CN108261231A - A kind of puncture cannula device of small-sized laparoscope puncture outfit - Google Patents
A kind of puncture cannula device of small-sized laparoscope puncture outfit Download PDFInfo
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- CN108261231A CN108261231A CN201810202028.1A CN201810202028A CN108261231A CN 108261231 A CN108261231 A CN 108261231A CN 201810202028 A CN201810202028 A CN 201810202028A CN 108261231 A CN108261231 A CN 108261231A
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- puncture cannula
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- 238000007789 sealing Methods 0.000 claims abstract description 130
- 238000002347 injection Methods 0.000 claims abstract description 66
- 239000007924 injection Substances 0.000 claims abstract description 66
- 230000004807 localization Effects 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000013013 elastic material Substances 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 23
- 238000013461 design Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 3
- 210000000683 abdominal cavity Anatomy 0.000 description 21
- 238000010586 diagram Methods 0.000 description 15
- 210000004872 soft tissue Anatomy 0.000 description 10
- 238000001356 surgical procedure Methods 0.000 description 9
- 241001149930 Protura <class> Species 0.000 description 8
- 210000001015 abdomen Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000003187 abdominal effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007912 intraperitoneal administration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 208000005646 Pneumoperitoneum Diseases 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 241001631457 Cannula Species 0.000 description 1
- 241000405070 Percophidae Species 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—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
- A61B17/00234—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
- A61B17/3474—Insufflating needles, e.g. Veress needles
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of puncture cannula device of small-sized laparoscope puncture outfit, the interior intracavitary of puncture cannula is equipped with seal assembly, and puncture cannula is equipped with the channel worn for puncture needle on vertical center；Gas injection valve on the side wall of puncture cannula seat is installed and gas injection valve is integrated with puncture cannula setting.Puncture cannula further includes puncture cannula seat and Needle localization guide cover, seal assembly can be fixedly secured the interior intracavitary formed therebetween by bindiny mechanism between the two, seal assembly includes the first sealing valve, the second sealing valve and seal closure using multi-stage sealed device, and sealing effect is good；Position limiting structure is equipped between Needle localization guide cover and puncture needle, puncture needle can be effectively prevent to shake, using being integrally formed between gas injection valve and puncture cannula seat, mounting stability is strong, is not likely to produce gas leakage or the phenomenon of leakage.The present invention puncture outfit be specific to specification be 5mm puncture outfit design, have it is easy for installation, sealing effect is good, it is safe and reliable the advantages of.
Description
Technical field
The invention belongs to the field of medical instrument technology, are related to a kind of puncture cannula device of small-sized laparoscope puncture outfit.
Background technology
In the operation of minimally invasive medical-therapeutic treatment of human body, once finding illness in body, need to perform the operation or cut off, in surgical procedure
In, it is necessary first to application is puncture outfit, and puncture outfit is a kind of puncture stomach wall and enters lumenal passageway for other surgical instruments
Surgical instrument belongs to a kind of Minimally Invasive Surgery instrument.Puncture outfit generally includes the sleeve group for entering channel as other surgical instruments
Part and through the puncturing lever in the sleeve assembly.First, in order to penetrate skin, skin epidermis first is cut with scalpel, so
Skin is penetrated using puncturing lever afterwards and enter body cavity together with sleeve assembly, then extract puncturing lever, sleeve assembly out
As introducing intraperitoneal by various instruments and tool and providing the channel that aeration room stomach wall is increased to above organ, in order to prevent
Various instruments and tool are inserted into intraperitoneal gas leakage during abdominal cavity in surgical procedure, need to set sealing group in sleeve assembly
Part, common seal assembly generally comprise mounting base, and the distribution of several braided is equipped in mounting base or circumferential misalignment superposition is set
The gasket put, instrument passes through the seal assembly center being made of multiple gaskets during use, so as to have the function that sealing.But
It is that there are seal assembly sealing effect is poor, puncture shank easily shakes, the easy gas leakage of gas injection valve for present puncture outfit trocar sleeve
Etc. using effects it is bad the problem of.
Therefore, the using effect of puncture outfit how is improved, while ensures that the fluency of apparatus work process is to need at present
The technical issues of solution.
Invention content
The technical problems to be solved by the invention are in view of the deficiencies of the prior art, to provide a kind of small-sized laparoscope and puncture
Device.The puncture outfit of the present invention is specific to what the Mini-type puncture outfit that specification is 5mm designed, has easy for installation, sealing effect
Well, the advantages of safe and reliable.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of puncture cannula device of small-sized laparoscope puncture outfit, the puncture cannula further include puncture cannula body, Needle localization
Guide cover and seal assembly, the seal assembly are interior mounted on being formed between the Needle localization guide cover and puncture cannula seat
Intracavitary, the puncture cannula body include puncture cannula seat and casing, and the Needle localization guide cover is mounted on puncture cannula seat
Top, described sleeve pipe are mounted on the lower section of puncture cannula seat；Be equipped on the side wall of puncture cannula seat gas injection valve and gas injection valve with
Puncture cannula setting is integrated.
Further, the seal assembly includes the first sealing valve, the second sealing valve and seal closure, and described second is close
Envelope valve is correspondingly connected with the mounting cylinder in puncture outfit pedestal, and the first sealing valve, the first sealing are equipped with above the second sealing valve
Seal closure is installed, the top of seal closure is Needle localization guide cover, Needle localization guide cover and puncture cannula seat above valve
Connection compresses the seal assembly in it.
Further, first sealing valve is the cup body sealing valve made of elastic material, and second sealing valve is
Duckbill valve made of elastic material, the top of the duckbill valve is mounting ring, and the lower section of the mounting ring is equipped with and puncture outfit bottom
The second groove that mounting cylinder in seat is correspondingly connected with, the bottom of a cup of the cup body sealing valve and the upper bottom surface of mounting ring are seamlessly connected,
The side wall insertion of the cup body sealing valve is mounted in the first groove below seal closure, side wall on the outside of second groove with
The sidewall locations of cup body sealing valve correspond to, and width is equal.
Further, the side wall of the cup body sealing valve and bottom of a cup vertical connection, the bottom of a cup center of the cup body sealing valve
Puncture hole is provided with, is additionally provided with pleated portions on the bottom surface of the bottom of a cup, the opening direction and cup body of fold in the pleated portions
The opening direction direction of sealing valve is on the contrary, the bottom of a cup outer bottom between the pleated portions and puncture hole is inclined-plane.
Further, the specific bindiny mechanism of the Needle localization guide cover and puncture cannula seat is：The puncture cannula
Seat is equipped with the first locking slot, and the Needle localization guide cover is equipped with corresponding first locking boss, first locking slot
A side for locking shrapnel, the first locking boss by rotation force down locking shrapnel slip into the first locking slot after, lock
Tight shrapnel, which bounces, is clamped on the first locking boss in the first locking slot.
Further, first locking slot is L-type hollow slots, is opened in the seat on puncture cannula seat top along upper, wherein L
The short side part of type hollow slots is located at the side of locking shrapnel, as the card-tight part of the first locking boss, the long side of L-type hollow slots
Part is located at the lower section of locking shrapnel, and depression space is provided for locking shrapnel.
Further, the seat on the puncture cannula seat top is further opened with the second locking slot, the Needle localization along wall
Guide cover is equipped with corresponding second locking boss, and the second locking boss slips into clamping in the second locking slot by rotation and consolidates
It is fixed；Second locking slot is L-type groove, and upward, blind end is towards puncture cannula seat top for the openend of the L-type groove
The circumferential direction on seat edge.
Further, limited block is additionally provided on the puncture shank of puncture needle, the Needle localization guide cover is equipped with and limiting
The corresponding limiting slot of block, the limited block are embedded in the limiting slot, form position-limit mechanism.
Further, it is described including puncture cannula seat and gas injection valve, there are two recess on the circumferential surface of the puncture cannula seat
Portion, gas injection valve is equipped on the outside of one of recessed portion, and the gas injection valve includes valve body, spool and air injection pipe, the gas injection
Pipe is connect, and the angle between air injection pipe and mounting cylinder is 65-75 degree with the mounting cylinder in recessed portion；The valve body is cylinder
Shape, be in left and right perforation direction be mounted on air injection pipe on；Being equipped in valve body can circumferentially rotate that air injection pipe is connected or hindered
Disconnected spool；The puncture cannula seat, valve body and air injection pipe are an integral structure.
Operation principle：
The sealing device of the present invention is matched with disposable puncture device, is that a kind of minimally invasive hysteroscope instrument is suitable for abdomen
Surgical work channel use is established in chamber, uropoiesis, Gynaecological inspection and surgical procedure, first in patients abdomen soft tissue small notch
In, the puncture awl of the puncture awl front end of disposable puncture device is inserted into patients abdomen soft tissue small notch, with puncture bore spine
Broken soft tissue lower floor enters soft tissue together with the scarf of puncture cannula lower bands taper, and patient abdominal cavity is passed through in puncture awl
Soft tissue is reached as puncture awl penetrates abdominal cavity in the middle part of puncture cannula up to abdominal cavity, at this time puncture cannula, due to the second sealing valve
Lower part is equipped with duckbilled valve body, and duckbilled valve body lower portion is equipped with air admission hole, plays the role of one-way sealing, when puncture awl is from puncture cannula
It transfers to, opens the valve switch on gas injection valve top, gas injects disease by gas injection valve air inlet, spool, valve body from puncture cannula
In people abdominal cavity, heave patient abdominal cavity, close valve, abdominal operation instrument can from the first sealing valve of disposable puncture device,
It is inserted into second sealing valve and is inserted into abdominal cavity by puncture cannula, it is multiple due to being provided with the second sealing valve, the first sealing valve
Sealing, sealing abdominal operation instrument performance is good, and injecting gas in abdominal cavity will not leak, by surgical instrument from primary after operation
Property puncture outfit in extract, open valve switch, by patient abdominal cavity inject gas from gas injection valve exhaust outlet excrete, wait to note
After entering gas discharge, you can transfer to disposable puncture device from patients abdomen.
Advantageous effect
Seal assembly in the puncture cannula of the present invention is reliable using multiple-sealed device sealing performance, especially the first sealing valve
Design dynamic sealing effect in surgical procedure, the gas being injected by puncture outfit gas injection valve in abdominal cavity can be effectively ensured
It does not leak out and in surgical procedure, it is safe and reliable so as to ensure that abdominal operation is normally carried out.
The connection structure between Needle localization guide cover and puncture cannula seat in the puncture cannula of the present invention, you can effectively
Seal assembly is compressed, and it is possible to prevente effectively from accidentally touch, Needle localization guide cover whiz is gone out into puncture cannula seat, more ensures to puncture
Device uses the safety of process.
Position-limit mechanism is additionally provided between Needle localization guide cover and puncture needle in the puncture cannula of the present invention, prevents from threading a needle
Needle shakes in surgical procedure, ensures operation safety.
Mounting structure for valve in the puncture cannula of the present invention uses between gas injection valve and puncture cannula seat to be integrally formed,
Mounting stability is strong so that sealing effect is good during use, is not likely to produce gas leakage or the phenomenon of leakage.
Description of the drawings
Fig. 1 is the overall structure diagram of the Mini-type puncture outfit of the present invention；
Fig. 2 is the cross-sectional view of the Mini-type puncture outfit of the present invention；
Fig. 3 is the configuration schematic diagram of the Mini-type puncture outfit of the present invention；
Fig. 4 is the structure diagram of the puncture cannula of the Mini-type puncture outfit of the present invention；
Fig. 5 is the configuration schematic diagram of the puncture cannula of the Mini-type puncture outfit of the present invention；
Fig. 6 is the puncture cannula seat interior profile structure diagram of the Mini-type puncture outfit of the present invention；
Fig. 7 is the cross-sectional view of the seal assembly of the Mini-type puncture outfit of the present invention；
Fig. 8 is the configuration schematic diagram of the seal assembly of the Mini-type puncture outfit of the present invention；
Fig. 9 is the overall structure diagram of the first sealing valve of the Mini-type puncture outfit of the present invention；
Figure 10 is the positive cross-sectional view of the first sealing valve of the Mini-type puncture outfit of the present invention；
Figure 11 is the reversed profile structure diagram of the first sealing valve of the Mini-type puncture outfit of the present invention；
Figure 12 is the cross-sectional view of the second sealing valve of the Mini-type puncture outfit of the present invention；
Figure 13 is the positive structure schematic of the puncture cannula seat of the Mini-type puncture outfit of the present invention；
Figure 14 is the inner face structure diagram of the Needle localization guide cover of the Mini-type puncture outfit of the present invention；
Figure 15 is the positive structure schematic of the Needle localization guide cover of the Mini-type puncture outfit of the present invention；
Figure 16 is the reverse structure schematic of the puncture cannula seat of the Mini-type puncture outfit of the present invention；
Figure 17 is the structure diagram of the puncture needle of the Mini-type puncture outfit of the present invention；
Figure 18 is the puncture shank of the Mini-type puncture outfit of the present invention and the connection structure enlarged diagram of puncture needle seal cap；
Figure 19 is the structure enlargement diagram of the puncture needle bar frame of the Mini-type puncture outfit of the present invention；
Figure 20 is the structure enlargement diagram of the puncture needle seal cap of the Mini-type puncture outfit of the present invention；
Figure 21 is the structure diagram of the gas injection valve of the Mini-type puncture outfit of the present invention；
Figure 22 is the stem structure schematic diagram of the gas injection valve of the Mini-type puncture outfit of the present invention；
Wherein, 1- puncture cannulas body, 11- puncture cannula seats, 111- mounting cylinders, 112- recessed portions, 113- floors, 114- first lock
Tight slot, 115- locking shrapnels, the second locking slots of 116-, 12- casings, 2- puncture needles, 21- puncture needle sealing covers, 211- flat horizontal surfaces,
212- arcwall faces, 213- burrs, 214- locating slots, 215- grafting blocks, 216- buckling grooves, 22- puncture shanks, the 221- bodies of rod,
222- punctures needle bar frame, and 223- punctures conehead, 224- limited blocks, 225- positioning columns, 226- clamping blocks, 227- inserting grooves, 3- notes
Air valve, 31- air injection pipes, 32- valve bodies, 321- arc notch, 33- valve rods, 331- arc-shaped limit blocks, 332- tapering points, 34- are opened
Guan Bing, 341- slip preventing fringe, 35- ventholes, 4- seal assemblies, the first sealing valves of 41- (cup body sealing valve), 411- bottom of a cup,
412- cup body sealing valve side walls, 413- pleated portions, 414- puncture holes, 415- guide channels, the second sealing valves of 42-, 421- installations
Ring, the second grooves of 422-, 43- seal closures, 5- Needle localization guide covers, 51- limiting slots, 52- clamping cylinders, the first lockings of 53- are convex
Platform, 54- the second locking boss, 55- supporting tables, 56- petal slots.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
The connection of two components interiors.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
As shown in figures 1-6, be the present invention Mini-type puncture outfit, including puncture cannula and puncture needle, puncture cannula it is interior
Intracavitary is equipped with seal assembly 4, and puncture cannula is equipped with the channel worn for puncture needle on vertical center, is denoted as puncture channel,
In use, puncture needle 2 passes through puncture channel to be inserted into puncture cannula and stretched out from the tail end of puncture cannula；The side of puncture cannula seat
Gas injection valve 3 on wall is installed and gas injection valve 3 is integrated with puncture cannula setting, will pass through puncture outfit to internal gas supply, is kept
The presence of pneumoperitoneum.
Puncture cannula further includes puncture cannula body 1 and Needle localization guide cover 5, and puncture cannula body 1 includes puncture cannula seat
11 and casing 12, Needle localization guide cover 5 is mounted on the top of puncture cannula seat 11, and casing 12 is mounted on puncture cannula seat 11
Lower section；The outer wall of casing 12 is equipped with casing annular line, is to increase the friction of casing and stomach wall by the purpose for setting annular line
Power avoids being extruded abdomen in abdominal cavity gas pressure effect setting of casing, influences operation and carry out.
It is that the seal assembly 4 of the present invention is mounted on Needle localization guide cover 5 and puncture cannula seat 11 as shown in attached drawing 7-8
Between the interior intracavitary that is formed, seal assembly 4 includes the first sealing valve（Cup body sealing valve）41st, the second sealing valve 42 and seal closure
43, the second sealing valve 42 is correspondingly connected with the mounting cylinder 111 in puncture outfit pedestal, and the top of the second sealing valve 42 is equipped with first
Sealing valve 41, the top of the first sealing valve 41 are equipped with seal closure 43, and the top of seal closure 43 is Needle localization guide cover 5, is worn
Thorn positioning and guiding lid 5 connect the seal assembly compressed in it with puncture cannula seat 11.First sealing valve 41 is by elastic material system
Into cup body sealing valve, the second sealing valve 42 is duckbill valve made of elastic material, and the top of duckbill valve is mounting ring 421, cup
In first groove 431 of 43 lower section of side wall embedding sealing cover of body sealing valve 41, bottom of a cup portion and the mounting ring 421 of cup body sealing valve
Upper bottom surface be seamlessly connected, upper bottom surface and the clamping cylinder 52 in Needle localization guide cover 5 of seal closure 43 be in close contact, and cup body is close
The side wall 412 of envelope valve is correspondingly connected with the groove in seal closure 43.
Installation between seal assembly and puncture cannula seat in the present invention uses the fit system of snap-fit, connection
Stable and firm, without welding manner of the prior art etc., technique is simpler, is also more energy-saving and environmentally friendly.
In addition, the groove of seal closure 43 of the present invention limits the side wall of cup body sealing valve in it, cup body sealing valve can
Mobile degree is small, and the seal closure 43 in the present invention functions as a gasket for increasing lubrication, prevents upper cover 5 in rotation lock
There is big friction between the first sealing valve 41 when tight, cause 41 Radial resistant force of the first sealing valve excessive and deform, ensure
Choke effect.In addition, cup body sealing valve is made of rigid plastics, hard protection is protected for flexible cup body sealing valve
Shell avoids cup body sealing valve from being deformed, influences sealing effect.
As shown in figure 12, the lower section of mounting ring 421 is equipped with the be correspondingly connected with the mounting cylinder 111 in puncture outfit pedestal 11
Two grooves 422, the side wall in 422 outside of the second groove is corresponding with the sidewall locations of cup body sealing valve 41, and width is equal；The two position
Correspondence can make sealing effect more preferable.
As shown in figs. 9-11, it is the first sealing valve 41 of the present invention, the first sealing valve 41 is the cup made of elastic material
Body sealing valve, 411 center of bottom of a cup of the cup body sealing valve are provided with puncture hole 414, fold are additionally provided on the bottom surface of bottom of a cup 411
Portion 413, the opening direction of fold is opposite with the opening direction direction of cup body sealing valve 41 in pleated portions 413.The first of the present invention
Sealing valve is specially adapted for the surgical instrument of 5mm, and a diameter of 4.7-4.9mm of puncture hole is inserted into when surgical instrument and punctures
After pin hole, the level of stretch increase of the bottom of a cup bottom surface between pleated portions and puncture hole so that the aperture of puncture hole adapts to expand
, can be close to surgical instrument so as to form interference connection, meanwhile, bottom of a cup bottom surface between pleated portions and puncture hole it is oblique
Face structure design can also make the air in puncture outfit casing tube pedestal oppress inclined-plane holding surgical instrument, form self sealing structure,
Further enhance puncture hole and the sealing effect of surgical instrument；Meanwhile when surgical instrument is shaken, the pleated portions of bottom of a cup can
With deformation, and puncture hole can be close to surgical instrument and gas leakage not occur, so as to maintain relatively good dynamic sealing effect.
The height ratio of the height of fold and 411 bottom surface of bottom of a cup is 1 in pleated portions 413:2-4, pleat in preferred pleated portions 413
The height of wrinkle is 1 with the height ratio of bottom of a cup bottom surface:3.Pleated portions are not that the purpose for occupying entire bottom of a cup bottom surface is worn to control
The level of stretch of bottom of a cup bottom surface between pricker hole and pleated portions and puncture hole, prevents deformation extent excessive, damages sealing element,
Influence service life.
The opening direction of the fold purpose opposite with the opening direction direction of cup body sealing valve 41 is in setting pleated portions 413
The fold inclined-plane of the direction has the function of compression cup body bottom surface under the gas effect in puncture cannula seat, makes cup body sealing valve
41 is closer with the contact of seal closure 43, and sealing effect is more preferable.The outer of pleated portions is corresponding with the inner wall of the mounting ring, ensures
Surgical instrument is in the flexibility dynamically used.
The guide channel 415 of truncated cone-shaped is provided on the bottom of a cup inner bottom surface of 414 extension of puncture hole.The mesh of guide channel 415 is set
Be guiding surgical instrument rapidly enter puncture hole, be on the other hand to be more than the corresponding section thickness in place of guide channel
The section thickness of puncture hole can prevent puncture hole from turning up when surgical instrument is extracted out.The center of seal closure is provided with and leads
The corresponding through-hole of approaching channel upper bottom surface, the i.e. bottom surface of the first sealing valve are supported by the bottom surface of seal closure, when extracting surgical instrument out
The puncture hole of the first sealing valve can further be prevented to turn up.
Pleated portions 413 include 2 shape identical corrugations.When fold number in pleated portions 413 is 2, that is, it can guarantee
Puncture hole generates certain elastic deformation, and can effectively control deformation degree, and using effect is best.
The diameter ratio of length of the pleated portions 413 away from puncture needle hole wall and puncture hole 414 is 3:4-5.Pleated portions are away from puncture
The length needs of pin hole wall are well-designed, if length of the pleated portions away from puncture needle hole wall is excessive, influences surgical instrument and puncturing
Using flexible degree in pin hole；If length of the pleated portions away from puncture needle hole wall is too small, the deformation extent of puncture hole is small, is unfavorable for
Sealing.
The elastic material for preparing the first sealing valve and the second sealing valve is flexible medical rubber.Including but not limited to：It is medical
Silica gel, medical grade rubber, medical polyurethane, medical latex and combination thereof, seal closure are made of rigid plastics, including but not
It is limited to：pp.
The side wall 412 of cup body sealing valve and 411 vertical connection of bottom of a cup, the sidewall width of cup body sealing valve is bottom of a cup width
3-5 times.The sidewall width of cup body sealing valve is set to be much larger than bottom of a cup width, is the intensity in order to ensure cup body sealing valve side wall,
It is made to be not likely to produce deformation in the groove of sealing cover.Dislocation is not easily led under external force, cup sidewalls are not easy with cup body
Tear, smooth into outlet, the extraction moment of puncturing lever takes little effort, and extraction difficulty is small.
It is the bindiny mechanism between puncture cannula seat and Needle localization guide cover as shown in attached drawing 13-16, is covered including puncturing
Tube socket 11 and the Needle localization guide cover 5 being installed on it, puncture cannula seat 11 are equipped with the first locking slot 114, and Needle localization is led
Corresponding first locking boss 53 is equipped with to lid 5, a side of the first locking slot 114 is locking shrapnel 115, and the first locking is convex
Platform 53 is forced down by rotation after locking shrapnel 115 slipped into the first locking slot 114, and locking shrapnel 115 bounces the first locking is convex
Platform 53 is clamped in the first locking slot 114.First locking slot 114 is specially L-type hollow slots, is opened in 11 top of puncture cannula seat
Seat along upper, wherein the short side part of L-type hollow slots is located at the side of locking shrapnel 115, the card as the first locking boss 53
Tight portion, the long side part of L-type hollow slots are located at the lower section of locking shrapnel 115, and space is provided for forcing down for shrapnel 115 of locking.This
Locking shrapnel 115 in application uses medical plastic（pp）It is made, the cooperation with L-type hollow slots below, has centainly
Deformability, in Needle localization guide cover 5 when being mounted on puncture cannula seat 11, the first locking boss 53 rotates extruding first
The long leg partial pressure for locking bullet towards L-type hollow slots is low, and the first locking boss 53 is allow to enter the short side part of L-type hollow slots,
The pico- rebound upwards of locking shrapnel 115 of extruding is released at this time, so as to which the first locking boss 53 is clamped on the first locking slot 114
It is interior.The special designing of shrapnel 115 is locked in the application, the first locking boss 53 is made just can not after screwing in the first locking slot 114
It reversely rotates, it is possible to prevente effectively from accidentally touching the operation that 5 whiz of Needle localization guide cover is gone out to puncture cannula seat 11, more ensures to wear
Pierce the safety that device uses process.
Further, the both ends height of locking shrapnel 115 is different, wherein the locking shrapnel of 53 side of the first locking of clamping boss
115 height are more than 115 height of locking shrapnel of offside.The design makes the snap action of locking shrapnel 115 more preferable.
Further, the seat on 11 top of puncture cannula seat is further opened with the second locking slot 116 along wall, and Needle localization is oriented to
Lid 5 is equipped with corresponding second locking boss 54, and the second locking boss 54 slips into clamping in the second locking slot 116 by rotation and consolidates
It is fixed.Second locking slot 116 is L-type groove, and upward, blind end is towards the seat on 11 top of puncture cannula seat for the openend of L-type groove
The circumferential direction on edge.The design of the second locking slot 116 and the first locking slot 114 in the application allows the two to cooperate,
After the second locking platform is locked at the second locking slot 116, the first locking platform is just locked in the first locking slot 114, and ensures to wear
Thorn positioning and guiding lid 5 can not reversely rotate, so as to which the second locking platform 54 be avoided to be screwed out out of second locking slot 116, and the second lock
Tight slot 116 can realize axial restraint, it is ensured that Needle localization guide cover 5 can not under the hyperbar in puncture cannula seat 11
It is collapsed out from puncture cannula seat 11.Therefore, the two level locking device of the application can further ensure that Needle localization guide cover 5 exists
The mounting stability of puncture cannula seat 11 and the sealing effect of puncture outfit.
Further, the number of the second locking slot 116 is two, and two the second locking slots 116 are evenly distributed on puncture cannula
Seat 11 tops seat circumferentially on.In two the second locking slots 116, one of them second locking slot 116 and the first locking slot 114
Close to, and 114 side of blind end the first locking slot of direction of second locking slot 116.This locking mode avoids common super
Sound wave welds and adhesive means, so as to simplify assembling, reduces production cost.
Further, the center of Needle localization guide cover 5 is equipped with clamping cylinder 52, and the outside of clamping cylinder 52 is uniformly provided with 4 branch
Platform is supportted, setting supporting table ensures the intensity of Needle localization guide cover 5, be unlikely to deform that one of supporting table is equipped with and first
114 corresponding first locking boss 53 of locking slot, the first locking boss 53 are L-type locking boss.
Further, the outer wall of Needle localization guide cover 5 is equipped with petal slot 56, convenient for increasing the rotation of Needle localization guide cover
When frictional force.In addition, the top of clamping cylinder 52 is further opened with limiting slot 51 corresponding with puncturing shank, the shape of limiting slot 51
With the shape Corresponding matching of clamping cylinder, position limiting structure is formed, limiting slot 51 is arranged on to the top of clamping cylinder 52, both can guarantee limit
The convenience and stability that position block is installed in limiting slot, and do not influence the intensity of Needle localization guide cover oneself and covered puncturing
The stability installed on tube socket, is simple and efficient.
Further, the extension of clamping cylinder be equipped with reverse frustoconic guide groove, if set the purpose of guide groove in order to
Limited block can be faster plugged in limiting slot 51.
It is the puncture needle for laparoscope puncture outfit of the present invention as shown in attached drawing 17-20, including puncturing shank 22 and wearing
Pricker sealing cover 21 punctures shank 22 and includes the body of rod 221, punctures conehead 223 and puncture needle bar frame 222, punctures needle bar frame 222 and pacify
Mounted in the top of the body of rod 221, the bottom that conehead 223 is mounted on the body of rod 221 is punctured；The cover circumferential surface of puncture needle sealing cover 21 is divided into
Two symmetrical flat horizontal surfaces 211 and two symmetrical arcwall faces 212, flat horizontal surface 211 are shiny surface, and arcwall face 212 is equipped with burr
213, purpose of this design is convenient for grasping, using arcwall face 212 as operating surface, above using flat horizontal surface 211 as grip part
Burr 213 has antiskid function, facilitates the plug of puncture needle；It is fixed to be equipped in the puncture needle sealing cover 21 of 211 side of flat horizontal surface
Position slot 214 punctures needle bar frame 222 and is equipped with corresponding positioning column 225, and 225 grafting of positioning column enters puncture needle in locating slot 214
Sealing cover 21 is fixedly mounted with puncturing needle bar frame 222, and positioning column 225 and locating slot 214 ensure that direct grafting can be fixed and wear
Pricker sealing cover 21 is with puncturing needle bar frame 222, and directly installation position of the positioning puncture needle sealing cover 21 on needle bar frame 222 is punctured
It puts, ensures that flat horizontal surface 211 is used as grip part effectively to avoid wrong installation, mounting means letter towards hand to puncture needle at work
It is single convenient.
Further, it punctures shank 22 and further includes limited block 224, being located at for limited block 224 is punctured under needle bar frame 222
Side, and be seamlessly connected on one side with puncturing needle bar frame 222；Positioning column 225 is located at the surface of limited block 224, punctures in conehead 223
Tip end be located at the underface of limited block 224；Limited block 224 punctures shank 22 in Needle localization guide cover 5 for limiting
Installation site, radial rotating of the puncture needle in puncture cannula can be effectively prevent by dividing, and ensure the stability of surgical procedure；In addition
Positioning column 225, the relative position for puncturing 224 three of conehead 223 and limited block both can guarantee the installation side of puncture needle sealing cover 21
To, and can guarantee installation position of the puncture needle in puncture cannula, this design makes puncture outfit when mounted, very simple accurate,
Greatly reduce setup error.
Further, it is discoid to puncture needle bar frame 222, punctures the diameter of needle bar frame 222 and 21 bottom of puncture needle sealing cover
The internal diameter in portion is equal.The bottom of the flat horizontal surface 211 of puncture needle sealing cover 21 is additionally provided with grafting block 215, and the bottom of arcwall face 212 is also
Equipped with buckling groove 216, puncture needle bar frame 222 and be equipped with 215 corresponding inserting groove 227 of grafting block and right with buckling groove 216
The clamping block 226 answered.Grafting block 215 and buckling groove 216 are evenly distributed on the inner peripheral surface of puncture needle sealing cover 21.The design can be with
Further strengthen puncture needle sealing cover 21 with puncturing the mounting stability of needle bar frame 222, and the connection mode designed is clamping,
The modes such as the ultrasonic bonding in compared with the prior art, more convenient, safety and environmental protection.
Further, the another side of limited block 224 is seamlessly connected with the body of rod 221.Limited block 224 is L-shaped limited block 224, L
The short side of shape limited block 224 is seamlessly connected with puncturing needle bar frame 222, and long side is seamlessly connected with the body of rod 221.L-shaped in the application
Limited block 224 is integrally formed with puncturing shank 22, and limited block 224 and the making for puncturing shank 22 are very simple, and connection is non-
Often stablize, can effectively prevent puncturing radial rotating of the shank 22 in puncture cannula, and be not easy stress damage, service life
It is long.
As shown in fig. 21-22, it is the valve mounting mechanism for laparoscope puncture outfit of the present invention, including puncture cannula seat
11 and gas injection valve 3, there are two recessed portions 112 on the circumferential surface of puncture cannula seat 11, the outside of one of recessed portion 112 is equipped with
Gas injection valve 3, gas injection valve 3 include valve body 32, spool and air injection pipe 31, and air injection pipe 31 connects with the mounting cylinder 111 in recessed portion 112
Connect, and the angle between air injection pipe 31 and mounting cylinder 111 is 65-75 degree, i.e. the air injection pipe 31 of the application be tiltedly mounted on it is recessed
In concave portion 112, it is also what is be obliquely installed that benefit one of this design, which is the gas injection hose that can be plugged in air injection pipe 31, stress
Angle is preferable, is not easy to slide from air injection pipe 31, prevent operation interrupt, second is that 31 inclined design of air injection pipe and with recessed portion 112
Cooperation makes air injection pipe 31 be formed on puncture cannula seat 11 and partly hides design, unless operating gas injection valve 3 consciously during use
Switch, is otherwise not likely to produce the problem of accidentally touching gas injection valve 3；Valve body 32 is cylindrical shape, to be in that being mounted on for left and right perforation direction is noted
On tracheae 31, the left and right perforation of the application is for the direction of puncture outfit up/down perforation, is different from the prior art
32 up/down perforation of valve body of gas injection valve 3, which is arranged on, to be punctured on seat；Being equipped in valve body 32 can circumferentially rotate to connect air injection pipe 31
Spool that is logical or blocking；Puncture cannula seat 11, valve body 32 and air injection pipe 31 are an integral structure, and intensity is high, and stability is strong so that
Sealing effect is good during use, is not likely to produce gas leakage or the phenomenon of leakage.
Further, air injection pipe 31 is mounted on the lower section of recessed portion 112, the area between 32 upside of valve body and recessed portion 112
Domain is also equipped with floor 113, and floor 113 is arranged on the centre of recessed portion 112, floor 113, puncture cannula seat 11,32 and of valve body
Air injection pipe 31 is also an integral structure, by injection molding technology can simple realization, the design of floor 113 not only manufacture craft letter
It is single, make the bonding strength bigger between gas injection valve 3 and puncture cannula seat 11, structural stability is more preferable, while floor 113 also functions to
The effect that hand is facilitated to be held in recessed portion 112, makes puncture outfit more preferably grasp, and can also finally further function as prevents from accidentally touching note
Air valve 3.
Further, spool includes circumferentially rotating the valve rod 33 being arranged in valve body 32, and one end of valve rod 33, which is equipped with, to be located at
The shift bar 34 in 32 outside of valve body, the other end are oblique cone end 332, and the purpose of setting oblique cone end 332 is because oblique cone end 332 is set
It puts and is quick installed in valve body 32 convenient for valve rod 33, it is easy to use, save cost；Valve can be extended radially through by being equipped at 33 middle part of valve rod
The venthole 35 of bar 33.The circumferential position-limit mechanism that valve rod 33 circumferentially rotates can be limited by being equipped between valve rod 33 and valve body 32；Week
Include being arranged on the arc notch 321 of 32 end of valve body to position-limit mechanism, valve rod 33 be equipped with it is corresponding with arc notch 321 and
When valve rod 33 circumferentially rotates can respectively with 321 end of arc notch against arc-shaped limit block 331.I.e. when arc-shaped limit block
331 with 321 one end of arc notch lean when, venthole 35 connects air injection pipe 31 with mounting cylinder 111, shift bar 34 and gas injection
Pipe 31 is parallel；When arc-shaped limit block 331 and 321 other end of arc notch against when, venthole 35 is by air injection pipe 31 and mounting cylinder
111 block, and shift bar 34 is vertical with air injection pipe 31, and shift bar 34 is higher by the recessed portion 1-2cm of puncture cannula seat 11, higher than recessed
The purpose of concave portion 1-2cm, the operation also for shift bar 34 reserve corresponding operating space so that valve is turned on and off
It is easy to operate, slip preventing fringe 341 is additionally provided on the lateral wall of shift bar 34, also for easy to operate.
Further, Needle localization guide cover is additionally provided on puncture cannula seat 11, limit is additionally provided in Needle localization guide cover
Position slot, limiting slot are arranged on the offside of gas injection valve 3；Needle localization guide cover is equipped with puncture needle, and it is close that puncture needle includes puncture needle
Sealing cap and puncture shank, the both sides of puncture needle seal cap also are provided with the flat horizontal surface of recess, puncture shank and are equipped with locating piece, positioning
Block is by the way that in installing locating slot, the concave part position of positioning flat horizontal surface and puncture cannula seat 11 is correspondingly set up and down.This design
Purpose be ensure hand recessed portion 112 holding operation, be conducive to operation convenience.
The assembling process of puncture outfit of the present invention is：First the Duckbill seal valve in the second seal assembly is mounted on to puncture and be covered
On tube socket, the first seal assembly integral installation is then completed into the assembling of puncture cannula in the top of the second seal assembly；Then
Shank will be punctured and the installation of puncture needle seal cap is fixed, complete the assembling of puncture needle；Finally by puncture needle successively from the first sealing
The centre bore of component and the second seal assembly passes through, and the puncture conehead for puncturing shank end is pierced by outside puncture cannula, completes
The assembling process of puncture outfit.
The use process and sealing principle of the puncture outfit of the present invention are as follows：The sealing device and disposable puncture device of the present invention
It matches, is that a kind of minimally invasive hysteroscope instrument is built suitable for abdominal cavity, uropoiesis, Gynaecological inspection and surgical procedure
Vertical surgical work channel is used.It is cut first by the puncture conehead of the puncture needle front end of disposable puncture device in patients abdomen soft tissue small
Mouthful, it then will puncture conehead and be inserted into patients abdomen soft tissue small notch, as puncture awl punctures soft tissue lower floor with puncture
Scarf of the casing part with taper enters soft tissue together, passes through patient abdominal cavity soft tissue until abdominal cavity in puncture awl, at this time
Puncture cannula is reached as puncture awl penetrates abdominal cavity in the middle part of abdominal cavity, and then puncture needle is extracted from puncture cannula, opens gas injection
The valve switch on valve top, gas is by gas injection valve air inlet, spool, valve body, from puncture cannula injection patient abdominal cavity, due to
Second sealing valve lower part is equipped with duckbill valve, and when puncture shank is extracted out from duckbill valve, the valve nozzle of duckbill valve is automatically closed, injection
It just can not emerge out of puncture cannula to intraperitoneal gas, play the role of one-way sealing, so as to which pneumoperitoneum be kept to exist, make patient
Abdominal cavity is heaved, and closes valve, starts abdominal operation process.
Then abdominal operation instrument can be inserted into and pass through from the first sealing valve, the second sealing valve of disposable puncture device
Puncture cannula is inserted into abdominal cavity, since the comprehensive sealing valve of the first seal assembly and the duckbill valve of the second seal assembly are to surgical device
Tool has extraordinary holding effect, and sealing abdominal operation instrument performance is good, and injecting gas in abdominal cavity will not leak, and have multiple
Sealing effect.Surgical instrument from disposable puncture device is extracted after operation, valve switch is opened, will be noted in patient abdominal cavity
The exhaust outlet for entering gas from gas injection valve excretes, after gas to be implanted discharge, you can by disposable puncture device from patients abdomen
It transfers to, completes surgical procedure.
In short, the disposable puncture device reasonable design of the present invention, compact-sized, safe to use, effective, in clinical operation
Wound area can be greatly reduced, greatly shortens operating time, reduces bleeding and the postoperative infection of patient, while improves operation matter
Amount.First sealing valve using the present invention, still can keep good sealability.It can be widely applied to laparoscope, thoracic cavity
In the Mini-type puncture outfit of the micro-wound surgical operations such as mirror.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
The connection of two components interiors.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
It the above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of puncture cannula device of small-sized laparoscope puncture outfit, it is characterized in that：The puncture cannula further includes puncture cannula
Body, Needle localization guide cover and seal assembly, the seal assembly are mounted on the Needle localization guide cover and puncture cannula seat
Between the interior intracavitary that is formed, the puncture cannula body includes puncture cannula seat and casing, and the Needle localization guide cover is mounted on
The top of puncture cannula seat, described sleeve pipe are mounted on the lower section of puncture cannula seat；Gas injection is installed on the side wall of puncture cannula seat
Valve and gas injection valve are set with puncture cannula to be integrated.
2. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 1, it is characterized in that：It is described
Seal assembly includes the first sealing valve, the second sealing valve and seal closure, second sealing valve and the installation in puncture outfit pedestal
Cylinder is correspondingly connected with, and the first sealing valve is equipped with above the second sealing valve, seal closure is equipped with above the first sealing valve, is sealed
The top of cover is Needle localization guide cover, and Needle localization guide cover connect the seal assembly compressed in it with puncture cannula seat.
3. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 2, it is characterized in that：Described first
Sealing valve is the cup body sealing valve made of elastic material, and second sealing valve is duckbill valve made of elastic material, described
The top of duckbill valve is mounting ring, and the lower section of the mounting ring is equipped be correspondingly connected with the mounting cylinder in puncture outfit pedestal second
Groove, the bottom of a cup of the cup body sealing valve and the upper bottom surface of mounting ring are seamlessly connected, the side wall insertion peace of the cup body sealing valve
In the first groove below seal closure, the side wall on the outside of second groove is corresponding with the sidewall locations of cup body sealing valve,
Width is equal.
4. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 3, it is characterized in that：The cup body
The side wall of sealing valve and bottom of a cup vertical connection, the bottom of a cup center of the cup body sealing valve are provided with puncture hole, under the bottom of a cup
Be additionally provided with pleated portions on bottom surface, in the pleated portions opening direction of fold with the opening direction direction of cup body sealing valve on the contrary,
Bottom of a cup outer bottom between the pleated portions and puncture hole is inclined-plane.
5. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 1, it is characterized in that：The puncture
Positioning and guiding lid and the specific bindiny mechanism of puncture cannula seat are：The puncture cannula seat is equipped with the first locking slot, described to wear
Thorn positioning and guiding is covered equipped with corresponding first locking boss, and a side of first locking slot is locking shrapnel, and described the
One locking boss by rotation force down locking shrapnel slip into the first locking slot after, locking shrapnel bounce the first locking boss card
Tightly in the first locking slot.
6. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 5, it is characterized in that：Described first
Locking slot is L-type hollow slots, is opened in the seat on puncture cannula seat top along upper, wherein the short side part of L-type hollow slots is located at lock
The side of tight shrapnel, as the card-tight part of the first locking boss, the long side part of L-type hollow slots is located at the lower section of locking shrapnel,
Depression space is provided for locking shrapnel.
7. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 5, it is characterized in that：The puncture
The seat on casing seat top is further opened with the second locking slot along wall, and the Needle localization guide cover is equipped with corresponding second locking
Boss, the second locking boss slip into clamping fixed in the second locking slot by rotation；Second locking slot is recessed for L-type
Slot, upward, blind end is towards the circumferential direction on the seat edge on puncture cannula seat top for the openend of the L-type groove.
8. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 1, it is characterized in that：Puncture needle
It punctures and limited block is additionally provided on shank, the Needle localization guide cover is equipped with limiting slot corresponding with limited block, the limited block
In the embedded limiting slot, position-limit mechanism is formed.
9. a kind of puncture cannula device of small-sized laparoscope puncture outfit according to claim 1, it is characterized in that：It is described including
Puncture cannula seat and gas injection valve, have two recessed portions on the circumferential surface of the puncture cannula seat, and the outside of one of recessed portion is pacified
Equipped with gas injection valve, the gas injection valve includes valve body, spool and air injection pipe, and the air injection pipe is connect with the mounting cylinder in recessed portion,
And the angle between air injection pipe and mounting cylinder is 65-75 degree；The valve body is cylindrical shape, to be in being mounted on for left and right perforation direction
In air injection pipe；The spool that can be circumferentially rotated so as to connect or block air injection pipe is equipped in valve body；The puncture cannula seat, valve body
It is an integral structure with air injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202028.1A CN108261231B (en) | 2018-03-12 | 2018-03-12 | Puncture sleeve device of small-sized laparoscope puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202028.1A CN108261231B (en) | 2018-03-12 | 2018-03-12 | Puncture sleeve device of small-sized laparoscope puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108261231A true CN108261231A (en) | 2018-07-10 |
| CN108261231B CN108261231B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810202028.1A Active CN108261231B (en) | 2018-03-12 | 2018-03-12 | Puncture sleeve device of small-sized laparoscope puncture outfit |
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| CN (1) | CN108261231B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108969067A (en) * | 2018-07-13 | 2018-12-11 | 仙居优亿医疗器械有限公司 | Puncture outfit sealing valve assembly |
| CN109288569A (en) * | 2018-09-29 | 2019-02-01 | 江苏风和医疗器材股份有限公司 | A kind of puncture outfit shell and puncture outfit |
| CN110051412A (en) * | 2019-05-10 | 2019-07-26 | 常州平康医疗科技有限公司 | Safe puncture outfit |
| CN110090046A (en) * | 2019-04-10 | 2019-08-06 | 江苏省人民医院（南京医科大学第一附属医院） | Improved thyroid puncture device |
| CN111000621A (en) * | 2019-12-09 | 2020-04-14 | 天津瑞奇外科器械股份有限公司 | Sealing structure, puncture cannula and medical puncture outfit |
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| CN108261231B (en) | 2024-04-16 |
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