CN113425355A - Nail anvil of surgical operation instrument and surgical operation instrument - Google Patents
Nail anvil of surgical operation instrument and surgical operation instrument Download PDFInfo
- Publication number
- CN113425355A CN113425355A CN202110656989.1A CN202110656989A CN113425355A CN 113425355 A CN113425355 A CN 113425355A CN 202110656989 A CN202110656989 A CN 202110656989A CN 113425355 A CN113425355 A CN 113425355A
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- Prior art keywords
- rod
- ring
- transmission
- fan
- anvil
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
Abstract
The nail anvil of the surgical instrument comprises a nail anvil rod and an ejector pin cap, wherein the nail anvil cap comprises movable fan blades, a fixing cap and a telescopic device, the fixing cap is circular, the movable fan blades comprise a plurality of fan rings, the fan rings are mutually matched to form an annular shape, the fan rings are movably arranged below the fixing cap, the nail anvil rod is arranged below the fixing cap, the nail anvil rod comprises a rod barrel and a driving device arranged on the rod barrel, one end of the telescopic device is connected with the rod barrel, the other end of the telescopic device is connected with the fan rings, and the driving device is arranged on the rod and drives the fan rings to move and close to form an annular shape. The nail anvil cap is designed into the fixing cap and the fan ring designed around the fixing cap, and the movable fan blades are contracted through the telescopic device and the driving device when passing through, so that the area of the device is reduced, the damage to tissues is reduced, and the operation safety is improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a nail anvil of a surgical instrument and the surgical instrument
Background
When the surgical operation is performed on tissues such as esophagus, stomach and intestinal tract, surgical operation instruments such as a circular stitching instrument are mostly adopted, the stitching instrument can shorten the operation time and improve the operation efficiency.
The circular stitching instrument adopts an axial inward stitching mode in the operation process, and forms a stitching ring in the two sections of tissues, so that body bleeding and the like generated in the operation can be discharged along with contents, and the body tissues are easy to heal after the operation. The circular stapler comprises a nail anvil with a nail anvil cap and a nail anvil rod and a body with a nail box, wherein the nail anvil cap of the nail anvil is positioned in one tubular tissue to be sutured, and the nail box is positioned in the other tubular tissue to be sutured in the operation process; after the two parts of tissues are sutured, the suturing opening is positioned between the nail anvil cap and the nail box, and the nail anvil needs to be taken out from the suturing opening after the suturing is finished. When the nail anvil is taken out, the nail anvil cap needs to pass through the sewing opening; however, after the stapler is used for suturing, the diameter of a suturing opening between two parts of tissues is smaller than that of the nail anvil cap, and when the nail anvil cap passes through the suturing opening, the suturing opening is easy to be spread for suturing, suturing is damaged, suturing tissues are damaged, and medical accidents are caused.
In addition, for some procedures, due to the small space of a particular tissue, damage may also be caused to the tissue when the anvil is placed. Therefore, it is a technical problem to be solved by those skilled in the art to provide an anvil and a surgical instrument that is less traumatic to the suture opening when being removed from the suture opening or to the tissue when being placed into the suture opening, thereby improving the safety of the operation.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the nail anvil of the surgical operation instrument, which comprises a nail anvil rod and a nail anvil cap, wherein the nail anvil cap comprises movable fan blades, a fixed cap and a telescopic device, the fixed cap is circular, the movable fan blades comprise a plurality of fan rings, the fan rings are matched with each other to form an annular shape, the fan rings are movably arranged below the fixed cap, the nail anvil rod is arranged below the fixed cap, the nail anvil rod comprises a rod barrel and a driving device arranged on the rod barrel, one end of the telescopic device is connected with the rod barrel, the other end of the telescopic device is connected with the fan rings, and the driving device is arranged on the rod piece and drives the fan rings to move and close to form an annular shape.
Further, the telescoping device including fixed telescopic link, activity telescopic link and lift piece, the activity flabellum include four fan rings, wherein, two opposite fan rings are a set of, divide into group's fan ring and lower group's fan ring, last group's fan ring establish the top of lower seat fan ring, go up the outward flange cooperation of group's fan ring side and locking cap, last group fan ring connect the expansion end of fixed telescopic link, lower group fan ring connect movable telescopic link, the activity telescopic link establish on the barrel of rod through the lift piece activity, lift piece activity fix on the member, drive arrangement is connected to the lift piece.
Further, drive arrangement for rotate threaded rod and transmission, the telescopic link be for rotating telescopic link, the rotation screw rod pass through transmission and fixed telescopic link normal running fit, the lift inboard be equipped with threaded rod complex screw thread, and rotate the screw rod and pass through transmission and activity telescopic link normal running fit.
Further, transmission include gear one, gear two, transfer line, backup pad and drive belt, the backup pad fixed establish on the telescopic link, the backup pad is equipped with the transfer line, the transfer line on be equipped with gear one, gear one and gear two meshing, gear two and telescopic link axis of rotation cooperation, the drive belt connect rotation threaded rod and transfer line, transmission establish two, respectively with fixed telescopic link complex transmission one and with activity telescopic link complex transmission two.
Further, the lifting piece comprises an inner ring, an outer ring and a connecting block, the inner ring is arranged in the rod cylinder, the outer ring is arranged outside the rod cylinder, the inner ring is connected with the outer ring through the connecting block, a sliding groove for a driving belt to penetrate through and vertically slide with the connecting block is formed in the rod cylinder, and threads matched with the rotating threaded rod are formed in the inner ring.
Further, transmission still include the transmission ring, the transmission ring be used for the drive belt to connect the rotation threaded rod, the transmission ring include fixed transmission ring and lift transmission ring, fixed transmission ring and the cooperation of the drive belt in the transmission device one, fixed transmission ring and the relative fixed setting of rotation threaded rod, lift transmission ring and the cooperation of the drive belt in the transmission device two, lift transmission ring and the setting of relative slip from top to bottom of rotation threaded rod, lift transmission ring and inner circle ring link joint.
Furthermore, the outer edge of the fixing cap is provided with a positioning groove which is convenient for positioning the upper side surface of the fan ring.
Furthermore, the locking device is arranged at the bottom of the rod barrel in a rotating mode and is matched with the rotating threaded rod.
A surgical instrument comprising an anvil as described above and a rotary drive for rotating a threaded rod.
Compared with the prior art, the invention has the beneficial effects that: 1. the nail anvil cap is designed into the fixing cap and the movable fan blades which can surround the fixing cap, when tissues pass through, the movable fan blades can be recovered through the telescopic device and the driving device, the cross-sectional area of the nail anvil is reduced, the damage to the tissues is reduced, and therefore the safety of the operation is improved.
2. By rotating the rotary threaded rod, the extension of the telescopic rod can be shortened, the lifting piece can be driven to ascend and descend, the needle cap can be unfolded and contracted only by driving a rotary driving device in a surgical instrument, and the use is simple.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the anvil rod and the retaining cap of the present invention;
FIG. 4 is a schematic view of the transmission structure of the fixed telescopic device of the present invention;
FIG. 5 is a schematic view of a transmission structure of the movable telescopic device of the present invention;
FIG. 6 is a schematic diagram of the present invention in an expanded state;
FIG. 7 is a schematic view of the lifter of the present invention;
fig. 8 is a schematic view of a fan ring structure of the present invention. Reference numerals shown in the drawings: 1-anvil rod, 11-rod barrel, 111-sliding groove, 112-slot, 12-driving device, 2-anvil cap, 3-movable fan blade, 31-fan ring, 32-upper fan ring, 33-lower fan ring, 4-fixing cap, 41-cap body, 42-positioning groove, 5-telescoping device, 51-fixing telescopic rod, 52-movable telescopic rod, 53-lifting member, 531-inner ring, 532-outer ring, 533-connecting block, 6-driving device, 61-rotating threaded rod, 62-driving device, 621-gear I, 622-gear II, 623-driving rod, 624-supporting plate, 625-driving belt, 625-driving ring, 63-driving device I, 64-driving device II, 65-fixed driving ring, 66-movable driving ring and 7-locking device.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1-8, the anvil of the surgical instrument comprises an anvil rod 1 and an ejector pin cap, the anvil cap 2 comprises a movable fan blade 3, a fixing cap 4 and a telescopic device 5, the fixing cap 4 is circular, the movable fan blade 3 comprises a plurality of fan rings 31, the fan rings 31 are mutually matched to form an annular shape, the fan rings 31 are movably arranged below the fixing cap 4, the anvil rod 1 is arranged below the fixing cap 4, the anvil rod 1 comprises a rod barrel 11 and a driving device arranged on the rod barrel 11, one end of the telescopic device 5 is connected with the rod barrel 11, the other end of the telescopic device is connected with the fan rings 31, and the driving device is arranged on the rod and drives the fan rings 31 to move and close to form an annular shape. The nail anvil cap 2 is designed into the fixed cap 4 and the movable fan blades 3 which can surround the fixed cap 4, the fan ring 31 and the fixed cap 4 form a slide surface bulge when forming a ring shape for stabilizing tissues, the ring shape is not required to be formed, when the ring passes through the tissues, the movable fan blades 3 can be recovered through the telescopic device 5 and the driving device, the cross section area of the nail anvil is reduced, the damage to the tissues is reduced, and therefore the safety of the operation is improved.
