CN207520164U - Ejector pin component and with its linear cutting anastomat - Google Patents
Ejector pin component and with its linear cutting anastomat Download PDFInfo
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- CN207520164U CN207520164U CN201720389994.XU CN201720389994U CN207520164U CN 207520164 U CN207520164 U CN 207520164U CN 201720389994 U CN201720389994 U CN 201720389994U CN 207520164 U CN207520164 U CN 207520164U
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Abstract
The utility model discloses a kind of ejector pin component and with its linear cutting anastomat, and ejector pin component is including being located at ejector pin grain group and ejector pin sled below suturing nail；Ejector pin grain group includes the first ejector pin grain group and the second ejector pin grain group arranged along the proximal end of nail bin towards distal direction, ejector pin sled includes respectively driving the first ejector pin sled wing group and the second ejector pin sled wing group that the first ejector pin grain group and the second ejector pin grain group move up, when ejector pin is prized by proximal end towards distal movement, the first active force that first ejector pin grain group is applied to the first ejector pin sled wing group has the first variation tendency, the second active force that second ejector pin grain group is applied to the second ejector pin sled wing group has the second variation tendency, and the second variation tendency is different from the first variation tendency.The variation tendency of active force that the first ejector pin sled wing group and the second ejector pin sled wing group of the utility model are subject to is different, the time of maximum force that the ejector pin that is effectively staggered sled different zones are subject to, prizes and promotes convenient for ejector pin, realize the laborsaving percussion of suturing nail.
Description
Technical field
It coincide the utility model is related to medical instruments field more particularly to a kind of ejector pin component and with its straight cuts
Device.
Background technology
Linear cutting anastomat is clinically used instrument, which has the function of suture and cutting two, hindered
While mouth suture, by sample cutting tissue.
Linear cutting anastomat generally comprises nail-anvil assembly, nail bin groupware and for being closed nail-anvil assembly, nail bin groupware
Closed handle.
Nail bin groupware include nail bin, in nail bin and can simultaneously relative to the nail bin movement ejector pin sledge and distally be equipped with
The push broach bar of cutter and the push button for the ejector pin sledge and push broach bar to be driven to move.Seam is disposed in the nail bin
Dowel, suturing nail lower part are correspondingly arranged on ejector pin grain, and the ejector pin sledge pushes ejector pin grain and pushes suturing nail in order successively
Nail-anvil assembly, suturing nail are molded at nail-anvil assembly, and the cutter cuts the tissue between nail bin groupware and nail-anvil assembly
It is disconnected.
Here, when suturing nail is molded at nail-anvil assembly, active force during molding reacts on ejector pin by ejector pin grain
On sled so that ejector pin sled pushes resistance larger, and medical staff, which needs to apply larger thrust, could drive ejector pin sled to advance.
In addition, ejector pin sled left and right sides of the prior art is symmetrical set, the time for the maximum force that left and right sides is subject to
Also it is identical, in this way, the peak value of maximum force that entire ejector pin sled is subject to will be increased so that ejector pin sled, which promotes, to be obstructed.
Invention content
The purpose of this utility model is to provide a kind of ejector pin component and with its linear cutting anastomat.
To realize one of above-mentioned purpose of utility model, one embodiment of the utility model provides a kind of ejector pin component, uses
In several suturing nails percussion in driving nail bin, the ejector pin component includes：
Several ejector pin grain groups below several suturing nails；
Several ejector pin grain groups is driven to move up so that the molding ejector pin of several suturing nails to be driven to prize；
Wherein, several ejector pin grain groups include the first ejector pin grain arranged along the proximal end of the nail bin towards distal direction
Group and the second ejector pin grain group, the ejector pin sled includes respectively driving the first ejector pin grain group and the second ejector pin grain group moves up
The first ejector pin sled wing group and the second ejector pin sled wing group, when the ejector pin prize by the proximal end of the nail bin towards distal movement when,
The first active force that the first ejector pin grain group is applied to first ejector pin sled wing group has the first variation tendency, and described second
The second active force that ejector pin grain group is applied to the second ejector pin sled wing group has the second variation tendency, second variation tendency
Different from first variation tendency.
