CN106691526A - Surgical instrument and rod component for same - Google Patents
Surgical instrument and rod component for same Download PDFInfo
- Publication number
- CN106691526A CN106691526A CN201611254839.3A CN201611254839A CN106691526A CN 106691526 A CN106691526 A CN 106691526A CN 201611254839 A CN201611254839 A CN 201611254839A CN 106691526 A CN106691526 A CN 106691526A
- Authority
- CN
- China
- Prior art keywords
- surgical instruments
- shaft member
- limited block
- stopper slot
- mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
Abstract
The invention relates to a rod component for a surgical instrument. The rod component comprises a longitudinal extending spindle, a triggering rod and a limit structure, the triggering rod is connected with the spindle, the limit structure is perpendicular to a longitudinal axis, the limit structure can limit the spindle to move toward the direction pushing the triggering rod to extend a cutter in a removing manner and comprises a limit groove and a limit block, the limit groove is formed in the spindle, and the limit block can separately enter the limit groove and is matched with the limit groove, so that the spindle is limited. The spindle is provided with the limit groove and the limit block capable of separately entering the limit groove, so that the spindle limited movement toward the direction pushing the triggering rod to extend the cutter, mistaken triggering is avoided, and surgical risks are reduced.
Description
Technical field
The present invention relates to a kind of surgical instruments and the shaft member for the surgical instruments.
Background technology
Surgical instruments is operation tool in medical operating, and suture instruments is the one kind in surgical instruments, and it is medically to make
The equipment for substituting manual suture, main operational principle is that detachment or identical is carried out to tissue using titanium nail, similar to stapler
Machine.It is different according to the scope of application, can be divided mainly into skin stapler, alimentary canal (esophagus, stomach and intestine etc.) circular staplers, rectum kiss
Clutch, circular hemorrhoid anastomat, anastomat for circumcision, blood vessel anastomat, hernia stapler, lung stapler etc..Stitching unstrument
Tool includes Handleset and the handle portion shaft member for connecting and the end effector being fixed on shaft member, and the end is held
The elongated nip component of a pair of matched conjunction is configured with row device, jaw member may be adapted to inserted into the patient to suture and/or cut
Tissue is cut, jaw builds sustainable receiving nail bin.Position fixing handle and firing handle are provided with Handleset, firing handle passes through
Shaft member is connected with end effector so that jaw member is moved.At present, existing suture instruments when in use, often
Operator's imprudence can occur and pull firing handle, so as to the problem of mistakenly hit hair occur.
The content of the invention
The present invention is intended to provide one kind prevents mistakenly hit from sending out, the shaft member for surgical instruments of operation risk is reduced.
A kind of shaft member for surgical instruments of the invention, including Longitudinal extending mandrel and be connected to the mandrel
Trigger shaft, the shaft member also including setting perpendicularly to the longitudinal axis position limiting structure, the position limiting structure is liftedly
Limit the mandrel to be moved to the direction for promoting the trigger shaft to go out knife, the position limiting structure includes being arranged on the mandrel
Stopper slot, and the limited block for separatably entering in the stopper slot, the limited block coordinate with to institute with the stopper slot
State mandrel spacing.
Further, the stopper slot at least includes the first confined planes, the first confined planes going out along the trigger shaft
Knife direction compresses the limited block.
Further, the stopper slot includes also including second confined planes that the second confined planes edge is hit with described
The knife direction in opposite direction that goes out for sending out bar compresses the limited block.
Further, the stopper slot is the breach being formed on the outer surface of the mandrel.
Further, the position limiting structure also includes actuated piece, the actuated piece drive the limited block be subjected to displacement from
And depart from the stopper slot.
Further, the actuated piece is connected to the one end of limited block away from the stopper slot, is formed as the limited block
Handle portion.
Further, the shaft member also includes slender axles and the closed tube being set in outside the slender axles, described
Mandrel is arranged in the slender axles, and the slender axles are provided with the through hole passed through for the limited block, are set in the closed tube
There is the elongated hole passed through for the limited block, the limited block sequentially passes through the through hole and elongated hole, and the handle portion exposes to institute
State closed tube.
Further, the elongated hole is more than length of the through hole along longitudinal axis along the length of the longitudinal axis, and
The difference of length is not less than the relatively described moveable shift value of slender axles of the closed tube.
Further, the mounting hole of the fixation limited block is provided with the slender axles.
Present invention also offers a kind of surgical instruments, the surgical instruments also includes being used for surgical instruments as previously described
Shaft member, the shaft member connects the end effector from the handle body component Longitudinal extending.
Further, the surgical instruments is suture instruments.
By such scheme, the present invention at least has advantages below：Shaft member for surgical instruments of the invention and
The surgical instruments of the shaft member is installed by perpendicular to the direction of mandrel longitudinal axis setting stopper slot and separatably
Into the limited block of stopper slot, limitation mandrel is moved to the direction for promoting the trigger shaft to go out knife, to avoid mistakenly hit from sending out, reduces hand
Art risk.
Brief description of the drawings
Fig. 1 is the structural representation of surgical instruments according to embodiments of the present invention；
Fig. 2 is the structural representation of the shaft member of the surgical instruments shown in Fig. 1；
Fig. 3 is the exploded view of the shaft member shown in Fig. 2；
Fig. 4 is the structural representation of mandrel and stopper slot；
Fig. 5 is the state diagram of mandrel and limited block in locking；
Fig. 6 is the enlarged drawing of part A in Fig. 2；
Fig. 7 is the structural representation of limited block and actuated piece.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axle
To ", " radial direction ", " circumference ", the orientation of the instruction such as " reciprocal " or position relationship be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description present invention and simplifies description, must has rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Embodiment below with reference to Description of Drawings is exemplary, it is intended to for explaining the present invention, without being understood that
It is limitation of the present invention.
Fig. 1 and Fig. 2 is referred to, the surgical instruments shown in a preferred embodiment of the present invention includes Handleset 10, from handle
The shaft member 20 of the Longitudinal extending of component 10 and it is arranged at the end effector 30 of the one end of shaft member 20.Describe for convenience,
The side that the present embodiment will be close to Handleset 10 is defined as nearside, and away from Handleset 10, near end effector 30
Side is defined as distally, and each technical characteristic has relative proximal end and distal end portion.Direction towards Handleset is near, court
It is remote to the direction of end effector.In addition, being defined as longitudinal direction, bar to the bearing of trend of end effector 30 by Handleset 10
The axis of body component 20 is defined as longitudinal axis.End effector 30 includes the insertion end 31 and fixing end 32 that are oppositely arranged, inserts
It is that end effector 30 is initially entered by the one end in operator's body in operation to enter end 31, and fixing end 32 connects with shaft member 20
Connect.The connected mode of Handleset 10, end effector 30 and Handleset 10 and shaft member 20, shaft member 20 and end
The connected mode of actuator 30 is same as the prior art, therefore repeats no more.Surgical instruments is specially suture instruments, such as stapler.
Fig. 2 to Fig. 4 is referred to, shaft member 20 includes slender axles 21, and slender axles 21 include being defined in passage therein, should
Passage can be connected to proximal end, trigger shaft slideably received within mandrel 23 and the trigger shaft 25 being connected with mandrel 23, mandrel 23
25 one end are connected to mandrel 23, and the other end is connected to the proximal end of end effector 30；Pressure is additionally provided with the passage of slender axles 21
Bar 26 and pull bar 24, depression bar 26 are arranged on the top of trigger shaft 25 to stablize trigger shaft 25, the one end of pull bar 24 and joint head assembly
27 connections, the other end is connected to knob assembly 28；Shaft member 20 also includes being set in the closed tube 22 outside slender axles 21.
