CN111658093B - Automatic peritoneal puncturing and separating device suitable for peritoneal cavity effusion - Google Patents
Automatic peritoneal puncturing and separating device suitable for peritoneal cavity effusion Download PDFInfo
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- CN111658093B CN111658093B CN202010660718.9A CN202010660718A CN111658093B CN 111658093 B CN111658093 B CN 111658093B CN 202010660718 A CN202010660718 A CN 202010660718A CN 111658093 B CN111658093 B CN 111658093B
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- 210000003200 peritoneal cavity Anatomy 0.000 title claims abstract description 35
- 210000003567 ascitic fluid Anatomy 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 238000009825 accumulation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 206010003445 Ascites Diseases 0.000 claims description 7
- 239000011120 plywood Substances 0.000 claims description 4
- 210000001015 abdomen Anatomy 0.000 claims description 2
- 230000000968 intestinal effect Effects 0.000 abstract description 11
- 210000000683 abdominal cavity Anatomy 0.000 description 10
- 210000004303 peritoneum Anatomy 0.000 description 10
- 230000003187 abdominal effect Effects 0.000 description 4
- 206010033675 panniculitis Diseases 0.000 description 4
- 210000004304 subcutaneous tissue Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000000505 parietal peritoneum Anatomy 0.000 description 3
- 230000037368 penetrate the skin Effects 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001936 parietal effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 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
- 230000002441 reversible effect Effects 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
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses an automatic peritoneal puncturing and separating device suitable for peritoneal fluid without peritoneal fluid accumulation, which comprises the following components: the shell assembly is provided with a drainage cavity and a puncture needle movably arranged in the drainage cavity, and the puncture needle is hollow; the ejection pulling mechanism is arranged in the shell assembly and is provided with an ejection button and a reset handle, wherein the ejection button is used for controlling the ejection and reset of the linkage ejection plate; and the two ejection needles are in a U-shaped structure, are respectively and movably arranged at two ends of the linkage ejection plate, are in transmission connection with the linkage ejection plate, and can be ejected to penetrate into the skin under the control of the ejection button and/or retracted to be separated from the skin under the control of the reset handle. The automatic peritoneal cavity puncture separation peritoneal device can realize separation of the dirty layer peritoneal and the wall layer peritoneal, is convenient for the puncture needle to safely enter the peritoneal cavity without damaging the intestinal canal, reduces operation difficulty and operation time consumption, and improves operation efficiency.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an automatic peritoneal puncturing and separating device suitable for peritoneal cavity effusion.
Background
The problem of the abdominal cavity hot perfusion chemotherapy is that the drainage tube is successfully placed into the abdominal cavity. For the cases with abdominal dropsy, the prior art is to use a puncture needle to perform conventional puncture point blind puncture or puncture under the guidance of B ultrasonic, to suck back the ascites, then to put the drainage tube into the guide wire, and to put the drainage tube into the drainage tube through guide wire exchange, thus the difficulty is low, and the device belongs to the class I operation.
However, in cases where there is no peritoneal effusion, the dirty peritoneum and the parietal peritoneum are attached naturally, and the risk of damaging the intestinal canal is high, the operation difficulty is high, and the failure rate is high in the conventional technology at present. Even if the puncture needle is used for puncturing under the guidance of B ultrasonic, the needle point of the puncture needle can not be accurately placed between two layers of peritoneum of the dirty wall, the intestinal canal can be damaged by a little careless, and serious complications such as intestinal leakage and the like can be caused.
Therefore, in the prior art, the operation difficulty and the risk of the abdominal cavity puncture tube placement without the abdominal cavity effusion are high, the intestinal canal can be damaged by a little careless, and serious complications such as intestinal leakage and the like are caused. Therefore, how to realize the separation of the dirty and parietal peritoneum without peritoneal effusion, so that the puncture needle can safely enter the peritoneal cavity without damaging the intestinal canal, and the technical problem to be solved by the technicians in the field is urgent.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects in the prior art, an automatic peritoneal cavity puncture separation peritoneal device which is suitable for peritoneal cavity free effusion is provided, wherein a puncture needle safely enters a peritoneal cavity without damaging an intestinal canal.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The invention provides an automatic peritoneal puncturing and separating device suitable for peritoneal fluid without peritoneal fluid accumulation, which comprises the following components:
the shell assembly is provided with a drainage cavity and a puncture needle movably arranged in the drainage cavity, and the puncture needle is hollow;
the ejection pulling mechanism is arranged in the shell assembly and is provided with an ejection button and a reset handle, wherein the ejection button is used for controlling the ejection and reset of the linkage ejection plate; and
The two ejection needles are of U-shaped structures, are respectively movably arranged at two ends of the linkage ejection plate, are in transmission connection with the linkage ejection plate, and can be ejected to penetrate into skin under the control of the ejection button and/or retracted to be separated from skin under the control of the reset handle.
