CN107049438B - A kind of reducing casing tube device and puncture outfit - Google Patents
A kind of reducing casing tube device and puncture outfit Download PDFInfo
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- CN107049438B CN107049438B CN201710410223.9A CN201710410223A CN107049438B CN 107049438 B CN107049438 B CN 107049438B CN 201710410223 A CN201710410223 A CN 201710410223A CN 107049438 B CN107049438 B CN 107049438B
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- casing
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- moving
- transmission shaft
- fixed sleeving
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
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- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of reducing casing tube device and puncture outfits, including reducing casing tube component, lower cover plate and lower case, reducing casing tube component is fixedly clamped by the lower cover plate and lower case, the reducing casing tube component includes that at least membrane casing of the moving casing and fixed sleeving of two halves near symmetrical and the package moving casing and fixed sleeving, the moving casing, fixed sleeving and membrane casing composition accommodates the hollow channel of surgical instrument disengaging；It further include variable diameter driving mechanism, the moving casing does the linear motion close to or far from the longitudinal axis under the action of variable diameter driving mechanism along horizontal axis.
Description
Technical field
The present invention relates to Minimally Invasive Surgery instrument more particularly to a kind of puncture outfit structures.
Background technique
Puncture outfit is (especially hard tube endoscope-assistant surgery) in a kind of Minimally Invasive Surgery, for establishing the artificial channel for entering body cavity
Surgical instrument.Usually it is made of sheath assembly and puncture needle.Its clinical general usage mode are as follows: first cut on patient skin
Osculum is opened, then puncture needle is run through into sheath assembly, however penetrates stomach wall through skin opening together and enters body cavity.Once into body
Puncture needle is removed after chamber, leaves channel of the sheath assembly as instrument disengaging body cavity.
In hard tube endoscope-assistant surgery, especially in laparoscopic surgery, the pneumoperitoneum apparatus perfusion lasting to abdominal cavity of patients is generallyd use
Gas (such as carbon dioxide gas) simultaneously maintains stable air pressure (about 13~15mmHg), empty to obtain enough surgical procedures
Between.For sheath assembly usually by casing, shell seals film (also known as instrument seal) and zero sealing (also known as automatic-sealed) composition.Institute
It states casing to penetrate outside body cavity to body cavity, the channel as instrument disengaging body cavity.The shell is by casing, zero sealing and seals
Film connects into a sealing system.Zero sealing is generally not provided the sealing for insertion instrument, and certainly when instrument is removed
It is dynamic to close and form sealing.The sealing film banding instrument and forms sealing when instrument is inserted into.
In a kind of typical gall-bladder endoscopic surgery, 4 puncture channels, i.e. 2 small internal diameters usually are established in patient's stomach wall
Sheath assembly (usual 5mm) and 2 large diameter sheath assemblies (usual 10mm).Usually enter patient via small internal diameter sheath assembly
Intracorporal instrument is only completed auxiliary operation；One of large diameter sheath assembly is as endoscope path way；And another large diameter
The main thoroughfare that sheath assembly is performed the operation as doctor.Main thoroughfare described herein, about 80% time apply 5mm instrument；
About 20% time applies other major diameter instruments；And 5mm instrument and major diameter instrument need frequent switching in operation.Using small straight
Diameter appliance time longest, sealing reliability are more important；Using be often when major diameter instrument operation in critical stage (such as
Vessel sealing and tissue suture), switch convenience and operating comfort is more important.
With carrying out extensively in gynaecology and division of gastroenterology field for laparoscopic surgery, the type of operation is more and more abundant, for
The demand of puncture outfit also highlights diversification.Such as it needs to be inserted by puncture outfit to patient's body in a kind of typical gut surgery
The stapler of 15mm, however usually the main thoroughfare is 10mm or 12mm puncture outfit, needs additionally to establish wearing for a 15mm
Transfixation road.Such as need to establish the puncture channel of 15mm in a kind of typical gynecological surgery convenient for taking out the uterus group cut down
It knits, however usually the main thoroughfare is 10mm or 12mm puncture outfit, needs additionally to establish the puncture channel of a 15mm.It is aforementioned
It is identical to be inserted into if puncture channel diameter can easily switch in 10mm (12mm) to 15mm diameter in two kinds of surgical scenes
Device coincide or take out larger diseased organ (tissue), then can reduce additional puncture channel, reduces the damage for patient.
Up to the present, there are no the puncture outfits of this type.
Summary of the invention
It is of the invention to propose a kind of reducing casing tube device in order to solve the problems, such as the one or more of background technique, including
Reducing casing tube component is fixedly clamped by reducing casing tube component, lower cover plate and lower case, the lower cover plate and lower case, in which: institute
State reducing casing tube component include at least the moving casing and fixed sleeving of two halves near symmetrical and the package moving casing and
The membrane casing of fixed sleeving, the moving casing, fixed sleeving and membrane casing composition accommodate surgical instrument disengaging
Hollow channel；Further include variable diameter driving mechanism, the moving casing under the action of variable diameter driving mechanism along horizontal axis do it is close or
Linear motion far from the longitudinal axis.
In a kind of implementation of the invention, wherein the reducing casing tube component includes original state and the state that swells: institute
It states under original state, the moving casing and fixed sleeving form the transversal cross-section with basic annulus；It is described to swell under state,
The moving casing moves laterally away from the longitudinal axis, forms the transversal cross-section with the racetrack annulus to swell.
