CN106821439A - Surgical instruments - Google Patents
Surgical instruments Download PDFInfo
- Publication number
- CN106821439A CN106821439A CN201611254837.4A CN201611254837A CN106821439A CN 106821439 A CN106821439 A CN 106821439A CN 201611254837 A CN201611254837 A CN 201611254837A CN 106821439 A CN106821439 A CN 106821439A
- Authority
- CN
- China
- Prior art keywords
- surgical instruments
- handle
- fixture block
- draw
- groove
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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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)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of surgical instruments, including Handleset, the fixed handle that the Handleset includes head shell, extended downwardly by head shell, and be movably connected with the firing handle of the head shell, the firing handle is operationally operated to the fixed handle movement with driving to fire, it is characterised in that：The surgical instruments also includes the position-limit mechanism being arranged on Handleset, and in original state, the position-limit mechanism limits the firing handle and moved towards the fixed handle direction.Fixed handle fixed handle, by setting position-limit mechanism on Handleset, and in original state, the position-limit mechanism simultaneously limits firing handle towards fixed handle direction movement to the surgical instruments, so as to prevent maloperation, helps to reduce operation risk.
Description
Technical field
The present invention relates to a kind of 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 transmission component, coats shaft member and setting that the Handleset and the transmission component of the transmission component are connected
In the end effector of described shaft member one end, the elongated nip component of a pair of matched conjunction is configured with the end effector,
Jaw member may be adapted to inserted into the patient to suture and/or cut tissue, the sustainable receiving nail bin of jaw member.Transmission component
Moved with reality including the Locating driver bar for driving end effector closed orientation tissue and the jaw member for driving end effector
Now suture and/or cut the percussion drive rod of tissue, the Handleset include position fixing handle on the Locating driver bar and
Firing handle on percussion drive rod.At present, when in use, operator is not often small for existing suture instruments
The heart pulls firing handle, so as to the problem of maloperation occur.
The content of the invention
Maloperation can be prevented it is an object of the invention to provide one kind, helps to reduce the surgical instruments of operation risk.
In order to achieve the above object, the technical solution adopted in the present invention is as follows：
A kind of surgical instruments, including Handleset, the Handleset include head shell, are extended downwardly by head shell
Fixed handle, and be movably connected with the firing handle of the head shell, the firing handle is operationally to described
To drive percussion to operate, the surgical instruments also includes the position-limit mechanism being arranged on Handleset, first for fixed handle movement
During beginning state, the position-limit mechanism limits the firing handle and is moved towards the fixed handle direction.
Further, the firing handle is pivotably coupled to the head shell, the position restrainer around pivotal axis
Structure is arranged in the firing handle and on the head shell, limits the firing handle near the side of the fixed handle
To rotation.
Further, the position-limit mechanism includes the draw-in groove and fixture block that cooperate, and the draw-in groove is arranged on the head
On one of housing or the firing handle, the fixture block is arranged on the head shell or the firing handle wherein
On another, in original state, at least a portion of the fixture block enters the draw-in groove.
Further, the draw-in groove is arranged on the head shell, and the fixture block is arranged in the firing handle.
Further, the draw-in groove is arranged at the pivotal axis radially.
Further, the position-limit mechanism also includes being arranged at the elastic component of fixture block one end, and the elastic component is by the card
Block is biased to the direction for inserting the draw-in groove.
Further, the elastic component is stage clip.
Further, the position-limit mechanism also includes unlock piece, and the unlock piece operationally resists the elastic component
Bias force, the fixture block is exited from the draw-in groove.
Further, the unlock piece is the projection being formed on the fixture block, and the projection has perpendicular to the card
The plane of the block direction of motion.
Further, the unlock piece includes operating side, and the housing of the firing handle is provided with and is available for operating side to pass through
Through hole, the length of through hole departs from the stroke moved needed for the draw-in groove not less than the fixture block.
By such scheme, the present invention at least has advantages below：Surgical instruments of the invention is by Handleset
Position-limit mechanism is set, and in original state, the position-limit mechanism limits firing handle and is moved towards fixed handle direction, so as to prevent
Maloperation, helps to reduce operation risk.
Brief description of the drawings
Fig. 1 be one embodiment of the invention surgical instruments be in original state when structural representation；
Fig. 2 is the enlarged drawing at position shown in A in Fig. 1；
Fig. 3 is the structural representation of fixture block and stage clip；
Fig. 4 be surgical instruments be in original state when part-structure schematic diagram；
Fig. 5 is the enlarged drawing at position shown in B in Fig. 4.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Retouched of the invention
In stating, 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 ", " clockwise ", " counterclockwise ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship.
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 is referred to, the surgical instruments 200 shown in one embodiment of the invention includes Handleset 40, is arranged on handle group
Transmission component (non-label) in part 40, the shaft member 50 being connected with Handleset 40 by transmission component and it is arranged at shaft
The end effector 60 of the one end of component 50.For convenience of describing, the central axis of shaft member in accompanying drawing 50 is considered as longitudinal axis,
The side of end effector 60 is considered as left side, and the side of Handleset 40 is considered as right side, while defining Handleset 40
Head shell 41 is top, and fixed handle 45 is relative lower section.Transmission component including rack-and-pinion etc., the knot of the transmission component
The company of structure, the connected mode of the structure of shaft member 50 and transmission component and shaft member 50, transmission component and Handleset 40
Mode, shaft member 50 are connect with the connected mode and end effector 60 of Handleset 40 and the connected mode of shaft member 50
It is same as the prior art, therefore repeat no more.The head shell 41 of the Handleset 40 including fixed conveyor component, by head shell
Fixed handle 45 that body 41 is extended downwardly and transmission component connection make end effector 60 close and then position tissue to link
Position fixing handle 43 and be connected with transmission component and by drive transmission component so that drive end effector 60 realize suture
And/or the firing handle 44 of cutting tissue.
Position fixing handle 43, firing handle 44 and fixed handle 45 are located at the lower section of head shell 41, position fixing handle 43 and hit
Hair handle 44 is connected by the opening (not shown) of the lower section of head shell 41 with transmission component, and is movably connected in head shell
Body 41, specifically, two pivotal axis that position fixing handle 43 and firing handle 44 can respectively be compassingly set at head shell 41 (are not schemed
Show) it is pivoted motion.Firing handle 44 and fixed handle 45 are oppositely arranged on the left and right sides of position fixing handle 43.Certainly, it is fixed
Whether its function not necessarily, can be integrated into firing handle 44 by position handle 43 in some cases, thus have positioning hand
Handle 43 does not influence implementation of the invention.
Surgical instruments in the preferred embodiment for the present invention also includes the position-limit mechanism 42 being arranged on Handleset 40,
During original state, position-limit mechanism 42 limits firing handle 44 and is moved towards the direction of fixed handle 45, so as to prevent maloperation, helps
In reduction operation risk.In embodiments of the present invention, position-limit mechanism 42 is arranged in firing handle 44 and head shell 41,
Rotated to the direction near the fixed handle 45 with limiting firing handle 44.Fig. 2 to Fig. 5 is referred to, in the present embodiment, limit
Position mechanism 42 includes draw-in groove 421 and the fixture block 422 being adapted to draw-in groove 421.In a preferred embodiment of the invention, draw-in groove 421
It is arranged on head shell 41, fixture block 422 is arranged in firing handle 44, in original state, one end insertion card of fixture block 422
Rotated towards the direction of fixed handle 45 with limiting firing handle 44 in groove 421.Further, as shown in figure 5, draw-in groove 421 is from head
The bottom notch of portion's housing 41 is formed, and specifically, the draw-in groove 421 is arranged in the fixed plate 411 of head shell 41, draw-in groove 421
The bottom notch of self-retaining plate 411 is formed.Certainly, the set-up mode of another draw-in groove 421 is additionally provided in the present embodiment：Card
Groove 421 be arranged at firing handle 44 around rotate pivotal axis radially, i.e., being radially provided with for pivotal axis can accommodate fixture block 422
Draw-in groove 421.In this way, the fixture block 422 on 44 in the original state, firing handle inserts the draw-in groove for being arranged at and pivoting Axial and radial
It is interior so that firing handle 44 cannot be pivoted relative to each other again axle rotation.In other words, draw-in groove is set in the other positions of head shell 41
421 is also desirable, as long as the motion of the opposing headers housing 41 of firing handle 44 can be limited.
In the present embodiment, the position-limit mechanism 42 also includes being arranged at the elastic component 423 of the one end of fixture block 422, the elastic component 423
Fixture block 422 is biased to the direction of insertion draw-in groove 421.Elastic component 423 can be stage clip.Certainly, above-mentioned draw-in groove 421 and fixture block
422 position can also be exchanged, i.e., draw-in groove 421 can also be arranged in firing handle 44, and fixture block 422 is arranged at into head
In housing, in original state, fixture block 422 snaps in draw-in groove 421, to limit the percussion campaign of firing handle 44.As for specific
Implementation method, because its principle is identical with the mode of above-mentioned introduction, therefore here is omitted.
In order to touch firing handle 44 when needed, position-limit mechanism also includes unlock piece, and unlock piece operationally resists bullet
The bias force of property part 423, makes fixture block 422 be exited from draw-in groove 421, so as to allow firing handle 44 around pivot axis.Specifically
Ground, unlock piece is the projection 422a being formed on fixture block 422, and projection 422a has the plane perpendicular to the direction of motion of fixture block 422.
For ease of description, Fig. 2, Fig. 3 and Fig. 5 are referred to, fixture block 422 includes rod body part 422b and the projection positioned at rod body part 422b one end
422a, projection 422a and rod body part 422b form T fonts, and projection 422a supports stage clip 423, in original state, stage clip 423
Fixture block 422 is biased in its natural state, is made it into draw-in groove 421, and when actuating firing handle 44 is needed, it is convex by operating
Block 422a makes its compression press spring 423 so that fixture block 422 deviates from draw-in groove 421.The enclosure interior of firing handle 44 is provided with accommodating stage clip
423 and the cavity (diagram) of fixture block 422, the side of the headward housing 41 of cavity is provided with opening so that fixture block is passed through,
The opposite side of cavity is the cavity inner wall of closing, and one end of stage clip 423 supports the cavity inner wall, and the other end supports fixture block 422.Solution
Latch fitting also includes operating side, and the housing of firing handle 44 is provided with the through hole 4417 for being available for operating side to pass through, the length of through hole 4417
Degree departs from the stroke moved needed for draw-in groove 421 not less than fixture block 422, and in the present embodiment, operating side is projection 422a and exposes
In the part of the housing of firing handle 44.
Incorporated by reference to Fig. 1, Fig. 2 and Fig. 5, above-mentioned surgical instruments 200 in original state (when not firing), in stage clip 423
Under effect, the rod body part 422b of fixture block 422 is inserted into draw-in groove 421, and now, fixture block 422 and draw-in groove 421 coordinate and hit so as to limiting
Hair handle 44 is moved towards the direction of fixed handle 45, that is, prevent firing handle 44 from being sent out by mistakenly hit.When surgical instruments 200 needs percussion
When, first, downward external force is applied on the projection 422a of fixture block 422, drive fixture block 422 towards the reverse shifting of head shell 41
Dynamic, now, the compression press spring 423 of fixture block 422 after one end of fixture block 422 removes from draw-in groove 421, then pulls firing handle 44,
Firing handle 44 is driven to be rotated towards the direction of fixed handle 45, until percussion is completed；After the completion of percussion, firing handle 44 is answered
Position, now, the external force being applied on the projection 422a of fixture block 422 is removed, fixture block 422 in the presence of stage clip 423, towards draw-in groove
421 movements, until one end of fixture block 422 is re-inserted into draw-in groove 421.The position-limit mechanism of above-described embodiment passes through draw-in groove and card
The cooperation of block realizes that certainly, position-limit mechanism can also be other fit structures, such as buckle and grab, or other abilities
The means that domain personnel commonly use, here is omitted.It is understood that above-described embodiment is exemplary, it is impossible to be interpreted as right
Limitation of the invention, one of ordinary skill in the art can be changed to above-described embodiment, repair within the scope of the invention
Change, replace and modification.
In sum, above-mentioned surgical instruments is on Handleset by setting position-limit mechanism, and in original state, the limit
Position mechanism connects head shell and firing handle and limits firing handle and moved towards the direction of position fixing handle and fixed handle, so that
Maloperation is prevented, helps to 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 or can communicate each other；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with
Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
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.
Claims (10)
1. a kind of surgical instruments, including Handleset, the Handleset includes head shell, is extended downwardly by head shell
Fixed handle and it is movably connected with the firing handle of the head shell, the firing handle is operationally to described solid
Determine handle movement to drive percussion to operate, it is characterised in that：The surgical instruments is also spacing on Handleset including being arranged on
Mechanism, in original state, the position-limit mechanism limits the firing handle and is moved towards the direction of the fixed handle.
2. surgical instruments according to claim 1, it is characterised in that：The firing handle rotatably connects around pivotal axis
The head shell is connected to, the position-limit mechanism is arranged in the firing handle with the head shell, is hit described in limitation
Hair handle rotates to the direction near the fixed handle.
3. surgical instruments according to claim 2, it is characterised in that：The position-limit mechanism include cooperate draw-in groove and
Fixture block, the draw-in groove is arranged on one of the head shell or the firing handle, and the fixture block is arranged on described
Head shell or the firing handle it is wherein another on, in original state, at least a portion of the fixture block enters described
Draw-in groove.
4. surgical instruments according to claim 3, it is characterised in that：The draw-in groove is arranged on the head shell, institute
Fixture block is stated to be arranged in the firing handle.
5. surgical instruments according to claim 4, it is characterised in that：The draw-in groove is arranged at the radial direction of the pivotal axis
On.
6. the surgical instruments according to any one of claim 3 to 5, it is characterised in that：The position-limit mechanism also includes elasticity
Part, the elastic component biases the fixture block to the direction for inserting the draw-in groove.
7. surgical instruments according to claim 6, it is characterised in that：The elastic component is stage clip.
8. surgical instruments according to claim 6, it is characterised in that：The position-limit mechanism also includes unlock piece, the solution
Latch fitting operationally resists the bias force of the elastic component, and the fixture block is exited from the draw-in groove.
9. surgical instruments according to claim 8, it is characterised in that：The unlock piece be formed in it is convex on the fixture block
Block.
10. surgical instruments according to claim 8, it is characterised in that：The unlock piece includes operating side, the percussion hand
The housing of handle is provided with the through hole for being available for operating side to pass through, and the length of through hole is moved needed for departing from the draw-in groove not less than the fixture block
Dynamic stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254837.4A CN106821439A (en) | 2016-12-29 | 2016-12-29 | Surgical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254837.4A CN106821439A (en) | 2016-12-29 | 2016-12-29 | Surgical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106821439A true CN106821439A (en) | 2017-06-13 |
Family
ID=59113507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254837.4A Pending CN106821439A (en) | 2016-12-29 | 2016-12-29 | Surgical instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106821439A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036262A1 (en) * | 2019-08-23 | 2021-03-04 | 江苏风和医疗器材股份有限公司 | End actuator driving device for surgical instrument, and surgical instrument |
| CN112754573A (en) * | 2021-01-18 | 2021-05-07 | 常州安康医疗器械有限公司 | Electric endoscope anastomat with standby battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103271751A (en) * | 2013-05-24 | 2013-09-04 | 北京中法派尔特医疗设备有限公司 | Straight line cutting stitching instrument under endoscope and safety device thereof |
| US20150080911A1 (en) * | 2013-09-17 | 2015-03-19 | Covidien Lp | Surgical device with a trigger lockout mechanism device |
| CN104434254A (en) * | 2014-12-15 | 2015-03-25 | 天津万和医疗器械有限公司 | Hernia anastomat and safety appliance thereof |
| CN205307057U (en) * | 2016-02-03 | 2016-06-15 | 刘欢 | Prepuce cutting anastomat |
| CN106037850A (en) * | 2016-07-07 | 2016-10-26 | 江苏风和医疗器材有限公司 | Surgical instrument |
-
2016
- 2016-12-29 CN CN201611254837.4A patent/CN106821439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103271751A (en) * | 2013-05-24 | 2013-09-04 | 北京中法派尔特医疗设备有限公司 | Straight line cutting stitching instrument under endoscope and safety device thereof |
| US20150080911A1 (en) * | 2013-09-17 | 2015-03-19 | Covidien Lp | Surgical device with a trigger lockout mechanism device |
| CN104434254A (en) * | 2014-12-15 | 2015-03-25 | 天津万和医疗器械有限公司 | Hernia anastomat and safety appliance thereof |
| CN205307057U (en) * | 2016-02-03 | 2016-06-15 | 刘欢 | Prepuce cutting anastomat |
| CN106037850A (en) * | 2016-07-07 | 2016-10-26 | 江苏风和医疗器材有限公司 | Surgical instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036262A1 (en) * | 2019-08-23 | 2021-03-04 | 江苏风和医疗器材股份有限公司 | End actuator driving device for surgical instrument, and surgical instrument |
| CN112754573A (en) * | 2021-01-18 | 2021-05-07 | 常州安康医疗器械有限公司 | Electric endoscope anastomat with standby battery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |