CN109009297A

CN109009297A - Occluding device for operation on aorta

Info

Publication number: CN109009297A
Application number: CN201810647292.6A
Authority: CN
Inventors: 彭博; 孙晓刚
Original assignee: Fuwai Hospital of CAMS and PUMC
Current assignee: Fuwai Hospital of CAMS and PUMC
Priority date: 2018-06-22
Filing date: 2018-06-22
Publication date: 2018-12-18

Abstract

The invention discloses a blocking device for aortic surgery, which includes an insertion system that can be inserted into the aortic blood conduction hole of a human body; the insertion system includes a catheter and a balloon all made of flexible materials. I. Balloon II, air delivery tube I and air delivery tube II; the upper and lower ends of the catheter are provided with openings, the balloon I is sealed and connected to the position close to the upper opening of the catheter, and the balloon II is sealed and connected to the catheter The position close to the opening of the lower end; the balloon I and the balloon II are all balloon structures that can be inflated and block the blood conduction hole after inflation, the balloon I is connected with the airway I, and the balloon II It is connected with the trachea II; the invention enables the blood pumped by the heart to be exported to the remote organs, and there is no blood in the area requiring surgical operation, and the incision operation can be performed safely, improving the quality and safety of the operation.

Description

Occluding device for operation on aorta

Technical field

The present invention relates to medical instruments field more particularly to a kind of occluding devices for operation on aorta.

Background technique

Aortic aneurysm is the high disease of the death rate, if being not treated in time most probably development is that (48 is small for dissection of aorta When the death rate be up to 50%), regardless of being aortic aneurysm or artery dissection operation most critical is exactly organ protection, that is, blocking After aorta ascendens, the blood supply problem of distal end internal organs.Currently used mode be mainly upper and lower extremities be intubated respectively foundation follow in vitro Ring, although brain and lower limb ischemia time can be reduced, the basic nothing of ischemic of mesenteric artery, coeliac trunk, the arteria renalis, spinal cord Method avoids, and the blood supply of these internal organs is postoperative that renal failure (must go up blood filter support), alimentary canal ischemic can nearly all occur (digestive tract ulcer perforation or obstinate flatulence), spinal cord injury (amputation), this is also operation on aorta high mortality, high concurrent disease Reason.Another, which enables surgeon's stubborn problem, since space is limited, can not be looked for when facing huge aortic aneurysm Pincers are blocked under to suitable angle.

Therefore, to solve the above problems, a kind of occluding device for operation on aorta is just needed, so that heart pumped out Blood may be output to distal end internal organs, and need the region of surgical procedure that can safely carry out cutting operation then without blood, mention High surgical quality and operation safety.

Summary of the invention

In view of this, the purpose of the present invention is to provide a kind of occluding devices for operation on aorta, so that heart pump Blood out may be output to distal end internal organs, and need the region of surgical procedure that can safely carry out incision behaviour then without blood Make, improves surgical quality and operation safety.

Occluding device for operation on aorta of the invention, including setting in human aortic blood via hole can be placed in Enter system；The imbedding system includes being all made of conduit made of flexible material, sacculus I, sacculus II, appendix I and appendix Ⅱ；The upper and lower ends of the conduit are equipped with opening, and the sacculus I is sealedly connected on position of the conduit close to upper end opening, institute State the position that sacculus II is sealedly connected on conduit close to lower ending opening；The sacculus I, sacculus II are inflatable and swollen The airbag structure of block blood via hole, the sacculus I are connected with appendix I after swollen, the sacculus II and II phase of appendix Connection.

As further improvement to above-mentioned technical proposal, the sacculus I, sacculus II are in elliposoidal.

As further improvement to above-mentioned technical proposal, developing mark is equipped on the sacculus I, sacculus II.

As further improvement to above-mentioned technical proposal, the diameter of the conduit is 6mm-10mm；The sacculus I, ball Diameter of the capsule II when completely full is 40mm-50mm.

As further improvement to above-mentioned technical proposal, which further includes inflation system, the inflation system The inflation/deflation of sacculus I is controlled by appendix I, the inflation system controls the inflation/deflation of sacculus II by appendix II.

As further improvement to above-mentioned technical proposal, the inflation system includes hand air pump I and hand air pump II, The hand air pump I is connected by appendix I with sacculus I, and the hand air pump II is connected by appendix II with sacculus II.

