CN108272493B - Small-sized laparoscope puncture outfit device - Google Patents
Small-sized laparoscope puncture outfit device Download PDFInfo
- Publication number
- CN108272493B CN108272493B CN201810202024.3A CN201810202024A CN108272493B CN 108272493 B CN108272493 B CN 108272493B CN 201810202024 A CN201810202024 A CN 201810202024A CN 108272493 B CN108272493 B CN 108272493B
- Authority
- CN
- China
- Prior art keywords
- puncture
- sealing
- valve
- seat
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
Landscapes
- 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)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application relates to a small-sized laparoscope puncture outfit device, which comprises a puncture sleeve and a puncture needle, wherein a sealing assembly is arranged in an inner cavity of the puncture sleeve; an air injection valve is arranged on the side wall of the puncture sleeve seat and is integrated with the puncture sleeve. The puncture cannula also comprises a puncture cannula seat and a puncture positioning guide cover, a connecting mechanism between the puncture cannula seat and the puncture positioning guide cover can firmly fix a sealing assembly in an inner cavity formed between the puncture cannula seat and the puncture positioning guide cover, the sealing assembly comprises a first sealing valve, a second sealing valve and a sealing cover, and a multi-stage sealing device is adopted by the sealing assembly, so that the sealing effect is good; a limiting structure is arranged between the puncture positioning guide cover and the puncture needle, so that the puncture needle can be effectively prevented from shaking. The puncture outfit is specially designed for a puncture outfit with the specification of 5mm, and has the advantages of convenience in installation, good sealing effect, safety and reliability.
Description
Technical Field
The application belongs to the technical field of medical appliances, and relates to a small laparoscope puncture outfit device.
Background
In minimally invasive human medical surgery, once a disease is found in a human body, surgery or excision is needed, in the surgery process, a puncture outfit is firstly needed to be applied, and the puncture outfit is a surgical instrument which punctures the abdominal wall and enters a body cavity channel for other surgical instruments, and belongs to a minimally invasive surgical instrument. The penetrator typically includes a sleeve assembly for access to other surgical instruments and a penetration rod extending through the sleeve assembly. Firstly, in order to penetrate skin, firstly, skin epidermis is incised by a scalpel, then skin is penetrated by a puncture rod and the puncture rod together with a sleeve component enter a body cavity, then the puncture rod is withdrawn, the sleeve component can be used as a channel for introducing various instruments and tools into an abdominal cavity and providing a gas filling chamber for raising the abdominal wall to the upper part of an organ, in order to prevent gas leakage in the abdominal cavity when various instruments and tools are inserted into the abdominal cavity in the operation process, a sealing component is required to be arranged in the sleeve component, the common sealing component generally comprises a mounting seat, a plurality of sealing gaskets which are distributed in a woven mode or are arranged in a staggered and overlapped mode circumferentially are arranged on the mounting seat, and in use, the instruments pass through the center of the sealing component formed by a plurality of the sealing gaskets, so that the sealing effect is achieved. However, the existing puncture outfit has the problems that the sealing effect of a sealing assembly is poor, a puncture needle rod is easy to shake, an air injection valve is easy to leak air and the like, and the use effect is poor.
Therefore, how to improve the use effect of the puncture outfit and ensure the fluency of the movement process of the instrument is a technical problem to be solved at present.
Disclosure of Invention
The application aims to solve the technical problem of providing a small-sized laparoscope puncture outfit device aiming at the defects of the prior art. The puncture outfit is specially designed for a small puncture outfit with the specification of 5mm, and has the advantages of convenient installation, good sealing effect, safety and reliability.
In order to solve the problems, the application adopts the following technical scheme:
the small-sized laparoscope puncture outfit comprises a puncture sleeve and a puncture needle, wherein a sealing assembly is arranged in an inner cavity of the puncture sleeve, a channel for the puncture needle to penetrate is arranged in the vertical center of the puncture sleeve and is marked as a puncture channel, and when the puncture sleeve is used, the puncture needle is inserted into the puncture sleeve through the puncture channel and extends out of the tail end of the puncture sleeve; an air injection valve is arranged on the side wall of the puncture sleeve seat and is integrated with the puncture sleeve.
Further, the puncture cannula further comprises a puncture cannula body and a puncture positioning guide cover, the puncture cannula body comprises a puncture cannula seat and a cannula, the puncture positioning guide cover is arranged above the puncture cannula seat, and the cannula is arranged below the puncture cannula seat;
the specific connection mechanism of the puncture positioning guide cover and the puncture sleeve seat is as follows: the puncture sleeve seat is provided with a first locking groove, the puncture positioning guide cover is provided with a corresponding first locking boss, one side of the first locking groove is provided with a locking spring plate, and after the first locking boss slides into the first locking groove by rotating to lower the locking spring plate, the locking spring plate springs up to clamp the first locking boss in the first locking groove.
Further, the first locking groove is an L-shaped hollow groove and is formed in the seat edge on the upper portion of the puncture sleeve seat, the short side portion of the L-shaped hollow groove is located on the side edge of the locking elastic piece and serves as a clamping portion of the first locking boss, the long side portion of the L-shaped hollow groove is located below the locking elastic piece, and a pressing space is provided for the locking elastic piece.
Further, a second locking groove is further formed in the wall of the seat edge at the upper part of the puncture sleeve seat, a corresponding second locking boss is arranged on the puncture positioning guide cover, and the second locking boss is clamped and fixed by rotating and sliding into the second locking groove; the second locking groove is an L-shaped groove, the opening end of the L-shaped groove faces upwards, and the closed end faces the circumferential direction of the seat edge on the upper part of the puncture sleeve seat.
Further, the seal assembly is installed in the inner chamber that forms between puncture location direction lid and the puncture cannula holder, the seal assembly includes first seal valve, second seal valve and sealed cowling, the second seal valve corresponds with the installation section of thick bamboo in the puncture ware base and is connected, first seal valve is installed to the top of second seal valve, and sealed cowling is installed to the top of first seal valve, and the top of sealed cowling is puncture location direction lid, and puncture location direction lid is connected with puncture cannula holder and is compressed tightly the seal assembly in it.
Further, the first sealing valve is a cup sealing valve made of elastic materials, the second sealing valve is a duckbill valve made of elastic materials, the upper part of the duckbill valve is a mounting ring, a second groove correspondingly connected with a mounting cylinder in the puncture outfit base is arranged below the mounting ring, the cup bottom of the cup sealing valve is in seamless connection with the upper bottom surface of the mounting ring, the side wall of the cup sealing valve is embedded and mounted in the first groove below the sealing cover, the side wall of the outer side of the second groove corresponds to the side wall of the cup sealing valve in position, and the width of the side wall of the second groove is equal.
