CN107049438A - A kind of reducing casing tube device and puncture outfit - Google Patents
A kind of reducing casing tube device and puncture outfit Download PDFInfo
- Publication number
- CN107049438A CN107049438A CN201710410223.9A CN201710410223A CN107049438A CN 107049438 A CN107049438 A CN 107049438A CN 201710410223 A CN201710410223 A CN 201710410223A CN 107049438 A CN107049438 A CN 107049438A
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- China
- Prior art keywords
- casing
- reducing
- transmission shaft
- power transmission
- moving
- Prior art date
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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
- A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
-
- 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
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
-
- 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
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
- A61B2017/3441—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable with distal sealing means
-
- 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
Abstract
The present invention relates to a kind of reducing casing tube device and puncture outfit, including reducing casing tube component, lower cover and lower house, reducing casing tube component is fixedly clamped by the lower cover and lower house, the reducing casing tube component includes the membrane casing of at least moving casing and fixed sleeving of two halves near symmetrical and the parcel moving casing and fixed sleeving, and the moving casing, fixed sleeving constitute the hollow channel for accommodating operating theater instruments turnover with the membrane casing；Also include reducing drive mechanism, the moving casing does the linear motion closer or far from the longitudinal axis in the presence of reducing drive mechanism along transverse axis.
Description
Technical field
The present invention relates to Minimally Invasive Surgery apparatus, more particularly to a kind of puncture outfit structure.
Background technology
Puncture outfit is the artificial channel for entering body cavity in a kind of Minimally Invasive Surgery (especially hard tube endoscope-assistant surgery) for setting up
Operating theater instruments.Generally it is made up of thimble assembly and puncture needle.Its clinical general occupation mode is：First cut on patient skin
Osculum is opened, then puncture needle is run through into thimble assembly, but enters body cavity through penetrating stomach wall at skin openings together.Once into body
Puncture needle is removed after chamber, leaves the passage that thimble assembly passes in and out body cavity as apparatus.
In hard tube endoscope-assistant surgery, particularly in laparoscopic surgery, pneumoperitoneum apparatus is generally used to the lasting perfusion of abdominal cavity of patients
Gas (such as carbon dioxide) simultaneously maintains stable air pressure (about 13~15mmHg), empty to obtain enough operation techniques
Between.Thimble assembly is generally by sleeve pipe, shell, diaphragm seal (also known as instrument seal) and zero sealing (also known as automatic-sealed) composition.Institute
State sleeve pipe to penetrate to body cavity outside body cavity, the passage of body cavity is passed in and out as apparatus.The shell is by sleeve pipe, zero sealing and seals
Film connects into a sealing system.Zero sealing is generally not provided the sealing for insertion instrument, and when apparatus is removed certainly
It is dynamic to close and form sealing.The diaphragm seal banding apparatus and forms sealing when apparatus is inserted.
In a kind of typical gall-bladder ESS, generally 4 puncture channels, i.e., 2 small internal diameters are set up in patient's stomach wall
Thimble assembly (usual 5mm) and 2 large diameter thimble assemblies (usual 10mm).Generally enter patient via small internal diameter thimble assembly
Internal apparatus is only completed auxiliary operation；One of large diameter thimble assembly is used as endoscope path way；And another large diameter
The main thoroughfare that thimble assembly is performed the operation as doctor.Said main thoroughfare, about 80% time applies 5mm apparatuses；
About 20% time applies other major diameter apparatuses；And 5mm apparatuses need frequent switching with major diameter apparatus in operation.Using small straight
Footpath appliance time is most long, and its sealing reliability is more important；Using during major diameter apparatus often for operation in critical stage (for example
Vessel sealing and tissue apposition), it switches convenience and operation comfort is more important.
As laparoscopic surgery is carried out extensively in gynaecology and division of gastroenterology field, the species of operation is increasingly enriched, for
The demand of puncture outfit also highlights variation.For example in a kind of typical gut surgery need to insert into patient's body by puncture outfit
15mm stapler, but generally the main thoroughfare is 10mm or 12mm puncture outfits, it is necessary to which extra set up wearing for 15mm
Transfixation road.For example in a kind of typical gynecological surgery the puncture channel for setting up 15mm is needed to be easy to take out the uterus group cut down
Knit, but generally the main thoroughfare is 10mm or 12mm puncture outfits, it is necessary to the extra puncture channel for setting up a 15mm.It is foregoing
It is identical to insert if puncture channel diameter can easily switch at 10mm (12mm) to 15mm diameters in two kinds of surgical scenes
Device coincide or takes out larger diseased organ (tissue), then can reduce extra puncture channel, reduces the damage for patient.
Up to the present, the also puncture outfit without this type.
The content of the invention
It is of the invention to propose a kind of reducing casing tube device in order to solve one or more problems of background technology, including
Reducing casing tube component is fixedly clamped by reducing casing tube component, lower cover and lower house, the lower cover and lower house, wherein：Institute
State reducing casing tube component include at least moving casing and fixed sleeving of two halves near symmetrical and wrap up the moving casing and
The membrane casing of fixed sleeving, the moving casing, fixed sleeving are constituted with the membrane casing accommodates operating theater instruments turnover
Hollow channel；Also include reducing drive mechanism, the moving casing in the presence of reducing drive mechanism along transverse axis do close to or
Linear motion away from the longitudinal axis.
In a kind of implementation of the present invention, wherein, the reducing casing tube component includes original state and the state that swells：Institute
State under original state, the lateral cross section of moving casing and the fixed sleeving formation with basic annulus；It is described to swell under state,
The moving casing moves laterally away from the longitudinal axis, forms the lateral cross section with the racetrack annulus swollen.
In a kind of implementation of the present invention, wherein, the reducing drive mechanism includes power transmission shaft and drive knob, described
Power transmission shaft includes the canned paragraph that the screw drive section of its power transmission shaft near-end and its distal end are connected with moving casing；The driving
Knob is included from the knob for running through its internal thread hole and its near-end outside；The internal thread hole of the drive knob and the spiral shell of power transmission shaft
Line drive section cooperatively forms screw-driven.
