CN209154651U - Vacuum suction occlusion catheter and negative pressure suction device - Google Patents

Abstract

The utility model relates to medical supplies field, a kind of vacuum suction occlusion catheter and negative pressure suction device are provided.The vacuum suction occlusion catheter includes catheter body, demarcation plate is provided in catheter body, demarcation plate is arranged along the axis direction of catheter body and catheter body is separated to form mutually independent first passage, second channel and third channel, catheter body has head end and tail end, head end has head opening, head end sacculus and negative pressure hole, tail end is provided with mutually independent first branch pipe, second branch pipe and third branch pipe, head opening is connected to the first branch pipe by first passage, head end sacculus and the second branch pipe are connected to by second channel, negative pressure hole is connected to third branch pipe by third channel.Vacuum suction occlusion catheter structure provided by the utility model is simple, material economy, intracavitary indwelling and is fixed conveniently, and vacuum suction definite effect, balloon pressure are controllable in real time, and operability and practicability are stronger.

Description

Vacuum suction occlusion catheter and negative pressure suction device

Technical field

The utility model relates to medical supplies fields, in particular to a kind of vacuum suction occlusion catheter and negative pressure Suction device.

Background technique

With the development of intracavitary Urology Surgery, become treatment ureteral calculi safely, effectively through ureteroscope lithotrity Method brings Gospel for many patients.But since narrow space in ureteral lumen and ureteroscope mirror structure design Limitation, through ureteroscope lithotrity, there are still greater risks, are easy to appear a series of complication, some complication are even drawn Play serious consequence.

Tradition in ureteroscope rubble surgical procedure through having the following problems: first, since the endoscope-assistant surgery visual field is narrow, be Keep visual area clear, need continual rinsing and keep certain flushing liquor pressure, but enters water inside conventional ureteroscope mirror body Channel and exhalant canal are same channel, that is, can not be discharged simultaneously when entering water, therefore often need to close when Renal pelvic pressure power is excessively high Water inlet valve is simultaneously drained by mirror body channel to external, and the consequence done so is not only to have lost visual area clarity, is also extended Operating time；Second, the head end of ureteroscope is perfusion liquid water outlet, and the Continuous Perfusion of water flow may change calculus position, Even by calculus refunds renal plevis, calculifragous efficiency is reduced, although traditional calculus plugging device can be pulled far by internal seal wire Gauffer occurs for end blade to block ureter lumen, but can not apply specific tensile to tube wall in conjunction with ureter concrete condition, It is unable to complete effective closure of individuation；Third, since some patientss ureter lumen condition is poor, such as ureter mirror body distal end For ureter lumen there are the degree of difficulty that flushing liquor reflux will be further aggravated in the factors such as narrow, tortuous, myxedema, renal plevis is high The generation so that renal plevis backflows is pressed, urinary tract bacterium can backflow into blood, postoperative infection, high fever, kidney week hydrops, pain over renal region occur, very To severe complications such as septicemia, shocks.Therefore it is perfused and without effective liquid reflux channel in the case where implements in continuous high-pressure Hysteroscope rubble, which is performed the operation, will dramatically increase the risk of postoperative complications.

Utility model content

The purpose of this utility model, for example including providing a kind of vacuum suction occlusion catheter, the function of existing vacuum suction Can, while also having the function of to block, use is safe, structurally simple, economical easy-to-use.

The purpose of this utility model further includes providing a kind of negative pressure suction device, can safely and effectively implement rubble hand Art.

In order to realize that above-mentioned at least one purpose, the embodiments of the present invention adopt the following technical scheme that

A kind of vacuum suction occlusion catheter comprising catheter body is provided with demarcation plate in catheter body, demarcation plate along The axis direction of catheter body, which is arranged and catheter body is separated to form mutually independent first passage, second channel and third, to be led to Road, catheter body have head end and tail end, and head end has head opening, head end sacculus and negative pressure hole, and tail end is provided with mutually Independent first branch pipe, the second branch pipe and third branch pipe, head opening and the first branch pipe are connected to by first passage, head end sacculus It is connected to the second branch pipe by second channel, negative pressure hole is connected to third branch pipe by third channel.

Optionally, in the preferred embodiment of the utility model, above-mentioned head end opening is located at the top of head end, head end sacculus Catheter body is sheathed on close to the outer wall of head end side, and is connected with the second channel, negative pressure hole is opened in the outer of catheter body Wall and the lower section for being located at head end sacculus.

Optionally, in the preferred embodiment of the utility model, above-mentioned negative pressure hole is multiple and along catheter body axis It is arranged to direction.

Optionally, in the preferred embodiment of the utility model, the outer wall of above-mentioned second branch pipe is arranged with tail end sacculus, tail End sacculus is connected to the second branch pipe.

Optionally, in the preferred embodiment of the utility model, above-mentioned head end sacculus and tail end sacculus are double-layer structure.

Optionally, in the preferred embodiment of the utility model, one end of the separate catheter body of above-mentioned second branch pipe is For connecting the syringe interface device of syringe.

Optionally, in the preferred embodiment of the utility model, positioning plate, bullet are provided in said syringe interface arrangement Spring and piston, positioning plate are fixed in syringe interface device, and the both ends of spring are connect with positioning plate and piston respectively, and piston is used In closing or opening syringe interface.

Optionally, in the preferred embodiment of the utility model, one end of the separate catheter body of above-mentioned third branch pipe is For connecting the vacuum extractor interface of vacuum extractor.

Optionally, in the preferred embodiment of the utility model, the cross section of above-mentioned catheter body is circle, and demarcation plate will Catheter body is divided into fan-shaped first passage, second channel and third channel.

A kind of negative pressure suction device comprising seal wire, syringe, vacuum extractor and above-mentioned vacuum suction closure are led Pipe, seal wire is arranged in first passage and extended tips are open, and syringe is connected to the second branch pipe, and vacuum extractor and third are logical Road connection.

The beneficial effect of the utility model embodiment for example,

Vacuum suction occlusion catheter provided by the utility model is by being separated to form mutually independent first for catheter body Channel, second channel and third channel, wherein first passage is conducive to rely on seal wire in intracavitary accurate inlying catheter, and can Again through second channel dilating sacculus after relying on seal wire guidance head end sacculus first to cross calculus, be conducive to Line Safety being fixed on pipe It is intracavitary, while avoiding calculus stream and returning in renal plevis；When catheter retaining in place after, can remove seal wire；It is led in first passage removal After silk, first passage can combine third channel and complete vacuum suction effect jointly, further ensure the patency of liquid reflux. Vacuum suction occlusion catheter structure provided by the utility model is simple, material economy, intracavitary indwelling and is fixed conveniently, vacuum suction Definite effect, balloon pressure are controllable in real time, and operability and practicability are stronger.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of vacuum suction occlusion catheter provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the cross section of catheter body provided by the embodiment of the utility model；

Fig. 3 is second pipe end provided by the embodiment of the utility model and the structural representation that syringe interface device cooperates Figure；

Fig. 4 is the structural schematic diagram of the vacuum extractor interface arrangement of third branch pipe provided by the embodiment of the utility model.

Icon: 100- vacuum suction occlusion catheter；110- catheter body；111- demarcation plate；112- first passage；113- Two channels；114- third channel；120- head end；121- head opening；122- head end sacculus；123- negative pressure hole；130- tail end； The first branch pipe of 131-；The second branch pipe of 132-；133- third branch pipe；134- tail end opening；135- tail end sacculus；136- syringe connects Mouth device；1361- positioning plate；1362- spring；1363- piston；137- vacuum extractor interface.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase To importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

Embodiment

Fig. 1 is please referred to, the present embodiment provides a kind of vacuum suction occlusion catheters 100 comprising catheter body 110.

In the present embodiment, Fig. 1 and Fig. 2, the substantially hollow tubular structures of catheter body 110, cross section are please referred to For circle, be provided with demarcation plate 111 in catheter body 110, demarcation plate 111 along catheter body 110 axis direction setting and Catheter body 110 is separated to form mutually independent first passage 112, second channel 113 and third channel 114.Preferably, divide Catheter body 110 is divided into fan-shaped first passage 112, second channel 113 and third channel 114 by partition 111.It that is to say, Demarcation plate 111 is 3, and the angle between the adjacent demarcation plate 111 of any two is 120 °.Certainly, in other embodiments, The size that first passage 112, second channel 113 and third channel 114 can also be changed as the case may be, is not limited to equal part The case where, it is only necessary to guarantee first passage 112, second channel 113 and third channel 114 it is mutually indepedent and it is not connected i.e. It can.

Referring to Fig. 1, catheter body 110 has head end 120 and tail end 130, wherein head end 120 is for being inserted into patient Intracorporal one end, and tail end 130 is that indwelling is external in patient, convenient for one end of medical staff's operation.

Head end 120 has head opening 121, head end sacculus 122 and negative pressure hole 123, specifically, the opening of head end 120 position In the top of head end 120, head end sacculus 122 is sheathed on catheter body 110 close to the outer wall of the side of head end 120, negative pressure hole 123 are opened in the outer wall of catheter body 110 and are located at the lower section of head end sacculus 122.In the present embodiment, negative pressure hole 123 is multiple And it is arranged along the axial direction of catheter body 110.The purpose is to prevent the individual negative pressure holes 123 in part and lumen sticking film It is attached or by calculus powder obstruction after remaining negative pressure hole 123 can still play vacuum suction effect.It is worth noting that, head is opened Mouth 121, head end sacculus 122 and negative pressure hole 123 are also mutually indepedent and are independent of each other.

Tail end 130 is provided with mutually independent first branch pipe 131, the second branch pipe 132 and third branch pipe 133.Head opening 121 are connected to the first branch pipe 131 by first passage 112, and head end sacculus 122 and the second branch pipe 132 are connected by second channel 113 Logical, negative pressure hole 123 is connected to third branch pipe 133 by third channel 114.

Wherein, the first branch pipe 131 is the channel for passing through for seal wire, in the first branch pipe 131 far from catheter body 110 One end is tail end opening 134, for entering for seal wire from tail end opening 134 and stretching through first passage 112 from head opening 121 Out.

The outer wall of second branch pipe 132 is arranged with tail end sacculus 135, and tail end sacculus 135 is connected to the second branch pipe 132.Second One end of the separate catheter body 110 of branch pipe 132 is the syringe interface device 136 for connecting syringe, syringe interface Device 136 can connect syringe, and liquid after syringe interface device 136 is connect with syringe in syringe is i.e. with second Branch pipe 132 is connected to, and liquid can enter tail end sacculus 135 and head end sacculus 122 by the second branch pipe 132, due to head end sacculus 122 and tail end sacculus 135 be connected to the second branch pipe 132, therefore the body of head end sacculus 122 and tail end sacculus 135 after fluid injection Product variation is in the same size, can pass through the intracorporal head of judgement of size and tension simple, intuitive positioned at external tail end sacculus 135 The size and tension of sacculus 122 are held, consequently facilitating control syringe injects the amount of liquid into the second branch pipe 132.Similarly, may be used also The liquid in head end sacculus 122 and tail end sacculus 135 is evacuated discharge by syringe, convenient for by catheter body 110 from body Interior taking-up.

In the present embodiment, head end sacculus 122 and tail end sacculus 135 are double-layer structure, specially the hollow circle of double-layer seal Shape bag structure.

In addition, referring to Fig. 3, in order to avoid the water through syringe injection in head end sacculus 122 and tail end sacculus 135 is from note Emitter interface flows out, and in the present embodiment, positioning plate 1361, spring 1362 is provided in syringe interface device 136 and is lived Plug 1363, positioning plate 1361 is fixed in syringe interface device 136, is in hollow and annular, liquid will not be hindered to enter second Pipe 132, the both ends of spring 1362 are connect with positioning plate 1361 and piston 1363 respectively, and piston 1363 is for closing or opening injection Device interface.It that is to say, the area of the area ratio syringe interface of piston 1363 is big, is used by cooperation spring 1362, piston 1363 can be realized and be closed completely syringe interface, at the same the area of piston 1363 be less than it where position syringe interface The area of the cross section of 136 outer wall of device, so that piston 1363 can be slided in syringe interface device 136 to open or close Close syringe interface.Under the action of spring 1362, after syringe interface is connect with syringe, syringe being capable of extrusion piston 1363 make syringe interface open, to inject liquid into syringe interface by syringe.And when syringe interface and After syringe separation, syringe interface slides seal itself, head by piston 1363 under the restoring force effect of spring 1362 The water having been injected into end sacculus 122 and tail end sacculus 135 will not be flowed out from syringe interface, play the effect of Self-enclosing.

Fig. 1 and Fig. 4 are please referred to, one end of the separate catheter body 110 of third branch pipe 133 is to inhale for connecting negative pressure The vacuum extractor interface 137 of lead device.Vacuum extractor interface 137 can be connect with vacuum extractor, thus to third branch pipe Negative pressure is provided in 133, inhales at the blood of the intracavitary accumulation of ureter tube and rubble end etc. by negative pressure hole 123 in rubble surgical procedure Enter conduit and excrete, it is ensured that the clarity of visual area during operation shortens operating time.

In the present embodiment, vacuum extractor interface 137 is preferably hollow cone structure, and surface is helicitic texture, energy Ensure that vacuum extractor interface 137 is tightly fastened with Aspiratory catheter, prevents gas leakage.

In addition, the utility model embodiment additionally provides a kind of negative pressure suction device (not shown) comprising seal wire, injection Device, vacuum extractor and above-mentioned vacuum suction occlusion catheter 100, seal wire is arranged in first passage 112 and extended tips are opened Mouth 121, syringe is connected to the second branch pipe 132, and vacuum extractor is connected to third channel 114.

The working principle of negative pressure suction device is: when needing intracavitary inlying catheter in endoscope-assistant surgery, first along mirror body indwelling Seal wire simultaneously ensures that seal wire crosses calculus, after the completion of seal wire indwelling, exits mirror body, outside the seal wire again merging mirror body to intracavitary, The head opening 121 of catheter body 110 is sheathed on to the outside of seal wire again, and is slid into along seal wire until by catheter body 110 In indwelling to lumen, it is ensured that head end sacculus 122 crosses calculus, then withdraws from seal wire, passes through hormone device head-end sacculus 122 It is filled the water in tail end sacculus 135, water filling situation is line-of-sighted observation under mirror, blocked sight in case of calculus is larger and can not peep and head end sacculus When 122 dilatation, observable and touch are located at external tail end sacculus 135 and confirm degrees of expansion and tension, when head end sacculus 122 lumen is just closed and to lumen without obvious dilating effect when stop water filling；Head end sacculus 122 is first crossed after calculus again Expansion is conducive to for 110 safety of catheter body being fixed in lumen, while avoiding rubble in the process since bath pressure causes Part calculus stream returns to the risk in renal plevis；135 indwelling of tail end sacculus passes through balloon inflation channel and head end sacculus 122 in external It communicates, realizes balloon pressure vitro real time monitoring；Since the seal wire in first passage 112 is removed, first passage 112 can be with Joint third channel 114 completes vacuum suction effect jointly, further ensures the patency of intracavity liquid reflux；When having performed the operation Cheng Hou the liquid in head end sacculus 122 and tail end sacculus 135 can be discharged by syringe, to take out catheter body 110.

It is worth noting that, the application range of vacuum suction occlusion catheter 100 provided by the embodiment of the utility model includes But the multidisciplinary operation neck such as be not limited to ureteroscope, kidney mirror, urethroscope, hysteroscope, coaxial falloposcopy, gastroscope, colonoscopy, choledochoscope Domain.

In conclusion vacuum suction occlusion catheter 100 provided by the utility model is by the way that catheter body 110 to be separated to form Mutually independent first passage 112, second channel 113 and third channel 114, wherein first passage 112 is conducive to rely on seal wire In intracavitary accurate inlying catheter；Head end sacculus 122 first crosses further expansion after calculus, is conducive to Line Safety being fixed on lumen It is interior, while avoiding calculus stream and returning in renal plevis；When catheter retaining in place after, can remove seal wire, vacant first passage 112 can It cooperates with third channel 114 to play vacuum suction effect jointly, further ensures the patency of liquid reflux.The utility model mentions 100 structure of vacuum suction occlusion catheter of confession is simple, material economy, intracavitary indwelling and is fixed conveniently, vacuum suction definite effect, Balloon pressure is controllable in real time, and operability and practicability are stronger.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of vacuum suction occlusion catheter, which is characterized in that it includes catheter body, and separation is provided in the catheter body Plate, the demarcation plate are separated to form mutually independent along the axis direction setting of the catheter body and by the catheter body First passage, second channel and third channel, the catheter body have head end and tail end, the head end have head opening, Head end sacculus and negative pressure hole, the tail end are provided with mutually independent first branch pipe, the second branch pipe and third branch pipe, the head Portion's opening is connected to first branch pipe by the first passage, and the head end sacculus and second branch pipe pass through described the The connection of two channels, the negative pressure hole are connected to the third branch pipe by the third channel.

2. vacuum suction occlusion catheter according to claim 1, which is characterized in that the head end opening is located at the head end Top, the head end sacculus is sheathed on the catheter body close to the outer wall of the head end side, and with it is described second logical Road connection, the negative pressure hole are opened in the outer wall of the catheter body and are located at the lower section of the head end sacculus.

3. vacuum suction occlusion catheter according to claim 1, which is characterized in that the negative pressure hole is multiple and along institute The axial direction for stating catheter body is arranged.

4. vacuum suction occlusion catheter according to claim 1, which is characterized in that the outer wall of second branch pipe is arranged with Tail end sacculus, the tail end sacculus are connected to second branch pipe.

5. vacuum suction occlusion catheter according to claim 4, which is characterized in that the head end sacculus and the tail end ball Capsule is double-layer structure.

6. vacuum suction occlusion catheter according to claim 4, which is characterized in that second branch pipe is led far from described One end of tube body is the syringe interface device for connecting syringe.

7. vacuum suction occlusion catheter according to claim 6, which is characterized in that setting in the syringe interface device Have positioning plate, spring and piston, the positioning plate is fixed in the syringe interface device, the both ends of the spring respectively with The positioning plate is connected with the piston, and the piston is for closing or opening the syringe interface.

8. vacuum suction occlusion catheter according to claim 4, which is characterized in that the third branch pipe is led far from described One end of tube body is the vacuum extractor interface for connecting vacuum extractor.

9. vacuum suction occlusion catheter according to claim 1, which is characterized in that the cross section of the catheter body is circle The catheter body is divided into the fan-shaped first passage, the second channel and the third and led to by shape, the demarcation plate Road.

10. a kind of negative pressure suction device, which is characterized in that it includes seal wire, syringe, vacuum extractor and such as claim The described in any item vacuum suction occlusion catheters of 1-9, the seal wire are arranged in the first passage and stretch out the head and open Mouthful, the syringe is connected to second branch pipe, and the vacuum extractor is connected to the third channel.