Further, the side wall of the cup body sealing valve is vertically connected with the cup bottom, a puncture needle hole is formed in the center of the cup bottom of the cup body sealing valve, a fold part is further arranged on the lower bottom surface of the cup bottom, the opening direction of folds in the fold part is opposite to the opening direction of the cup body sealing valve, and the outer bottom surface of the cup bottom between the fold part and the puncture needle hole is an inclined surface.
Further, the puncture needle comprises a puncture needle rod and a puncture needle sealing cover, the puncture needle rod comprises a rod body, a puncture conical head and a puncture needle rod seat, the puncture needle rod seat is arranged at the top of the rod body, and the puncture conical head is arranged at the bottom of the rod body; the periphery of the cover body of the puncture needle sealing cover is divided into two symmetrical flat surfaces and two symmetrical arc surfaces, the flat surfaces are smooth surfaces, and the arc surfaces are provided with convex lines; a positioning groove is arranged in the puncture needle sealing cover close to the flat surface side, a corresponding positioning column is arranged on the puncture needle rod seat, and the positioning column is inserted into the positioning groove to fixedly install the puncture needle sealing cover and the puncture needle rod seat.
Further, a limiting block is further arranged on the puncture needle rod, a limiting groove corresponding to the limiting block is formed in the puncture positioning guide cover, and the limiting block is embedded into the limiting groove to form a limiting mechanism.
Further, two concave parts are arranged on the peripheral surface of the puncture sleeve seat, an air injection valve is arranged at the outer side of one concave part, the air injection valve comprises a valve body, a valve core and an air injection pipe, the air injection pipe is connected with a mounting cylinder in the concave part, and an included angle between the air injection pipe and the mounting cylinder is 65-75 degrees; the valve body is cylindrical and is arranged on the gas injection pipe in a left-right through direction; a valve core capable of rotating circumferentially to communicate or block the gas injection pipe is arranged in the valve body; the puncture cannula seat, the valve body and the gas injection pipe are of an integrated structure.
Working principle:
the sealing device of the application is matched with a disposable puncture outfit for use, is a minimally invasive endoscopic matched surgical instrument which is suitable for the establishment of a surgical working channel in the abdominal cavity, urinary tract and gynecological endoscopic examination and surgical process, firstly, a puncture cone at the front end of a puncture cone of the disposable puncture outfit is inserted into a small incision of the abdominal soft tissue of a patient, the puncture cone punctures the lower layer of the soft tissue and enters the soft tissue together with a bevel section with taper at the lower part of a puncture sleeve, the puncture cone penetrates through the abdominal soft tissue of the patient until reaching the abdominal cavity, at the moment, the puncture sleeve penetrates into the abdominal cavity along with the puncture cone to reach the middle part of the puncture sleeve, as the lower part of a second sealing valve is provided with a duckbill valve body, the lower part of the duckbill valve body is provided with an air inlet hole to play a role of unidirectional sealing, when the puncture cone is pulled out of the puncture sleeve, a valve switch at the upper part of the gas injection valve is opened, gas is injected into the abdominal cavity of a patient from the puncture sleeve through a gas inlet of the gas injection valve, a valve core and a valve body, so that the abdominal cavity of the patient is bulged, the valve is closed, an abdominal cavity surgical instrument can be inserted into the abdominal cavity from a first sealing valve and a second sealing valve of the disposable puncture outfit and is inserted into the abdominal cavity through the puncture sleeve, the performance of the sealed abdominal cavity surgical instrument is good due to the arrangement of the second sealing valve and the first sealing valve, gas in the injected abdominal cavity cannot leak, the surgical instrument is pulled out of the disposable puncture outfit after the operation is finished, the valve switch is opened, the injected gas in the abdominal cavity of the patient is discharged from a gas outlet of the gas injection valve, and the disposable puncture outfit can be pulled out of the abdominal cavity of the patient after the injected gas is discharged.
Advantageous effects
The sealing component in the small puncture outfit has reliable sealing performance by adopting the multi-channel sealing device, particularly the design of the first sealing valve can effectively ensure the dynamic sealing effect in the operation process, and the gas injected into the abdominal cavity through the puncture outfit gas injection valve can not leak out in the operation process, so that the normal operation of the abdominal cavity can be ensured, and the use is safe and reliable.
The connecting structure between the puncture positioning guide cover and the puncture sleeve seat in the small puncture outfit can effectively compress the sealing assembly, can effectively avoid false collision, and can further ensure the safety of the puncture outfit in the use process by screwing the puncture positioning guide cover out of the puncture sleeve seat.
A limiting mechanism is further arranged between the puncture positioning guide cover and the puncture needle in the small puncture outfit, so that the puncture needle is prevented from shaking in the operation process, and the operation safety is ensured.
The puncture needle sealing cover and the puncture needle rod in the small puncture outfit are also provided with the positioning structures, so that the rapid installation between the puncture needle sealing cover and the puncture needle rod can be ensured, and the process is simple and rapid.
The valve mounting structure in the small puncture outfit adopts integrated molding between the gas injection valve and the puncture sleeve seat, has strong mounting stability, ensures good sealing effect during use and is not easy to generate gas leakage or liquid leakage.
