoperfusion flow entering proximal part pipe and distal end pipe like this.
Consider reliable fixing intubate, and reduce the length of vessel of surgical incision as far as possible, proximal part, the distal end length of above-mentioned branched pipe are respectively 1.5cm and 1.0cm.
Above-mentioned this utility model can be applicable to right carotid with systemic arterial perfusion during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.
This utility model also can be applicable to systemic arterial perfusion during right side axillary artery reaches extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, can avoid right upper extremity ischemia simultaneously.
This utility model also can be applicable to femoral artery, and systemic arterial perfusion, avoids lower limb ischemia simultaneously during reaching extracorporeal circulation or during ECMO.
Total body perfusion and stop cycle period diencephalon perfusion during obvious this utility model not only can meet extracorporeal circulation, reaches the perfusion distribution of blood flow and adjustment, and in vitro cycle period without perfusion ischemic area.And it is simple to operate, highly versatile, greatly shorten operating time, decrease cerebrum ischemia or limb ischemia time, overcome the drawback intubate angle 135 ° of existing arterial cannulation and method, not easily raise perfusion pressure, not leakiness blood, Blood damage is light, easy to operate, fixes and easily, reliably, is not easily shifted.When intubate and tube drawing, the carotid occlusion time is short, is 1-2 minute, on cerebral blood supply almost without impact.Thus decrease the generation of cerebral pathology and the misery of patient, improve the success rate of aortic arch operation.Especially right common carotid artery table is shallow, easily locates, and appear good, operating difficulty is low.
Accompanying drawing explanation
Fig. 1. the schematic diagram of one of basic structure of the present utility model.
Fig. 2. one of basic structure having angle of the present utility model schematic diagram.
Fig. 3. Y type of the present utility model has the structural representation of side opening (angle is Q).
Fig. 4. one of basic structure of Y type of the present utility model schematic diagram (angle is Q).
Fig. 5. the arterial blood during service condition of insertion right axillary artery of the present utility model is for schematic diagram.
Fig. 6. the arterial blood during service condition of insertion right common carotid artery of the present utility model is for schematic diagram.
Wherein, 1. cannula 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 and Fig. 6 of the present utility modelly inserts position signal place.
Detailed description of the invention
As Fig. 1,3,4, this utility model comprises the cannula body 1 of blood supply end, it is characterized in that it also comprise be connected with cannula body 1 have shunting, two branched pipes-proximal part pipe 2 of dividing potential drop effect and distal end pipe 3, be formed in medical extracorporeal circulation perfusion plastic tube that is T-shaped on population structure or y-type structure, and the length of above-mentioned proximal part pipe 2 is greater than the length of distal end pipe 3.The length of usual cannula body 1 is 15--20cm.
The blood vessel cut when 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 about 1.5cm and 1.0cm.Namely technically require that above-mentioned proximal part pipe 2 and distal end pipe 3 length are more short better under the prerequisite of blood is not leaked in guarantee, thus make arteriotomy the shortest, prevent myometrial suture artery narrow.
This length is defined as the distance of angle 5 upper limb of thoughtful end pipe from cannula body 1.
The above-mentioned proximal part pipe 2 that communicates with cannula body 1 and distal end pipe 3, three is in same plane, and proximal part pipe 2 and distal end pipe 3 are at same axis, and identical with the caliber of cannula body 1, or are less than the caliber of cannula 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 cannula body 1 elects 6-8mm as.
As Fig. 1-2, it is characterized in that for the cannula body 1 described in T-type structure perfusion plastic tube perpendicular to proximal part pipe 2 and distal end pipe 3, or as Fig. 3-4, for the angle that the proximal part pipe 2 of y-type structure perfusion plastic tube and the cannula body 1 of blood supply end are 120-150 °, the cannula body 1 of distal end pipe 3 and blood supply end is in 30-60 ° of angle.
The above-mentioned optimum angle for the y-type structure perfusion proximal part pipe 2 of plastic tube and the cannula 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, can not raise pump pressure again, thus made 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 intubate during operation.
As Fig. 3, consider circular cone or be spherically more conducive to surgical cannula, 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 cannula body 1.Also provide like this and regulate from the size of side opening the hemoperfusion flow entering proximal part pipe 2 and distal end pipe 3.
Above-mentioned this utility model can be applicable to right carotid with systemic arterial perfusion during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.During application this utility model, catheter position can select right side axillary artery and right carotid, and right common carotid artery that is shallow with location tables, that be easy to appear is good.Through the perfusion of right carotid Bidirectional Blood Flow, whole body and brain perfusion during taking into account extracorporeal circulation, be beneficial to again and stop the perfusion of cycle period guarantee brain; Namely right carotid is applied to systemic arterial perfusion during reaching extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.During application this utility model, compared with stitching artificial blood vessel method, do not need to sew up, reduce the artery ischemia time, especially shorten right carotid artery and block Ischemia Time.During application this utility model, compared with existing Retrograde perfusion through superior vena cava, perfusion pressure is easy to control, and avoid non-physiology and pour into the cerebral hemorrhage that may cause, and brain protects bad consequence.
This utility model also can be applicable to systemic arterial perfusion during right side axillary artery reaches extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, can avoid right upper extremity ischemia simultaneously.During application this utility model, this intubate is applied to right side axillary artery, total body perfusion during both can ensureing extracorporeal circulation, takes into account again right upper extremity perfusion, overcome the right upper extremity ischemia that existing axillary artery intubate causes.Namely systemic arterial perfusion during right side axillary artery reaches extracorporeal circulation is applied to, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, and avoid right upper extremity ischemia.During application this utility model, compared with stitching artificial blood vessel method, do not need to sew up, reduce the artery ischemia time.During application this utility model, compared with existing Retrograde perfusion through superior vena cava, perfusion pressure is easy to control, and avoid non-physiology and pour into the cerebral hemorrhage that may cause, and brain protects bad consequence.
This utility model also can be applicable to femoral artery, and systemic arterial perfusion, avoids lower limb ischemia simultaneously during reaching extracorporeal circulation or during ECMO.During application this utility model, also can do femoral arteriography, perfusion is reliable, and intubate is simple, avoids lower limb ischemia simultaneously.Especially to the longer patient of operating time, benefit larger.Namely femoral artery is applied to, systemic arterial perfusion and avoid lower limb ischemia during reaching extracorporeal circulation or during ECMO.
As Fig. 5, be applied to systemic arterial perfusion during right side axillary artery reaches extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion, right upper extremity ischemia can be avoided simultaneously; During intubate, two satinsky's clamps block axillary artery, longitudinal incision tremulous pulse 2cm between two pincers, first insert proximal part 2, then import distal end 3, tighten up respectively to block to be with and fix, connect aortic perfusion pipe after aerofluxus, put proper angle and fix, now as extracorporeal circulation arterial perfusion pipe.Avoid the right upper extremity ischemia that existing intubate causes.
When Deep Hypothermia Circulatory Arrest row aorta bow 3 large branches coincide, block Y tube distal end tremulous pulse and innominate artery, through this intubate low discharge selective cerebral perfusion.
When pulling up intubate, blocking-up Y tube is near, distal end, extract Y shape intubate, after using 6-0 polypropylene (Prolene) line to sew up one deck continuously, exhaust open blocks pincers, recovers the confession of right axillary artery blood, only needs 2-3 minute, the continuous sewn reinforcement one deck of 6-0 polypropylene (Prolene) line, 3-0 absorbable thread is sewed up the incision.
As Fig. 6, be applied to systemic arterial perfusion during right carotid reaches extracorporeal circulation, and Deep Hypothermia Circulatory Arrest selective cerebral perfusion.During intubate, two satinsky's clamps block right common carotid artery, longitudinal incision right common carotid artery 2cm between two pincers, first proximal part 2 is inserted, then import distal end 3, tighten up respectively to block to be with and fix, after aerofluxus, 4 connect aortic perfusion pipes, put proper angle to fix, now as extracorporeal circulation arterial perfusion pipe.The carotid occlusion time is only 1-2 minute, is significantly shorter than and sews up artificial blood vessel's time and can not affect brain function.
When Deep Hypothermia Circulatory Arrest row aorta bow 3 large branches coincide, block Y tube proximal part common carotid artery, through this intubate low discharge selective cerebral perfusion.
When pulling up intubate, blocking-up Y tube is near, the blood vessel at distal end place, extract Y shape intubate, after sewing up one deck continuously with 6-0 polypropylene (Prolene) line, exhaust open blocks pincers, recovers the confession of right common carotid artery blood, only needs 2-3 minute, use 6-0 polypropylene (Prolene) sewn reinforcement one deck continuously again, 3-0 absorbable thread is sewed up the incision.
Be applied to femoral artery, during reaching extracorporeal circulation, systemic arterial perfusion, avoids lower limb ischemia simultaneously.Its use is the same.
Embodiment 1
As Fig. 1, most simple structure of the present utility model comprises the cannula body 1 of blood supply end, it is characterized in that it also comprises two of being connected with cannula body 1 and has shunting, two branch stubs-proximal part pipe 2 of dividing potential drop effect and distal end pipe 3, be formed in the medical perfusion plastic tube of 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 that the angle 5 of 45 ° is beneficial to intubate.
Usually get cannula body length 20cm, proximal part pipe 2 and distal end pipe 3 are respectively 1.5cm and 1.0cm.
Embodiment 2
As Fig. 4, this utility model comprises the cannula body 1 of blood supply end, it is characterized in that it also comprises the proximal part pipe 2 and distal end pipe 3 communicated with cannula body 1, three is the medical plastic pipe of y-type structure in same plane, and the cannula body 1 of proximal part pipe 2 and blood supply end is in 120 ° of angles, and namely Q is 60 ° of angles, to lower resistance of blood flow, reduce pump pressure, thus ensure irrigation flow, alleviate Blood damage.
Embodiment 3
As Fig. 3, this utility model comprises the cannula body 1 of blood supply end, it is characterized in that it also comprise be connected with cannula body 1 have shunting, two branched pipes-proximal part pipe 2 of dividing potential drop effect and distal end pipe 3, be formed in medical extracorporeal circulation perfusion plastic tube that is T-shaped on population structure or y-type structure, and the perfusion plastic tube of above-mentioned no matter 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 4 of 6 symmetry arrangement, and ensure that each side opening 4 gross area is greater than the maximum open area of cannula body 1.
Claims (7)
1. the arterial perfusion intubate of a blood flow distribution and adjustment, comprise the cannula body (1) of blood supply end, it is characterized in that it also comprise be connected with cannula body (1) have shunting, two branched pipes-proximal part pipe (2) of dividing potential drop effect and distal end pipe (3), be formed in the medical extracorporeal circulation perfusion plastic tube of T-shaped on population structure or y-type 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. arterial perfusion intubate as claimed in claim 1, it is characterized in that the above-mentioned proximal part pipe (2) that communicates with cannula 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 cannula body (1), or be less than the caliber of cannula body (1).
3. arterial perfusion intubate as claimed in claim 1 or 2, it is characterized in that the above-mentioned cannula body (1) for T-type structure perfusion plastic tube is perpendicular to proximal part pipe (2) and distal end pipe (3), or for the cannula body (1) of the y-type structure perfusion proximal part pipe (2) of plastic tube and blood supply end in 120-150 ° angle, the cannula body (1) of distal end pipe (3) and blood supply end is ° angle in 30-60, to regulate or to distribute perfusion blood flow.
4. arterial perfusion intubate as claimed in claim 3, is characterized in that the above-mentioned optimum angle for the y-type structure perfusion proximal part pipe (2) of plastic tube and the cannula body (1) of blood supply end is 135 °.
5. arterial perfusion intubate as claimed in claim 1 or 2, the length that it is characterized in that above-mentioned proximal part pipe (2) and distal end pipe (3) is 1.5cm and 1.0cm respectively, and the angle (5) that its termination is 45 ° is beneficial to intubate.
6. arterial perfusion intubate as claimed in claim 1 or 2, it is characterized in that the termination of 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 cannula body (1).
7. arterial perfusion 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 cannula body (1) is 6-8mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574871.XU CN204073060U (en) | 2014-10-02 | 2014-10-02 | The arterial perfusion intubate that a kind of blood flow distributes and regulates |
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| CN201420574871.XU CN204073060U (en) | 2014-10-02 | 2014-10-02 | The arterial perfusion intubate that a kind of blood flow distributes and regulates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225759A (en) * | 2014-10-02 | 2014-12-24 | 黄强 | Arterial infusion cannula for blood flow distribution and adjustment and application thereof |
| CN110337279A (en) * | 2017-01-25 | 2019-10-15 | W.L.戈尔及同仁股份有限公司 | For treating and preventing the method and apparatus in the patient's body fluid excess load with heart failure |
-
2014
- 2014-10-02 CN CN201420574871.XU patent/CN204073060U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225759A (en) * | 2014-10-02 | 2014-12-24 | 黄强 | Arterial infusion cannula for blood flow distribution and adjustment and application thereof |
| CN110337279A (en) * | 2017-01-25 | 2019-10-15 | W.L.戈尔及同仁股份有限公司 | For treating and preventing the method and apparatus in the patient's body fluid excess load with heart failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20171002 |