In a kind of implementation of the present invention, wherein, the reducing drive mechanism includes power transmission shaft and drive knob, described
Power transmission shaft includes the canned paragraph that the internal thread hole of its power transmission shaft near-end and its distal end are connected with moving casing；The driving rotation
Button includes the knob of the stud and its near-end from its distal end；The stud of the drive knob and the internal thread hole of power transmission shaft coordinate shape
Into screw-driven.
In a kind of implementation of the present invention, wherein, the reducing drive mechanism includes power transmission shaft and drive knob, described
Power transmission shaft includes the canned paragraph that the internal thread hole of its power transmission shaft near-end and its distal end are connected with moving casing；The driving rotation
Button includes the knob of the stud and its near-end from its distal end；The stud of the drive knob and the internal thread hole of power transmission shaft coordinate shape
Into screw-driven.
In a kind of implementation of the present invention, wherein, the reducing drive mechanism includes power transmission shaft, driving cam and use
The guide sleeve moved in restriction power transmission shaft along transverse axis；The power transmission shaft near-end includes axis hole, the axis hole and driving cam it is remote
Stomidium is connected by axle makes it to be pivoted, and the canned paragraph of the power transmission shaft distal end is connected with moving casing；It is described to drive
Second cam surface of first cam surface of the moving cam comprising its distal end and its distal end both sides, the remote stomidium to the first cam surface
Distance is more than the remote stomidium to the distance of the second cam surface.
In a kind of implementation of the present invention, wherein, the moving casing and fixed sleeving are made up of metal material, described
Moving casing and fixed sleeving by a round metal tube by punching press one-shot forming or by cutting into symmetrical two parts.
In a kind of implementation of the present invention, wherein, the membrane casing material includes flexible material or elastomeric material system
Into.
Another object of the present invention proposes a kind of puncture outfit, comprising thimble assembly and through the puncture needle of thimble assembly, its
In, described sleeve pipe component includes described casing bit, and casing bit also includes lower retainer ring, the lower house and lower retainer ring
Be fixedly clamped membrane casing, and described sleeve pipe component includes Duckbill seal is constituted into the fixed to described sleeve pipe device by upper retainer ring
One seal assembly, and the second seal assembly snapped connection with the first seal assembly.
Brief description of the drawings
In order to more fully understand the essence of the present invention, it is described in detail below in conjunction with accompanying drawing, wherein：
Fig. 1 is a kind of abdomen puncture position simulation schematic diagram of typical laparoscopic surgery；
Fig. 2 is the schematic perspective view of first embodiment of the invention thimble assembly；
Fig. 3 is the three-dimensional partial sectional view of Fig. 2 described sleeve pipe components；
Fig. 4 is the exploded view of the second seal assembly described in Fig. 2；
Fig. 5 is the sectional view after seal assembly assembling described in Fig. 4；
Fig. 6 is the first seal assembly schematic perspective view described in Fig. 3；
Fig. 7 is the exploded view of the first seal assembly described in Fig. 6；
Fig. 8 is the exploded view of reducing casing tube component shown in Fig. 7；
Fig. 9 is the assembling schematic diagram of reducing casing tube component shown in Fig. 8；
Figure 10 is the schematic perspective view of Fig. 7 lower houses；
Figure 11 is the schematic diagram that reducing casing tube component shown in Fig. 9 loads lower house；
Figure 12 is partial sectional view shown in Figure 11；
Figure 13 is lower cover schematic perspective view shown in Fig. 7；
Figure 14 is the schematic diagram of the reducing casing tube component loading lower cover shown in Figure 11；
Figure 15 is that the first seal assembly shown in Fig. 3 swells state sectional view；
Figure 16 is the first seal assembly original state view in transverse section shown in Figure 15；
Figure 17 is 17-17 schematic diagrames shown in Figure 15；
Figure 18 is the schematic perspective view of second embodiment thimble assembly；
Figure 19 is the partial exploded view of reducing casing tube device shown in Figure 18；
Figure 20 is the sectional view of the first seal assembly original state shown in Figure 18；
Figure 21 is that the first seal assembly shown in Figure 18 swells the sectional view of state；
Figure 22 is the schematic perspective view of the 3rd embodiment thimble assembly；；
Figure 23 is the partial exploded view of reducing casing tube device shown in Figure 22；
Figure 24 is the sectional view of the first seal assembly original state shown in Figure 22；
Figure 25 is 25-25 sectional views shown in Figure 24；
Figure 26 is the enlarged diagram of circle 26 shown in Figure 25；
Figure 27 is that the first seal assembly shown in Figure 22 swells the sectional view of state；
Figure 28 is 28-28 sectional views shown in Figure 27；
Figure 29 is the enlarged diagram of circle 29 shown in Figure 28；
In all views, identical label represents equivalent part or part.
Embodiment
Disclosed herein is embodiment of the present invention, it should be understood, however, that disclosed embodiment is only of the invention
Example, the present invention can be realized by different modes.Therefore, this disclosure is not to be construed to be restricted, and
It is the basis only as claim, and how basis of the invention is used as teaching those skilled in the art.
With reference to Fig. 1-3, for convenience of stating, the side of follow-up all Proximity operation persons is defined as near-end, and away from operator
One side is defined as distal end, and the central axis for defining thimble assembly 10 is the longitudinal axis 1000, and the direction of follow-up all almost parallel longitudinal axis claims
For axial direction, follow-up all directions for being approximately perpendicular to the longitudinal axis are referred to as transverse direction, and the central axis for defining reducing drive mechanism 102 is transverse axis
2000, proximally it is referred to as forward direction along the distal end of transverse axis 2000, moves referred to as reverse along the proximate of transverse axis 2000.
As shown in figure 1, the scene that gynaecology and division of gastroenterology field are performed the operation in foregoing background is depicted, 4 puncture outfits 1
(2,3,4) are respectively penetrated in patient abdominal cavity 6, are coincide when needing to use stapler 5 to carry out wound or are taken out larger diseased organ
When (tissue), it usually needs 15mm thimble assembly is operated, and Minimally Invasive Surgery operation how long, 10mm sleeve pipe
Component can meet use requirement completely.It should be appreciated by those skilled in the art in order to reduce the wound size of patient and subtract
Few extra puncture channel, can be great if puncture channel diameter can easily switch at 10mm (12mm) to 15mm diameters
Operative doctor is facilitated to operate and reduce the damage for patient.
