CN221285806U

CN221285806U - Folding intraoperative liver suspension baffle

Info

Publication number: CN221285806U
Application number: CN202322235924.7U
Authority: CN
Inventors: 柯彬
Original assignee: Tianjin Medical University Cancer Institute and Hospital
Current assignee: Tianjin Medical University Cancer Institute and Hospital
Priority date: 2023-08-20
Filing date: 2023-08-20
Publication date: 2024-07-09
Anticipated expiration: 2033-08-20

Abstract

The utility model relates to a folding intraoperative liver suspension baffle. The outer frame is provided with a transparent baffle membrane, an upper folding part is arranged in the middle of an upper frame body of the outer frame, a middle folding part is arranged in the middle of a middle frame body, a lower folding part is arranged in the middle of a lower frame body, and the outer frame is folded in a W shape by the folding parts; the middle parts of two frames of the upper frame body of the outer frame are respectively connected with a first pull rope and a second pull rope, the outer end of the first pull rope is provided with a first straight needle, the outer end of the second pull rope is provided with a second straight needle, and a bottom fixing rope is arranged below the middle part of the bottom frame body of the outer frame. The utility model has reasonable structural design, high structural strength, easy deployment in the abdominal cavity and easy fixation of the position, is quickly placed in the abdominal cavity through the laparoscope channel and is quickly deployed and fixed, provides proper suspension and barrier effect for the liver, and continuously ensures good operation vision during operation.

Description

Folding intraoperative liver suspension baffle

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a folding intraoperative liver suspension baffle.

Background

When performing laparoscopic surgery such as gastric tumor resection, the liver of a patient can block a part of the visual field of the surgery, which affects the smooth performance of the laparoscopic surgery, so that the liver is usually required to be suspended and blocked, wherein the suspension means that the liver is pulled and shifted to be properly moved out of the surgical visual field, the barrier means that the liver is properly blocked at the side facing the surgical position, and the surgical visual field is further exposed, and meanwhile, the liver can be protected to a certain extent, so that the damage caused by the liver being poked by surgical instruments is avoided.

The specification of the Chinese patent CN209236235U discloses a liver baffle which comprises elastic gauze, wherein the elastic gauze is of a semicircular structure (or a triangular structure), rubber bands are fixedly arranged at the left upper corner and the right upper corner of the elastic gauze, one end of each rubber band is fixedly connected with a drag hook, and the lower end of each elastic gauze is fixedly provided with a rubber band for connecting a ligature clamp. The main body of the liver baffle is an elastic gauze, two angular positions of the upper part are connected with peritoneum by adopting rubber bands and draw hooks, the lower part is connected with a small omentum sac by adopting ligature clips, and the liver is shielded by the elastic gauze in an unfolding state. The liver baffle has the following defects: firstly, a liver baffle needs to be placed in an abdominal cavity through a channel established by a laparoscope, and is limited by the elasticity level of a material, the liver baffle of the structure cannot be automatically unfolded, and a doctor needs to draw and unfold by using a surgical instrument and put the liver baffle in place, so that the difficulty of operation is increased, and precious operation time is occupied; secondly, the liver baffle has limited structural strength, and under the extrusion action of the liver, the elastic gauze is easy to deform, so that the shielding action on the liver is insufficient, and the displaced liver occupies part of the operation vision again; furthermore, the two angular positions of the upper part of the elastic gauze are connected with the peritoneum through the rubber band and the drag hook, and the length of the rubber band is set after leaving the factory, so that the length of the elastic gauze can not be adjusted in the process of hooking and connecting with the peritoneum, under the condition that the proper hooking position on the peritoneum is not found, the combination of the elastic gauze and the liver is too loose or too tight, the blocking and limiting effect on the liver is limited when the elastic gauze is too loose, and the liver is excessively pressed when the elastic gauze is too tight. Thus, the liver baffle disclosed in this patent is not a suitable baffle and is of limited use in actual surgery.

In summary, a liver suspension baffle with a more reasonable structure needs to be developed and designed to solve the above technical problems.

Disclosure of utility model

The utility model provides a folding intraoperative liver suspension baffle which has reasonable structural design, high structural strength, easy expansion in abdominal cavity and easy fixing position, is quickly placed in the abdominal cavity through a laparoscope channel and is quickly expanded and fixed, provides proper suspension and baffle effect for the liver, and continuously ensures good operation vision during operation.

The utility model adopts the technical proposal for solving the technical problems in the prior art that: the utility model provides a liver suspension separates baffle in folding art includes diamond-shaped, plastics material's outer frame, is equipped with transparent separation membrane piece in the inboard of outer frame, is equipped with upper portion folding portion in the middle part of the upper portion framework of outer frame, and middle part folding portion is equipped with in the middle part of middle part framework, and lower part folding portion is equipped with in the middle part of lower part framework, and each folding portion makes outer frame form "W" shape folding; the middle parts of two frames of the upper frame body of the outer frame are respectively connected with a first pull rope and a second pull rope, the outer end of the first pull rope is provided with a first straight needle, the outer end of the second pull rope is provided with a second straight needle, and a bottom fixing rope is arranged below the middle part of the bottom frame body of the outer frame.

Preferably: the outer frame is of an integral injection molding structure, all the angular positions of the outer frame are in arc transition, the upper folding part, the middle folding part and the lower folding part are flat concave parts which are integrally formed on corresponding frames of the outer frame, and the thicknesses of the frames of the flat concave parts are smaller than those of the frames on two sides.

Preferably: the baffle membrane is an inelastic membrane or an elastic membrane, and the outer edge of the baffle membrane is continuously adhered and fixed with the outer frame.

Preferably: the first stay cord and the second stay cord are inelastic ropes, the inner ends of the first stay cords are wound on the upper frame of the outer frame in a multi-turn mode and are fixed in an adhesive mode, and the inner ends of the second stay cords are wound on the frame of the outer frame in a multi-turn mode and are fixed in an adhesive mode.

Preferably: the bottom fixing rope is an inelastic rope, and two ends of the inelastic rope are wound on the bottom frame of the outer frame in multiple circles respectively and are fixed in an adhesive mode.

Preferably: a part of the bottom of the baffle membrane is removed to form a membrane notch, so that the bottom frame of the outer frame is not connected with the baffle membrane.

Preferably: the sterile packaging bag is characterized by further comprising a sealed and tearable sterile packaging bag, the main body part of the suspension baffle is positioned in the sterile packaging bag in a folded state, and the first pull rope, the first straight needle, the second pull rope and the second straight needle are clamped in the baffle membrane in the folded state.

The utility model has the advantages and positive effects that:

The utility model provides a folding intraoperative liver suspension baffle plate with reasonable structural design, which is placed in an abdominal cavity through a laparoscope channel and is unfolded and fixed, and a visual field is established and maintained for abdominal operation through suspension and baffle of the liver. Compared with the existing baffle device, the main body part of the liver suspension baffle plate disclosed by the utility model is composed of the diamond-shaped outer frame and the baffle membrane, the baffle area of the diamond-shaped main body part to the liver is larger, the outer frame is used as a supporting frame of the baffle membrane, and the baffle membrane can be kept in a specific unfolding state and cannot be easily deformed and shifted in the using process, so that the effect of keeping the operation view in the operation process is better.

Through setting up first stay cord and first straight needle, second stay cord and the fixed rope in second straight needle and bottom, make this suspension baffle that separates can be fixed in the abdominal cavity conveniently, wear out two stay cords by patient's abdominal cavity wall through straight needle and fix at outside adoption clamping etc., adopt clamping to fix the fixed rope in bottom and the tissue in the abdominal cavity, therefore this suspension baffle that separates can set for the effective length of stay cord according to the difference of different patient's health condition, has realized suspending and separating the liver more reasonable, if find in the art this suspension that separates the baffle and appear lax problem, still can pull the stay cord through outside and fix the regulation that separates the baffle to this suspension again.

Through setting up upper portion folding portion, middle part folding portion and lower part folding portion on outer frame, make this hang main part that separates the baffle can carry out the folding of "W" shape, the size reduces in order to get into the inside of abdominal cavity by the peritoneoscope passageway smoothly after folding, doctor can adopt surgical instrument to operate its expansion and fix fast and conveniently in the abdominal cavity, can fold main part and take out by the peritoneoscope passageway fast and conveniently after cutting two stay cords and bottom fixed rope after the operation is finished, therefore this liver hangs and separates baffle convenient operation, reduced doctor's operation burden.

Drawings

FIG. 1 is a schematic view of the deployed configuration of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of the portion C of FIG. 1;

FIG. 5 is a schematic view of the use of the present utility model;

fig. 6 is a schematic diagram of a factory package structure of the present utility model as a standardized consumable.

In the figure:

1. A first straight needle; 2. a first pull rope; 3. an outer frame; 4. an upper folding portion; 5. a second pull rope; 6. a second straight needle; 7. a middle folding part; 8. a barrier membrane; 9. a lower folded part; 10. a diaphragm notch; 11. a bottom fixing rope; 12. liver; 13. the abdominal wall; 14. an external clip; 15. an internal clip; 16. and (5) packaging the sterile packaging bag.

Detailed Description

In order to further understand the summary, features and advantages of the present utility model, the following examples are set forth in detail.

Referring to fig. 1 and 5, the foldable intraoperative liver suspension baffle of the present utility model comprises a diamond-shaped, plastic outer frame 3, and a transparent baffle membrane 8 is provided on the inner side of the outer frame 3. The outer frame 3 and the baffle membrane 8 form a main body part of the liver suspension baffle, when the liver is unfolded in the abdominal cavity of a patient, the main body part is in contact with the liver and is positioned on one side of the liver facing the operation position, the liver is suspended by pulling and shifting the liver, and the baffle membrane 8 is used for baffle the outer side of the liver, so that the problem of the potential generation of the operation tool to the liver is effectively avoided while the visual field is established for the operation. Since the barrier membrane 8 is transparent, the physician can view the liver through the barrier membrane 8 during surgery.

In this embodiment, the outer frame 3 is of a unitary injection molding structure, the angular positions thereof are in arc transition, and the cross section of the frame of the outer frame 3 is preferably circular, so as to avoid the problem of puncturing and scraping of the tissue in the abdominal cavity caused by the tip and the edges. The barrier film 8 is selected from a non-elastic film or an elastic film, and its outer edge is continuously bonded and fixed to the outer frame 3.

An upper folding part 4 is arranged in the middle of the upper frame body of the outer frame 3, a middle folding part 7 is arranged in the middle of the middle frame body, a lower folding part 9 is arranged in the middle of the lower frame body, each folding part enables the outer frame 3 to be folded in a W shape, and correspondingly, a baffle membrane 8 is folded in a W shape when the outer frame 3 is folded. After folding, the body portion of the liver hanging barrier is reduced in size so that it can be placed into the abdomen of a patient via a laparoscopic tunnel, and after entering the abdomen, a surgeon can deploy and secure the body portion with surgical instruments.

Referring to fig. 2, 3 and 4, in the present embodiment, the upper folded portion 4, the middle folded portion 7 and the lower folded portion 9 are flat concave portions integrally formed on corresponding frames of the outer frame 3, and the frame thickness of the flat concave portions is smaller than that of the two sides. The plastic material constituting the outer frame 3 should not be a brittle material, but should be a plastic material so that folding can be performed at these three positions due to the reduced thickness dimensions of the upper folded portion 4, the middle folded portion 7, and the lower folded portion 9, specifically: the middle fold 7 of the present liver hanging partition panel may be folded in half along its midline, after which the two folds are each folded in half again along the midline of the upper fold 4 and the lower fold 9, i.e. forming a "W" shaped folded state, see fig. 6.

The middle parts of two frames of the upper frame body of the outer frame 3 are respectively connected with a first pull rope 2 and a second pull rope 5, the outer end of the first pull rope 2 is provided with a first straight needle 1, and the outer end of the second pull rope 5 is provided with a second straight needle 6. The first stay cord 2 and the second stay cord 5 are used for pulling and fixing the main part from the top, and first straight needle 1 and second straight needle 6 are used for pricking the abdominal wall 13 of patient respectively, draw first stay cord 2 and second stay cord 5 to the outside of abdominal wall 13, draw forth the stay cord to outside and can adopt outside clamping 14 to carry out the centre gripping fixed, through adjusting the centre gripping fixed position of outside clamping 14 on the stay cord, can set for the effective length of stay cord, when this suspension baffle lax problem appears in the art, can further outwards pull the stay cord after outside unclamping outside clamping 14 makes it further stretch out, later set up outside clamping 14 again and fix. The external clip 14 may be selected as an existing ligating clip. After the operation is completed, the first pulling rope 2 and the second pulling rope 5 are cut off.

In this embodiment, the first pull rope 2 and the second pull rope 5 are inelastic ropes, the inner end of the first pull rope 2 is wound on the upper frame of the outer frame 3 in multiple circles and is fixed in an adhesive manner, and the inner end of the second pull rope 5 is wound on the frame of the outer frame 3 in multiple circles and is fixed in an adhesive manner, so that the connection strength is ensured to avoid loosening. The outer end of the first stay cord 2 is fixedly connected with the inner end of the first straight needle 1, and the outer end of the second stay cord 5 is fixedly connected with the inner end of the second straight needle 6.

The bottom fixing rope 11 is arranged below the middle part of the bottom frame body of the outer frame 3, and the bottom fixing rope 11 is used for establishing connection (such as a small omentum sac and the like) between the bottom of the suspension baffle plate and tissues in the abdominal cavity, so that the effect of fixing the bottom of the main body part is realized. Specifically, the bottom fixing cord 11 may be clamped and fixed with the intra-abdominal tissue using the inner clip 15, and the inner clip 15 may be selected as an existing ligature clip. After the operation is completed, the bottom fixing rope 11 is cut and the internal clip 15 is released.

In this embodiment, the bottom fixing rope 11 is an inelastic rope, and its two ends are wound around the bottom frame of the outer frame 3 and adhered and fixed, so as to ensure the connection strength to avoid loosening.

In this embodiment, a portion of the bottom of the barrier membrane 8 is removed to form a membrane notch 10, so that the bottom frame of the outer frame 3 is not connected to the barrier membrane 8. The function of the diaphragm notch 10 is to: when the bottom frame of the outer frame 3 is in a naked state and the bottom fixing rope 11 is fixed with the intra-abdominal tissues by adopting the internal clamp 15 and the stability of the main body part cannot be ensured, the bottom frame of the outer frame 3 can be directly and fixedly connected with the intra-abdominal tissues by adopting the internal clamp 15, and the internal clamp 15 is released after operation.

Referring to fig. 6, the sterile packaging bag 16 is further provided with a sealed and tearable sterile packaging bag, wherein the main body part of the suspension barrier is positioned in the sterile packaging bag 16 in a folded state, and the first pull cord 2 and the first straight needle 1, the second pull cord 5 and the second straight needle 6 are clamped in the barrier film 8 in the folded state. The liver hanging baffle in the present utility model constitutes a standardized consumable product for use in laparoscopic surgery by enclosing the body portion in sterile packaging bag 16 from the factory. Because the first pull rope 2, the first straight needle 1, the second pull rope 5 and the second straight needle 6 are clamped in the middle, the straight needles are not easy to puncture, the safety is improved, and further, a safety sleeve can be arranged for the straight needles to further prevent the sterile packaging bag 16 from being punctured.

The using mode is as follows:

The suspension baffle plate is used before laparoscopic surgery; after the laparoscopic tunnel is established on the abdominal wall 13 of the patient, the sterile packaging bag 16 is torn open and the internal hanging barrier is removed; when in a folded state, the device is placed into an abdominal cavity through a laparoscope channel, then a suspension baffle plate is unfolded in the abdominal cavity by adopting an operation tool, the bottom of a main body part is fixed with intra-abdominal tissues by adopting an internal clamp 15, a straight needle is operated to pierce the abdominal cavity wall 13 of a patient, a pull rope is led out of the abdominal cavity and pulled, at the moment, the main body part is abutted against the liver 12 to realize the baffle, the pull rope is pulled to shift the liver 12 so as to realize suspension, an operation view is established, two external clamps 14 are arranged outside to fix the pull rope after the position is proper, and the first straight needle 1 and the second straight needle 6 can be cut off at the moment for improving the safety;

after the operation is completed, the two pulling ropes and the bottom fixing rope 11 are cut off in the abdominal cavity, the inner clamping 15 is detached, then the operation tool is used for folding the suspension baffle plate, the folded suspension baffle plate and the inner clamping 15 are taken out from the laparoscopic channel, and the pulling ropes and the outer clamping 14 are taken off from the abdominal cavity wall 13 from the outside.

Claims

1. A folding intraoperative liver suspension baffle, which is characterized in that: the plastic frame comprises a diamond-shaped plastic outer frame (3), wherein a transparent baffle membrane (8) is arranged on the inner side of the outer frame (3), an upper folding part (4) is arranged in the middle of an upper frame body of the outer frame (3), a middle folding part (7) is arranged in the middle of a middle frame body, a lower folding part (9) is arranged in the middle of a lower frame body, and the outer frame (3) is folded in a W shape through the folding parts; the middle parts of two frames of the upper frame body of the outer frame (3) are respectively connected with a first pull rope (2) and a second pull rope (5), the outer end of the first pull rope (2) is provided with a first straight needle (1), the outer end of the second pull rope (5) is provided with a second straight needle (6), and the lower part of the middle part of the bottom frame body of the outer frame (3) is provided with a bottom fixing rope (11).

2. The folding intraoperative liver suspension baffle of claim 1 wherein: the outer frame (3) is of an integral injection molding structure, all the angular positions of the outer frame are in arc transition, the upper folding part (4), the middle folding part (7) and the lower folding part (9) are flat concave parts which are integrally formed on corresponding frames of the outer frame (3), and the frame thickness of the flat concave parts is smaller than that of the two sides.

3. The folding intraoperative liver suspension baffle of claim 2 wherein: the baffle membrane (8) is an inelastic membrane or an elastic membrane, and the outer side edge of the baffle membrane is continuously adhered and fixed with the outer frame (3).

4. A folding intraoperative liver suspension baffle as in claim 3 wherein: the first pull rope (2) and the second pull rope (5) are inelastic ropes, the inner ends of the first pull ropes (2) are wound on the upper frame of the outer frame (3) in multiple circles and are fixed in an adhesive mode, and the inner ends of the second pull ropes (5) are wound on the frame of the outer frame (3) in multiple circles and are fixed in an adhesive mode.

5. The folding intraoperative liver suspension baffle of claim 4 wherein: the bottom fixing rope (11) is an inelastic rope, and two ends of the inelastic rope are wound on the bottom frame of the outer frame (3) in multiple circles respectively and are fixed in an adhesive mode.

6. The folding intraoperative liver suspension baffle of claim 5 wherein: a part of the bottom of the baffle membrane (8) is removed to form a membrane notch (10), so that the bottom frame of the outer frame (3) is not connected with the baffle membrane (8).

7. The folding intraoperative liver suspension baffle of claim 6 wherein: the sterile packaging bag is characterized by further comprising a closed and tearable sterile packaging bag (16), wherein the main body part of the suspension baffle is positioned in the sterile packaging bag (16) in a folded state, and the first pull rope (2) and the first straight needle (1), the second pull rope (5) and the second straight needle (6) are clamped in the baffle membrane (8) in the folded state.