CN114446107B - A microsurgical bionic anastomosis training device - Google Patents

Abstract

The invention discloses a training device for bionic blood vessel anastomosis in microsurgery, which comprises a bionic blood vessel, a simulated muscle base, a circulation communication tube arranged in the simulated muscle base, a microelectric pump, a liquid storage bag, a first conversion joint and a second conversion Connector, tapered blood vessel fixing clip, the first conversion joint and the second conversion joint are connected with the circulation connecting pipe, and the two ends of the bionic blood vessel are respectively connected with the first conversion joint and the second conversion joint through the tapered blood vessel fixing clip; the patent of the present invention is passed In the actual scene of simulating microsurgical operations, micromanipulation training personnel can conduct repeated anastomosis training on bionic blood vessels, and at the same time use the micro-electric pump circulation system to check whether the anastomosis is successful or not, so as to improve the microsurgical blood vessel. In line with the purpose of the technical level, at the same time, the detachability of the bionic blood vessel and the selection and setting of the caliber size further improve the training efficiency and optional technical difficulty of the microsurgery trainers.

Description

A microsurgical bionic anastomosis training device

technical field

The invention relates to the technical field of microsurgery training devices, in particular to a microsurgery bionic blood vessel anastomosis training device.

Background technique

The theory and technology of microsurgery are not only an independent subject but also used by multiple disciplines. After accepting the theory and technology of microsurgery, plastic surgery is even more powerful, which makes plastic surgery have a broader space for development. Over the past few years, microsurgical free tissue flap repair has expanded its scope of application in various specialties, and microvascular anastomosis technology, as the basis of microsurgery, has further demonstrated its important position.

With the update of the latest global cancer data in 2020, breast cancer has replaced lung cancer with the highest incidence in the world. The surgical treatment mode of breast cancer is also gradually changing from "maximum tolerable treatment" to "minimum effective treatment", which prompts the requirements of the patient group not only to meet the cure of breast cancer, but also to meet the increasing requirements for cosmetic repair after breast cancer surgery . Microvascular anastomosis technology, as an oncology-related plastic surgery technology after breast cancer surgery, is one of the basic technologies for autologous breast repair and reconstruction, and is increasingly favored by breast and plastic surgery doctors in medical institutions at all levels. Therefore, the promotion and training of microvascular anastomosis technology has become the only way for major hospitals to overcome technical difficulties, and it also paves a perfect learning curve for microscopic technology and even ultramicroscopic technology.

At present, there is no training device for microvascular on the market, and there are only some commonly used vascular anastomosis devices in surgery, such as a kind of vascular and lymphatic anastomosis sleeve device for microsurgery with the publication number CN112294381A and the published No. CN213249406U vascular anastomosis assisting device is a surgical tool with complex structure, which is not convenient for trainers to operate, and the cost is high, so it cannot meet the training needs.

Therefore, in order to solve the above problems, the present invention provides a microsurgical bionic blood vessel anastomosis training device to solve the problems of high training cost and low training efficiency.

Contents of the invention

The purpose of the present invention is to provide a microsurgical bionic blood vessel anastomosis training device to achieve the purpose of reducing training cost and improving training efficiency.

To achieve the above object, the present invention provides the following scheme:

A microsurgical bionic blood vessel anastomosis training device, including bionic blood vessels, a simulated muscle base, a circulation communication tube arranged in the simulated muscle base, a microelectric pump, a first conversion joint and a second conversion joint, the circulation communication The tube is fixed on the simulated muscle base and the two ends of the circulation communication tube extend out of the simulated muscle base, and the first conversion joint and the second conversion joint are respectively arranged at both ends of the circulation communication tube and connected with The circulation communication tube is in communication, the two ends of the bionic blood vessel are in communication with the first conversion joint and the second conversion joint respectively, and the microelectric pump is used to control the flow of blood in the circulation communication tube.

Preferably, it also includes a liquid storage bag, the liquid storage bag is arranged on the circulation communication pipe close to the first switching head and communicates with the circulation communication pipe, the liquid storage bag is connected to the first switching head The connection of the head is provided with a switch for controlling the opening and closing of the circulation communication pipe.

Preferably, the liquid storage bag is oval and made of transparent silicone material.

Preferably, the bionic blood vessels include bionic arterial blood vessels and bionic venous blood vessels of animals.

Preferably, both the first conversion joint and the second conversion joint include a tapered needle core and a tapered blood vessel fixing clip, and the outer surface of the enlarged end of the tapered needle core is provided with a first External thread, the outer surface of the narrowing end of the tapered needle core is provided with a second external thread that matches the tapered blood vessel fixing clip, the bionic blood vessel communicates with the tapered needle core, and is clamped on the tapered needle core Between the tapered blood vessel fixing clip and the second external thread.

Preferably, an adjustment spring is further arranged between the tapered blood vessel fixing clip and the first conversion joint.

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

Preferably, a telescopic sleeve is provided between the tapered needle core and the circulation communication pipe, one end of the telescopic sleeve is connected to the enlarged end of the tapered needle core, and the other end is communicated with the circulation communication pipe .

Preferably, it also includes a closable cover for storing the simulated muscle base.

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

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

1. When the present invention is in use, before the operation, the trainer connects the bionic blood vessel with the circulation communication pipe through the conversion joint, then turns on the micro electric pump and simulates the blood pressure of the human body, so that the pressure in the circulation communication pipe is consistent with the blood pressure of the human body , and check that the seal of the joint is intact after installing the bionic blood vessel; after turning off the microelectric pump, the trainer can segment the bionic blood vessel and perform microsurgical anastomosis. Effect, observe whether there is leakage, and make targeted anastomosis corrections; continue to carry out bionic vascular anastomosis training within the learning curve, so as to achieve the purpose of gradually improving the technical level of microsurgical vascular anastomosis. At the same time, the detachable setting method of bionic blood vessels , not only reduces the training cost, but also improves the training efficiency of the trainers.

2. The present invention also includes a liquid storage bag. The liquid storage bag is arranged on the circulation communication pipe close to the first conversion head and communicates with the circulation communication pipe. The switch of the tube opening and closing; make the blood in the circulating communication tube achieve the purpose of buffering before entering the bionic blood vessel, weaken the impact generated by the micro-electric pump, and then ensure the uniform and stable blood entering the bionic blood vessel. In addition, the setting of the switch It is used to control the opening and closing of the circulation connecting pipe.

3. The bionic blood vessels in the present invention include replaceable arterial bionic blood vessels and venous bionic blood vessels or replace the arteriovenous blood vessels of dissected animals, so as to complete the dual training of arterial bionic blood vessels and venous bionic blood vessel anastomosis.

4. The present invention also includes an opening and closing cover for storing the simulated muscle base, which facilitates the movement and storage of the microsurgical bionic blood vessel anastomosis training device.

Description of drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

Accompanying drawing 1 is the structure schematic diagram of microsurgical bionic vascular anastomosis training device;

Accompanying drawing 2 is the front view of microsurgical bionic blood vessel anastomosis training device;

Accompanying drawing 3 is the structural representation of the joint of the tapered needle core and the circulation pipe;

Accompanying drawing 4 is the structural representation of tapered needle core;

Accompanying drawing 5 is the structural representation of tapered blood vessel fixing clip;

Among them, 1. Circulation connecting tube; 2. Liquid storage bag; 3. Micro electric pump; 4. Conical needle core; 5. Conical blood vessel fixing clip; 6. Power switch; 7. Expanding end; 9. First external thread; 10. Second external thread; 11. Switch; 12. Telescopic sleeve; 13. Adjusting spring.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The purpose of the present invention is to provide a microsurgical bionic blood vessel anastomosis training device to achieve the purpose of reducing training cost and improving training efficiency.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1 to 5, a microsurgical bionic blood vessel anastomosis training device includes a bionic blood vessel, a simulated muscle base, and a circulation communication tube 1 arranged in the simulated muscle base, a microelectric pump 3, a first conversion joint and a second conversion joint, the circulation communication tube 1 is fixed on the simulated muscle base and the two ends of the circulation communication tube 1 extend out of the simulated muscle base, the first conversion joint and the second conversion joint are respectively arranged at the two ends of the circulation communication tube 1 and The two ends of the bionic blood vessel are respectively connected with the first conversion joint and the second conversion joint, and the micro-electric pump 3 is used to control the flow of blood in the circulation communication tube 1; before the operation, the trainers first Connect the bionic blood vessel to the circulation connecting tube 1 through the conversion joint, then turn on the micro-electric pump 3 and simulate the blood pressure of the human body, so that the pressure in the circulation connecting tube 1 is consistent with the blood pressure of the human body. Segmental separation and microsurgical anastomosis can be performed in parallel. After the multi-segment vascular anastomosis is completed, the switch 11 of the microelectric pump 3 is turned on to detect the effect of the anastomosis, observe whether there is leakage, and perform an anastomosis correction in a targeted manner. Continuously carry out bionic vascular anastomosis training within the learning curve, so as to achieve the goal of gradually improving the technical level of microsurgical vascular anastomosis. At the same time, the detachable setting of bionic blood vessels not only reduces the training cost, but also improves the training personnel efficiency.

Referring to Figures 1 to 2, it also includes 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 communicates with the circulation communication pipe 1, the connection between the liquid storage bag 2 and the first conversion head There is a switch 11 for controlling the opening and closing of the circulation communication tube 1; the blood in the circulation communication tube 1 can achieve the purpose of buffering before entering the bionic blood vessel, weaken the impact generated by the microelectric pump 3, and then ensure that the blood entering the bionic blood vessel For the purpose of uniformity and stability, in addition, the setting of the switch 11 is used to control the opening and closing of the circulation communication pipe 1 .

Further, the liquid storage bag 2 is oval, which is convenient for the accumulation of liquid in the liquid storage bag 2 , and the transparent silicone material is also convenient for trainers to observe the liquid inside the liquid storage bag 2 .

Further, bionic blood vessels include animal arterial bionic blood vessels and venous bionic blood vessels, or replace them with arteriovenous blood vessels of various calibers in dissected animals, so as to complete the dual training of arterial bionic blood vessels and venous bionic blood vessel anastomosis.

Referring to Figures 1 to 5, both the first conversion joint and the second conversion joint include a tapered needle core 4 and a tapered blood vessel fixing clip 5. The first external thread 9, the outer surface of the narrowing end 8 of the tapered needle core 4 is provided with the second external thread 10 matching the tapered blood vessel fixing clip 5, the bionic blood vessel communicates with the tapered needle core 4, and is clamped on the cone Between the shaped blood vessel fixing clip 5 and the second external thread 10, further, the pitch of the first external thread 9 is greater than the pitch of the second external thread 10, the pitch of the first external thread 9 is 2mm to 2.5mm, the pitch of the first external thread 9 is 2mm to 2.5mm, The pitch of the two external threads 10 is 0.2 to 0.5 mm, which makes the fixation of the bionic blood vessel and the tapered needle core 4 more firm and compact.

Referring to FIGS. 1 to 3 , an adjustment spring 13 is also provided between the tapered blood vessel fixing clip 5 and the first conversion joint.

Furthermore, the pumping pressure of the micropump 3 is 15kpa to 18kpa; making the simulation training process more suitable for the actual situation.

Referring to Figures 1 to 2, a telescopic sleeve 12 is provided between the tapered needle core 4 and the circulation communication pipe 1, one end of the telescopic sleeve 12 is connected to the enlarged end 7 of the tapered needle core 4, and the other end is communicated with the circulation communication pipe 1 ; It is convenient to adjust the distance between the two tapers to adapt to bionic blood vessels of different lengths.

Further, it also includes an opening and closing cover for storing the simulated muscle base; it is convenient for the movement and storage of the bionic blood vessel anastomosis training device for microsurgery.

Referring to FIG. 1 , two blood circulation systems are set on the simulated muscle base, which can respectively simulate the vascular anastomosis training of veins and arteries.

Furthermore, the diameter of the bionic blood vessel includes blood vessels of various diameters including microvessels less than or equal to 0.8mm. The purpose is also to make the simulated training process more suitable for the diameter of the blood vessel in the actual situation.

Adaptive changes made according to actual needs are within the protection scope of the present invention.

It should be noted that, for those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. . Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

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.

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