CN111603216A - Aorta block-free type anastomosis auxiliary device and using method thereof - Google Patents
Aorta block-free type anastomosis auxiliary device and using method thereof Download PDFInfo
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- 238000004080 punching Methods 0.000 claims abstract description 7
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Abstract
The invention discloses an aorta block-free type anastomosis auxiliary device and a using method thereof, wherein the aorta block-free type anastomosis auxiliary device comprises a gas transmission pipe and a working air bag which is arranged at one end of the gas transmission pipe and communicated with the gas transmission pipe, wherein the working air bag is inserted into an aorta from an artery punching position; when the working air bag is in a filling state, the upper side surface of the working air bag is tightly attached to the aorta intima, and the joint of the upper side surface of the working air bag and the aorta intima is positioned on the periphery of the aorta hole, so that a suturing position is reserved on the periphery of the aorta hole. The device has simple structure and convenient use, breaks the conventional operation suture mode, namely, the aorta can be anastomosed (sutured) under the condition that the aorta is not blocked, ensures the normal flow of blood in the aorta in the operation, avoids the injury caused by insufficient blood supply of visceral organs of a patient under the condition that the aorta is completely blocked, reduces the blood loss in the operation suture process, and is more suitable for patients with aorta calcification.
Description
Technical Field
The invention belongs to the technical field of surgical auxiliary instruments, and particularly relates to an aorta block-free type anastomosis auxiliary device and a using method thereof.
Background
In the aortic anastomosis process, the upstream and downstream of the aorta are blocked by adopting a blood vessel blocking clamp in the conventional operation mode, and the aorta is sutured with a radial artery or a target blood vessel at the aortic hole after being punched, but the blood vessel is easily damaged or calcified plaque in the blood vessel is dropped to cause embolism in the conventional operation mode for a patient with calcification of the blood vessel; however, if the aorta is not blocked, blood is greatly sprayed from the main arterial orifice due to the large blood pressure in the aorta, so that the surgical suture is influenced; therefore, how to reduce the massive blood loss of the patient and perform quick suturing on the aorta on the premise of reducing the damage to the blood vessels is a difficult problem for medical staff.
Disclosure of Invention
The invention designs an aorta block-free type anastomosis auxiliary device and a using method thereof, the device has simple structure and convenient use, breaks through the conventional operation suture mode, namely the aorta anastomosis (suture) can be completed under the condition that the aorta is not blocked, ensures the normal blood flow in the aorta in the operation, avoids the injury caused by insufficient blood supply of organs of a patient under the condition that the aorta is completely blocked, reduces the blood loss in the operation suture process, and is more suitable for patients with aorta calcification.
In order to achieve the purpose, the invention adopts the following technical scheme: the aorta block-free type anastomosis auxiliary device comprises a gas transmission pipe and a working air bag which is arranged at one end of the gas transmission pipe and communicated with the gas transmission pipe, wherein the working air bag is inserted into an aorta from an aorta punching position; when the working air bag is in a filling state, the upper side surface of the working air bag is tightly attached to the aorta intima, and the joint of the upper side surface of the working air bag and the aorta intima is positioned on the periphery of the aorta hole, so that a suturing position is reserved on the periphery of the aorta hole.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: the working air bag comprises an outer side face, an inner side face and an upper side face, wherein the outer side face and the inner side face are integrally connected, the upper side face is used for connecting the outer side face and the inner side face, the inner side face of the working air bag is sunken towards the outer side face in the filling state, and the inner diameter of the upper side face is larger than the diameter of the aortic orifice; the air delivery pipe penetrates through the inner side face and is communicated with the working air bag cavity through an air outlet hole formed in the air delivery pipe, and the air delivery pipe is made of soft rubber.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: elastic pieces can be arranged in the cross-connecting sections of the outer side face, the inner side face, the upper side face and the upper side face of the working air bag, the outer side face and the inner side face, so that the working air bag can form different stable structures after being inflated.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: the working air bag is of a bowl-shaped structure in an inflated state, wherein the upper side of the working air bag is horizontally arranged.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: the gas transmission pipe is perpendicular to the upper side face, and the upper side face is symmetrically arranged by taking the gas transmission pipe as a center.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: the upper side surface of the working air bag is connected with the inner side surface and the outer side surface along the aortic intima arc.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: the work gasbag is asymmetric under sufficient state to be set up on the gas-supply pipe, promptly the gas-supply pipe is with the skew medial surface center of medial surface intersection point, set up the sign on the gas-supply pipe circumference, the sign is located one side of work gasbag deviation gas-supply pipe.
As only one-step improvement of the aorta block-free anastomosis auxiliary device of the invention: still be provided with sealed gasbag on the gas-supply pipe, sealed gasbag is located the work gasbag top, sealed gasbag is the back taper under the sufficient state, and sealed gasbag inner chamber and work gasbag have the gas transmission route on the gas-supply pipe respectively.
In order to achieve the purpose, the invention adopts the following technical scheme: the use method of the aorta block-free anastomosis auxiliary device comprises the following steps:
1) the working air bag in the device is inserted into the aorta lumen from the arteria puncture position;
2) the working air bag is inflated by an inflating device such as a syringe and the like through the air conveying pipe;
3) the device is pulled outwards until the upper side surface of the working air bag is tightly attached to the aorta intima, specifically, blood leakage does not occur at the aorta puncture, and the gas transmission pipe is pressed to one side of the aorta;
4) performing purse-string suture on the blood vessel to be sutured and the blood vessel reserved at the aortic orifice on the upper side surface of the working air bag, namely the blood vessel on the side part in the upper side surface of the working air bag;
5) and after the peripheral suture of the gas transmission pipe at the aortic hole is finished, the working air bag is quickly deflated and pulled out, and the purse bag is tightened to finish the anastomosis suture of the aorta.
In order to achieve the purpose, the invention adopts the following technical scheme: the use method of the aorta block-free anastomosis auxiliary device comprises the following steps:
1) inflating the sealed air bag through an inflating device such as a syringe;
2) inserting the working air bag in the device into an aorta lumen from an aorta puncture hole, plugging the sealing air bag at the aorta hole until no blood leaks from the aorta hole, and filling the working air bag by using an injector;
3) the device is pulled outwards until the upper side surface of the working air bag is tightly attached to the aorta intima, specifically, blood leakage does not occur at the aorta puncture, and the gas transmission pipe is pressed to one side of the aorta;
4) performing purse-string suture on the blood vessel to be sutured and the blood vessel reserved at the aortic orifice on the upper side surface of the working air bag, namely the blood vessel on the side part in the upper side surface of the working air bag;
5) and after the peripheral suture of the gas transmission pipe at the aortic hole is finished, the working air bag is quickly deflated and pulled out, and the purse bag is tightened to finish the anastomosis suture of the aorta.
Advantageous effects
Compared with the prior art, the aorta block-free type anastomosis auxiliary device and the using method thereof have the following beneficial effects:
first, the aorta block-free type anastomosis auxiliary device has simple structure, can seal the aorta hole at the position of the aorta to be sutured under the non-blocking condition by utilizing the special-shaped air bag structure, firstly ensures that the aorta hole is not penetrated (sprayed) blood when being sutured, provides a bloodless visual field area for the suturing operation, secondly, compared with the conventional operation that the two ends of the aorta hole are blocked by adopting a blood vessel blocking clamp or other clamping devices to avoid blood ejection, the invention can realize the sealing of the aorta hole by utilizing a simple air bag structure to perfectly avoid the ejection of blood flow, thirdly, in the aspect of preventing the blood flow from being sprayed out, the aortic blood vessel does not need to be clamped in the patent application, and the problems that the aortic intima is damaged and peeled off, the blood vessel is damaged due to clamping action under the diseases of atherosclerosis, blood vessel calcification and the like or thrombus is formed after the calcification is peeled off are effectively avoided.
Secondly, the junction of the working air bag and the aorta intima is far away from the aorta hole, so that a suturing position is reserved for later-stage blood vessel suturing, the normal physiological form of the aorta is kept as far as possible, suturing operation is facilitated, and the suturing effect is guaranteed.
Thirdly, according to the aorta occlusion-free type anastomosis auxiliary device, the upper side face of the working air bag is of an arc structure distributed along the aorta intima, so that the device can be more attached to the aorta, the occlusion effect of blood flow pumped out from the aorta hole is improved, and the device can be suitable for patients with small age, small aorta diameter or large aorta hole diameter. The auxiliary device with the upper side surface of the working air bag in a plane structure can be suitable for patients with larger age, thicker aorta or smaller puncture diameter.
Fourthly, the gas transmission pipe and the filled working air bag are distributed asymmetrically to adapt to the condition that the auxiliary device is inserted obliquely when being inserted, and the distance between the gas transmission pipe inserted into the aorta and the air bag arranged at the position of the gas transmission pipe inserted into the aorta and the aortic intima is different, so that the upper side surface of the gas transmission pipe inserted into the aorta can be tightly attached to the aortic intima after the air bag is filled by adopting the asymmetrically designed working air bag, the deformation of the aorta caused by improving the sealing effect of the working air bag on the aortic orifice is reduced, the normal physiological form of the aorta is ensured as much as possible, the later stage suture is facilitated, and the suture effect is improved.
Fifth, the aorta occlusion-free anastomosis device of the present invention may further be configured with a sealing balloon, wherein the sealing of the aorta aperture is completed at the instant the device is inserted into the aorta, and then the inflation of the working balloon is performed to avoid blood loss as much as possible.
Fifth, the method for using the aortic occlusion-free anastomosis auxiliary device of the invention has simple operation, but has excellent sealing effect on the aorta hole, is more importantly very suitable for patients with vascular calcification, and during the use process of the anastomosis auxiliary device, when the device is pulled out from the main artery after the sewing of the main artery, the artificial blood vessel and the like is finished, because the working air bag is shrunk, the blood in the main artery is quickly sprayed out from the main artery hole, at the moment, although the small amount of blood in the aorta vessel is ejected, the air which possibly enters the aorta in the processes of intubation, filling of a working air bag, suturing and the like can be ensured to be discharged, the completion of the action is the most important point in the aortic anastomosis, the function can not be realized in the conventional clamping blocking suture operation adopting the blood vessel blocking forceps and the like, and the action greatly reduces the occurrence rate of surgical accidents.
Drawings
FIG. 1 is a schematic view showing the construction of the aortic occlusion-free type anastomosis auxiliary device in accordance with embodiment 1;
FIG. 2 is a schematic view showing an operation state of the anastomosis auxiliary device of embodiment 1;
FIG. 3 is a sectional view showing the positional relationship between the anastomosis auxiliary device according to embodiment 1 and the aorta;
FIG. 4 is a partial structural view of the anastomosis auxiliary device according to embodiment 2 in relation to the aorta;
FIG. 5 is a schematic cross-sectional view of the anastomosis auxiliary device in accordance with embodiment 2 taken along the aorta in a radial direction;
FIG. 6 is a schematic structural view of the aortic occlusion-free type anastomosis auxiliary device in accordance with embodiment 3;
FIG. 7 is a schematic axial sectional view of the anastomosis auxiliary device according to embodiment 3 along the aorta;
FIG. 8 is a sectional view of the aortic occlusion free type anastomotic assistance device of the embodiment 5;
the labels in the figure are: 1. gas pipe, 2, working airbag, 201, inner side, 202, outer side, 203, upper side, 204, air outlet, 3, sealing airbag, 4 and aorta hole.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples, which are provided for the purpose of explaining the technical solutions of the present invention in detail.
Example 1
The aorta block-free type anastomosis auxiliary device comprises a gas transmission pipe 1 and a working air bag 2 which is arranged at one end and communicated with the gas transmission pipe 1, wherein the other end of the gas transmission pipe 1 is provided with a quick connection clamping head for butting a syringe, and the working air bag 2 is filled through a water injector. The working air bag 2 is shrunken and attached to the air delivery pipe 1 in a non-working state, and the working air bag 2 in a filling state is positioned in the aorta and props up the aorta from the inside. The working state of the aorta block-free type anastomosis auxiliary device is as follows: the working airbag 2 is inflated, the upper side surface 203 of the working airbag clings to the aortic intima, and the joint of the upper side surface 203 of the working airbag 2 and the aortic intima is positioned at the periphery of the aorta hole 4, so that a suturing position is reserved at the periphery of the aorta hole 4; the gas pipe 1 is used as a gas transmission channel of the working air bag 2 and is used as a stretching piece of the working air bag 2 to cling to the aorta intima. The aorta block-free type anastomosis auxiliary device provided by the invention realizes the blocking of the aorta hole 4 by using a simple air bag structure, prevents the aortic blood from spraying, simultaneously, the special-shaped structure of the working air bag 2 reserves the position for suturing the aorta and other blood vessels, does not influence the surgical suture, compared with the existing method of using the blood vessel blocking forceps to perform half blocking or full blocking on the aorta, no matter the blocking mode of using the blood vessel blocking forceps and the like to change the normal physiological forms of the blood vessels can cause damage to the blood vessels, particularly for patients with aorta calcification, the plaque of the aorta is easy to fall off and is conveyed along with the blood flow to form thrombus, but the block-free type anastomosis auxiliary device does not change the normal physiological forms of the blood vessels, has small damage to the blood vessels, and is particularly suitable for adaptation diseases such as aorta calcification and the like. Meanwhile, the existing blocking suture mode tends to ensure that the blood vessel can not be in the increased physiological form in the suture process, namely the form of the blood vessel in the suture process is different from that of the blood vessel after operation, and the factors easily cause poor suture effect and the phenomena of blood seepage and blood leakage; the device avoids this problem well because the blood vessel is nearly unchanged before and after suturing, always maintaining the normal physiological shape of the blood vessel.
Specifically, the working airbag 2 is configured such that the working airbag 2 includes an outer side surface 202, an inner side surface 201, and an upper side surface 203 for connecting the outer side surface 202 and the inner side surface 201, which are integrally connected, and the outer side surface 202, the inner side surface 201, and the upper side surface 203 refer to different regions on the body of the working airbag 2 having a thickness in the present invention. When the working airbag 2 is in an inflated state, the inner side surface 201 is concave towards the outer side surface 202, and the inner diameter of the upper side surface 203 is larger than the diameter of the aortic orifice 4, so that a suture part is reserved at the circumference of the aortic orifice 4; gas-supply pipe 1 runs through medial surface 201 and communicates with 2 cavitys of work gasbag through venthole 204 that set up on it, gas-supply pipe 1 is the soft rubber material, lateral surface 202, medial surface 201, the last side 203 of work gasbag 2 and all can set up the flexure strip in lateral surface 203 and lateral surface 202 and the medial surface 201 handing-over section, form different stable structure after filling in order to guarantee work gasbag 2, the setting of flexure strip is at first guaranteed that work gasbag 2 can resume to specific structure fast when being aerifyd by the syringe, its is the intensity that can slightly increase work gasbag 2 that sets up of flexure strip, guarantees its supporting effect.
The working airbag 2 in this embodiment is in a bowl-shaped structure in the inflated state, that is, the upper side 203 is horizontally arranged, the air delivery pipe 1 is perpendicular to the upper side 203, and the upper side 203 is symmetrically arranged with the air delivery pipe 1 as the center. The aorta occlusion-free type anastomosis auxiliary device in the embodiment is suitable for patients with large age, large aorta diameter or small perforation diameter, namely, the aorta hole 4 is approximately the same plane relative to the aorta wall, and the upper side surface 203 of the working airbag 2 can be tightly attached to the aorta intima by using the working airbag 2 in the embodiment.
In the aorta occlusion-free type anastomosis auxiliary device in the embodiment, the gas transmission pipe 1 adopts a structure which is vertical to the upper side surface 203 of the working gas bag 2, the auxiliary device can be inserted into the aorta in a way of being vertical to the aorta in the using process, and the specific using method comprises the following steps:
1) the working air bag 2 in the device is inserted into the aorta cavity from the main artery puncture hole, and the quick clamping head end of the air delivery pipe 1 is positioned outside the aorta;
2) the working air bag 2 is inflated by an inflating device such as a syringe and the like through the air conveying pipe 1;
3) the device is pulled outwards until the upper side surface 203 of the working air bag 2 is tightly attached to the aortic intima, specifically, the aorta is not bled when the hole is punched, and the air delivery pipe 1 is pressed to one side of the aorta;
4) the purse-string suture is carried out on the blood vessel reserved at the aortic orifice 4 by the upper side surface 203 of the working air bag 2, namely, the blood vessel at the inner side part of the upper side surface 203 of the working air bag 2 and the blood vessel to be sutured;
5) and after the peripheral suture of the gas transmission pipe 1 at the aorta hole 4 is finished, the working airbag 2 is quickly deflated and pulled out, and the purse bag is tightened at the same time to finish the anastomosis suture of the aorta.
When the aorta and the artificial blood vessel are sutured and the device is pulled out from the main artery in the using process of the anastomosis auxiliary device, the working air bag 2 is deflated, so that the blood in the aorta is quickly sprayed out from the main artery hole 4, at the moment, although a small amount of blood in the aorta is discharged, the air which possibly enters the aorta in the processes of intubation, filling of the working air bag 2, suturing and the like can be guaranteed to be discharged, the completion of the action is a key point in the aorta anastomosis, the function can not be realized in the conventional clamping and blocking suturing operation of the blood vessel blocking forceps and the like, and the operation accident rate can be greatly reduced.
Example 2
The specific structure of the aortic occlusion-free anastomosis auxiliary device described in this embodiment is substantially the same as the specific structure of the aortic occlusion-free anastomosis auxiliary device described in embodiment 1, except that: the upper side 203 of the working balloon 2 connects the inner side 201 and the outer side 202 along the aortic intimal arc. The auxiliary device in this embodiment is the improvement of embodiment 1 promptly, and work gasbag 2 designs for the arc structure, more laminates in the aorta intima, guarantees the shutoff effect of work gasbag 2, can be applied to each age, physical patient, but more is applicable to in order to adapt to the patient that the age is less, aorta diameter is thinner or the diameter of punching is big.
Example 3
The specific structure of the aortic occlusion-free anastomosis auxiliary device described in this embodiment is substantially the same as the specific structure of the aortic occlusion-free anastomosis auxiliary device described in embodiment 1, except that: work gasbag 2 is asymmetric under sufficient state sets up on gas-supply pipe 1, promptly the gas-supply pipe 1 is with the skew medial surface 201 center of medial surface 201 intersection, set up the sign on the gas-supply pipe 1 circumference, the sign is located one side of work gasbag 2 deviation gas-supply pipe 1. 2 asymmetric distributions of work gasbag after gas-supply pipe 1 and sufficient, in order to be adapted to this auxiliary device slope male condition when inserting, because it sets up gasbag department apart from the aorta intima distance difference to insert 1 gas-supply pipe behind the aorta, therefore, the work gasbag 2 that adopts asymmetric design makes gasbag filling its upper surface 203 can hug closely the aorta intima, reduce simultaneously and make the deformation that the aorta produced for improving the sealed effect of work gasbag 2 to aorta hole 4, guarantee the normal physiology form of aorta as far as possible, do benefit to the later stage and sew up and improve the suture effect. To the difference of work gasbag 2 structure in this embodiment, the user mode of this device in the use is slightly different, first of all, the auxiliary device in this embodiment usable floor is wider, because at the in-process of punching the aorta, aorta after punching is for preventing the blood flow blowout, medical personnel can press through the hand or utilize aseptic material object rapidly after punching, prevent spouting the blood, if will insert this device in the aorta and reduce the blood flow this moment, can adopt the mode of inserting from the slope of autonomic artery one side, just so lead to work gasbag 2 upper and lower part apart from the distance difference of aorta intima, in order to realize better the shutoff effect of work gasbag 2 to aorta hole 4, adopt the special-shaped gasbag in this embodiment can perfectly solve. The mark on the gas pipe 1 can facilitate the operator to judge whether the gas pipe should enter from the upstream or the downstream of the aorta when the gas pipe is obliquely inserted, thereby improving the working efficiency.
Example 4
The specific structure of the aortic occlusion-free anastomosis auxiliary device described in this embodiment is substantially the same as the specific structure of the aortic occlusion-free anastomosis auxiliary device described in embodiment 2, except that: in order to further improve the plugging effect of the device on the aortic orifice 4, the working airbag 2 in the embodiment can adopt the special-shaped working airbag 2 in the embodiment 3, namely, the working airbag 2 is asymmetrically arranged on the gas pipe 1 in the filling state, namely, the intersection point of the gas pipe 1 and the inner side surface 201 deviates from the center of the inner side surface 201, the circumference of the gas pipe 1 is provided with a mark, and the mark is positioned on one side of the working airbag 2 deviating to the gas pipe 1.
Example 5
The specific structure of the aortic occlusion-free anastomosis auxiliary device described in this embodiment is substantially the same as the specific structure of the aortic occlusion-free anastomosis auxiliary device described in embodiment 3, except that: still be provided with sealed gasbag 3 on the gas-supply pipe 1, sealed gasbag 3 is located 2 tops of work gasbag, sealed gasbag 3 is the back taper under the sufficient state, and 3 inner chambers of sealed gasbag and work gasbag 2 have the gas transmission route on gas-supply pipe 1 respectively. The arrangement of the sealing air bag 3 can complete the sealing of the aorta hole 4 at the moment of inserting the device into the aorta, and then the inflation of the working air bag 2 is carried out, so as to avoid the blood loss as much as possible. The specific structure of the aortic occlusion-free anastomosis auxiliary device in the present embodiment is used in a slightly different manner, and the using method thereof includes the steps of: 1) inflating the sealed air bag 3 by an inflating device such as a syringe;
2) inserting the working air bag 2 into an aorta inner cavity from an aorta puncture hole in the device, plugging the sealing air bag 3 at the aorta hole 4 until no blood leaks from the aorta hole 4, and filling the working air bag 2 by using an injector;
3) the device is pulled outwards until the upper side surface 203 of the working air bag 2 is tightly attached to the aortic intima, specifically, the aorta is not bled when the hole is punched, and the air delivery pipe 1 is pressed to one side of the aorta;
4) the purse-string suture is carried out on the blood vessel reserved at the aortic orifice 4 by the upper side surface 203 of the working air bag 2, namely, the blood vessel at the inner side part of the upper side surface 203 of the working air bag 2 and the blood vessel to be sutured;
5) and after the peripheral suture of the gas transmission pipe 1 at the aorta hole 4 is finished, the working airbag 2 is quickly deflated and pulled out, and the purse bag is tightened at the same time to finish the anastomosis suture of the aorta.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. Aorta block-free type anastomosis auxiliary device is characterized in that: comprises a gas transmission pipe (1) and a working air bag (2) which is arranged at one end of the gas transmission pipe (1) and is communicated with the gas transmission pipe, wherein the working air bag (2) is inserted into an aorta from an artery punching position; when the working air bag (2) is in a filling state, the upper side surface (203) of the working air bag is tightly attached to the aorta intima, and the joint of the upper side surface (203) of the working air bag (2) and the aorta intima is positioned on the periphery of the aorta hole (4) so as to reserve a suturing position on the periphery of the aorta hole (4).
2. The aortic occlusion-free anastomosis assist device of claim 1, wherein: the working airbag (2) comprises an integrally connected outer side surface (202), an inner side surface (201) and an upper side surface (203) used for connecting the outer side surface (202) and the inner side surface (201), wherein the inner side surface (201) is sunken towards the outer side surface (202) in the filling state of the working airbag (2), and the inner diameter of the upper side surface (203) is larger than the diameter of the aortic orifice (4); the air delivery pipe (1) penetrates through the inner side surface (201) and is communicated with the cavity of the working air bag (2) through an air outlet (204) arranged on the inner side surface, and the air delivery pipe (1) is made of soft rubber.
3. The aortic occlusion-free anastomosis assist device of claim 2, wherein: elastic pieces can be arranged in the cross-over sections of the outer side face (202), the inner side face (201), the upper side face (203) and the upper side face (203) of the working air bag (2) and the outer side face (202) and the inner side face (201) so as to ensure that the working air bag (2) forms different stable structures after being inflated.
4. The aortic occlusion-free anastomosis assist device of claim 3, wherein: the working air bag (2) is of a bowl-shaped structure in the filling state, wherein the upper side surface (203) is horizontally arranged.
5. The aortic occlusion-free anastomosis assist device of claim 4, wherein: the air delivery pipe (1) is perpendicular to the upper side surface (203), and the upper side surface (203) is symmetrically arranged by taking the air delivery pipe (1) as the center.
6. The aortic occlusion-free anastomosis assist device of claim 3, wherein: the upper side surface (203) of the working air bag (2) is connected with the inner side surface (201) and the outer side surface (202) along the aortic intimal arc.
7. The aortic occlusion-free anastomosis assist device of claim 3, wherein: work gasbag (2) are asymmetric under sufficient state to be set up on gas-supply pipe (1), promptly gas-supply pipe (1) and medial surface (201) intersection point deviation medial surface (201) center, set up the sign on gas-supply pipe (1) circumference, the sign is located one side of work gasbag (2) erroneous tendency gas-supply pipe (1).
8. The aortic occlusion-free anastomosis accessory device of any one of claims 4-7, wherein: still be provided with sealed gasbag (3) on gas-supply pipe (1), sealed gasbag (3) are located work gasbag (2) top, sealed gasbag (3) are the back taper under the sufficient state, and sealed gasbag (3) inner chamber and work gasbag (2) have the gas transmission route on gas-supply pipe (1) respectively.
9. The method for using the aortic occlusion-free anastomosis auxiliary device of any of claims 1-7, wherein: the method comprises the following steps:
1) the working air bag (2) in the device is inserted into the aorta cavity from the arteria puncture position;
2) the working air bag (2) is inflated by an inflating device such as a syringe and the like through the air conveying pipe (1);
3) the device is pulled outwards until the upper side surface (203) of the working air bag (2) is tightly attached to the aorta intima, specifically, the aorta is not bled when the hole is punched, and the air pipe (1) is pressed to one side of the aorta;
4) the purse-string suture is carried out on the blood vessel reserved at the aortic orifice (4) by utilizing the upper side surface (203) of the working air bag (2), namely, the blood vessel at the inner side part of the upper side surface (203) of the working air bag (2) and the blood vessel to be sutured;
5) after the peripheral suture of the gas transmission pipe (1) at the aorta hole (4) is finished, the working air bag (2) is quickly deflated and pulled out, and the purse bag is tightened at the same time, so that the aortic anastomosis suture is completed.
10. The method of using an aortic occlusion-free anastomosis accessory device of claim 8, wherein: the method comprises the following steps:
1) the sealed air bag (3) is inflated by an inflating device such as a syringe;
2) the working air bag (2) in the device is inserted into an aorta lumen from an aorta puncture, the sealing air bag (3) is blocked at the aorta hole (4) until no blood leaks from the aorta hole (4), and the working air bag (2) is filled by using an injector;
3) the device is pulled outwards until the upper side surface (203) of the working air bag (2) is tightly attached to the aorta intima, specifically, the aorta is not bled when the hole is punched, and the air pipe (1) is pressed to one side of the aorta;
4) the purse-string suture is carried out on the blood vessel reserved at the aortic orifice (4) by utilizing the upper side surface (203) of the working air bag (2), namely, the blood vessel at the inner side part of the upper side surface (203) of the working air bag (2) and the blood vessel to be sutured;
5) after the peripheral suture of the gas transmission pipe (1) at the aorta hole (4) is finished, the working air bag (2) is quickly deflated and pulled out, and the purse bag is tightened at the same time, so that the aortic anastomosis suture is completed.
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| CN202010603739.7A CN111603216A (en) | 2020-06-29 | 2020-06-29 | Aorta block-free type anastomosis auxiliary device and using method thereof |
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| CN202010603739.7A CN111603216A (en) | 2020-06-29 | 2020-06-29 | Aorta block-free type anastomosis auxiliary device and using method thereof |
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| CN113855133A (en) * | 2021-09-29 | 2021-12-31 | 复旦大学附属中山医院 | Saccule blood flow isolator for vascular anastomosis |
| CN114521931A (en) * | 2022-03-18 | 2022-05-24 | 安徽省立医院(中国科学技术大学附属第一医院) | System and method for closing vascular wound |
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