CN113017758A - Blocking device for aorta operation - Google Patents
Blocking device for aorta operation Download PDFInfo
- Publication number
- CN113017758A CN113017758A CN202110259235.2A CN202110259235A CN113017758A CN 113017758 A CN113017758 A CN 113017758A CN 202110259235 A CN202110259235 A CN 202110259235A CN 113017758 A CN113017758 A CN 113017758A
- Authority
- CN
- China
- Prior art keywords
- blood
- clamping
- occlusion device
- flow
- loosening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
Abstract
The invention relates to the field of medical instruments, and particularly discloses a blocking device for an aortic operation, which comprises two blood blocking clamps and a flow tube; the blood blocking clamp comprises two clamping arms which are hinged with each other, one opposite side surfaces of the two clamping arms are respectively provided with a clamping part and a loosening part, the two clamping parts are used for being clamped outside a blood vessel in a matched mode to block blood flow, and the two loosening parts are used for being matched with the clamped blood vessel to form a loosening opening through which blood can flow; the upper end and the lower end of the circulating tube can be positioned at the loose opening, so that the inner cavity of the circulating tube becomes a circulating pore passage for blood to flow. The invention can supply blood for the viscera at the far end when the artificial blood vessel is anastomosed.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a blocking device for an aortic operation.
Background
The blood vessels and their branches from human ventricles are called arteries, which transport the blood in the ventricles to organs and tissues of the whole body; the arteries and their branches emanating from the left ventricle carry arterial blood that is saturated with oxygen, while the arteries and their branches emanating from the right ventricle carry venous blood. According to the size of the artery diameter, it can be divided into large, medium, small and micro-four stages, and they have no obvious boundary in mutual moving, and their common basic structure is formed from internal, medium and external three-layer films. The aorta generally refers to aorta, pulmonary artery, innominate artery, common carotid artery, subclavian artery, common iliac artery and femoral artery, etc., the media layer of the wall of such artery is thickest, mainly consists of elastic membrane (about 40-70 layers for adults) formed by a large amount of elastic fibers and annular smooth muscle, etc., so the elasticity of the wall of the artery is large, also called elastic artery, which can buffer the strong pressure generated during the contraction of the heart and promote the blood to continue to flow directionally by means of the elastic retraction during the diastole of the heart.
The main operation steps of the aortic surgery relate to cutting and suturing of blood vessels, a blocking clamp is generally needed to block the blood vessels in the process of cutting, excising diseased blood vessels and anastomosing artificial blood vessels, the blocked distal organs (the organs which are possibly ischemic according to different operation ranges comprise spines, livers, kidneys, intestinal tracts, double lower limbs and the like) have no blood supply, and if the ischemia time is long, under severe conditions, complications such as organ necrosis, renal function injury and the like can occur, so that the life is threatened.
Therefore, in order to solve the above problems, there is a need for an occlusion device for aortic surgery that can maintain blood supply to a distal organ, i.e., can supply blood to the distal organ when anastomosing an artificial blood vessel.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a blocking device for aortic surgery, which can maintain blood supply to a distal organ, i.e., can supply blood to the distal organ when anastomosing an artificial blood vessel.
In order to achieve the aim, the invention provides a blocking device for aorta operation, which comprises two blood blocking clamps and a flow tube; the blood blocking clamp comprises two clamping arms which are hinged with each other, one opposite side surfaces of the two clamping arms are respectively provided with a clamping part and a loosening part, the two clamping parts are used for being clamped outside a blood vessel in a matched mode to block blood flow, and the two loosening parts are used for being matched with the clamped blood vessel to form a loosening opening through which blood can flow; the upper end and the lower end of the circulating tube can be positioned at the loose opening, so that the inner cavity of the circulating tube becomes a circulating pore passage for blood to flow.
As a further improvement to the technical scheme, the loosening part is an arc-shaped concave notch formed by the inward concave of the clamping arms, and the concave notches on the two clamping arms are matched and butted.
As a further improvement to the technical scheme, the concave notch is semicircular.
As a further improvement to the above technical solution, an arc-shaped projection protruding outward is integrally disposed on the clamping arm, and the slack portion extends into the arc-shaped projection.
As a further improvement to the above technical solution, a flexible deformable capsule is fixed to the slack portion, and an inner cavity of the deformable capsule is inflatable by filling fluid; and the deformed capsule can fill the concave notch after being fully expanded so as to prevent a loose opening from being formed in the clamped blood vessel between the two loose parts.
As a further improvement to the above technical solution, the device further comprises a fluid pump, and the fluid pump is connected with the deformable capsule through a fluid pipeline.
As a further improvement to the technical scheme, the slack part is arranged in the middle of the clamping arm.
As a further improvement to the technical scheme, the rear end of the clamping arm is connected with an operating handle, so that the blood blocking clamp forms a clamp type structure.
As a further improvement to the above technical scheme, the upper and lower ends of the flow tube are both provided with hard fixed cylinders, and the fixed cylinders can be clamped and positioned after two concave notches on the same blood-blocking clamp are in matched butt joint; the pipe body part between the two fixed cylinders is of a telescopic threaded hose structure.
As a further improvement to the technical proposal, the circulating pipe is connected with a pulling line.
Compared with the prior art, the invention has the following beneficial technical effects:
the aortic surgery blocking device provided by the invention can maintain the blood supply at the far end, namely, the device can supply blood for the visceral organs at the far end when the artificial blood vessel is anastomosed; specifically, because the clamping arm action surface of the blood blocking clamp is provided with the clamping part and the loosening part, in the pathological blood vessel transection stage, the blood flow of the aorta vessel can be blocked by the clamping action of the clamping part firstly, in the artificial blood vessel anastomosis stage after transection, a loosening port can be formed in the clamped blood vessel by the loosening part, meanwhile, the two loosening ports are communicated through the circulating pipe, the circulating pipe can be used as a blood channel temporarily and supplies blood for a far-end organ, the circulating pipe is taken out after anastomosis is completed, and finally the blood blocking clamp is loosened, so that the operation can be completed smoothly.
By the invention, the blood supply at the far end can be maintained in most of the time of the aortic operation process, thereby greatly reducing the incidence rate of postoperative complications, improving the survival rate of patients and promoting the further development of cardiac surgery.
Drawings
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is a schematic structural view of the blood-blocking clip of the present invention;
fig. 3 is a schematic view of the structure of the flow-through tube of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments; of course, the drawings are simplified schematic drawings, and the scale of the drawings does not limit the patented products.
Examples
As shown in fig. 1 to 3: the embodiment provides an occlusion device for aorta operation, which comprises two blood blocking clamps 1 and a circulating tube 2; the blood blocking clamp 1 comprises two clamping arms 3 which are hinged with each other, one opposite side surfaces of the two clamping arms 3 are respectively provided with a clamping part 4 and a loosening part 5, the two clamping parts 4 are used for being clamped outside a blood vessel in a matching way to block blood flow, and the two loosening parts 5 are used for being matched to form a loosening opening for blood to flow through in the clamped blood vessel; the upper end and the lower end of the circulation tube 2 can be positioned at the loose opening, so that the inner cavity of the circulation tube 2 becomes a circulation pore canal for blood flow.
The two blood blocking clamps 1 are respectively used corresponding to two pre-fracture ends of a aorta vessel 9, and block the original blood circulation in a clamping mode so as to realize the blood vessel transection, and the principle is the same as that of the existing blocking clamp; the rear ends of the two clamping arms 3 can be connected through a rotating shaft, the two clamping arms 3 can rotate relatively, and can be in a V shape in an opened state; in addition, the blood-blocking clamp 1 can be close to the existing blocking clamp in structure, and the rear end of the clamping arm 3 is connected with an operating handle 15, so that the blood-blocking clamp 1 forms a clamp type structure, and is convenient for doctors to operate; the inner sides of the two clamping arms 3 are opposite, and the clamping part 4 and the loosening part 5 are arranged on the inner sides of the clamping arms 3.
The circulation tube 2 is used for blood to flow; in use, the two ends of the flow tube 2 are positioned corresponding to the two blood-blocking clips 1 respectively, and temporarily replace the broken part of the intersected blood vessel so as to allow blood to flow through.
This embodiment provides a blocking device for aorta operation, because the arm lock 3 active side of blocking blood clamp 1 is provided with clamping part 4 and lax portion 5, in pathological change blood vessel transection stage, can block the blood flow of aorta blood vessel through the clamping action of clamping part 4 earlier, and in the anastomotic stage of artificial blood vessel 8 after the transection, accessible lax portion 5 forms lax mouthful in the blood vessel by the centre gripping, make two lax mouthful intercommunication simultaneously through runner pipe 2, runner pipe 2 can be regarded as blood passageway temporarily, for distal end viscera blood supply, take out runner pipe 2 after the completion of the coincide, loosen at last and block blood clamp 1, can accomplish the operation smoothly.
In this embodiment, the slack portion 5 is an arc-shaped concave gap formed by recessing the inner side surface of the clamping arm 3 outwards (i.e. towards the outer side surface of the clamping arm 3), and the concave gaps on the two clamping arms 3 are in fit butt joint; the clamping part 4 is of a plane or sawtooth surface structure; the loose part 5 can be arranged at the front end and the rear end of the inner side surface of the clamping arm 3 or at any other positions; when the clamping part 4 and the relaxation part 5 are used for clamping a blood vessel together, due to the existence of the concave notch, the elastic blood vessel expands and expands the part close to the concave notch under the action of blood pressure, so that the blood vessel between the two concave notches forms a relaxation opening (namely an inflow opening and an outflow opening of blood), and at the moment, the circulation of the blood can be realized only by placing the circulation tube 2 between the two relaxation openings; the radian and the size of the concave notch can be determined according to the requirement; preferably, the concave notch is semicircular, and a circular through hole can be formed by matching the two concave notches.
In this embodiment, an arc-shaped protrusion 6 protruding outward is integrally disposed on the clamping arm 3, and the slack portion 5 extends into the arc-shaped protrusion 6; the thickness of the arc-shaped projection 6 is the same as that of the clamping arm 3, so that the structural strength of the blood-blocking clamp 1 can be prevented from being reduced due to the arrangement of the loose part 5; the arc-shaped projection 6 and the clamping arm 3 are integrally formed, so that the structural strength of the blood blocking clamp 1 is further improved; the arc of the arc-shaped projection 6 can be the same as the arc of the concave notch.
In this embodiment, a flexible deformable capsule 7 is fixed to the slack part 5, and an inner cavity of the deformable capsule 7 can be inflated by filling fluid; the deformation capsule 7 can fill the concave gap after being fully expanded so as to prevent a relaxation opening from being formed in the clamped blood vessel between the two relaxation parts 5; the deformable capsule 7 can for example adopt a silicone structure; the deformable capsule 7 is hollow inside as a cavity for storing fluid; the fluid may be a gas or a liquid, preferably physiological saline. The deformation capsule 7 is a great improvement of the device, the concave notch can be temporarily closed by the expansion and filling action of the deformation capsule 7, and the blood blocking clamp 1 only has the blood blocking action on the whole and cannot form a loose opening in a diseased blood vessel so as to facilitate the cutting of the blood vessel; after cutting off, the sealing of the concave notch can be released only by pumping out the fluid in the deformation capsule 7 without excessively loosening the clamping part 4, so that the connection of the circulating tube 2 is facilitated, and excessive blood leakage is prevented; the slack 5 can be provided in the middle of the arms 3 due to the presence of the deformation capsule 7.
In the embodiment, in order to realize the expansion and contraction of the deformable capsule 7, the device is also provided with a fluid pump feeder 10, and the fluid pump feeder 10 is connected with the deformable capsule 7 through a fluid pipeline 11; the fluid pump device 10 may be, for example, an air pump or an infusion pump, in which a corresponding fluid is stored, which, when activated, can deliver the fluid to the deformable capsule 7 or withdraw the fluid from the deformable capsule 7; one end of the fluid conduit 11 communicates with the deformable capsule 7 and the other end communicates with the output end of the fluid pump feeder 10.
In this embodiment, the upper and lower ends of the flow tube 2 are both provided with hard fixed cylinders 12, and the fixed cylinders 12 can be clamped and positioned after two concave notches on the same blood-blocking clamp 1 are in fit butt joint; the body part between the two fixed cylinders 12 is a telescopic threaded hose structure. The fixed cylinder 12 can be fixedly sleeved outside the pipe body; the stationary barrel 12 is made of a non-deformable rigid material, such as stainless steel or hard plastic; the fixed cylinder 12 can be inserted into the part between the two concave notches in the blood vessel and is positioned by clamping the two concave notches, and the flexibility of the deformation capsule 7 can play a role in sealing, thereby being beneficial to preventing blood leakage accidents; the fixed cylinder 12 may be a cylinder structure or a hyperboloid structure, and the hyperboloid structure is more favorable for the stable positioning thereof. The threaded hose 13 between the two fixed cylinders 12 facilitates the extension and retraction and the displacement of the flow-through pipe 2.
In this embodiment, the circulation pipe 2 is connected with a pulling wire 14; the pulling wire 14 is used for pulling out the circulating pipe 2; at the final stage of the anastomosis of the artificial blood vessel 8, the blood is completely blocked by the clamping action, then the circulating tube 2 is quickly pulled out by the pull-up wire 14 exposed outside, and after the final anastomosis step is finished, the blood blocking clamp 1 can be loosened to finish the operation.
Finally, the principle and embodiments of the present invention are explained by using specific examples, and the above descriptions of the examples are only used to help understand the core idea of the present invention, and the present invention can be modified and modified without departing from the principle of the present invention, and the modified and modified examples also fall into the protection scope of the present invention.
Claims (10)
1. An occlusion device for aortic surgery, comprising:
comprises two blood-blocking clamps and a flow tube; the blood blocking clamp comprises two clamping arms which are hinged with each other, one opposite side surfaces of the two clamping arms are respectively provided with a clamping part and a loosening part, the two clamping parts are used for being clamped outside a blood vessel in a matched mode to block blood flow, and the two loosening parts are used for being matched with the clamped blood vessel to form a loosening opening through which blood can flow; the upper end and the lower end of the circulating tube can be positioned at the loose opening, so that the inner cavity of the circulating tube becomes a circulating pore passage for blood to flow.
2. The occlusion device of claim 1, wherein:
the relaxation part is an arc-shaped concave notch formed by the inward concave of the clamping arms, and the concave notches on the two clamping arms are matched and butted.
3. The occlusion device of claim 2, wherein:
the concave notch is semicircular.
4. The occlusion device of claim 2, wherein:
an arc-shaped convex block protruding outwards is integrally arranged on the clamping arm, and the loose part extends into the arc-shaped convex block.
5. The occlusion device for aorta operation according to any one of claims 2 to 4, wherein:
a flexible deformation capsule is fixed on the relaxation part, and the inner cavity of the deformation capsule can be filled with fluid to expand; and the deformed capsule can fill the concave notch after being fully expanded so as to prevent a loose opening from being formed in the clamped blood vessel between the two loose parts.
6. The occlusion device, as claimed in claim 5, wherein:
the device also comprises a fluid pump, wherein the fluid pump is connected with the deformable capsule through a fluid pipeline.
7. The occlusion device, as claimed in claim 5, wherein:
the slack part is arranged in the middle of the clamping arm.
8. The occlusion device of claim 1, wherein:
the rear end of the clamping arm is connected with an operating handle, so that the blood blocking clamp forms a clamp type structure.
9. The occlusion device, as claimed in claim 5, wherein:
hard fixed cylinders are arranged at the upper end and the lower end of the circulating pipe, and the fixed cylinders can be clamped and positioned after two concave notches on the same blood blocking clamp are matched and butted; the pipe body part between the two fixed cylinders is of a telescopic threaded hose structure.
10. The occlusion device of claim 1, wherein:
the circulating pipe is connected with a pulling line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110259235.2A CN113017758A (en) | 2021-03-10 | 2021-03-10 | Blocking device for aorta operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110259235.2A CN113017758A (en) | 2021-03-10 | 2021-03-10 | Blocking device for aorta operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113017758A true CN113017758A (en) | 2021-06-25 |
Family
ID=76468974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110259235.2A Pending CN113017758A (en) | 2021-03-10 | 2021-03-10 | Blocking device for aorta operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113017758A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624454A (en) * | 1994-07-31 | 1997-04-29 | Palti; Yoram | Padded vascular clamp |
| CN201350089Y (en) * | 2009-02-17 | 2009-11-25 | 傅晓辉 | Vascular blockage clamp for selectively blocking hepatic blood inflow |
| CN210302000U (en) * | 2019-04-15 | 2020-04-14 | 中南大学湘雅二医院 | Diversion pipe with fixing device |
| WO2020131560A1 (en) * | 2018-12-17 | 2020-06-25 | Baptist Health South Florida, Inc. | Vascular shunt |
-
2021
- 2021-03-10 CN CN202110259235.2A patent/CN113017758A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624454A (en) * | 1994-07-31 | 1997-04-29 | Palti; Yoram | Padded vascular clamp |
| CN201350089Y (en) * | 2009-02-17 | 2009-11-25 | 傅晓辉 | Vascular blockage clamp for selectively blocking hepatic blood inflow |
| WO2020131560A1 (en) * | 2018-12-17 | 2020-06-25 | Baptist Health South Florida, Inc. | Vascular shunt |
| CN210302000U (en) * | 2019-04-15 | 2020-04-14 | 中南大学湘雅二医院 | Diversion pipe with fixing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7063710B2 (en) | Intracardiac suture device | |
| CN2933337Y (en) | Arteria covering membrane supporter capable of positioning release accurately and its conveyor | |
| DK168517B1 (en) | Right heart chamber auxiliary device | |
| US6086557A (en) | Bifurcated venous cannula | |
| JP4681190B2 (en) | Device for controlling extravascular bleeding | |
| US20070208210A1 (en) | Method and apparatus to unload a failing heart | |
| US20100161040A1 (en) | Cardiovascular valve and valve housing apparatuses and systems | |
| JPH06277278A (en) | Perfusion cannula and girdle and trocar used for it | |
| JPH03503966A (en) | Catheter for retrograde venous cardiac arrest and its manufacturing method | |
| CN208573789U (en) | Total aortic arch replacement and bracket elephant trunk technique aorta clamping device | |
| JP2012511364A (en) | Beatable medical device designed for use in extracorporeal surgery | |
| WO2001097879A1 (en) | Apparatus and method for perfusing the kidney with venous blood | |
| CN214857120U (en) | Blocking assembly capable of maintaining distal blood supply for aortic surgery | |
| JP2023554647A (en) | Venous and arterial compliance restoration | |
| CN113017758A (en) | Blocking device for aorta operation | |
| US6626872B1 (en) | Perfusion cannula | |
| CN111281463A (en) | Perfusion flow guiding device for avoiding deep low temperature stop circulation in aortic total-arch replacement | |
| CN109758198A (en) | A kind of zero ischemic arteria renalis blocking mechanism | |
| Hammel | The Norwood operation with innominate artery and descending aortic cannulation, performed with continuous mildly hypothermic bypass | |
| Anyanwu et al. | Off-pump implant of the Jarvik 2000 ventricular assist device through median sternotomy | |
| CN111658228A (en) | Artificial blood vessel for overturning anastomosis | |
| CN204073060U (en) | The arterial perfusion intubate that a kind of blood flow distributes and regulates | |
| CN212490252U (en) | Artificial blood vessel for overturning anastomosis | |
| CN219070473U (en) | Intravascular occlusion device and vascular occlusion system | |
| CN205494635U (en) | Novel a two -chamber artery pouring guide pipe that is used for external membrane lung oxygenate organ protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |