CN109674515A - A kind of adjusting method of accommodating space - Google Patents
A kind of adjusting method of accommodating space Download PDFInfo
- Publication number
- CN109674515A CN109674515A CN201710976110.5A CN201710976110A CN109674515A CN 109674515 A CN109674515 A CN 109674515A CN 201710976110 A CN201710976110 A CN 201710976110A CN 109674515 A CN109674515 A CN 109674515A
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- China
- Prior art keywords
- regulating key
- accommodating space
- suture
- blocking element
- locking
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
- A61B2017/0472—Multiple-needled, e.g. double-needled, instruments
-
- 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
- A61B2017/3433—Cannulas with different outer diameters of the cannula
-
- 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
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of adjusting methods of accommodating space, the following steps are included: pressing inward against regulating key, regulating key described in slide downward simultaneously, the regulating key drives second component to move downward, to form accommodating space between the second component and the first component；Discharge the regulating key, the fixed accommodating space.The adjusting method of accommodating space according to the present invention can quickly, accurately adjust the height of required accommodating space according to individual difference, easy to operate.
Description
Technical field
The present invention relates to a kind of adjusting methods of accommodating space.
Background technique
Check, in abdominal operation and other minimally invasive or surgical operations that puncture outfit is essential surgical instrument in abdominal cavity.
Puncture outfit can be established in the stomach wall of human body enters channel, so that for stapler or other surgical instruments, (such as endoscope is cut
Knife, seal wire, conduit, filter, bracket etc.) enter it is intraperitoneal, and provide gas disengaging channel, with control operation needed for gas
Abdomen, to carry out inspection or surgical procedure.
In the operation of minimally invasive laparoscopic medical, find that lesion needs to perform the operation or cut off such as in body, then surgical procedure
In need to be to carrying out pneumoperitoneum in human abdominal cavity.The important operation process that pneumoperitoneum is laparoscopic surgery is established, in the situation of pneumoperitoneum abundance
Under, the distance between abdominal cavity and internal organs have not only been strutted, the distance between internal organs and internal organs have also been strutted, is provided relatively for patient
The broad visual field and easily operated surgical environments.After completing pneumoperitoneum, doctor is general first to scratch one small cut in patient abdomen
Mouthful, then by small notch that the alignment of the cutting tip of puncture outfit is scratched or so reciprocating rotation while move down puncture outfit, make to puncture
Core assembly guiding puncture casing passes through patient abdomen cortex；Then it extracts and punctures core assembly, stapler or other surgical instruments are
Abdominal cavity of patients can be passed in and out by puncture cannula to be operated.The existing effect for puncturing core assembly and only serving puncture, is drawing
It leads after the puncture cannula enters patient's body from the notch of human abdomen, that is, is dropped.
After lesion is removed, puncture cannula component is taken out, operation terminates.The wound of puncture does not suture generally, only by suffering from
Person heals automatically；Because the puncturing hole of Minimally Invasive Surgery is small and deep, the stomach wall of especially obese patient is thicker, and the visual field of suture is small, only
After surgery by the skin closure of patient surface, it is difficult to by the peritoneal stitches on the inside of stomach wall.Patient is easy to produce wears after surgery in this way
The serious complication such as acanthopore hernia needs further to treat.The existing puncture outfit with suture function, the size of Oversewing space are
The size of accommodating space can not be adjusted according to individual difference, not can be carried out effective suture for fixed value.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of application method of puncture outfit, according to the present invention to make
It can be punctured with method and the suture of puncturing hole, the invention is realized by the following technical scheme:
A kind of adjusting method of accommodating space, comprising the following steps:
S1: pressing inward against regulating key, while regulating key described in slide downward, and the regulating key drives second component
It moves downward, to form accommodating space between the second component and the first component；
S2: the regulating key, the fixed accommodating space are discharged.
Further, the step S1 includes:
S11: pressing inward against the regulating key, unlocks the first locking element and the second locking element；
S12: regulating key described in slide downward while holding presses inward against makes first locking element relative to institute
The second locking element is stated to move downward.
Further, the step S2 includes:
S21: the regulating key is discharged；
S22: adjusting the position of the regulating key, makes the first locking element relative to the second locking element locking；Make institute
The height for stating accommodating space is fixed.
Preferably, the adjusting method of the accommodating space is further comprising the steps of:
S3: pressing inward against regulating key, keeps sliding the regulating key downward or upward while pressing, empty in accommodating
Between adjust after the completion of, further increase the stroke of the second component；
S4: the regulating key is discharged.
Further, the step S3 includes:
S31: pressing inward against the regulating key, unlocks the first locking element and the second locking element；
S32: holding slides the regulating key while pressing inward against downward or upward, makes the first locking element phase
Second locking element is moved downward.
Preferably, for adjusting unit and including the first blocking element and being slided relative to first blocking element
Two blocking elements, first blocking element and second blocking element cooperate to control the height of the accommodating space
Degree；First blocking element includes regulating key and the adjusting rod that is connected with the regulating key.
Preferably, the adjusting rod includes locking part and adjustment portion, and the locking part and the adjustment portion are integrally formed, institute
The width for stating locking part is greater than the width of the adjustment portion.
Preferably, second blocking element includes several rectangular teeths and rectangular channel for being arranged alternately；The adjustment portion
It can be slided along second blocking element, the locking part can be limited in the rectangular channel.
The adjusting method of accommodating space according to the present invention does not need to expand puncturing hole, does not need to increase additional hand yet
Art instrument had been able to achieve the effect of puncture both to establish channel, and had entered patient's body for stapler or other surgical operating instruments；Again
The suture of puncturing hole can be realized in narrow puncturing hole, and can adjust accommodating space according to the individual difference of destination organization
Highly, the height of required accommodating space quickly, is accurately adjusted, it is easy to operate.
Detailed description of the invention
Fig. 1 is the use flow chart of steps of puncture outfit according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 3 is the cross-sectional view according to an embodiment of the present invention for puncturing core assembly；
Fig. 4 is the partially exploded diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 5 is the structural schematic diagram of the first interior bar according to an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the second interior bar according to an embodiment of the present invention；
Fig. 7 is the suture needle structural schematic diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 8 is the suture fixed-block-architecture (FBA) schematic diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 9 is the structural schematic diagram of handle according to an embodiment of the present invention；
Figure 10 is the partial enlarged view at the A in Fig. 9；
Figure 11 is the structural schematic diagram of the first blocking element according to an embodiment of the present invention；
Figure 12 is the schematic diagram of the first blocking element and the second blocking element cooperation according to an embodiment of the present invention；
Figure 13 is the structural schematic diagram according to an embodiment of the present invention for puncturing core assembly original state；
Figure 14 is that puncture core assembly according to an embodiment of the present invention forms the structural schematic diagram after Oversewing space；
Structural schematic diagram when Figure 15 is the suture according to an embodiment of the present invention for puncturing core assembly；
Figure 16 is the schematic diagram of the first blocking element and the second blocking element cooperation in accordance with another embodiment of the present invention；
Figure 17 is the structural schematic diagram after destination organization according to an embodiment of the present invention is sewn；
Figure 18 is the structural schematic diagram of puncture outfit according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.It is retouched in of the invention
In stating, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
As shown in Figure 1, the application method of the puncture outfit of the embodiment of the present invention, comprising the following steps:
S1: pressing inward against regulating key, while regulating key described in slide downward, and the regulating key drives second component
It moves downward, to form accommodating space between the second component and the first component；
S2: the regulating key, the fixed accommodating space are discharged.
As shown in Fig. 2, the puncture core assembly 200 of the embodiment of the present invention includes piercing assembly, suturing assembly and adjusting unit.
Piercing assembly includes cutting tip 1 and puncturing lever 2.Puncture core assembly 200 from the inside to the outside, be followed successively by adjust unit, suturing assembly and
Puncturing lever 2.Suturing assembly is located in puncturing lever 2, refers to the positional relationship of the two, not all component parts of suturing assembly are equal
In puncturing lever 2.
For the convenience of describing the present invention and simplifying the description, in embodiments of the present invention, it sets close to one end of clinician
It is " distal end " or " lower section " that one end for " proximal end " or " top ", and separate clinician, which is close to one end of patient body,.Base
In attached orientation or positional relationship shown in Fig. 2, the one end that will be close to handle 6 is considered as " proximal end " or " top ", will be close to cutting tip 1
One end be considered as " distal end " or " lower section "；The axial direction for puncturing core assembly 200 is known as " height " direction, core assembly will be punctured
200 radial direction is known as " width " direction；" inside " will be considered as towards the direction of 6 central axis of handle, will be far from handle 6
The direction of mandrel line is considered as " outside ", includes core bar component, is arranged in the core bar component as shown in Fig. 2, puncturing core assembly 200
The cutting tip 1 of distal end and the handle 6 that core bar component proximal end is set.In the initial state, core assembly 200 is punctured to be inserted into
In sheath assembly 300.
Fig. 3 to Fig. 4 depicts the composition and assembly relation of core bar component.The core bar component includes in puncturing lever 2, first
Bar assembly 4 in bar 3 and second.Bar assembly 4 is at least partially disposed in the first interior bar 3 in second, and the first interior bar 3 is located at puncturing lever 2
It is interior；And the central axis of puncturing lever 2 and the central axis of the first interior bar 3 are overlapped.The main part of puncturing lever 2 is hollow circular-tube,
The hollow circular-tube forms the channel for the movement of the first interior bar 3, and the first interior bar 3 can move up and down in puncturing lever 2, and when first
When interior bar 3 moves downward, puncturing lever 2 can be stretched out from the distal end in the channel.The distal end of puncturing lever 2 is symmetrically arranged with U-lag
22, the lower end of U-lag 22 extends to the lower end of puncturing lever 2, and the length of U-lag 22 is equal or slightly larger than the length of sewing needle 7.It wears
The proximal end of thorn stick 2 is fixedly connected with handle 6.The center of the central axis of first interior bar 3, the central axis of handle 6 and puncturing lever 2
Axis is overlapped.
With reference to Fig. 5, the proximal end of the first interior bar 3 is equipped with suture key 31, for controlling the movement of the first interior bar 3.In first
The inside of bar 3 forms chamber 32, and bar body 40 is located in the chamber 32 of the first interior bar 3 in second, and bar body 40 can be in chamber in second
It moves up and down in 32.The distal end of first interior bar 3 be symmetrically arranged with mutually matched first mounting portion 33 of sewing needle 7, in first
After bar 3 protrudes into the distal end of puncturing lever 2, the first interior bar 3 of adjustment is directed at it with mutually matched first mounting portion 33 of sewing needle 7 to wear
The U-lag 22 of thorn stick 2, in order to match first mounting portion 33 interference of the sewing needle 7 from U-lag 22 with 3 distal end of the first interior bar
It closes or transition fit is incorporated in U-lag 22 after sewing needle 7 is fixedly connected with the first interior bar 3.The distal end of third spring 47
It is abutted with the distal end 23 of puncturing lever 2, proximal end is abutted with the distal end of the first interior bar 3.As shown in figure 4, bar assembly 4 includes in second
Bar body 40 and connecting rod 45 in second, the distal end of bar body 40 and the proximal end of connecting rod 45 are integrally formed or fixed connect in second
It connects, the distal end of connecting rod 45 is fixedly connected with the proximal end of cutting tip 1.The stage portion 46 of evagination, step are additionally provided in connecting rod 45
The diameter in portion 46 is greater than diameter of the connecting rod 45 in addition to stage portion 46, and the internal perisporium of 2 distal end of puncturing lever is equipped with limited block 23, even
Extension bar 45 can move up and down from the inner cavity of limited block 23, when connecting rod 45, which moves to stage portion 46, to abut with limited block 23, because
The internal diameter of limited block 23 is less than the diameter of stage portion 46, and limited block 23 prevents stage portion 46 from continuing to move downward.Positioned at cutting tip 1
Connecting rod 45 between stage portion 46 is cylindrical body or cuboid, and when it is cylindrical body, diameter is less than the straight of puncturing lever 2
Diameter, cross-sectional area are less than the cross-sectional area of puncturing lever 2, to form space between cutting tip 1 and puncturing lever 2.When it is rectangular
When body, width and length are respectively less than the diameter of puncturing lever 2；Under the premise of the intensity needed for meeting, it is located at cutting tip 1 and step
The cross-sectional area of connecting rod 45 between portion 46 is the smaller the better, in this way, shape between the proximal end of cutting tip 1 and the distal end of puncturing lever 2
At space it is larger, further, the central axis of connecting rod 45 is overlapped with the central axis of puncturing lever 2.Cutting tip 1 can be opposite
It is more than or equal to the thickness of patient's hypodermis in the distance of the distal movement of puncturing lever 2.Preferably, 45 distal end of connecting rod with
Cutting tip 1 is fixedly connected.Cutting tip 1 substantially refers to cutting tip 1 in cone or similar circular cone substantially in cone in cone
Shape, the i.e. bus of cutting tip 1 can be linear, can also be in convex outer curve or the curve in indent.Puncturing lever 2 is open circles
Pipe, the diameter for proximally arriving distal end is all the same, and the maximum gauge of cutting tip 1 is substantially equal to the diameter of puncturing lever 2.
As illustrated in fig. 4 or 6, the proximal end of bar body 40 is equipped with adjusting rod channel 41 in second, and the one of adjusting rod channel 41
End cooperates with baffle 48, is equipped with the through-hole for the operation of the first blocking element 5 inside adjusting rod channel 41, and the through-hole is from adjusting rod
The one end in channel 41 extends to the side of baffle 48.The proximal end of second interior bar 4 is equipped with boss 42, and boss 42 is located at adjusting rod channel
Under 41；One end of second spring 43 is abutted with boss 42, and the other end is abutted with the bottom of handle 6.Bar body 40 is gone back in second
Including limited post 44, for the cooperation of limiting slot 21 with puncturing lever 2, the diameter of limited post 44 is slightly less than the width of limiting slot 21,
Limited post 44 can only move up and down in limiting slot 21 and can not circumferentially rotate in this way, to guarantee that bar assembly 4 is only being worn in second
It moves up and down in thorn stick 2；The stroke that limited post 44 moves up and down is defined by the flute length of limiting slot 21, and then defines second
The stroke that interior bar assembly 4 moves in puncturing lever 2.
The suturing assembly is located in the puncturing lever 2, and at least part of the suturing assembly can be in the puncture
It is moved in bar 2；The suturing assembly includes sewing needle 7 and suture fixed block 8, and sewing needle 7 and suture fixed block 8 can be detached from
Ground is connected, and the sewing needle 7 and suture fixed block 8 after connection pass through the accommodating sky by mobile one end by suture 9
Interior tissue.
As shown in fig. 7, sewing needle 7 includes the second mounting portion 71 and needle point 72.Sewing needle 7 passes through the second mounting portion 71 and the
First mounting portion 33 of one interior bar 3 is interference fitted or transition fit achieves a fixed connection, and the distance between two sewing needles 7 are equal to
Or it is slightly less than the diameter of puncturing lever 2.With reference to Fig. 8, suture fixed block 8 includes the suture needle passageway 82 being arranged up and down, is used
It is connect in sewing needle 7, needle point 72 passes through needle point suture needle passageway 82 and exposes from needle point suture needle passageway 82, needle point 72 and seam
The connection type for closing needle passageway 82 is clearance fit；The side wall of suture fixed block 8 is equipped with winding slot 81, the line of suture 9
Tail 91 be wrapped on winding slot 81 and at winding slot 81 formed knot, two line tails 91 of suture 9 respectively with a suture
Fixed block 8 cooperates, and the proximal end 92 of suture 9 is along the limited post 44 that the outer wall of puncturing lever 2 hangs over the second interior bar 4；If any extra
Suture 9 can take up rear slip-knot formed here, to prevent suture 9 to be scattered between puncturing lever 2 and interior bar 5,
Referring again to Fig. 4 or Fig. 6, accommodation groove 11 is provided on cutting tip 1, for cooperating with suture fixed block 8；Suture fixed block
8 with the fit system of accommodation groove 11 be interference fit；Accommodation groove 11 is the mounting groove being adapted to 8 profiling of suture fixed block, this
Sample, after suture fixed block 8 enters accommodation groove 11, the outer surface of suture fixed block 8 is bonded completely with accommodation groove 11, connection
It is stronger.Further, size of the accommodation groove 11 at 1 periphery of cutting tip is minimum, and this avoid work as suture fixed block 8
After being installed into accommodation groove 11, the risk that radially falls off out of accommodation groove 11.
The line tail 91 of suture 9 is wrapped on winding slot 81 and forms knot, two line tails of suture 9 at wire casing 81
After 91 respectively cooperate with a suture fixed block 8, suture fixed block 8 is mounted on the needle point 72 of sewing needle 7, and make needle point
72 expose from suture fixed block 8, and sewing needle 7 and suture fixed block 8 are set in U-lag 22, and the length of U-lag 22 is equal to
Or the length slightly larger than sewing needle 7；And the outer surface of sewing needle 7 and suture fixed block 8 is without departing from the outer surface of puncturing lever 2,
In this way sewing needle 7 in suture apart from puncturing hole farther out, the distance between two sewing needles 7 are equal to or slightly less than puncturing lever 2
Diameter provides maximum suture size to guarantee under the premise of not expanding puncturing hole.
It is the structural schematic diagram of the handle 6 of one embodiment of the invention with reference to Fig. 9 to Figure 10, Fig. 9.The side of handle 6 is
Annular wall, internal includes suture key channel 62, to provide the moving conduit of suture key 31；Perforation is equipped in its annular wall
Notch, the notch are symmetrical arranged along the central axis of handle 6, are formed and mutually matched second locking of the first blocking element 5
Component 61.Figure 10 is the partial enlarged view at the A in Fig. 9, and the second blocking element 61 includes several rectangular teeths 612, Mei Geju
The height of shape tooth 612 is H2, the distance between two neighboring rectangular teeth 612 in the same side is H2, the two neighboring rectangular teeth in the same side
Rectangular channel 611 is formed between 612, that is to say, that the height of rectangular channel 611 is also H2.The rectangular teeth of rectangular teeth 612 and opposite side
612 ', the second blocking element 61 is collectively formed in rectangular channel 611 and the rectangular channel 611 ' of opposite side, current for the first blocking element 5
Or locking.
The adjusting unit includes the first blocking element 5 and the second blocking element 6, and the first blocking element 5 can be relative to the
Two blocking elements 6 are mobile；The adjusting unit further comprises connecting rod 45, and one end of connecting rod 45 is connect with cutting tip 1, and
And the cross-sectional area of connecting rod 45 be less than cutting tip 1 cross-sectional area, connecting rod 45 can be moved in puncturing lever 2 and its extremely
Few a part stretches out puncturing lever 2, the accommodating space is collectively formed with cutting tip 1, puncturing lever 2.The adjusting unit also wraps
Bar body 40 in second are included, bar body 40 is connected or is integrally formed with the other end of connecting rod 45 in second.
Figure 11 is the structural schematic diagram of the first blocking element 5 of one embodiment of the invention.First blocking element 5 includes adjusting
Key 56 and adjusting rod 53 are saved, the two is generally perpendicular to each other.One end of adjusting rod 53 is circumferentially uniformly distributed several blades 54, leaf
For piece 54 along the axially extending formation of outer wall of adjusting rod 53, the end of blade 54 is equipped with protrusion 541；Preferably, the first blocking element 5
It is integrally formed.First 55 sets of spring is on the outer wall in adjusting rod channel 41, the regulating key 56 of one end and the first blocking element 5
It abuts, the other end is abutted with baffle 48.It is straight that the adjusting rod 53 of first blocking element 5 from the one end in adjusting rod channel 41 protrudes into through-hole
It is stretched out to the protrusion 541 of its blade 54 from baffle 48；Blade 54 is released after the stretching of baffle 48 and is unfolded, and protrusion 541 is blocked
The firmly another side of baffle 48 realizes that the first blocking element 5 can phase to prevent bar assembly 4 in the first blocking element 5 from second to be detached from
Bar assembly 4 in second is moved.Adjusting rod 53 further comprises the locking part 51 and adjustment portion 52 radially extended；It is preferred that
Ground, locking part 51 is equal with the height of adjustment portion 52 to be denoted as H1, H1Less than H2.The width of locking part 51 is W1, opposite side, same
The distance between two rectangular channels 611 of one height are D1, the width W of adjustment portion 522Equal to or less than opposite side, same
The distance between two rectangular teeths 612 of height D2, and D1> D2.The width W of locking part 511Equal to D1Or locking part 51
Width W1Less than D1, and it is greater than D2, i.e. D1> W1> D2。
When operation, after completing pneumoperitoneum, doctor first scratches a small notch in patient abdomen, then by puncture outfit of the present invention
1000 cutting tip 1 moves down puncture outfit 1000 while being directed at the small notch scratched or so reciprocating rotation, until casing group
Part 300 passes through patient abdomen cortex；Then it extracts and punctures core assembly 200, stapler or other surgical instruments can pass through puncture
Sheath assembly 300 passes in and out abdominal cavity of patients and is operated.When original state, the first blocking element 5 is located at the second blocking element
61 proximal end, further, locking part 51 are located in two 61 sustained height of the second blocking element, opposite rectangular channels 611；
The proximal end of cutting tip 1 is abutted with the distal end of puncturing lever 2, gapless between such cutting tip 1 and puncturing lever 2, and when puncture will not press from both sides
To the tissue of patient.The skin ecto-entad of human body is followed successively by epidermis, skin corium, subcutaneous tissue, as long as by patient's puncturing hole
The subcutaneous tissue at place sutures, and can effectively prevent the generation of puncturing hole hernia.Because the subcutaneous tissue of patient has sutured, puncturing hole is just not
It can open, be easy to epidermis and skin corium heals automatically.
After intraperitoneal operation, the puncture core assembly 200 of the embodiment of the present invention is inserted into patient from sheath assembly 300
In vivo.With reference to Figure 13, when original state, locking part 51 is located at 61 sustained height of the second blocking element, opposite two rectangles
It in slot 611, is limited by upper and lower rectangular teeth 612, locking part 51 can not move up and down, the first blocking element 5 and the second locking structure
Part 61 is opposing stationary.It is moved down while holding 6 or so reciprocating rotation of handle, makes the distal end of puncturing lever 2 from sheath assembly 300
Distal end stretch out.After cutting tip 1 reaches suitable position, because 55 one end of second spring and locking part 51 against and the other end and gear
Plate 48 is against when pressing inward against regulating key 56, regulating key 56, adjusting rod 53 are transported along adjusting rod channel 41 to 48 direction of baffle
Dynamic, 55 stress of second spring is compressed, after being detached from locking part 51 out of two rectangular channels 611 of opposite side, sustained height,
Adjustment portion 52 slide into the second blocking element 61 in, because adjustment portion 52 width less than the second blocking element 61 minimum spacing D2,
Adjustment portion 52 can move back and forth between 61 proximal end of the second blocking element and distal end.As shown in figure 12, when needs adjust suture
When the height in space, pressing inward against slide downward regulating key 56 after regulating key 56 can be increased the height of Oversewing space, to
Slidable adjustment key 56 can reduce the height of Oversewing space upwards after interior pressing regulating key 56.As shown in figure 14, when reaching
When required Oversewing space, regulating key 56 is unclamped, second spring 55 is released, and elastic restoring force drives locking part 51 outside
Movement, adjustment portion 52 are detached from the second blocking element 61, and above and below behind the position of fine tuning regulating key 56, locking part 51 moves to phase
In opposite side, sustained height two rectangular channels 611, so that the first blocking element 5 be driven to move out；At this point, blade 54
End bosses 541 block baffle 48, to prevent the first blocking element 5 to be detached from from the second interior bar 4；The opposite lock of first blocking element 5
Only, so that required Oversewing space height be fixed, because the cross-sectional area of connecting rod 45 is less than the cross-sectional area of puncturing lever 2, even
Space is formed between the distal end of extension bar 45, the proximal end of cutting tip 1 and puncturing lever 2.Core assembly 200 will be punctured upwards by holding handle 6
It is mobile, until the clamping face of 1 proximal end of cutting tip and the subcutaneous tissue lower layer contacts of patient.Due to the elasticity of tissue, patient
Tissue at puncturing hole can be full of the Oversewing space, i.e. tissue encapsulation at patient's puncturing hole lives connecting rod 45, fills up puncture
Space between the proximal end at end 1 and the distal end of puncturing lever 2.When reaching maximum suture height, the first blocking element 5 slides into the
The distal end of two blocking elements 61, while connecting rod 45 moves to stage portion 46 and abuts with limited block 23, because of the internal diameter of limited block 23
Less than the diameter of stage portion 46, limited block 23 prevents stage portion 46 from continuing to move downward.
Then, as shown in Fig. 4, Figure 15, downwards by suture key 31, suture key 31 successively pushes the first interior bar 3, suture
Needle 7 and suture fixed block 8 move downward, and two respective needle points 72 of sewing needle 7 guide suture fixed block 8, in turn respectively
Two end line tails 91 of suture 9 are driven to move downward.
Figure 17 illustrates the process that the destination organization of the embodiment of the present invention is sewn.As long as by most lower at patient's puncturing hole
F layers of subcutaneous tissue suture of layer, can effectively prevent the generation of puncturing hole hernia；Preferably, in the epidermis E of patient's puncturing hole or
Skin corium knots, in this way, knot is located in puncturing hole, not from the exposing of the skin of patient, with prevent it is postoperative encounter knot, because of patient
Subcutaneous tissue sutured, puncturing hole just will not open, and be easy to epidermis or skin corium heals automatically.Preferably, suture 9
For the absorbable suture of human body.Unlock the slip-knot that the proximal end 92 of suture 9 is formed at limited post 44, the proximal end of suture 9
92 be in free state.Two respective needle points 72 of sewing needle 7 guide suture fixed block 8 respectively and then drive the two of suture 9
End line tail 91 is respectively out of, A, B two o'clock of subcutaneous tissue F comes into contact with and pierce that cutting tip 1 and puncturing lever 2 are formed space
Patient tissue, and in the accommodation groove 11 for guiding suture fixed block 8 to be installed on cutting tip 1, two end line tails 91 of suture 9 divide
Subcutaneous tissue F is not penetrated from D, C two o'clock.Because the line tail 91 of suture 9 forms knot at winding slot 81 in advance, suture is fixed
Block 8 introduces the line tail 91 of suture 9 below the subcutaneous tissue of patient.
The outer surface of second blocking element 61 is equipped with mark, and as shown in figure 16, the second blocking element 61 arrives the vertical height of N point
Degree is the maximum value of the thickness of subcutaneous tissue F, and the vertical height of the second blocking element 61 to M point is the thickness of subcutaneous tissue F
Average value.Less than the stroke of mark shown in N point, i.e. regulating key 56 moves to the stroke of N point for adjusting institute from initial position
State the height of accommodating space.Greater than the stroke of mark shown in N point, i.e. regulating key 56 moves to the second blocking element 61 from N point
The stroke of distal end is used to increase the travel distance of suture 9, convenient for pulling out suture；For being less than the thickness of subcutaneous tissue F
Maximum value destination organization, the stroke of M point to N point is also used for increasing the travel distance of suture 9, further convenient for will suture
Line pulls out.Specifically, it after two end line tails 91 of suture 9 penetrate subcutaneous tissue F from D, C two o'clock respectively, presses inward against again
Slide downward regulating key 56 after regulating key 56, because suture fixed block 8 has been inserted into the accommodation groove 11 of cutting tip 1,
And line tail 91 is wrapped on the winding slot 81 of suture fixed block 8 and forms knot at winding slot 81, and then single by adjusting
Member continues the line tail 91 of suture 9 to intraperitoneal movement a trip；Then, regulating key 56 is unclamped, second spring 55 obtains
To release, elastic restoring force drives locking part 51 to move out, and adjustment portion 52 is detached from the second blocking element 61, upper and lower to finely tune
Behind the position of regulating key 56, locking part 51 is moved in opposite side, sustained height two rectangular channels 611, the first locking
Component 5 is with respect to locking, to continuing line tail 91 to intraperitoneal movement a trip, the distance of the stroke is greater than subcutaneous tissue
The thickness of F, can compensate for subcutaneous tissue F even include skin corium and epidermis thickness, continue movement stroke make line tail 91
It is being diverted and while moving upwards can be drawn out from subcutaneous tissue F and even be drawn out out of abdominal wall, while making suture 9
Distal end progresses into patient's body.(show to stitch when in the accommodation groove 11 that suture fixed block 8 has been fixed on cutting tip 1
Close the subcutaneous tissue that needle 7 has pierced patient completely), suture key 31 is unclamped, because the distal end of third spring 47 is remote with puncturing lever 2
End abuts, and proximal end is abutted with the distal end of the first interior bar 3, and third spring 47 is released and extends, the elasticity of third spring 47
Tension pushes the first interior bar 3 to move upwards, and the first interior bar 3 drives sewing needle 7 to move upwards, due to the clamping of 1 proximal end of cutting tip
Face is located at below the subcutaneous tissue of patient, and the tissue of patient prevents the clamping face of 1 proximal end of cutting tip from moving up, and then prevents to wear
Barbed end 1 moves up；Because the fit system of suture fixed block 8 and the accommodation groove 11 of cutting tip 1 is interference fit, stitched after cooperation
Zygonema fixed block 8 is difficult to separate with accommodation groove 11, and sewing needle 7 and 8 clearance fit of suture fixed block；It is pressed so unclamping suture
After key 31, the first interior bar 3 drives sewing needle 7 gradually to separate with suture fixed block 8, and sewing needle 7 is retracted to the proximal end of puncturing lever 2
U-lag 22 in, suture fixed block 8 is located in the accommodation groove 11 of cutting tip 1.
It holds handle 6 and is moved up core assembly 200 is punctured, puncturing lever 2, connecting rod 45, cutting tip 1 are detached from the body of patient
Interior, suture fixed block 8 is fixedly connected with the accommodation groove 11 of cutting tip 1, and cutting tip 1 is detached from trouble with suture fixed block 8 together
Person's is internal, and because the line tail 91 of suture 9 is connect with suture fixed block 8, the line tail 91 of suture 9 is located at patient's hypodermis
Lower section, during cutting tip 1 leaves patient's body, two line tails 91 of suture 9 move up from puncturing hole, band
The proximal end 92 of dynamic suture 9 progresses into patient's body and contacts with subcutaneous tissue F, consequently facilitating passing through cutting tip 1 for line tail 91
Pull out abdominal cavity.Cutting tip 1 be detached from patient it is internal after, tense suture 9 two line tails 91 and knot after, remove extra seam
Zygonema 9 completes the suture of puncturing hole.As long as can effectively prevent puncturing because suturing the subcutaneous tissue at patient's puncturing hole
The generation of hole hernia；Preferably, it knots in the epidermis of patient or skin corium, in this way, knot is located in puncturing hole, does not leak out patient
Skin, with prevent it is postoperative encounter knot, because the subcutaneous tissue of patient has sutured, puncturing hole just will not open, and be easy to epidermis
Or skin corium heals automatically.Preferably, suture 9 is the absorbable suture of human body.
Core assembly 200 is punctured based on as described above, the present invention also provides a kind of puncture outfits 1000 to puncture with reference to Figure 18
Device 1000 further includes sheath assembly 300, when puncture, punctures core assembly 200 and is inserted into puncture cannula component 300, and guiding sleeve
Component 300 enters in abdominal cavity of patients, is operated so that other surgical operating instruments enter patient's body, sutures in cutting
After operation, puncture outfit 1000 of the invention can also suture puncturing hole.
In conclusion the adjusting method of accommodating space according to the present invention, does not need to expand puncturing hole, does not need to increase yet
Additional surgical instrument had been able to achieve the effect of puncture both to establish channel, and had entered trouble for stapler or other surgical operating instruments
In person's body；The suture of puncturing hole can be realized in narrow puncturing hole again, and can adjust and hold according to the individual difference of destination organization
Height between emptying quickly, accurately adjusts the height of required accommodating space, easy to operate.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (8)
1. a kind of adjusting method of accommodating space, which comprises the following steps:
S1: pressing inward against regulating key, while regulating key described in slide downward, and the regulating key drives second component downward
Movement, to form accommodating space between the second component and the first component；
S2: the regulating key, the fixed accommodating space are discharged.
2. the adjusting method of accommodating space according to claim 1, which is characterized in that the step S1 includes:
S11: pressing inward against the regulating key, unlocks the first locking element and the second locking element；
S12: holding regulating key described in slide downward while press inward against makes first locking element relative to described the
Two locking elements move downward.
3. the adjusting method of accommodating space according to claim 1, which is characterized in that the step S2 includes:
S21: the regulating key is discharged；
S22: adjusting the position of the regulating key, makes the first locking element relative to the second locking element locking；Make the appearance
Height between emptying is fixed.
4. the adjusting method of accommodating space according to claim 1, which is characterized in that further comprising the steps of:
S3: pressing inward against regulating key, keeps sliding the regulating key downward or upward while pressing, in accommodating space tune
After the completion of section, the stroke of the second component is further increased；
S4: the regulating key is discharged.
5. the adjusting method of accommodating space according to claim 4, which is characterized in that the step S3 includes:
S31: pressing inward against the regulating key, unlocks the first locking element and the second locking element；
S32: holding slides the regulating key while press inward against downward or upward, make first locking element relative to
Second locking element moves downward.
6. the adjusting method of accommodating space according to claim 1, which is characterized in that the adjusting unit includes the first lock
Only component and the second blocking element that can be slided relative to first blocking element, first blocking element and described second
Blocking element cooperates to control the height of the accommodating space；First blocking element include regulating key and with it is described
The adjusting rod that regulating key is connected.
7. the adjusting method of accommodating space according to claim 6, which is characterized in that the adjusting rod include locking part with
Adjustment portion, the locking part and the adjustment portion are integrally formed, and the width of the locking part is greater than the width of the adjustment portion.
8. the adjusting method of accommodating space according to claim 7, which is characterized in that if second blocking element includes
Dry the rectangular teeth and rectangular channel that are arranged alternately；The adjustment portion can be slided along second blocking element, and the locking part can
It is limited in the rectangular channel.
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| CN201710976110.5A CN109674515B (en) | 2017-10-18 | 2017-10-18 | Accommodation space adjusting method |
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|---|---|---|---|
| CN201710976110.5A CN109674515B (en) | 2017-10-18 | 2017-10-18 | Accommodation space adjusting method |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5480389A (en) * | 1994-08-09 | 1996-01-02 | Becton, Dickinson And Company | Method and apparatus for adjusting the length of a combined spinal-epidural needle |
| US5882344A (en) * | 1995-10-18 | 1999-03-16 | Stouder, Jr.; Albert E. | Adjustable length cannula and trocar |
| US6283925B1 (en) * | 1998-05-12 | 2001-09-04 | Medical Device Technologies, Inc. | Biopsy needle handle |
| US20080097479A1 (en) * | 2006-10-20 | 2008-04-24 | Raimar Boehlke | Device and method for vascular closure |
| CN101528141A (en) * | 2006-10-17 | 2009-09-09 | 华沙整形外科股份有限公司 | Orthopedic implant assembly |
| US20110082473A1 (en) * | 2009-10-07 | 2011-04-07 | Tyco Healthcare Group Lp | Wound closure device including releasable barbs |
| US20130035700A1 (en) * | 2011-08-04 | 2013-02-07 | Suture Ease, LLC | Dual insufflation and wound closure devices and methods |
| US8496632B2 (en) * | 2011-08-25 | 2013-07-30 | Ethicon Endo-Surgery, Inc. | Surgical access device with adjustable cannula |
| CN105377151A (en) * | 2013-07-15 | 2016-03-02 | 库克医学技术有限责任公司 | Suture passer and method of operating same |
| CN105636526A (en) * | 2013-09-17 | 2016-06-01 | 戈尔迪手术有限公司 | Trocar and wound closure device |
| CN105848590A (en) * | 2014-11-21 | 2016-08-10 | 金基成 | Laparoscopic port site closing apparatus |
| CN206138152U (en) * | 2016-07-20 | 2017-05-03 | 江苏三联星海医疗器械股份有限公司 | Ware is sewed up to deep manadesma |
| CN106618687A (en) * | 2016-12-09 | 2017-05-10 | 成都五义医疗科技有限公司 | Tactile feedback type puncture needle |
| CN106963516A (en) * | 2017-03-23 | 2017-07-21 | 杭州唯强医疗科技有限公司 | Intracavitary orthotopic fenestration sting device |
-
2017
- 2017-10-18 CN CN201710976110.5A patent/CN109674515B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5480389A (en) * | 1994-08-09 | 1996-01-02 | Becton, Dickinson And Company | Method and apparatus for adjusting the length of a combined spinal-epidural needle |
| US5882344A (en) * | 1995-10-18 | 1999-03-16 | Stouder, Jr.; Albert E. | Adjustable length cannula and trocar |
| US6283925B1 (en) * | 1998-05-12 | 2001-09-04 | Medical Device Technologies, Inc. | Biopsy needle handle |
| CN101528141A (en) * | 2006-10-17 | 2009-09-09 | 华沙整形外科股份有限公司 | Orthopedic implant assembly |
| US20080097479A1 (en) * | 2006-10-20 | 2008-04-24 | Raimar Boehlke | Device and method for vascular closure |
| US20110082473A1 (en) * | 2009-10-07 | 2011-04-07 | Tyco Healthcare Group Lp | Wound closure device including releasable barbs |
| US20130035700A1 (en) * | 2011-08-04 | 2013-02-07 | Suture Ease, LLC | Dual insufflation and wound closure devices and methods |
| US8496632B2 (en) * | 2011-08-25 | 2013-07-30 | Ethicon Endo-Surgery, Inc. | Surgical access device with adjustable cannula |
| CN105377151A (en) * | 2013-07-15 | 2016-03-02 | 库克医学技术有限责任公司 | Suture passer and method of operating same |
| CN105636526A (en) * | 2013-09-17 | 2016-06-01 | 戈尔迪手术有限公司 | Trocar and wound closure device |
| CN105848590A (en) * | 2014-11-21 | 2016-08-10 | 金基成 | Laparoscopic port site closing apparatus |
| CN206138152U (en) * | 2016-07-20 | 2017-05-03 | 江苏三联星海医疗器械股份有限公司 | Ware is sewed up to deep manadesma |
| CN106618687A (en) * | 2016-12-09 | 2017-05-10 | 成都五义医疗科技有限公司 | Tactile feedback type puncture needle |
| CN106963516A (en) * | 2017-03-23 | 2017-07-21 | 杭州唯强医疗科技有限公司 | Intracavitary orthotopic fenestration sting device |
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| CN109674515B (en) | 2021-08-06 |
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