CN109498120B - Stamping card puncture system for endoscope - Google Patents
Stamping card puncture system for endoscope Download PDFInfo
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- CN109498120B CN109498120B CN201811501840.0A CN201811501840A CN109498120B CN 109498120 B CN109498120 B CN 109498120B CN 201811501840 A CN201811501840 A CN 201811501840A CN 109498120 B CN109498120 B CN 109498120B
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 35
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002674 endoscopic surgery Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
Classifications
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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
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- 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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Endoscopes (AREA)
Abstract
The stamping card puncture system for the endoscope comprises a stamping card assembly and a stamping card puncture device, wherein the stamping card assembly comprises a stamping card body and a soft sleeve, the length direction of the stamping card body is arranged along the front-back horizontal direction, a connecting sleeve is fixed on the rear side of the stamping card body, an internal thread is arranged on the inner side of the connecting sleeve, the soft sleeve is sleeved on the outer side of the stamping card body, a limiting air bag is arranged on the periphery of the front end of the soft sleeve, the limiting air bag is of a bowl-shaped structure with a big front part and a small back part, a tether is arranged on the rear side of the soft sleeve, and an air injection connector is further arranged on the rear side of the soft sleeve and is connected with the limiting air bag through an air pipe; in summary, the two supporting plates ensure vertical penetration, and the two groups of ratchet pushing mechanisms arranged in the operating handle are matched with each other, so that the action of penetrating the puncture inner rod into the body cavity is realized, the use is convenient, and the puncture efficiency and the puncture safety are improved.
Description
Technical Field
The invention belongs to the technical field of medical treatment, and particularly relates to a stamping card puncture system for a endoscope.
Background
When the endoscopic operation is carried out, a stamping card needs to be placed, the stamping card is a puncture outfit, and is a channel for communicating a body cavity with the outside and is a channel for an endoscopic surgical instrument to enter; the existing method for placing the poking card is that the inner core of the poking card is inserted into the sleeve before puncture, then a puncture point is punctured, the poking card and the inner core are penetrated into a body cavity, then the inner core is pulled out, the head end of the inner core is sharp, the front end of the sleeve is a hollow pipe, and the rear end of the sleeve is provided with a one-way valve, because carbon dioxide gas needs to be filled in the body cavity in endoscopic surgery, the gas pressure is high, and the one-way valve needs to be arranged for preventing gas leakage; the existing placing mode is laborious and inconvenient to use, the existing mode is to puncture the body surface directly and forcefully, a breakthrough sense exists when the poking card passes through the body surface coating layer, the front end of the inner core is sharper and possibly punctures organs in the body cavity due to forward progress of inertia, life and health of a dangerous patient are possibly ensured, the front end is separated from the inner surface of the body wall due to easy back and forth sliding after the existing poking card is placed, the risk is increased due to the fact that the front end is required to be separated from the inner surface of the body wall after the existing poking card is placed, the risk is increased due to the fact that the body wall has multiple layers during the re-puncture, the poking card is not easy to enter from the original cavity, and damage is increased due to the fact that the cavity is increased; the existing puncture mode requires to penetrate into a body cavity vertically, but the hand can not penetrate vertically due to arm shaking and the like, and the puncture failure or inconvenient operation can be caused by the non-vertical penetration.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a stamping card puncture system for a endoscope, which is convenient to operate and safe for placing stamping cards.