Further, on the automated peritoneal lancing separation device adapted for use with peritoneal fluid free, the housing assembly comprises:
The central axis of the cylinder body is provided with the drainage cavity, and the drainage cavity extends downwards to the bottom of the hollow traction plate;
the middle part of the hollow traction plate is vertically arranged with the lower end of the cylinder body; and
The puncture needle is movably arranged in the drainage cavity.
Further preferably, on the automatic peritoneal puncture separation device suitable for peritoneal fluid without peritoneal fluid, two ends of the hollow traction plate are respectively provided with a first needle groove, and two ends of the hollow traction plate are respectively hinged with the ejection needle.
Further preferably, in the automatic peritoneal puncture separation device suitable for peritoneal fluid without peritoneal fluid, the lower surface of the hollow pulling plate has a shape conforming to the body surface characteristics of the abdomen.
Further, on the automatic peritoneal puncturing and separating device suitable for peritoneal fluid without peritoneal fluid accumulation, the ejection pulling mechanism comprises:
The linkage ejection plate is of a Z-shaped structure, the middle of the linkage ejection plate is provided with an ejection spring and an ejection seat, 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 cylinder body and is connected with the top end of the ejection rod; and
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 cylinder.
Further preferably, in the automatic peritoneal puncturing and separating device suitable for peritoneal cavity effusion, the linkage ejection plate is composed of a first gear plate, a spring assembly rod and a second gear plate which are sequentially connected, wherein:
the outer ends of the first gear plate and the second gear plate are respectively provided with a second needle groove corresponding to the first needle groove;
the upper surface of first tooth plywood outer end is provided with first tooth groove, the lower surface of second tooth plywood outer end is provided with the second tooth groove, just the level of first tooth groove is less than the level of second tooth groove.
Further preferably, in the automatic peritoneal puncture separation device suitable for peritoneal cavity effusion, a reset slot is formed at the inner end of the first gear plate, and the bottom end of the reset handle is arranged in the reset slot.
Further preferably, in the automatic peritoneal puncture separation device suitable for peritoneal fluid accumulation without abdominal cavity, the limiting block and the transmitting spring are movably sleeved on the spring assembly rod, and the limiting block is fixedly connected with the hollow traction plate.
Further preferably, in the automatic peritoneal puncture separation device suitable for peritoneal fluid accumulation without abdominal cavity, the ejector pin is hinged to two ends of the hollow traction plate through a rotating shaft, and racks matched with the first tooth socket and the second tooth socket are arranged on the rotating shaft along the circumferential direction of the rotating shaft.
Further preferably, in the automatic peritoneal puncturing and separating device suitable for peritoneal cavity effusion, the two ejector pins are symmetrically arranged and located on the same horizontal plane.
