CN113081133A - Pipe flow control device for laparoscopic surgery - Google Patents
Pipe flow control device for laparoscopic surgery Download PDFInfo
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- CN113081133A CN113081133A CN202110431569.3A CN202110431569A CN113081133A CN 113081133 A CN113081133 A CN 113081133A CN 202110431569 A CN202110431569 A CN 202110431569A CN 113081133 A CN113081133 A CN 113081133A
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- 238000002357 laparoscopic surgery Methods 0.000 title abstract description 7
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 17
- 210000001835 viscera Anatomy 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000000056 organ Anatomy 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 10
- 210000004185 liver Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000017531 blood circulation Effects 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002440 hepatic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012753 partial hepatectomy Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a pipe flow control device for laparoscopic surgery, comprising: a handle having an inner end adapted to extend into the abdominal cavity and an outer end adapted to remain outside the abdominal cavity; the middle rod is connected with the inner end; the two ends of the working rod are respectively a near end and a far end, the near end is connected with the middle rod, the working rod can be switched between a straight rod shape and a ring shape, the region surrounded by the bending of the ring-shaped working rod is an annular space, the working rod surrounds the tube body of the visceral organ through the annular space when the working rod is in the ring shape, and the working rod is constructed to have the tendency of deforming towards the ring shape; the haulage rope, the haulage rope is located the intermediate lever, and one side that deviates from the intra-annular space of working rod is followed to the one end of haulage rope is connected to the distal end, and the other end of haulage rope extends to the handle, and the haulage rope drives the working rod towards straight rod-like deformation when being faced the handle pulling. The pipe flow control device provided by the embodiment of the invention is convenient to use, and can safely and effectively control the flow of liquid in the organ body of the dirty organ.
Description
Technical Field
The invention relates to the technical field of medical treatment and medical instruments, in particular to a pipe flow control device for laparoscopic surgery.
Background
With the development of minimally invasive surgical techniques and instruments, laparoscopic techniques are increasingly used for liver surgery operations, represented by partial liver resection. The liver is used as an organ with abundant blood supply, and bleeding during liver-related operation causes obstacles to the operation and also threatens the operation safety. To enable surgical procedures to be performed in a clear field of view, surgical bleeding is often reduced by blocking the portal and thus the blood flow into the liver. Unfortunately, there is currently a lack of instrumentation available for controlling blood flow into the liver during laparoscopic surgery. The existing method for controlling the blood flow entering the liver is mostly realized by adopting an occlusion band and the like, however, the back of the hepatic portal is an invisible area, and the operation of delivering the occlusion band by an operation forceps has the risks of inconvenient operation and damage to important structures of the hepatic portal. How to effectively control blood flow without causing damage to patients is a clinical practical need.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, the present invention proposes a safe and effective laparoscopic tubing flow control device.
A laparoscopic tubing flow control apparatus according to an embodiment of the present invention includes: a handle having an inner end adapted to extend into the abdominal cavity and an outer end adapted to reside outside the abdominal cavity; an intermediate rod connected to the inner end; the two ends of the working rod are respectively a near end and a far end, the near end is connected with the middle rod, the working rod can be switched between a straight rod shape and a ring shape, the region surrounded by the bending of the ring-shaped working rod is an inner ring space, the working rod surrounds a tube body of a visceral organ through the inner ring space when the working rod is in the ring shape, and the working rod is constructed to have the tendency of deforming towards the ring shape; the haulage rope, the haulage rope is located on the intermediate lever, the one end of haulage rope is followed deviating from of working lever one side in intra-annular space is connected to the distal end, the other end of haulage rope extends to the handle, the haulage rope is being faced drive the working lever and warp towards straight rod-shaped when the handle pulling.
According to the pipe flow control device for the laparoscopic surgery, disclosed by the embodiment of the invention, after the straight rod-shaped working rod is extended into the abdominal cavity, the straight rod-shaped working rod penetrates through the rear part of the visceral organ pipe body, the traction rope working rod is loosened and deforms towards the lantern ring shape, the working rod is adjusted so that the visceral organ pipe body is positioned in an annular space surrounded by the lantern ring-shaped working rod, the traction rope is continuously loosened, and the annular space is gradually reduced until the annular space is reduced to control the liquid flow in the visceral organ pipe body. When the liquid in the organ pipe body does not need to be controlled, the traction rope can be pulled towards the handle direction, and the space in the ring is gradually enlarged until the liquid in the organ pipe body can normally flow. If the procedure is complete or no ductwork control device is needed, the pull cord can be pulled further toward the handle until the working rod is deformed into a straight rod shape, at which point the ductwork control device can be withdrawn from the abdomen. The device is convenient to use, and can safely and effectively control the liquid flow in the organ body of the dirty organ.
In some embodiments, the working rod comprises a plurality of unit sections arranged along the length direction of the working rod, two adjacent unit sections are connected through a rotating shaft, an elastic part is connected between two adjacent unit sections, the elastic part is used for driving one side, far away from the rotating shaft, of the two adjacent unit sections to be opened, the traction rope is located on one side, far away from the rotating shaft, of the unit sections, and the traction rope drives one side, far away from the rotating shaft, of the two adjacent unit sections to be closed when being pulled towards the handle.
Specifically, the elastic member is a torsion spring sleeved on the rotating shaft.
Specifically, a through hole is formed in one side, far away from the rotating shaft, of each unit section, the through hole penetrates through the unit sections along the length direction of the working rod, and the traction rope penetrates through the through hole.
Optionally, the work bar further comprises: and the flexible sealing cloth is sleeved outside the plurality of unit sections.
Further, the flexible sealing cloth comprises a plurality of sealing sections, and the sealing sections are connected to two adjacent unit sections.
In some embodiments, further comprising: the push-pull rod is movably arranged on the handle, and the other end of the traction rope is connected to the push-pull rod.
Specifically, one end of the push-pull rod, which is far away from the intermediate rod, extends out of the handle.
In some embodiments, further comprising: the retaining member, the retaining member is established on the handle, the one end of retaining member is stretched into in the handle in order to block the push-and-pull rod, the other end of retaining member stretches out the handle, the retaining member with be connected with locking elastic component between the handle.
Furthermore, the push-pull rod is provided with clamping teeth, the clamping teeth are arranged along the length direction of the push-pull rod, and the locking piece is matched with the clamping teeth.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view showing the construction of a laparoscopic tubing flow control device according to an embodiment;
FIG. 2 is a schematic view of an embodiment of a laparoscopic tubing flow control device in use;
FIG. 3 is a partial schematic structural view of a laparoscopic tubing flow control device according to one embodiment;
FIG. 4 is a partial schematic structural view of a laparoscopic tubing flow control device according to one embodiment;
FIG. 5 is a partial schematic structural view of another embodiment of a laparoscopic tubing flow control device;
reference numerals:
a pipe flow control device 100,
A handle 1, an inner end 11, an outer end 12,
An intermediate rod 2,
The working rod 3, the distal end 31, the proximal end 32, the unit section 33, the transmission shaft 34, the flexible sealing cloth 35, the annular space 36, the torsion spring 37, the perforation 331,
A traction rope 4,
A push-pull rod 5, a push-pull rod head 51, a latch 52,
A locking member 6, a pin shoulder 61, a spring 62, a screw head 63, a screw 64,
A sealing element 7,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "vertical", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A laparoscopic tube flow control apparatus 100 according to an embodiment of the present invention will be described with reference to fig. 1-5.
It can be understood that in many types of operations, whether for the human body 900 or for other animals, the tube 93 of the organ 91 needs to be controlled or even blocked to control the flow of the liquid in the tube 93. For example, in laparoscopic surgery, it is desirable to block the portal blood flow for the purpose of controlling the flow of blood into the liver when performing a partial hepatectomy. The present application is directed to a tube flow control device 100 that assists in managing tube flow in response to the above-described needs.
According to the laparoscopic tube flow control apparatus 100 of the present embodiment, as shown in fig. 1 and 2, the tube flow control apparatus 100 includes: handle 1, intermediate lever 2, working beam 3 and haulage rope 4.
The handle 1 has an inner end 11 and an outer end 12, the inner end 11 being adapted to extend into the abdominal cavity 92, the outer end 12 being adapted to remain outside the abdominal cavity 92. The intermediate lever 2 is connected to the inner end 11 of the handle 1.
The working rod 3 has a proximal end 32 and a distal end 31 at both ends thereof, the proximal end 32 of the working rod 3 is connected to the intermediate rod 2, the working rod 3 is switchable between a straight rod shape and a collar shape, an annular space 36 is defined in a region surrounded by the collar-shaped working rod 3, the working rod 3 surrounds a tubular body 93 of the organ 91 through the annular space 36 when the working rod 3 is in the collar shape, and the working rod 3 is configured to have a tendency to deform toward the collar shape.
The haulage rope 4 is located the intermediate lever 2, and the one end of haulage rope 4 is connected to the distal end 31 of working rod 3 along one side that deviates from intra-annular space 36 of working rod 3, and the other end of haulage rope 4 extends to handle 1, and haulage rope 4 drives working rod 3 towards straight rod-like deformation when being pulled towards handle 1.
Before the tube flow control device 100 is used, the pulling string 4 needs to be pulled toward the handle 1, so that the working rod 3 becomes a straight rod shape, and the straight rod-shaped working rod 3 is conveniently inserted into the abdominal cavity 92 and passes through the rear of the tube body 93 of the organ 91.
After the straight rod-shaped working rod 3 is inserted into the abdominal cavity 92, the straight rod-shaped working rod 3 is made to pass through the rear part of the tube body 93 of the visceral organ 91, the working rod 3 is configured to have a tendency of deforming towards a lantern ring shape, after the traction rope 4 is loosened, the working rod 3 deforms towards the lantern ring shape at the moment, the working rod 3 is adjusted so that the tube body 93 of the visceral organ 91 is positioned in the annular space 36 surrounded by the lantern ring-shaped working rod 3, the traction rope 4 is continuously loosened, and the annular space 36 is gradually reduced until the annular space 36 is reduced to control the liquid flow in the tube body 93 of the visceral organ 91. After the fluid in the tube 93 no longer flows or the flow slows, other surgical procedures can be performed.
When the liquid in the tube 93 of the organ 91 does not need to be controlled, the pulling rope 4 can be pulled towards the handle 1, at the moment, the pulling rope 4 drives the working rod 3 to deform towards a straight rod shape, and the annular space 36 gradually increases until the liquid in the tube 93 of the organ 91 can normally flow.
If the procedure is completed or the ductal flow control device 100 is not needed, the pull-cord 4 can be pulled further toward the handle 1 until the pull-cord 4 deforms the working rod 3 into a straight rod shape, at which point the ductal flow control device 100 can be withdrawn from the abdominal cavity 92. This makes it clear that the flow control device 100 is easy to use and can control the flow of the liquid in the tube 93 of the organ 91 safely and effectively.
In the scheme of this application, handle 1 and intermediate lever 2 can be metal pipe, plastic tubing or synthetic material pipe etc. and handle 1 and intermediate lever 2 not only have the leakproofness requirement, have rust-resistant performance moreover.
In some embodiments, the working rod 3 includes a plurality of unit sections 33 arranged along the length direction of the working rod 3, two adjacent unit sections 33 are connected through a rotating shaft 34, an elastic member is connected between two adjacent unit sections 33, the elastic member is used for driving one side of the two adjacent unit sections 33 away from the rotating shaft 34 to open, the pulling rope 4 is located on one side of the unit sections 33 away from the rotating shaft 34, and the pulling rope 4 drives one side of the two adjacent unit sections 33 away from the rotating shaft 34 to close when being pulled towards the handle 1.
Specifically, the elastic member is a torsion spring 37 that is wound around the rotating shaft 34. The pulling rope 4 is adapted according to the characteristics of the torsion spring 37 so that the work lever 3 can be switched between a straight lever shape and a loop shape.
In some embodiments, as shown in fig. 1 and 3, a through hole 331 is formed on a side of the unit section 33 away from the rotating shaft 34, the through hole 331 penetrates through the unit section 33 along a length direction of the working rod 3, and the traction rope 4 is inserted into the through hole 331. Set up haulage rope 4 in working beam 3, intermediate lever 2 and handle 1, can avoid haulage rope 4 to damage the human tissue in abdominal cavity 92 when the pulling and relax haulage rope 4, reduce the influence of haulage rope 4 to the operation environment.
Of course, the present disclosure is not limited thereto, and for example, the intermediate rod 2 and the handle 1 may be solid rods, the pulling rope 4 may be arranged along the length direction of the intermediate rod 2 and the handle 1 after being inserted into the through hole 331, and the pulling rope 4 may be arranged on the outer surfaces of the intermediate rod 2 and the handle 1.
Preferably, the work bar 3 further comprises: and a plurality of flexible sealing cloth 35 for covering the unit sections 33.
Further, the flexible sealing cloth 35 includes a plurality of sealing segments, and the sealing segments are connected to two adjacent unit sections 33. The flexible sealing cloth 35 strengthens the connection relationship between the unit sections 33 to protect the unit sections 33, and meanwhile, the flexible sealing cloth 35 is sleeved on the unit sections 33, so that the damage of the working rod 3 to human tissues in the abdominal cavity 92 in the deformation process can be reduced.
In some embodiments, as shown in fig. 1, the push-pull rod 5 is movably disposed on the handle 1, and the other end of the pull rope 4 is connected to the push-pull rod 5. The pulling rope 4 is limited by the overall structure of the pipe flow control device 100, the diameter of the pulling rope is small, the pulling rope is not easy to clamp, and the push-pull rod 5 is not limited by the diameter of the pulling rope, so that the overall structure of the push-pull rod 5 can be larger, and the pulling rope can be clamped and controlled more easily. An operator can drive the traction rope 4 to move by pulling the push-pull rod 5, and a push-pull rod head 51 is arranged at one end of the push-pull rod 5, which is far away from the traction rope 4, so that the operator can conveniently control the push-pull rod 5 by means of foreign objects (such as object holding forceps) or directly by hands.
Specifically, as shown in fig. 1, one end of the push-pull rod 5 remote from the intermediate rod 2 extends out of the handle 1. Optionally, a seal 7 is provided between the push-pull rod 5 and the handle 1 to prevent fluid (e.g., blood, body fluids, gases, etc.) from flowing along the intermediate rod 2 and the handle 1, thereby protecting the surgical conditions and life safety. The sealing member 7 can be arranged on the handle 1 or on the push-pull rod 5, and the sealing form of the sealing member 7 can be designed in various ways according to actual requirements. For example, the sealing member 7 may be a resilient sealing ring having an expandable inner hole through which the sealing ring is fitted over the push-pull rod 5, so that the sealing member 7 can seal the push-pull rod 5 without affecting the telescopic action of the push-pull rod 5. In some embodiments, the sealing element 7 includes a combined sealing structure such as a moving ring and a stationary ring, which is not limited in detail herein, in order to improve the sealing capability against high-pressure gas.
Of course, the present disclosure is not limited thereto, and for example, the sealing element 7 may be disposed in the intermediate rod 2, and the sealing element 7 may be a sealing ring having elasticity and an expandable inner hole, through which the sealing ring is fitted to the traction rope 4 to perform a sealing function.
In other embodiments, the push-pull rod 5 is movably disposed on the handle 1 along the length of the handle 1, and a reversing structure (not shown) is disposed in the handle 1, and the push-pull rod 5 and the pull rope 4 are connected to the reversing structure such that the push-pull rod 5 moves in a direction opposite to the pulling direction of the pull rope 4. Thus, before use of the catheter flow control device 100, the push-pull rod 5 is pushed toward the inner end 11 of the handle 1, the pull rope 4 is pulled toward the handle 1, and the working rod 3 becomes a straight rod shape and is easily inserted into the abdominal cavity 92 and passes behind the tube 93 of the organ 91. After positioning, the push-pull rod 5 is pushed towards the outer end 12 of the handle 1, so that the pulling rope 4 is loosened, and the working rod 3 is changed into a complete ring shape to surround the tube body 93 of the organ 91. After the operation is finished, the push-pull rod 5 is pushed toward the inner end 11 of the handle 1, and the working rod 3 becomes a straight rod shape to extract the abdominal cavity 92.
The reverse structure may have a variety of alternatives, for example, the reverse structure includes: the two racks are respectively meshed with the gear, the two racks are arranged along the length direction of the handle 1, the interval angle of the two racks on the gear is 180 degrees, and the moving directions of the two racks are opposite when the gear rotates. The push-pull rod 5 is connected with one of the racks, and the traction rope 4 is connected with the other rack, so that the push-pull direction of the push-pull rod 5 is opposite to the pulling direction of the traction rope 4. In some embodiments, the reverse structure is formed by a gear assembly, which is not limited herein, as long as the reverse structure can make the push-pull direction of the push-pull rod 5 opposite to the pull direction of the traction rope 4.
In some embodiments, as shown in fig. 4, the handle 1 is provided with a locking member 6, and one end of the locking member 6 extends into the handle 1 to lock the push-pull rod 5, so as to prevent the push-pull rod 5 from moving after the operator releases the push-pull rod 5. Handle 1 is stretched out to the other end of retaining member 6, is connected with the locking elastic component between retaining member 6 and the handle 1, and the locking elastic component can be spring 62, is equipped with round pin shoulder 61 on the retaining member 6, and the spring 62 both ends are stopped respectively and are supported on round pin shoulder 61 and the 1 inner wall of handle, make retaining member 6 suppress towards push-and-pull rod 5, and when push-and-pull rod 5 was removed to the needs, can pull the other end that retaining member 6 stretched out handle 1, relaxed retaining member 6 and suppress push-and-pull rod 5.
In another alternative embodiment, as shown in fig. 5, the locking member 6 is a screw, the screw shaft 64 of the screw extends into the handle 1 to lock the push-pull rod 5, the screw head 63 of the screw extends out of the handle 1, and the screw is screwed into the handle 1, and when the screw is rotated, the screw moves vertically along the handle 1 to lock or unlock the push-pull rod 5.
Furthermore, the push-pull rod 5 is provided with the latch 52, the latch 52 is arranged along the length direction of the push-pull rod 5, and the locking member 6 is matched with the latch 52, so that the push-pull rod 5 is more effectively fixed, and the situation that the push-pull rod 5 moves in the operation process to influence the operation result is avoided.
In the description herein, references to the description of the terms "embodiment," "example," "specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A laparoscopic tubing flow control apparatus, comprising:
a handle having an inner end adapted to extend into the abdominal cavity and an outer end adapted to reside outside the abdominal cavity;
an intermediate rod connected to the inner end;
the two ends of the working rod are respectively a near end and a far end, the near end is connected with the middle rod, the working rod can be switched between a straight rod shape and a ring shape, the region surrounded by the bending of the ring-shaped working rod is an inner ring space, the working rod surrounds a tube body of a visceral organ through the inner ring space when the working rod is in the ring shape, and the working rod is constructed to have the tendency of deforming towards the ring shape;
the haulage rope, the haulage rope is located on the intermediate lever, the one end of haulage rope is followed deviating from of working lever one side in intra-annular space is connected to the distal end, the other end of haulage rope extends to the handle, the haulage rope is being faced drive the working lever and warp towards straight rod-shaped when the handle pulling.
2. The laparoscopic tubing flow control device of claim 1, wherein said working rod comprises a plurality of unit sections arranged along the length direction of said working rod, two adjacent unit sections are connected by a rotating shaft, an elastic member is connected between two adjacent unit sections for driving the side of two adjacent unit sections away from said rotating shaft to open, said pulling rope is located on the side of said unit sections away from said rotating shaft, said pulling rope drives the side of two adjacent unit sections away from said rotating shaft to close when being pulled towards said handle.
3. The laparoscopic tube flow control device according to claim 2, wherein said elastic member is a torsion spring externally fitted over said rotational shaft.
4. The laparoscopic tube flow control device according to claim 2, wherein a through hole is formed at one side of the unit section away from the rotational shaft, the through hole penetrating the unit section in a length direction of the working rod, and the traction rope is inserted into the through hole.
5. The laparoscopic tubing flow control device of claim 2, wherein said working rod further comprises: and the flexible sealing cloth is sleeved outside the plurality of unit sections.
6. The laparoscopic tubing flow control device of claim 5, wherein said flexible sealing cloth comprises a plurality of sealing segments, said sealing segments being connected to two adjacent said unit segments.
7. The laparoscopic tubing flow control device of claim 1, further comprising: the push-pull rod is movably arranged on the handle, and the other end of the traction rope is connected to the push-pull rod.
8. The laparoscopic tubing flow control device of claim 7, wherein an end of said push-pull rod distal to said intermediate rod extends out of said handle.
9. The laparoscopic tubing flow control device of claim 7, further comprising: the retaining member, the retaining member is established on the handle, the one end of retaining member is stretched into in the handle in order to block the push-and-pull rod, the other end of retaining member stretches out the handle, the retaining member with be connected with locking elastic component between the handle.
10. The laparoscopic tube flow control device according to claim 7, wherein the push-pull rod is provided with latches arranged along a length direction of the push-pull rod, and the locking member is engaged with the latches.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110431569.3A CN113081133A (en) | 2021-04-21 | 2021-04-21 | Pipe flow control device for laparoscopic surgery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110431569.3A CN113081133A (en) | 2021-04-21 | 2021-04-21 | Pipe flow control device for laparoscopic surgery |
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| CN113081133A true CN113081133A (en) | 2021-07-09 |
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| CN202110431569.3A Pending CN113081133A (en) | 2021-04-21 | 2021-04-21 | Pipe flow control device for laparoscopic surgery |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003041593A1 (en) * | 2001-11-14 | 2003-05-22 | Stille Surgical Ab | Blood flow stopping instrument for endoscopic surgery |
| CN106037859A (en) * | 2016-06-29 | 2016-10-26 | 王学栋 | Pressure selective hepatic inflow occlusion apparatus |
| CN107485421A (en) * | 2017-08-14 | 2017-12-19 | 中国人民解放军第二军医大学 | The vascular flow control device of controllable curvature |
| CN109528260A (en) * | 2018-12-17 | 2019-03-29 | 浙江大学 | A kind of laparoscope hepatic portal occlusion tool |
| CN111297430A (en) * | 2020-03-21 | 2020-06-19 | 重庆大学附属肿瘤医院 | Intestinal canal traction ligator in laparoscope |
| CN111759387A (en) * | 2020-06-28 | 2020-10-13 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Laparoscopic porta hepatis blocker |
| CN112075963A (en) * | 2020-08-28 | 2020-12-15 | 清华大学 | Visceral duct flow control device |
| CN112107342A (en) * | 2019-06-19 | 2020-12-22 | 中国人民解放军第二军医大学 | Blood flow control apparatus and method of operating same |
| CN216124505U (en) * | 2021-04-21 | 2022-03-25 | 清华大学 | Pipe flow control device for laparoscopic surgery |
-
2021
- 2021-04-21 CN CN202110431569.3A patent/CN113081133A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003041593A1 (en) * | 2001-11-14 | 2003-05-22 | Stille Surgical Ab | Blood flow stopping instrument for endoscopic surgery |
| CN106037859A (en) * | 2016-06-29 | 2016-10-26 | 王学栋 | Pressure selective hepatic inflow occlusion apparatus |
| CN107485421A (en) * | 2017-08-14 | 2017-12-19 | 中国人民解放军第二军医大学 | The vascular flow control device of controllable curvature |
| CN109528260A (en) * | 2018-12-17 | 2019-03-29 | 浙江大学 | A kind of laparoscope hepatic portal occlusion tool |
| CN112107342A (en) * | 2019-06-19 | 2020-12-22 | 中国人民解放军第二军医大学 | Blood flow control apparatus and method of operating same |
| CN111297430A (en) * | 2020-03-21 | 2020-06-19 | 重庆大学附属肿瘤医院 | Intestinal canal traction ligator in laparoscope |
| CN111759387A (en) * | 2020-06-28 | 2020-10-13 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Laparoscopic porta hepatis blocker |
| CN112075963A (en) * | 2020-08-28 | 2020-12-15 | 清华大学 | Visceral duct flow control device |
| CN216124505U (en) * | 2021-04-21 | 2022-03-25 | 清华大学 | Pipe flow control device for laparoscopic surgery |
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