CN105433999B - The safeties and surgical operating instrument of surgical operating instrument - Google Patents
The safeties and surgical operating instrument of surgical operating instrument Download PDFInfo
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- CN105433999B CN105433999B CN201410354581.9A CN201410354581A CN105433999B CN 105433999 B CN105433999 B CN 105433999B CN 201410354581 A CN201410354581 A CN 201410354581A CN 105433999 B CN105433999 B CN 105433999B
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- safety catch
- safety
- closing
- connecting rod
- surgical instrument
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- 239000012636 effector Substances 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000010304 firing Methods 0.000 claims description 29
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The present invention relates to technical field of medical instruments, disclose the safeties and surgical operating instrument of a kind of surgical operating instrument, safeties include safety fastener, and safety fastener is connected with closing link transmission, and safety fastener can be switched in the case where closing connecting rod driving between its open position and off-position；When safety fastener is in off-position, safety fastener is in interference position, and ratchet is interfered before the tooth bar with actuator is engaged with safety fastener；Close safety fastener after connecting rod driving end effector is closed and be moved to open position and interference to ratchet is buckled with arming.In above-mentioned safeties, when closing connecting rod does not carry out closing motion, safety fastener is in off-position, close driving safety fastener after connecting rod driving end effector is closed and be moved to open position, and then ensure that surgical operating instrument end effector when that can carry out the actions such as cutting suture is necessarily closed, improve security when surgical operating instrument is used.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a safety device of a surgical instrument and the surgical instrument.
Background
The surgical operation instrument under the endoscope has small operation wound to the patient and good operation effect, and can greatly reduce the pain brought to the operation patient.
Taking a cutting stapler as an example, the cutting stapler includes an operating handle, an elongated body, and an end effector; the end effector comprises an anvil and a staple cartridge, the operating handle comprises a fixed handle, a closing handle and a firing handle, the closing handle and the firing handle are mounted on the fixed handle, the fixed handle is used for being held by a user, the firing handle is used for being operated by the user to control firing actions, the closing handle is used for being operated by the user to control opening and closing actions of the anvil and the staple cartridge in the end effector, and the far side (the side close to the user is the near side and the side far away from the user is the far side in the operation) of the operating handle is connected with the end effector through an elongated body.
In order to ensure the safety of the cutting stapler during its use, it is necessary to ensure that the anvil and the magazine are in a closed position when the firing handle is capable of controlling the surgical instrument through the firing motion. Because, if the nail anvil and the nail box of the end effector are not closed when the cutting and stitching instrument performs the firing action, the titanium nails in the end effector cannot be formed and cannot stitch the cutting wound after the cutting and stitching instrument performs the cutting and stitching action on the tissue, and great danger is brought to the patient during the operation process using the cutting and stitching instrument.
Disclosure of Invention
The invention provides a safety device of a surgical operation instrument and the surgical operation instrument, wherein the safety device can ensure that an end effector is in a closed state when a driving piece performs a firing action, and the safety of the surgical operation instrument during use is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
a safety device of a surgical instrument comprises a safety catch, wherein the safety catch is in transmission connection with a closing connecting rod of the surgical instrument and can be switched between an open position and a closed position under the driving of the closing connecting rod;
when the safety catch is in the off position, the safety catch is in the interference position, and the pawl of the surgical operating instrument interferes with the safety catch before being meshed with the rack of the driving part; when the closing connecting rod moves from the near side to the far side to perform closing operation, the closing connecting rod drives the safety catch to move from the closed position to the open position, and the safety catch moves to the open position after the closing connecting rod drives the end effector of the surgical instrument to close so as to relieve the interference of the safety catch on the pawl.
In the safety device, after the closing connecting rod drives the end effector to close, the safety buckle is driven by the closing connecting rod to be in an open position, at the moment, the pawl can be meshed with the rack of the driving piece when the firing handle acts, the firing handle can control the driving piece to move towards the far side direction, and then the end effector is controlled to perform actions such as cutting, sewing and the like; however, when the closing link rod does not perform closing action, the safety catch is in a closed position, at the moment, the safety catch is in an interference position, when the firing handle is controlled to rotate around a pivot shaft between the firing handle and the fixed handle, a pawl arranged on the firing handle interferes with the safety catch before being meshed with a rack arranged on the driving piece, so that the pawl cannot be meshed with the rack of the driving piece, the firing handle cannot control the driving piece to act, and the surgical instrument cannot perform cutting, suturing and other actions.