In a kind of implementation of the invention, wherein the variable diameter driving mechanism includes transmission shaft and drive knob, described
Transmission shaft includes the screw drive section of its transmission shaft proximal end and the fixed section that its distal end is connected and fixed with moving casing；The driving
Knob includes from outside through the knob of its internal thread hole and its proximal end；The internal thread hole of the drive knob and the spiral shell of transmission shaft
Line drive section cooperatively forms screw-driven.
In a kind of implementation of the invention, wherein the variable diameter driving mechanism includes transmission shaft and drive knob, described
Transmission shaft includes the internal thread hole of its transmission shaft proximal end and the fixed section that its distal end is connected and fixed with moving casing；The driving rotation
Button includes the knob of the stud and its proximal end from its distal end；The stud of the drive knob and the internal thread hole of transmission shaft cooperate shape
At screw-driven.
In a kind of implementation of the invention, wherein the variable diameter driving mechanism includes transmission shaft and drive knob, described
Transmission shaft includes the internal thread hole of its transmission shaft proximal end and the fixed section that its distal end is connected and fixed with moving casing；The driving rotation
Button includes the knob of the stud and its proximal end from its distal end；The stud of the drive knob and the internal thread hole of transmission shaft cooperate shape
At screw-driven.
In a kind of implementation of the invention, wherein the variable diameter driving mechanism includes transmission shaft, drives cam and use
In the guide sleeve that restriction transmission shaft is moved along horizontal axis；The transmission shaft proximal end includes axis hole, and the axis hole is remote with driving cam
Stomidium is connected by axis be pivoted axis hole can, and the fixed section of the transmission shaft distal end is connected and fixed with moving casing；It is described
Driving cam includes the first cam surface of its distal end and the second cam surface of its distal end two sides, the remote stomidium to the first cam surface
Distance be greater than the remote stomidium to the second cam surface distance.
In a kind of implementation of the invention, wherein the moving casing and fixed sleeving are made of metal material, described
Moving casing and fixed sleeving are by punching press one-pass molding or by the way that a round metal tube is cut into symmetrical two parts.
In a kind of implementation of the invention, wherein the material of the membrane casing includes flexible material or elastic material.
Another object of the present invention proposes a kind of puncture outfit, comprising sheath assembly and through the puncture needle of sheath assembly,
In, described sleeve pipe component includes the casing bit, and casing bit also includes lower fixed ring, the lower case and lower fixed ring
Be fixedly clamped membrane casing, and described sleeve pipe component includes that Duckbill seal is fixed to described sleeve pipe device by upper fixed ring to form the
One seal assembly, and the second seal assembly snapped connection with the first seal assembly.
Detailed description of the invention
In order to more fully understand essence of the invention, it is described in detail below in conjunction with attached drawing, in which:
Fig. 1 is a kind of abdomen puncture position simulation schematic diagram of typical laparoscopic surgery；
Fig. 2 is the stereoscopic schematic diagram of first embodiment of the invention sheath assembly；
Fig. 3 is the three-dimensional partial sectional view of Fig. 2 described sleeve pipe component；
Fig. 4 is the exploded view of the second seal assembly described in Fig. 2；
Fig. 5 is the cross-sectional view after the assembly of seal assembly described in Fig. 4；
Fig. 6 is the first seal assembly stereoscopic schematic diagram 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 stereoscopic schematic diagram of Fig. 7 lower case；
Figure 11 is the schematic diagram that reducing casing tube component shown in Fig. 9 is packed into lower case；
Figure 12 is partial sectional view shown in Figure 11；
Figure 13 is lower cover plate stereoscopic schematic diagram shown in Fig. 7；
Figure 14 is the schematic diagram that reducing casing tube component shown in Figure 11 is packed into lower cover plate；
Figure 15 is that the first seal assembly shown in Fig. 3 swells state cross-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 diagram shown in Figure 15；
Figure 18 is the stereoscopic schematic diagram of second embodiment sheath assembly；
Figure 19 is the partial exploded view of reducing casing tube device shown in Figure 18；
Figure 20 is the cross-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 cross-sectional view of state；
Figure 22 is the stereoscopic schematic diagram of third embodiment sheath assembly；；
Figure 23 is the partial exploded view of reducing casing tube device shown in Figure 22；
Figure 24 is the cross-sectional view of the first seal assembly original state shown in Figure 22；
Figure 25 is 25-25 cross-sectional view 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 cross-sectional view of state；
Figure 28 is 28-28 cross-sectional view shown in Figure 27；
Figure 29 is the enlarged diagram of circle 29 shown in Figure 28；
In all views, identical label indicates equivalent part or component.
Specific 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 restrictive, and
It is the basis only as claim, and how uses basis of the invention as introduction those skilled in the art.
With reference to Fig. 1-3, for convenience of stating, the side of subsequent all Proximity operation persons is defined as proximal end, and far from operator
One side is defined as distal end, and the central axis for defining sheath assembly 10 is the longitudinal axis 1000, and the direction of subsequent all substantially parallel longitudinal axis claims
For axial direction, the central axis that subsequent all directions for being approximately perpendicular to the longitudinal axis are known as laterally defining variable diameter driving mechanism 102 is horizontal axis
2000, proximally it is known as forward direction along 2000 distal end of horizontal axis, is moved along 2000 proximate of horizontal axis referred to as reversed.
