CN114446107B

CN114446107B - Microsurgery bionic blood vessel anastomosis training device

Info

Publication number: CN114446107B
Application number: CN202210097517.1A
Authority: CN
Inventors: 尹永硕; 于志勇; 冠潇
Original assignee: Cancer Hospital of Shandong First Medical University
Current assignee: Cancer Hospital of Shandong First Medical University
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2023-01-10
Anticipated expiration: 2042-01-27
Also published as: CN114446107A

Abstract

The invention discloses a microsurgery bionic blood vessel anastomosis training device which comprises a bionic blood vessel, a simulated muscle base, a circulating communicating pipe, a micro-pump, a liquid storage bag, a first conversion joint, a second conversion joint and a conical blood vessel fixing clamp, wherein the circulating communicating pipe, the micro-pump, the liquid storage bag, the first conversion joint, the second conversion joint and the conical blood vessel fixing clamp are arranged in the simulated muscle base; according to the invention, in the actual combat scene of simulating the microsurgery operation, a microsurgery operation training staff can perform repeated anastomosis training on the bionic blood vessel for many times, and the success or failure of anastomosis is checked by means of a micro-pump circulating system, so that the aim of improving the microsurgery blood vessel anastomosis technical level is fulfilled.

Description

Microsurgery bionic blood vessel anastomosis training device

Technical Field

The invention relates to the technical field of microsurgical operation training devices, in particular to a microsurgical bionic vascular anastomosis training device.

Background

Microsurgery is an independent subject and is utilized by multiple subjects. After the orthopedic surgery accepts the microsurgery theory and technology, the tiger is added to the wing, so that the orthopedic surgery has wider development space. In recent years, the application range of each specialty of the microsurgery is further expanded by repairing the free tissue valve in the microsurgery, and the important position of the microsurgery is highlighted by taking the microsurgery anastomosis technology as the basis of the microsurgery.

With the recent global update of cancer data in 2020, breast cancer replaces lung cancer with the highest incidence globally. The surgical treatment mode of the breast cancer is gradually changed from the maximum tolerable treatment to the minimum effective treatment, so that the requirements of a patient group are promoted to meet the requirements of curing the breast cancer, and the requirements on the postoperative cosmetic repair of the breast cancer are increased day by day. The microvascular anastomosis technique is more and more favored by doctors in mammary gland specialty and plastic specialty of all levels of medical institutions as a relevant shaping technique of oncology after breast cancer operation, namely one of basic techniques for self-breast repair and reconstruction. Therefore, the popularization and training of the microscopic vascular anastomosis technology become a necessary way for various hospitals to overcome technical difficulties at present, and a perfect learning curve is laid for the microscopic technology and even the ultra-microscopic technology.

At present, training devices for microscopic blood vessels in the market are not found, and only some blood vessel anastomosis devices commonly used in operations exist, for example, a blood vessel and lymphatic vessel anastomosis sleeve device for microsurgery disclosed as CN112294381A and a blood vessel anastomosis auxiliary device disclosed as CN213249406U are surgical instruments with complex structures, so that the training device is inconvenient for trained personnel to operate, and the manufacturing cost is high, and the training requirements cannot be met.

Therefore, in order to solve the above problems, the present invention provides a training device for microsurgery bionic vascular anastomosis, which solves the problems of high training cost and low training efficiency.

Disclosure of Invention

The invention aims to provide a bionic vascular anastomosis training device for microsurgery, which achieves the purposes of reducing training cost and improving training efficiency.

In order to achieve the purpose, the invention provides the following scheme:

the utility model provides a microsurgery bionical blood vessel training set that coincide, includes bionical blood vessel, simulation muscle base and sets up circulation communicating pipe, micropump, first crossover sub and the second crossover sub in the simulation muscle base, circulation communicating pipe is fixed on the simulation muscle base and make the both ends of circulation communicating pipe extend simulation muscle base, first crossover sub and second crossover sub set up respectively circulation communicating pipe both ends and with circulation communicating pipe intercommunication, bionical blood vessel both ends respectively with first crossover sub with second crossover sub intercommunication, the micropump is used for controlling the flow of the intraductal blood of circulation communicating.