Therefore, the safety device can ensure that the end effector is always in a closed state when the surgical operation instrument can perform actions such as cutting, suturing and the like, and the safety of the surgical operation instrument during use is improved.
Preferably, the safety catch is in driving connection with a closing link of the surgical instrument, the safety catch being switchable between its open and closed positions upon actuation of the closing link, comprising:
the safety catch comprises a clamping hook, the safety catch is mounted on a fixed handle of the surgical instrument through a pivot shaft, the axis of the pivot shaft is perpendicular to the axis of an elongated body in the surgical instrument, and when the safety catch is in a closed position, the pawl interferes with the clamping hook of the safety catch before being meshed with the rack of the driving piece; the safety catch is in transmission connection with the closing connecting rod through a pair of pin shafts and guide holes.
Preferably, the pin shaft is arranged on the safety catch, or the guide hole is arranged on the safety catch.
Preferably, the safety catch is of an L-shaped structure, one end of the safety catch is mounted on the fixed handle through a pivot shaft, and the other end of the safety catch forms the hook.
Preferably, the safety catch is provided with a supporting surface, and when the safety catch is in a closed position, the supporting surface is abutted against the surface of one side, away from the pawl, of the driving piece.
Preferably, the safety catch is in driving connection with a closing link of the surgical instrument, the safety catch being switchable between its open and closed positions upon actuation of the closing link, comprising:
the safety catch is fixed on the closing connecting rod, when the closing connecting rod does not perform a closing action, the safety catch is in a closing position, when the closing connecting rod moves from a near side to a far side to perform a closing operation, the safety catch moves along with the closing connecting rod in a far side direction, and the safety catch moves to an opening position after the closing connecting rod drives the end effector of the surgical instrument to close.
Preferably, the safety catch is in driving connection with a closing link of the surgical instrument, the safety catch being switchable between its open and closed positions upon actuation of the closing link, comprising:
the safety catch is connected with a fixed handle of the surgical instrument through at least one pair of guide grooves and sliding blocks which are in sliding fit, and the length direction of each guide groove is perpendicular to the axial lead of the elongated body of the surgical instrument; the safety catch is in transmission connection with the closing connecting rod through a pair of pin shafts and guide holes.
Preferably, the slider is formed at the safety catch, and the guide groove is formed at the fixing handle.
The invention also provides a surgical instrument comprising an end effector, an elongated body, and an operating handle comprising a fixed handle, a closing handle, a firing handle, a drive member, and a closing link; a distal end of the elongate body is coupled to a proximal end of the end effector, and a proximal end of the elongate body is coupled to the stationary handle; the closing handle is pivoted to the fixed handle, one end of the closing connecting rod close to the near side is in transmission connection with the closing handle, the firing handle is pivoted to the fixed handle, a pawl is arranged at one end of the firing handle facing the driving piece, and a rack is formed on the side face of the driving piece facing the pawl; the safety device further comprises any one safety device provided in the technical scheme.
Preferably, when the safety catch is provided with a pin shaft, the closing connecting rod is provided with a guide hole, and the pin shaft extends into the guide hole; or,
when the safety buckle is provided with the guide hole, the closing connecting rod is provided with a pin shaft, and the pin shaft extends into the guide hole.
Preferably, the surgical instrument is a laparoscopic cutting stapler.
Drawings
FIG. 1 is a schematic view of a safety device of a surgical instrument according to an embodiment of the present invention in an off position;
FIG. 2 is a schematic view of a connection structure between a safety catch and a closing link and a closing handle of a safety device of a surgical instrument according to an embodiment of the present invention;
fig. 3 and 4 are schematic structural views of a safety catch in the safety device provided by the invention;
FIG. 5 is a schematic view of the safety catch of the safety device of the present invention shown in an open position;
FIG. 6 is a schematic structural view of a safety catch in a safety device according to another embodiment of the present invention;
FIG. 7 is a schematic view of the safe shown in FIG. 6 with the safety catch in an open position;
fig. 8 is a schematic structural view of a safety catch in a safety device according to another embodiment of the present invention.
Reference numerals:
1, a safety catch 2, a driving piece 3 and a percussion handle
4, a closing handle 5, a closing connecting rod 11 and a clamping hook
12, a pivot shaft 13, a supporting surface 14 and a pin shaft
15, slide block 21, rack 31, pawl
32, pivot shaft 41, pivot shaft 51, guide hole
6, guide groove
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides a safety device of a surgical instrument and a surgical instrument having the safety device, and in order to facilitate the description of the working process and working principle of the safety device, the safety device is described in the embodiment with the related concept of the surgical instrument introduced, and therefore, the working principle of the surgical instrument having the safety device is not separately described herein.
In addition, in various embodiments of the present invention, "distal" refers to the side of the surgical instrument that is distal from the user when the surgical instrument is operated, and "proximal" refers to the side of the surgical instrument that is proximal to the user when the surgical instrument is operated.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a safety device of a surgical instrument according to an embodiment of the present invention in an off position; fig. 2 is a schematic view of a connection structure between a safety catch and a closing link and a closing handle in a safety device of a surgical instrument according to an embodiment of the present invention.
In one particular embodiment, as shown in fig. 1 and 2, the surgical instrument provided by the embodiments of the present invention comprises an end effector, an elongated body, and an operating handle comprising a fixed handle, a closing handle 4, a firing handle 3, a driver 2, and a closing link 5; the distal end of the elongated body is connected with the proximal end of the end effector, and the proximal end of the elongated body is connected with the fixed handle; the closing handle 4 is pivoted on the fixed handle through a pivoting shaft 41, one end of the closing connecting rod 5 close to the side is in transmission connection with the closing handle 4, the firing handle 3 is pivoted on the fixed handle through a pivoting shaft 32, a pawl 31 is arranged at one end of the firing handle 3 facing the driving piece 2, and a rack 21 is formed on the side face of the driving piece 2 facing the pawl 31; the surgical instrument further comprises a safety device, and the safety device can enable the nail anvil and the nail box of the end effector in the surgical instrument not to be fired and sutured when not closed, so that the safety of the surgical instrument in use is improved.
Preferably, the surgical instrument is a laparoscopic cutting stapler.
Referring to fig. 1 and 2, a safety device of a surgical instrument according to an embodiment of the present invention includes a safety catch 1, the safety catch 1 is in transmission connection with a closing link 5 of the surgical instrument, and the safety catch 1 is driven by the closing link 5 to switch between an open position and a closed position;
when the safety catch 1 is in the off position, as shown in figure 1, the safety catch 1 is in the interference position, the pawl 31 of the surgical instrument interfering with the safety catch 1 before engaging the rack 21 of the driver 2; when the closing link 5 is moved in the proximal-to-distal direction for the closing operation, the closing link 5 drives the safety catch 1 to move from the closed position to the open position, and as shown in fig. 5, the safety catch 1 moves to the open position to release the interference of the safety catch 1 with the pawl 31 after the closing link 5 drives the end effector of the surgical instrument to close.
In the safety device, as shown in fig. 5, after the closing link 5 has driven the end effector to close, the safety catch 1 is driven by the closing link 5 to be in an open position, at this time, the pawl 31 can be engaged with the rack 21 of the driving member 2 when the firing handle 3 is operated, and the firing handle 3 can control the driving member 2 to move in the distal direction, so as to control the end effector to perform actions such as cutting and suturing; however, as shown in fig. 1, when the closing link 5 is not closed, the safety catch 1 is in the closed position, and at this time, the safety catch 1 is in the interference position, and at this time, when the firing handle 3 is controlled to rotate around the pivot shaft 32 between the firing handle and the fixed handle, the pawl 31 provided to the firing handle 3 interferes with the safety catch 1 before engaging with the rack 21 provided to the driver 2, and further the pawl 31 cannot engage with the rack 21 of the driver 2, the firing handle 3 cannot control the driver 2 to operate, and the surgical instrument cannot perform such operations as cutting and suturing.
Therefore, the safety device can ensure that the end effector is always in a closed state when the surgical operation instrument can perform actions such as cutting, suturing and the like, and the safety of the surgical operation instrument during use is improved.
In the safety device provided in the above embodiment, the safety catch 1 is in transmission connection with the closing link 5 of the surgical instrument, and the safety catch 1 can be switched between the open position and the closed position thereof by being driven by the closing link 5, which can be specifically realized by various setting manners:
firstly, as shown in fig. 1 to 5, the safety catch 1 includes a hook 11, and the safety catch 1 is mounted on a fixed handle of a surgical instrument through a pivot shaft 12, and the axis of the pivot shaft 12 is perpendicular to the axis of an elongated body in the surgical instrument; when the safety catch 1 is in the closed position, the pawl 31 interferes with the hook 11 of the safety catch 1 before engaging with the rack 21 of the driving member 2; the safety catch 1 is in transmission connection with the closing connecting rod 5 through a pair of pin shafts and guide holes.
In the first mode, the closing link 5 can drive the safety catch 1 to rotate around the axis of the pivot 12 when acting, so that the safety catch 1 can be switched between the closed position and the open position.
On the basis of the first mode, specifically, as shown in fig. 2 and 4, the pin 14 may be provided on the safety catch 1, the guide hole 51 is provided on the close link 5, and the pin 14 extends into the guide hole 51.
It is, of course, also possible that the guide hole is provided in the safety catch 1 and the pin is provided in the closing link 5 and extends into the guide hole (not shown in the figure).
The two modes can realize the transmission connection between the closing connecting rod 5 and the safety catch 1.
As shown in fig. 3 and 4, in a preferred embodiment, the safety catch 1 is an L-shaped structure, one end of the safety catch 1 is mounted on the fixed handle through a pivot 12, and the other end forms the hook 11. The safety catch 1 has an L-shaped structure, so that the rotating radius of the safety catch 1 can be reduced when the safety catch rotates around the pivot shaft 12, and the compactness of the internal structure of the operating handle is improved.
As shown in fig. 3, the safety catch 1 is further provided with a supporting surface 13, when the safety catch 1 is in the closed position, the supporting surface 13 of the safety catch 1 abuts against a surface of the driving member 2 on a side away from the pawl 31, so that stability of the safety catch 1 in the closed position is improved.
In the second mode, the safety catch 1 is in transmission connection with the closing link 5 of the surgical instrument, and the safety catch 1 can be switched between the open position and the closed position thereof under the driving of the closing link 5, and the following modes can also be adopted:
as shown in fig. 6 and 7, the safety catch 1 is fixed to the closing link 5, and when the closing link 5 does not perform a closing operation, the safety catch 1 is in a closed position, as shown in fig. 6, and at this time, the pawl 31 interferes with the safety catch 1 before engaging with the rack 21 of the driving member 2; when the closing link 5 is moved in the proximal to distal direction for the closing operation, the safety catch 1 moves with the closing link 5 in the distal direction, and when the closing link 5 drives the end effector of the surgical instrument closed, the safety catch 1 moves to the open position, as shown in fig. 7, at which point the pawl 31 is able to engage with the rack 21.
In a third mode, the safety catch 1 is in transmission connection with the closing link 5 of the surgical instrument, and the safety catch 1 can be switched between the open position and the closed position thereof under the driving of the closing link 5, and the switching can be realized by the following modes:
as shown in fig. 8, the safety catch 1 is connected with the fixed handle of the surgical instrument through at least a pair of sliding-fit guide grooves and sliding blocks, taking fig. 8 as an example, the guide groove 6 is arranged on the fixed handle, the sliding block 15 is formed on the safety catch 1, and the length direction of the guide groove 6 is perpendicular to the axial lead of the elongated body of the surgical instrument; the safety catch 1 is in transmission connection with the closing connecting rod 5 through a pair of pin shafts and guide holes.
