CN205198062U - Circular tube -type anastomat and nail barrel assembly thereof - Google Patents
Circular tube -type anastomat and nail barrel assembly thereof Download PDFInfo
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- CN205198062U CN205198062U CN201521063599.XU CN201521063599U CN205198062U CN 205198062 U CN205198062 U CN 205198062U CN 201521063599 U CN201521063599 U CN 201521063599U CN 205198062 U CN205198062 U CN 205198062U
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Abstract
The utility model discloses a circular tube -type anastomat and nail barrel assembly thereof, nail section of thick bamboo subassembly including a nail section of thick bamboo and set up in in the nail section of thick bamboo and with the nail storehouse that a nail section of thick bamboo was fixed mutually, its characterized in that: be equipped with a plurality of nail holes of putting on the terminal surface in nail storehouse, at least one the profile of putting the nail hole is the axial symmetry, just put the nail hole all symmetry axis the orientation with the equal nonparallel of radius orientation of terminal surface. The utility model discloses an at least, compare in the slope of inner circle tangent line and the out of plumb setting of terminal surface in the partial nail hole of putting, so, a plurality of seam nail of sewing up the both ends tissue also is relative tilt state arranges, can reduce the probability of blood from the clearance outflow of seam nail to strengthen hemostatic effect.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of circular-pipe anastomat and screw barrel component thereof.
Background technology
Surgeon, after a part of carrying out the human body such as intestinal, esophagus cast physiological tissue carries out excision, when the cast physiological tissue stayed be connected, normally adopts special identical pin to carry out stitching by circular-pipe anastomat and connects.
Existingly, circular-pipe anastomat comprises screw barrel component, and the anvil assembly coordinated with described screw barrel component.Described screw barrel component comprises nail barrel, be arranged at described nail barrel in and the nail bin fixed with described nail barrel and cutting knife; Described anvil assembly comprises round table-like nail anvil, is fixed on the nail-anvil cap at its top, is arranged on the cutter anvil of nail anvil inside and plays the pin anvil shaft with screw barrel component interconnect function.Described anvil assembly to be connected with anastomat body by this pin anvil shaft and to move back and forth, when carrying out identical, first, the nail anvil of this anvil assembly and the nail bin of screw barrel component can clamp containing two ends tissue and send out nail by nail bin, coordinate nail anvil to coincide two ends tissue, meanwhile, cutting knife is pushed out and by containing rear unnecessary cutting tissue.
Usually, the end face of nail bin is formed and puts nail, the staple in nail bin is put nail through corresponding and sew up two ends tissue.Blood effect is closed at present in order to improve, usually formed on nail bin end face inside and outside two circles in the form of a ring and be parallel to each other put nail, so, also arrange in the circulus of inside and outside two circles after sewing up the staple percussion of two ends tissue, but the staple of inside and outside two circle correspondence positions is parallel to each other, and the gap between staple is larger and unobstructed, blood is easily flowed out by staple gap location, causes closing blood poor effect.
Summary of the invention
The purpose of this utility model is to provide a kind of circular-pipe anastomat and screw barrel component thereof.
For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, the end face of described nail bin is provided with somely puts nail, put the profile of nail described at least one axisymmetricly, and described in put the radius orientation of the orientation of all axis of symmetry of nail and described end face all not parallel.
As the further improvement of this utility model one embodiment, the end face of described nail bin is provided with some outer shrouds and puts nail and some internal ring put nail, at least one described internal ring puts nail ovalize, and described internal ring puts the mid point of nail and distance between major axis summit and the central point of described end face is different, described internal ring put the mid point of nail and distance between minor axis vertex and the central point of described end face different.
As the further improvement of this utility model one embodiment, the distance that two adjacent described internal ring are put between the described mid point of nail and the central point of described end face is different.
For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, the end face of described nail bin is provided with somely puts nail group, put nail group described in each to comprise first and put nail and the 3rd and put nail, described first puts nail and the described 3rd puts between nail and forms angle.
As the further improvement of this utility model one embodiment, the some described 3rd puts nail composition annular.
As the further improvement of this utility model one embodiment, described 3rd maximum diameter of hole of putting nail is greater than the maximum diameter of hole that described first puts nail.
As the further improvement of this utility model one embodiment, put nail group described in each also to comprise second and put nail, described first puts nail and described second puts nail and is positioned at the same side that the described 3rd puts nail, and described first puts nail and the described second angle put between nail is obtuse angle.
As the further improvement of this utility model one embodiment, described first to put nail different from described second distance of putting between the mid point of nail and the central point of described end face.
For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, the end face of described nail bin is at least provided with spaced apart first to put nail group and second and put nail group, described first puts nail group comprises some first and puts nail, described second puts nail group comprises some second and puts nail, described first put nail and described second put nail at least one of them profile axisymmetricly, and described in put the radius orientation of the orientation of all axis of symmetry of nail and described end face all not parallel.
For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of circular-pipe anastomat, comprises screw barrel component as above.
Compared with prior art, the beneficial effects of the utility model are: of the present utility model put at least partly nail compared to the inner ring tangential tilt of end face and out of plumb arrange, so, sew up several staples of two ends tissue also in relative tilt status park, the probability that blood flows out from staple gap location can be reduced, thus strengthen haemostatic effect.
Accompanying drawing explanation
Fig. 1 is prior art part circular-pipe anastomat first angle schematic perspective view;
Fig. 2 is prior art part circular-pipe anastomat second angle schematic perspective view;
Fig. 3 is the nail bin schematic perspective view of this utility model first embodiment;
Fig. 4 is the nail bin top view of this utility model first embodiment;
Fig. 5 is part-structure enlarged drawing in Fig. 4;
Fig. 6 is the cartridge section separation structure enlarged drawing of present embodiment second embodiment;
Fig. 7 is the nail bin top view of present embodiment the 3rd embodiment;
Fig. 8 is part-structure enlarged drawing in Fig. 7.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments do not limit this utility model, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection domain of the present utility model.
Expression position described in this utility model and the word in direction are all using exercises on apparatus author as reference, and be near-end near one end of operator, the one end away from operator is far-end.
Ginseng Fig. 1 to Fig. 2 is the part circular-pipe anastomat schematic perspective view of prior art one embodiment.Screw barrel component 10 is applied on a cylinder type anastomat (not shown), thus this utility model also relates to a kind of cylinder type anastomat; The described screw barrel component 10 that described cylinder type anastomat is included housing (not shown) and is fixedly connected by a retainer ring (not shown) with housing.
In the present embodiment, circular-pipe anastomat comprises screw barrel component 10, and the anvil assembly 20 coordinated with described screw barrel component 10.Described screw barrel component 10 comprise fix with the housing of cylinder type anastomat nail barrel 11, be arranged in nail barrel 11 and the nail bin 12 fixed with nail barrel 11 and annular cutting knife 13, described nail bin 12 is annular nail bin, described nail bin 12 is provided with on its far-end end face somely puts nail 14, and the staple (not shown) in nail bin 12 being put nail 14 through corresponding and sew up two ends tissue.
Described anvil assembly 20 comprises and coordinates the nail anvil 21 of described nail bin 12, be fixed on the nail-anvil cap 22 at described nail anvil 21 top, the pin anvil shaft 24 of the cutter anvil 23 being arranged on nail anvil 21 inside and the described screw barrel component 10 of movable connection.Wherein, described nail anvil 21 is annular nail anvil, and described cutter anvil 23 is arranged between described pin anvil shaft 24 and described nail anvil 21.When carrying out identical, first, the nail anvil 21 of anvil assembly 20 and the nail bin 12 of screw barrel component 10 are clamped containing two ends tissue, secondly, staple is pulled the trigger by nail bin 12, staple is through putting nail 14 and coordinating nail anvil 21 to coincide two ends tissue, meanwhile, by annular cutting knife 13 by containing rear unnecessary cutting tissue.
Ginseng Fig. 3 and Fig. 5, for the nail bin of this utility model first embodiment puts nail structural representation.The end face 121 of described nail bin 12 is provided with somely puts nail 14, the profile of nail 14 is put axisymmetricly described at least one, here nail 14a is put for first, described first puts the profile of nail 14a axisymmetricly, present embodiment puts nail 14a relative first axis of symmetry a and the second axis of symmetry b to being called example with first, and described first to put the first axis of symmetry a of nail 14a and the orientation of the second axis of symmetry b and the radius orientation A of described end face 121 all not parallel.
Here, it should be noted that, the first profile putting nail 14a might not be complete axial symmetry, can have certain range of error, and the first axis of symmetry putting nail 14a has also not necessarily been defined in and has only had the first axis of symmetry a and the second axis of symmetry b, can determine according to practical situation; Described end face 121 is in circular, and the longitudinal axis X of described screw barrel component 10 and the plane at end face 121 place have intersection point O, and described intersection point O is the central point O of end face 121, and here, described central point O essence is the virtual center of circle of described end face 121; In described end face 121 institute planar, the direction being pointed to described end face 121 inner ring 121a by described central point O is radius orientation A.