Compared with the prior art, the invention has the following technical effects:
(1) The ejection pulling mechanism is adopted to control the ejection needle to pierce the skin, and the device is lifted upwards to separate the dirty layer peritoneum from the wall layer peritoneum, 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 the ejection and the reset of the ejection needle, so that the peritoneal separation device can be repeatedly used, the drainage tubes at a plurality of parts of the peritoneal cavity are placed, and the working intensity of medical staff is reduced;
(3) The synchronous ejection and the resetting of the two ejection needles are realized by adopting one linkage ejection plate, and the two ejection needles are oppositely arranged, so that the separation peritoneal device can firmly grasp the skin, is not easy to slip off the skin, and improves the operation stability;
(4) This automatic peritoneal cavity puncture separation device, its structural design is novel, easy operation, and it is nimble convenient to use, provides very good operability for the operator, makes little wound operation time shorter, and the 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 peritoneal lancing and separating device for use with peritoneal fluid without peritoneal fluid accumulation according to the present invention;
FIG. 2 is a schematic cross-sectional view of an automated peritoneal lancing separation device adapted for use with a peritoneal cavity free effusion of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure of the portion A of an automatic peritoneal lancing and separating device for use in a peritoneal cavity without peritoneal fluid accumulation according to the present invention;
FIG. 4 is a schematic view of a partially enlarged structure of a portion B of an automatic peritoneal lancing and separating device for use in a peritoneal cavity without peritoneal fluid accumulation according to the present invention;
FIG. 5 is a schematic view of a partially enlarged structure of portion C of an automatic peritoneal lancing and separating device for use in a peritoneal cavity without peritoneal effusion according to the present invention;
FIG. 6 is a schematic view of the configuration of a shoot needle in an automatic peritoneal dialysis apparatus adapted for use with peritoneal fluid-free, automatic peritoneal aspiration separation in accordance with the present invention;
FIG. 7 is a schematic view of a configuration of a linked ejector plate of the present invention adapted for use in an automatic peritoneal lancing separation device without peritoneal fluid accumulation;
FIG. 8 is a schematic view of a spring-loaded pulling mechanism of the present invention adapted for use in an automated peritoneal dialysis separation device without peritoneal fluid accumulation;
FIG. 9 is a schematic view showing the structure of an automatic peritoneal puncturing and separating device for peritoneal cavity without peritoneal cavity effusion according to the present invention in a use state;
wherein, each reference sign is:
100-a shell assembly, 101-a barrel, 102-a drainage cavity, 103-a hollow traction plate, 104-a puncture needle and 105-a first needle groove; 200-ejection pulling mechanism, 201-linkage ejection plate, 202-ejection button, 203-reset handle, 204-first gear plate, 205-spring assembly rod, 206-second gear plate, 207-reset slot, 208-ejection spring, 209-ejection seat, 210-limit block, 211-trigger ejector rod, 212-ejection rod, 213-first pin, 214-reset spring, 215-second pin, 216-reset spring, 217-second needle slot, 218-first tooth slot, 219-second tooth slot; 300-catapulting needle, 301-rotating shaft and 302-rack; 400-drainage tube.
Detailed Description
The present invention will be described in detail and in detail by way of the following examples, which are not intended to limit the scope of the invention, for better understanding of the invention.
Referring to fig. 1 and 9, the present embodiment provides an automatic peritoneal puncturing and separating device suitable for peritoneal cavity free effusion, comprising a housing assembly 100, a catapulting pulling mechanism 200 and two catapulting needles 300, wherein the housing assembly 100 is used for penetrating the skin and guiding a drainage tube 400 into a peritoneal cavity; the ejector pin mechanism 200 provides driving power for ejecting the ejector pin 300 into the skin and subcutaneous tissue to create conditions for lifting the skin.
In this embodiment, referring to fig. 1, the housing assembly 100 has a drainage cavity 102 and a puncture needle 104 movably disposed in the drainage cavity 102, and the puncture needle 104 is hollow 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 by the linked ejection plate 201; the ejector pin 300 is controlled to penetrate the skin by the ejector pulling mechanism 200, and the device is lifted upwards to separate the peritoneum of the dirty layer from the peritoneum of the wall layer, 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, referring to fig. 1 and 2, the peritoneal separating device includes two ejector pins 300, where the ejector pins 300 are in a U-shaped structure, are movably disposed at two ends of the linked ejector plate 201, and are in driving connection with the linked ejector plate 201, and can be ejected under the control of the ejector button 202 to penetrate the skin, and/or retracted under the control of the reset handle 203 to separate from the skin. Through the ejection button 202 and the reset handle 203, the repeated ejection and reset of the ejection needle 300 can be realized, so that the peritoneal separation device can be repeatedly used, the drainage tube placement of a plurality of parts of the peritoneal cavity can be realized, and the working intensity of medical staff is reduced.
As a preferred embodiment, with continued reference to fig. 1, the housing assembly 100 includes: the drainage cavity 102 is formed in the central axis of the cylinder 101, and the drainage cavity 102 extends downwards to the bottom of the hollow traction plate 103; a hollow pulling plate 103, wherein the middle part of the hollow pulling plate 103 is arranged vertically to 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, as shown in fig. 1, the two ends of the hollow pulling plate 103 are respectively provided with a first needle slot 105 for accommodating the ejection needle 300 for overturning, ejecting and resetting, the two ends of the hollow pulling plate 103 are respectively hinged with the ejection needle 300, and the hollow pulling plate 103 is further provided with a second needle slot 217 corresponding to the first needle slot 105.
In this embodiment, referring to fig. 1, the lower surface of the hollow pulling plate 103 has a shape that is fit with the abdominal body surface feature, such as an arc structure, so that the split peritoneal device is stably fit on the abdominal body surface of the patient when in use, improving the stability of operation and preventing slippage.
As another preferred embodiment, referring to fig. 2, the ejection pulling mechanism 200 includes: the linkage ejection plate 201 is in a Z-shaped structure, the heights of the two ends of the linkage ejection plate 201 are different, the middle part of the linkage 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 is connected with a limiting block 210, the limiting block 210 is fixedly connected with the hollow traction plate 103, so that a reverse acting force is provided for the ejection spring 208, the ejection seat 209 is jacked to drive the linkage ejection plate 201 to eject to one side when the action of external force is not exerted, and then the ejection needles 300 at the two ends of the linkage ejection plate 201 are driven to pierce skin and subcutaneous tissue, so that conditions for lifting the skin are created.
In this embodiment, referring to fig. 2 and 4, the ejection pulling mechanism 200 further includes: the trigger ejector rod 211 is fixed on the side wall of the hollow traction plate 103 through a pin, the trigger ejector rod 211 can be in abutting connection with the ejector seat 209 in the resetting process of the ejector seat 209, plays a limiting role on the ejector seat 209, is separated from the ejector seat 209 in the ejecting process of the ejector seat 209 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 pulling mechanism 200 further includes: the lower end of the ejection rod 212 is provided with a first pin 213, and the first pin is in abutting connection with the lower end of the trigger push rod 211.
In this embodiment, referring to fig. 3, the ejection pulling mechanism 200 further includes: the ejection button 202 is arranged on the cylinder 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: and the lower end of the reset handle 203 is fixed on the cylinder 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 extends upwards to be arranged at one side of the outer wall of the cylinder 101, so that the cylinder 101 and the hand-held reset handle 203 are conveniently held at the same time, the reset handle 203 is tightened inwards, the linkage ejection plate 201 in the ejection pulling mechanism 200 is pushed to the other end by manual operation, and the compression emission spring 208 is clamped with the ejection seat 209 by the trigger ejector rod 211 so as to complete the reset action of the ejection pulling mechanism 200.
In addition, in the present embodiment, as shown in fig. 2 and 3, a return spring 214 is further disposed on the top end side of the ejection rod 212, and a return spring 214 is also disposed on the side of the return handle 203, and one end of the return spring 214 is fixed to the cylinder 101 by a screw, and the other end is connected to the top end of the ejection rod 212 and the middle of the return handle 203. So that the ejection button and the reset handle 203 are always in a tensioning state to the outside, and the structural stability of the reset handle 203 and the ejection 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 sequentially connected, and the connection between the second gear plate 206 and the spring assembly rod 205 is smoothly transited upwards, and is horizontally arranged as a whole. Specifically, the first gear plate 204, the spring assembly bar 205 and the second gear plate 206 are integrally cast or machined from metal materials, and aluminum alloy and stainless steel materials have local hardness and wear resistance. Wherein, the outer ends of the first gear plate 204 and the second gear 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 slot 218, the lower surface of the outer end of the second gear plate 206 is provided with a second tooth slot 219, and the level of the first tooth slot 218 is lower than the level of the second tooth slot 219.
In this embodiment, referring to fig. 7 and 8, the inner end of the first gear plate 204 is provided with a reset slot 207, and the bottom end of the reset handle 203 is hooked and disposed in the reset slot 207, so as 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 to the reset side at the reset slot 207 through the lever principle during the reset operation.
In this embodiment, referring to fig. 8, the limiting block 210 and the launching spring 208 are movably sleeved on the spring assembly rod 205, the ejection seat 209 is welded at the inner end of the spring assembly 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 ejector pin 300 has a U-shaped structure, wherein a root portion of one end of the ejector pin is welded and fixed to the middle portion of the rotating shaft 301, and a tip portion of the other end of the ejector pin extends outwards in an arc shape. The ejector pin 300 is hinged to two ends of the hollow pulling plate 103 through a rotating shaft 301, and racks 302 matched with the first tooth grooves 218 and the second tooth grooves 219 are arranged on the rotating shaft 301 along the circumferential direction of the rotating shaft. The ejector pin 300 slides left and right under the transmission action of the rack 302, the first tooth groove 218 and the second tooth groove 219, so that the ejector pin 300 can perform the ejector action or the reset action.
In this embodiment, referring to fig. 1,2, 8 and 9, in the automatic peritoneal puncture separation device, two ejector pins 300 are symmetrically arranged, and by using the Z-type structural design of the linked ejector plate 201, the two ejector pins 300 are always located on the same horizontal plane in the ejection state or the reset state and are symmetrically arranged. The synchronous ejection and the resetting of the two ejection needles 300 are realized by adopting the linkage ejection plate 201, and the two ejection needles 300 are oppositely arranged, so that the separation peritoneal device can firmly grasp the skin, is not easy to slip off the skin, and improves the operation stability.
Referring to fig. 9, the present embodiment is applicable to an automatic peritoneal puncturing and separating device without peritoneal effusion, and the working principle thereof is as follows:
(1) After surface anesthesia is performed on the abdominal skin, the lower surface of a hollow traction plate (103) of the automatic abdominal cavity puncture separation peritoneal device is placed close 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 cylinder 101 to activate ejection, and enabling two ejection needles 300 to simultaneously penetrate skin and subcutaneous tissues through an ejection pulling mechanism (200) so as to create conditions for pulling the skin;
(3) The cylinder 101 is held by hand and lifted upwards, and the skin and subcutaneous tissue are lifted upwards under the connection action of the ejector pin 300, so that the dirty layer peritoneum and the parietal layer peritoneum are separated, and an abdominal cavity is formed between the dirty layer peritoneum and the parietal layer peritoneum;
(4) The puncture needle 104 on the cylinder 101 is continuously pressed manually, so that the puncture needle 104 further punctures the deep part of the skin, and the pressure is stopped when the puncture needle is broken, and at the moment, the needle point of the puncture needle 104 enters the abdominal cavity;
(5) Introducing the guide wire into the abdominal cavity through the hollow cavity of the puncture needle 104;
(6) The guide wire is reserved, the reset handle 203 and the cylinder 101 are held at the same time, and the reset handle 203 is continuously held to reset the linked ejector plate 201, so that the two ejector pins 300 are synchronously driven to leave the skin, and the two ejector pins are retracted into the pin grooves;
(7) After the puncture path is expanded by using the conventional puncture tube arrangement scheme and placing the puncture tube into the expansion tube through the guide wire, the puncture tube is placed into the drainage tube 400 along the guide wire and fixed, and the operation is finished.
The automatic peritoneal puncturing and separating device suitable for the peritoneal cavity without the peritoneal cavity effusion provided by the embodiment realizes the peritoneal cavity puncturing and tube placing without the peritoneal cavity effusion. The ejection pulling mechanism 200 is adopted to control the ejection needle 300 to penetrate the skin, and the device is lifted upwards to separate the dirty peritoneum from the 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; and its structural design is novel, easy operation, it is nimble convenient to use, provides very good operability for the operator, makes the micro-trauma operation time shorter, and the doctor experiences better, and the practicality is good, has good popularization and application value.
The above description of the specific embodiments of the present invention has been given by way of example only, and the present invention is not limited to the above described specific embodiments. Any equivalent modifications and substitutions for the present invention will occur to those skilled in the art, and are also within the scope of the present invention. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present invention without departing from the spirit and scope thereof.
Claims (8)
1. An automatic peritoneal lancing separation device adapted for peritoneal fluid free, comprising:
a shell component (100) which is provided with a drainage cavity (102) and a puncture needle (104) movably arranged in the drainage cavity (102), wherein the puncture needle (104) is hollow;
an ejection pulling mechanism (200) which is arranged in the shell assembly (100) and is provided with a linkage ejection plate (201), an ejection button (202) for controlling the ejection and the reset of the linkage ejection plate (201) and a reset handle (203); and
The two ejection needles (300) are of a U-shaped structure, are respectively and movably arranged at two ends of the linkage ejection plate (201) and are in transmission connection with the linkage ejection plate (201), and can be ejected under the control of the ejection button (202) to penetrate into the skin and/or retracted under the control of the reset handle (203) to be separated from the skin;
the housing assembly (100) comprises:
the drainage cavity (102) is formed in the central axis of the cylinder body (101), and the drainage cavity (102) extends downwards to the bottom of the hollow traction plate (103);
a hollow traction plate (103), wherein the middle part of the hollow traction plate (103) is vertically arranged with the lower end of the cylinder body (101); and
The puncture needle (104) is movably arranged in the drainage cavity (102);
The ejection pulling mechanism (200) includes:
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 abutting connection with the ejection seat (209), 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 cylinder body (101) and is connected with the top end of the ejection rod (212); and
And the lower end of the reset handle (203) is provided with a second pin (215), the bottom end of the reset handle 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 cylinder body (101).
2. The automatic peritoneal puncturing and separating device for the peritoneal cavity without the peritoneal effusion according to claim 1, wherein the two ends of the hollow traction plate (103) are respectively provided with a first needle groove (105), and the two ends of the hollow traction plate (103) are respectively hinged with the ejection needle (300).
3. The automatic peritoneal lancing and separation device for use without peritoneal effusion of claim 1, wherein the lower surface of the hollow pulling plate (103) has a shape that conforms to the body surface characteristics of the abdomen.
4. The automatic peritoneal lancing and separation device for peritoneal cavity free effusion of claim 2, wherein the linked ejection plate (201) is comprised of a first gear plate (204), a spring assembly bar (205) and a second gear plate (206) connected in sequence, wherein:
the outer ends of the first gear plate (204) and the second gear plate (206) are respectively provided with a second needle groove (217) corresponding to the first needle groove (105);
The upper surface of first tooth plywood (204) outer end is provided with first tooth groove (218), the lower surface of second tooth plywood (206) outer end is provided with second tooth groove (219), and the level of first tooth groove (218) is less than the level of second tooth groove (219).
5. The automatic peritoneal aspiration and separation device for peritoneal cavity without peritoneal fluid accumulation as claimed in claim 4 wherein the inner end of the first gear plate (204) is provided with a reset slot (207), and the bottom end of the reset handle (203) is disposed within the reset slot (207).
6. The automatic peritoneal aspiration separation device for peritoneal cavity free effusion of claim 4, wherein the limiting block (210) and the launching spring (208) are movably sleeved on the spring assembly rod (205), and the limiting block (210) is fixedly connected with the hollow traction plate (103).
7. The automatic peritoneal puncturing and separating device for peritoneal cavity without peritoneal fluid accumulation as claimed in claim 4 wherein said ejector pin (300) is hinged to both ends of said hollow pulling plate (103) through a rotating shaft (301), and racks (302) which are engaged with said first and second tooth slots (218, 219) are provided on said rotating shaft (301) along its circumferential direction.
8. The automatic peritoneal aspiration and separation device for use without peritoneal fluid accumulation as claimed in claim 7 wherein the two ejector pins (300) are symmetrically arranged and located on the same horizontal plane.
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| CN202010660718.9A CN111658093B (en) | 2020-07-10 | 2020-07-10 | Automatic peritoneal puncturing and separating device suitable for peritoneal cavity effusion |
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| CN112137665B (en) * | 2020-10-21 | 2024-08-27 | 上海市公共卫生临床中心 | Adjustable automatic peritoneal cavity puncture separation device |
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| EP1944051A4 (en) * | 2005-10-31 | 2009-09-02 | Terumo Corp | Puncture device, dosing device and puncture method |
| CN202314856U (en) * | 2011-11-18 | 2012-07-11 | 李守鹏 | Abdominal cavity puncture site flushing baffle device |
| CN106821497B (en) * | 2017-03-16 | 2023-10-31 | 上海市肺科医院 | Accurate positioning and treatment method and auxiliary device for target site |
| CN208511643U (en) * | 2017-12-19 | 2019-02-19 | 李后峰 | A kind of dermatology's positioning puncture needle for location of necrosis |
| CN208838687U (en) * | 2018-04-14 | 2019-05-10 | 贵阳市第四人民医院 | A kind of New pattern chest, abdominal puncture and drainage pipe |
| CN210250005U (en) * | 2019-04-28 | 2020-04-07 | 李宁 | Take fixing device's abdominal cavity puncture ware |
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