In order to solve the technical problems, the invention adopts the following technical scheme: the stamping card puncture system for the endoscope comprises a stamping card assembly and a stamping card puncture device, wherein the stamping card assembly comprises a stamping card body and a soft sleeve, the length direction of the stamping card body is arranged along the front-back horizontal direction, a connecting sleeve is fixed on the rear side of the stamping card body, an internal thread is arranged on the inner side of the connecting sleeve, the soft sleeve is sleeved on the outer side of the stamping card body, a limit air bag is arranged on the periphery of the front end of the soft sleeve, the limit air bag is of a bowl-shaped structure with a big front part and a small back part, a tether is arranged on the rear side of the soft sleeve, a gas injection connector is further arranged on the rear side of the soft sleeve and is connected with the limit air bag through a gas pipe, and the gas pipe is arranged in the inner wall of the soft sleeve; the connecting sleeve is positioned at the rear side of the rear end of the soft sleeve;
the poking card puncture outfit comprises a mounting tube and a puncture inner rod, wherein an operating handle is arranged at the rear part of the mounting tube, the puncture inner rod is coaxially arranged in the mounting tube in a penetrating way, the front end of the puncture inner rod is of a tip structure, the middle part of the puncture inner rod is provided with external threads matched with the internal threads of the connecting sleeve, the poking card assembly is inserted into the front part of the mounting tube, the poking card body is sleeved at the front part of the puncture inner rod, and the connecting sleeve is in threaded connection with the external threads in the middle part of the puncture inner rod; the mounting tube is also provided with a ratchet pushing mechanism for pushing the puncture inner rod forwards.
The outer surface of the soft sleeve is uniformly distributed with anti-skid belts.
The operation handle consists of a fixed handle and a movable handle, the fixed handle is fixed on the bottom surface of the rear end part of the installation tube, two sliding rods are fixed on the bottom surface of the rear end part of the installation tube, the two sliding rods are arranged side by side left and right, each sliding rod is arranged along the front-back horizontal direction, the front ends of the sliding rods are fixed on the fixed handle, the rear ends of the sliding rods are fixed on the installation tube, the movable handle is arranged behind the fixed handle, two sliding blocks are fixed on the upper end of the movable handle, each sliding block is provided with a through hole, the two sliding rods are respectively arranged in the through holes of the two sliding blocks in a penetrating mode, and the two sliding blocks are in sliding fit with the two sliding rods; a reset spring is sleeved on each sliding rod, and two ends of the reset spring are respectively in pressing fit with the fixed handle and the sliding block;
the ratchet propulsion mechanism comprises two groups of ratchet propulsion pieces, the upper parts of the movable handle and the fixed handle are respectively provided with an installation groove with an open top, the movable handle and the fixed handle are also provided with a guide sliding hole, the guide sliding holes are of L-shaped structures, and the guide sliding holes are communicated with the installation grooves; the bottom surface of the rear end part of the installation tube is provided with a perforation and a guide long hole respectively, the perforation is positioned above the installation groove of the fixed handle, the guide long hole is positioned above the installation groove of the movable handle, the length direction of the guide long hole is arranged along the front-back direction, the guide long hole is positioned between the two sliding blocks, the two groups of ratchet pushing elements are positioned in the installation grooves of the movable handle and the fixed handle respectively, the top of the rear part of the puncture inner rod is contacted with the inner wall of the installation tube, and a plurality of oblique tooth grooves are uniformly distributed on the bottom surface of the rear part of the puncture inner rod along the length direction of the puncture inner rod;
each group of ratchet pushing pieces consists of a ratchet block and a compression spring, the ratchet block is a cylinder, the upper end of the ratchet block is of a ratchet structure, the ratchet structure at the upper end of the ratchet block is matched with the inclined tooth grooves, the ratchet block is coaxially inserted into the mounting groove, the compression spring is positioned in the mounting groove, two ends of the compression spring are respectively in jacking fit with the bottom surface of the ratchet block and the bottom of the mounting groove, under the action of the compression spring, the ratchet structure at the upper end of the ratchet block is inserted into one of the inclined tooth grooves, a deflector rod is fixed on the ratchet block, and the deflector rod is arranged in the guide sliding hole in a penetrating manner;
wherein the ratchet block in the fixed handle passes through the perforation upwards, and the ratchet block in the movable handle passes through the guiding slot upwards.
The outer surfaces of the movable handle and the fixed handle are respectively provided with an anti-skid rubber layer; the lower part of the movable handle is fixed with a guide rod which horizontally extends forwards, the lower part of the fixed handle is provided with a round hole, the guide rod horizontally passes forwards through the round hole of the fixed handle, and the front end of the guide rod is fixed with a limiting block.
Two supporting plates are fixed on the outer side of the front end of the installation tube, and the two supporting plates are symmetrically arranged relative to the installation tube.
By adopting the technical scheme, the invention has the following beneficial effects: when the puncture device is used for puncturing a puncture card, firstly, the puncture card assembly is fixed in the middle of a puncture inner rod through a connecting sleeve, then a puncture point is aligned, two supporting plates are placed on skin around the puncture point, the tip structure at the front end of the puncture inner rod is aligned with the puncture point, then an operating handle is held by hand, the movable handle is pushed forward, the puncture inner rod is pushed forward by a ratchet pushing piece to move forward along an installation pipe, so that the tip structure at the front end of the puncture inner rod is stably inserted into a body wall, the puncture card assembly is screwed off from the puncture inner rod after being inserted into a body cavity, the puncture card puncture device is withdrawn, then gas is injected into a limiting air bag through a gas injection joint, the limiting air bag is expanded and then is attached to the inner wall of the body cavity, on one hand, the puncture card assembly is placed out of the body cavity, on the other hand, the puncture position is sealed, and gas in the body cavity is prevented from leaking from the puncture position (gas is required to be injected into the body cavity in a cavity endoscopic operation); when the poking card body is required to be pulled out sometimes, the poking card body can be pulled out when a sample is taken from the poking card hole, the soft sleeve is remained in the body cavity, a penetrating channel is still remained after the sample is taken out, the penetrating channel is the soft sleeve, and when the poking card is required to enter the body cavity again, the poking card can enter from the soft sleeve; when the puncture hole needs to be temporarily sealed after the poking card body is pulled out, the tether at the rear end of the soft sleeve can be fastened, so that gas in the body cavity is prevented from leaking from the soft sleeve;
in addition, in the operation process, the movable handle is pushed forwards, so that the puncture inner rod moves forwards along the mounting pipe, and the specific process is as follows: the two sliding blocks at the upper end of the movable handle are connected to the sliding rod in a sliding way, so that the movable handle is pushed forward, the movable handle slides forward along the sliding rod, the reset spring is compressed, the movable handle drives the ratchet pushing piece in the movable handle to move forward, the ratchet block in the movable handle pushes the puncture inner rod forward due to the matching of the ratchet structure of the ratchet block and the inclined tooth groove, the ratchet block in the fixed handle moves downward due to the action of the inclined tooth groove in the forward moving process of the puncture inner rod, the puncture inner rod moves forward for a certain distance, then the movable handle is loosened, the movable handle moves backward and returns to the initial position under the elasticity of the reset spring, the ratchet block in the movable handle moves downward under the action of the compression spring, and the ratchet block of the fixed handle is clamped in the inclined tooth groove of the puncture inner rod to play a limiting role to prevent the puncture inner rod from moving backward under the driving of the movable handle; the method can be repeatedly installed to push the movable handle so as to enable the puncture inner rod to move forwards.
In summary, the two supporting plates ensure vertical penetration, and the two groups of ratchet pushing mechanisms arranged in the operating handle are matched with each other, so that the action of penetrating the puncture inner rod into the body cavity is realized, the use is convenient, and the puncture efficiency and the puncture safety are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a card assembly;
FIG. 4 is a schematic diagram of the structure of the card body;
fig. 5 is a schematic structural view of the soft sleeve.
Detailed Description
As shown in fig. 1-5, the poking card puncture system for the endoscope comprises a poking card assembly 1 and a poking card puncture device, wherein the poking card assembly 1 comprises a poking card body 2 and a soft sleeve 3, the poking card body 2 is an existing poking card for the endoscope, the length direction of the poking card body 2 is arranged along the front-back horizontal direction, a connecting sleeve 4 is fixed at the rear side of the poking card body 2, internal threads are arranged at the inner side of the connecting sleeve 4, the soft sleeve 3 is sleeved at the outer side of the poking card body 2, a limit air bag 5 is arranged at the periphery of the front end of the soft sleeve 3, the limit air bag 5 is of a bowl-shaped structure with a big front part and a small rear part, a tether 6 is arranged at the rear side of the soft sleeve 3, an air injection joint 7 is further arranged at the rear side of the soft sleeve 3 and connected with the limit air bag 5 through an air pipe, and the air pipe is arranged in the inner wall of the soft sleeve 3; the connecting sleeve 4 is positioned at the rear side of the rear end of the soft sleeve 3;
the poking card puncture outfit comprises a mounting tube 8 and a puncture inner rod 9, wherein an operating handle is arranged at the rear part of the mounting tube 8, the puncture inner rod 9 is coaxially arranged in the mounting tube 8 in a penetrating way, the front end of the puncture inner rod 9 is of a tip structure, the middle part of the puncture inner rod 9 is provided with external threads matched with the internal threads of the connecting sleeve 4, the poking card assembly 1 is inserted into the front part of the mounting tube 8, the poking card body 2 is sleeved at the front part of the puncture inner rod 9, and the connecting sleeve 4 is in threaded connection with the external threads in the middle part of the puncture inner rod 9; the mounting tube 8 is also provided with a ratchet pushing mechanism for pushing the puncture inner rod 9 forwards; two support plates 10 are fixed to the outer side of the front end of the installation tube 8, and the two support plates 10 are symmetrically arranged with respect to the installation tube 8.
The outer surface of the soft sleeve 3 is uniformly distributed with anti-slip belts 11.
The operation handle consists of a fixed handle 12 and a movable handle 13, the fixed handle 12 is fixed on the bottom surface of the rear end part of the installation tube 8, two slide bars 14 are fixed on the bottom surface of the rear end part of the installation tube 8, the two slide bars 14 are arranged side by side left and right, each slide bar 14 is arranged along the front-back horizontal direction, the front end of each slide bar 14 is fixed on the fixed handle 12, the rear end of each slide bar 14 is fixed on the installation tube 8, the movable handle 13 is arranged behind the fixed handle 12, two slide blocks 15 are fixed on the upper end of each movable handle 13, through holes are formed in each slide block 15, the two slide bars 14 are respectively arranged in the through holes of the two slide blocks 15 in a penetrating mode, and the two slide blocks 15 are in sliding fit with the two slide bars 14; a return spring 16 is sleeved on each slide bar 14, and two ends of the return spring 16 are respectively in pressing fit with the fixed handle 12 and the slide block 15;
the ratchet propulsion mechanism comprises two groups of ratchet propulsion pieces, the upper parts of the movable handle 13 and the fixed handle 12 are respectively provided with an installation groove with an open top, the movable handle 13 and the fixed handle 12 are also provided with a guide sliding hole 17, the guide sliding hole 17 is of an L-shaped structure, and the guide sliding hole 17 is communicated with the installation grooves; the bottom surface of the rear end part of the mounting tube 8 is provided with a perforation and a guide long hole 18 respectively, the perforation is positioned above the mounting groove of the fixed handle 12, the guide long hole 18 is positioned above the mounting groove of the movable handle 13, the length direction of the guide long hole is along the front-back direction, the guide long hole 18 is positioned between the two sliding blocks 15, the two groups of ratchet pushing elements are positioned in the mounting grooves of the movable handle 13 and the fixed handle 12 respectively, the top of the rear part of the puncture inner rod 9 is contacted with the inner wall of the mounting tube 8, and a plurality of oblique tooth grooves 19 are uniformly distributed on the bottom surface of the rear part of the puncture inner rod 9 along the length direction;
each group of ratchet pushing members consists of a ratchet block 20 and a compression spring 21, wherein the ratchet block 20 is a cylinder, the upper end of the ratchet block 20 is of a ratchet structure, the ratchet structure at the upper end of the ratchet block 20 is matched with the inclined tooth groove 19, the ratchet block 20 is coaxially inserted into the installation groove, the compression spring 21 is positioned in the installation groove, the two ends of the compression spring 21 are respectively in pressing fit with the bottom surface of the ratchet block 20 and the bottom of the installation groove, under the action of the compression spring 21, the ratchet structure at the upper end of the ratchet block 20 is inserted into one of the inclined tooth grooves 19, a deflector rod 22 is fixed on the ratchet block 20, and the deflector rod 22 is arranged in the guide sliding hole 17 in a penetrating manner;
wherein the ratchet block 20 in the stationary handle 12 passes upwardly through the aperture and the ratchet block 20 in the movable handle 13 passes upwardly through the guide slot 18.
The outer surfaces of the movable handle 13 and the fixed handle 12 are respectively provided with an anti-skid rubber layer; the lower part of the movable handle 13 is fixed with a guide rod 23, the guide rod 23 horizontally extends forwards, the lower part of the fixed handle 12 is provided with a round hole, the guide rod 23 horizontally passes forwards through the round hole of the fixed handle 12, the front end of the guide rod 23 is fixed with a limiting block 24, and the guide rod 23 plays a role in guiding, so that the movable handle 13 can move forwards under the driving of a hand.
When the puncture of the puncture card is carried out, firstly, the puncture card assembly 1 is fixed in the middle of the puncture inner rod 9 through the connecting sleeve 4, then the puncture point is aligned, two supporting plates 10 are placed on the skin around the puncture point, the tip structure at the front end of the puncture inner rod 9 is aligned with the puncture point, then the operating handle is held by hand, the movable handle 13 is pushed forward, the movable handle 13 pushes the puncture inner rod 9 forward along the mounting pipe 8 through the ratchet pushing piece, so that the tip structure at the front end of the puncture inner rod 9 is stably inserted into the body wall, the puncture card assembly 1 is screwed off from the puncture inner rod 9 after being inserted into the body cavity, the puncture card puncture device is withdrawn, then gas is injected into the limiting air bag 5 through the gas injection joint 7, and the limiting air bag 5 is attached to the inner wall of the body cavity after being expanded, so that the position of the puncture card assembly 1 is limited, the puncture card assembly 1 is placed out of the body cavity, and the puncture card assembly 1 is prevented from falling out of the body cavity on the other hand, and the puncture position is sealed (the gas is required to be injected into the body cavity in the endoscopic surgery); when the poking card body 2 is required to be pulled out sometimes, the poking card body 2 can be pulled out when a sample is taken from the poking card hole, the soft sleeve 3 is reserved in the body cavity, a penetrating channel is reserved after the sample is taken out, namely the soft sleeve 3 is penetrated, and when the poking card is required to enter the body cavity again, the poking card can enter from the inside of the soft sleeve 3; when the puncture hole needs to be temporarily closed after the poking card body 2 is pulled out, the tether 6 at the rear end of the soft sleeve 3 can be fastened, so that gas in the body cavity is prevented from leaking from the soft sleeve 3;
in addition, during the above operation, the specific process of making the puncture inner rod 9 move forward along the mounting tube 8 by pushing the movable handle 13 forward is as follows: because the two sliding blocks 15 at the upper end of the movable handle 13 are connected to the sliding rod 14 in a sliding way, the movable handle 13 is pushed forward, the movable handle 13 slides forward along the sliding rod 14, the reset spring 16 is compressed, the movable handle 13 drives the ratchet pushing piece in the movable handle 13 to move forward, the ratchet block 20 in the movable handle 13 pushes the puncture inner rod 9 forward due to the matching of the ratchet structure of the ratchet block 20 and the inclined tooth groove 19, the ratchet block 20 in the fixed handle 12 moves downward due to the action of the inclined tooth groove 19 in the forward moving process of the puncture inner rod 9, at the moment, the ratchet block 20 in the fixed handle 12 does not act, the puncture inner rod 9 moves forward for a certain distance, then the movable handle 13 is released, the movable handle 13 moves backward and returns to the initial position under the elasticity of the reset spring 16, in the process, the ratchet block 20 in the movable handle 12 is clamped in the inclined tooth groove 19 of the puncture inner rod 9 under the action of the compression spring 21, and the ratchet block 20 in the fixed handle 12 plays a limiting role, so that the puncture inner rod 9 is prevented from moving backward under the driving of the movable handle 13; the above method can then be repeatedly installed to push the movable handle 13 so that the inner piercing rod 9 moves forward.
Secondly, when the puncture inner rod 9 needs to be pulled out of the mounting tube 8, the movable handle 13 and the ratchet block 20 in the fixed handle 12 need to be moved downwards in advance to prevent the ratchet structure on the ratchet block 20 from being blocked in the inclined tooth groove 19, and the operation is that the deflector rod 22 is pulled downwards and then the pull rod is pulled to be placed in the L-shaped guide sliding hole 17, the position of the deflector rod 22 is limited by the L-shaped guide sliding hole 17, and then the puncture inner rod 9 can be pulled outwards smoothly.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (4)
1. The utility model provides a mark card puncture system for chamber mirror which characterized in that: the device comprises a stamping card assembly and a stamping card puncture outfit, wherein the stamping card assembly comprises a stamping card body and a soft sleeve, the length direction of the stamping card body is arranged along the front-back horizontal direction, a connecting sleeve is fixed at the rear side of the stamping card body, an internal thread is arranged at the inner side of the connecting sleeve, the soft sleeve is sleeved at the outer side of the stamping card body, a limiting air bag is arranged at the periphery of the front end of the soft sleeve, the limiting air bag is of a bowl-shaped structure with a big front part and a small back part, a tether is arranged at the rear side of the soft sleeve, an air injection connector is further arranged at the rear side of the soft sleeve, the air injection connector is connected with the limiting air bag through an air pipe, and the air pipe is arranged in the inner wall of the soft sleeve; the connecting sleeve is positioned at the rear side of the rear end of the soft sleeve; the poking card puncture outfit comprises a mounting tube and a puncture inner rod, wherein an operating handle is arranged at the rear part of the mounting tube, the puncture inner rod is coaxially arranged in the mounting tube in a penetrating way, the front end of the puncture inner rod is of a tip structure, the middle part of the puncture inner rod is provided with external threads matched with the internal threads of the connecting sleeve, the poking card assembly is inserted into the front part of the mounting tube, the poking card body is sleeved at the front part of the puncture inner rod, and the connecting sleeve is in threaded connection with the external threads in the middle part of the puncture inner rod; the mounting tube is also provided with a ratchet pushing mechanism for pushing the puncture inner rod forwards;
the operation handle consists of a fixed handle and a movable handle, the fixed handle is fixed on the bottom surface of the rear end part of the installation tube, two sliding rods are fixed on the bottom surface of the rear end part of the installation tube, the two sliding rods are arranged side by side left and right, each sliding rod is arranged along the front-back horizontal direction, the front ends of the sliding rods are fixed on the fixed handle, the rear ends of the sliding rods are fixed on the installation tube, the movable handle is arranged behind the fixed handle, two sliding blocks are fixed on the upper end of the movable handle, each sliding block is provided with a through hole, the two sliding rods are respectively arranged in the through holes of the two sliding blocks in a penetrating mode, and the two sliding blocks are in sliding fit with the two sliding rods; a reset spring is sleeved on each sliding rod, and two ends of the reset spring are respectively in pressing fit with the fixed handle and the sliding block; the ratchet propulsion mechanism comprises two groups of ratchet propulsion pieces, the upper parts of the movable handle and the fixed handle are respectively provided with an installation groove with an open top, the movable handle and the fixed handle are also provided with a guide sliding hole, the guide sliding holes are of L-shaped structures, and the guide sliding holes are communicated with the installation grooves; the bottom surface of the rear end part of the installation tube is provided with a perforation and a guide long hole respectively, the perforation is positioned above the installation groove of the fixed handle, the guide long hole is positioned above the installation groove of the movable handle, the length direction of the guide long hole is arranged along the front-back direction, the guide long hole is positioned between the two sliding blocks, the two groups of ratchet pushing elements are positioned in the installation grooves of the movable handle and the fixed handle respectively, the top of the rear part of the puncture inner rod is contacted with the inner wall of the installation tube, and a plurality of oblique tooth grooves are uniformly distributed on the bottom surface of the rear part of the puncture inner rod along the length direction of the puncture inner rod; each group of ratchet pushing pieces consists of a ratchet block and a compression spring, the ratchet block is a cylinder, the upper end of the ratchet block is of a ratchet structure, the ratchet structure at the upper end of the ratchet block is matched with the inclined tooth grooves, the ratchet block is coaxially inserted into the mounting groove, the compression spring is positioned in the mounting groove, two ends of the compression spring are respectively in jacking fit with the bottom surface of the ratchet block and the bottom of the mounting groove, under the action of the compression spring, the ratchet structure at the upper end of the ratchet block is inserted into one of the inclined tooth grooves, a deflector rod is fixed on the ratchet block, and the deflector rod is arranged in the guide sliding hole in a penetrating manner; wherein the ratchet block in the fixed handle passes through the perforation upwards, and the ratchet block in the movable handle passes through the guiding slot upwards.
2. The laparoscopic punch-through system according to claim 1, wherein: the outer surface of the soft sleeve is uniformly distributed with anti-skid belts.
3. The laparoscopic punch-through system according to claim 1, wherein: the outer surfaces of the movable handle and the fixed handle are respectively provided with an anti-skid rubber layer; the lower part of the movable handle is fixed with a guide rod which horizontally extends forwards, the lower part of the fixed handle is provided with a round hole, the guide rod horizontally passes forwards through the round hole of the fixed handle, and the front end of the guide rod is fixed with a limiting block.
4. A system for puncturing a puncture card for a lumen as set forth in any one of claims 1 to 3, wherein: two supporting plates are fixed on the outer side of the front end of the installation tube, and the two supporting plates are symmetrically arranged relative to the installation tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501840.0A CN109498120B (en) | 2018-12-10 | 2018-12-10 | Stamping card puncture system for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501840.0A CN109498120B (en) | 2018-12-10 | 2018-12-10 | Stamping card puncture system for endoscope |
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| CN109498120A CN109498120A (en) | 2019-03-22 |
| CN109498120B true CN109498120B (en) | 2023-11-24 |
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| CN114601529B (en) * | 2022-04-16 | 2024-04-12 | 苏州大学附属第二医院 | Laparoscopic auxiliary forceps and laparoscopic surgical instrument |
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| CA2096651A1 (en) * | 1990-11-20 | 1992-05-21 | Robert S. Behl | Tension guide and dilator |
| JP2002125920A (en) * | 2000-10-19 | 2002-05-08 | Olympus Optical Co Ltd | Mantle tube insertion tool |
| JP2002177293A (en) * | 2000-12-12 | 2002-06-25 | Olympus Optical Co Ltd | Trocar system |
| AU2007246210A1 (en) * | 2001-08-09 | 2008-01-10 | Jimro Co., Ltd | Marrow fluid sampling set and marrow needle |
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| CN109498120A (en) | 2019-03-22 |
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