Fig. 2-17 illustrate in detail the overall structure of first embodiment of the invention puncture outfit.As shown in fig. 3 to 7, a kind of typical case
Puncture outfit includes the (not shown) of puncture needle 50 and thimble assembly 10.Thimble assembly 10 has open near-end 192 and open set
Pipe distal end 111.In a kind of typical application, puncture needle 50 runs through thimble assembly 10, then whole through being penetrated at skin openings together
Individual stomach wall enters body cavity.Once into body cavity, puncture needle 50, which is removed and leaves thimble assembly 10 as apparatus, passes in and out body cavity
Passage.The near-end 192 is in the patient distal end 110 and is in patient's body.A kind of preferred thimble assembly 10, can
It is divided into the first seal assembly 11 and the second seal assembly 12.The neck 119 of the component 11 and the snap fit of the component 12
162a coordinates fastening.The cooperation of the snap fit 162a and neck 139 are the quick locking structures that singlehanded can quickly split.This mainly for
The convenient tissue or foreign matter taken out in patient's body during operation.Fast lock between the component 11 and component 12 is connected with a variety of realizations
Mode., can also be using threaded connection, rotary buckle or other quick locking structures in addition to the structure that the present embodiment is shown.It may be selected
, the component 11 and component 12 can be designed to the structure that can not quickly split.
Fig. 3, Fig. 6-7 depict the composition and assembly relation of the first seal assembly 11.First seal assembly 11 includes running through
The reducing casing tube component 101 of boot proximal end 110 and the reducing drive mechanism 102 for driving its diameter change, the reducing driving
Mechanism 102 and reducing casing tube component 101 are in axial direction fixed by lower cover 104 and lower house 103 and lower retainer ring 105.
The lower house 103 has the inwall 148 of support Duckbill seal.The flange 176 of Duckbill seal 107 is sandwiched in the inwall 148
Between upper retainer ring 106.Fixed form between fixed ring 106 and lower house 103 has a variety of, can be matched somebody with somebody using interference
Close, ultrasonic bonding, be glued, the mode such as buckle fixation.4 mounting posts 161 of upper retainer ring 106 and institute described in the present embodiment
4 mounting holes 147 for stating lower house 103 are interference fitted, and this interference fit makes Duckbill seal 107 be in compressive state.It is described
Reducing casing tube component 101, reducing drive mechanism 102, inwall 148, Duckbill seal 107 and intake valve (not shown) are collectively constituted
First chamber 13, the formation of the first chamber 13 gas handling system passage, while being also the passage that apparatus passes in and out body cavity.This implementation
In example, the Duckbill seal 107 is single seam, but it is also possible to uses other kinds of closure valve, including tongue type valve, stitches duckbilled more
Valve.When external device runs through the Duckbill seal 107, its duckbilled 173 can be opened, but it is generally not provided relative to described
Apparatus is fully sealed.When the apparatus is removed, the duckbilled 173 is closed automatically, so as to prevent the stream in first chamber 13
Body is revealed to external.The reducing casing tube component 101, reducing drive mechanism 102, lower cover 104 and lower house 103 and lower solid
Determine ring 105 and constitute reducing casing tube device 15 together, the change in size for realizing casing diameter.
Fig. 3-5 depicts the composition and assembly relation of the second seal assembly 12.Sealing membrane modules 108 be clipped in lid 106a and
Between upper shell 109.The near-end 182 of the sealing membrane modules 108 is fixed on the inner ring 166a of the upper lid 106a and described
Between the inner ring 196 of upper shell 190.Fixed form between the upper shell 190 and upper lid 106a has a variety of, can use interference
Coordinate, ultra-sonic welded, be glued, the mode such as buckle fixation.The shell for the upper shell 190 that the present embodiment displaying connected mode is
Fixed between 191 and the shell 161a of the upper lid 106a by ultrasonic bonding.This fixation causes the sealing membrane modules
108 near-end 182 is in compressive state.The centre bore 163 of the upper lid 106a, inner ring 166a and sealing membrane modules 108 are together
Constitute second chamber 14.
Fig. 4-5 depicts the composition and assembly relation of sealing membrane modules 180.The sealing membrane modules 180 include diaphragm seal
180 and protection device 181.The protection device 181 is embedded in the diaphragm seal 180.The size of the protection device 181 and
Configuration design is interfered into the inner side that may be mounted at the diaphragm seal 180 without being produced with the diaphragm seal 180.The protection dress
Put 181 to move or float with diaphragm seal 180, the centre for protecting the diaphragm seal 180, protect it from insertion
Perforation or tear that the sharp edge of operating theater instruments is caused.The diaphragm seal 180 is generally by natural rubber, silica gel, isoprene rubber etc.
Elastomeric material is made；The protection device 181 is generally by thermoplastic elastomer (TPE), polypropylene, polyethylene, gather the rigidity such as record ethene or
Semi-rigid material is made.
Fig. 8-14 depicts the composition and assembly relation of reducing casing tube device 15.Reducing casing tube device 15 is by the drill holder
Tube assembly 101, reducing drive mechanism 102, lower cover 104 and lower house 103 and lower retainer ring 105 are constituted together.Under described
The reducing casing tube component 101 and reducing drive mechanism 102 are fixedly clamped by retainer ring 105, lower cover 104 and lower house 103.
As Figure 8-9, the reducing casing tube component 101 includes the moving casing 111 and fixed cover of two halves near symmetrical
Pipe 112 and institute's moving casing 111 and fixed sleeving 112 are defined as the membrane casing with elongated tubular in an initial condition
113.The moving casing 111 includes semicircular moving casing distal end 1110 and the movable body proximally extended by it
1111, the movable near-end semicircle of body 1111 is extended laterally outward and moving casing cambered surface wall 1112 and movable sleeve tube wall
The U-shaped face of 1113 compositions is crossed to form wall 1116.The fixed sleeving 112 include semicircular fixed sleeving distal end 1120 and
The fixation body 1121 proximally extended by it, the fixed near-end semicircle of body 1121 is extended laterally outward and fixed sleeving arc
Face the wall and meditate 1122 and fixed cover tube wall 1123 constitute U-shaped face be crossed to form wall 1126.The moving casing 111 and fixed sleeving
112 vertically substantial mirror images it is symmetrical, and set respectively in the movable sleeve tube wall 1113 and the near-end of fixed cover tube wall 1123 contacted with each other
Put the spacing bayonet socket 1114 (1124) of L-type.The moving casing cambered surface wall 1112 of the moving casing 111 also includes being used to install solid
Determine the hole 1115 of reducing drive mechanism 102.The moving casing distal end 1110 and fixed sleeving distal end 1120 constitute sleeve pipe together
Component remote 110.
The body 1131 of membrane casing 113, which is inserted in and wraps body 1121 and the movable restriction of body 1111 formation, to be had
The section of basic annulus；The diameter of body 1131 is less than the diameter that fixed body 1121 and the movable combination of body 1111 are formed.Institute
Fixed sleeving cambered surface wall 1122 is stated, fixed cover tube wall 1123 and moving casing cambered surface wall 1112 and movable sleeve tube wall 1113 are constituted
Racetrack section.The body 1131 includes its proximal openings 1134, and laterally extends U from proximal openings 1134 to distal end
The revolving body 1132 of type.The revolving body 1132 includes the stationary plane 1133 of U-shaped revolving body bottom.Those skilled in the art should
This is known, in order to take the slender casing external diameter space of reducing casing tube component 101 less as far as possible, while ensureing preferable intensity, film
Sleeve pipe 113 is formed using the thin-film material blowing of elasticity, such as PET, PP, the thin-film material such as PC.The thickness of membrane casing 113
0.1mm is generally taken to 0.5mm.Another optional technical scheme, as shown in Figure 25 and Figure 28, membrane casing 101a is using flexible
Thin-film material blowing form, such as PET, PP, the thin-film material such as PC.During reducing, the membrane casing 101a will not
Occur elastic deformation or only occur slight elastic deformation, reducing increase part relies primarily on and is compressed in the He of institute's moving casing 111
The fold of the seam crossing of fixed sleeving 112 unfolds to be formed.
The moving casing 111 and fixed sleeving 112 pass through punching press one-shot forming by foil material.Art technology
Personnel it should be understood that the metal material that the moving casing 111 and fixed sleeving 112 are used include with good ductility and compared with
The stainless steel alloy material of high shaping strength, while other are adapted to punching presses and meet the alloy material of bio-compatibility to answer
For the present invention.In order to ensure the intensity of the moving casing 111 and fixed sleeving 112, the present embodiment is using 0.8mm thickness
Stainless steel material progress is one time punching molded, it should be appreciated by those skilled in the art that in order to increase intensity, moving casing 111
The fixation body 1121 of movable body 1111 and fixed sleeving 112 can be with the reinforcement of punch forming convex or to increase its thick
Degree is also the scope of protection of the invention.Another technical scheme, the moving casing 111 and fixed sleeving 112 are by a circle
Cuts in metallic pipe is constituted into symmetrical two parts.
Reducing drive mechanism 102 described in reference diagram 8 distally passes through the hole 1115 of moving casing 111 including proximally arriving and solid
Fixed power transmission shaft 124 and drive knob 121.The power transmission shaft 124 proximally arrives distal end includes screw drive section 1241 successively, uses
In the mounting groove 1242 for installing inner seal ring 123, the transmission shaft shoulder 1243 and riveting canned paragraph 1244.Those skilled in the art
It is contemplated that moving casing 111 and power transmission shaft 124 can also use stud+nut mode, welding manner, riveting etc. is conventional
Mechanical connection manner is fixed.In order to ensure power transmission shaft 124 be connected moving casing 111 take first chamber 13 space
It is as far as possible small, power transmission shaft 124 and moving casing 111 are fixed using riveting method in the present embodiment.The drive knob 121 includes
From running through its internal thread hole 1213, the knob 1210 of the near-end of drive knob 121, and for installing exterior seal ring 122 outside
Mounting groove 1212.The screw drive section 1241 of the internal thread hole 1213 of the drive knob 121 and power transmission shaft 124 cooperatively forms spiral shell
Line is driven.
As shown in Figure 10, the lower house 103 includes that the hole 138 of reducing casing tube component 101 can be penetrated, and limits fixed sleeving
112, laterally along the first mobile inwall 137, limit the second inwall 136 and first, second of the transverse shifting of moving casing 111
Inwall extends transversely straight the 3rd inwall 135 to be formed.The distance between described first, second inwall is more than drill holder after combination
The length of the fixed cover tube wall 1123 of tube assembly 101 and movable sleeve tube wall 1113, its difference is substantially equal to variable-diameter value B.As before
State content to mention, usual operative doctor usually requires to switch in 10mm -15mm thimble assembly, in order to meet this needs,
Variable-diameter value B >=5mm, the B=5mm of variable-diameter value described in the present embodiment.
The shape of first inwall 137 is matched with the fixed sleeving cambered surface wall 1122 of fixed sleeving 112, second inwall
136 match with the moving casing cambered surface wall 1112 of fixed sleeving 111.First, second, and third inwall 137 (136,135) with by
Its seam outer wall outwards offset constitutes rabbet groove 130 together.The lower house 103 also includes limiting the outer rim of exterior seal ring 122
External seal ring recess 134, limit drive knob 121 U-shaped outer wall 133, and surrounding arrangement connecting hole 132.Such as Fig. 7 institutes
Show, the lower retainer ring 105 includes the hole 152 slightly larger than the body 1131 of membrane casing 113, and matches somebody with somebody with the interference of lower house 103
Close the fixed column 151 being connected.The lower retainer ring 105 also includes the boss 153 extended by the near-end of hole 152.The boss
153 when lower house 103 and lower retainer ring 105 are fixed, the stationary plane 1133 for the membrane casing 103 that is fixedly clamped.
As shown in figure 13, lower cover 104 includes being used for the through hole 148 by apparatus, and by the distal end of lower cover 104 axially
Extend the seam wall 140 matched with the rabbet groove 130 of lower house 103.The inner side of seam wall 140 extends for limiting spacing bayonet socket
The limit rib 145 of 1114 (1124).Lower cover 104 also includes the connecting pole 142 of the insertion connecting hole 132 of lower house 103, and both
Form interference fit.The lower cover 104 sets external seal ring recess 144 with the corresponding external seal ring recess 134 of lower house 103, described
External seal ring recess 134 (144) limits exterior seal ring 122 together with mounting groove 1212, plays sealing function.Outside lower cover 104
Wall 143 and U-shaped outer wall 133 limit the laterally outward displacement of drive knob 121 together.
Shown in Fig. 8-14, the substantially assembling process of reducing casing tube device 15 includes：
S1:Reducing casing tube component 101 is installed, and the moving casing 111 and power transmission shaft 124 is riveted into fixation first, then by group
The fixed sleeving 112 and moving casing 111 for synthesizing basic sleeve pipe are nested into membrane casing 113 simultaneously from thimble assembly distal end 110
Until being set to the near-end of fixed sleeving 112 and moving casing 111, and expose 110 (such as Fig. 8-9) of thimble assembly distal end；
S2:Reducing drive mechanism 102 is installed, and inner seal ring 123 and exterior seal ring 122 are inserted in into power transmission shaft 124 and driving respectively
On knob 121, and the internal thread hole 1213 of drive knob 121 is directed at the screw drive section 1241 of power transmission shaft 124 and rotation is rotated
Button 1210 connects both, completes the installation (such as Fig. 8-9) of reducing drive mechanism 102；
S3:Successively by lower cover 104, lower house 103 completes the reducing casing tube component 101 and lower retainer ring 105 of S2 steps assembling
Assembling is in place (such as Figure 12,14).
The boss 153 of the lower retainer ring 105 is fixedly clamped the stationary plane 1133 of membrane casing 103, by membrane casing 112
It is fixed；The insertion lower house 103 formation interference fit of connecting hole 132 of connecting pole 142 of lower cover 104, the seam wall of lower cover 104
In the rabbet groove 130 of 140 insertion lower houses 103, lower cover 104 and lower house 103 limit reducing casing tube component 101 and reducing drive
The displacement of the axial direction of motivation structure 102.The limit rib 145 of lower cover 104 limits spacing bayonet socket 1124 simultaneously, with second and the 3rd
Inwall 136 (135) limits the fixed sleeving 112 along the direction displacement of transverse axis 2000 and the transverse direction vertical with transverse axis 2000 together
Direction displacement.The horizontal direction displacement vertical with transverse axis 2000 of second inwall 136 limitation moving casing 111, due to described first,
The distance between second inwall be more than the fixed cover tube wall 1123 of reducing casing tube component 101 and movable sleeve tube wall 1113 after combination away from
From length, it is possible to drive moving casing 111 to move back and forth along the direction of transverse axis 2000 by turn knob 1210, what it was moved
Scope is substantially equal to the difference B of variable-diameter.
As Figure 15-17 illustrate in detail the reducing process of reducing casing tube device 15.As shown in 15-16, specifically, initial shape
Under state, the body 1131 of membrane casing 113 wraps the fixation body 1121 of sleeve pipe 112 and the adjustable pipe of moving casing 111
Body 1111, which is limited, forms the section with basic annulus；
When needing adjustment reducing, turned clockwise knob 1210 along transverse axis 2000, the internal thread 1211 of drive knob 121 drives
By distal end, proximally direction is moved the screw drive section 1241 of power transmission shaft 124, and integral movable sleeve is riveted with power transmission shaft 124
Also direction is moved pipe 111, and the body 1131 of membrane casing 113 is strutted because movable body 1111 moves to be swollen, elongated
The section of the basic circular ring type of pipe becomes racetrack section, and now the ultimate range in racetrack section is the diameter chi after reducing
It is very little.
Thimble assembly 10 after needing reducing reverts to original state, need to only be rotated along the hour hands counterclockwise of transverse axis 2000
Knob 1210, the internal thread 1211 of drive knob 121 drives the screw drive section 1241 of power transmission shaft 124 reverse by proximate
Direction is moved, and riveting integral moving casing 111 with power transmission shaft 124, also inverse direction is moved, the body 1131 of membrane casing 113
Recover because the movement of movable body 1111 is reduced, the racetrack section of elongated tubular becomes the section of basic circular ring type again, recovers
To original state.
According to described previously, in this implementation, progress size change can be actually needed according to operation by 10mm thimble assembly
Change, arbitrary diameter size between 10mm-15mm can be met.Because the frequency that the thimble assembly more than 10mm is used is fewer,
So when not needing reducing, thimble assembly 10 can be used as ordinary casing component.When operation need to use it is identical
Device carries out wound and coincide or when taking out larger diseased organ (tissue), and operative doctor can more need progress reducing, this when
Wait, due to original thimble assembly 10 simply is carried out into reducing, be both not used in extra increased puncture channel, while also without
Original thimble assembly is transferred to, large-sized thimble assembly is additionally inserted into.As shown in figure 17, the thimble assembly after reducing swells
10, its section of reducing casing tube component 101 is racetrack, compared to the basic annulus of maximum gauge identical, and the present embodiment is disclosed to be covered
The wound passage that tube assembly 10 takes is smaller, simultaneously because directly carrying out horizontal expansion to patient muscle in original wound passage
, the damage of patient's wound is not resulted in, greatly reducing the pain of patient and reducing subsequently needs the time of rehabilitation.
In addition, it will be appreciated by those skilled in the art that, operative doctor is used during the thimble assembly of prior art to be led to, it is necessary to increase puncture
Road or the switching for carrying out thimble assembly, which increases the workload of operative doctor, using thimble assembly disclosed by the invention
10 can effectively reduce the working strength of operative doctor, reduce operating time.
Figure 18-21 illustrate in detail the overall structure of second embodiment of the invention puncture outfit.As shown in figure 18, thimble assembly
20 include the first seal assembly 21 and the second seal assembly 12, and the present embodiment is on the basis of first embodiment, mainly for the
The reducing drive mechanism 102 of one seal assembly 11 proposes another optional technical scheme.
Figure 19-20 depicts the composition and assembly relation of the first seal assembly 21.First seal assembly 21 is included through set
The reducing casing tube component 101 of pipe distal end 110 and the reducing drive mechanism 202 for driving its diameter change, the reducing driving machine
Structure 202 and reducing casing tube component 101 are in axial direction fixed by lower cover 104 and lower house 103 and lower retainer ring 105.Institute
Reducing casing tube component 101 is stated, reducing drive mechanism 202, lower cover 104 and lower house 103 and lower retainer ring 105 are constituted together
Reducing casing tube device 25, the change in size for realizing casing diameter.
