CN212326491U - A hepatic portal blood flow blocker for peritoneoscope hepatectomy - Google Patents
A hepatic portal blood flow blocker for peritoneoscope hepatectomy Download PDFInfo
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- CN212326491U CN212326491U CN202020234818.0U CN202020234818U CN212326491U CN 212326491 U CN212326491 U CN 212326491U CN 202020234818 U CN202020234818 U CN 202020234818U CN 212326491 U CN212326491 U CN 212326491U
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Abstract
The utility model discloses a hepatic portal blood flow blocker used for laparoscopic hepatectomy, which comprises a blocking catheter, a through channel is arranged in the blocking conduit along the length direction of the blocking conduit, a pull rod is inserted in the through channel, one end of the pull rod is provided with a drag hook, the blocking catheter is provided with a pipe clamping buckle, the pipe clamping buckle comprises a fixed sleeve and a movable pressing block, the fixed sleeve is fixedly arranged on the blocking catheter, one side edge of the movable pressing block is connected on the fixed sleeve, when the other side edge of the movable pressing block rotates towards the direction close to the fixed sleeve, the movable pressing block extrudes the blocking conduit, make the through passage seals, the utility model discloses can effectively block into the liver blood flow, shorten the operation time, reduce intraoperative hemorrhage, reduce the laparoscopic surgery degree of difficulty, improve the security of laparoscopic hepatectomy greatly.
Description
Technical Field
The utility model relates to a medical apparatus especially relates to a porta hepatis blood flow blocker for peritoneoscope hepatectomy.
Background
The hepatic portal block technology is a key technology in the implementation of the hepatectomy, and has important significance particularly for patients with combined cirrhosis or complicated hepatectomy. The portal block is easy to implement in the traditional laparotomy hepatectomy, but the forceps holder instrument is not easy to put in the laparotomy hepatectomy due to limited operation space, the implementation of portal block in the laparotomy is difficult, and in order to furthest reduce bleeding in the laparotomy hepatectomy and improve the safety of the laparotomy hepatectomy, a new portal block device suitable for laparotomy hepatectomy is urgently needed to be developed. In recent years, with the popularization of laparoscopes, scholars at home and abroad try to self-prepare liver portal blocking instruments, wherein reported liver portal blocking catheters mainly comprise catheters, latex tubes, intrathoracic drainage tubes, tracheal catheters and the like, blocking belts mainly comprise woven belts, nylon belts, umbilical cord wires, sterile cotton ropes and the like, but the blocking effect and the operation safety are not effectively evaluated, a laparoscopic separable first liver portal blocking device is provided in the market, and comprises a first liver portal blocking clamp and a blocking clamp manipulator.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a porta-hepatis blood flow blocker for laparoscopic hepatectomy to solve one or more technical problems in the prior art and to provide at least one useful choice or creation condition.
The utility model provides a solution of its technical problem is:
the utility model provides a porta hepatis blood flow blocker for peritoneoscope hepatectomy, is including blocking the pipe, it is provided with the through passage along its length direction in the pipe to block, it has the pull rod to alternate in the through passage, the one end of pull rod is provided with the drag hook, it is provided with double-layered pipe buckle to block on the pipe, it detains including fixed cover and activity briquetting to press from both sides the pipe, fixed cover fixed set up in block on the pipe, a side of activity briquetting connect in on the fixed cover, the opposite side limit of activity briquetting is to being close to when the direction of fixed cover rotates, the extrusion of activity briquetting block the pipe, make the through passage seals.
The technical scheme at least has the following beneficial effects: when in use, the blocking catheter is inserted into the corresponding part of the abdominal cavity through a puncture hole preset on a human body, the external blocking belt is tied on the drag hook, the pull rod is pulled outwards of the human body, the pull rod and the blocking belt are slowly pulled out of the body, meanwhile, the other hand pushes the blocking catheter inwards to enable one end of the blocking catheter in the body to reach the ligamentum dorsochini of the human body, the blocking belt is tightened by using proper force, the movable pressing block is rotated towards the direction close to the fixed sleeve, the blocking catheter is extruded by the movable pressing block to enable the through channel to be closed, and the blocking belt is clamped in the through channel, so that the aim of blocking hepatic portal inflow blood flow can be fulfilled, if the hepatic portal inflow blood flow needs to be opened, the hepatic portal inflow can be conducted only by reversely rotating the movable pressing block catheter, and then the blocking catheter is pulled outwards, so that the aim of opening the hepatic portal inflow can be fulfilled according to the needs in the operation, the blocking and opening of the hepatic blood flow are repeated for multiple times, the hepatic blood flow can be effectively blocked, the operation time is shortened, the intraoperative hemorrhage is reduced, the laparoscopic operation difficulty is reduced, and the safety of laparoscopic hepatectomy is greatly improved.
As a further improvement of the above technical solution, a clamping block is disposed on the other side of the movable pressing block, a catching groove is disposed on the fixed sleeve, and when the other side of the movable pressing block rotates to the fixed sleeve, the clamping block and the catching groove are connected in a mutually matched manner. The position of the movable pressing block can be limited by the matching connection of the clamping block and the buckling groove, so that the movable pressing block maintains the state of pressing the blocking conduit.
As a further improvement of the technical scheme, the blocking conduit comprises a connecting pipe, a main conduit and a conduit cap which are sequentially connected, and the pipe clamping buckle is arranged on the connecting pipe. The connecting pipe, the main duct and the duct cap form a through channel together, and the draw hook sequentially passes through the connecting pipe, the main duct and the duct cap.
As a further improvement of the technical scheme, the other end of the pull rod is provided with a pull ring. The hand passes through the pull ring, so that the pull ring can be conveniently stressed.
As a further improvement of the above technical solution, the inner diameter of the catheter cap is gradually reduced along the direction away from the main catheter. The guide pipe cap can form more accurate direction when the draw hook penetrates out of the through channel, and the position of the draw hook is better limited.
As a further improvement of the above technical solution, the connecting tube and the conduit cap are made of rubber. Has elasticity and better avoids the damage to the vascular tissue of the human body.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the drawings: 110-connecting pipe, 120-main pipe, 130-pipe cap, 200-pull rod, 210-pull hook, 220-pull ring and 300-pipe clamping buckle.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, a porta hepatis blood flow blocker for peritoneoscope hepatectomy, including blocking the pipe, it is provided with the through passage along its length direction in the pipe to block, it has pull rod 200 to alternate in the through passage, the one end of pull rod 200 is provided with drag hook 210, it presss from both sides the pipe knot 300 to block to be provided with on the pipe, it includes fixed cover and activity briquetting to press from both sides the pipe knot 300, fixed cover fixed set up in block on the pipe, a side of activity briquetting connect in on the fixed cover, the opposite side limit of activity briquetting is to being close to when the direction of fixed cover rotates, the extrusion of activity briquetting block the pipe, make the through passage seals.
As can be seen from the above, when in use, the blocking catheter is inserted into the corresponding part of the abdominal cavity through the puncture hole preset on the human body, the external blocking band is tied on the drag hook 210, the pull rod 200 is pulled outwards of the human body, the pull rod 200 and the blocking band are slowly pulled out of the body, meanwhile, the other hand pushes the blocking catheter inwards to enable one end of the blocking catheter in the body to reach the ligament of the duodenum of the human body, the blocking band is tightened by using proper force, the movable pressing block is rotated towards the direction close to the fixed sleeve, the blocking catheter is extruded by the movable pressing block to seal the through channel, and the blocking band is clamped in the through channel, so that the purpose of blocking the hepatic portal into the hepatic blood flow can be achieved, if the hepatic blood flow needs to be opened, the through channel is conducted by rotating the movable pressing block in the reverse direction, and then the blocking catheter is pulled outwards to achieve the purpose of opening the hepatic portal into the hepatic blood flow, therefore, the hepatic blood flow can be blocked and opened repeatedly according to the needs in the operation, the hepatic blood flow can be effectively blocked, the operation time is shortened, the intraoperative hemorrhage is reduced, the laparoscopic operation difficulty is reduced, and the safety of laparoscopic hepatectomy is greatly improved.
In some embodiments, a clamping block is arranged on the other side edge of the movable pressing block, a fastening groove is arranged on the fixing sleeve, and when the other side edge of the movable pressing block rotates to the fixing sleeve, the clamping block and the fastening groove are connected in a matched mode. The position of the movable pressing block can be limited by the matching connection of the clamping block and the buckling groove, so that the movable pressing block maintains the state of pressing the blocking conduit.
In some embodiments, the blocking catheter includes a connecting tube 110, a main catheter 120 and a catheter cap 130 connected in sequence, and the clip 300 is disposed on the connecting tube 110. The connecting tube 110, the main catheter 120 and the catheter cap 130 together form a through channel, and the retractor 210 sequentially passes through the connecting tube 110, the main catheter 120 and the catheter cap 130.
In some embodiments, the other end of the pull rod 200 is provided with a pull ring 220. The hand is passed through the pull ring 220 to facilitate exerting force on the pull rod 200.
In some embodiments, the inner diameter of the catheter cap 130 gradually decreases in a direction away from the main catheter 120. The catheter cap 130 provides more precise guidance of the retractor 210 as it exits the through passage, better defining the position of the retractor 210.
In some embodiments, the connecting tube 110 and the catheter cap 130 are made of rubber. Has elasticity and better avoids the damage to the vascular tissue of the human body.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (5)
1. A portal blood flow blocker for laparoscopic hepatectomy, characterized by: including blocking the pipe, it is provided with the through passage to block in the pipe along its length direction, it has pull rod (200) to alternate in the through passage, the one end of pull rod (200) is provided with drag hook (210), it detains (300) to be provided with the clamp pipe on the pipe to block, the clamp pipe is detained (300) including fixed cover and activity briquetting, fixed cover fixed set up in block on the pipe, a side of activity briquetting connect in on the fixed cover, the opposite side limit of activity briquetting is to being close to when the direction of fixed cover rotates, the extrusion of activity briquetting block the pipe, make the through passage seals, block the pipe including connecting pipe (110), main pipe (120) and pipe cap (130) that connect gradually, clamp pipe detain (300) set up in on connecting pipe (110).
2. A porta-hepatis blood flow blocker for laparoscopic hepatectomy according to claim 1, wherein: a clamping block is arranged on the other side edge of the movable pressing block, a buckling groove is formed in the fixed sleeve, and when the other side edge of the movable pressing block rotates to the fixed sleeve, the clamping block is connected with the buckling groove in a matched mode.
3. A porta-hepatis blood flow blocker for laparoscopic hepatectomy according to claim 1, wherein: the other end of the pull rod (200) is provided with a pull ring (220).
4. A porta-hepatis blood flow blocker for laparoscopic hepatectomy according to claim 1, wherein: the inner diameter of the catheter cap (130) decreases gradually in a direction away from the main catheter (120).
5. A porta-hepatis blood flow blocker for laparoscopic hepatectomy according to claim 1, wherein: the connecting pipe (110) and the guide pipe cap (130) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234818.0U CN212326491U (en) | 2020-02-28 | 2020-02-28 | A hepatic portal blood flow blocker for peritoneoscope hepatectomy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234818.0U CN212326491U (en) | 2020-02-28 | 2020-02-28 | A hepatic portal blood flow blocker for peritoneoscope hepatectomy |
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| CN212326491U true CN212326491U (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662631A (en) * | 2021-07-21 | 2021-11-19 | 西安交通大学医学院第二附属医院 | Auxiliary device for B-ultrasonic guided hepatectomy |
-
2020
- 2020-02-28 CN CN202020234818.0U patent/CN212326491U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662631A (en) * | 2021-07-21 | 2021-11-19 | 西安交通大学医学院第二附属医院 | Auxiliary device for B-ultrasonic guided hepatectomy |
| CN113662631B (en) * | 2021-07-21 | 2022-09-13 | 西安交通大学医学院第二附属医院 | Auxiliary device for B-ultrasonic guided hepatectomy |
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