In the present embodiment, first puts nail 14a is arranged around described end face 121, described first to put the first axis of symmetry a of nail 14a and the orientation of the second axis of symmetry b and the radius orientation A of described end face 121 all not parallel, namely now first put nail 14a compared to the tangential tilt of end face 121 inner ring 121a and out of plumb arrange, sew up several staples of two ends tissue also in relative tilt status park, the probability that blood flows out from staple gap can be reduced, thus strengthen haemostatic effect.It should be noted that, staple with put nail 14 for matching relationship one by one, put nail 14 and to tilt arrangement, directly can obtain corresponding staple and to tilt arrangement, now just can the flow path of limit blood, to strengthen haemostatic effect.
Continue ginseng Fig. 5, described put nail 14 also comprise to put with described first nail 14a adjacent second put nail 14b, here, the incline direction that the second incline direction and first putting nail 14b puts nail 14a is different, and second puts nail 14b and first and put nail 14a and be intervally arranged one by one.Concrete, several first are put nail 14a and form first and put nail group, and several second are put nail 14b and form second and put nail group, and first puts nail group and second, and to put nail group spaced apart.
Second puts the relative 3rd axis of symmetry c of nail 14b and the 4th axis of symmetry d symmetry, and described second to put the 3rd axis of symmetry c of nail 14b and the orientation of the 4th axis of symmetry d and the radius orientation A of described end face 121 all not parallel, so, first puts nail 14a and second puts nail 14b and is roughly enclosed to form the dentation arrangement arranged around described end face 121 inner ring 121a, can strengthen haemostatic effect further.Certainly, in other embodiments, one of them of the 3rd axis of symmetry c and the 4th axis of symmetry d also can be parallel with radius orientation A, such as, 4th axis of symmetry d is parallel with radius orientation A, namely now second put nail 14b be parallel to end face 121 inner ring 121a tangent line arrange.
In the present embodiment, first distance of putting between the mid point of nail 14a and the central point O of end face 121 is the first distance d1, distance between the second central point O putting nail 14b and end face 121 is second distance d2, and wherein, described first distance d1 is not identical with described second distance d2.
In the present embodiment, first puts nail 14a and second puts nail 14b and coordinates the internal ring formed on described nail bin 12 to put nail group, described nail bin 12 also comprises to be put nail 14c ring by the 3rd and establishes the outer shroud formed to put nail group, described internal ring is put nail group and is arranged near the inner ring 121a of described end face 121, described outer shroud is put nail group and is arranged near the outer ring 121b of described end face 121, so, described internal ring is put nail group and described outer shroud and is put nail group on described end face 121, form two stratification nail groups, the gap of putting between nail 14 reduces, gap between the staple of percussion also reduces, and staple is staggered, limit the flow path of blood, blood effect is closed in further raising.
In addition, can see, corresponding different 3rd puts adjacent first of nail 14c puts nail 14a and second and puts between nail 14b and have lap B and basic gapless, two the 3rd gaps of putting between nail 14c that described lap B is corresponding adjacent, on the one hand, also lap is had and basic gapless between the corresponding staple pulled the trigger out, can the flow path of direct occlude blood, on the other hand, even if blood puts staple gap corresponding to gap nail 14c through the adjacent 3rd, also can be blocked by the lap of the staple of correspondence.
Here, the 3rd puts the tangent line that nail 14c can be parallel to end face 121 outer ring 121b is arranged, and so, while blood effect is closed in raising, can reduce the 3rd and put end face 121 space that nail 14c takies on radius orientation A.In addition, 3rd maximum diameter of hole of putting nail 14c is greater than first and puts the maximum diameter of hole that nail 14a and second puts nail 14b, concrete, first maximum diameter of hole of putting nail 14a is set to 4mm, first puts nail 14a and the second maximum diameter of hole of putting nail 14b is set to 3mm, so, first can be reduced and put nail 14a and second and put end face 121 space taken on radius orientation A when nail 14b is obliquely installed, the width between the inner ring 121a to outer ring 121b namely reducing end face 121.
Compared with prior art, due to first of present embodiment put nail 14a and second put nail 14b be obliquely installed and in dentation arrangement, put nail 14c cooperatively interact with the be arranged in parallel the 3rd, the probability that blood flows out from staple gap can be reduced, thus strengthen haemostatic effect; In addition, larger the 3rd the putting nail 14c and be arranged in parallel in present embodiment aperture, less first the putting nail 14a and second and put nail 14b and be obliquely installed in aperture, so, utilize end face of the prior art can put nail 14 by accommodating those, present embodiment, without the need to strengthening the diameter of nail barrel 11, can not have influence on the spatial accommodation of apparatus in the overall dimensions of screw barrel component 10 and nail barrel 11.
Ginseng Fig. 6, for the nail bin of this utility model second embodiment puts nail structural representation.In the present embodiment, the end face 121 of described nail bin 12 is provided with some outer shrouds and puts nail and some internal ring put nail, at least one described internal ring puts nail ovalize, here internal ring is put nail and is put nail 15a for first, described first puts nail 15a ovalize, described first puts nail 15a comprises major axis summit f and minor axis vertex e, described first put the mid point o of nail 15a and distance between major axis summit f and the central point O of described end face 121 different, and described first put the mid point o of nail 15a and distance between minor axis vertex e and the central point O of described end face 121 different.
Concrete, described first distance of putting between the mid point o of nail 15a and the central point O of end face 121 is the first space D 1, distance between described major axis summit f and central point O is the second space D 2, distance between described minor axis vertex e and central point O is the 3rd space D 3, wherein, described first space D 1 is not identical with described second space D 2, and described first space D 1 is not identical with described 3rd space D 3 yet.It should be noted that the relation between the second space D 2 and the 3rd space D 3 does not limit, both can be identical, also can be different, can determine according to practical situation.
Here, it should be noted that, first puts nail 15a might not ovalize completely, can have certain range of error; Described end face 121 is in circular, and the longitudinal axis X of described screw barrel component 10 and the plane at end face 121 place have intersection point O, and described intersection point O is the central point O of end face 121, and here, described central point O essence is the virtual center of circle of described end face 121.
In the present embodiment, first puts nail 15a is arranged around described end face 121, described first put the mid point o of nail 15a and distance between major axis summit f and the central point O of described end face 121 different, and described first put the mid point o of nail 15a and distance between minor axis vertex e and the central point O of described end face 121 also different, namely now first put nail 15a compared to the tangential tilt of end face 121 inner ring 121a and out of plumb arrange, sew up several staples of two ends tissue also in relative tilt status park, the probability that blood flows out from staple gap can be reduced, thus reinforcement haemostatic effect.
Continue ginseng Fig. 6, described put nail 15 also comprise to put with described first nail 15a adjacent second put nail 15b, and put nail 15c near the 3rd of described end face 121 outer ring 121b setting, described first puts the description that nail 15a, second puts the mutual relation and structure that nail 15b, the 3rd puts nail 15c with reference to above-mentioned first embodiment, can not repeat them here.
Ginseng Fig. 7 to Fig. 8, for the nail bin of this utility model the 3rd embodiment puts nail structural representation.The end face 121 of described nail bin 12 is provided with somely puts nail group 16, puts nail group 16 and comprise first and put nail 16a and the 3rd and put nail 16c described in each, and described first puts nail 16a and the described 3rd puts between nail 16c and form angle α.
In the present embodiment, some nail groups 16 of putting are arranged around the end face 121 of described nail bin 12, described first puts nail 16a and the described 3rd puts between nail 16c and forms angle α, the adjacent staple of corresponding stitching two ends tissue is also angularly arranged, gap between staple is less, thus the probability that blood flows out from staple gap can be reduced, to strengthen haemostatic effect.
In the present embodiment, the some described 3rd puts nail 16c forms annular, and the center of circle of annular is concentric with the central point O of end face 121.In addition, put nail group 16 described in each also to comprise second and put nail 16b, described second puts nail 16b and described first puts nail 16a and is positioned at the same side that the described 3rd puts nail 16c, and described first puts nail 16a and the described second angle β put between nail 16b is obtuse angle.It should be noted that, described second puts nail 16b and described first puts nail 16a and is positioned at the inner side that the described 3rd puts nail 16c, certainly, in other embodiments, described second put nail 16b and described first and put nail 16a and can be positioned at the outside that the described 3rd puts nail 16c.
Here, first puts nail 16a and second puts nail 16b and coordinates the internal ring formed on described nail bin 12 to put nail group, 3rd puts nail 16c ring establishes formation outer shroud to put nail group, described internal ring is put nail group and is arranged near the inner ring 121a of described end face 121, described outer shroud is put nail group and is arranged near the outer ring 121b of described end face, so, described internal ring is put nail group and described outer shroud and is put nail group on described end face 121, form two stratification nail groups, adjacent gap of putting between nail reduces, gap between the staple of percussion also reduces, and staple is staggered, limit the flow path of blood, blood effect is closed in further raising.In addition, put nail 16a due to described first and the described second angle β put between nail 16b is obtuse angle, can the flow path of limit blood further, namely improve graduation effect further.
Described first of present embodiment is put other descriptions that nail 16a, second puts the mutual relation and structure that nail 16b, the 3rd puts nail 16c and with reference to above-mentioned first embodiment and the second embodiment, can not repeated them here.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from this utility model skill equivalent implementations of doing of spirit or change all should be included within protection domain of the present utility model.
Claims (10)
1. a screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, it is characterized in that: the end face of described nail bin is provided with somely puts nail, put the profile of nail described at least one axisymmetricly, and described in put the radius orientation of the orientation of all axis of symmetry of nail and described end face all not parallel.
2. a screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, it is characterized in that: the end face of described nail bin is provided with some outer shrouds and puts nail and some internal ring put nail, at least one described internal ring puts nail ovalize, and described internal ring puts the mid point of nail and distance between major axis summit and the central point of described end face is different, described internal ring put the mid point of nail and distance between minor axis vertex and the central point of described end face different.
3. screw barrel component according to claim 2, is characterized in that, the distance that two adjacent described internal ring are put between the described mid point of nail and the central point of described end face is different.
4. a screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, it is characterized in that: the end face of described nail bin is provided with somely puts nail group, put nail group described in each to comprise first and put nail and the 3rd and put nail, described first puts nail and the described 3rd puts between nail and forms angle.
5. screw barrel component according to claim 4, is characterized in that: the some described 3rd puts nail composition annular.
6. screw barrel component according to claim 5, is characterized in that: described 3rd maximum diameter of hole of putting nail is greater than the maximum diameter of hole that described first puts nail.
7. screw barrel component according to claim 4, it is characterized in that: put nail group described in each and also comprise second and put nail, described first puts nail and described second puts nail and is positioned at the same side that the described 3rd puts nail, and described first puts nail and the described second angle put between nail is obtuse angle.
8. screw barrel component according to claim 7, is characterized in that: described first to put nail different from described second distance of putting between the mid point of nail and the central point of described end face.
9. a screw barrel component, comprise nail barrel and to be arranged in described nail barrel and the nail bin fixed with described nail barrel, it is characterized in that: the end face of described nail bin is at least provided with spaced apart first and puts nail group and second and put nail group, described first puts nail group comprises some first and puts nail, described second puts nail group comprises some second and puts nail, described first put nail and described second put nail at least one of them profile axisymmetricly, and described in put the radius orientation of the orientation of all axis of symmetry of nail and described end face all not parallel.
10. a circular-pipe anastomat, is characterized in that comprising: as the screw barrel component in claim 1-9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521063599.XU CN205198062U (en) | 2015-12-17 | 2015-12-17 | Circular tube -type anastomat and nail barrel assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521063599.XU CN205198062U (en) | 2015-12-17 | 2015-12-17 | Circular tube -type anastomat and nail barrel assembly thereof |
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| Publication Number | Publication Date |
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| CN205198062U true CN205198062U (en) | 2016-05-04 |
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| CN201521063599.XU Active CN205198062U (en) | 2015-12-17 | 2015-12-17 | Circular tube -type anastomat and nail barrel assembly thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937014A (en) * | 2016-11-14 | 2019-06-25 | 爱惜康有限责任公司 | Nail shapes pit for circular surgical staplers anvil block constructs |
| US12102325B2 (en) | 2013-09-23 | 2024-10-01 | Cilag Gmbh International | Methods and systems for performing surgical stapling |
-
2015
- 2015-12-17 CN CN201521063599.XU patent/CN205198062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12102325B2 (en) | 2013-09-23 | 2024-10-01 | Cilag Gmbh International | Methods and systems for performing surgical stapling |
| CN109937014A (en) * | 2016-11-14 | 2019-06-25 | 爱惜康有限责任公司 | Nail shapes pit for circular surgical staplers anvil block constructs |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 science and Technology Plaza, Jinji Lake Road International Science and Technology Park, Suzhou Industrial Park, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |