CN111658093A - Automatic peritoneum puncture and separation device suitable for no peritoneal cavity hydrops - Google Patents
Automatic peritoneum puncture and separation device suitable for no peritoneal cavity hydrops Download PDFInfo
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- CN111658093A CN111658093A CN202010660718.9A CN202010660718A CN111658093A CN 111658093 A CN111658093 A CN 111658093A CN 202010660718 A CN202010660718 A CN 202010660718A CN 111658093 A CN111658093 A CN 111658093A
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- 238000000926 separation method Methods 0.000 title claims abstract description 41
- 210000003200 peritoneal cavity Anatomy 0.000 title claims abstract description 20
- 210000004303 peritoneum Anatomy 0.000 title claims description 24
- 206010030113 Oedema Diseases 0.000 title claims description 12
- 241000521257 Hydrops Species 0.000 title claims description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 210000003567 ascitic fluid Anatomy 0.000 claims description 17
- 230000003187 abdominal effect Effects 0.000 claims description 6
- 230000037368 penetrate the skin Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 2
- 239000011120 plywood Substances 0.000 claims 2
- 210000003781 tooth socket Anatomy 0.000 claims 2
- 230000000968 intestinal effect Effects 0.000 abstract description 11
- 210000000505 parietal peritoneum Anatomy 0.000 abstract description 8
- 210000000504 visceral peritoneum Anatomy 0.000 abstract description 8
- 206010003445 Ascites Diseases 0.000 abstract description 4
- 210000000683 abdominal cavity Anatomy 0.000 description 14
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 206010033675 panniculitis Diseases 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000004304 subcutaneous tissue Anatomy 0.000 description 4
- 238000002324 minimally invasive surgery Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000004379 membrane Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009278 visceral effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 210000000562 peritoneum layer Anatomy 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 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
- A61B17/34—Trocars; Puncturing needles
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0281—Abdominal wall lifters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
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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
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses an automatic peritoneal puncture and separation device suitable for no-peritoneal-effusion, which comprises: the shell component is provided with a drainage cavity and a puncture needle movably arranged in the drainage cavity, and the puncture needle is hollow; the ejection traction mechanism is arranged in the shell assembly and is provided with an ejection button and a reset handle, wherein the linkage ejection plate is used for controlling the ejection and the reset of the linkage ejection plate; and the two ejection needles are of U-shaped structures, are respectively and movably arranged at two ends of the linkage ejection plate, are in transmission connection with the linkage ejection plate, can be ejected to pierce the skin under the control of the ejection button and/or can be retracted to be separated from the skin under the control of the reset handle. The automatic peritoneal puncture and separation device can realize the separation of visceral peritoneum and parietal peritoneum, is convenient for the puncture needle to safely enter the peritoneal cavity without damaging the intestinal canal, reduces the operation difficulty and the operation time consumption, and improves the operation efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an automatic peritoneal puncture and separation device suitable for no-peritoneal-cavity effusion.
Background
The problem of the abdominal cavity hot perfusion chemotherapy is that a drainage tube is successfully arranged in the abdominal cavity. For the case of the presence of the abdominal dropsy, the current technology is to use a puncture needle to perform blind puncture at a conventional puncture point or puncture under the guidance of B-ultrasonic, to put a guide wire after ascites is found by pumpback, to put a drainage tube into the drainage tube by guide wire exchange, which belongs to the class I operation and has low difficulty.
However, in case of no effusion of abdominal cavity, the visceral peritoneum and parietal peritoneum are naturally attached, and the conventional technology has high risk of damaging the intestinal canal, high operation difficulty and high failure rate. Even if the puncture needle is used for puncture under the guidance of B ultrasonic, the needle point of the puncture needle cannot be ensured to be accurately arranged between two layers of peritoneum of the visceral wall, and the intestinal canal can be damaged by carelessness, so that serious complications such as intestinal leakage and the like can be caused.
Therefore, in the prior art, the operation difficulty and the risk of placing the tube for the abdominal cavity puncture without the abdominal dropsy are high, and the intestinal tube can be damaged by careless operation, so that serious complications such as intestinal leakage and the like can be caused. Therefore, how to separate the visceral and parietal peritoneum without the accumulated fluid in the abdominal cavity and make the puncture needle safely enter the peritoneal cavity without damaging the intestinal canal becomes a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the automatic peritoneal puncture and separation device which is suitable for no peritoneal effusion and has the advantages that a puncture needle safely enters a peritoneal cavity without damaging an intestinal canal is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an automatic peritoneal puncture and separation device suitable for no-peritoneal-fluid, comprising:
the shell component is provided with a drainage cavity and a puncture needle movably arranged in the drainage cavity, and the puncture needle is hollow;
the ejection traction mechanism is arranged in the shell assembly and is provided with an ejection button and a reset handle, wherein the ejection button and the reset handle are used for controlling the ejection and the reset of the linkage ejection plate; and
and the two ejection needles are U-shaped structures, are respectively and movably arranged at two ends of the linkage ejection plate, are in transmission connection with the linkage ejection plate, can be ejected under the control of the ejection button to pierce the skin and/or can be retracted under the control of the reset handle to be separated from the skin.
Further, in the automated laparoscopic separation peritoneal device adapted for the absence of peritoneal fluid, the housing assembly comprises:
the drainage cavity is formed in the central axis of the cylinder body and extends downwards to the bottom of the hollow traction plate;
the middle part of the hollow traction plate is vertical to the lower end of the cylinder; and
and the puncture needle is movably arranged in the drainage cavity.
Preferably, the automatic peritoneal puncture and separation device suitable for the non-peritoneal-cavity effusion is characterized in that the two ends of the hollow traction plate are respectively provided with a first needle slot, and the two ends of the hollow traction plate are respectively hinged with the ejection needles.
Further preferably, in the automatic peritoneal puncture and separation device suitable for the absence of peritoneal fluid, the lower surface of the hollow retractor plate has a shape that is fitted with the surface features of the abdomen.
Further, on the automatic peritoneum puncture and separation device suitable for no hydrops in the abdominal cavity, the ejection pulling mechanism comprises:
the linkage ejection plate is of a Z-shaped structure, an ejection spring and an ejection seat are arranged in the middle of the linkage ejection plate, one end of the ejection spring is connected with the ejection seat, and the other end of the ejection spring is connected with a limiting block;
the trigger ejector rod is in abutting connection with the ejection seat, and the upper end of the trigger ejector rod is connected with a return spring;
the lower end of the ejection rod is provided with a first pin and is in abutting connection with the lower end of the trigger ejector rod;
the ejection button is arranged on the barrel and is connected with the top end of the ejection rod; and
the lower end of the reset handle is provided with a second pin, the bottom end of the reset handle is movably connected with the linkage ejection plate, and the upper end of the reset handle extends upwards and is arranged on one side of the barrel.
Further preferably, on the automatic peritoneum puncture separation peritoneum device suitable for no peritoneal cavity hydrops, the linkage ejection plate comprises first toothed plate, spring assembly pole and the second toothed plate that connects gradually, wherein:
the outer ends of the first toothed plate and the second toothed plate are respectively provided with a second needle groove corresponding to the first needle groove;
the upper surface of first meshing board outer end is provided with first tooth's socket, the lower surface of second meshing board outer end is provided with the second tooth's socket, just the level of first tooth's socket is less than the level of second tooth's socket.
Further preferably, on the automatic peritoneum puncture and separation device suitable for no hydrops in abdominal cavity, a reset slotted hole is formed at the inner end of the first toothed plate, and the bottom end of the reset handle is arranged in the reset slotted hole.
Further preferably, the automatic peritoneal puncture separation device suitable for the non-peritoneal-cavity effusion is characterized in that the limiting block and the launching spring are movably sleeved on the spring assembling rod, and the limiting block is fixedly connected with the hollow traction plate.
Further preferably, on the automatic peritoneum puncture separation peritoneum device suitable for no peritoneal cavity hydrops, the ejection needle is hinged to two ends of the hollow traction plate through a rotating shaft, and a rack matched with the first tooth groove and the second tooth groove is arranged on the rotating shaft along the circumferential direction of the rotating shaft.
More preferably, the two ejection needles are symmetrically arranged and located on the same horizontal plane on the automatic peritoneal puncture and separation device suitable for the non-hydrops abdominal cavity.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
(1) the ejection traction mechanism is adopted to control the ejection needle to pierce the skin, and the visceral peritoneum and the parietal peritoneum can be separated by lifting the device upwards, so that the puncture needle can safely enter the peritoneal cavity without damaging the intestinal canal, the operation difficulty is reduced, the operation time is greatly reduced, and the operation efficiency is improved;
(2) the ejection button and the reset handle can realize ejection and reset of the ejection needle, so that the peritoneal separation device can be used repeatedly, drainage tubes at multiple parts of the abdominal cavity are placed, and the working strength of medical staff is reduced;
(3) synchronous ejection and resetting of the two ejection needles are realized by adopting a linkage ejection plate, and the two ejection needles are arranged oppositely, so that the peritoneum separating device can firmly grasp the skin and is not easy to slip off from the skin, and the operation stability is improved;
(4) this automatic peritoneum device is separated in abdominocentesis, its structural design is novel, easy operation, and it is nimble convenient to use, provides very good operability for the operator, makes the wicresoft wound operation time shorter, and the operation doctor experiences better, and the practicality is good, has good popularization and application and worth.
Drawings
FIG. 1 is a schematic view of the overall structure of an automatic peritoneum puncturing and separating apparatus according to the present invention, which is adapted for use without accumulated peritoneal fluid;
FIG. 2 is a schematic cross-sectional view of an automatic peritoneum puncturing and separating apparatus according to the present invention, which is adapted for use without accumulated peritoneal fluid;
FIG. 3 is a schematic view of a partially enlarged structure of portion A of an apparatus for automatic abdominocentesis separation of peritoneal membrane of the present invention without effusion of the peritoneal cavity;
FIG. 4 is a schematic view of a partially enlarged structure of part B of an apparatus for automatic abdominocentesis separation of peritoneum in accordance with the present invention, which is adapted for the absence of an accumulated peritoneal fluid;
FIG. 5 is a schematic view of a partially enlarged structure of portion C of an apparatus for automated abdominocentesis separation of peritoneal membrane of the present invention, which is adapted for the absence of peritoneal fluid;
FIG. 6 is a schematic view of the structure of the ejection needle of the automatic abdominocentesis separation peritoneum device of the present invention adapted for the absence of peritoneal fluid;
FIG. 7 is a schematic structural view of a linkage ejection plate in the automatic peritoneum puncturing and separating device of the present invention, which is suitable for the automatic peritoneum puncturing and separating device without the effusion of the abdominal cavity;
FIG. 8 is a schematic structural view of an ejection pulling mechanism in an automatic abdominocentesis separation peritoneum device suitable for use without ascites in accordance with the present invention;
FIG. 9 is a structural diagram of the automatic peritoneum puncturing and separating device of the present invention, showing the operational status thereof without effusion;
wherein the reference symbols are:
100-a shell component, 101-a barrel, 102-a drainage cavity, 103-a hollow traction plate, 104-a puncture needle, 105-a first needle groove; 200-ejection drawing mechanism, 201-linkage ejection plate, 202-ejection button, 203-reset handle, 204-first toothed plate, 205-spring assembly rod, 206-second toothed plate, 207-reset slotted hole, 208-emission spring, 209-ejection seat, 210-limiting block, 211-trigger ejector rod, 212-ejection rod, 213-first pin, 214-reset spring, 215-second pin, 216-reset spring, 217-second pin groove, 218-first tooth groove and 219-second tooth groove; 300-ejection needle, 301-rotating shaft, 302-rack; 400-drainage tube.
Detailed Description
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
Referring to fig. 1 and 9, the present embodiment provides an automatic peritoneal puncture separation device suitable for non-effusion of peritoneal cavity, which includes a housing assembly 100, an ejection pulling mechanism 200 and two ejection needles 300, wherein the housing assembly 100 is used for puncturing skin and guiding a drainage tube 400 into peritoneal cavity; the ejection pulling mechanism 200 provides driving power for ejecting the ejection needle 300 to penetrate the skin and subcutaneous tissue in an ejection manner to create a condition for lifting the skin.
In this embodiment, referring to fig. 1, the housing assembly 100 has a drainage lumen 102 and a puncture needle 104 movably disposed in the drainage lumen 102, and the puncture needle 104 is hollow and is used for penetrating a guide wire.
In this embodiment, referring to fig. 2, the ejection pulling mechanism 200 is disposed in the housing assembly 100, and has an ejection button 202 and a reset handle 203 for controlling the ejection and reset of the linked ejection plate 201, wherein the linked ejection plate 201 is linked with the ejection button 202; the ejection traction mechanism 200 is adopted to control the ejection needle 300 to pierce the skin, and the visceral peritoneum and parietal peritoneum can be separated by lifting the device upwards, so that the puncture needle 104 can safely enter the peritoneal cavity without damaging the intestinal canal, the operation difficulty is reduced, the operation time is greatly reduced, and the operation efficiency is improved.
In this embodiment, please refer to fig. 1 and 2, the peritoneum separation device includes two ejection needles 300, wherein the ejection needles 300 are U-shaped, are respectively movably disposed at two ends of the linked ejection plate 201, and are in transmission connection with the linked ejection plate 201, and can be ejected to penetrate the skin under the control of the ejection button 202 and/or retracted to be separated from the skin under the control of the reset handle 203. Through the ejection button 202 and the reset handle 203, repeated ejection and reset of the ejection needle 300 can be realized, so that the peritoneal separation device can be used repeatedly, drainage tubes at multiple parts of the abdominal cavity can be placed, and the working strength of medical staff is reduced.
As a preferred embodiment, and with continued reference to fig. 1, the housing assembly 100 includes: the central axis of the cylinder body 101 is provided with the drainage cavity 102, and the drainage cavity 102 extends downwards to the bottom of the hollow traction plate 103; the middle part of the hollow traction plate 103 is vertically arranged with the lower end of the cylinder 101; and a puncture needle 104, wherein the puncture needle 104 is movably arranged in the drainage cavity 102.
In this embodiment, referring to fig. 1, two ends of the hollow pulling plate 103 are respectively provided with a first needle groove 105 for accommodating the ejection needle 300 to perform the flipping ejection and the flipping reset, and two ends of the hollow pulling plate 103 are respectively hinged to the ejection needle 300, and a second needle groove 217 is further formed in the position of the hollow pulling plate 103 corresponding to the first needle groove 105.
In this embodiment, referring to fig. 1, the lower surface of the hollow pulling plate 103 has a shape fitting to the abdominal body surface feature, such as an arc structure, so that the peritoneum separation device can be stably fitted to the abdominal body surface of the patient during use, thereby improving the stability of operation and preventing slippage.
As another preferred embodiment, referring to fig. 2, the ejector pulling mechanism 200 includes: the linked ejection plate 201 is of a Z-shaped structure, the heights of two ends of the linked ejection plate 201 are different, the middle of the linked ejection plate is provided with an ejection spring 208 and an ejection seat 209, one end of the ejection spring 208 is connected with the ejection seat 209, the other end of the ejection spring 208 is connected with a limiting block 210, the limiting block 210 is fixedly connected with the hollow traction plate 103 so as to provide reverse acting force for the ejection spring 208, and the ejection seat 209 is jacked up to drive the linked ejection plate 201 to eject towards one side when not being subjected to the action of external force, so that ejection needles 300 at two ends of the linked ejection plate 201 are driven to penetrate into skin and subcutaneous tissues, and the condition for lifting the skin is created.
In this embodiment, referring to fig. 2 and 4, the ejection pulling mechanism 200 further includes: a trigger ejector rod 211 fixed on the side wall of the hollow traction plate 103 through a pin, wherein the trigger ejector rod 211 can be abutted against and connected with the ejection seat 209 in the resetting process of the ejection seat 209 to limit the ejection seat 209, and the ejection seat 209 is separated from the ejection seat 209 in the ejection process to release elastic potential energy, the upper end of the trigger ejector rod 211 is connected with a return spring 216, and the return spring 216 is fixed on the side wall of the hollow traction plate 103.
In this embodiment, with continued reference to fig. 2 and 5, the ejection and pulling mechanism 200 further includes: and the lower end of the ejection rod 212 is provided with a first pin 213, and the ejection rod is connected with the lower end of the trigger top rod 211 in an abutting mode.
In this embodiment, referring to fig. 3, the ejection pulling mechanism 200 further includes: and the ejection button 202 is arranged on the barrel 101, and is in abutting connection with the top end of the ejection rod 212.
In this embodiment, referring to fig. 2 and 4, the ejection pulling mechanism 200 further includes: the lower end of the reset handle 203 is fixed on the barrel body 101 through a second pin 215, the bottom end of the reset handle 203 is movably connected with the linkage ejection plate 201, the upper end of the reset handle upwards extends to be arranged at one side of the outer wall of the barrel body 101, the barrel body 101 and the handheld reset handle 203 are convenient to hold simultaneously, the reset handle 203 is tightened to the inner side, the linkage ejection plate 201 in the ejection traction mechanism 200 is pushed to the other end through manual operation, the ejection seat 209 is clamped by the trigger ejector rod 211, and the reset action of the ejection traction mechanism 200 is completed.
In addition, in this embodiment, referring to fig. 2 and 3, a return spring 214 is further provided on the side of the top end of the ejecting rod 212, and a return spring 214 is also provided on the side of the return handle 203, one end of the return spring 214 is fixed to the barrel 101 by a screw, and the other end is connected to the top end of the ejecting rod 212 and the middle portion of the return handle 203. So that the ejecting button and the reset handle 203 are always in a tensioned state to the outside, and the structural stability of the reset handle 203 and the ejecting rod 212 is maintained.
As another preferred embodiment, referring to fig. 2, 7 and 8, the linked ejector plate 201 is composed of a first gear plate 204, a spring assembly rod 205 and a second gear plate 206 which are connected in sequence, and the joint of the second gear plate 206 and the spring assembly rod 205 is in smooth transition upwards and is arranged horizontally as a whole. Specifically, the first toothed plate 204, the spring assembling rod 205 and the second toothed plate 206 are made of metal materials through integral casting or machining, and are made of aluminum alloy and stainless steel materials, so that the local hardness and the wear resistance are realized. Wherein, the outer ends of the first toothed plate 204 and the second toothed plate 206 are respectively provided with a second needle groove 217 corresponding to the first needle groove 105; the upper surface of the outer end of the first gear plate 204 is provided with a first tooth groove 218, the lower surface of the outer end of the second gear plate 206 is provided with a second tooth groove 219, and the horizontal height of the first tooth groove 218 is lower than that of the second tooth groove 219.
In this embodiment, referring to fig. 7 and 8, a reset slot 207 is formed at an inner end of the first toothed plate 204, and a bottom end of the reset handle 203 is hook-shaped and disposed in the reset slot 207 to prevent the reset handle from being separated from the reset slot 207 during the reset process. The hook-shaped bottom end of the reset handle 203 is utilized to push the linkage ejection plate 201 to move towards the reset side in the reset slot 207 by utilizing the lever principle in the reset operation process.
In this embodiment, referring to fig. 8, the limiting block 210 and the launching spring 208 are movably sleeved on the spring assembling rod 205, the ejection seat 209 is welded at the inner end of the spring assembling rod 205 and is disposed near the second gear plate 206, and the limiting block 210 is fixedly connected with the hollow pulling plate 103.
As another preferred embodiment, referring to fig. 6, the shooting needle 300 has a U-shaped structure, a root of one end of which is welded and fixed to the middle of the rotating shaft 301, and a tip of the other end of which extends outward in an arc shape. The ejection needle 300 is hinged to two ends of the hollow pulling plate 103 through a rotating shaft 301, and a rack 302 matched with the first tooth groove 218 and the second tooth groove 219 is arranged on the rotating shaft 301 along the circumferential direction of the rotating shaft 301. The ejection needle 300 slides left and right under the driving action of the rack 302 and the first and second tooth grooves 218 and 219, so that the ejection action or the reset action of the ejection needle 300 is realized.
In this embodiment, referring to fig. 1, 2, 8 and 9, in the automatic peritoneal puncture separation device, the two ejection needles 300 are symmetrically arranged, and the two ejection needles 300 are always located on the same horizontal plane in the ejection state or the reset state and symmetrically arranged by using the Z-shaped structure design of the linked ejection plate 201. Synchronous ejection and resetting of the two ejection needles 300 are realized by adopting the linkage ejection plate 201, and the two ejection needles 300 are arranged oppositely, so that the peritoneal separating device can firmly grasp the skin and is not easy to slip off from the skin, and the operation stability is improved.
Referring to fig. 9, the automatic peritoneal puncture and separation device for peritoneal without effusion in peritoneal cavity of this embodiment has the following working principle:
(1) after abdominal skin is subjected to surface anesthesia, the lower surface of a hollow traction plate (103) of the automatic peritoneal puncture separation device is placed to be clung to the skin, a puncture needle 104 is inserted through a drainage cavity 102, and the hollow puncture needle 104 is inserted into the skin;
(2) manually pressing an ejection button 202 on the barrel body 101 to activate ejection, and enabling two ejection needles 300 to simultaneously penetrate into skin and subcutaneous tissues through an ejection traction mechanism (200) so as to create a condition for lifting the skin;
(3) the cylinder body 101 is held by hand and lifted upwards, the skin and subcutaneous tissues are lifted upwards under the connecting action of the ejection needle 300, the visceral peritoneum is separated from the parietal peritoneum, and an abdominal cavity is formed between the visceral peritoneum and the parietal peritoneum;
(4) the puncture needle 104 on the cylinder body 101 is continuously pressed manually, so that the puncture needle 104 further punctures the deep part of the skin, the pressing is stopped when a breakthrough feeling exists, and the needle tip of the puncture needle 104 enters the abdominal cavity;
(5) the guide wire is passed through the hollow lumen of the puncture needle 104 into the abdominal cavity;
(6) the guide wire is reserved, the reset handle 203 and the barrel 101 are held at the same time, the reset handle 203 is continuously held tightly to reset the linkage ejection plate 201, the two ejection needles 300 are synchronously driven to leave the skin and retract into the needle grooves;
(7) after the conventional puncture tube placing scheme is used and the dilatation tube is placed into the puncture channel through the guide wire, the drainage tube 400 is placed along the guide wire and fixed, and the operation is finished.
The automatic peritoneum puncture and separation device suitable for no peritoneal cavity hydrops that this embodiment provided has realized that the peritoneal cavity puncture of no peritoneal cavity hydrops puts the pipe. The ejection traction mechanism 200 is adopted to control the ejection needle 300 to penetrate into the skin, and the device is lifted upwards to realize the separation of visceral peritoneum and parietal peritoneum, so that the puncture needle 104 can safely enter the peritoneal cavity without damaging the intestinal canal, the operation difficulty is reduced, the operation time is greatly reduced, and the operation efficiency is improved; the minimally invasive surgery instrument is novel in structural design, simple to operate, flexible and convenient to use, and good operability is provided for an operator, so that the minimally invasive surgery time is shorter, the experience of a surgeon is better, the practicability is good, and the minimally invasive surgery instrument has good popularization and application values.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides an automatic peritoneum puncture separation peritoneum device suitable for no peritoneal cavity hydrops which characterized in that includes:
the puncture needle assembly comprises a shell assembly (100) and a puncture needle (104), wherein the shell assembly is provided with a drainage cavity (102) and the puncture needle (104) is movably arranged in the drainage cavity (102), and the puncture needle (104) is hollow;
the ejection traction mechanism (200) is arranged in the shell assembly (100), and is provided with an ejection button (202) and a reset handle (203) which are used for controlling the ejection and the reset of the linkage ejection plate (201) through a linkage ejection plate (201); and
the two ejection needles (300) are U-shaped structures, are respectively and movably arranged at two ends of the linkage ejection plate (201), are in transmission connection with the linkage ejection plate (201), can be ejected to penetrate the skin under the control of the ejection button (202), and/or can be retracted to be separated from the skin under the control of the reset handle (203).
2. The automated laparoscopic peritoneal separation device adapted for use without peritoneal fluid of claim 1, wherein said housing assembly (100) comprises:
the central axis of the barrel body (101) is provided with the drainage cavity (102), and the drainage cavity (102) extends downwards to the bottom of the hollow traction plate (103);
the middle part of the hollow traction plate (103) is vertically arranged with the lower end of the cylinder (101); and
the puncture needle (104) is movably arranged in the drainage cavity (102).
3. The peritoneal device for automatic abdominocentesis separation without peritoneal fluid according to claim 2, wherein the hollow pulling plate (103) has first needle-receiving slots (105) formed at both ends thereof, and the hollow pulling plate (103) has both ends thereof hinged to the eject needle (300).
4. The automated laparoscopic peritoneal separation device adapted for use without peritoneal fluid of claim 2, wherein the lower surface of the hollow retractor plate (103) has a shape that conforms to the surface features of the abdominal body.
5. The automated peritoneum puncturing and separating device without peritoneal fluid according to claim 1, wherein said ejection pulling mechanism (200) comprises:
the linkage ejection plate (201) is of a Z-shaped structure, an ejection spring (208) and an ejection seat (209) are arranged in the middle of the linkage ejection plate (201), one end of the ejection spring (208) is connected with the ejection seat (209), and the other end of the ejection spring is connected with a limiting block (210);
the trigger ejector rod (211) is in snap connection with the linkage ejection plate (201), and the upper end of the trigger ejector rod (211) is connected with a return spring (216);
the lower end of the ejection rod (212) is provided with a first pin (213) and is in abutting connection with the lower end of the trigger ejector rod (211);
the ejection button (202) is arranged on the barrel body (101) and is connected with the top end of the ejection rod (212); and
the lower end of the reset handle (203) is provided with a second pin (215), the bottom end of the reset handle (203) is movably connected with the linkage ejection plate (201), and the upper end of the reset handle extends upwards and is arranged on one side of the barrel body (101).
6. The peritoneal device for automated laparoscopic separation without peritoneal fluid of claim 5, wherein the linkage ejector plate (201) is composed of a first toothed plate (204), a spring-loaded rod (205), and a second toothed plate (206) connected in series, wherein:
the outer ends of the first gear plate (204) and the second gear plate (206) are respectively provided with a second needle containing groove (217) corresponding to the first needle containing groove (105);
the upper surface of first tooth plywood (204) outer end is provided with first cogged groove (218), the lower surface of second tooth plywood (206) outer end is provided with second cogged groove (219), just the level of first cogged groove (218) is less than the level of second cogged groove (219).
7. The peritoneal device for automated laparoscopic separation without peritoneal fluid of claim 6, wherein the first engagement plate (204) has a reset slot (207) formed at an inner end thereof, and the reset handle (203) has a bottom end disposed in the reset slot (207).
8. The peritoneal device for automatic abdominocentesis separation without peritoneal fluid according to claim 6, wherein the stopper (210) and the firing spring (208) are movably sleeved on the spring assembly rod (205), and the stopper (210) is fixedly connected with the hollow pulling plate (103).
9. The peritoneal device for automated laparoscopic separation without peritoneal fluid according to claim 5, wherein the ejection needle (300) is hinged to both ends of the hollow drawplate (103) by a rotating shaft (301), and the rotating shaft (301) is provided with a rack (302) along its circumference for matching with the first tooth socket (218) and the second tooth socket (219).
10. The peritoneal device for automated laparoscopic separation without peritoneal fluid of claim 9, wherein the two firing needles (300) are symmetrically arranged and located on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660718.9A CN111658093A (en) | 2020-07-10 | 2020-07-10 | Automatic peritoneum puncture and separation device suitable for no peritoneal cavity hydrops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660718.9A CN111658093A (en) | 2020-07-10 | 2020-07-10 | Automatic peritoneum puncture and separation device suitable for no peritoneal cavity hydrops |
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| Publication Number | Publication Date |
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| CN111658093A true CN111658093A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010660718.9A Pending CN111658093A (en) | 2020-07-10 | 2020-07-10 | Automatic peritoneum puncture and separation device suitable for no peritoneal cavity hydrops |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137665A (en) * | 2020-10-21 | 2020-12-29 | 上海市公共卫生临床中心 | Adjustable automatic peritoneal puncture and separation device |
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