Taking the orientation shown in fig. 8 as an example, the sliding fit between the slider 15 and the guide groove 6 enables the safety catch 1 to move only in the up-down direction relative to the fixed handle; in the structure shown in fig. 8, the closing link 5 does not perform a closing operation on the end effector at this time, and the safety catch 1 is in the closed position at this time; when the closing connecting rod 5 is required to drive the end effector to close, the closing connecting rod 5 moves towards the left side, the safety catch 1 moves upwards to an open position under the guidance of the guide groove 6 when the safety catch 1 is driven by the closing connecting rod 5 through the matching of the guide hole 51 and the pin shaft, and the safety catch 1 is switched from the closed position to the open position; when the safety catch 1 is in the open position, the closing link 5 is in a state of closing the end effector, and when the closing link 5 moves from the far side to the near side, the safety catch 1 moves downward to the closed position under the driving of the guide hole 51 and the pin shaft and the guiding action of the slider 15 and the guide groove 6, thereby realizing the switching of the safety catch 1 from the open position to the closed position.
In the third mode, the slider may be disposed on the fixed handle, and the guide groove is formed on the safety catch (not shown).
Preferably, in the third mode, a pin may be disposed on the safety catch 1 between the safety catch 1 and the closing link 5, the guide hole 51 is disposed on the closing link 5, and the pin extends into the guide hole 51.
It is, of course, also possible that the guide hole is provided in the safety catch 1 and the pin is provided in the closing link 5 and extends into the guide hole (not shown in the figure).
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A safety device of a surgical instrument is characterized by comprising a safety catch, wherein the safety catch is in transmission connection with a closing connecting rod of the surgical instrument, and the safety catch can be switched between an open position and a closed position of the safety catch under the driving of the closing connecting rod;
when the safety catch is in the off position, the safety catch is in the interference position, and the pawl of the surgical operating instrument interferes with the safety catch before being meshed with the rack of the driving part; when the closing connecting rod moves from the near side to the far side to perform closing operation, the closing connecting rod drives the safety catch to move from the closed position to the open position, and the safety catch moves to the open position after the closing connecting rod drives the end effector of the surgical instrument to close so as to relieve the interference of the safety catch on the pawl.
2. A safety arrangement according to claim 1, wherein the safety catch is drivingly connected to a closure link of the surgical instrument, the safety catch being switchable between its open and closed positions upon actuation of the closure link, comprising:
the safety catch comprises a clamping hook, the safety catch is mounted on a fixed handle of the surgical instrument through a pivot shaft, the axis of the pivot shaft is perpendicular to the axis of an elongated body in the surgical instrument, and when the safety catch is in a closed position, the pawl interferes with the clamping hook of the safety catch before being meshed with the rack of the driving piece; the safety catch is in transmission connection with the closing connecting rod through a pair of pin shafts and guide holes.
3. A safety arrangement according to claim 2, wherein the pin is provided on the safety catch or the guide hole is provided on the safety catch.
4. A safety arrangement according to any one of claims 2 or 3, wherein the safety catch is L-shaped and is pivotally mounted at one end to the fixed handle and at the other end forms the catch.
5. A safety arrangement according to claim 4, wherein the safety catch is provided with a support surface which, in the closed position, abuts a surface of the drive member facing away from the pawl.
6. A safety arrangement according to claim 1, wherein the safety catch is drivingly connected to a closure link of the surgical instrument, the safety catch being switchable between its open and closed positions upon actuation of the closure link, comprising:
the safety catch is fixed on the closing connecting rod, when the closing connecting rod does not perform a closing action, the safety catch is in a closing position, when the closing connecting rod moves from a near side to a far side to perform a closing operation, the safety catch moves along with the closing connecting rod in a far side direction, and the safety catch moves to an opening position after the closing connecting rod drives the end effector of the surgical instrument to close.
7. A safety arrangement according to claim 1, wherein the safety catch is drivingly connected to a closure link of the surgical instrument, the safety catch being switchable between its open and closed positions upon actuation of the closure link, comprising:
the safety catch is connected with a fixed handle of the surgical instrument through at least one pair of guide grooves and sliding blocks which are in sliding fit, and the length direction of each guide groove is perpendicular to the axial lead of the elongated body of the surgical instrument; the safety catch is in transmission connection with the closing connecting rod through a pair of pin shafts and guide holes.
8. The safety device of claim 7, wherein the slider is formed on the safety catch and the guide slot is formed in the stationary handle.
9. A surgical instrument comprising an end effector, an elongated body, and an operating handle comprising a fixed handle, a closing handle, a firing handle, a drive, and a closing link; a distal end of the elongate body is coupled to a proximal end of the end effector, and a proximal end of the elongate body is coupled to the stationary handle; the closing handle is pivoted to the fixed handle, one end of the closing connecting rod close to the near side is in transmission connection with the closing handle, the firing handle is pivoted to the fixed handle, a pawl is arranged at one end of the firing handle facing the driving piece, and a rack is formed on the side face of the driving piece facing the pawl; the safety device is characterized by further comprising the safety device as claimed in any one of claims 1 to 8.
10. A surgical instrument according to claim 9,
when the safety buckle is provided with a pin shaft, the closing connecting rod is provided with a guide hole, and the pin shaft extends into the guide hole; or,
when the safety buckle is provided with the guide hole, the closing connecting rod is provided with a pin shaft, and the pin shaft extends into the guide hole.
11. A surgical instrument as recited in claim 9, wherein the surgical instrument is a laparoscopic cutting stapler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354581.9A CN105433999B (en) | 2014-07-23 | 2014-07-23 | The safeties and surgical operating instrument of surgical operating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354581.9A CN105433999B (en) | 2014-07-23 | 2014-07-23 | The safeties and surgical operating instrument of surgical operating instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105433999A CN105433999A (en) | 2016-03-30 |
| CN105433999B true CN105433999B (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354581.9A Active CN105433999B (en) | 2014-07-23 | 2014-07-23 | The safeties and surgical operating instrument of surgical operating instrument |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109674500B (en) * | 2018-12-25 | 2024-04-02 | 上海逸思医疗科技股份有限公司 | Safety device of surgical instrument |
| WO2024017212A1 (en) * | 2022-07-18 | 2024-01-25 | 天臣国际医疗科技股份有限公司 | Platform assembly and stapler |
| WO2024017223A1 (en) * | 2022-07-18 | 2024-01-25 | 天臣国际医疗科技股份有限公司 | Firing and switching mechanism and medical stapler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| EP0669104A1 (en) * | 1994-02-25 | 1995-08-30 | Ethicon Endo-Surgery | Anvil pockets for surgical stapler |
| CN201012099Y (en) * | 2007-01-05 | 2008-01-30 | 苏州天臣国际医疗科技有限公司 | Visible round tube type surgical binding instrument |
| CN201167991Y (en) * | 2008-01-25 | 2008-12-24 | 苏州天臣国际医疗科技有限公司 | Automatic safety surgical stitching instrument |
| CN203970451U (en) * | 2014-07-23 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | The safety of surgical operating instrument and surgical operating instrument |
-
2014
- 2014-07-23 CN CN201410354581.9A patent/CN105433999B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| EP0669104A1 (en) * | 1994-02-25 | 1995-08-30 | Ethicon Endo-Surgery | Anvil pockets for surgical stapler |
| CN201012099Y (en) * | 2007-01-05 | 2008-01-30 | 苏州天臣国际医疗科技有限公司 | Visible round tube type surgical binding instrument |
| CN201167991Y (en) * | 2008-01-25 | 2008-12-24 | 苏州天臣国际医疗科技有限公司 | Automatic safety surgical stitching instrument |
| CN203970451U (en) * | 2014-07-23 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | The safety of surgical operating instrument and surgical operating instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105433999A (en) | 2016-03-30 |
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Address after: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee before: Reach Surgical Instrument (China) Co.,Ltd. |
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