Refer to Fig. 4 and Fig. 5 and combine Fig. 3, the also position limiting structure including setting perpendicularly to the longitudinal axis of shaft member 20,
Position limiting structure includes the stopper slot 291 being arranged on mandrel 23, also including that can enter stopper slot 291 or depart from from stopper slot 291
Limited block 292, limited block 292 and stopper slot 291 coordinate with spacing to mandrel 23, and then limits mandrel 23 to promoting trigger shaft
The 25 direction movements for going out knife.
Fig. 4 and Fig. 5 is referred to, stopper slot 291 at least includes the first confined planes (non-label in figure), and the first confined planes edge is hit
The knife direction that goes out for sending out bar 25 compresses limited block 292, at least so that limited block 292 supports the first confined planes with reaction force, limitation
Mandrel 23 distad holds movement.In the present embodiment, stopper slot 291 also includes the second confined planes (non-label in figure), the second limit
Plane compresses limited block 292 in another direction, the other direction and trigger shaft 25 to go out knife in opposite direction.Thus the limited block
292 can also limit mandrel 23 moves to proximal end, that is to say, that no matter drive mandrel 23 distad to hold propulsion trigger shaft 25, also
It is to drive mandrel 23 to retract trigger shaft 25 to proximal end to be required for departing from limited block 292 from stopper slot 291.In the excellent of invention
Select in implementation method, stopper slot 291 is the breach being formed on the outer surface 231 of mandrel 23, in other embodiments, mandrel
Upper can be set has projection, and projection encloses with mandrel and sets to form stopper slot, or, projection is provided with mandrel, stopper slot is formed in convex
On block.Mandrel 23 is the cylindrical structure of elongate.
Refer to Fig. 5 to Fig. 7, position limiting structure also includes actuated piece, actuated piece drive the limited block 292 be subjected to displacement from
And depart from stopper slot 291.Specific " displacement " refers to the action extracted in the present embodiment, i.e. limited block 292 is into and out
The mode of stopper slot 291 is plug-in：When limited block 292 is inserted into stopper slot 291, limited block 292 limits mandrel 23 towards hitting
That sends out bar 25 goes out knife direction (arrow a directions in Fig. 3) movement, and when needing percussion, by limited block 292 from stopper slot 291
Middle extraction, releases the limitation to mandrel 23 so that trigger shaft 25 can go out knife.Certainly, on the mode of " displacement ", it is possibility to have its
His conversion, does not enumerate herein.For the ease of operation, actuated piece is connected to limited block 292 away from the one of stopper slot 191
End, is formed as the handle portion 2922 of limited block 292.That is, limited block 292 includes the limit being inserted into stopper slot 291
Position portion 2921 and the handle portion 2922 of limiting section 2921 is connected to, slender axles 21 are provided with the through hole passed through for limited block 292 (not
Sign), closed tube 22 is provided with the elongated hole 221 passed through for limited block 292, and handle portion 2922 is exposed to the outside of closed tube 22；
Specifically in the present embodiment, handle portion 2922 is in cylindrical structural.
Fig. 3 and Fig. 6 is referred to, because end effector 30 is when positioning, closed tube 22 needs relatively thin major axis 21
Go out knife direction (arrow a directions in Fig. 2) movement, to promote end effector 30 to close, and now, core along trigger shaft 25
Axle 23 and position limiting structure relatively thin major axis 21 are not moved, so, the difference of the length of elongated hole 221 and through hole is not less than the phase of closed tube 22
To the moveable shift value of slender axles 21.
Fig. 4 to Fig. 7 is referred to, in original state (when trigger shaft 25 is not fired), the limiting section 2921 of limited block 292 is inserted
Enter to stopper slot 291, to realize the locking of limited block 292 and mandrel 23, prevent trigger shaft 25 from firing, and need to release to core
During the locking of axle 23, need to only clamp and pull handle portion 2922 so that by the limiting section 2921 of limited block 292 from stopper slot 291
Extract.The mounting hole (non-label) of limited block 292 described in limited location is set on the slender axles 21.The limited block 292
It is limited in mounting hole, to prevent limited block 292 from being rocked in lock-out state.
Fig. 3 to Fig. 5 is referred to, the operation principle of the above-mentioned shaft member 20 for surgical instruments is as follows：In original state
When (trigger shaft 25 is not fired), limited block 292 is inserted into the stopper slot 291 of mandrel 23, limited block 292 and the shape of stopper slot 291
Into lock-out state, due to the interference of limited block 292, mandrel 23 cannot go out knife direction movement (arrow a in Fig. 3 towards trigger shaft 25
Direction), and then trigger shaft 25 cannot be promoted to go out knife, so as to mistakenly hit can be avoided to send out；When needing trigger shaft 25 to go out knife, will limit
Position block 292 is extracted from stopper slot 291, and now, limited block 292 is unlocked with stopper slot 291, at the same time, driving handle component
Firing handle, to realize that trigger shaft 25 is fired.Being provided with the surgical instruments of above-mentioned shaft member 20 when in use can be with
Avoid mistakenly hit from sending out, reduce operation risk.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level 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 to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (11)
1. a kind of mandrel of shaft member for surgical instruments, including Longitudinal extending and the trigger shaft for being connected to the mandrel,
It is characterized in that：The shaft member also position limiting structure including setting perpendicularly to the longitudinal axis, the position limiting structure can be released
The limitation mandrel in ground is moved to the direction for promoting the trigger shaft to go out knife, and the position limiting structure includes being arranged on the mandrel
Stopper slot, and the limited block for separatably entering in the stopper slot, the limited block and the stopper slot coordinate with right
The mandrel is spacing.
2. the shaft member for surgical instruments according to claim 1, it is characterised in that：The stopper slot at least includes
First confined planes, first confined planes compress the limited block along the knife direction that goes out of the trigger shaft.
3. the shaft member for surgical instruments according to claim 2, it is characterised in that：The stopper slot also includes bag
The second confined planes are included, the second confined planes edge compresses the limited block with the knife direction in opposite direction that goes out of the trigger shaft.
4. the shaft member for surgical instruments according to claim 1, it is characterised in that：The stopper slot is to be formed in
Breach on the outer surface of the mandrel.
5. the shaft member for surgical instruments according to claim 1, it is characterised in that：The position limiting structure also includes
Actuated piece, the actuated piece drives the limited block to be subjected to displacement so as to depart from the stopper slot.
6. the shaft member for surgical instruments according to claim 5, it is characterised in that：The actuated piece connection or one
It is body formed in the limited block away from one end of the stopper slot, be formed as handle portion.
7. the shaft member for surgical instruments according to claim 6, it is characterised in that：The shaft member also includes
Slender axles and the closed tube being set in outside the slender axles, the mandrel are arranged in the slender axles, are set on the major axis
Have a through hole passed through for the limited block, the closed tube is provided with the elongated hole passed through for the limited block, the limited block according to
It is secondary through the through hole and elongated hole, the handle portion exposes to the closed tube.
8. the shaft member for surgical instruments according to claim 7, it is characterised in that：The elongated hole is along the longitudinal direction
The length of axis is more than length of the through hole along longitudinal axis, and the difference of length is relatively described elongated not less than the closed tube
The moveable shift value of axle.
9. the shaft member for surgical instruments according to claim 8, it is characterised in that：It is provided with the slender axles
The mounting hole of the fixation limited block.
10. a kind of surgical instruments, including Handleset and end effector, it is characterised in that：The surgical instruments is also included such as
The shaft member for surgical instruments described in any one of claim 1~9, the shaft member is from the Handleset longitudinal direction
Extend, and connect the end effector.
11. surgical instruments according to claim 10, it is characterised in that：The surgical instruments is suture instruments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254839.3A CN106691526A (en) | 2016-12-29 | 2016-12-29 | Surgical instrument and rod component for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254839.3A CN106691526A (en) | 2016-12-29 | 2016-12-29 | Surgical instrument and rod component for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106691526A true CN106691526A (en) | 2017-05-24 |
Family
ID=58904658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254839.3A Pending CN106691526A (en) | 2016-12-29 | 2016-12-29 | Surgical instrument and rod component for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106691526A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216929A (en) * | 2017-12-29 | 2018-06-29 | 江苏风和医疗器材股份有限公司 | Packing box |
| CN111265266A (en) * | 2018-12-05 | 2020-06-12 | 苏州英途康医疗科技有限公司 | Medical instrument |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147690A (en) * | 2007-10-31 | 2008-03-26 | 魏文聪 | Gun type hemorrhoid operation anastomat |
| CN101292887A (en) * | 2008-06-17 | 2008-10-29 | 常州市三联星海医疗器械制造有限公司 | Disposable percussion protecting device of linear suture device |
| CN101507629A (en) * | 2008-02-14 | 2009-08-19 | 伊西康内外科公司 | Surgical stapling apparatus with articulatable components |
| CN101683280A (en) * | 2008-09-23 | 2010-03-31 | 伊西康内外科公司 | Accessing data stored in a memory of a surgical instrument |
| CN201939415U (en) * | 2010-12-11 | 2011-08-24 | 常州市海达医疗器械有限公司 | Disposable laparoscope cutting suturing device |
| CN104586452A (en) * | 2015-02-15 | 2015-05-06 | 王超航 | Clamping insurance device for surgical suture device |
| CN104586449A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and percussion safety mechanism thereof |
| CN204452343U (en) * | 2014-12-31 | 2015-07-08 | 徐州工业职业技术学院 | A kind of pre-applied force formula life-saving hammer |
| CN204744286U (en) * | 2015-02-12 | 2015-11-11 | 常州市智业医疗仪器研究所有限公司 | Automatic linear anastomat of both hands handle |
-
2016
- 2016-12-29 CN CN201611254839.3A patent/CN106691526A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147690A (en) * | 2007-10-31 | 2008-03-26 | 魏文聪 | Gun type hemorrhoid operation anastomat |
| CN101507629A (en) * | 2008-02-14 | 2009-08-19 | 伊西康内外科公司 | Surgical stapling apparatus with articulatable components |
| CN101292887A (en) * | 2008-06-17 | 2008-10-29 | 常州市三联星海医疗器械制造有限公司 | Disposable percussion protecting device of linear suture device |
| CN101683280A (en) * | 2008-09-23 | 2010-03-31 | 伊西康内外科公司 | Accessing data stored in a memory of a surgical instrument |
| CN201939415U (en) * | 2010-12-11 | 2011-08-24 | 常州市海达医疗器械有限公司 | Disposable laparoscope cutting suturing device |
| CN204452343U (en) * | 2014-12-31 | 2015-07-08 | 徐州工业职业技术学院 | A kind of pre-applied force formula life-saving hammer |
| CN104586449A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and percussion safety mechanism thereof |
| CN204744286U (en) * | 2015-02-12 | 2015-11-11 | 常州市智业医疗仪器研究所有限公司 | Automatic linear anastomat of both hands handle |
| CN104586452A (en) * | 2015-02-15 | 2015-05-06 | 王超航 | Clamping insurance device for surgical suture device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216929A (en) * | 2017-12-29 | 2018-06-29 | 江苏风和医疗器材股份有限公司 | Packing box |
| CN111265266A (en) * | 2018-12-05 | 2020-06-12 | 苏州英途康医疗科技有限公司 | Medical instrument |
| CN111265266B (en) * | 2018-12-05 | 2021-07-02 | 苏州英途康医疗科技有限公司 | Medical instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |