Patent Description:
At present, compared with open surgery, kidney transplantation surgery, especially laparoscopic or robot-assisted laparoscopic kidney transplantation, is becoming the mainstream trend of kidney transplantation surgery because it has the advantages of less trauma and better wound healing in the later stage. However, in the prior art, due to the small opening of laparoscopic surgery approach, there is no access passage and surgical operation passage designed for the donor kidney to pass through, so it is difficult to keep the kidney in a low temperature environment before and during the operation, which may have an impact on the survival rate of the kidney organ after the surgery.

"<NPL>, discloses a continuous refrigeration system for kidney transplantation surgery, for refrigerating the kidney from the beginning of the kidney transplantation surgery to the opening of the renal arteries and veins, comprising: a kidney bag provided at one end with a bag mouth that allows the kidney and crushed ice to enter the interior of the kidney bag, the bottom of the kidney bag being a closed end.

<CIT> discloses a system for use in laparoscopic and endoscopic procedures, comprising: a bag, an extracorporeal ring and an intracorporal ring, wherein the extracorporeal ring and the intracorporal ring are spaced on the bag to support a partial length of the bag to form a through circulation passage, wherein one end of the bag is provided with a bag mouth, and the bottom of the bag is a closed end. The system may include a tether to pull the bag out of the body.

In view of the above-mentioned problems, the inventor actively carried out research and innovation based on the rich practical experience and professional knowledge in the engineering applications of such products for many years, in order to create a continuous refrigeration system for kidney transplantation surgery and make it more practical.

The technical problem to be solved by the present invention is to provide a continuous refrigeration system for kidney transplantation surgery, so as to solve the aforementioned problems.

To this end, the present invention provides.

A lead-out end is provided both outside and inside the bottom of the kidney bag to pull the kidney bag into and out of the patient's body during the operation.

The following features may optionally be provided:
Further, an opening is provided on the lower side wall of the kidney bag.

Further, the lead-out end comprises a pull wire with one end fixed on the kidney bag, and a pull ring connected to the other end of the pull wire.

Further, an end of the kidney bag extends outwardly with respect to the extracorporeal ring with a tightening part, the tightening part being sealed and opened by tying and untieing of a mouth drawstring and allows the addition of crushed ice when it is open.

Further, a sealing cover is installed on the extracorporeal ring to allow the addition of crushed ice when it is open.

Further, the sealing cover comprises a sealing cover body, an upper cover, and a sealing cover connection part provided between the sealing cover body and the upper cover, wherein the sealing cover body is fixedly connected to the extracorporeal ring and provided with an internal passage through the kidney bag, and wherein the upper cover is flipped relative to the sealing cover body to open and seal the passage within the sealing cover body.

Further, there is provided a funnel that assists the crushed ice to be poured into the kidney bag when the end of the kidney bag is open.

Further, the funnel comprises an outer funnel and an inner funnel, wherein an end of the inner funnel is partially inserted into a passage of the outer funnel, resulting in an overlapping section which fixes the open end of the crushed ice-holding bag body.

Further, the system is configured for installing the intracorporal ring by the following steps:.

Further, the system is configured for connecting the funnel to the crushed ice-holding bag body by the following steps: passing an open end of the crushed ice-holding bag body through the passage of the inner funnel until it is lead out on the side of the overlapping section and folded, wrapping the overlapping section of the inner funnel, and inserting the end of the crushed ice-holding bag body wrapped on the inner funnel into the passage of the outer funnel, whereby the open end of the crushed ice-holding bag body is fixed.

Further, system is configured for adding crushed ice into the kidney bag by the following steps:.

Further, the system is configured to be used by performing the following steps:.

The advantageous effects of the present invention are explained below.

In the invention, the kidney enters the kidney bag through the circulation passage, thus obtaining a carrier for entering the human body, making the operation simple, convenient and fast. The lead-out end is provided so that the kidney bag can be adapted to laparoscopic surgery, and it is convenient to pull the kidney to the renal anastomosis by pulling the lead-out end outside the bottom of the kidney bag. Moreover, it is possible to pull the kidney bag outside the body by pulling the lead-out end inside the bottom of the kidney bag, and ensure that the donor kidney is in a continuous low temperature environment by adding crushed ice through the mouth of the bag several times.

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the accompanying drawings to be used in the description of the embodiments or prior art will be briefly described below. It is obvious that the accompanying drawings in the following description are only some of the embodiments that fall under the scope of the invention as defined in the appended claims, and other embodiments can be obtained without creative work for those of ordinary skill in the art.

Reference signs: <NUM>. kidney bag; <NUM>. bag mouth; <NUM>. opening; <NUM>. pull wire; <NUM>. pull ring; <NUM>. tightening part; <NUM>. mouth drawstring passage; <NUM>. mouth drawstring; <NUM>. extracorporeal ring; <NUM>. intracorporal ring; <NUM>. sealing cover; <NUM>. sealing cover body; <NUM>. slot; <NUM>, upper cover; <NUM>. sealing cover connection part; <NUM>. funnel; <NUM>. outer funnel; <NUM>. inner funnel; <NUM>. crushed ice-holding bag body.

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments The invention is defined in the appended claims.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the another element or an intermediate element may also be present. It should be noted that when an element is referred to as being "connected to" another element, it can be directly on the another element or an intermediate element may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not mean that they are the only mode of implementation.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art of the present invention. The terms used herein are for the purpose of describing specific embodiments only and are not intended to limit the invention. The term "and/or" as used herein includes any and all combinations of one or more of the related listed items.

As shown in <FIG>, a continuous refrigeration system for kidney transplantation surgery, for refrigerating the kidney from the beginning of the kidney transplantation surgery to the opening of the renal arteries and veins, comprises: a kidney bag <NUM>, an extracorporeal ring <NUM> and an intracorporal ring <NUM>, wherein one end of the kidney bag <NUM> is provided with a bag mouth <NUM> that allows the kidney and crushed ice to enter the interior of the kidney bag <NUM>, and the bottom of the kidney bag <NUM> is a closed end; wherein the extracorporeal ring <NUM> and the intracorporal ring <NUM> are spaced on the kidney bag <NUM> to support a partial length of the kidney bag <NUM> to form a through circulation passage; and wherein a lead-out end is provided both outside and inside the bottom of the kidney bag to pull the kidney bag <NUM> into and out of the patient's body during the operation.

In the invention, a partial length of the kidney bag <NUM> is support to form the through circulation passage through which the kidney enters the kidney bag <NUM> and thus obtaining a carrier for entering the human body, making the operation simple, convenient and fast. The lead-out end is provided so that the kidney bag can be adapted to laparoscopic surgery, and it is convenient to pull the kidney to the renal anastomosis by pulling the lead-out end outside the bottom of the kidney bag. Moreover, it is possible to pull the kidney bag outside the body by pulling the lead-out end inside the bottom of the kidney bag, and ensure that the donor kidney is in a continuous low temperature environment by adding crushed ice through the mouth <NUM> of the bag several times.

A method of using the aforesaid above-mentioned method of using the continuous refrigeration system for kidney transplantation surgery comprises the following steps:.

Regarding the foregoing embodiment, the intracorporal ring <NUM> is preferably installed by a method comprising the following steps:.

As a preferred embodiment, an opening <NUM> is provided on the lower side wall of the kidney bag <NUM>. The opening <NUM> allows the renal arteries, veins and ureter of the kidney to extend into the patient body to complete the anastomosis operation of the kidney transplantation, thereby saving the time of cutting an opening in the side wall of the kidney bag <NUM> through the instrument after the kidney enters the human body.

To facilitate operation, the lead-out end comprises a pull wire <NUM> with one end fixed on the kidney bag <NUM>, and a pull ring <NUM> connected to the other end of the pull wire <NUM>. The provision of the pull ring <NUM> increases the force application position during operation, making the pulling of the kidney bag <NUM> more convenient, lowering the difficulty of operation, and improving the accuracy of the position control of the kidney bag <NUM>.

During the storage of the kidney, the stability of the environment is favorable for the operation. To this end, an end of the kidney bag <NUM> extends outwardly with respect to the extracorporeal ring <NUM> with a tightening part <NUM>, which is sealed and opened by tying and untieing of a mouth drawstring <NUM>, and allows the addition of crushed ice when it is open. In order to fix the mouth drawstring <NUM>, a mouth drawstring passage <NUM> may be provided to form an area for the mouth drawstring <NUM> to pass through.

As another way of closing the kidney bag <NUM>, a sealing cover <NUM> is installed on the extracorporeal ring <NUM> to allow the addition of crushed ice when it is open. The sealing cap <NUM> is provided so that the interior of the kidney bag <NUM> can be sealed during the interval of adding the crushed ice, thus effectively ensuring the stability of the kidney refrigeration environment.

As a specific implementation, the sealing cover <NUM> comprises a sealing cover body <NUM>, an upper cover <NUM>, and a sealing cover connection part <NUM> provided between the sealing cover body <NUM> and the upper cover <NUM>, wherein the sealing cover body <NUM> is fixedly connected to the extracorporeal ring <NUM> and provided with an internal passage through the kidney bag <NUM>, and wherein the upper cover <NUM> is flipped relative to the sealing cover body <NUM> to open and seal the passage within the sealing cover body <NUM>.

In the specific implementation, the sealing cover body <NUM> and the extracorporeal ring <NUM> can be provided with a slot <NUM> for the extracorporeal ring <NUM> to enter, and in use, the extracorporeal ring <NUM> fits into the slot <NUM>, and the slot <NUM> forms a limit for the extracorporeal ring <NUM>, which is convenient for installation and removal.

To facilitate the placement of the crushed ice, there is provided a funnel <NUM> that assists the crushed ice to be poured into the kidney bag <NUM> when the end of the kidney bag <NUM> is open.

As a specific implementation, the funnel <NUM> includes an outer funnel <NUM> and an inner funnel <NUM>. The end of the inner funnel <NUM> is partially inserted into the passage of the outer funnel <NUM>, resulting in an overlapping section which fixes the open end of the crushed ice-holding bag body <NUM>. The funnel <NUM> is connected to the crushed ice-holding bag body <NUM> by a method comprising the following steps: passing an open end <NUM> of the crushed ice-holding bag body <NUM> through the passage of the inner funnel <NUM> until it is lead out on the side of the overlapping section and folded, wrapping the overlapping section of the inner funnel <NUM>, and inserting the end of the crushed ice-holding bag body <NUM> wrapped on the inner funnel <NUM> into the passage of the outer funnel <NUM>, whereby the open end <NUM> of the crushed ice-holding bag body <NUM> is fixed.

Through the cooperation of the sealing cap and the funnel, adding crushed ice into the kidney bag <NUM> comprises the following steps:.

Claim 1:
A continuous refrigeration system for kidney transplantation surgery, for refrigerating the kidney from the beginning of the kidney transplantation surgery to the opening of the renal arteries and veins, comprising: a kidney bag (<NUM>), an extracorporeal ring (<NUM>) and an intracorporal ring (<NUM>),
wherein one end of the kidney bag (<NUM>) is provided with a bag mouth (<NUM>) that allows the kidney and crushed ice to enter the interior of the kidney bag (<NUM>), the bottom of the kidney bag (<NUM>) being a closed end;
wherein the extracorporeal ring (<NUM>) and the intracorporal ring (<NUM>) are spaced on the kidney bag (<NUM>) to support a partial length of the kidney bag (<NUM>) to form a through circulation passage; and
wherein a lead-out end is provided both outside and inside the bottom of the kidney bag (<NUM>) to pull the kidney bag (<NUM>) into and out of the patient's body during the operation.