CN113907853B - Enterogastric surgery abdominal cavity operation puncture device - Google Patents
Enterogastric surgery abdominal cavity operation puncture device Download PDFInfo
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- CN113907853B CN113907853B CN202111121687.0A CN202111121687A CN113907853B CN 113907853 B CN113907853 B CN 113907853B CN 202111121687 A CN202111121687 A CN 202111121687A CN 113907853 B CN113907853 B CN 113907853B
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- sleeve
- assembly
- core sleeve
- wall
- puncture
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
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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
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3492—Means for supporting the trocar against the body or retaining the trocar inside the body against the outside of the body
Abstract
The invention provides a gastrointestinal surgery abdominal cavity operation puncture device, which solves the problems that a sleeve of the existing puncture device is not easy to puncture, the sleeve is not firmly fixed in the operation, and an air supply structure is not perfect; including thimble assembly and the puncture needle subassembly that can insert in the thimble assembly, thimble assembly divide into inside and outside two-layer, the outer tube of chamfer has been seted up for smooth and bottom in surface to the skin, the inlayer is the core cover with outer tube inner wall threaded connection, the outer tube leans on the upper position to be equipped with the gas injection pipeline rather than inside intercommunication, the outer tube leans on the lower position to be equipped with a plurality of ventholes that link up inside and outside and along its circumference equipartition, the core cover lower extreme is equipped with a plurality of its circumference equipartitions of edge and has elastic jack catch, the jack catch turns over to the book outward and the outside is equipped with the cladding membrane, puncture needle subassembly includes that the axle center has the needle body of through-hole, with needle body lower extreme threaded connection's syringe needle and the locking lever in the through-hole, sliding connection has the bonding base that can bond on skin on the outer tube on the fixedly connected with of rotating.
Description
Technical Field
The invention relates to the technical field of medical puncture equipment, in particular to a puncture device for enterogastric surgery abdominal cavity operation.
Background
The laparoscope puncture outfit is suitable for the gas delivery in minimally invasive surgery and the creation of a channel for an endoscope and surgical instruments to enter and exit a body cavity from the outside, and can be matched with various laparoscope television systems at home and abroad in various laparoscopic surgeries, including surgical minimally invasive surgery, gynecological minimally invasive surgery, thoracic surgery, urological surgery and the like; during operation, an artificial pneumoperitoneum needs to be established, and gas or liquid required for flushing the pneumoperitoneum is continuously supplemented;
the puncture end of a disposable puncture cannula which is widely used clinically at present is in an arrow-shaped design, the cannula is sleeved outside a puncture needle, in order to ensure that the cannula and the puncture needle are punctured into the abdominal cavity of a patient together, a chamfer is generally arranged at the bottom of the cannula, but the outer wall of the cannula is easy to scratch muscle tissues, and the puncture is affected; the laparoscope puncture outfit needs to be obliquely punctured into the abdominal cavity, but the existing laparoscope puncture outfit sleeve can not keep an oblique angle and can not fix the laparoscope puncture outfit; in addition, when surgical instruments with various functions are repeatedly inserted and pulled, the sleeve is easy to be driven to come in and go out and abrade a puncture part, so that the problems of air leakage or sleeve detachment are caused.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a puncture device for enterogastric surgery abdominal cavity operation, which solves the problems that a sleeve of the existing puncture device is not easy to puncture, the sleeve is not firmly fixed in the operation, and the air supply structure is not perfect.
The invention comprises a sleeve assembly and a puncture needle assembly which can be inserted into the sleeve assembly, wherein the sleeve assembly is divided into an inner layer and an outer layer, the outer layer is an outer sleeve with a smooth surface and a chamfer angle at the bottom, the inner layer is a core sleeve in threaded connection with the inner wall of the outer sleeve, a gas injection pipeline communicated with the inside of the outer sleeve is arranged at the upper position of the outer sleeve, a plurality of gas outlet holes which are uniformly distributed along the circumferential direction of the outer sleeve and are communicated with the inside and the outside are arranged at the lower position of the outer sleeve, and a circular gas injection groove is arranged at the upper side of the outer wall of the core sleeve; the lower side of the outer wall of the core sleeve is provided with an annular air outlet groove, the outer wall of the core sleeve is provided with a plurality of air passing grooves which are uniformly distributed along the circumferential direction of the outer wall of the core sleeve, and the air injection groove and the air outlet groove are communicated through the air grooves;
the lower end of the core sleeve is provided with a plurality of elastic clamping jaws which are uniformly distributed along the circumferential direction of the core sleeve, the clamping jaws are turned outwards, and the outer sides of the clamping jaws are provided with coating films; a sealing gasket positioned below the air outlet groove is arranged on the outer wall of the core sleeve, a supporting plate which is connected with the outer wall of the core sleeve and diffuses outwards is arranged at the upper end of the core sleeve, and a sealing assembly is arranged in the supporting plate;
the puncture needle assembly comprises a needle body, a needle head and a lock rod, wherein the axis of the needle body is provided with a through hole, the needle head is in threaded connection with the lower end of the needle body, the lock rod is inserted into the through hole, the middle part of the needle head is provided with a cavity, the outer wall of the cavity is elastic, the cavity bulges outwards, an elastic extrusion assembly is arranged in the cavity, and the lock rod is in threaded connection with the elastic extrusion assembly;
the outer sleeve is connected with a fixed sleeve in a sliding way, the left side and the right side of the fixed sleeve are respectively provided with a rotating shaft which is vertical to the axis of the outer sleeve, and the two rotating shafts are respectively connected with an adhesive base which can be adhered to the skin in a rotating way.
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
1. a double-layer sleeve pipe assembly is designed, the opening and closing of a gas injection channel are realized by the up-and-down movement of a core sleeve, and a more reasonable gas supplementing structure is provided by matching with a plurality of gas outlet holes which are surrounded on an outer sleeve pipe, so that the artificial pneumoperitoneum can be quickly established, and the gas leakage can be prevented;
2. the bottom of the core sleeve is provided with a plurality of clamping jaws which are turned outwards, the clamping jaws and the coating film are screwed in or screwed out along with the up-and-down movement of the core sleeve, and the clamping jaws are turned at the bottom of the outer sleeve when screwed out, so that the sleeve assembly is blocked in the abdominal cavity, the sleeve assembly is effectively prevented from being taken out when an instrument is plugged in or pulled out, and risks in the operation are avoided;
3. the utility model discloses a novel concatenation formula pjncture needle subassembly, the sacculus in the locking lever connection syringe needle that runs through the needle body with one, locking lever extrusion sacculus makes cavity on the syringe needle keep strutting the form for the thimble assembly that is located the needle body outside runs through the muscle tissue more easily, and the linkage of locking lever and sacculus, conveniently controls the state of cavity, thereby is convenient for take out the pjncture needle subassembly in the thimble assembly.
Drawings
FIG. 1 is a front isometric view of the present invention.
Fig. 2 is a full cross-sectional view of the needle assembly of the present invention after removal from the cannula assembly.
Fig. 3 is a schematic view of the structure of the core sleeve of the present invention.
Fig. 4 is a schematic view of the structure of the seal assembly of the present invention.
Figure 5 is a disassembled schematic view of a blocking plate of the present invention.
FIG. 6 is a disassembled schematic view of the lancet assembly of the present invention.
FIG. 7 is a schematic view of the positioning assembly of the present invention with one of the adhesive bases removed.
Fig. 8 is an enlarged view of a in fig. 2 according to the present invention.
Fig. 9 is an enlarged view of B of fig. 2 according to the present invention.
Fig. 10 is an enlarged view of C of fig. 3 according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, the puncture needle assembly comprises a cannula assembly 1 and a puncture needle assembly 2 which can be inserted into the cannula assembly 1, wherein the cannula assembly 1 is divided into an inner layer and an outer layer, the outer layer is an outer sleeve 4 with a smooth surface and a chamfer angle at the bottom, the inner layer is a core sleeve 5 in threaded connection with the inner wall of the outer sleeve 4, a gas injection pipeline 6 communicated with the inner part of the outer sleeve 4 is arranged at the upper part of the outer sleeve 4, a plurality of gas outlet holes 7 which are uniformly distributed along the circumferential direction and are communicated with the inner part and the outer part are arranged at the lower part of the outer sleeve 4, and a circular gas injection groove 8 is arranged at the upper side of the outer wall of the core sleeve 5; the lower side of the outer wall of the core sleeve 5 is provided with an annular air outlet groove 9, the outer wall of the core sleeve 5 is provided with a plurality of air passing grooves 10 which are uniformly distributed along the circumferential direction of the core sleeve, and the air injection groove 8 is communicated with the air outlet groove 9 through the air grooves 10;
the lower end of the core sleeve 5 is provided with a plurality of elastic clamping jaws 11 which are uniformly distributed along the circumferential direction of the core sleeve, the clamping jaws 11 are turned outwards, and the outer sides of the clamping jaws 11 are provided with coating films 12; a sealing gasket 13 positioned below the air outlet groove 9 is arranged on the outer wall of the core sleeve 5, a supporting plate 14 which is connected with the outer wall of the core sleeve 5 and diffuses outwards is arranged at the upper end of the core sleeve 5, and a sealing component 15 is arranged in the supporting plate 14;
the puncture needle assembly 2 comprises a needle body 16 with a through hole at the axis, a needle head 17 in threaded connection with the lower end of the needle body 16 and a lock rod 18 inserted into the through hole, wherein a cavity 19 is arranged in the middle of the needle head 17, the outer wall of the cavity 19 is elastic, the cavity 19 bulges outwards, an elastic extrusion assembly is arranged in the cavity 19, and the lock rod 18 is in threaded connection with the elastic extrusion assembly;
the outer sleeve 4 is connected with a fixed sleeve 20 in a sliding way, the left side and the right side of the fixed sleeve 20 are respectively provided with a rotating shaft 21 which is vertical to the axis of the outer sleeve 4, and the two rotating shafts 21 are respectively connected with an adhesive base 22 which can be adhered to the skin in a rotating way.
Furthermore, the depth of the outer sleeve 4 is equal to the length of the core sleeve 5, the height of the gas injection groove 8 from the support plate 14 is equal to the height of the gas injection pipeline 6 from the upper end surface of the outer sleeve 4, the plurality of gas outlet holes 7 are positioned in the same plane, and the height of the plane from the lower end surface of the outer sleeve 4 is equal to the height of the gas outlet groove 9 from the lower end surface of the core sleeve 5; when the core sleeve 5 is completely inserted into the outer sleeve 4, the outlet of the gas injection pipeline 6 corresponds to the annular gas injection groove 8, the plurality of gas outlets 7 respectively correspond to the annular gas outlet grooves 9, gas enters the gas injection groove 8 through the gas injection pipeline 6, and is discharged into the abdominal cavity of a patient from the plurality of gas outlets 7 after passing through the gas grooves 10 and the gas outlet grooves 9; in addition, when the core sleeve 5 is completely inserted into the outer sleeve, the plurality of claws 11 at the lower end of the core sleeve 5 are folded outwards, so that the coating film 12 is blocked outside the outer sleeve 4, and the outer sleeve 4 is prevented from being accidentally taken off.
Furthermore, the sealing assembly 15 comprises a circular supporting seat 23 located in the supporting plate 14, the supporting seat 23 is fixed in the supporting plate 14 through a fixing pin 24, the supporting seat 23 is provided with a plurality of smoothbores 25 which are uniformly distributed along the circumference and penetrate through the inner side wall of the supporting seat, a push rod 26 is connected in the smoothbores 25 in a sliding manner, the push rod 26 penetrates through the side wall of the core sleeve 5, one end of the push rod 26 inserted into the smoothbores 25 is provided with a thrust spring 27 connected with the bottom of the smoothbores 25, the other end of the push rod 26 is provided with a blocking plate 28 located in the core sleeve 5, a sealing plate 29 which inclines downwards and has elasticity is arranged on the inner side of the blocking plate 28, and the blocking plates 28 can form a complete cylinder; when the puncture needle assembly 2 is inserted through the upper port of the core pack 5, the outer wall of the needle body 16 presses the sealing plate 29 to press the lower end thereof, thereby opening the plurality of sealing plates 29 and pushing the stopper plate 28 to move the push rod 26 of the stopper plate 28 into the slide chamber 25.
Furthermore, the upper end of the support plate 14 is parallel to the upper end of the core sleeve 5, an abdicating groove 30 positioned outside the blocking plate 28 is formed in the inner wall of the upper port of the core sleeve 5, and the thickness of the abdicating groove 30 is equal to that of the blocking plate 28; when the blocking plate 28 is pressed and tightly attached to the inner wall of the abdicating groove 30, the limiting position of the blocking plate 28 is expanded outwards.
Furthermore, the inner wall of the core sleeve 5 is provided with an annular sealing ring 31 positioned at the lower end of the abdicating groove 30, the sealing ring 31 has elasticity, the upper end of the sealing ring is tightly contacted with the lower end of the blocking plate 28, and the lower end of the sealing plate 29 is provided with a soft rubber head 32; when no instrument is inserted into the core sleeve 5, the thrust spring enables the plurality of blocking plates 28 to surround to form a tight cylinder, the plurality of sealing plates 29 are tightly contacted and enable the plurality of rubber heads 32 to be in interference fit, the sealing performance of the sealing assembly 15 is ensured, and the sealing ring 31 seals a gap between the blocking plates 28 and the core sleeve 5, so that the good integral air tightness is ensured; when the instrument is inserted into the core sleeve 5, the sealing plates 29 are opened, the blocking plates 28 move outwards, the sealing ring 31 is tightly extruded on the outer wall of the instrument inserted into the core sleeve 5, the air tightness in the operation is ensured, and the sealing ring 31 and the sealing assembly 15 are matched to realize the fixation of the instrument and enhance the air tightness.
Furthermore, the elastic extrusion assembly comprises a ball bag 33 connected with the inner wall of the cavity 19, a supporting column 34 connected with the needle head 17 is arranged at the lower end of the ball bag 33, a connecting seat 35 coaxial with the supporting column 34 is arranged at the upper end of the ball bag 33, the lower end of the locking rod 18 is in threaded connection with the connecting seat 35, and the length of the locking rod 18 is equal to the height from the upper end of the supporting column 34 to the upper end face of the needle body 16; when the locking rod 18 is pushed downwards into the cavity 19, the bottom of the locking rod 18 presses the balloon 33 and then abuts against the supporting column 34, the extruded balloon 33 completely props up the cavity 19, the maximum cross section diameter of the propped-up cavity 19 is larger than the diameter of the lower end face of the outer sleeve 4, and the sleeve assembly 1 positioned outside the needle body 16 can be conveniently brought into the abdominal cavity of a patient.
Furthermore, the bonding base 22 is oval, a triangular support 36 is arranged at the upper end of the bonding base 22, a rotating hole with a latch inside is formed in the support 36, a plurality of blocking strips 38 uniformly distributed along the circumferential direction of the rotating shaft 21 are arranged on the rotating shaft 21, the blocking strips 38 protrude outwards and are matched with the latch inside the rotating hole, a stop block 39 located on the inner side of the blocking strips 38 is arranged on the rotating shaft 21, a blocking cap 40 is connected to the outer end of the rotating shaft 21 in a threaded manner, and a locking bolt 41 penetrating through the inside of the fixing sleeve 20 is connected to the fixing sleeve in a threaded manner; the fixing sleeve 20 can be fixed on the outer sleeve 4 by screwing the locking bolt 41, and under the action of the barrier strip 38 and the clamping teeth in the rotary hole, the rotary shaft 21 needs external force to act and has pause and frustration feeling when rotating, so that the fixing sleeve 20 can be fixed at the current angle after rotating every time, and the puncture angle of the sleeve assembly 1 is conveniently kept.
Furthermore, a lifting plate 42 is arranged at the upper end of the lock rod 18, a vent hole 43 which is arranged at the axis of the lock rod 18 and penetrates through the lifting plate 42 in the vertical direction is arranged, an outlet at the lower end of the vent hole 43 is arranged on the outer wall of the lock rod 18, and a blocking plate 44 which can block the vent hole 43 is hinged at the upper end of the lifting plate 42; the rotating closure plate 44 opens and closes the vent hole 43 to facilitate squeezing and pulling the locking bar 18.
Further, a regulating valve 45 located outside the sleeve assembly 1 is disposed on the gas injection pipe 6.
Furthermore, a plurality of anti-slip strips 46 are uniformly distributed along the circumferential direction of the supporting disk 14 on the outer side of the supporting disk; the anti-slip strip 46 can effectively prevent the support plate 14 from slipping when rotating, and the rotation of the support plate 14 can drive the core sleeve 5 to screw in or screw out in the outer sleeve 4.
When the device is used, the outer sleeve 4 is held by one hand, the supporting plate 14 is twisted by one hand to rotate, the core sleeve 5 is in threaded connection with the outer sleeve 4, when the core sleeve 5 is driven to rotate by the supporting plate 14, the core sleeve 5 can move upwards along the outer sleeve 4, so that the plurality of claws 11 at the bottom of the core sleeve 5 are retracted into the core sleeve 5, when the complete claws 11 move into the core sleeve 5, the core sleeve 5 is not separated from threaded connection with the outer sleeve 4, and the claws 11 which are turned outwards and folded abut against the inner wall of the outer sleeve 4;
the locking rod 18 of the puncture needle assembly 2 is penetrated from the through hole at the upper end of the needle body 16, then the lower end of the locking rod 18 is inserted into the needle head 17, the lower end of the locking rod 18 is in threaded connection with the connecting seat 35 at the upper end of the balloon 33, when the locking rod 18 is screwed into the limit depth of the connecting seat 35, the locking rod 18 is deeply inserted into the balloon 33, then the upper end of the needle head 17 is in threaded connection with the lower end of the needle body 16, and at the moment, because of the support of the balloon 33, the upper end of the locking rod 18 is protruded above the needle body 16; inserting the puncture needle assembly 2 from the upper port of the core sleeve 5, enabling the puncture needle assembly 2 to be firstly contacted with the sealing assembly 15, enabling the needle head 17 to press the sealing plate 29 to enable the sealing plate 29 to be drawn close outwards, enabling the blocking plates 28 to move outwards along respective directions, enabling the push rod 26 to slide towards the interior of the slide chamber 25 and press the thrust spring 27, enabling the needle head 17 to penetrate through the sealing ring 31, enabling the inner ring of the sealing ring 31 to be in close contact with the outer side wall of the needle body 16, and enabling the cavity 19 bulged outwards on the needle head 17 to be located outside the core sleeve when the puncture needle assembly 2 completely penetrates through the core sleeve 5;
the two bonding bases 22 are respectively bonded on the two sides of the puncture point on the skin of the patient, the fixing sleeve 20 is rotated to enable the rotating shafts 21 on the left side and the right side of the fixing sleeve 20 to respectively rotate in the rotating holes, and the rotation of the rotating shafts 21 has pause feeling due to the matching of the plurality of barrier strips 38 and the latch, so that the included angle between the opening of the fixing sleeve 20 and the skin surface of the patient can be fixed; the assembled cannula assembly 1 and the puncture needle assembly 2 are inserted into the fixing sleeve 20 together, the blocking plate 44 is rotated to open the vent hole 43, one hand holds the fixing sleeve 20 and the cannula assembly 1, the other hand presses the lifting plate 42 with the palm, the whole puncture needle assembly 2 is penetrated into abdominal muscle tissue of a patient along the current angle of the fixing sleeve 20 by pressing the lifting plate 42, the upper end of the locking rod 18 protrudes out of the core sleeve 5, the locking rod 18 moves towards the inside of the needle body 16 when the lifting plate 42 is pressed, the lower end of the locking rod 18 extrudes the balloon 33 until the lower end of the locking rod 18 abuts against the upper end of the supporting column 34, the lifting plate 42 is contacted with the upper end of the needle body 16, the balloon 33 enables the cavity 19 to bulge outwards and keep a supporting state, the bulged cavity 19 opens up a channel for the cannula assembly 1 outside the needle body 16, the smoothness of penetrating of the cannula assembly 1 into the muscle tissue is improved, and the difficulty of penetrating the cannula assembly 1 into the muscle tissue is avoided; when the resistance is obviously reduced, the pressing of the pulling plate 42 is stopped, the locking bolt 41 on the fixing sleeve 20 is rotated to fix the cannula assembly 1 in the fixing sleeve 20, and then the puncture needle assembly 2 is pulled outwards, and the balloon 33 loses the extrusion of the locking rod 18 at the moment, so that the outer wall of the cavity 19 does not keep a bulging state any more, and the whole puncture needle assembly 2 is conveniently pulled out from the cannula assembly 1;
after the puncture needle assembly 2 is withdrawn, under the action of the thrust spring 27, the push rods 26 push the respective barrier plates 28 towards the axis of the core sleeve 5 until the barrier plates 28 are contacted with each other to form a closed cylinder, the sealing plates 29 are contacted with each other, the rubber heads 32 at the lower ends of the sealing plates 29 are pressed together to form a seal, and the sealing ring 31 at the lower side of the barrier plates 28 is tightly contacted with the lower ends of the barrier plates 28 (as shown in fig. 8) to prevent gas from flowing out of the abdicating groove 30;
the supporting plate 14 is rotated to enable the core sleeve 5 to move towards the bottom of the outer sleeve 4 along the threaded connection part until the lower end of the supporting plate 14 is contacted with the upper end of the outer sleeve 4, the gas injection groove 8 corresponds to an outlet of the gas injection pipeline 6, the sealing gasket 13 on the core sleeve 5 moves to the lower part of the gas outlet 7 from the upper part of the gas outlet 7, the gas outlet groove 9 corresponds to the plurality of gas outlet 7 on the outer sleeve 4, so that the gas injection groove 8 is communicated with the abdominal cavity, and at the moment, the plurality of clamping jaws 11 are separated from the extrusion of the inner wall of the outer sleeve 4 and are automatically turned outwards, the coating film 12 is unfolded at the bottom of the outer sleeve 4, so that the plurality of clamping jaws 11 and the coating film 12 are blocked in the abdominal cavity, the air tightness of the puncture part is ensured, and the phenomenon that the sleeve assembly 1 is shaken to cause the sleeve assembly 1 to be separated from the abdominal cavity when various instruments are plugged is also avoided; the gas injection pipeline 6 is connected with a gas pump, the regulating valve 45 is opened, so that carbon dioxide gas for establishing artificial pneumoperitoneum enters the gas injection groove 8 through the gas injection pipeline 6, the gas injection groove 8 is communicated with the gas outlet groove 9 through the plurality of gas passing grooves 10, and the carbon dioxide gas smoothly enters the gas outlet groove 9 and is discharged into the abdominal cavity of a patient from the gas outlet hole 7;
the mode of various surgical instruments entering and exiting the core sleeve 5 is consistent with the mode of inserting and extracting the puncture needle assembly 2;
when the sleeve assembly 1 needs to be taken down, the supporting plate 14 only needs to be rotated again to enable the core sleeve 5 to move upwards, the clamping jaws 11 and the coating film 12 are contracted inside the outer sleeve 4, the blocking of the clamping jaws 11 to the outer sleeve 4 is released, and then the locking bolt 41 on the fixing sleeve 20 is loosened, so that the whole sleeve assembly 1 can be taken out.
The novel double-layer sleeve pipe assembly is designed, the core sleeve is moved up and down to open and close the gas injection channel, and the gas injection channel is matched with the plurality of gas outlet holes surrounding the outer sleeve pipe to provide a more reasonable gas supplementing structure, help to quickly establish artificial pneumoperitoneum and prevent gas leakage; the bottom of the core sleeve is provided with a plurality of clamping jaws which are turned outwards, the clamping jaws and the coating film are screwed in or screwed out along with the up-and-down movement of the core sleeve, and the clamping jaws are turned at the bottom of the outer sleeve when screwed out, so that the sleeve assembly is blocked in the abdominal cavity, the sleeve assembly is effectively prevented from being taken out when an instrument is plugged in or pulled out, and risks in the operation are avoided; the novel spliced puncture needle assembly is designed, a lock rod penetrating through a needle body is connected with a balloon in the needle head, the lock rod extrudes the balloon to enable a cavity on the needle head to be kept in an opening state, the sleeve assembly positioned outside the needle body is enabled to penetrate through muscle tissues more easily, the lock rod is linked with the balloon, the state of the cavity is conveniently controlled, and the puncture needle assembly is convenient to take out from the sleeve assembly.
Claims (10)
1. A enterogastric surgery abdominal cavity operation puncture device comprises a sleeve pipe assembly (1), a puncture needle assembly (2) capable of being inserted into the sleeve pipe assembly (1) and a positioning assembly (3) positioned outside the sleeve pipe assembly (1), and is characterized in that the sleeve pipe assembly (1) is divided into an inner layer and an outer layer, the outer layer is an outer sleeve (4) with a smooth surface and a chamfer angle at the bottom, the inner layer is a core sleeve (5) in threaded connection with the inner wall of the outer sleeve (4), a gas injection pipeline (6) communicated with the inner part of the outer sleeve (4) is arranged at the upper position of the outer sleeve (4), a plurality of gas outlet holes (7) which are uniformly distributed along the circumferential direction and are communicated with the inside and the outside are arranged at the lower position of the outer sleeve (4), and a circular gas injection groove (8) is arranged at the upper side of the outer wall of the core sleeve (5); the lower side of the outer wall of the core sleeve (5) is provided with a circular air outlet groove (9), the outer wall of the core sleeve (5) is provided with a plurality of air passing grooves (10) which are uniformly distributed along the circumferential direction, and the air injection groove (8) is communicated with the air outlet groove (9) through the air passing grooves (10); the lower end of the core sleeve (5) is provided with a plurality of elastic clamping jaws (11) which are uniformly distributed along the circumferential direction of the core sleeve, the clamping jaws (11) are turned outwards, and the outer sides of the clamping jaws are provided with coating films (12); a sealing gasket (13) positioned below the air outlet groove (9) is arranged on the outer wall of the core sleeve (5), a supporting disk (14) which is connected with the outer wall of the core sleeve (5) and diffuses outwards is arranged at the upper end of the core sleeve (5), and a sealing assembly (15) is arranged in the supporting disk (14);
the puncture needle assembly (2) comprises a needle body (16) with a through hole at the axis, a needle head (17) in threaded connection with the lower end of the needle body (16) and a lock rod (18) inserted into the through hole, wherein a cavity (19) is arranged in the middle of the needle head (17), the outer wall of the cavity (19) is elastic, the cavity (19) bulges outwards, an elastic extrusion assembly is arranged in the cavity (19), and the lock rod (18) is in threaded connection with the elastic extrusion assembly;
the positioning component (3) comprises a fixed sleeve (20) which is connected on the outer sleeve (4) in a sliding way, the left side and the right side of the fixed sleeve (20) are respectively provided with a rotating shaft (21), the two rotating shafts are positioned on the same straight line, the straight line is vertical to the axis of the outer sleeve (4), and the two rotating shafts (21) are respectively and rotatably connected with a bonding base (22) which can be bonded on the skin.
2. The enterogastric abdominal surgery puncture device according to claim 1, characterized in that the depth of the outer sleeve (4) is equal to the length of the core sleeve (5), the height of the air injection groove (8) from the support plate (14) is equal to the height of the air injection pipe (6) from the upper end surface of the outer sleeve (4), the air outlet holes (7) are positioned in the same plane, and the height of the plane from the lower end surface of the outer sleeve (4) is equal to the height of the air outlet groove (9) from the lower end surface of the core sleeve (5).
3. The enterogastric surgery abdominal cavity surgery puncturing device is characterized in that the sealing assembly (15) comprises a circular supporting seat (23) which is positioned in the supporting plate (14), the supporting seat (23) is fixed in the supporting plate (14) through a fixing pin (24), a plurality of slide chambers (25) which are uniformly distributed along the circumferential direction of the supporting seat and penetrate through the inner side wall of the supporting seat (23) are formed in the supporting seat (23), a push rod (26) is connected in the slide chambers (25) in a sliding mode, the push rod (26) penetrates through the side wall of the core sleeve (5), a thrust spring (27) which is connected with the bottom of the slide chambers (25) is arranged at one end, inserted into the slide chambers (25), of the push rod (26), a blocking plate (28) which is positioned in the core sleeve (5) is arranged at the other end of the push rod (26), a sealing plate (29) which is elastic and inclines downwards is arranged on the inner side of the blocking plate (28), and the blocking plates (28) can form a complete cylinder.
4. The enterocoelia surgery puncture device is characterized in that the upper end of the supporting disk (14) is parallel to the upper end of the core sleeve (5), the inner wall of the upper port of the core sleeve (5) is provided with a yielding groove (30) positioned outside the blocking plate (28), and the thickness of the yielding groove (30) is equal to that of the blocking plate (28).
5. The gastrointestinal surgery abdominal cavity operation puncturing device according to claim 4, wherein the inner wall of the core sleeve (5) is provided with an annular sealing ring (31) which is positioned at the lower end of the abdicating groove (30), the sealing ring (31) has elasticity and the upper end thereof is in close contact with the lower end of the blocking plate (28), and the lower end of the sealing plate (29) is provided with a soft rubber head (32).
6. The enterogastric surgery abdominal cavity operation puncturing device is characterized in that the elastic extrusion component comprises a ball bag (33) connected with the inner wall of the cavity (19), a supporting column (34) connected with the needle head (17) is arranged at the lower end of the ball bag (33), a connecting seat (35) coaxial with the supporting column (34) is arranged at the upper end of the ball bag (33), the lower end of the locking rod (18) is in threaded connection with the connecting seat (35), and the length of the locking rod (18) is equal to the height from the upper end of the supporting column (34) to the upper end face of the needle body (16).
7. The enterogastric surgery abdominal cavity operation puncturing device according to claim 1, wherein the bonding base (22) is oval, a triangular supporting frame (36) is arranged at the upper end of the bonding base (22), a rotary hole with a latch inside is formed in the supporting frame (36), a plurality of blocking strips (38) uniformly distributed along the circumferential direction of the rotary shaft (21) are arranged on the rotary shaft (21), the blocking strips (38) protrude outwards and are matched with the latch inside the rotary hole, a blocking block (39) located on the inner side of the blocking strips (38) is arranged on the rotary shaft (21), a blocking cap (40) is in threaded connection with the outer end of the rotary shaft (21), and a locking bolt (41) penetrating through the fixing sleeve (20) is in threaded connection with the fixing sleeve.
8. The enterocoelia surgery puncturing device for the gastrointestinal surgery according to claim 1, wherein a pulling plate (42) is arranged at the upper end of the locking rod (18), a vent hole (43) which is arranged along the vertical direction and penetrates through the pulling plate (42) is arranged at the axis of the locking rod (18), the outlet at the lower end of the vent hole (43) is arranged on the outer wall of the locking rod (18), and a blocking plate (44) which can block the vent hole (43) is hinged at the upper end of the pulling plate (42).
9. The gastrointestinal surgical laparoscopic puncture device according to claim 1, wherein the insufflation tube (6) is provided with a regulating valve (45) located outside the cannula assembly (1).
10. A puncture device for enterocoelia surgery according to claim 1, characterized in that a plurality of anti-slip strips (46) are arranged on the outer side of the supporting plate (14) along the circumference.
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| CN202111121687.0A CN113907853B (en) | 2021-09-24 | 2021-09-24 | Enterogastric surgery abdominal cavity operation puncture device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111121687.0A CN113907853B (en) | 2021-09-24 | 2021-09-24 | Enterogastric surgery abdominal cavity operation puncture device |
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| CN113907853A CN113907853A (en) | 2022-01-11 |
| CN113907853B true CN113907853B (en) | 2023-02-28 |
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| CN116019532A (en) * | 2022-12-13 | 2023-04-28 | 北京泰杰伟业科技有限公司 | Diameter-variable tissue expanding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0743044A1 (en) * | 1995-05-17 | 1996-11-20 | C.R. Bard, Inc. | Mucosectomy process and device |
| CN108272493A (en) * | 2018-03-12 | 2018-07-13 | 天津青松华药医药有限公司 | A kind of small-sized laparoscope puncture outfit device |
| CN108294812A (en) * | 2018-03-12 | 2018-07-20 | 天津青松华药医药有限公司 | A kind of laparoscope puncture outfit device |
| CN111839676A (en) * | 2019-04-24 | 2020-10-30 | 恩施土家族苗族自治州中心医院 | Visual laparoscope puncture outfit for operation |
| CN113081200A (en) * | 2021-05-12 | 2021-07-09 | 无锡市神康医疗器械设备有限公司 | Disposable puncture outfit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011200356A (en) * | 2010-03-25 | 2011-10-13 | Fujifilm Corp | Endoscope insertion auxiliary tool |
| CN111281496A (en) * | 2020-02-10 | 2020-06-16 | 青岛大学附属医院 | Novel enterogastric surgery abdominal cavity operation puncture device |
| CN111904554A (en) * | 2020-08-27 | 2020-11-10 | 陈思汉 | Puncture device for enterocoelia operation in gastrointestinal surgery |
-
2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0743044A1 (en) * | 1995-05-17 | 1996-11-20 | C.R. Bard, Inc. | Mucosectomy process and device |
| CN108272493A (en) * | 2018-03-12 | 2018-07-13 | 天津青松华药医药有限公司 | A kind of small-sized laparoscope puncture outfit device |
| CN108294812A (en) * | 2018-03-12 | 2018-07-20 | 天津青松华药医药有限公司 | A kind of laparoscope puncture outfit device |
| CN111839676A (en) * | 2019-04-24 | 2020-10-30 | 恩施土家族苗族自治州中心医院 | Visual laparoscope puncture outfit for operation |
| CN113081200A (en) * | 2021-05-12 | 2021-07-09 | 无锡市神康医疗器械设备有限公司 | Disposable puncture outfit |
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| CN113907853A (en) | 2022-01-11 |
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