As further improvement to above-mentioned technical proposal, the inflation system further includes electric air pump I and electric air pump II, the electric air pump I with pass through appendix I after I parallel connection of hand air pump and be connected with sacculus I, the electric air pump II and manual It is connected by appendix II with sacculus II after II parallel connection of air pump.

As further improvement to above-mentioned technical proposal, the inflation system further include four-way I, four-way II, controller, Display, alarm device I and alarm device II；

Two inlet ends of the four-way I are separately connected the outlet side of electric air pump I and the outlet side of hand air pump I, institute Two inlet ends for stating four-way I are separately connected baroceptor I of the appendix I and one for air pressure in real-time detection appendix I； The signal output end of the baroceptor I is connected to the signal input part of controller, the signal output end point of the controller It is not connected with the signal input part of electric air pump I, alarm device I and display；

Two inlet ends of the four-way II are separately connected the outlet side of electric air pump II and the outlet side of hand air pump I, Two inlet ends of the four-way II are separately connected air pressure transmission of the appendix II and one for air pressure in real-time detection appendix II Sensor II；The signal output end of the baroceptor II is connected to the signal input part of controller, the signal of the controller Output end is connected with the signal input part of electric air pump II and alarm device II respectively.

As further improvement to above-mentioned technical proposal, the inflation system further includes a master for being equipped with control button Machine, the display, alarm device I and alarm device II are installed on host；Cushion chamber, the cushion chamber are equipped in the host In be equipped with can be along the sliding panel that cushion chamber slides up and down, the bottom of the electric air pump I and electric air pump II is on sliding panel.

As further improvement to above-mentioned technical proposal, the sliding panel is positioned at cushion chamber by buffer gear；Institute Stating buffer gear includes being respectively supported at the first assembly of the edge of sliding panel bottom four and being supported on sliding panel bottom centre The second component；The first assembly includes guide cylinder, guide post and spring I, and the spring I is placed in guide cylinder, described to lead Sliding panel bottom, lower end is fixed on to the upper end of column coaxially to protrude into guide cylinder and be fixedly connected with spring I；The second component packet It includes including upper bracket, lower bracket, first connecting rod, second connecting rod, third connecting rod, fourth link and spring II；The upper bracket is solid It is scheduled on sliding panel bottom, the lower bracket is fixed on cushion chamber bottom surface；The upper bracket, first connecting rod, second connecting rod and lower branch Frame is successively hinged, and the upper bracket, third connecting rod, fourth link and lower bracket are successively hinged, so that first connecting rod, the second company Bar, third connecting rod, fourth link form planar pivot four-bar mechanism, and the spring II is located in a manner of being parallel to horizontal plane Inside planar pivot four-bar mechanism.

By above disclosure, the present invention has following advantageous effects:

Occluding device for operation on aorta of the invention passes through arteria carotis in sacculus I and II equal unaerated of sacculus Puncture puts into system and is sent into aorta, passes through appendix I and defeated when sacculus I is at operative site blood supply with sacculus II Tracheae II is respectively inflated sacculus I and sacculus II, close with aortic blood inside pipe wall after II inflation of sacculus I and sacculus Contact blocks to be formed to blood via hole；And since conduit is through-pipe structure, the blocking that sacculus I and sacculus II are formed is only This part for being limited between sacculus I and sacculus II and being in outside conduit, the blood that heart pumps out still may be output to by conduit Distal end internal organs, and the part of stasis is operative site, so that need the region of surgical procedure then without blood, thus Cutting operation can be safely carried out, operation safety and surgical quality are improved.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is structural schematic diagram when imbedding system of the invention is placed in human body；

Fig. 3 is the functional block diagram of inflation system of the invention；

Fig. 4 is the structural schematic diagram of buffer gear of the invention.

Specific embodiment

Technical solution in order to enable those skilled in the art to better understand the present invention, in the following with reference to the drawings and specific embodiments The present invention is described in further detail.

It is as shown in Figures 1 to 4: the occluding device for operation on aorta of the present embodiment, including human body can be placed in actively Imbedding system in arteries and veins blood via hole 9；The imbedding system include be all made of conduit 1, sacculus I 21 made of flexible material, Sacculus II 22, appendix I 31 and appendix II 32；The upper and lower ends of the conduit 1 are equipped with opening, and the sacculus I 21 seals Conduit 1 is connected to close to the position of upper end opening (in proximal end when operation), it is close that the sacculus II 22 is sealedly connected on conduit 1 The position of lower ending opening (in distal end when operation)；The sacculus I 21, sacculus II 22 are inflatable and block up upon inflation The airbag structure of blood via hole is filled in, the sacculus I 21 is connected with appendix I 31, the sacculus II 22 and appendix II 32 It is connected；The component of imbedding system needs to protrude into aorta, it is therefore necessary to have certain wholesomeness and pliability, use existing Some is made in accordance with medical flexible material, may be, for example, medical polyurethane material or medical silica-gel material；Conduit 1, gas transmission The length of pipe I 31 and appendix II 32 can as needed depending on；Sealed connection refers between sacculus I 21, sacculus II 22 and conduit 1 It is not connected to, and fits closely together, sacculus I 21, sacculus II 22 are rolled in outside conduit 1, do not influence the connectivity of conduit 1；Ball Capsule I 21, sacculus II 22 are preferably in elliposoidal.It is adapted to the section character of blood vessel, is convenient for blocking, improve blocking effect； Meanwhile it being equipped with developing mark (not shown) on sacculus I 21, sacculus II 22, it may be, for example, and be located at sacculus I 21, sacculus The opaque insertion label of II 22 inner walls or outer wall, for marking the position of sacculus I 21, sacculus II 22；The diameter of conduit 1 can For 6mm-10mm, the diameter of sacculus I 21, sacculus II 22 when completely full can be 40mm-50mm, be suitable for protruding into aorta, Convenient for being operated in art.

Using the present apparatus, in sacculus I 21 and II 22 equal unaerated of sacculus, system is put by carotid puncture and is sent into Aorta, passes through appendix I 31 when sacculus I 21 is at operative site blood supply with sacculus II 22 and appendix II 32 is distinguished Sacculus I 21 and sacculus II 22 are inflated, closely connect after II 22 inflation of sacculus I 21 and sacculus with aortic blood inside pipe wall Touching blocks to be formed to blood via hole；And since conduit 1 is through-pipe structure, the blocking of sacculus I 21 and the formation of sacculus II 22 It is only limitted between sacculus I 21 and sacculus II 22 and is in this part outside conduit 1, the blood that heart pumps out passes through conduit 1 still It may be output to distal end internal organs, and the part of stasis is operative site, so that needing the region of surgical procedure does not have then Blood (as shown in figure 3, arrow is direction of flow of blood in figure), so as to safely carry out cutting operation, improves hand Art safety and surgical quality.

In the present embodiment, which further includes inflation system, and the inflation system controls sacculus by appendix I 31 I 21 inflation/deflation, the inflation system control the inflation/deflation of sacculus II 22 by appendix II 32；Appendix I 31, appendix II 32 independent actions, it is non-interference；As long as inflation system can be realized the inflation/deflation of sacculus I 21, sacculus II 22, structure can Using existing random devices；For example, the inflation system may include hand air pump I 41 and hand air pump II 42, it is described manually Air pump I 41 is connected by appendix I 31 with sacculus I 21, and the hand air pump II 42 passes through appendix II 32 and II 22 phase of sacculus Even, with this configuration can purely manual mode be inflated, and while deflating, also need to only open corresponding air valve or gas nozzle ?；It is, of course, preferable to ground, the inflation system may also include electric air pump I 51 and electric air pump II 52, the electric air pump I 51 are connected by appendix I 31 with sacculus I 21 with after I 41 parallel connection of hand air pump, the electric air pump II 52 and hand air pump II Be connected with sacculus II 22 after 42 parallel connections by appendix II 32, using this structure, when inflation can first pass through electric air pump I 51, II 52 pairs of sacculus I 21 of electric air pump, sacculus II 22 are inflated, when sacculus I 21, sacculus II 22 strut to a certain extent, then It is finely adjusted inflation by hand air pump I 41, II 42 pairs of sacculus I 21 of hand air pump, sacculus II 22, can reduce medical staff's Working strength, and aeration quantity can be effectively controlled according to the actual conditions of patient.

In the present embodiment, the inflation system further includes four-way I 61, four-way II 62, controller 63, display 64, alarm Device I 65 and alarm device II 66；Controller 63 can be existing single-chip microcontroller；Two inlet ends of the four-way I 61 are separately connected electricity It takes offence the outlet side of pump I 51 and the outlet side of hand air pump I 41, two inlet ends of the four-way I 61 are separately connected appendix I 31 and a baroceptor I 71 for air pressure in real-time detection appendix I 31；The signal of the baroceptor I 71 exports End is connected to the signal input part of controller 63, the signal output end of the controller 63 respectively with electric air pump I 51, alarm device I 65 and display 64 signal input part be connected；Air pressure in appendix I 31 can characterize the filling degree of sacculus I 21, and air pressure is got over It is big to indicate that sacculus I 21 expands more abundant, therefore I 21 size of sacculus is adjusted by the control of monitoring and inflation to air pressure, It is also similarly for sacculus II 22；Two inlet ends of the four-way II 62 are separately connected outlet side and the hand of electric air pump II 52 It takes offence the outlet side of pump I 41, two inlet ends of the four-way II 62 are separately connected appendix II 32 and one for real-time detection The baroceptor II 72 of air pressure in appendix II 32；The signal output end of the baroceptor II 72 is connected to controller 63 Signal input part, the signal output end of the controller 63 respectively with the signal of electric air pump II 52 and alarm device II 66 input End is connected；Air pressure size measured by baroceptor I 71, baroceptor II 72 can be shown in display 64, from And it is observed at any time convenient for medical staff；Be additionally provided with control threshold in controller 63, when air pressure reaches threshold value, controller 63 to Electric air pump I 51, electric air pump II 52 issue stop signal, while issuing enabling signal to alarm device I 65 and alarm device II 66, To remind medical staff, to can effectively avoid excessive inflation, operation safety is substantially increased.

In the present embodiment, the inflation system further includes a host 67 for being equipped with control button 68, the display 64, police Report device I 65 and alarm device II 66 are installed on host 67；Cushion chamber 67a is equipped in the host 67, in the cushion chamber 67a Equipped with can be along the sliding panel 69 that cushion chamber 67a is slided up and down, the bottom of the electric air pump I 51 and electric air pump II 52 be in cunning On movable plate 69；Host 67 installs the main body of inflation system component, is conducive to the densification of system, is readily transported and uses；Control Device 63 is located in host 67, and control button is connected with controller 63, can carry out active control to inflation system by control button； Electrical component in inflation system can be powered by alternating current；The section of cushion chamber 67a can be rectangular or round；Sliding panel 69 shape then with cushion chamber 67a adapt to, the settable sliding rail of the inner wall of cushion chamber 67a, sliding panel 69 installation on the slide rail with into Row has sliding up and down for guiding；Electric air pump I 51 and electric air pump II 52 are easy to produce vibration and displacement at work, are set Vibration can be buffered in cushion chamber 67a, to reduce noise when its work, and elongate member service life.

In the present embodiment, the sliding panel 69 is positioned at cushion chamber 67a by buffer gear；Buffer gear is cushion chamber The buffer unit of 67a；The buffer gear includes the first assembly and branch for being respectively supported at sliding panel 69 bottom four edge Support the second component in 69 bottom centre of sliding panel；The first assembly includes guide cylinder 801, guide post 802 and spring I 803, The spring I 803 is placed in guide cylinder 801, and 69 bottom of sliding panel is fixed in the upper end of the guide post 802, lower end is coaxially stretched Enter guide cylinder 801 and is fixedly connected with spring I 803；Second component includes including upper bracket 804, lower bracket 805, first Connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 and spring II 810；The upper bracket 804 is fixed on cunning 69 bottom of movable plate, the lower bracket 805 are fixed on the bottom surface cushion chamber 67a；The upper bracket 804, first connecting rod 806, second connect Bar 807 and lower bracket 805 are successively hinged, and the upper bracket 804, third connecting rod 808, fourth link 809 and lower bracket 805 are successively Hingedly, so that first connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 form planar pivot four-bar mechanism, And the spring II 810 is located inside planar pivot four-bar mechanism in a manner of being parallel to horizontal plane；Electric air pump I 51 and electronic The vibration that air pump II 52 generates is transferred to sliding panel 69, and when sliding panel 69 moves downward, spring I 803 is let out by compressive deformation Pressure, first connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 move outward, at this time four bar of plane hinge Deformation occurs for mechanism, and spring II 810 is stretched；Under the effect of the elasticity recovery of spring I 803 and spring II 810, first connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 are moved inward and are gradually resetted, thus farthest to vibration It is dynamic to be buffered, it effectively prevents influencing system precision due to the component of inflation system is connected and loosened.

Finally, it is stated that applying herein, a specific example illustrates the principle and implementation of the invention, with The explanation of upper embodiment is merely used to help understand the core idea of the present invention, without departing from the principles of the present invention, also Can several improvements and modifications are made to the present invention, these improvement and modification are also fallen within the scope of the present invention.

Claims

1. A blocking device for aortic surgery, characterized in that: it includes an insertion system that can be inserted into the aortic blood conduction hole of a human body; the insertion system includes catheters, Balloon I, balloon II, air delivery tube I and air delivery tube II; the upper and lower ends of the catheter are provided with openings, the balloon I is sealed and connected to the position close to the upper opening of the catheter, and the balloon II is sealed and connected At the position near the opening of the lower end of the catheter; both the balloon I and the balloon II are inflatable and inflatable and block the blood conduction hole after inflation, the balloon I is connected with the airway I, and the balloon Sac II communicates with trachea II.

2 . The blocking device for aortic surgery according to claim 1 , wherein the balloons I and II are both ellipsoidal. 3 .

3 . The occluding device for aortic surgery according to claim 1 , characterized in that: the balloons I and II are provided with developing marks. 4 .

4. The blocking device for aortic surgery according to claim 1, characterized in that: the diameter of the catheter is 6mm-10mm; the diameter of the balloon I and balloon II when fully inflated is 40mm -50mm.

5. The blocking device for aortic surgery according to any one of claims 1 to 4, characterized in that: the blocking device also includes an inflation system, and the inflation system controls the inflation of the balloon I through the air delivery tube I. Inflation and deflation, the inflation system controls the inflation and deflation of the balloon II through the air delivery pipe II.

6. The blocking device for aortic surgery according to claim 5, characterized in that: the inflation system includes a manual air pump I and a manual air pump II, and the manual air pump I is connected to the balloon I through the air delivery tube I , the manual air pump II is connected with the balloon II through the air delivery tube II.

7. The occluding device for aortic surgery according to claim 6, characterized in that: the inflation system also includes an electric air pump I and an electric air pump II, and the electric air pump I and the manual air pump I are connected in parallel and then passed The trachea I is connected with the balloon I, and the electric air pump II is connected with the manual air pump II in parallel and then connected with the balloon II through the air delivery pipe II.

8. The blocking device for aortic surgery according to claim 7, characterized in that: the inflation system further includes four-way I, four-way II, controller, display, alarm I and alarm II;

The two inlet ends of the four-way I are respectively connected to the air outlet of the electric air pump I and the air outlet of the manual air pump I, and the two air inlet ends of the four-way I are respectively connected to the air pipe I and a pipe for real-time detection. The air pressure sensor I of the air pressure in the trachea I; the signal output end of the air pressure sensor I is connected to the signal input end of the controller, and the signal output end of the controller is respectively connected to the signal input end of the electric air pump I, the alarm I and the display connected;

The two air inlets of the four-way II are respectively connected to the air outlet of the electric air pump II and the air outlet of the manual air pump I, and the two air inlets of the four-way II are respectively connected to the air pipe II and a real-time detection output pipe. Air pressure sensor II for air pressure in the air pipe II; the signal output end of the air pressure sensor II is connected to the signal input end of the controller, and the signal output end of the controller is respectively connected to the signal input ends of the electric air pump II and the alarm II.

9. The blocking device for aortic surgery according to claim 8, characterized in that: the inflation system also includes a host with control buttons, and the display, alarm I and alarm II are all installed On the main engine; the main engine is provided with a buffer cavity, and the buffer cavity is provided with a sliding plate that can slide up and down along the buffer cavity, and the bottoms of the electric air pump I and the electric air pump II are both on the sliding plate.

10. The blocking device for aortic surgery according to claim 9, characterized in that: the sliding plate is positioned in the buffer cavity through a buffer mechanism; the buffer mechanism includes four corners respectively supported on the bottom of the sliding plate The first assembly at the center of the bottom of the slide plate and the second assembly supported on the bottom center of the sliding plate; the first assembly includes a guide cylinder, a guide column and a spring I, the spring I is placed in the guide cylinder, and the upper end of the guide column is fixed on the slide The bottom and lower end of the plate coaxially extend into the guide cylinder and are fixedly connected with the spring I; the second component includes an upper bracket, a lower bracket, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and Spring II; the upper bracket is fixed on the bottom of the sliding plate, and the lower bracket is fixed on the bottom surface of the buffer cavity; the upper bracket, the first connecting rod, the second connecting rod and the lower bracket are hinged sequentially, and the upper bracket, the third The connecting rod, the fourth connecting rod and the lower bracket are sequentially hinged so that the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a planar hinge four-bar mechanism, and the spring II is parallel to the horizontal plane. The mode is located inside the planar hinge four-bar mechanism.