Preferably, still include the reservoir, the reservoir setting is being close to first conversion head circulation on communicating pipe and with circulation communicating pipe intercommunication, the reservoir with the junction of first conversion head is provided with and is used for controlling the switch of circulation communicating pipe switching.

Preferably, the reservoir is oval and is made of transparent silica gel.

Preferably, the biomimetic blood vessel comprises an arterial biomimetic blood vessel and a venous biomimetic blood vessel of an animal.

Preferably, the first adapter and the second adapter both include a conical stylet and a conical blood vessel fixing clamp, a first external thread connected with the circulation communicating pipe is arranged on the outer surface of the enlarged end of the conical stylet, a second external thread matched with the conical blood vessel fixing clamp is arranged on the outer surface of the reduced end of the conical stylet, and the bionic blood vessel is communicated with the conical stylet and clamped between the conical blood vessel fixing clamp and the second external thread.

Preferably, an adjusting spring is further arranged between the conical blood vessel fixing clamp and the first conversion joint.

Preferably, the pumping pressure of the micro-pump is 15kpa to 18kpa.

Preferably, an expansion sleeve is arranged between the conical needle core and the circulating communicating pipe, one end of the expansion sleeve is connected with the expanded end of the conical needle core, and the other end of the expansion sleeve is communicated with the circulating communicating pipe.

Preferably, the device also comprises an opening and closing cover for storing the simulated muscle base.

Preferably, at least one blood circulation system is arranged on the simulated muscle base.

Compared with the prior art, the invention has the following technical effects:

1. when the blood pressure simulator is used, before training personnel operate, the bionic blood vessel is communicated with the circulation communicating pipe through the adapter, then the micro-pump is started and the blood pressure of a human body is simulated, so that the pressure in the circulation communicating pipe is consistent with the blood pressure of the human body, and the connector is well sealed after the bionic blood vessel is installed; after the micro-pump is closed, training personnel can perform segmental disconnection parallel microsurgery anastomosis operation on the bionic blood vessel, after multi-segment blood vessel anastomosis is completed, a micro-pump switch is turned on, the anastomosis effect is detected, whether leakage exists or not is observed, and anastomosis correction is performed according to the situation; the identical training of the bionical blood vessel in the curve of learning is constantly carried out to reach the mesh that progressively promotes microsurgery blood vessel technique level of coincide, simultaneously, the detachable mode of setting up of bionical blood vessel has not only reduced the training cost, has also improved the efficiency of training personnel's training.

2. The liquid storage bag is arranged on a circulating communicating pipe close to the first conversion head and communicated with the circulating communicating pipe, and a switch for controlling the opening and closing of the circulating communicating pipe is arranged at the joint of the liquid storage bag and the first conversion head; make the blood in the circulation communicating pipe reach the purpose of buffering before getting into bionical blood vessel, weaken the impact that the micro-pump produced, and then guarantee to enter into the even stable purpose of blood in the bionical blood vessel, in addition, the setting of switch is used for controlling the switching of circulation communicating pipe.

3. The bionic blood vessel comprises an artery bionic blood vessel and a vein bionic blood vessel which can be replaced or artery and vein blood vessels of anatomical animals can be replaced, and then double training of artery bionic blood vessel and vein bionic blood vessel anastomosis operation is completed.

4. The invention also comprises an opening and closing cover for storing the simulated muscle base, which is convenient for moving and storing the bionic vascular anastomosis training device for microsurgery.

Drawings

In order to more clearly illustrate the present invention or technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a microsurgical bionic vascular anastomosis training device;

FIG. 2 is a front view of a microsurgical biomimetic vascular anastomosis training device;

FIG. 3 is a schematic structural view of the junction between the conical needle core and the circulating pipe;

FIG. 4 is a schematic structural view of a conical core;

FIG. 5 is a schematic structural view of a tapered blood vessel retaining clip;

wherein, 1, circulating communicating pipes; 2. a reservoir; 3. a micro-pump; 4. a conical stylet; 5. a tapered blood vessel fixation clamp; 6. a power switch; 7. an enlarged end; 8. a reduction end; 9. a first external thread; 10. a second external thread; 11. a switch; 12. a telescopic sleeve; 13. the spring is adjusted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 5, a microsurgery bionic blood vessel anastomosis training device comprises a bionic blood vessel, a simulated muscle base, and a circulation communicating pipe 1, a micro-pump 3, a first adapter and a second adapter which are arranged in the simulated muscle base, wherein the circulation communicating pipe 1 is fixed on the simulated muscle base and two ends of the circulation communicating pipe 1 extend out of the simulated muscle base, the first adapter and the second adapter are respectively arranged at two ends of the circulation communicating pipe 1 and are communicated with the circulation communicating pipe 1, two ends of the bionic blood vessel are respectively communicated with the first adapter and the second adapter, and the micro-pump 3 is used for controlling the flow of blood in the circulation communicating pipe 1; before the training personnel operate, firstly, the bionic blood vessel is communicated with the circulation communicating pipe 1 through the adapter, then the micro-pump 3 is started and the blood pressure of a human body is simulated, so that the pressure in the circulation communicating pipe 1 is consistent with the blood pressure of the human body, after the micro-pump 3 is closed, the training personnel disconnect the bionic blood vessel in sections and perform concurrent microsurgical anastomosis operation, after the multi-section blood vessel anastomosis is completed, the switch 11 of the micro-pump 3 is opened, the anastomosis effect is detected, whether the blood vessel leaks or not is observed, and the anastomosis correction is performed in a targeted manner. The training that coincide of the bionical blood vessel in the curve is learnt to the continuous training that goes on to reach the mesh that the microsurgery blood vessel that progressively promotes technique level that coincide, simultaneously, the detachable mode that sets up of bionical blood vessel has not only reduced the training cost, has also improved the efficiency of training personnel's training.

Referring to fig. 1 to 2, the liquid storage device further comprises a liquid storage bag 2, the liquid storage bag 2 is arranged on the circulation communication pipe 1 close to the first conversion head and is communicated with the circulation communication pipe 1, and a switch 11 for controlling the opening and closing of the circulation communication pipe 1 is arranged at the joint of the liquid storage bag 2 and the first conversion head; make the blood in circulation communicating pipe 1 reach the purpose of buffering before getting into bionical blood vessel, weaken the impact that micro-pump 3 produced, and then guarantee to enter into the even stable purpose of blood in the bionical blood vessel, in addition, the setting of switch 11 is used for controlling the opening and closing of circulation communicating pipe 1.

Further, the reservoir 2 is oval, the accumulation of the interior liquid of reservoir 2 of being convenient for, and the transparent silica gel material also makes things convenient for the training personnel to observe the inside liquid condition of reservoir 2 simultaneously.

Furthermore, the bionic blood vessel comprises an artery bionic blood vessel and a vein bionic blood vessel of an animal, or the artery and vein blood vessels of various calibers of an anatomical animal are used for replacing the artery bionic blood vessel and the vein bionic blood vessel, and then double training of the artery bionic blood vessel and vein bionic blood vessel anastomosis operation is completed.

Referring to fig. 1 to 5, the first adapter and the second adapter both include a tapered stylet 4 and a tapered blood vessel fixing clip 5, a first external thread 9 connected to the circulation communicating tube 1 is disposed on an outer surface of an enlarged end 7 of the tapered stylet 4, a second external thread 10 matched with the tapered blood vessel fixing clip 5 is disposed on an outer surface of a reduced end 8 of the tapered stylet 4, the bionic blood vessel is communicated with the tapered stylet 4 and is clamped between the tapered blood vessel fixing clip 5 and the second external thread 10, further, a pitch of the first external thread 9 is greater than a pitch of the second external thread 10, the pitch of the first external thread 9 is 2mm to 2.5mm, and a pitch of the second external thread 10 is 0.2 mm to 0.5mm, so that the bionic blood vessel and the tapered stylet 4 are fixed more firmly and tightly.

Referring to fig. 1 to 3, an adjusting spring 13 is also provided between the conical vessel fixation clamp 5 and the first transition joint.

Further, the pumping pressure of the micro-pump 3 is 15kpa to 18kpa; the simulation training process is more suitable for the actual situation.

Referring to fig. 1 to 2, a telescopic tube 12 is arranged between the conical stylet 4 and the circulating communication pipe 1, one end of the telescopic tube 12 is connected with the enlarged end 7 of the conical stylet 4, and the other end is communicated with the circulating communication pipe 1; the distance between the two cones can be adjusted conveniently to adapt to the bionic blood vessels with different lengths.

Further, the device also comprises an opening and closing cover used for storing the simulated muscle base; the movement and the storage of the bionic vascular anastomosis training device for microsurgery are convenient.

Referring to fig. 1, two blood circulation systems are arranged on the simulated muscle base, and the training of vascular anastomosis of veins and arteries can be simulated respectively.

Furthermore, the pipe diameters of the bionic blood vessels comprise blood vessels with various calibers including micro blood vessels with the diameter less than or equal to 0.8mm, and the aim is to enable the simulated training process to be more suitable for the pipe diameters of the blood vessels under the actual conditions.

The adaptation according to the actual needs is within the scope of the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A microsurgery bionic blood vessel anastomosis training device is characterized by comprising a bionic blood vessel, a simulated muscle base, a circulation communicating pipe, a micro-pump, a first adapter and a second adapter, wherein the circulation communicating pipe, the micro-pump, the first adapter and the second adapter are arranged in the simulated muscle base;

the first adapter and the second adapter both comprise a conical needle core and a conical blood vessel fixing clamp, a first external thread connected with the circulating communicating pipe is arranged on the outer surface of the expanded end of the conical needle core, a second external thread matched with the conical blood vessel fixing clamp is arranged on the outer surface of the reduced end of the conical needle core, and the bionic blood vessel is communicated with the conical needle core and clamped between the conical blood vessel fixing clamp and the second external thread;

an adjusting spring is further arranged between the conical blood vessel fixing clamp and the first conversion joint.

2. The microsurgical biomimetic vascular anastomosis training device according to claim 1, further comprising a liquid storage bag, wherein the liquid storage bag is arranged on the circulation communication pipe close to the first conversion head and is communicated with the circulation communication pipe, and a switch used for controlling the opening and closing of the circulation communication pipe is arranged at the connection position of the liquid storage bag and the first conversion head.

3. The microsurgical biomimetic vascular anastomosis training device according to claim 2, wherein the reservoir is oval and is made of transparent silica gel.

4. The microsurgical biomimetic vascular anastomosis training device as recited in claim 1, wherein the biomimetic blood vessel comprises an arterial biomimetic blood vessel and a venous biomimetic blood vessel of an animal.

5. The microsurgical biomimetic vascular anastomosis training device according to claim 1, wherein the micro-pump has a pumping pressure of 15kpa to 18kpa.

6. The microsurgical bionic blood vessel anastomosis training device according to claim 1, wherein a telescopic sleeve is arranged between the conical needle core and the circulation communication pipe, one end of the telescopic sleeve is connected with the enlarged end of the conical needle core, and the other end of the telescopic sleeve is communicated with the circulation communication pipe.

7. The microsurgical biomimetic vascular anastomosis training device as recited in claim 1, further comprising an open-close cover for storing the simulated muscle base.

8. The microsurgical biomimetic vascular anastomosis training device as recited in claim 1, wherein at least one blood circulation system is provided on the simulated muscle base.