In a word, the disposable puncture outfit has reasonable design, compact structure, safe and effective use, can greatly reduce the wound area in clinical operation, greatly shorten the operation time, reduce the bleeding and postoperative infection of patients and improve the operation quality. By adopting the first sealing valve, good sealing capability can be still maintained after surgical instruments are repeatedly put in and taken out 1000 times. Can be widely applied to small puncture outfits for minimally invasive surgical operations such as laparoscopes, thoracoscopes and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of a small-sized puncture outfit according to the present application;
FIG. 2 is a schematic cross-sectional view of the small-sized puncture outfit according to the present application;
FIG. 3 is a schematic view of an explosive structure of the small-sized puncture outfit according to the present application;
FIG. 4 is a schematic view of the puncture cannula of the miniature puncture outfit of the present application;
FIG. 5 is a schematic view of an explosive structure of a puncture cannula of the small-sized puncture outfit according to the present application;
FIG. 6 is a schematic view showing the structure of the inner cross section of the puncture cannula holder of the small puncture outfit according to the present application;
FIG. 7 is a schematic cross-sectional view of a seal assembly of the small-sized puncture outfit according to the present application;
FIG. 8 is a schematic view of an exploded view of the seal assembly of the miniature puncture outfit of the present application;
FIG. 9 is a schematic view showing the overall structure of a first sealing valve of the small-sized puncture outfit according to the present application;
FIG. 10 is a schematic view showing a forward cross-sectional structure of a first sealing valve of the small-sized puncture outfit according to the present application;
FIG. 11 is a schematic view showing a reverse cross-sectional structure of a first sealing valve of the small-sized puncture instrument according to the present application;
FIG. 12 is a schematic cross-sectional view of a second sealing valve of the small-sized puncture outfit according to the present application;
FIG. 13 is a schematic front view of the puncture cannula holder of the small-sized puncture outfit according to the present application;
FIG. 14 is a schematic view showing the inner surface structure of a puncture positioning guide cover of the small puncture outfit of the present application;
FIG. 15 is a schematic front view of the puncture positioning guide cover of the small puncture outfit of the present application;
FIG. 16 is a schematic view showing the reverse structure of the puncture cannula holder of the small puncture outfit according to the present application;
FIG. 17 is a schematic view showing the structure of a puncture needle of the small puncture outfit according to the present application;
FIG. 18 is an enlarged schematic view showing the connection structure between the lancet shaft and the lancet sealing cap of the small-sized puncture outfit according to the present application;
FIG. 19 is an enlarged schematic view showing the structure of the lancet holder of the small-sized puncture outfit according to the present application;
FIG. 20 is an enlarged schematic view showing the structure of the lancet sealing cap of the small-sized puncture outfit according to the present application;
FIG. 21 is a schematic view of the structure of the gas injection valve of the small puncture outfit of the present application;
FIG. 22 is a schematic view of the valve stem structure of the gas injection valve of the small-sized puncture outfit according to the present application;
wherein, 1-puncture cannula body, 11-puncture cannula seat, 111-mounting cylinder, 112-concave part, 113-rib plate, 114-first locking groove, 115-locking spring, 116-second locking groove, 12-cannula, 2-puncture needle, 21-puncture needle sealing cover, 211-flat surface, 212-arc surface, 213-convex line, 214-positioning groove, 215-plug block, 216-clamping groove, 22-puncture needle bar, 221-bar body, 222-puncture needle bar seat, 223-puncture cone head, 224-limit block, 225-positioning column, 226-clamping block, 227-plug groove, 3-gas injection valve, 31-gas injection tube, 32-valve body, 321-arc notch, 33-valve rod, 331-arc limiting block, 332-conical end, 34-switch handle, 341-anti-slip flange, 35-vent, 4-seal assembly, 41-first seal valve (cup seal valve), 411-cup bottom, 412-cup seal valve side wall, 413-fold, 414-puncture pinhole, 415-guide groove, 42-second seal valve, 421-mounting ring, 422-second groove, 43-seal cover, 5-puncture positioning guide cover, 51-limit groove, 52-compression cylinder, 53-first locking boss, 54-second locking boss, 55-support table, 56-petal groove.
Detailed Description
The application is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
1-6, the small puncture outfit comprises a puncture sleeve and a puncture needle, wherein a sealing component 4 is arranged in the inner cavity of the puncture sleeve, a channel for the puncture needle to penetrate is arranged in the vertical center of the puncture sleeve and is marked as a puncture channel, and when the puncture outfit is used, the puncture needle 2 is inserted into the puncture sleeve through the puncture channel and extends out from the tail end of the puncture sleeve; an air injection valve 3 is arranged on the side wall of the puncture sleeve seat, and the air injection valve 3 and the puncture sleeve are integrated, so that air can be supplied to the body through the puncture outfit, and the pneumoperitoneum can be kept.
The puncture cannula further comprises a puncture cannula body 1 and a puncture positioning guide cover 5, wherein the puncture cannula body 1 comprises a puncture cannula seat 11 and a cannula 12, the puncture positioning guide cover 5 is arranged above the puncture cannula seat 11, and the cannula 12 is arranged below the puncture cannula seat 11; the outer wall of the sleeve 12 is provided with sleeve annular veins, and the purpose of the annular veins is to increase the friction force between the sleeve and the abdominal wall, so that the sleeve is prevented from being extruded out of the abdomen under the action of the abdominal cavity gas pressure, and the operation is prevented from being influenced.
As shown in fig. 5-6, the sealing assembly 4 of the application is arranged in an inner cavity formed between the puncture positioning guide cover 5 and the puncture cannula holder 11, the sealing assembly 4 comprises a first sealing valve (cup sealing valve) 41, a second sealing valve 42 and a sealing cover 43, the second sealing valve 42 is correspondingly connected with the mounting cylinder 111 in the puncture outfit base, the first sealing valve 41 is arranged above the second sealing valve 42, the sealing cover 43 is arranged above the first sealing valve 41, the puncture positioning guide cover 5 is arranged above the sealing cover 43, and the puncture positioning guide cover 5 is connected with the puncture cannula holder 11 to tightly press the sealing assembly therein. The first sealing valve 41 is a cup sealing valve made of elastic materials, the second sealing valve 42 is a duckbill valve made of elastic materials, a mounting ring 421 is arranged above the duckbill valve, the side wall of the cup sealing valve 41 is embedded into a first groove 431 below the sealing cover 43, the cup bottom of the cup sealing valve is in seamless connection with the upper bottom surface of the mounting ring 421, the upper bottom surface of the sealing cover 43 is in close contact with a compression cylinder 52 in the puncture positioning guide cover 5, and the side wall 412 of the cup sealing valve is correspondingly connected with the groove in the sealing cover 43.
The sealing assembly and the puncture sleeve seat are installed in a clamping fit mode, so that the connection is stable and firm, a welding mode in the prior art and the like are not needed, the process is simpler, and the energy conservation and the environmental protection are realized.
In addition, the groove of the sealing cover 43 limits the side wall of the cup sealing valve in the sealing cover, the movable degree of the cup sealing valve is small, the sealing cover 43 in the application acts as a gasket for adding lubrication, so that the upper cover 5 is prevented from having large friction with the first sealing valve 41 during rotation locking, the radial resistance of the first sealing valve 41 is excessively large to deform, and the gas blocking effect is ensured. In addition, the cup body sealing valve is made of hard plastic, so that a hard protective shell is protected for the flexible cup body sealing valve, and deformation of the cup body sealing valve is avoided, and the sealing effect is influenced.
As shown in fig. 12, a second groove 422 correspondingly connected with the mounting cylinder 111 in the puncture outfit base 11 is arranged below the mounting ring 421, and the side wall outside the second groove 422 corresponds to the side wall of the cup seal valve 41 in position and has the same width; the sealing effect can be better due to the corresponding positions of the two.