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) respectively penetrate in patient abdominal cavity 6, coincide when needing to carry out wound using stapler 5 or take out larger diseased organ
When (tissue), it usually needs the sheath assembly of 15mm is operated, and Minimally Invasive Surgery operation how long, the casing of 10mm
Component can satisfy requirement completely.It should be appreciated by those skilled in the art in order to reduce the wound size of patient and subtract
Few additional puncture channel can be great if puncture channel diameter can easily switch in 10mm (12mm) to 15mm diameter
Operative doctor is facilitated to operate and reduce the damage for patient.
The overall structure of first embodiment of the invention puncture outfit is illustrated in detail in Fig. 2-17.As shown in fig. 3 to 7, a kind of typical case
Puncture outfit includes 50 (not shown) of puncture needle and sheath assembly 10.Sheath assembly 10 has open proximal end 192 and open set
Pipe distal end 111.In the typical application of one kind, puncture needle 50 runs through sheath assembly 10, then penetrates together through skin opening whole
A stomach wall enters body cavity.Once puncture needle 50 is removed and leaves sheath assembly 10 as instrument disengaging body cavity into body cavity
Channel.The proximal end 192 is in the patient distal end 110 and is in patient's body.A kind of preferred sheath assembly 10, can
It is divided into the first seal assembly 11 and the second seal assembly 12.The card slot 119 of the component 11 and the hook of the component 12
162a cooperation fastening.The cooperation of the hook 162a and card slot 139 is the quick locking structure that singlehanded can quickly split.This mainly for
Facilitate the tissue or foreign matter for taking out patient's body when operation.There are many realize for fast lock connection between the component 11 and component 12
Mode.In addition to the structure that the present embodiment is shown, threaded connection, rotary buckle or other quick locking structures also can be used.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 variable diameter driving mechanism 102 for driving its diameter change, the variable diameter driving
Mechanism 102 and reducing casing tube component 101 are in axial direction fixed by lower cover plate 104 and lower case 103 and lower fixed ring 105.
The lower case 103 has the inner wall 148 of support Duckbill seal.The flange 176 of Duckbill seal 107 is sandwiched in the inner wall 148
Between upper fixed ring 106.There are many fixed forms between fixed ring 106 and lower case 103, and interference can be used and match
It closes, ultrasonic bonding, is glued, buckle the modes such as fixed.4 mounting posts 161 of upper fixed ring 106 and institute described in the present embodiment
4 mounting holes 147 interference fit of lower case 103 is stated, this interference fit makes Duckbill seal 107 be in compressive state.It is described
Reducing casing tube component 101, variable diameter driving mechanism 102, inner wall 148, Duckbill seal 107 and intake valve (not shown) collectively constitute
First chamber 13, the first chamber 13 form gas handling system channel, while being also the channel of instrument disengaging body cavity.This implementation
In example, the Duckbill seal 107 is single seam, but other kinds of closure valve also can be used, including tongue type valve, mostly seam duckbilled
Valve.When external device runs through the Duckbill seal 107, duckbilled 173 can open, but it is generally not provided relative to described
Instrument is fully sealed.When the instrument is removed, the duckbilled 173 is closed automatically, to prevent the stream in first chamber 13
Body is revealed to external.The reducing casing tube component 101, variable diameter driving mechanism 102, lower cover plate 104 and lower case 103 and lower solid
Determine ring 105 and form reducing casing tube device 15 together, for realizing the change in size of casing diameter.
Fig. 3-5 depicts the composition and assembly relation of the second seal assembly 12.Sealing membrane modules 108 be clipped in upper cover 106a and
Between upper housing 109.The proximal end 182 of the sealing membrane modules 108 is fixed on the inner ring 166a of the upper cover 106a and described
Between the inner ring 196 of upper housing 190.There are many fixed forms between the upper housing 190 and upper cover 106a, and interference can be used
The modes such as cooperation, ultrasonic welding are glued, and buckle is fixed.The present embodiment shows the shell for the upper housing 190 that connection type is
It is fixed between 191 and the shell 161a of the upper cover 106a by ultrasonic bonding.This fixation is so that the sealing membrane modules
108 proximal end 182 is in compressive state.The centre bore 163 of the upper cover 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 sealing film
180 and protective device 181.The protective device 181 is embedded in the sealing film 180.The size of the protective device 181 and
Configuration design is interfered at the inside that may be mounted at the sealing film 180 without generating with the sealing film 180.The protection dress
It sets 181 to move together or float with sealing film 180, for protecting the centre of the sealing film 180, protects it from insertion
Perforation caused by the sharp edge of surgical instrument is torn.The sealing film 180 is usually by natural rubber, silica gel, isoprene rubber etc.
Elastic material is made；The protective device 181 is usually by thermoplastic elastomer (TPE), polypropylene, polyethylene, gather the rigidity such as record ethylene 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, variable diameter driving mechanism 102, lower cover plate 104 and lower case 103 and lower fixed ring 105 form together.Under described
The reducing casing tube component 101 and variable diameter driving mechanism 102 are fixedly clamped by fixed ring 105, lower cover plate 104 and lower case 103.
As Figure 8-9, the reducing casing tube component 101 includes the moving casing 111 and fixing sleeve 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 the initial state
113.The moving casing 111 includes the movable tube body that semicircular moving casing distal end 1110 and proximally extended by it
1111, the activity 1111 proximal end semicircle of tube body extends 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 tube body 1121 proximally extended by it, the fixed 1121 proximal end semicircle of tube body extend laterally outward and fixed sleeving arc
Face the wall and meditate 1122 and fixing sleeve tube wall 1123 form U-shaped face be crossed to form wall 1126.The moving casing 111 and fixed sleeving
112 along approximately axially mirror symmetry, and sets respectively in the movable sleeve tube wall 1113 and 1123 proximal end of fixing sleeve tube wall to contact with each other
Set the spacing bayonet 1114 (1124) of L-type.The moving casing cambered surface wall 1112 of the moving casing 111 further includes solid for installing
Determine the hole 1115 of variable diameter driving mechanism 102.Packaged tube is organized in the moving casing distal end 1110 and fixed sleeving distal end 1120 together
Component remote 110.
The tube body 1131 of membrane casing 113 is inserted in and wraps tube body 1121 and movable tube body 1111 limits formation and has
The section of basic annulus；The diameter that the diameter of tube body 1131 is less than fixed tube body 1121 and the movable combination of tube body 1111 is formed.Institute
It states fixed sleeving cambered surface wall 1122, fixing sleeve tube wall 1123 and moving casing cambered surface wall 1112 and movable sleeve tube wall 1113 forms
Racetrack section.The tube body 1131 includes its proximal openings 1134, and from proximal openings 1134 to distally laterally extending U
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 answers
This is known, in order to occupy 101 slender casing outer diameter space of reducing casing tube component less as far as possible, while guaranteeing preferable intensity, film
Casing 113 is blow molded using the thin-film material of elasticity, such as the thin-film materials such as PET, PP, PC.113 thickness of membrane casing
Usually take 0.1mm to 0.5mm.Another optional technical solution, as shown in Figure 25 and Figure 28, membrane casing 101a is using flexible
Thin-film material be blow molded, such as thin-film materials such as PET, PP, PC.During variable diameter, the membrane casing 101a will not
Flexible deformation occurs or slight flexible deformation only occurs, variable diameter increases part, relies primarily on and is compressed in 111 He of institute's moving casing
The fold of 112 seam crossing of fixed sleeving unfolds to be formed.
The moving casing 111 and fixed sleeving 112 pass through punching press one-pass molding by foil material.Art technology
Personnel it should be understood that the metal material that the moving casing 111 and fixed sleeving 112 use include with good ductility and compared with
The stainless steel alloy material of high shaping strength, while other are suitble to punching presses and meet the alloy material of bio-compatibility can also to answer
For the present invention.In order to guarantee 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 tube body 1121 of movable tube body 1111 and fixed sleeving 112 can with the reinforcing rib of punch forming convex or increase its thickness
Degree is also the scope of protection of the invention.Another technical solution, the moving casing 111 and fixed sleeving 112 are by a circle
Cuts in metallic pipe is formed at symmetrical two parts.
Variable diameter driving mechanism 102 described in reference diagram 8 includes proximally arriving distal end to pass through the hole 1115 of moving casing 111 and consolidate
Fixed transmission shaft 124 and drive knob 121.It successively includes screw drive section 1241 that the transmission shaft 124, which proximally arrives distal end, is used
In the mounting groove 1242 of installation inner seal ring 123, it is driven the shaft shoulder 1243 and riveting fixed section 1244.Those skilled in the art
It is contemplated that moving casing 111 and transmission shaft 124 can also use stud+nut mode, welding manner, riveting etc. is commonly
Mechanical connection manner is fixed.In order to guarantee that transmission shaft 124 is connected and fixed the space that moving casing 111 occupies first chamber 13
It is small as far as possible, it is using riveting method that transmission shaft 124 and moving casing 111 is fixed in the present embodiment.The drive knob 121 includes
From running through its internal thread hole 1213 outside, the knob 1210 of 121 proximal end of drive knob, and for installing exterior seal ring 122
Mounting groove 1212.The internal thread hole 1213 of the drive knob 121 and the screw drive section 1241 of transmission shaft 124 cooperatively form spiral shell
Line transmission.
As shown in Figure 10, the lower case 103 includes that can penetrate the hole 138 of reducing casing tube component 101, limits fixed sleeving
112, laterally along the first mobile inner wall 137, limit the second inner wall 136 and first, second of 111 transverse shifting of moving casing
Inner wall extends transversely straight the third inner wall 135 to be formed.The distance between described first, second inner wall is greater than drill holder after combination
The length of tube assembly 101 fixing sleeve tube wall 1123 and movable sleeve tube wall 1113, difference are substantially equal to variable-diameter value B.As before
Content to be stated to mention, usual operative doctor usually requires to switch in the sheath assembly of 10mm -15mm, in order to meet this needs,
Variable-diameter value B >=5mm, the B=5mm of variable-diameter value described in the present embodiment.
First inner wall, 137 shape is matched with the fixed sleeving cambered surface wall 1122 of fixed sleeving 112, second inner wall
136 match with the moving casing cambered surface wall 1112 of fixed sleeving 111.First, second, and third inner wall 137 (136,135) with by
Its seam allowance outer wall deviated outward forms rabbet groove 130 together.The lower case 103 further includes limiting 122 outer rim of exterior seal ring
External seal ring recess 134, limit drive knob 121 U-shaped outer wall 133 and surrounding arrangement connecting hole 132.Such as Fig. 7 institute
Show, the lower fixed ring 105 includes the hole 152 slightly larger than 113 tube body 1131 of membrane casing, and is matched with 103 interference of lower case
Close the fixed column 151 being connected and fixed.The lower fixed ring 105 further includes the boss 153 extended by 152 proximal end of hole.The boss
153 in lower case 103 and fixed lower fixed ring 105, the stationary plane 1133 for the membrane casing 103 that is fixedly clamped.
As shown in figure 13, lower cover plate 104 includes the through-hole 148 for passing through instrument, and axial by 104 distal end of lower cover plate
Extend and the matched seam allowance wall 140 of 103 rabbet groove of lower case 130.Extend on the inside of the seam allowance wall 140 for limiting spacing bayonet
The limit rib 145 of 1114 (1124).Lower cover plate 104 further includes the connecting column 142 for being inserted into 103 connecting hole 132 of lower case, and the two
Form interference fit.External seal ring recess 144 is arranged with corresponding 103 external seal ring recess 134 of lower case in the lower cover plate 104, described
External seal ring recess 134 (144) limits exterior seal ring 122 with mounting groove 1212 together, plays sealing function.Outside lower cover plate 104
Wall 143 and U-shaped outer wall 133 limit 121 laterally outward displacement of drive knob 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 is first fixed the moving casing 111 and the riveting of transmission shaft 124, then
The fixed sleeving 112 and moving casing 111 that would be combined into basic casing from sheath assembly distal end 110 are nested into membrane casing 113
The interior and proximal end up to being set to fixed sleeving 112 and moving casing 111, and expose 110 (such as Fig. 8-9) of sheath assembly distal end；
S2: variable diameter driving mechanism 102 is installed, and inner seal ring 123 and exterior seal ring 122 are inserted in 124 He of transmission shaft respectively
On drive knob 121, and the internal thread hole of drive knob 121 1213 is directed at the screw drive section 1241 of transmission shaft 124 and is revolved
It rotates button 1210 to connect the two, completes the installation (such as Fig. 8-9) of variable diameter driving mechanism 102；
S3: successively by lower cover plate 104, lower case 103 completes the reducing casing tube component 101 and lower fixation that S2 step is assembled
Ring 105 assembles in place (such as Figure 12,14).
The boss 153 of the lower fixed ring 105 is fixedly clamped the stationary plane 1133 of membrane casing 103, by membrane casing 112
It is fixed；The connecting column 142 of lower cover plate 104 is inserted into 103 connecting hole 132 of lower case and forms interference fit, the seam allowance wall of lower cover plate 104
In the rabbet groove 130 of 140 insertion lower cases 103, lower cover plate 104 and lower case 103 limit reducing casing tube component 101 and variable diameter drive
The displacement of 102 axial direction of motivation structure.The limit rib 145 of lower cover plate 104 limits spacing bayonet 1124 simultaneously, with second and third
Inner wall 136 (135) limits the fixed sleeving 112 along the displacement of 2000 direction of horizontal axis and the transverse direction vertical with horizontal axis 2000 together
Direction displacement.Second inner wall 136 limits the transverse direction vertical with horizontal axis 2000 of moving casing 111 and is displaced, due to described first,
The distance between second inner wall be greater than 101 fixing sleeve tube wall 1123 of reducing casing tube component 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 2000 direction of horizontal axis by rotation knob 1210, movement
Range is substantially equal to the difference B of variable-diameter.
As the variable diameter process of reducing casing tube device 15 is illustrated in detail in Figure 15-17.As shown in 15-16, specifically, initial shape
Under state, the tube body 1131 of membrane casing 113 wraps the fixation tube body 1121 of casing 112 and the adjustable pipe of moving casing 111
Body 1111 limits the section for being formed and having basic annulus；
When needing to adjust variable diameter, knob 1210, the internal screw thread 1211 of drive knob 121 are rotated clockwise along horizontal axis 2000
It drives the screw drive section 1241 of transmission shaft 124 by distally proximally direction is mobile, rivets integrated work with transmission shaft 124
Also direction is mobile for dynamic casing 111, and the tube body 1131 of membrane casing 113 is swollen since movable tube body 1111 is mobile to be strutted,
The section of the basic circular ring type of elongated tubular becomes racetrack section, and the maximum distance in racetrack section is the diameter after variable diameter at this time
Size.
Sheath assembly 10 after needing variable diameter reverts to original state, need to only rotate along the hour hands counterclockwise of horizontal axis 2000
The internal screw thread 1211 of knob 1210, drive knob 121 drives the screw drive section 1241 of transmission shaft 124 reversed by proximate
Direction is mobile, and riveting integrated moving casing 111 with transmission shaft 124, also inverse direction is mobile, the tube body 1131 of membrane casing 113
Due to the mobile reduced recovery of movable tube body 1111, the racetrack section of elongated tubular becomes the section of basic circular ring type again, restores
To original state.
According to described previously, in this implementation, it can be actually needed according to operation by the sheath assembly of 10mm and carry out size change
Change, can satisfy arbitrary diameter size between 10mm-15mm.Since the frequency that the sheath assembly greater than 10mm uses is fewer,
So when not needing variable diameter, sheath assembly 10 can be used as ordinary casing component carry out using.When operation is needed using identical
Device carries out that wound coincide or when taking out larger diseased organ (tissue), operative doctor can more need to carry out variable diameter, this when
It waits, since original sheath assembly 10 is only carried out variable diameter, is neither used in additional increased puncture channel, while also not needing
Original sheath assembly is transferred to, large-sized sheath assembly is additionally inserted into.As shown in figure 17, the sheath assembly after variable diameter swells
10,101 section of reducing casing tube component is racetrack, compares the identical basic annulus of maximum gauge, the disclosed set of the present embodiment
The wound channel that tube assembly 10 occupies is smaller, simultaneously because directly carrying out lateral expansion to patient muscle in original wound channel
, it not will cause the damage of patient's wound, greatly reduce the pain of patient and reduce the subsequent time for needing rehabilitation.
In addition, it will be appreciated by those skilled in the art that, when operative doctor uses the sheath assembly of the prior art, it is logical to need to increase puncture
Road or the switching for carrying out sheath assembly, which increases the workloads of operative doctor, using sheath assembly disclosed by the invention
10 can effectively reduce the working strength of operative doctor, reduce operating time.
The overall structure of second embodiment of the invention puncture outfit is illustrated in detail in Figure 18-21.As shown in figure 18, sheath 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 variable diameter driving mechanism 102 of one seal assembly 11 proposes another optional technical solution.
Figure 19-20 depicts the composition and assembly relation of the first seal assembly 21.First seal assembly 21 includes through set
The reducing casing tube component 101 of pipe distal end 110 and the variable diameter driving mechanism 202 for driving its diameter change, the variable diameter driving machine
Structure 202 and reducing casing tube component 101 are in axial direction fixed by lower cover plate 104 and lower case 103 and lower fixed ring 105.Institute
It states reducing casing tube component 101, variable diameter driving mechanism 202, lower cover plate 104 and lower case 103 and lower fixed ring 105 forms together
Reducing casing tube device 25, for realizing the change in size of casing diameter.
With reference to Fig. 8 and Figure 19, the variable diameter driving mechanism 202 includes the hole proximally arrived distal end and pass through moving casing 111
1115 and fixed transmission shaft 224 and driving cam 221 and guide sleeve 225.The transmission shaft 224 proximally arrives distal end successively
Including wearing drive section in guide sleeve 225 for the mounting shaft hole 2241 by axis 226 through driving 221 hole 2212 of cam
2241, for installing the mounting groove 2242 of inner seal ring 223, it is driven the shaft shoulder 2243 and riveting fixed section 2244.This field
Technical staff is it is contemplated that moving casing 111 and transmission shaft 224 can use stud+nut mode, welding manner, riveting etc.
Common mechanical connection manner is fixed.First chamber 23 is occupied in order to guarantee that transmission shaft 224 is connected and fixed moving casing 111
The space of (not shown) is small as far as possible, using riveting method that transmission shaft 224 and moving casing 111 is fixed in the present embodiment.It is described
The distal end of driving cam 221 includes remote stomidium 2212 and the first cam surface 2213, the second cam surface 2214 of distal end two sides with
And the cam handle 2211 of driving 221 proximal end of cam.The distance of 2212 to the first cam surface of remote stomidium 2213 is greater than described
The distance of the 2212 to the second cam surface of remote stomidium 2214, and the two distance difference B is substantially equal to the difference of variable-diameter.
The variable diameter process of reducing casing tube device 25 is illustrated in detail in Figure 20-21.As shown in 16, specifically, under original state,
The tube body 1131 of membrane casing 113 wraps the fixation tube body 1121 of casing 112 and the movable tube body 1111 of moving casing 111
Limit the section for being formed and there is basic annulus；The cam handle 2211 rotates to distal end, second cam surface along axis 226
2214 is substantially parallel with lower case 103 outer wall fitting.
When needing to adjust variable diameter, cam handle 2211 is pulled along axis 226 from distally proximally rotating about 90 degree, it is described
First cam surface 2213 is substantially parallel with lower case 103 outer wall fitting.During this, due to 2212 to the first cam surface of hole
2213 distance is greater than the distance of 2212 to the second cam surface of hole 2214, so driving transmission shaft 224 in guide sleeve 225
Distally proximally direction is mobile, and riveting integrated moving casing 111 with transmission shaft 124, also direction is mobile, film
The tube body 1131 of casing 113 is swollen since movable tube body 1111 is mobile and is strutted, and the section of basic annulus becomes racetrack
Section, the maximum distance in the section of racetrack is the diameter dimension after variable diameter at this time.
Sheath assembly 20 after needing variable diameter reverts to original state, pulls cam handle 2211 along axis 226 from close
It holds to about 90 degree of distal end rotation, second cam surface 2214 is substantially parallel with lower case 103 outer wall fitting.During this,
Since the distance of 2212 to the first cam surface of hole 2213 is greater than the distance of 2212 to the second cam surface of hole 2214, so
It drives transmission shaft 224 to move in guide sleeve 225 along proximate inverse direction, rivets integrated activity with transmission shaft 124
Also inverse direction is mobile for casing 111, and the tube body 1131 of membrane casing 113 is due to the mobile reduced recovery of movable tube body 1111, 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 one pull it is dynamic
It can be completed, can rapidly complete maximum variable diameter process such as becomes 15mm sheath assembly, advantage for 10mm sheath assembly
It is essentially identical with beneficial effect and first embodiment.But the present embodiment compares first embodiment and adjusts progress by knob thread
Variable diameter, it has not been convenient to realize the variable diameter of pilot process, for example 10mm sheath assembly become into 11mm, the intermediate values such as 12mm it is straight
Diameter.
The overall structure of third embodiment of the invention puncture outfit is illustrated in detail in Figure 22-29.As shown in figure 22, sheath 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 variable diameter driving mechanism 102 and reducing casing tube component 101 of one seal assembly 11 propose another optional technical solution.
Figure 23-24 depicts the composition and assembly relation of the first seal assembly 21.First seal assembly 31 includes through set
The reducing casing tube component 301 of pipe distal end 310 and the variable diameter driving mechanism 302 for driving its diameter change, the variable diameter driving machine
Structure 302 and reducing casing tube component 301 are in axial direction fixed by lower cover plate 304 and lower case 303 and lower fixed ring 105.Institute
It states reducing casing tube component 301, variable diameter driving mechanism 302, lower cover plate 304 and lower case 303 and lower fixed ring 105 forms together
Reducing casing tube device 35, for realizing the change in size of 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 the initial state.
The moving casing 311, the moving casing 111 of fixed sleeving 312 and first embodiment, fixed sleeving 112 is roughly the same,
But in moving casing 311, the proximal end of fixed sleeving 312 has increased separately the sealing edge 3116 (3126) extended laterally out, institute
It states sealing edge 3116 (3126) and the cooperation of lower cover plate 304 guarantees airproof.
The tube body 3131 of membrane casing 313 is inserted in and wraps the fixation tube body 3121 and movable tube body of casing 312
1111 and fold 3131 is formed in fixed sleeving 312 and movable 1111 seam crossing of tube body；The diameter of the tube body 3131 is greater than solid
Determine the diameter of the combination formation of movable tube body 3111 of tube body 3121 and moving casing 311.The tube body 3131 further includes its proximal end
Opening 3134, and from proximal openings 3134 to distally laterally extending 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 variable diameter mistake
The tube body 3131 of Cheng Zhong, the membrane casing 313 will not occur flexible deformation or slight flexible deformation only occur, and variable diameter increases
Part relies primarily on and is compressed in the fold 3131 of fixed sleeving 312 and movable 1111 seam crossing of tube body and unfolds to be formed.
With reference to shown in Figure 23-24, the variable diameter driving mechanism 302 includes proximally arriving distal end to pass through moving casing 311
Hole 3115 and the transmission shaft 324 and drive knob 321 being secured to.The transmission shaft 324 includes proximally arriving distal end internal screw thread
Hole 3241, for installing the mounting groove 3242 of inner seal ring 123 and section 3244 being welded and fixed.Those skilled in the art can be with
Expect, moving casing 311 and transmission shaft 324 can use stud+nut mode, and welding manner, the common machinery such as riveting is even
The mode of connecing is fixed.It is using welding manner that transmission shaft 324 and moving casing 311 is fixed in the present embodiment.The driving rotation
Button 321 includes distal end stud 3213, the knob 3210 of 321 proximal end of drive knob.The stud 3213 and biography of the drive knob 321
The internal thread hole 3241 of moving axis 324 cooperatively forms screw-driven.The variable diameter driving mechanism 302 of the present embodiment and first embodiment
Variable diameter driving mechanism 102 is all to form screw-driven, the mainly stud 3213 of drive knob 321 using stud+internal thread hole
It is exchanged with the internal thread hole 3241 of transmission shaft 324.The drive knob 321 passes through snap and 303 edge of lower case
The back-off 331 that horizontal axis 2000 extends limits, and the slot 322 that 331 insides can be buckled to around lower case 303 rotates.
As the variable diameter process of reducing casing tube device 35 is illustrated in detail in Figure 24-29.As shown in 24-26, specifically, initial shape
Under state, the tube body 3131 of membrane casing 313 is wrapped in the activity of the fixation tube body 1121 and moving casing 111 of fixed sleeving 112
1111 outer wall of tube body, and fold 3135 is formed in fixed sleeving 312 and movable 1111 seam crossing of tube body；When needing to adjust variable diameter
When, knob 3210 is rotated clockwise along horizontal axis 2000, drive knob 321 is rotated around 303 slot 322 of lower case, drive knob 321
Stud 3213 drives the internal thread hole 3241 of transmission shaft 324 by distally proximally direction is mobile, with the welding of transmission shaft 324 one
Also direction is mobile for the moving casing 311 of body.Since membrane casing 313 is made of semi-rigid material, during variable diameter, institute
The tube body 3131 for stating membrane casing 313 will not occur flexible deformation or slight flexible deformation only occurs, therefore membrane casing 313
Tube body 3131 unfold into almost plane as its positive mobile fold 3135 of moving casing 311 is softened, the reducing casing tube
The elongated tube section of component 301 becomes racetrack by approximate circular ring type, and the maximum distance of the ring cross-section of racetrack is to become at this time
Diameter dimension after diameter.
Sheath assembly 30 after needing variable diameter reverts to original state, rotates knob counterclockwise along horizontal axis 2000
3210, drive knob 321 is rotated around 303 slot 322 of lower case, and the stud 3213 of drive knob 321 drives the interior spiral shell of transmission shaft 324
Pit 3241 is moved by proximate inverse direction, and the moving casing 311 welded with transmission shaft 324 also move by inverse direction
It is dynamic.Since membrane casing 313 is made of semi-rigid material, during variable diameter, the tube body 3131 of the membrane casing 313 will not
Flexible deformation occurs or only occurs slight flexible deformation, thus the tube body 3131 of membrane casing 313 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 run by approximation
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, advantages and beneficial effects 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 uses become
Diameter sheath assembly, it should be appreciated by those skilled in the art be also using 3 half or more casing composition reducing casing tube component
The scope of protection of the invention, while the present invention should not limit the description of moving casing and fixed sleeving as that can only use moving casing
And fixed sleeving, for example fixed sleeving also can be replaced moving casing, that is, two moving casings be formed, by two variable diameter driving machines
Structure drives two moving casings mobile in opposite direction, realizes the variable diameter of puncture outfit casing tube component.
Many different embodiments and example of the invention are had shown and described.One ordinary skill of this field
Personnel can make adaptive improvement to the method and instrument by suitably modified without departing from the scope of the invention.
Several kinds of amendment schemes are referred, and for those skilled in the art, other amendment schemes are also to 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 attached drawing
Structure, the particular content of material or behavior limited.
Claims (5)
1. a kind of reducing casing tube device, including reducing casing tube component, lower cover plate and lower case, the lower cover plate and lower case will become
Diameter sheath assembly is fixedly clamped, it is characterised in that:
1) the reducing casing tube component includes at least moving casing and fixed sleeving of two halves near symmetrical and the package work
The membrane casing of dynamic casing and fixed sleeving, the moving casing, fixed sleeving and membrane casing composition accommodate surgical device
The hollow channel of tool disengaging；It further include variable diameter driving mechanism, the moving casing is under the action of variable diameter driving mechanism along horizontal axis
Do the linear motion close to or far from the longitudinal axis；
2) the variable diameter driving mechanism includes transmission shaft, the guiding for driving cam and moving for limiting transmission shaft along horizontal axis
Set；The transmission shaft proximal end includes axis hole, and the axis hole, which is connected with the remote stomidium of driving cam by axis, revolve axis hole can around axis
Turn, the fixed section of the transmission shaft distal end is connected and fixed with moving casing；The driving cam includes the first cam of its distal end
Second cam surface in face and its distal end two sides, it is convex to second that the distance of the remote stomidium to the first cam surface is greater than the remote stomidium
The distance of wheel face.
2. casing bit as described in claim 1, it is characterised in that: the reducing casing tube component includes original state and swells
State: under the original state, the moving casing and fixed sleeving form the transversal cross-section with basic annulus；It is described to swell
Under state, the moving casing moves laterally away from the longitudinal axis, forms the transversal cross-section with the racetrack annulus to swell.
3. casing bit as described in claim 1, it is characterised in that: the moving casing and fixed sleeving are by metal material system
At the moving casing and fixed sleeving are by punching press one-pass molding or by the way that a round metal tube is cut into symmetrical two
Part is formed.
4. casing bit as described in claim 1, it is characterised in that: the material of the membrane casing includes flexible material or bullet
Property material.
5. a kind of puncture outfit, comprising sheath assembly and through the puncture needle of sheath assembly, it is characterised in that: described sleeve pipe component packet
The casing bit as described in claim 1-4 is any is included, casing bit also includes lower fixed ring, the lower case and lower fixed ring
Be fixedly clamped membrane casing, and described sleeve pipe component includes that Duckbill seal is fixed to described sleeve pipe device by upper fixed ring to form
First seal assembly, and the second seal assembly snapped connection with the first seal assembly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611526.8A CN109602484B (en) | 2017-06-03 | 2017-06-03 | Reducing sleeve device and puncture outfit |
| CN201710410223.9A CN107049438B (en) | 2017-06-03 | 2017-06-03 | A kind of reducing casing tube 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 CN107049438A (en) | 2017-08-18 |
| CN107049438B true CN107049438B (en) | 2019-02-12 |
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| 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) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CA2993590A1 (en) * | 2017-09-06 | 2019-03-06 | Xpan Inc. | Radially expandable cannula system |
| CN108096689A (en) * | 2017-12-11 | 2018-06-01 | 陈永忠 | The adjustable medical operation sheath of caliber |
| CN109771055B (en) * | 2019-02-26 | 2023-12-08 | 宁波胜杰康生物科技有限公司 | Novel multichannel operation platform |
| 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 |
| CN111938772B (en) * | 2020-08-17 | 2021-08-06 | 广州保瑞医疗技术有限公司 | Hollow tube assembly for medical puncture outfit comprising film tube and skeleton tube |
| 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 |
| 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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| CN1913834B (en) * | 2003-12-18 | 2010-12-01 | 德普伊斯派尔公司 | Surgical retractor systems |
| CN204863407U (en) * | 2015-05-22 | 2015-12-16 | 东莞麦可龙医疗科技有限公司 | Reducing abdominocentesis ware |
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| JP2635972B2 (en) * | 1987-07-24 | 1997-07-30 | ノ−ブル ゲイブリアル | Handheld myringotomy device |
| US6945933B2 (en) * | 2002-06-26 | 2005-09-20 | Sdgi Holdings, Inc. | Instruments and methods for minimally invasive tissue retraction and surgery |
| US7946982B2 (en) * | 2002-10-25 | 2011-05-24 | K2M, Inc. | Minimal incision maximal access MIS spine instrumentation and method |
| WO2006020267A2 (en) * | 2004-07-21 | 2006-02-23 | Tyco Healthcare Group, Lp | Introducer assembly with suspended seal |
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| CN102217970B (en) * | 2011-05-26 | 2013-09-11 | 范勤 | Circumcision device |
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| CN105997204B (en) * | 2016-08-02 | 2018-06-29 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal of the fold containing multidimensional |
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| 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 |
-
2017
- 2017-06-03 CN CN201811611526.8A patent/CN109602484B/en active Active
- 2017-06-03 CN CN201710410223.9A patent/CN107049438B/en active Active
-
2018
- 2018-02-08 WO PCT/CN2018/075810 patent/WO2018218991A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1913834B (en) * | 2003-12-18 | 2010-12-01 | 德普伊斯派尔公司 | Surgical retractor systems |
| CN204863407U (en) * | 2015-05-22 | 2015-12-16 | 东莞麦可龙医疗科技有限公司 | Reducing abdominocentesis ware |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107049438A (en) | 2017-08-18 |
| CN109602484B (en) | 2023-06-23 |
| WO2018218991A1 (en) | 2018-12-06 |
| CN109602484A (en) | 2019-04-12 |
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