With reference to Fig. 8 and Figure 19, the reducing drive mechanism 202 includes proximally arriving the hole that distal end passes through moving casing 111
1115 and fixed power transmission shaft 224 and driving cam 221 and guide sleeve 225.The power transmission shaft 224 proximally arrives distal end successively
Including the installation axis hole 2241 for running through the hole 2212 of driving cam 221 by axle 226, drive section in guide sleeve 225 is worn
2241, the mounting groove 2242 for installing inner seal ring 223 is driven the shaft shoulder 2243 and riveting canned paragraph 2244.This area
Technical staff is it is contemplated that moving casing 111 can use stud+nut mode, welding manner, riveting etc. with power transmission shaft 224
Conventional mechanical connection manner is fixed.In order to ensure power transmission shaft 224 be connected moving casing 111 take first chamber 23
The space of (not shown) is as far as possible small, is fixed power transmission shaft 224 and moving casing 111 using riveting method in the present embodiment.It is described
The distal end of driving cam 221 includes the cam surface 2213 of remote stomidium 2212 and first, the second cam surface 2214 of its distal end both sides with
And the cam handle 2211 of the near-end of driving cam 221.The distance of the cam surface of remote stomidium 2212 to the first 2213 is more than described
The distance of the cam surface of remote stomidium 2212 to the second 2214, and both distance difference B are substantially equal to the difference of variable-diameter.
Figure 20-21 illustrate in detail the reducing process of reducing casing tube device 25.As shown in 16, specifically, under original state,
The body 1131 of membrane casing 113 wraps the fixation body 1121 of sleeve pipe 112 and the movable body 1111 of moving casing 111
Limit and form the section with basic annulus；The cam handle 2211 rotates to distal end, second cam surface along axle 226
2214 is substantially parallel with the laminating of the outer wall of lower house 103.
When needing adjustment reducing, pull cam handle 2211 and proximally rotate about 90 degree along axle 226 from distal end, it is described
First cam surface 2213 is substantially parallel with the laminating of the outer wall of lower house 103.During this, due to the cam surface of hole 2212 to the first
2213 distance is more than the distance of the cam surface of hole 2212 to the second 2214, so driving power transmission shaft 224 in guide sleeve 225
Distally proximally direction is moved, and riveting integral moving casing 111 with power transmission shaft 124, also direction is moved, film
The body 1131 of sleeve pipe 113 is strutted because movable body 1111 moves to be swollen, and the section of basic annulus becomes racetrack
Section, now the ultimate range in the section of racetrack is the diameter dimension after reducing.
Thimble assembly 20 after needing reducing reverts to original state, pulls cam handle 2211 along axle 226 near
Hold to about 90 degree of distal end rotation, second cam surface 2214 is substantially parallel with the laminating of the outer wall of lower house 103.During this,
Because the distance of the cam surface of hole 2212 to the first 2213 is more than the distance of the cam surface of hole 2212 to the second 2214, so
Drive power transmission shaft 224 to be moved in guide sleeve 225 along proximate inverse direction, integral activity is riveted with power transmission shaft 124
Also inverse direction is moved sleeve pipe 111, and the body 1131 of membrane casing 113 recovers because the movement of movable body 1111 is reduced, carefully
The racetrack section of long tube becomes the section of basic circular ring type again, returns to original state.
It should be appreciated by those skilled in the art, the present embodiment compares first embodiment, due to only need to one pull it is dynamic
Work can be completed, and can rapidly complete maximum reducing process and 10mm thimble assemblies such as are changed into 15mm thimble assemblies, its advantage
It is essentially identical with beneficial effect and first embodiment.But the present embodiment compares first embodiment and adjusts progress by knob thread
Reducing, it has not been convenient to realize the reducing of pilot process, such as be changed into 11mm by 10mm thimble assemblies, the intermediate value such as 12mm it is straight
Footpath.
Figure 22-29 illustrate in detail the overall structure of third embodiment of the invention puncture outfit.As shown in figure 22, thimble assembly
30 include the first seal assembly 31 and the second seal assembly 12, and the present embodiment is on the basis of first embodiment, mainly for the
The reducing drive mechanism 102 and reducing casing tube component 101 of one seal assembly 11 propose another optional technical scheme.
Figure 23-24 depicts the composition and assembly relation of the first seal assembly 21.First seal assembly 31 is included through set
The reducing casing tube component 301 of pipe distal end 310 and the reducing drive mechanism 302 for driving its diameter change, the reducing driving machine
Structure 302 and reducing casing tube component 301 are in axial direction fixed by lower cover 304 and lower house 303 and lower retainer ring 105.Institute
Reducing casing tube component 301 is stated, reducing drive mechanism 302, lower cover 304 and lower house 303 and lower retainer ring 105 are constituted together
Reducing casing tube device 35, the change in size for realizing casing diameter.
As shown in figure 24, the reducing casing tube component 301 includes the moving casing 311 and fixed sleeving of two halves near symmetrical
312 and institute's moving casing 311 and fixed sleeving 312 are defined as to the membrane casing 313 with elongated tubular in an initial condition.
The moving casing 311, fixed sleeving 312 and the moving casing 111 of first embodiment, fixed sleeving 112 are roughly the same,
But in moving casing 311, the near-end of fixed sleeving 312 adds the sealing strip 3116 (3126) extended laterally out, institute respectively
State sealing strip 3116 (3126) and coordinate guarantee airproof with lower cover 304.
The body 3131 of membrane casing 313 is inserted in and wraps the fixation body 3121 and movable body of sleeve pipe 312
1111 and in fixed sleeving 312 and the movable seam crossing of body 1111 formation fold 3131；The diameter of the body 3131 is more than solid
The diameter that the combination of movable body 3111 of fixed tube body 3121 and moving casing 311 is formed.The body 3131 also includes its near-end
Opening 3134, and laterally extend from proximal openings 3134 to distal end U-shaped revolving body 3132.The membrane casing of this implementation
313 compared with the membrane casing 113 of first embodiment, and membrane casing 313 is made of semirigid thin-film material.In reducing mistake
Cheng Zhong, the body 3131 of the membrane casing 313 will not occur elastic deformation or only occur slight elastic deformation, reducing increase
Part, relies primarily on and is compressed in the fold 3131 of fixed sleeving 312 and the movable seam crossing of body 1111 and unfolds to be formed.
With reference to shown in Figure 23-24, the reducing drive mechanism 302 includes proximally arriving distal end through moving casing 311
Hole 3115 and the power transmission shaft 324 and drive knob 321 being secured to.The power transmission shaft 324 includes proximally arriving distal end internal thread
Hole 3241, for installing the mounting groove 3242 of inner seal ring 123 and being welded and fixed section 3244.Those skilled in the art can be with
Expect, moving casing 311 and power transmission shaft 324 can use stud+nut mode, and welding manner, the machinery that riveting etc. is commonly used connects
The mode of connecing is fixed.Power transmission shaft 324 and moving casing 311 are fixed using welding manner in the present embodiment.The driving rotation
Button 321 includes distal end stud 3213, the knob 3210 of the near-end of drive knob 321.The stud 3213 of the drive knob 321 is with passing
The internal thread hole 3241 of moving axis 324 cooperatively forms screw-driven.The reducing drive mechanism 302 of the present embodiment and first embodiment
Reducing drive mechanism 102 is all the stud 3213 using stud+internal thread hole formation screw-driven, mainly drive knob 321
Exchanged with the internal thread hole 3241 of power transmission shaft 324.The drive knob 321 passes through snap and the edge of lower house 303
The back-off 331 that transverse axis 2000 extends is limited, and can be rotated around the groove 322 of the inner side of 303 back-off of lower house 331.
As Figure 24-29 illustrate in detail the reducing process of reducing casing tube device 35.As shown in 24-26, specifically, initial shape
Under state, the body 3131 of membrane casing 313 is wrapped in the activity of the fixation body 1121 and moving casing 111 of fixed sleeving 112
The outer wall of body 1111, and in fixed sleeving 312 and the movable seam crossing of body 1111 formation fold 3135；
When needing adjustment reducing, turned clockwise knob 3210 along transverse axis 2000, drive knob 321 is around the groove 322 of lower house 303
Rotation, the stud 3213 of drive knob 321 drives the internal thread hole 3241 of power transmission shaft 324 by distal end proximally direction shifting
Dynamic, also direction is moved the moving casing 311 welded with power transmission shaft 324.Because membrane casing 313 is by semi-rigid material
It is made, during reducing, the body 3131 of the membrane casing 313 will not occur elastic deformation or only occur slight elasticity
Deformation, thus membrane casing 313 body 3131 unfold into as its positive mobile fold 3135 of moving casing 311 is softened it is near
Like plane, the elongated tube section of the reducing casing tube component 301 becomes racetrack by approximate circular ring type, now the annulus of racetrack
The ultimate range in section is the diameter dimension after reducing.
Thimble assembly 30 after needing reducing reverts to original state, along the rotate counterclockwise knob of transverse axis 2000
3210, drive knob 321 rotates around the groove 322 of lower house 303, and the stud 3213 of drive knob 321 drives the interior spiral shell of power transmission shaft 324
Pit 3241 is moved by proximate inverse direction, and the moving casing 311 welded with power transmission shaft 324 also move by inverse direction
It is dynamic.Because membrane casing 313 is made up of semi-rigid material, during reducing, the body 3131 of the membrane casing 313 will not
Occur elastic deformation or only occur slight elastic deformation, thus membrane casing 313 body 3131 with moving casing 311 it is anti-
Fold is reverted to by extended position to its mobile fold 3135, the elongated tube section of the reducing casing tube component 301 is by approximately running
Channel type becomes circular ring type, returns to original state.
It should be appreciated by those skilled in the art the present embodiment compares first embodiment, its advantage and beneficial effect and
One embodiment is roughly the same, is not repeated herein.
Moving casing and the fixed sleeving composition for the two halves near symmetrical that reducing casing tube component disclosed by the invention is used become
Footpath thimble assembly, it should be appreciated by those skilled in the art be also using 3 half or more sleeve pipe composition reducing casing tube component
The scope of protection of the invention, while description of the present invention to moving casing and fixed sleeving should not limit that moving casing can only be used
And fixed sleeving, such as fixed sleeving also can be replaced moving casing, that is, two moving casings be formed, by two reducing driving machines
Structure drives two moving casing movements in opposite direction, realizes the reducing of puncture outfit casing tube component.
The many different embodiments and example of the present invention are had shown and described.One ordinary skill of this area
Personnel, without departing from the scope of the invention, adaptive improvement can be made by suitably modified to methods described and apparatus.
Several kinds of amendment schemes are referred, for those skilled in the art, and other amendment schemes are also what is be contemplated that.
Therefore the scope of the present invention should be according to accessory claim, while being understood not to be shown and recorded by specification and accompanying drawing
Structure, the particular content of material or behavior limited.
Claims (9)
1. a kind of reducing casing tube device, including reducing casing tube component, lower cover and lower house, the lower cover and lower house will become
Footpath thimble assembly is fixedly clamped, it is characterised in that：
The reducing casing tube component includes at least moving casing and fixed sleeving of two halves near symmetrical and wraps up the activity
The membrane casing of sleeve pipe and fixed sleeving, the moving casing, fixed sleeving accommodate operating theater instruments with membrane casing composition
The hollow channel of turnover；
Also include reducing drive mechanism, the moving casing is done closer or far from vertical in the presence of reducing drive mechanism along transverse axis
The linear motion of axle.
2. casing bit as claimed in claim 1, it is characterised in that：The reducing casing tube component includes original state and swollen
State：Under the original state, the lateral cross section of moving casing and the fixed sleeving formation with basic annulus；It is described to swell
Under state, the moving casing moves laterally away from the longitudinal axis, forms the lateral cross section with the racetrack annulus swollen.
3. casing bit as claimed in claim 1, it is characterised in that：The reducing drive mechanism includes power transmission shaft and driving is revolved
Button, the power transmission shaft includes the canned paragraph that the screw drive section of its power transmission shaft near-end and its distal end are connected with moving casing；
The drive knob is included from the knob for running through its internal thread hole and its near-end outside；The internal thread hole and biography of the drive knob
The screw drive section of moving axis cooperatively forms screw-driven.
4. casing bit as claimed in claim 1, it is characterised in that：The reducing drive mechanism includes power transmission shaft and driving is revolved
Button, the power transmission shaft includes the canned paragraph that the internal thread hole of its power transmission shaft near-end and its distal end are connected with moving casing；Institute
Stating drive knob includes the knob of stud and its near-end from its distal end；The stud of the drive knob and the internal thread of power transmission shaft
Hole cooperatively forms screw-driven.
5. casing bit as claimed in claim 1, it is characterised in that：The reducing drive mechanism includes power transmission shaft and driving is revolved
Button, the power transmission shaft includes the canned paragraph that the internal thread hole of its power transmission shaft near-end and its distal end are connected with moving casing；Institute
Stating drive knob includes the knob of stud and its near-end from its distal end；The stud of the drive knob and the internal thread of power transmission shaft
Hole cooperatively forms screw-driven.
6. casing bit as claimed in claim 1, it is characterised in that：The reducing drive mechanism includes power transmission shaft, drives convex
Take turns and for limiting the guide sleeve that power transmission shaft is moved along transverse axis；The power transmission shaft near-end includes axis hole, the axis hole and driving
The remote stomidium of cam is connected by axle makes it to be pivoted, and the canned paragraph of the power transmission shaft distal end is connected solid with moving casing
It is fixed；Second cam surface of first cam surface of the driving cam comprising its distal end and its distal end both sides, the remote stomidium to the
The distance of one cam surface is more than the remote stomidium to the distance of the second cam surface.
7. casing bit as claimed in claim 1, it is characterised in that：The moving casing and fixed sleeving are by metal material system
Into the moving casing and fixed sleeving by a round metal tube by punching press one-shot forming or by cutting into symmetrical two
Part.
8. casing bit as claimed in claim 1, it is characterised in that：The membrane casing material includes flexible material or elasticity
Material is made.
9. a kind of puncture outfit, comprising thimble assembly and through the puncture needle of thimble assembly, it is characterised in that：Described sleeve pipe component bag
The casing bit as described in claim 1-8 is any is included, casing bit also includes lower retainer ring, the lower house and lower retainer ring
Be fixedly clamped membrane casing, and described sleeve pipe component includes Duckbill seal is constituted into the fixed to described sleeve pipe device by upper retainer ring
One seal assembly, and the second seal assembly snapped connection with the first seal assembly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410223.9A CN107049438B (en) | 2017-06-03 | 2017-06-03 | A kind of reducing casing tube device and puncture outfit |
| CN201811611526.8A CN109602484B (en) | 2017-06-03 | 2017-06-03 | Reducing sleeve device and puncture outfit |
| PCT/CN2018/075810 WO2018218991A1 (en) | 2017-06-03 | 2018-02-08 | Variable-diameter cannula device and puncturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410223.9A CN107049438B (en) | 2017-06-03 | 2017-06-03 | A kind of reducing casing tube device and puncture outfit |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811611526.8A Division CN109602484B (en) | 2017-06-03 | 2017-06-03 | Reducing sleeve device and puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049438A true CN107049438A (en) | 2017-08-18 |
| CN107049438B CN107049438B (en) | 2019-02-12 |
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ID=59615633
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811611526.8A Active CN109602484B (en) | 2017-06-03 | 2017-06-03 | Reducing sleeve device and puncture outfit |
| CN201710410223.9A Active CN107049438B (en) | 2017-06-03 | 2017-06-03 | A kind of reducing casing tube device and puncture outfit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811611526.8A Active CN109602484B (en) | 2017-06-03 | 2017-06-03 | Reducing sleeve device and puncture outfit |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN109602484B (en) |
| WO (1) | WO2018218991A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096689A (en) * | 2017-12-11 | 2018-06-01 | 陈永忠 | The adjustable medical operation sheath of caliber |
| WO2018218991A1 (en) * | 2017-06-03 | 2018-12-06 | 成都五义医疗科技有限公司 | Variable-diameter cannula device and puncturing device |
| WO2019046940A1 (en) * | 2017-09-06 | 2019-03-14 | Xpan Inc. | Radially expandable cannula system |
| CN109771055A (en) * | 2019-02-26 | 2019-05-21 | 宁波胜杰康生物科技有限公司 | A kind of novel multi-channel operating platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110051412A (en) * | 2019-05-10 | 2019-07-26 | 常州平康医疗科技有限公司 | Safe puncture outfit |
| CN110251744B (en) * | 2019-06-25 | 2021-06-08 | 郑州大学第一附属医院 | Drainage device is used in hepatobiliary branch of academic or vocational study nursing |
| CN110464389B (en) * | 2019-08-21 | 2020-12-18 | 青岛幔利橡树医疗科技有限公司 | Fetching device for laparoscopic surgery |
| CN113576620A (en) * | 2020-08-17 | 2021-11-02 | 重庆橙壹科技有限公司 | Puncture tube assembly comprising framework tube and locking piece and using method thereof |
| CN113229905A (en) * | 2020-08-17 | 2021-08-10 | 重庆橙壹科技有限公司 | Puncture tube assembly comprising thin film tube and skeleton tube |
| CN112656489B (en) * | 2020-12-25 | 2022-11-11 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Variable-diameter puncture device |
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| CN109602484A (en) * | 2017-06-03 | 2019-04-12 | 成都五义医疗科技有限公司 | A kind of reducing casing tube device and puncture outfit |
| CN109602484B (en) * | 2017-06-03 | 2023-06-23 | 成都五义医疗科技有限公司 | Reducing sleeve device and puncture outfit |
| WO2019046940A1 (en) * | 2017-09-06 | 2019-03-14 | Xpan Inc. | Radially expandable cannula system |
| CN108096689A (en) * | 2017-12-11 | 2018-06-01 | 陈永忠 | The adjustable medical operation sheath of caliber |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107049438B (en) | 2019-02-12 |
| CN109602484A (en) | 2019-04-12 |
| CN109602484B (en) | 2023-06-23 |
| WO2018218991A1 (en) | 2018-12-06 |
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