CN202078351U - Renal artery orientation blocking device - Google Patents
Renal artery orientation blocking device Download PDFInfo
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- CN202078351U CN202078351U CN 201120151789 CN201120151789U CN202078351U CN 202078351 U CN202078351 U CN 202078351U CN 201120151789 CN201120151789 CN 201120151789 CN 201120151789 U CN201120151789 U CN 201120151789U CN 202078351 U CN202078351 U CN 202078351U
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- renal artery
- kidney
- blocking
- sacculus
- groove
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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
- A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
- A61B2017/00557—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated inflatable
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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
- 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
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Abstract
The utility model discloses a renal artery orientation blocking device comprising a clamping groove. A ball bag is arranged at one side in the clamping groove and connected with an air filled tube provided with an air valve. In the utility model, due to the structure of the opening at the front end of the device, the device can be fixed at the periphery of the renal artery very conveniently without surrounding, and can be removed rapidly after the air in the ball bag is discharged so as to interrupt the blocking halfway for transiently recovering the filling of the kidney, thus being more beneficial to protecting the kidney. The device is reliably fixed at the periphery of the renal artery, so that the effect of blocking the renal artery can be achieved really, the blocking pressure of the renal artery can be rapidly and accurately adjusted at any time according to the anatomy variation of different individuals and the requirements of operators as well as changing conditions in operation, the blocking effect is reliable, and under the condition of not completely blocking, the medicine for protecting kidney can be supplied for a patient simultaneously, and can directly take part in the metabolism of the kidney, so that the kidney function can be protected according to the practical condition in the operation to the greatest degree.
Description
Technical field
This utility model belongs to clinical medicine surgery technical field, relates to the directed blocking vessel of a kind of renal artery, is particularly useful for laparoscopic surgery.
Background technology
The partial nephrectomy developed recently is very fast, is mainly used in renal carcinoma, solitary kidney tumor, two renal carcinoma, kidney benign tumor, segmental kidney vascular malformation less than 4cm, is confined to the upper pole of kidney or the diseases such as calculus of the utmost point down.The operation difficult point mainly is the control that the kidney wound surface is hemorrhage and the protection of renal function, needs to block renal artery in the art, in addition, and in the excess of the kidney matter Lithotomy as need to cut more excess of the kidney matter and need block renal artery equally.The tradition open surgery is very difficult, and wound is bigger, and the progress of laparoscopic surgery in recent years makes partial nephrectomy obtain improvement, patient's wound is obviously reduced, but difficulty is higher, but doctor's operation technique is had higher requirement.
The blood flow of kidney is very abundant, and the normal adult per minute has 1200ml blood to flow to the bilateral kidney.Implement the patient that kidney partly excises for part is suitable, carrying out kidney when partly excising, because the blood flow of kidney is very abundant, in order to reduce hemorrhage and to obtain clearly that the art open country often needs renal artery is blocked to shorten operating time and accurately to finish operation.But, surpass halfhour hot ischemia and often the renal function of Ipsilateral is brought irreversible infringement, and along with the renal artery prolongation of blocking-up time, the extent of damage increases the weight of gradually because that excess of the kidney is verified is very responsive in hot postischemic reperfusion damage.In order to reduce hemorrhage and to obtain art open country clearly, shorten operating time, traditional partial nephrectomy is often blocked renal artery fully.Operation should be blocked in back 30 minutes at renal artery as far as possible and finish, at present under the peritoneoscope partial nephrectomy to carry out this operation easier bigger, renal artery does not block then that amount of bleeding significantly increases, and often is difficult to finish partial nephrectomy under the peritoneoscope, even is forced to row radical-ability nephrectomy.But it is blocking-up fully that blood vessel blocking folder is blocked renal artery, and the blood flow of this side kidney stops fully, can't be easily to the grant asylum medicine of renal function of this side kidney.Can't accurately regulate occluding pressure, can not Halfway Stopping block, must cause irreversible lesion, make the matter worse especially, be unfavorable for patient's long term survival for solitary kidney or functional solitary kidney tumor patient to kidney.Use the blood vessel blocking folder that renal artery is blocked, blood vessel itself had certain damage, particularly have atheromatous plaque in atherosclerotic patient's the renal artery, blood vessel blocking folder or other modes are blocked and may be caused that all the renal artery atheromatous plaque breaks even comes off more.Existing blocking way is operated under peritoneoscope has certain degree of difficulty, expend time in, and slippage easily, even cause secondary damage.Peritoneoscope with renal artery blocking-up and cold-penetration dispensing device also the someone advance an idea, operation technique is extremely impracticable, promptly enables kidney poured into still obviously to have prolonged operating time, has increased arteriorenal damage, to be difficult to control in case injury of renal artery is hemorrhage, even be forced to the row nephrectomy.In addition, between renal artery, the renal veins and the anatomic space around this two very narrow and small, too early or two renal artery of anatomical variation such as renal artery branch, need during operation two renal artery or arteriorenal two branches are all blocked, also might only need block a tremulous pulse, even there is the patient need block renal artery and renal veins simultaneously, use other blocking way occluding pressure excursions little, and be difficult to realize meticulous adjusting to the renal artery blocking-up, it is bigger to carry out the laparoscopic procedure difficulty, can't farthest satisfy the requirement of operation technique.Peritoneoscope vascular occlusion clamp construction process complexity has increased the operation consumptive material at present, need increase the operation technique passage simultaneously, has increased the weight of the wound to the patient, has increased patient's financial burden.In order to protect patients " renal function, patient's renal artery is carried out the part blocking-up and accurately regulates occluding pressure is best choice, but does not up to the present still have the device that can partly block and accurately regulate renal artery.
The utility model content
This utility model is intended to address the above problem; provide a kind of renal artery directed blocking vessel, can make by operation himself to be fixed on around the renal artery, and can very ideal renal artery partly be blocked; reduce ischemical reperfusion injury, farthest protect patients " renal function.This utility model is simple in structure, easy to operate.
Technical solution of the present utility model is:
The directed blocking vessel of a kind of renal artery, comprising: draw-in groove, a side is provided with sacculus in the groove of draw-in groove, is connected with gas tube on sacculus, is provided with air valve on gas tube.
Useful result of the present utility model is: the structure great convenience of this device front opening is fixed on this device around the renal artery; need not around, can remove fast behind the air bag deflation, promptly can Halfway Stopping blocking-up; the perfusion of of short duration recovery kidney helps renal function protecting more.The back was fixing reliable around this device was fixed in renal artery; and can reach the arteriorenal effect of certain blocking-up; and can also accurately regulate arteriorenal occluding pressure is rapid at any time according to the anatomical variation of Different Individual and patient's requirement and the situation of change in the operation; barrier effect is infallible; not exclusively can give the medicine of protection kidney under the situation of blocking-up simultaneously to the patient; medicine can be participated in the metabolism of this side kidney directly, farthest according to practical situation renal function protecting in the art.This device takes up room little, arteriorenal branch capable of blocking, or only block renal artery and do not influence renal veins, or block the requirement of kidney artery and vein simultaneously respectively, can not cause damage because of the outside dilatancy of self structure to the target blood surrounding structure, and can be because of taking more spacial influence operation technique.The utilization of this blocking vessel had both reduced intraoperative hemorrhage, had guaranteed the clear of art open country again, had particularly importantly also protected the function of kidney to greatest extent, was very easy to operation technique.In addition, this device can be placed in laparoscopically operation sheath card around the renal artery, latter half can place external in the sheath card or by the sheath card, need not additionally to increase the quantity of laparoscopic procedure sheath card, made things convenient for operation technique, reduced the wound to the patient, above-described various useful results will be realized better that in laparoscopic surgery concrete advantage is as follows:
1, simple in structure.This utility model is directly finished arteriorenal blocking-up by the balloon compression in the draw-in groove structure, and manufacturing process is simple relatively, can block renal artery rapidly after the inflated.
2, convenient fixing, the structure great convenience of front opening is fixed on this device around the renal artery, renal artery after only needing to dissociate places groove surfaces, expansion along with sacculus, just reached effectively the fixed purpose of blocking vessel, need not around, having reduced increases the probability that operating procedure causes the mistake damage, surgical operation step and operating time have been significantly reduced, shortened anesthesia duration, and then having reduced the risk that the prolongation anesthesia duration brings, the Financial cost of having saved anesthesia surgery has reduced the wound to the patient.The structure of front opening is very convenient to need various situations that this device is removed, finishes as operation, need not to continue blocking-up, or renal artery is atherosis need stop to block at once the time,, only need this moment air bag deflation can be removed this device fast, saved operating time.
3, to arteriorenal fixing reliable, the matching structure of sacculus and groove can be fixed renal artery reliably, and the external hard plastic framework of draw-in groove structure and can effectively limit the dilatating and deformable space of sacculus with sacculus groove opposite structure, inside directed expansion along with sacculus, further renal artery is fixed in the groove, blocking effect disappears after preventing the renal artery slippage, causes massive hemorrhage in the art.
4, reliable to arteriorenal blocking-up, owing to oppressing to interior orientation of sacculus, its broader contact surface can become flat with the renal artery compressing, reduces intraluminal blood flow, guarantees the requirement of performing the operation renal artery being blocked.
5, occluding pressure can accurately be regulated at any time; aeration quantity in the sacculus can accurately be adjusted at any time; the variation of the occluding pressure that brings with the increase and decrease of aeration quantity in the sacculus can monitoring in real time on the pressure detecting table; Different Individual is owing to arteriorenal caliber, elasticity are all different; different patients also are huge to the difference that requires of blocking-up; ultrafine occluding pressure difference all may be brought different influences to this side renal function, satisfy operation technique to the blocking-up of renal blood flow with the protection renal function.According to the wild operational circumstances of art, accurately regulate occluding pressure, the blood flow of control kidney is guaranteeing that the blood that the art open country farthest keeps kidney clearly under the prerequisite supplies.Both obviously reduce intraoperative hemorrhage, and can guarantee the basic perfusion of kidney again, farthest avoided the ischemical reperfusion injury of kidney.
6, balloon compression is to arteriorenal incomplete blocking-up characteristics, and the medicine of the kidney that grants asylum in can art improves the metabolism situation in this side kidney, and the function of a side kidney of operation is implemented in protection in operation.
7, the occluding pressure adjustable extent is wide, because the outside of the draw-in groove spline structure of the first half of this device is a hard structure, not yielding, can bear the active force of bigger balloon expandable, make that sacculus occluding pressure adjustable extent is very big, Different Individual is because arteriorenal caliber, elasticity are all different, and different patients also are huge to the difference that requires of blocking-up, and the structure of this device can satisfy Different Individual, occluding pressure requirement that different patient is different to renal artery.
8, to arteriorenal double protection.Can not be out of shape in the draw-in groove structure art of this device first half, the normal operating apparatus that uses various sharp property or band energy in the operation technique, the draw-in groove structure all can reduce the probability of various operations to the sacculus infringement to the protection of sacculus, the inside directional expansion of semi-cylindrical structure of blocking-up sacculus, thereby the renal artery disappearance of blocking of avoiding sacculus to break causing, the wild massive hemorrhage of art, draw-in groove all can increase arteriorenal protective effect arteriorenal direct protection; The hemispherical utricule is oppressed the back renal artery to renal artery and is become flat; there is atherosclerosis in part patient; the renal artery quality is more crisp; renal artery broken easily around the medicated porridge template of compressing metanephros tremulous pulse inwall come off; easily cause aneurysm of renal artery behind the plaque rupture; after coming off, the medicated porridge template causes renal infarction; will cause irreversible infringement to patients " renal function; and hemispherical utricule and groove structure are not easy to induce the medicated porridge template of renal artery inwall to break or come off to the variation that renal artery compressing metanephros tremulous pulse shape takes place, thereby increase arteriorenal protective effect.
9, this device takes up room for a short time, very is fit to the requirements of operation of peritoneoscope partial nephrectomy, also can satisfy the requirement of open surgery certainly.Because of renal artery, between the renal veins and the anatomic space around this two very narrow and small, too early or two renal artery of anatomical variation such as renal artery branch, need during operation two renal artery or arteriorenal two branches are all blocked, also might only need block a tremulous pulse, even there is the patient need block renal artery and renal veins simultaneously, this device is because sacculus is only indeformable to intramedullary expansion and draw-in groove structure, it is little to take up room, arteriorenal branch capable of blocking, or only block renal artery and do not influence renal veins, or it is moving to block kidney simultaneously respectively, the venous requirement, can not cause damage because of the outside dilatancy of self structure to the target blood surrounding structure, and can be because of taking more spacial influence operation technique.