As described in detail, in the present embodiment, the extension and retraction device 5 includes a fixed extension rod 51, a movable extension rod 52, and a lifting member 53, the movable fan blade 3 includes four fan rings 31, wherein two opposite fan rings 31 are a group and are divided into an upper group of fan rings 32 and a lower group of fan rings 33, the upper group of fan rings 32 is disposed above the lower group of fan rings 31, the upper side of the upper group of fan rings 32 is engaged with the outer edge of the fixing cap 4, the upper group of fan rings 32 is connected to the movable end of the fixed extension rod 51, the lower group of fan rings 33 is connected to the movable extension rod 52, the movable extension rod 52 is movably disposed on the rod barrel 11 through the lifting member 53, the lifting piece 53 is movably fixed on the rod piece, and the lifting piece 53 is connected with the driving device. In this embodiment, the top view projection of the fan ring 31 is the fan ring 31, but the cross section of the fan ring 31 is an inclined arc surface, the inside of the fan ring 31 is hollow, if the fan ring 31 is in an open surface shape, the telescopic device 5 can be set at the same horizontal height, and the fan ring 31 is formed into a ring shape by extending the telescopic device 5, but in order to make the anvil cap 2 have a good effect, the inclined arc surface is selected in this embodiment, so that the fan ring 31 and the fixing cap 4 form a hemispherical shape after being unfolded. Because the fan rings 31 have a certain height, when one of the fan rings is contracted, the fan ring 31 with the same height as the other fan ring is inevitably blocked, so in the embodiment, an upper fan ring 31 and a lower fan ring 31 are adopted, wherein the upper fan ring 32 is fixed in height, the lower fan ring 33 can move up and down through the upgrading piece, and descend when being recovered, the fan rings 31 can be completely contracted, when being expanded, the lower fan ring 33 can be expanded and ascend once, and when being ascended to the same height as the upper fan ring 32, the movable telescopic rod 52 can also be completely extended, so that a spherical surface is formed.
As a detailed description, the driving device is a rotary threaded rod 61 and a transmission device 62, the telescopic rod is a rotary telescopic rod, the rotary threaded rod is rotatably matched with the fixed telescopic rod 51 through the transmission device 62, the inner side of the lifting member 53 is provided with threads matched with the threaded rod, and the rotary threaded rod is rotatably matched with the movable telescopic rod 52 through the transmission device 62.
The transmission device 62 comprises a first gear 621, a second gear 622, a transmission rod 623, a support plate 624 and a transmission belt 625, the support plate 624 is fixedly arranged on the telescopic rod, the support plate 624 is provided with the transmission rod 623, the transmission rod 623 is provided with the first gear 621, the first gear 621 is meshed with the second gear 622, the second gear 622 is matched with a rotary shaft of the telescopic rod, the transmission belt 625 is connected with the rotary threaded rod 61 and the transmission rod 623, the number of the transmission devices 62 is two, and the two transmission devices are respectively a first transmission device 63 matched with the fixed telescopic rod 51 and a second transmission device 64 matched with the movable telescopic rod 52. The driving device mainly achieves two functions, one is to drive the driving rotating shaft on the telescopic rod to rotate, so that the telescopic function is achieved, the other is to lift the upper furniture to achieve the lifting function of the lower group of fan rings 33, a plurality of screw rods can be independently designed to achieve the rotation driving function, and a lifting rod is additionally arranged in the rod barrel 11 to achieve the lifting function, but in the embodiment, the rotation driving function and the functions can be achieved through the cooperation of the transmission device 62 and the rotating threaded rod 61. As long as the transmission ratio of the transmission belt 625 is calculated, it is ensured that when the lifting member 53 descends to the lowest position, the telescopic rod is in the shortest state, and when the lifting member 53 ascends to the highest position, that is, when the lower group sector ring 33 and the upper group sector ring 32 are at the same height, the telescopic rod is in the longest state.
As a detailed description, in this embodiment, the lifting member 53 includes an inner ring 531, an outer ring 532 and a connecting block 533, the inner ring 531 is disposed in the rod barrel 11, the outer ring 532 is disposed outside the rod barrel 11, the inner ring 531 and the outer ring 532 are connected through the connecting block 533, the rod barrel 11 is provided with a sliding slot 111 through which a driving belt 625 passes and the connecting block 533 slides up and down, the rod barrel 11 is also provided with a slot 112 through which the driving belt 625 of the first transmission device 63 passes, and the inner ring 531 is provided with a thread engaged with the rotating threaded rod 61. Because the fixed telescopic rod 51 has a certain volume, the outer ring 532 has two opposite arc shapes in the embodiment, and the outer ring 532 is prevented from being blocked by the fixed telescopic rod 51 when the fixed telescopic rod 51 ascends. Meanwhile, as shown in a figure x, when the lifting member 53 rises to a certain height, the first transmission device 63 and the second transmission device 64 may expand, so that the distance from the supporting plate 624 of the first transmission device 63 to the bottom of the fixed telescopic rod 51 is greater than the distance from the conveying belt of the second transmission device 64 to the bottom of the movable telescopic rod 52, so as to ensure that there is enough space for the movable telescopic rod 52 to move to the same height as the fixed telescopic rod 51.
In order to guarantee the transmission efficiency of drive belt 625 and drive threaded rod, transmission 62 still include drive ring 625, drive ring 625 be used for drive belt 625 to connect rotation threaded rod 61, drive ring 625 include fixed drive ring 65 and lift drive ring 66, fixed drive ring 65 and the cooperation of drive belt 625 in the transmission 63, fixed drive ring 65 and rotation threaded rod 61 relatively fixed setting, lift drive ring 66 and the cooperation of drive belt 625 in the transmission two 64, lift drive ring 66 and rotation threaded rod 61 relative slip setting from top to bottom, the lift transmission is connected with inner circle ring 531.
The outer edge of the cap body 41 of the fixing cap 4 is provided with a positioning groove 42 for positioning the upper side of the fan ring 31. In the embodiment, the positioning groove 42 is an arc-shaped groove, the end portion of the upper side of the sector ring 31 is an arc, the sector ring 31 is made of a plastic material, when the sector ring 31 moves outwards, the upper side of the sector ring 31 is in a pressing state, and when the sector ring 31 moves outwards to the vicinity of the positioning groove 42, the upper side of the sector ring 31 deforms and is clamped in the positioning groove 42, so as to ensure the stability of the spherical surface. As an optimization, a part of the buffer rim is arranged on the outer edge of the fixing cap 4, and the buffer rim is tightly attached to the upper side of the fan ring 31, so that the stability is improved. When the ring 31 starts to be retracted, the upper side of the ring 31 is compressed downward to the lower side of the fixing cap 4 by the pressure because the positioning groove 42 has an arc shape.
The fan-shaped locking device is characterized by further comprising a locking device 7, wherein the locking device 7 is rotatably arranged at the bottom of the rod barrel 11 and matched with the rotating threaded rod 61, in the embodiment, the locking device 7 is in a ring shape with threads, after the fan ring 31 forms the ring shape, the locking device 7 can be moved onto the rotating threaded rod 61, the rotating threaded rod 61 is locked on the rod barrel 11 through the threads, and the rotating threaded rod 61 cannot rotate.
A surgical instrument comprises the anvil and a rotary drive device which is connected with a rotary threaded rod 61.
The rotary screw device is provided with a key groove which is in butt joint with the rotary threaded rod 61, and the rotary driving device is driven to rotate so as to realize the rotation of the rotary threaded rod 61.
Claims (9)
1. Surgical instruments's nail anvil, including nail anvil pole (1) and nail anvil cap (2), nail anvil cap (2) including activity flabellum (3), locking cap (4) and telescoping device (5), locking cap (4) be circular, activity flabellum (3) including a plurality of fan ring (31), fan ring (31) mutually support and form an annular, fan ring (31) activity establish in the below of locking cap (4), the below of locking cap (4) is equipped with nail anvil pole (1), nail anvil pole (1) include a pole section of thick bamboo (11) and establish the drive arrangement on a pole section of thick bamboo (11), telescoping device (5) one end connecting rod section of thick bamboo (11), fan ring (31) is connected to the other end, drive arrangement establishes on the pole piece and drive fan ring (31) and removes closed for an annular.
2. The anvil of a surgical instrument according to claim 1, wherein said telescopic means (5) comprises a fixed telescopic rod (51), a movable telescopic rod (52) and a lifting member (53), said movable fan (3) comprises four fan rings (31), wherein two opposite fan rings (31) are grouped into one group, which is divided into an upper group of fan rings (32) and a lower group of fan rings (33), said upper group of fan rings (32) is arranged above the lower seat of fan rings (31), the upper side of the upper group of fan rings (32) is fitted with the outer edge of the fixed cap (4), said upper group of fan rings (32) is connected with the movable end of the fixed telescopic rod (51), said lower group of fan rings (33) is connected with the movable telescopic rod (52), said movable telescopic rod (52) is movably arranged on the rod barrel (11) through the lifting member (53), said lifting member (53) is movably fixed on the rod member, the lifting piece (53) is connected with the driving device.
3. The anvil of a surgical instrument according to claim 2, wherein said driving means is a rotary threaded rod (61) and a transmission means (62), said telescopic rod is a rotary telescopic rod, said rotary threaded rod is rotatably engaged with the fixed telescopic rod (51) through the transmission means (62), said lifting member (53) is provided with a thread on the inner side thereof for engaging with the threaded rod, and said rotary threaded rod is rotatably engaged with the movable telescopic rod (52) through the transmission means (62).
4. The anvil of a surgical instrument according to claim 3, wherein said transmission means (62) comprises a first gear (621), a second gear (622), a transmission rod (623), a support plate (624) and a transmission belt (625), said support plate (624) is fixedly arranged on the telescopic rod, said support plate (624) is provided with said transmission rod (623), said transmission rod (623) is provided with said first gear (621), said first gear (621) is engaged with said second gear (622), said second gear (622) is engaged with the rotating shaft of the telescopic rod, said transmission belt (625) is connected with the rotating threaded rod (61) and the transmission rod (623), said transmission means (62) are provided in two, respectively, namely, a first transmission means (63) engaged with the fixed telescopic rod (51) and a second transmission means (64) engaged with the movable telescopic rod (52).
5. The anvil of the surgical instrument as claimed in claim 4, wherein the lifting member (53) comprises an inner ring (531), an outer ring (532) and a connecting block (533), the inner ring (531) is disposed inside the rod barrel (11), the outer ring (532) is disposed outside the rod barrel (11), the inner ring (531) and the outer ring (532) are connected through the connecting block (533), the rod barrel (11) is provided with a sliding slot (111) for a driving belt (625) to pass through and the connecting block (533) to slide up and down, and the inner ring (531) is provided with a thread engaged with the rotary threaded rod (61).
6. The anvil of a surgical instrument as recited in claim 4, wherein the transmission means (62) further comprises a transmission ring (625), the transmission ring (625) is used for connecting the transmission belt (625) with the rotary threaded rod (61), the transmission ring (625) comprises a fixed transmission ring (65) and a lifting transmission ring (66), the fixed transmission ring (65) is matched with the transmission belt (625) in the first transmission means (63), the fixed transmission ring (65) and the rotary threaded rod (61) are relatively fixedly arranged, the lifting transmission ring (66) is matched with the transmission belt (625) in the second transmission means (64), the lifting transmission ring (66) and the rotary threaded rod (61) are relatively slidably arranged up and down, and the lifting transmission is connected with the inner ring (531).
7. The anvil of a surgical instrument according to claim 1, characterized in that the fixing cap (4) is provided at its outer edge with a positioning slot (42) facilitating the lateral positioning of the fan ring (31).
8. The anvil of a surgical instrument according to claim 2, further comprising a locking device (7), said locking device (7) being rotatably arranged at the bottom of the barrel (11) and cooperating with the rotary threaded rod (61).
9. A surgical instrument comprising an anvil according to claims 1-8 and a rotary drive with a rotary threaded rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110656989.1A CN113425355A (en) | 2021-06-11 | 2021-06-11 | Nail anvil of surgical operation instrument and surgical operation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110656989.1A CN113425355A (en) | 2021-06-11 | 2021-06-11 | Nail anvil of surgical operation instrument and surgical operation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113425355A true CN113425355A (en) | 2021-09-24 |
Family
ID=77755984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110656989.1A Pending CN113425355A (en) | 2021-06-11 | 2021-06-11 | Nail anvil of surgical operation instrument and surgical operation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113425355A (en) |
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| CN2200329Y (en) * | 1994-05-21 | 1995-06-14 | 郑学斌 | Automatic weather umbrella |
| CN1868410A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Nail anvil component |
| CN1993083A (en) * | 2004-06-23 | 2007-07-04 | 伊西康内外科公司 | Instrument for effecting anastomosis of respective tissues defining two body lumens |
| CN200939155Y (en) * | 2006-08-03 | 2007-08-29 | 瑞奇外科器械(北京)有限公司 | Reversible nail anvil of disposable end-to-end anastomat |
| CN101500497A (en) * | 2006-07-07 | 2009-08-05 | 伊西康内外科公司 | A surgical stapling instrument and a staple cartridge and staple for such an instrument |
| CN203825189U (en) * | 2013-12-31 | 2014-09-10 | 中国船舶重工集团公司七五○试验场 | Umbrella-shaped telescopic underwater acoustic measurement array |
| CN204149952U (en) * | 2014-11-02 | 2015-02-11 | 吴金婷 | New type auto lifting telescopic Automobile umbrella |
| CN104939884A (en) * | 2014-03-31 | 2015-09-30 | 瑞奇外科器械(中国)有限公司 | Surgical instrument and nail anvil thereof |
| CN105451666A (en) * | 2013-03-26 | 2016-03-30 | 穆斯塔法·沙恩 | A circular stapler head with a foldable anvil and cartridge |
| CN211379905U (en) * | 2019-12-20 | 2020-09-01 | 周平 | Umbrella frame telescopic device |
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2021
- 2021-06-11 CN CN202110656989.1A patent/CN113425355A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200329Y (en) * | 1994-05-21 | 1995-06-14 | 郑学斌 | Automatic weather umbrella |
| CN1993083A (en) * | 2004-06-23 | 2007-07-04 | 伊西康内外科公司 | Instrument for effecting anastomosis of respective tissues defining two body lumens |
| CN1868410A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Nail anvil component |
| CN101500497A (en) * | 2006-07-07 | 2009-08-05 | 伊西康内外科公司 | A surgical stapling instrument and a staple cartridge and staple for such an instrument |
| CN200939155Y (en) * | 2006-08-03 | 2007-08-29 | 瑞奇外科器械(北京)有限公司 | Reversible nail anvil of disposable end-to-end anastomat |
| CN105451666A (en) * | 2013-03-26 | 2016-03-30 | 穆斯塔法·沙恩 | A circular stapler head with a foldable anvil and cartridge |
| CN203825189U (en) * | 2013-12-31 | 2014-09-10 | 中国船舶重工集团公司七五○试验场 | Umbrella-shaped telescopic underwater acoustic measurement array |
| CN104939884A (en) * | 2014-03-31 | 2015-09-30 | 瑞奇外科器械(中国)有限公司 | Surgical instrument and nail anvil thereof |
| CN204149952U (en) * | 2014-11-02 | 2015-02-11 | 吴金婷 | New type auto lifting telescopic Automobile umbrella |
| CN211379905U (en) * | 2019-12-20 | 2020-09-01 | 周平 | Umbrella frame telescopic device |
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Application publication date: 20210924 |
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