As being further improved for one embodiment of the utility model, the nail bin includes the proximal end direction along the nail bin
The sliding groove of distal direction extension, the first ejector pin grain group and the second ejector pin grain group are located at the both sides of the sliding groove,
The ejector pin sled includes position-limited wing, and the first ejector pin sled wing group and second ejector pin sled wing group are located at the two of the position-limited wing
It side, the first ejector pin grain group and the asymmetric arrangement of the relatively described sliding groove of the second ejector pin grain group and/or described first pushes away
Nail sled wing group and the second ejector pin sled relatively described asymmetric arrangement of position-limited wing of wing group.
As being further improved for one embodiment of the utility model, the first ejector pin grain group and the second ejector pin grain
The relatively described sliding groove symmetry arrangement of group, and first ejector pin sled wing group and the second ejector pin sled relatively described limiting of wing group
The asymmetric arrangement of the wing.
As being further improved for one embodiment of the utility model, the first ejector pin sled wing group and second ejector pin
The relatively described position-limited wing asymmetry of distalmost end and/or first ejector pin for prizing wing group prize wing group and second ejector pin sled wing
Group is inconsistent towards the maximum length on distal direction in the nail bin proximal end.
As being further improved for one embodiment of the utility model, the first ejector pin sled wing group is included close to the limit
The ejector pin sled wing and the first outer ejector pin sled wing far from the position-limited wing in the first of the position wing, in described first ejector pin prize the wing with it is described
The line of the distalmost end of the first outer ejector pin sled wing is not parallel to the first ejector pin sled wing group and second ejector pin sled wing group
Direction of superposition.
As being further improved for one embodiment of the utility model, the second ejector pin sled wing group is included close to the limit
The ejector pin sled wing and the second outer ejector pin sled wing far from the position-limited wing in the second of the position wing, in described second ejector pin prize the wing with it is described
The distalmost end line of the second outer ejector pin sled wing is not parallel to the Direction of superposition.
As being further improved for one embodiment of the utility model, the first ejector pin grain group is included close to the slip
Ejector pin grain and the several first outer ejector pin grains far from the sliding groove in several the first of slot, in described first ejector pin grain with it is described
First outer ejector pin grain is separated from each other, and when the ejector pin is prized by the proximal end of the nail bin towards distal movement, is pushed away in described first
Ejector pin grain moves up in nail sled wing driving described first, while the first outer ejector pin sled wing is driven on the first outer ejector pin grain
It moves.
As being further improved for one embodiment of the utility model, ejector pin grain correspondence is in staggered distribution in each described first
Two suturing nails, each first outer ejector pin grain corresponds to a suturing nail.
As being further improved for one embodiment of the utility model, the first ejector pin sled wing group and second ejector pin
It is double angled ramps, and the distal end angle on the inclined-plane to prize each ejector pin sled wing in wing group and contact the inclined-plane of the ejector pin grain group
More than near end angle.
To realize one of above-mentioned purpose of utility model, one embodiment of the utility model provides a kind of straight cuts and coincide
Device, nail-anvil assembly and nail bin groupware including mutual opened/closed, the nail bin groupware include as above any one technical solution
The ejector pin component.
Compared with prior art, the beneficial effects of the utility model are：The first of one embodiment of the utility model pushes away
The variation tendency of active force that nail sled wing group and the second ejector pin sled wing group are subject to is different, in this way, ejector pin sled can be effectively staggered not
With the time for the maximum force that region is subject to, and then the peak value of maximum force that entire ejector pin sled is subject to is reduced, convenient for pushing away
Nail sled promotes, and realizes the laborsaving percussion of suturing nail.
Description of the drawings
Fig. 1 is the linear cutting anastomat stereogram of one embodiment of the utility model；
Fig. 2 is that the ejector pin component of one embodiment of the utility model and suturing nail coordinate stereogram；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the ejector pin sled stereogram of one embodiment of the utility model；
Fig. 5 is the vertical view of Fig. 4；
Fig. 6 is the left view of Fig. 4；
Fig. 7 is the right view of Fig. 4；
Fig. 8 is the ejector pin grain group schematic diagram of one embodiment of the utility model；
Fig. 9 is the front view of Fig. 2；
Figure 10 is Fig. 9 subregions enlarged drawing.
Specific embodiment
The utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that those of ordinary skill in the art are made according to these embodiments, method or
Transformation functionally is all contained in the scope of protection of the utility model.
In the utility model it is described expression position and direction word, be using equipment operator as reference, it is close
One end of operator is proximal end, and one end far from operator is distal end.
In the embodiment of the utility model, it coincide using linear cutting anastomat as example to the medical of the utility model
Device does specific explaination, but it should explanation, involved skill spirit can be by alternatively in embodiment disclosed below
It uses on the stapler of other forms.
One embodiment of the utility model provides a kind of linear cutting anastomat 100.
Join Fig. 1 and Fig. 2, linear cutting anastomat 100 includes the nail-anvil assembly 20 and nail bin groupware of mutual opened/closed
10。
Nail bin groupware 10 includes nail bin（It does not indicate）, several suturing nails 11 in nail bin and several suturing nails of driving
The ejector pin component 30 of 11 percussions.
When nail-anvil assembly 20 and nail bin groupware 10 are closed to clamp tissue to be cut, ejector pin component 30 drives several sutures
Nail 11 moves molding to suture tissue towards nail-anvil assembly 20.
In one embodiment of the utility model, ejector pin component 30 includes being located at the several of 11 lower section of several suturing nails
Ejector pin grain group 35 and driving several ejector pin grain groups 35 move up to drive several 11 molding ejector pin of suturing nail sleds 31.
Here, several suturing nails 11 and ejector pin grain group 35 extend along the proximal end of nail bin towards the direction of distal end arranges, and pushes away
Nail sled 31 be located at nail bin groupware 10 proximal ends, when ejector pin sled 31 by the proximal end of nail bin towards distal movement when, ejector pin sledge 31 is successively
Ejector pin grain group 35 is pushed in order and pushes suturing nail 11 to nail-anvil assembly 20, and suturing nail 11 is molded at nail-anvil assembly 20.
When suturing nail 11 is molded at nail-anvil assembly 20, active force during molding is reacted on by ejector pin grain group 35 to be pushed away
On nail sled 31.
In the present embodiment, several ejector pin grain groups 35 include arranging along the proximal end of the nail bin towards distal direction
The first ejector pin grain group 36 and the second ejector pin grain group 37.
Ejector pin sled 31 includes respectively driving the first ejector pin grain group 36 and the second ejector pin grain group 37 moves up
First ejector pin prizes wing group 33 and the second ejector pin sled wing group 34.
When the ejector pin sled 31 by the proximal end of the nail bin towards distal movement when, the first ejector pin grain group 36 is applied to
First directed force F 1 of the first ejector pin sled wing group 33 has the first variation tendency, and the second ejector pin grain group 37 is applied to institute
The second directed force F 2 for stating the second ejector pin sled wing group 34 has the second variation tendency, and second variation tendency is different from described first
Variation tendency.
Here, the variation tendency of active force that the first ejector pin sled wing group 33 and the second ejector pin sled wing group 34 are subject to is different, such as
This, the ejector pin that can effectively be staggered is prized time of maximum force for being subject to of 31 different zones, and then reduce entire ejector pin sled 31 by
The peak value of the maximum force arrived promotes convenient for ejector pin sled 31, realizes the laborsaving percussion of suturing nail 11.
It should be noted that the first ejector pin sled wing group 33 and the second ejector pin sled wing group 34 here can be located at ejector pin to prize
Two groups of ejector pins sled wing group of 31 left and right sides or two groups of ejector pins sled wing group that 31 sides are prized positioned at ejector pin.
In the present embodiment, with reference to Fig. 3, the nail bin includes what is extended along the proximal end of the nail bin towards distal direction
Sliding groove（It does not indicate）, the first ejector pin grain group 36 and the second ejector pin grain group 37 are located at the both sides of the sliding groove.
The ejector pin sled 31 includes position-limited wing 32, the first ejector pin sled wing group 33 and second ejector pin sled wing group 34
In the both sides of the position-limited wing 32.
When ejector pin sled 31 by nail bin proximal end towards distal movement when, position-limited wing 32 and nail bin or other component cooperate with
It limits entire ejector pin sled 31 and promotes path.
The first ejector pin grain group 36 and the asymmetric arrangement of 37 relatively described sliding groove of the second ejector pin grain group and/or
The 34 relatively described 32 asymmetric arrangement of position-limited wing of the first ejector pin sled wing group 33 and second ejector pin sled wing group.
In the prior art, when 37 symmetry arrangement of the first ejector pin grain group 36 and the second ejector pin grain group, meanwhile, the first ejector pin sled wing
33 and second ejector pin sled wing group 34 of group also symmetry arrangement when, the first directed force F 1 and second that the first ejector pin sled wing group 33 is subject to push away
The variation tendency of the second directed force F 2 that nail sled wing group 34 is subject to will be identical, the first ejector pin sled wing group 33 of the left and right sides and
The maximum force time of second ejector pin sled wing group 34 is also identical, in this way, the peak of maximum force that entire ejector pin sled 31 is subject to
Value will be high, is unfavorable for the propulsion of ejector pin sled 31.
And in the present embodiment, the first ejector pin grain group 36 at left and right sides of sliding groove and the second ejector pin grain group 37 are set
It is not right that the first ejector pin sled wing group 33 and the second ejector pin sled wing group 34 into 32 left and right sides of asymmetry and/or position-limited wing are arranged to
Claim, at least one is arranged to asymmetry for both ejector pin grain group 35 and ejector pin sled 31, can effectively realize that the first ejector pin prizes the wing
The variation tendency of the second directed force F 2 that the first directed force F 1 and the second ejector pin sled wing group 34 that group 33 is subject to are subject to is different, so as to
The ejector pin that is effectively staggered prizes the time of maximum force that 31 different zones are subject to, and then reduces the maximum that entire ejector pin sled 31 is subject to
The peak value of active force promotes convenient for ejector pin sled 31, realizes the laborsaving percussion of suturing nail 11.
In a specific example, 37 relatively described sliding groove pair of the first ejector pin grain group 36 and the second ejector pin grain group
Claim arrangement, and 34 relatively described 32 asymmetric row of position-limited wing of first ejector pin sled wing group 33 and second ejector pin sled wing group
Cloth.
Specifically, with reference to Fig. 4 to Fig. 7, the first ejector pin sled wing group 33 and second ejector pin prize the farthest of wing group 34
Relatively described 32 asymmetry of position-limited wing in end and/or first ejector pin sled wing group 33 and second ejector pin prize 34 groups of the wing in institute
It is inconsistent towards the maximum length on distal direction to state nail bin proximal end.
It can be seen that the distalmost end A of the first ejector pin sled wing group 33 is located at a left side of the distalmost end B of the second ejector pin sled wing group 34
Side, i.e. distalmost end the A position-limited wing 32 opposite with distalmost end B are asymmetric.
In addition, the maximum length L1 of the first ejector pin sled wing group 33 is more than the maximum length L2 of the second ejector pin sled wing group 34, this
In, by taking maximum length L1 is 11mm, maximum length L2 is 10.6mm as an example.
It should be noted that maximum length L1, L2 substantially refers to the corresponding length in region that ejector pin grain group 35 is passed by.
In the present embodiment, the first ejector pin sled wing group 33 and second ejector pin prize each ejector pin in wing group 34
The inclined-plane for prizing the wing contact ejector pin grain group 35 is double angled ramps, and the distal end angle beta on the inclined-plane is more than near end angle α.
Distal end angle beta is preferably 35 °, and near end angle α is preferably 19.5 °, and but not limited to this.
Here, when 31 driving ejector pin grain group 35 of ejector pin sled moves up, ejector pin grain group 35 first passes through the larger gradient of angle, then
Through the smaller gradient of over-angle, eliminate ejector pin grain group 35 and climb unstable and lead to the problem of bounce sense and abnormal sound.
It should be noted that in the case of conditions permit, the overlay length of near end angle α can be extended as possible, i.e., it is most
Amount is so that ejector pin grain 35 ramp angles of group are smaller, so as to effectively reduce the propelling resistance that ejector pin sled 31 is subject to.
In the present embodiment, the first ejector pin sled wing group 33 includes the ejector pin sled in the first of the position-limited wing 32
Wing 33a and the first outer ejector pin sled wing 33b far from the position-limited wing 32, in described first outside ejector pin sled wing 33a and described first
The line of the distalmost end of ejector pin sled wing 33b is not parallel to the first ejector pin sled wing group 33 and second ejector pin sled wing group 34
Direction of superposition.
That is, the first distalmost end A of ejector pin sled wing 33a, the first extrapolation in the first of 32 the same side of position-limited wing
The second distalmost end C of nail sled wing 33b is not flushed, and the first distalmost end A is located at the left side of the second distalmost end C, and " flushing " here refers to
Be line perpendicular to nail bin proximal end towards distal direction.
The second ejector pin sled wing group 34 includes the ejector pin in the second of the position-limited wing 32 and prizes wing 34a and far from described
Second outer ejector pin sled wing 34b of position-limited wing 32, ejector pin sled wing 34a prizes wing 34b most with the described second outer ejector pin in described second
Distal end line is not parallel to the Direction of superposition.
That is, the third distalmost end B of ejector pin sled wing 34a, the second extrapolation in the second of 32 the same side of position-limited wing
The 4th distalmost end D of nail sled wing 34b is not flushed, and third distalmost end B is located at the left side of the 4th distalmost end D.
It can be seen that in the present embodiment, the first distalmost end A, the second distalmost end C, third distalmost end B and the 4th are farthest
End D is not flushed.
In addition, the first maximum length L1 of ejector pin sled wing 33a can be equal to the second of the first outer ejector pin sled wing 33b in first
Maximum length L3, meanwhile, the third maximum length L2 of ejector pin sled wing 34a can be equal to the second outer ejector pin sled wing 34b's in second
4th maximum length L4, but not limited to this.
It should be noted that the outer ejector pin sled wing 33b of ejector pin sled wing 33a and first have the first identical distal end angle in first
1 and first near end angle α 1 of β are spent, the outer ejector pin sled wing 34b of ejector pin sled wing 34a and second have the second identical distal end angle in second
Spend 2 and second near end angle α 2 of β.
In other words, the outer ejector pin sled wing 33b shapes of ejector pin sled wing 33a and first are identical in first, both are only opposite limit
The position of the position wing 32 mutually staggers, and the outer ejector pin sled wing 34b shapes of ejector pin sled wing 34a and second are identical in second, are only the two phases
The position of position-limited wing 32 is mutually staggered, but not limited to this.
In the present embodiment, with reference to Fig. 8, the first ejector pin grain group 36 includes several first close to the sliding groove
Interior ejector pin grain 36a and the several first outer ejector pin grain 36b far from the sliding groove, ejector pin grain 36a and described the in described first
One outer ejector pin grain 36b is separated from each other.
When ejector pin sled 31 by the proximal end of the nail bin towards distal movement when, ejector pin sled wing 33a drives in described first
Ejector pin grain 36a is moved up in dynamic described first, while the first outer ejector pin sled wing 33b is driven on the first outer ejector pin grain 36b
It moves.
Two suturing nails 11 that ejector pin grain 36a correspondences are in staggered distribution in each described first, each first outer ejector pin
Grain 36b corresponds to a suturing nail 11, and but not limited to this.
Similarly, the second ejector pin grain group 37 includes the ejector pin grain 37a and separate in several the second of the sliding groove
Several second outer ejector pin grain 37b of the sliding groove, ejector pin grain 37a and the described second outer ejector pin grain 37b is mutual in described second
Separation.
When ejector pin sled 31 by the proximal end of the nail bin towards distal movement when, ejector pin sled wing 34a drives in described second
Ejector pin grain 37a is moved up in dynamic described second, while the second outer ejector pin sled wing 34b is driven on the second outer ejector pin grain 37b
It moves.
Two suturing nails 11 that ejector pin grain 37a correspondences are in staggered distribution in each described second, each second outer ejector pin
Grain 37b corresponds to a suturing nail 11, and but not limited to this.
It is understood that ejector pin sled wing 33a, the first outer ejector pin prize wing 33b's in the first of 32 homonymy of position-limited wing
Distalmost end does not flush, and the ejector pin sled wing 33a in first that has effectively been staggered at this time, the first outer ejector pin sled wing 33b are by maximum force
Time, and then further reduce the peak values of maximum force that entire ejector pin sled 31 is subject to, promote, realize convenient for ejector pin sled 31
The laborsaving percussion of suturing nail 11.
Specifically, with reference to Fig. 9 and Figure 10, it can be seen that when ejector pin sled 31 is advanced into a position, ejector pin grain in first
First on the inside of 36a, which supports nail slot 361a, preferentially abuts corresponding suturing nail 11, at this time second supporting on the outside of ejector pin grain 36a in first
Following closely has the first gap d 1 between slot 362a and corresponding suturing nail 11, the third of the first outer ejector pin grain 36b support nail slot 363a and
There is the second gap d 2, the second gap d 2 is more than the first gap d 1 between corresponding suturing nail 11.
That is, first corresponding seam is abutted to slot 363a is followed closely to nail slot 361a, second to nail slot 362a, third at this time
The time of dowel 11 mutually staggers, i.e., the outer ejector pins of ejector pin sled wing 33a and first in corresponding first that have effectively been staggered prize wing 33b by
To the time of maximum force.
Similarly, ejector pin prizes wing 34a in the second of 32 homonymy of position-limited wing, the second outer ejector pin prizes the distalmost end of wing 34b
It does not flush, can also effectively be staggered ejector pin sled wing 34a, the second outer ejector pin in second prize the maximum force that wing 34b is subject to
Time.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
The a series of tool that the feasibility embodiment only for the utility model is described in detail of those listed above
Body illustrates, they are all to be made without departing from the utility model skill spirit not to limit the scope of protection of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of ejector pin component, several suturing nails being used to drive in nail bin fire, it is characterised in that the ejector pin component packet
It includes：
Several ejector pin grain groups below several suturing nails；
Several ejector pin grain groups is driven to move up so that the molding ejector pin of several suturing nails to be driven to prize；
Wherein, several ejector pin grain groups include the first ejector pin grain group for arranging along the proximal end of the nail bin towards distal direction and
Second ejector pin grain group, ejector pin sled includes respectively driving the first ejector pin grain group and the second ejector pin grain group moves up the
One ejector pin prizes wing group and the second ejector pin sled wing group, described when the ejector pin is prized by the proximal end of the nail bin towards distal movement
The first active force that first ejector pin grain group is applied to the first ejector pin sled wing group has the first variation tendency, second ejector pin
The second active force that grain group is applied to second ejector pin sled wing group has the second variation tendency, second variation tendency different from
First variation tendency.
2. ejector pin component according to claim 1, which is characterized in that the nail bin includes the proximal end direction along the nail bin
The sliding groove of distal direction extension, the first ejector pin grain group and the second ejector pin grain group are located at the both sides of the sliding groove,
The ejector pin sled includes position-limited wing, and the first ejector pin sled wing group and second ejector pin sled wing group are located at the two of the position-limited wing
It side, the first ejector pin grain group and the asymmetric arrangement of the relatively described sliding groove of the second ejector pin grain group and/or described first pushes away
Nail sled wing group and the second ejector pin sled relatively described asymmetric arrangement of position-limited wing of wing group.
3. ejector pin component according to claim 2, which is characterized in that the first ejector pin grain group and the second ejector pin grain
The relatively described sliding groove symmetry arrangement of group, and first ejector pin sled wing group and the second ejector pin sled relatively described limiting of wing group
The asymmetric arrangement of the wing.
4. ejector pin component according to claim 3, which is characterized in that the first ejector pin sled wing group and second ejector pin
The relatively described position-limited wing asymmetry of distalmost end and/or first ejector pin for prizing wing group prize wing group and second ejector pin sled wing
Group is inconsistent towards the maximum length on distal direction in the nail bin proximal end.
5. ejector pin component according to claim 4, which is characterized in that the first ejector pin sled wing group is included close to the limit
The ejector pin sled wing and the first outer ejector pin sled wing far from the position-limited wing in the first of the position wing, in described first ejector pin prize the wing with it is described
The line of the distalmost end of the first outer ejector pin sled wing is not parallel to the first ejector pin sled wing group and second ejector pin sled wing group
Direction of superposition.
6. ejector pin component according to claim 5, which is characterized in that the second ejector pin sled wing group is included close to the limit
The ejector pin sled wing and the second outer ejector pin sled wing far from the position-limited wing in the second of the position wing, in described second ejector pin prize the wing with it is described
The distalmost end line of the second outer ejector pin sled wing is not parallel to the Direction of superposition.
7. ejector pin component according to claim 5, which is characterized in that the first ejector pin grain group is included close to the slip
Ejector pin grain and the several first outer ejector pin grains far from the sliding groove in several the first of slot, in described first ejector pin grain with it is described
First outer ejector pin grain is separated from each other, and when the ejector pin is prized by the proximal end of the nail bin towards distal movement, is pushed away in described first
Ejector pin grain moves up in nail sled wing driving described first, while the first outer ejector pin sled wing is driven on the first outer ejector pin grain
It moves.
8. ejector pin component according to claim 7, which is characterized in that ejector pin grain correspondence is in staggered distribution in each described first
Two suturing nails, each first outer ejector pin grain corresponds to a suturing nail.
9. ejector pin component according to claim 1, which is characterized in that the first ejector pin sled wing group and second ejector pin
It is double angled ramps, and the distal end angle on the inclined-plane to prize each ejector pin sled wing in wing group and contact the inclined-plane of the ejector pin grain group
More than near end angle.
10. a kind of linear cutting anastomat, it is characterised in that nail-anvil assembly and nail bin groupware including mutual opened/closed, institute
It states nail bin groupware and includes the ejector pin component as described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720389994.XU CN207520164U (en) | 2017-04-13 | 2017-04-13 | Ejector pin component and with its linear cutting anastomat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720389994.XU CN207520164U (en) | 2017-04-13 | 2017-04-13 | Ejector pin component and with its linear cutting anastomat |
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| CN207520164U true CN207520164U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720389994.XU Active CN207520164U (en) | 2017-04-13 | 2017-04-13 | Ejector pin component and with its linear cutting anastomat |
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| CN (1) | CN207520164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022141812A1 (en) * | 2020-12-30 | 2022-07-07 | 宝玛医疗科技(无锡)有限公司 | Staple carrier assembly having separated staple pushing pieces, and anastomat |
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2017
- 2017-04-13 CN CN201720389994.XU patent/CN207520164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022141812A1 (en) * | 2020-12-30 | 2022-07-07 | 宝玛医疗科技(无锡)有限公司 | Staple carrier assembly having separated staple pushing pieces, and anastomat |
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Address after: 213000 block B, 26 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu jianruibao Medical Technology Co., Ltd Address before: Hutang Town, Jiangsu city of Changzhou Province, 213001 New Road No. 256 Jiangsu Wujin Science Park building 7A Patentee before: CHANGZHOU HEALTHYPOWER MEDICAL INSTRUMENT Co.,Ltd. |