10, easy to operate.The first half of this device can be placed in laparoscopically operation sheath card around the renal artery, latter half can place external in the sheath card or by the sheath card, need not additionally to increase the quantity of laparoscopic procedure sheath card, made things convenient for operation technique, reduced the wound to the patient, it can be easily to sacculus gas injection and monitoring pressure at external latter half.
11, the sacculus quality is soft, and renal artery is not had dissection, and roomy contact surface has increased arteriorenal protective effect between the renal artery.By sacculus renal artery compressing is blocked in this utility model, substituted the blood vessel blocking folder that tradition is used, avoided the damage of metal clip, provide safer protective measure for the patient who merges blood vessel scleratheroma to renal artery adventitia and inner membrance.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Fig. 2 is this utility model is implemented blocking-up to renal artery a work process sketch map.
Fig. 3 is the structural representation of another embodiment of the present utility model.
Fig. 4 is the structural representation of an embodiment more of the present utility model.
The specific embodiment
The directed blocking vessel of a kind of renal artery, comprising: draw-in groove 7, a side is provided with sacculus 1 in the groove of draw-in groove 7, is connected with gas tube 2 on sacculus 1, is provided with air valve 5 on gas tube 2.In the present embodiment, opposite side is provided with groove 4 in the groove of draw-in groove 7, be connected with pressure monitoring table 6 on sacculus 1, an end that is connected with pressure-measuring pipe 3 and pressure-measuring pipe 3 on sacculus 1 is connected with sacculus 1, is connected with pressure monitoring table 6 on the other end of described pressure-measuring pipe 3.
With reference to the accompanying drawings, this utility model is made more detailed explanation:
Referring to Fig. 1, in this device front end draw-in groove structure sacculus 1 and groove 4 are arranged.Referring to Fig. 2, the draw-in groove opening part of renal artery through this blocking vessel is placed in the groove, through air valve 5 to sacculus 1 slightly gas injection can prevent its slippage with self being fixed in around the renal artery.Pressure measurement tube core 3 connects the pressure monitoring table through side joint 6, on the side branch joint 6 switch is arranged, and can exit and reduce the sacculus internal pressure.
Referring to Fig. 1 and Fig. 2, in partial nephrectomy or excess of the kidney matter Lithotomy, free good renal artery is placed in the groove through the draw-in groove opening part of this blocking vessel, through air valve 5 progressively after the gas injection, sacculus 1 is progressively partly blocked renal artery purpose, pressure monitoring table 6 synchronous detecting sacculus 1 internal pressure to reach with the renal artery compressing in groove.According to the wild operational circumstances of art, regulate the renal blood flow perfusion by regulating the blocking-up balloon pressure, farthest reduce arteriorenal blocking-up under the prerequisite clearly in assurance art open country, the blood that keeps kidney supplies, wild hemorrhage more as art, obviously influence operation technique, can continue slow gas injection through air valve 5, increase occluding pressure, up to wound surface hemorrhage reduce to satisfy requirements of operation just till, obviously hemorrhage as the wild nothing of art, but the kidney surface obviously bleaches, and prompting kidney ischemia is serious, a small amount of slowly venting this moment, monitoring sacculus internal pressure guarantees to perform the operation and still keeps the blood flow of kidney when carrying out smoothly to a certain extent.Can give the medicine of patient's renal function protecting with fashion; these medicines can enter in the kidney by the renal artery through not blocking fully; improve the metabolism of this side kidney; reduce the generation of harmful metabolite or know harmful substance; thereby realize that at utmost the requirement of renal function protecting is too much as finding inflation; embodiment is in the peritoneoscope partial nephrectomy; with kidney and renal artery free after; with elastic separating plier with the first half of this device through laparoscopically operation sheath card implantation open country; renal artery is placed the groove of this blocking vessel; air valve 5 progressively after the gas injection sacculus 1 expand, RAP is prevented slippage in groove 4.After air valve 5 gas injections, sacculus 1 is also progressively oppressed renal artery, the kidney surface that is blocked begins to bleach, pressure monitoring table 6 shows the pressure of sacculus 1 synchronously, be arteriorenal occluding pressure, beginning cut-out kidney, the requirement of and operation technique hemorrhage according to wound surface, regulate the gas injection rate of sacculus 1 by gas injection and aerofluxus and regulate occluding pressure, strive for guaranteeing that the blood that the art open country farthest keeps kidney clearly under the prerequisite supplies.With after the part kidney excision, the otch of excess of the kidney matter is sewed up again, at this moment, the gas gradual slow in the sacculus is emitted, observe the hemorrhage situation of wound surface, do not have obviously hemorrhagely as wound surface, with gas emptying in the sacculus, remove this device.Find that wound surface is hemorrhage more in the process as gas in discharge finding sacculus, increase gas flow in the sacculus once more on a small quantity, with wound surface thoroughly sew up hemostasis satisfied after with gas emptying in the sacculus, remove this device.
In peritoneoscope excess of the kidney matter Lithotomy, with kidney and renal artery free after, renal artery is placed the groove of this blocking vessel, progressively after the gas injection, sacculus 1 expands, and RAP is prevented slippage in groove 4 through air valve 5.After air valve 5 gas injections, sacculus 1 is also progressively oppressed renal artery, the kidney surface that is blocked begins to bleach, pressure monitoring table 6 shows the pressure of sacculus 1 synchronously, be arteriorenal occluding pressure, begin to cut kidney, the requirement of and operation technique hemorrhage according to wound surface, regulate the gas injection rate of sacculus 1 by gas injection and aerofluxus and regulate occluding pressure, strive for guaranteeing that the blood that the art open country farthest keeps kidney clearly under the prerequisite supplies.After kidney cuts, take out calculus, the otch of excess of the kidney matter is sewed up again, at this moment, the gas gradual slow in the sacculus is emitted, observe the hemorrhage situation of wound surface, do not have obviously hemorrhagely as wound surface,, remove this device gas emptying in the sacculus.Find that wound surface is hemorrhage more in the process as gas in discharge finding sacculus, increase gas flow in the sacculus once more on a small quantity, with wound surface thoroughly sew up hemostasis satisfied after with gas emptying in the sacculus, remove this device.Therefore, this device had both reduced intraoperative hemorrhage, the at utmost low again patients " renal function of having protected.
Though this utility model is described with respect to preliminary election embodiment, this utility model is not limited to this embodiment, but can implement with various forms.
For example, as Fig. 3 and Fig. 4, another embodiment of the present utility model, promptly lead to the tube core of blocking sacculus and only be one, the tube core end is divided into two tube cores, and the side joint connects the pressure monitoring table, and end fitting connects gas injection valve, exit through air valve gas injection or side branch joint in the blocking-up sacculus and to regulate occluding pressure, the pressure of pressure monitoring table in can synchronous detecting blocking-up sacculus.As Fig. 4, an embodiment more of the present utility model, replace groove with sacculus, two tube cores that lead to two sacculus are merged into one in the centre of draw-in groove, and two sacculus are expanded synchronously, the compressing renal artery, the tube core end meets the three way cock, and the side joint connects the pressure monitoring table, and another joint of threeway connects gas injection valve, through gas injection valve gas injection in the blocking-up sacculus, the pressure monitoring table can the interior pressure of synchronous detecting blocking-up sacculus.
Claims (4)
1. the directed blocking vessel of renal artery is characterized in that comprise: draw-in groove (7), a side is provided with sacculus (1) in the groove of draw-in groove (7), is connected with gas tube (2) on sacculus (1), is provided with air valve (5) on gas tube (2).
2. the directed blocking vessel of renal artery according to claim 1 is characterized in that opposite side is provided with groove (4) in the groove of draw-in groove (7).
3. the directed blocking vessel of renal artery according to claim 1 and 2 is characterized in that, is connected with pressure monitoring table (6) on sacculus (1).
4. the directed blocking vessel of renal artery according to claim 1 and 2, it is characterized in that, an end that is connected with pressure-measuring pipe (3) and pressure-measuring pipe (3) on sacculus (1) is connected with sacculus (1), is connected with pressure monitoring table (6) on the other end of described pressure-measuring pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120151789 CN202078351U (en) | 2011-05-13 | 2011-05-13 | Renal artery orientation blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120151789 CN202078351U (en) | 2011-05-13 | 2011-05-13 | Renal artery orientation blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202078351U true CN202078351U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120151789 Expired - Fee Related CN202078351U (en) | 2011-05-13 | 2011-05-13 | Renal artery orientation blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202078351U (en) |
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2011
- 2011-05-13 CN CN 201120151789 patent/CN202078351U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20111221 Termination date: 20150513 |
|
| EXPY | Termination of patent right or utility model |