As shown in fig. 9-11, the first sealing valve 41 of the present application is a cup sealing valve made of elastic material, wherein a puncture needle hole 414 is formed in the center of a cup bottom 411 of the cup sealing valve, a fold portion 413 is further formed on the lower bottom surface of the cup bottom 411, and the opening direction of the fold in the fold portion 413 is opposite to the opening direction of the cup sealing valve 41. The first sealing valve is specially suitable for a surgical instrument with the diameter of a puncture needle hole of 4.7-4.9mm, and after the surgical instrument is inserted into the puncture needle hole, the stretching degree of the bottom surface of the cup bottom between the fold part and the puncture needle hole is increased, so that the aperture of the puncture needle hole is adapted to expand, interference connection can be formed to be clung to the surgical instrument, and meanwhile, the bevel structure design of the bottom surface of the cup bottom between the fold part and the puncture needle hole can also enable air in the sleeve base of the puncture device to press the bevel to hug the surgical instrument, so that a self-sealing structure is formed, and the sealing effect of the puncture needle hole and the surgical instrument is further enhanced; meanwhile, when the surgical instrument shakes, the fold part of the cup bottom can deform, and the puncture needle hole can be tightly attached to the surgical instrument without air leakage, so that a good dynamic sealing effect is maintained.
The ratio of the height of the folds in the folds 413 to the height of the bottom surface of the cup bottom 411 is 1:2-4, and the ratio of the height of the folds in the folds 413 to the height of the bottom surface of the cup bottom is preferably 1:3. The purpose that fold portion does not occupy whole bottom surface of cup bottom is in order to control the degree of stretching of bottom of cup bottom surface between puncture pinhole and fold portion and the puncture pinhole, prevents that the deformation degree is too big, harm sealing member, influences life.
The purpose of providing the opening direction of the folds in the fold portion 413 opposite to the opening direction of the cup seal valve 41 is that the fold inclined surface in the direction has the effect of pressing the bottom surface of the cup under the action of the gas in the puncture cannula holder, so that the cup seal valve 41 is in closer contact with the seal cover 43, and the seal effect is better. The outer edge of the fold part corresponds to the inner wall of the mounting ring, so that the flexibility of the surgical instrument in dynamic use is ensured.
The inner bottom surface of the cup bottom, which extends out of the puncture needle hole 414, is provided with a guide groove 415 with a round table shape. The guide slot 415 is provided for guiding the surgical instrument to enter the puncture needle hole quickly, and for preventing the puncture needle hole from turning outwards when the surgical instrument is withdrawn. The center of the sealing cover is provided with a through hole corresponding to the upper bottom surface of the guide groove, namely the bottom surface of the first sealing valve is supported by the bottom surface of the sealing cover, and the puncture needle hole of the first sealing valve can be further prevented from being turned outwards when the surgical instrument is extracted.
The pleat 413 includes 2 pleats of the same shape. When the number of folds in the fold part 413 is 2, the puncture needle hole can be ensured to generate certain elastic deformation, the deformation degree can be effectively controlled, and the use effect is optimal.
The ratio of the length of the fold 413 from the puncture needle hole wall to the diameter of the puncture needle hole 414 is 3:4-5. The length of the fold part from the wall of the puncture needle needs to be carefully designed, and if the length of the fold part from the wall of the puncture needle is too large, the use flexibility of the surgical instrument in the puncture needle hole is affected; if the length of the fold part from the puncture needle hole wall is too small, the deformation degree of the puncture needle hole is small, which is not beneficial to sealing.
The elastic materials for preparing the first sealing valve and the second sealing valve are flexible medical rubber. Including but not limited to: medical silicone, medical rubber, medical polyurethane, medical latex, and combinations thereof, the sealing boot is made of a rigid plastic, including but not limited to: pp.
The side wall 412 of the cup sealing valve is vertically connected with the cup bottom 411, and the width of the side wall of the cup sealing valve is 3-5 times of the width of the cup bottom. The width of the side wall of the cup body sealing valve is far larger than the width of the cup bottom, so that the strength of the side wall of the cup body sealing valve is ensured, and the cup body sealing valve is not easy to deform in the groove of the sealing cover. The utility model has the advantages of difficult dislocation caused under the exogenic action, difficult tearing of cup lateral wall and cup, business turn over gas is smooth and easy, and the extraction of puncture pole is hard little in the twinkling of an eye, and the extraction degree of difficulty is little.
13-16, the connecting mechanism between the puncture cannula holder and the puncture positioning guide cover comprises a puncture cannula holder 11 and a puncture positioning guide cover 5 arranged on the puncture cannula holder 11, wherein a first locking groove 114 is formed in the puncture cannula holder 11, a corresponding first locking boss 53 is arranged on the puncture positioning guide cover 5, one side edge of the first locking groove 114 is provided with a locking elastic piece 115, and after the first locking boss 53 slides into the first locking groove 114 through rotating the locking elastic piece 115, the locking elastic piece 115 springs up to clamp the first locking boss 53 in the first locking groove 114. The first locking groove 114 is specifically an L-shaped hollow groove, and is formed on the seat edge on the upper portion of the puncture cannula seat 11, wherein a short side portion of the L-shaped hollow groove is located at a side edge of the locking elastic sheet 115, and is used as a clamping portion of the first locking boss 53, and a long side portion of the L-shaped hollow groove is located below the locking elastic sheet 115, so as to provide a space for the locking elastic sheet 115 to be depressed. The locking spring plate 115 is made of medical plastic (pp), is matched with the L-shaped hollowed-out groove below the locking spring plate, has certain deformability, and when the puncture positioning guide cover 5 is installed on the puncture sleeve seat 11, the first locking boss 53 rotates first to press the locking spring to be pressed down towards the long side part of the L-shaped hollowed-out groove, so that the first locking boss 53 can enter the short side part of the L-shaped hollowed-out groove, and the locking spring plate 115 for releasing the pressing is slightly rebounded upwards at the moment, so that the first locking boss 53 is clamped in the first locking groove 114. The special design of the locking spring plate 115 in the application ensures that the first locking boss 53 cannot reversely rotate after being screwed into the first locking groove 114, thereby effectively avoiding the operation of screwing the puncture positioning guide cover 5 out of the puncture sleeve seat 11 by false touch and further ensuring the safety of the puncture outfit in the use process.
Further, the heights of the two ends of the locking spring piece 115 are different, wherein the height of the locking spring piece 115 clamping the side of the first locking boss 53 is larger than that of the locking spring piece 115 on the opposite side. This design allows for better gripping of the locking spring 115.
Further, a second locking groove 116 is further formed in the wall of the upper seat edge of the puncture cannula seat 11, a corresponding second locking boss 54 is arranged on the puncture positioning guide cover 5, and the second locking boss 54 is clamped and fixed by rotating and sliding into the second locking groove 116. The second locking groove 116 is an L-shaped groove with its open end facing upward and its closed end facing in the circumferential direction of the seat upper portion of the puncture cannula seat 11. The design of the second locking groove 116 and the first locking groove 114 in the application is that the second locking groove 116 and the first locking groove 114 are mutually matched, after the second locking table is locked in the second locking groove 116, the first locking table is locked in the first locking groove 114, and the puncture positioning guide cover 5 is ensured not to reversely rotate, so that the second locking table 54 is prevented from rotating out of the second locking groove 116, the second locking groove 116 can realize axial fixation, and the puncture positioning guide cover 5 can be ensured not to collapse from the puncture sleeve seat 11 under the high air pressure in the puncture sleeve seat 11. Therefore, the secondary locking device can further ensure the installation stability of the puncture positioning guide cover 5 on the puncture cannula seat 11 and the sealing effect of the puncture outfit.
Further, the number of the second locking grooves 116 is two, and the two second locking grooves 116 are uniformly distributed on the circumference of the seat at the upper portion of the puncture cannula seat 11. Of the two second locking grooves 116, one second locking groove 116 is adjacent to the first locking groove 114, and the closed end of the second locking groove 116 faces the first locking groove 114 side. The locking mode avoids the common ultrasonic welding and gluing modes, thereby simplifying assembly and reducing production cost.
Further, the center of the puncture positioning guide cover 5 is provided with a compressing cylinder 52, 4 supporting tables are uniformly arranged on the outer side of the compressing cylinder 52, the supporting tables are arranged to ensure the strength of the puncture positioning guide cover 5 and are not easy to deform, one supporting table is provided with a first locking boss 53 corresponding to the first locking groove 114, and the first locking boss 53 is an L-shaped locking boss.
Further, the petal groove 56 is arranged on the outer wall of the puncture positioning guide cover 5, so that friction force during rotation of the puncture positioning guide cover is increased conveniently. In addition, the limit groove 51 corresponding to the puncture needle rod is further formed in the upper portion of the compression cylinder 52, the shape of the limit groove 51 is matched with that of the compression cylinder, a limit structure is formed, the limit groove 51 is arranged above the compression cylinder 52, convenience and stability of installation of the limit block in the limit groove can be guaranteed, strength of the puncture positioning guide cover and stability of installation on the puncture sleeve seat are not affected, and simplicity and high efficiency are achieved.
Further, an inverted circular truncated cone-shaped guide groove is formed in the extension of the compression cylinder, and the purpose of the guide groove is to enable the limiting block to be inserted into the limiting groove 51 more quickly.
17-20, the puncture needle for the laparoscope puncture outfit comprises a puncture needle rod 22 and a puncture needle sealing cover 21, wherein the puncture needle rod 22 comprises a rod body 221, a puncture conical head 223 and a puncture needle rod seat 222, the puncture needle rod seat 222 is arranged at the top of the rod body 221, and the puncture conical head 223 is arranged at the bottom of the rod body 221; the periphery of the cover body of the puncture needle sealing cover 21 is divided into two symmetrical flat surfaces 211 and two symmetrical arc surfaces 212, the flat surfaces 211 are smooth surfaces, the arc surfaces 212 are provided with convex lines 213, the design aims to take the flat surfaces 211 as holding parts for convenient grasping, the arc surfaces 212 as operating surfaces, and the convex lines 213 on the upper surfaces have an anti-skid function and are convenient for inserting and extracting the puncture needles; the positioning groove 214 is formed in the puncture needle sealing cover 21 close to the flat surface 211 side, the corresponding positioning column 225 is arranged on the puncture needle rod seat 222, the positioning column 225 is inserted into the positioning groove 214 to fixedly mount the puncture needle sealing cover 21 and the puncture needle rod seat 222, the positioning column 225 and the positioning groove 214 ensure direct insertion so as to fix the puncture needle sealing cover 21 and the puncture needle rod seat 222, the mounting position of the puncture needle sealing cover 21 on the puncture needle rod seat 222 is directly positioned, the flat surface 211 is ensured to be used as a holding part to face the hand during operation, erroneous mounting is effectively avoided, and the mounting mode is simple and convenient.
Further, the puncture needle bar 22 further comprises a limiting block 224, wherein the limiting block 224 is positioned below the puncture needle bar seat 222, and one side of the limiting block 224 is in seamless connection with the puncture needle bar seat 222; the positioning column 225 is positioned right above the limiting block 224, and the tip end in the puncture conical head 223 is positioned right below the limiting block 224; the limiting block 224 is used for limiting the mounting position of the puncture needle rod 22 in the puncture positioning guide cover 5, so that the puncture needle can be effectively prevented from rotating radially in the puncture sleeve, and the stability of the operation process is ensured; in addition, the relative positions of the positioning column 225, the puncture conical head 223 and the limiting block 224 can ensure the installation direction of the puncture needle sealing cover 21 and the installation direction of the puncture needle in the puncture sleeve, and the design ensures that the puncture outfit is very simple and accurate in installation and greatly reduces installation errors.
Further, the puncture needle bar seat 222 is disc-shaped, and the diameter of the puncture needle bar seat 222 is equal to the inner diameter of the bottom of the puncture needle sealing cover 21. The bottom of the flat surface 211 of the puncture needle sealing cover 21 is also provided with a plug-in block 215, the bottom of the arc-shaped surface 212 is also provided with a clamping groove 216, and the puncture needle rod seat 222 is provided with a plug-in groove 227 corresponding to the plug-in block 215 and a clamping block 226 corresponding to the clamping groove 216. The insertion block 215 and the clamping groove 216 are uniformly distributed on the inner circumferential surface of the puncture needle sealing cover 21. The design can further strengthen the mounting stability of the puncture needle sealing cover 21 and the puncture needle rod seat 222, and the designed connection mode is clamping connection, so that the puncture needle sealing cover is more convenient, quick, safe and environment-friendly compared with the ultrasonic welding mode in the prior art.
Further, the other side of the stopper 224 is seamlessly connected with the rod 221. The limiting block 224 is an L-shaped limiting block 224, the short side of the L-shaped limiting block 224 is in seamless connection with the puncture needle rod seat 222, and the long side of the L-shaped limiting block 224 is in seamless connection with the rod body 221. The L-shaped limiting block 224 and the puncture needle bar 22 are integrally formed, the limiting block 224 and the puncture needle bar 22 are very simple to manufacture and are very stable to connect, the puncture needle bar 22 can be effectively prevented from rotating in the radial direction in the puncture sleeve, and the puncture needle bar is not easy to be damaged by stress and has long service life.
As shown in fig. 21-22, the valve mounting mechanism for a laparoscope puncture outfit of the application comprises a puncture cannula holder 11 and an air injection valve 3, wherein the circumference of the puncture cannula holder 11 is provided with two concave parts 112, the air injection valve 3 is arranged at the outer side of one concave part 112, the air injection valve 3 comprises a valve body 32, a valve core and an air injection pipe 31, the air injection pipe 31 is connected with a mounting cylinder 111 in the concave part 112, and the included angle between the air injection pipe 31 and the mounting cylinder 111 is 65-75 degrees, namely, the air injection pipe 31 is obliquely arranged on the concave part 112, firstly, an air injection hose which can be inserted on the air injection pipe 31 is obliquely arranged, the stress angle is better, the air injection pipe 31 is not easy to slide off from the air injection pipe 31, the operation is prevented from being interrupted, secondly, the air injection pipe 31 is obliquely designed and is matched with the concave part 112, so that the air injection pipe 31 forms a semi-hidden design on the cannula holder 11, and the problem of error touching the air injection valve 3 is not easy to occur unless the air injection valve 3 is consciously operated in the use process; the valve body 32 is cylindrical and is arranged on the gas injection pipe 31 in a left-right through direction, and the left-right through of the application is relative to the up-down through direction of the puncture outfit, which is different from the valve body 32 of the gas injection valve 3 in the prior art, which is arranged on the puncture seat in a up-down through way; a valve core capable of rotating circumferentially to communicate or block the gas injection pipe 31 is arranged in the valve body 32; the puncture cannula holder 11, the valve body 32 and the gas injection tube 31 are of an integrated structure, so that the puncture cannula holder is high in strength and high in stability, has a good sealing effect in use, and is not easy to generate gas leakage or liquid leakage.
Further, the air injection pipe 31 is installed below the concave part 112, the rib plate 113 is further installed in the area between the upper side of the valve body 32 and the concave part 112, the rib plate 113 is arranged in the middle of the concave part 112, the rib plate 113, the puncture sleeve seat 11, the valve body 32 and the air injection pipe 31 are of an integrated structure, the air injection pipe can be simply realized through an injection molding technology, the design of the rib plate 113 is simple in manufacturing process, the connection strength between the air injection valve 3 and the puncture sleeve seat 11 is higher, the structural stability is better, meanwhile, the rib plate 113 also plays a role of facilitating the hand to hold at the concave part 112, the puncture device is better to hold, and finally the error touch of the air injection valve 3 can be further prevented.
Further, the valve core comprises a valve rod 33 which is arranged in the valve body 32 in a circumferential rotation way, one end of the valve rod 33 is provided with a switch handle 34 positioned at the outer side of the valve body 32, the other end is provided with an inclined cone end 332, and the purpose of the inclined cone end 332 is that the inclined cone end 332 is convenient for the valve rod 33 to be quickly arranged in the valve body 32, so that the valve core is convenient to use and saves cost; a vent hole 35 is provided in the middle of the valve stem 33, and is capable of penetrating the valve stem 33 radially. A circumferential limiting mechanism capable of limiting circumferential rotation of the valve rod 33 is arranged between the valve rod 33 and the valve body 32; the circumferential limiting mechanism comprises an arc notch 321 arranged at the end part of the valve body 32, and the valve rod 33 is provided with an arc limiting block 331 which corresponds to the arc notch 321 and can respectively abut against the end part of the arc notch 321 when the valve rod 33 rotates circumferentially. Namely, when the arc limiting block 331 abuts against one end of the arc notch 321, the vent hole 35 communicates the gas injection pipe 31 with the mounting cylinder 111, and the switch handle 34 is parallel to the gas injection pipe 31; when the arc limiting block 331 abuts against the other end of the arc notch 321, the air vent 35 blocks the air injection pipe 31 from the mounting cylinder 111, the switch handle 34 is perpendicular to the air injection pipe 31, the switch handle 34 is higher than the concave part 1-2cm of the puncture sleeve seat 11 by 1-2cm, and a corresponding operation space is reserved for the operation of the switch handle 34, so that the valve is convenient to open or close, and an anti-slip flange 341 is further arranged on the outer side wall of the switch handle 34, so that the operation is convenient.
Further, a puncture positioning guide cover is further arranged on the puncture sleeve seat 11, a limit groove is further arranged in the puncture positioning guide cover, and the limit groove is arranged on the opposite side of the air injection valve 3; the puncture positioning guide cover is provided with a puncture needle, the puncture needle comprises a puncture needle sealing cap and a puncture needle rod, both sides of the puncture needle sealing cap are also provided with concave flat surfaces, the puncture needle rod is provided with a positioning block, the positioning block is arranged in a positioning groove through installation, and the positioning flat surfaces are arranged in a vertically corresponding manner with the groove position of the puncture cannula seat 11. The purpose of this design is to ensure the holding operation of the hand in the recess 112, which is advantageous for convenience of operation.
The assembling process of the puncture outfit comprises the following steps: firstly, installing a duckbill seal valve in a second seal assembly on a puncture sleeve seat, and then integrally installing a first seal assembly above the second seal assembly to complete the assembly of the puncture sleeve; then the puncture needle rod and the puncture needle sealing cap are installed and fixed, and the puncture needle is assembled; and finally, penetrating the puncture needles from the central holes of the first sealing assembly and the second sealing assembly in sequence, and penetrating the puncture conical heads at the end parts of the puncture needle rods out of the puncture sleeve to complete the assembly process of the puncture outfit.
The puncture outfit of the application has the following using process and sealing principle: the sealing device is matched with a disposable puncture outfit, is a minimally invasive endoscopic matched surgical instrument and is suitable for establishing a surgical working channel in the laparoscopic, urinary and gynecological endoscopic and surgical processes. Firstly, a puncture cone head at the front end of a puncture needle of a disposable puncture outfit cuts a small opening in soft tissues of the abdomen of a patient, then the puncture cone head is inserted into the small opening in the soft tissues of the abdomen of the patient, the lower layer of the soft tissues is punctured by the puncture cone, the puncture cone and the bevel surface with taper at the lower part of a puncture sleeve enter the soft tissues together, the puncture cone penetrates through the soft tissues of the abdomen of the patient until reaching the middle part of the abdomen, at the moment, the puncture sleeve penetrates into the abdomen along with the puncture cone, then the puncture needle is pulled out of the puncture sleeve, a valve switch at the upper part of an air injection valve is opened, air is injected into the abdomen of the patient through an air inlet, a valve core and a valve body of the air injection valve, and the air is injected into the abdomen of the patient from the puncture sleeve.
Then the abdominal cavity surgical instrument can be inserted from the first sealing valve and the second sealing valve of the disposable puncture outfit and inserted into the abdominal cavity through the puncture cannula, and the comprehensive sealing valve of the first sealing assembly and the duckbill valve of the second sealing assembly have very good enclasping effect on the surgical instrument, so that the performance of the sealed abdominal cavity surgical instrument is good, gas injected into the abdominal cavity can not leak, and the abdominal cavity surgical instrument has multiple sealing effects. After the operation is finished, the surgical instrument is pulled out of the disposable puncture outfit, the valve switch is opened, the injected gas in the abdominal cavity of the patient is discharged from the exhaust port of the gas injection valve, and after the injected gas is discharged, the disposable puncture outfit can be pulled out of the abdominal cavity of the patient, so that the operation process is finished.
In a word, the disposable puncture outfit has reasonable design, compact structure, safe and effective use, can greatly reduce the wound area in clinical operation, greatly shorten the operation time, reduce the bleeding and postoperative infection of patients and improve the operation quality. With the first sealing valve of the application, good sealing capability can still be maintained. Can be widely applied to small puncture outfits for minimally invasive surgical operations such as laparoscopes, thoracoscopes and the like.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application, which are intended to be comprehended within the scope of the present application.
Claims (4)
1. A small laparoscopic puncture outfit, characterized by: the puncture device comprises a puncture sleeve and a puncture needle, wherein a sealing assembly is arranged in an inner cavity of the puncture sleeve, a channel for the puncture needle to puncture is arranged in the vertical center of the puncture sleeve and is marked as a puncture channel, and when the puncture device is used, the puncture needle is inserted into the puncture sleeve through the puncture channel and extends out from the tail end of the puncture sleeve; the puncture cannula further comprises a puncture cannula body and a puncture positioning guide cover, the puncture cannula body comprises a puncture cannula seat and a cannula, the puncture positioning guide cover is arranged above the puncture cannula seat, and the cannula is arranged below the puncture cannula seat; an air injection valve is arranged on the side wall of the puncture sleeve seat and is integrated with the puncture sleeve seat;
the sealing assembly is arranged in an inner cavity formed between the puncture positioning guide cover and the puncture sleeve seat, and comprises a first sealing valve, a second sealing valve and a sealing cover, wherein the second sealing valve is correspondingly connected with an installation cylinder in the puncture sleeve seat, the first sealing valve is arranged above the second sealing valve, the sealing cover is arranged above the first sealing valve, the puncture positioning guide cover is arranged above the sealing cover, and the puncture positioning guide cover is connected with the puncture sleeve seat to tightly press the sealing assembly in the puncture positioning guide cover;
the first sealing valve is a cup sealing valve made of elastic materials, the second sealing valve is a duckbill valve made of elastic materials, a mounting ring is arranged above the duckbill valve, a second groove correspondingly connected with a mounting cylinder in the puncture sleeve seat is arranged below the mounting ring, the cup bottom of the cup sealing valve is in seamless connection with the upper bottom surface of the mounting ring, the side wall of the cup sealing valve is embedded and mounted in the first groove below the sealing cover, and the side wall of the cup sealing valve is limited by the groove of the sealing cover; the cup body sealing valve is made of hard plastic; the side wall at the outer side of the second groove corresponds to the side wall of the cup body sealing valve in position and is equal in width;
the side wall of the cup body sealing valve is vertically connected with the cup bottom, a puncture needle hole is formed in the center of the cup bottom of the cup body sealing valve, a fold part is further arranged on the lower bottom surface of the cup bottom, the opening direction of folds in the fold part is opposite to the opening direction of the cup body sealing valve, and the outer bottom surface of the cup bottom between the fold part and the puncture needle hole is an inclined surface; the ratio of the height of the folds in the fold part to the height of the bottom surface of the cup bottom is 1:2-4;
the specific connection mechanism of the puncture positioning guide cover and the puncture sleeve seat is as follows: the puncture cannula seat is provided with a first locking groove, the puncture positioning guide cover is provided with a corresponding first locking boss, one side edge of the first locking groove is provided with a locking spring plate, and after the first locking boss slides into the first locking groove through rotating the locking spring plate downwards, the locking spring plate springs up to clamp the first locking boss in the first locking groove;
the first locking groove is an L-shaped hollow groove and is formed in a seat edge at the upper part of the puncture sleeve seat, wherein the short side part of the L-shaped hollow groove is positioned at the side edge of the locking elastic piece and is used as a clamping part of the first locking boss, and the long side part of the L-shaped hollow groove is positioned below the locking elastic piece to provide a pressing space for the locking elastic piece;
the upper seat edge wall of the puncture sleeve seat is also provided with a second locking groove, the puncture positioning guide cover is provided with a corresponding second locking boss, and the second locking boss is clamped and fixed by rotating and sliding into the second locking groove; the second locking groove is an L-shaped groove, the opening end of the L-shaped groove faces upwards, and the closed end faces the circumferential direction of the seat edge on the upper part of the puncture sleeve seat.
2. A small laparoscopic puncture device according to claim 1, characterized in that: the puncture needle comprises a puncture needle rod and a puncture needle sealing cover, the puncture needle rod comprises a rod body, a puncture conical head and a puncture needle rod seat, the puncture needle rod seat is arranged at the top of the rod body, and the puncture conical head is arranged at the bottom of the rod body; the periphery of the cover body of the puncture needle sealing cover is divided into two symmetrical flat surfaces and two symmetrical arc surfaces, the flat surfaces are smooth surfaces, and the arc surfaces are provided with convex lines; a positioning groove is arranged in the puncture needle sealing cover close to the flat surface side, a corresponding positioning column is arranged on the puncture needle rod seat, and the positioning column is inserted into the positioning groove to fixedly install the puncture needle sealing cover and the puncture needle rod seat.
3. A small laparoscopic puncture device according to claim 2, characterized in that: the puncture needle rod is further provided with a limiting block, the puncture positioning guide cover is provided with a limiting groove corresponding to the limiting block, and the limiting block is embedded into the limiting groove to form a limiting mechanism.
4. A small laparoscopic puncture device according to claim 1, characterized in that: the circumference of the puncture sleeve seat is provided with two concave parts, the outer side of one concave part is provided with an air injection valve, the air injection valve comprises a valve body, a valve core and an air injection pipe, the air injection pipe is connected with a mounting cylinder in the concave part, and the included angle between the air injection pipe and the mounting cylinder is 65-75 degrees; the valve body is cylindrical and is arranged on the gas injection pipe in a left-right through direction; a valve core capable of rotating circumferentially to communicate or block the gas injection pipe is arranged in the valve body; the puncture cannula seat, the valve body and the gas injection pipe are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202024.3A CN108272493B (en) | 2018-03-12 | 2018-03-12 | Small-sized laparoscope puncture outfit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202024.3A CN108272493B (en) | 2018-03-12 | 2018-03-12 | Small-sized laparoscope puncture outfit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108272493A CN108272493A (en) | 2018-07-13 |
| CN108272493B true CN108272493B (en) | 2023-09-12 |
Family
ID=62809595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810202024.3A Active CN108272493B (en) | 2018-03-12 | 2018-03-12 | Small-sized laparoscope puncture outfit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108272493B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316227A (en) * | 2018-10-15 | 2019-02-12 | 洛阳市中心医院（郑州大学附属洛阳中心医院） | Puncture outfit for dilation fetching object for endoscope |
| CN111904557B (en) * | 2020-09-04 | 2021-05-14 | 南通市肿瘤医院 | Puncture instrument for abdominal cavity operation |
| CN112656359B (en) * | 2020-12-17 | 2022-02-08 | 上海宇度医学科技股份有限公司 | Channel sealing valve, channel sealing mechanism and all-round hysteroscope |
| CN113303887A (en) * | 2021-06-03 | 2021-08-27 | 江苏人冠医疗科技有限公司 | Eccentric puncture outfit |
| CN113907853B (en) * | 2021-09-24 | 2023-02-28 | 郑州大学第一附属医院 | Enterogastric surgery abdominal cavity operation puncture device |
| CN114886523A (en) * | 2022-05-18 | 2022-08-12 | 福州大学 | Abdominal cavity puncture needle sleeve device |
| CN117414182A (en) * | 2022-11-23 | 2024-01-19 | 杭州康基医疗器械有限公司 | Saccule puncture outfit with wire clamping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843518A (en) * | 2010-06-07 | 2010-09-29 | 常州威克医疗器械有限公司 | Disposable puncture device |
| CN103892892A (en) * | 2014-03-01 | 2014-07-02 | 杭州康基医疗器械有限公司 | Improved puncture outfit |
| CN104068921A (en) * | 2014-06-26 | 2014-10-01 | 浙江天松医疗器械股份有限公司 | Puncture outfit |
| CN203953763U (en) * | 2014-07-15 | 2014-11-26 | 山东威瑞外科医用制品有限公司 | A kind of microtrauma puncture device |
| CN105559860A (en) * | 2016-03-14 | 2016-05-11 | 无锡市瑞源普斯医疗器械有限公司 | Disposable puncture outfit |
| CN208910409U (en) * | 2018-03-12 | 2019-05-31 | 泊诺(天津)创新医药研究有限公司 | A kind of small-sized laparoscope puncture outfit |
-
2018
- 2018-03-12 CN CN201810202024.3A patent/CN108272493B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843518A (en) * | 2010-06-07 | 2010-09-29 | 常州威克医疗器械有限公司 | Disposable puncture device |
| CN103892892A (en) * | 2014-03-01 | 2014-07-02 | 杭州康基医疗器械有限公司 | Improved puncture outfit |
| CN104068921A (en) * | 2014-06-26 | 2014-10-01 | 浙江天松医疗器械股份有限公司 | Puncture outfit |
| CN203953763U (en) * | 2014-07-15 | 2014-11-26 | 山东威瑞外科医用制品有限公司 | A kind of microtrauma puncture device |
| CN105559860A (en) * | 2016-03-14 | 2016-05-11 | 无锡市瑞源普斯医疗器械有限公司 | Disposable puncture outfit |
| CN208910409U (en) * | 2018-03-12 | 2019-05-31 | 泊诺(天津)创新医药研究有限公司 | A kind of small-sized laparoscope puncture outfit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108272493A (en) | 2018-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108272493B (en) | Small-sized laparoscope puncture outfit device | |
| CN108261231B (en) | Puncture sleeve device of small-sized laparoscope puncture outfit | |
| CN107205756B (en) | Cannula seal | |
| US7691089B2 (en) | Adjustable trocar washer | |
| CN107095707B (en) | Puncture outfit sleeve assembly with air bag | |
| US20200107859A1 (en) | Cannula comprising movable & inflatable balloon | |
| CA2640397A1 (en) | Surgical portal kit for use in single incision surgery | |
| CN107115136B (en) | Abdominal cavity puncture outfit | |
| CN108294812B (en) | Laparoscope puncture outfit device | |
| CN208610903U (en) | A kind of seal assembly for Mini-type puncture outfit | |
| EP2238929B1 (en) | Surgical portal apparatus with expandable cannula | |
| CN108309412B (en) | Puncture sleeve device for laparoscopic puncture outfit | |
| CN109259826B (en) | Puncture outfit with high sealing performance | |
| CN107049382B (en) | Flexible-rotation reliable-sealing assembly for abdominal cavity puncture outfit | |
| CN208910409U (en) | A kind of small-sized laparoscope puncture outfit | |
| CN210784452U (en) | High-flexibility centralized single-hole multi-channel operation puncture outfit | |
| CN111012451A (en) | Puncture cannula | |
| CN208942309U (en) | A kind of puncture cannula of small-sized laparoscope puncture outfit | |
| US20200323556A1 (en) | Balloon trocar including a pin | |
| CN209220438U (en) | A kind of locking switching mechanism for laparoscope puncture outfit casing seat | |
| CN208610948U (en) | A kind of puncture cannula for laparoscope puncture outfit | |
| CN208892730U (en) | A kind of the first sealing valve for Mini-type puncture outfit | |
| US20200214740A1 (en) | Seals for surgical access devices | |
| CN208610949U (en) | A kind of bindiny mechanism between puncture cannula seat and Needle localization guide cover | |
| CN107041778B (en) | Casing assembly with movable swelling deformation body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190508 Address after: 300 000 Tianjin Binhai New Area Free Trade Test Zone (East Xinjiang Bonded Port Area) 399 Ordos Road East Xinjiang Business Center A3 Building 903 (Tianjin East Xinjiang Business Service Secretary Service Co., Ltd. Free Trade Distribution Company Trusteeship No. 255) Applicant after: PONUO (TIANJIN) INNOVATIVE MEDICINE RESEARCH Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Free Trade Test Zone (Airport Economic Zone) Pilot Road 16 Applicant before: TIANJIN GREENPINE CHINESE MEDICINE PHARMACEUTICAL CO.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230511 Address after: Room 301, Building 7, No. 188 Fuchunjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215163 Applicant after: Janiken (Suzhou) Medical Equipment Co.,Ltd. Address before: 300 000 Tianjin Binhai New Area Free Trade Test Zone (East Xinjiang Bonded Port Area) 399 Ordos Road East Xinjiang Business Center A3 Building 903 (Tianjin East Xinjiang Business Service Secretary Service Co., Ltd. Free Trade Distribution Company Trusteeship No. 255) Applicant before: PONUO (TIANJIN) INNOVATIVE MEDICINE RESEARCH Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |