CN204106098U - The nail-anvil assembly of surgical operating instrument and surgical operating instrument - Google Patents
The nail-anvil assembly of surgical operating instrument and surgical operating instrument Download PDFInfo
- Publication number
- CN204106098U CN204106098U CN201420622749.5U CN201420622749U CN204106098U CN 204106098 U CN204106098 U CN 204106098U CN 201420622749 U CN201420622749 U CN 201420622749U CN 204106098 U CN204106098 U CN 204106098U
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- China
- Prior art keywords
- nail
- anvil
- rod
- cap
- steady pin
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Abstract
The utility model discloses a kind of nail-anvil assembly and surgical operating instrument, nail-anvil assembly comprises nail-anvil cap, nail anvil rod and lockable mechanism, and lockable mechanism comprises retainer ring and elastic drive part; Nail-anvil cap comprises cap body and connecting rod, passes through pivot knuckles between connecting rod and nail anvil rod; Propeller is sheathed on outside nail anvil rod, is in transmission connection with driving device; Fixing shrink ring is located at the outside of connecting rod, is in transmission connection with propeller; One end of elastic drive part is installed on nail anvil rod, and the other end is installed on nail-anvil cap; Locking connecting rod and nail anvil rod when retainer ring is in locking station, elastic drive part is in energy accumulating state; Retainer ring moves to locking when unlocking station between releasing nail anvil rod and connecting rod, and nail-anvil cap moves to station turning under power of the releasing effect of elastic drive part.Lockable mechanism in above-mentioned nail-anvil assembly only comprises a retainer ring, a propeller and an elastic drive part, and structure is simple, and then can simplify the structure of nail-anvil assembly.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly a kind of nail-anvil assembly of surgical operating instrument and surgical operating instrument.
Background technology
When carrying out surgical operation to tissues such as esophagus, stomach, intestinals, the surgical operating instruments such as many employing anastomats, anastomat can shorten operating time, improves procedure efficiency.And, anastomat adopts suture way axially in operation process, anastomat forms suture ring two sections of tissue inside after sewing up two sections of tissues, what can make to produce in operation organizes hemorrhage etc. can discharge together along with content, to make tissue after surgery than being easier to healing.
Anastomat needs to exit tissue after carrying out cutting and stitching to tissue, the nail-anvil cap of the nail anvil had due to anastomat needs through sewing up the suture ring formed when exiting, the diameter of nail-anvil cap is greater than the diameter of suture ring, and then causes nail-anvil cap can cause damage to suture ring through suture ring.
Utility model content
This utility model provides a kind of nail-anvil assembly of surgical operating instrument and a kind of surgical operating instrument, and in this nail-anvil assembly, nail-anvil cap can overturn relative to nail anvil rod, so can reduce nail anvil when exiting tissue nail-anvil cap to the damage of suture ring.
For achieving the above object, this utility model provides following technical scheme:
A nail-anvil assembly for surgical operating instrument, comprises nail-anvil cap, nail anvil rod and can lock the lockable mechanism of described nail-anvil cap and described nail anvil rod relative position during linking station when described nail-anvil cap is in;
Described nail-anvil cap comprises cap body and the convex connecting rod to described nail anvil rod, and between described connecting rod and described nail anvil rod, part is overlapping and by pivotally connected perpendicular to described nail anvil rod length direction of axial line;
Described lockable mechanism comprises retainer ring and elastic drive part, and wherein, described retainer ring can be sheathed on the outside of described connecting rod slidably along described connecting rod length direction, and is in transmission connection with the propeller of described surgical operating instrument; One end of described elastic drive part is installed on described nail anvil rod, and the other end is installed on described nail-anvil cap; When described retainer ring is in locking station, described Fixing shrink ring is located at outside the overlap of described connecting rod and described nail anvil rod, and described elastic drive part is in energy accumulating state; When described retainer ring removes the locking between described nail anvil rod and described connecting rod when distal direction moves to and unlocks station under described propeller promotes, described nail-anvil cap moves to station turning under power of the releasing effect of described elastic drive part.
For ease of describing, be nearside near the side of user when being set in surgical operating instrument operation, the side away from user is distally.
In above-mentioned nail-anvil assembly, when nail-anvil cap is in can linking station, and retainer ring be in locking station time, Fixing shrink ring is located at the connecting rod of nail-anvil cap and the overlapping position of nail anvil rod, and the outer surface of connecting rod and nail anvil rod all with the contacted inner surfaces of described retainer ring, now, the axial line of retainer ring and the axial line of connecting rod, the axial line of nail anvil rod overlaps, connecting rod can not rotate relative to nail anvil rod axial line pivotally, retainer ring realizes the locking to connecting rod and nail anvil rod, and then the relative position relation of locking nail anvil rod and described nail-anvil cap, nail-anvil cap is remained on can linking station, now, elastic drive part is in energy accumulating state, when propeller moves along the length direction distal direction of nail anvil rod under the driving device of surgical operating instrument drives, impeller driven retainer ring distal direction move until nail anvil rod outer surface no longer with the contacted inner surfaces of retainer ring, and then make the locking of retainer ring releasing to relative position relation between nail anvil rod and connecting rod, now, elastic drive part releases power, and then drive connecting rod pivotally to rotate relative to nail anvil rod, make nail-anvil cap move to station turning.
Therefore, above-mentioned nail-anvil assembly can make nail-anvil cap turn to station turning when exiting tissue, reduce nail-anvil cap through suture ring time need by area, and then reduce nail-anvil cap to the damage of suture ring.
Preferably, described elastic drive part comprises spring, and described nail-anvil cap be in can linking station time, the force direction of releasing of described spring is positioned at outside the axial line of described pivot.
Preferably,
When described nail-anvil cap be in can linking station time, described spring is in stretching energy accumulating state.
Preferably, described nail anvil rod is provided with the first steady pin, and described nail-anvil cap is provided with the second steady pin, and one end of described spring is installed on described first steady pin, and the other end is installed on described second steady pin;
The axial line of the axial line of described first steady pin, the axial line of the second steady pin and described pivot is parallel to each other, described nail-anvil cap be in can linking station time, be triangularly arranged between the axial line of described first steady pin, the axial line of the second steady pin and the projection of the axial line of pivot in the plane perpendicular to described first steady pin axial line.
Preferably, described second steady pin is arranged at described connecting rod or cap body.
Preferably, when described nail-anvil cap be in can linking station time, described spring is in compress energy storage state.
Preferably, described nail anvil rod is provided with steady pin, and described nail-anvil cap is provided with chute; One end of described spring is installed on described nail anvil rod by described steady pin, and the other end coordinates with described slide and offsets with the bottom land of described chute.
Preferably, described elastic drive part comprises spring leaf.
This utility model additionally provides a kind of surgical operating instrument, the propeller comprising driving device and be in transmission connection with described driving device, also comprise any one nail-anvil assembly provided in technique scheme, the propeller of described driving device and described nail-anvil assembly is in transmission connection and described propeller can be driven to move along the length direction distal direction of nail anvil rod in described nail-anvil assembly.
Preferably, described surgical operating instrument is anastomat.
Accompanying drawing explanation
The structural representation of the surgical operating instrument that Fig. 1 provides for this utility model embodiment;
Fig. 2 is a kind of embodiment of this utility model nail-anvil assembly provided and the structural representation coordinated between shell;
In the nail-anvil assembly that Fig. 3 provides for a kind of embodiment of this utility model nail-anvil cap be in can linking station time and nail anvil rod between fit structure schematic diagram;
Fig. 4 is the sectional view of structure shown in Fig. 3;
Fit structure schematic diagram when nail-anvil cap is in station turning in the nail-anvil assembly that Fig. 5 provides for a kind of embodiment of this utility model and between nail anvil rod;
Fig. 6 is the structural representation when elastic drive part in the nail-anvil assembly that provides in the another kind of embodiment of this utility model is spring leaf.
Reference numeral:
1, nail-anvil assembly 2, nail kit assembly 3, fixed handle
4, driving device 11, nail-anvil cap 12, nail anvil rod
13, propeller 14, retainer ring 15, elastic drive part
16, pivot 111, cap body 112, connecting rod
151, second steady pin 152, first steady pin
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
This utility model provides a kind of nail-anvil assembly of surgical operating instrument and a kind of surgical operating instrument with above-mentioned nail-anvil assembly, and preferably, above-mentioned surgical operating instrument is anastomat; For ease of to being described on the upset opportunity of nail-anvil assembly in whole operation process and principle, the related notion to surgical operating instrument is introduced in the process in the present embodiment, above-mentioned nail-anvil assembly is described, therefore, in literary composition, the operation principle of the no longer independent surgical operating instrument to having above-mentioned nail-anvil assembly is described.
Please refer to Fig. 1 ~ Fig. 5, wherein, the structural representation of the surgical operating instrument that Fig. 1 provides for this utility model embodiment; Fig. 2 is a kind of embodiment of this utility model nail-anvil assembly provided and the structural representation coordinated between shell; In the nail-anvil assembly that Fig. 3 provides for a kind of embodiment of this utility model nail-anvil cap be in can linking station time and nail anvil rod between fit structure schematic diagram; Fig. 4 is the sectional view of structure shown in Fig. 3; Fit structure schematic diagram when nail-anvil cap is in station turning in the nail-anvil assembly that Fig. 5 provides for a kind of embodiment of this utility model and between nail anvil rod.
As depicted in figs. 1 and 2, in a kind of specific embodiment, the propeller 13 that the surgical operating instrument that this utility model embodiment provides comprises nail-anvil assembly 1, nail kit assembly 2, fixed handle 3, driving device 4 and is in transmission connection with driving device 4.Nail-anvil cap 11 in nail-anvil assembly 1 can pivotally 16 overturn by nail anvil rod 12 relatively, and propeller 13 is arranged in nail kit assembly 2; As shown in Figure 2, Figure 3 and Figure 4, in nail-anvil assembly 1, be in can linking station for nail-anvil cap 11, specifically refer to the station of nail-anvil cap 11 when to be in vertical state between nail-anvil cap 11 and nail anvil rod 12, nail-anvil cap 11 be in can linking station time, nail kit assembly 2 can coordinate with nail-anvil cap 11 when nail anvil rod 12 slides to nail-anvil cap 11 direction relatively, realizes the stitching to two sections of tissues to be stapled and cutting; As shown in Figure 5, nail-anvil cap 11 is in station turning, specifically refer to the station in nail-anvil cap 11 when being greater than 0 degree and being less than the angle of 90 degree between nail-anvil cap 11 and nail anvil rod 12, above-mentioned nail-anvil cap 11 be in can linking station time, the relative position relation between nail-anvil cap 11 and nail anvil rod 12 is locked by lockable mechanism; After sewing up between tissue, by External Force Acting, lockable mechanism is moved, with remove lockable mechanism to the locking between nail-anvil cap 11 and nail anvil rod 12 and by nail-anvil cap 11 relatively and nail anvil rod 12 overturn around pivot 16 between the two, make nail-anvil cap 11 from turning to station turning by linking station, when nail-anvil assembly 1 can be reduced to take out in tissue, the wound of nail-anvil cap 11 pairs of suture rings, reduces operation risk.
Please refer to Fig. 2, Fig. 3 and Fig. 4, the nail-anvil assembly of the surgical operating instrument that this utility model embodiment provides comprise nail-anvil cap 11, nail anvil rod 12 and when nail-anvil cap 11 be in can linking station time locking nail-anvil cap 11 and nail anvil rod 12 relative position lockable mechanism, lockable mechanism comprises retainer ring 14 and elastic drive part 15; Wherein:
Nail-anvil cap 11 comprises cap body 111 and the convex connecting rod 112 to nail anvil rod 12; Between connecting rod 112 and nail anvil rod 12, part is overlapping, and hinged perpendicular to the pivot 16 of nail anvil rod 12 length direction by the overlapping position that is arranged at connecting rod 112 and nail anvil rod 12, axial line;
Propeller 13 can be sheathed on outside nail anvil rod 12 slidably along the length direction of nail anvil rod 12, and the driving device 4 of nearside one end and surgical operating instrument is in transmission connection;
Retainer ring 14 can be sheathed on the outside of connecting rod 112 slidably along connecting rod 112 length direction, retainer ring 14 is positioned at the side, distally of propeller 13 and is in transmission connection with propeller 13; One end of elastic drive part 15 is installed on nail anvil rod 12, the other end is installed on nail-anvil cap 11; When retainer ring 14 is in locking station, retainer ring 14 is sheathed on outside the overlap of connecting rod 112 and nail anvil rod 12, the outer surface of connecting rod 112 and nail anvil rod 12 all with the contacted inner surfaces of retainer ring 14 to lock connecting rod 112 and nail anvil rod 12, elastic drive part 15 is in energy accumulating state; Retainer ring 14 distal direction under propeller 13 promotes moves to locking when unlocking station between releasing nail anvil rod 12 and connecting rod 112, and nail-anvil cap 11 moves to station turning under power of the releasing effect of elastic drive part 15.
For ease of describing, be nearside near the side of user when being set in surgical operating instrument operation, the side away from user is distally.
In above-mentioned nail-anvil assembly 1, when nail-anvil cap 11 is in can linking station, and retainer ring 14 be in locking station time, as shown in Figure 3 and Figure 4, retainer ring 14 is sheathed on the connecting rod 112 of nail-anvil cap 11 and the overlapping position of nail anvil rod 12, and the outer surface of connecting rod 112 and nail anvil rod 12 all with the contacted inner surfaces of retainer ring 14, now, the axial line of retainer ring 14 and the axial line of connecting rod 112, the axial line of nail anvil rod 12 overlaps, connecting rod 112 can not relative to nail anvil rod 12 pivotally 16 axial line rotate, retainer ring 14 realizes the locking to connecting rod 112 and nail anvil rod 12, and then the relative position relation of locking nail anvil rod 12 and nail-anvil cap 11, nail-anvil cap 11 is remained on can linking station, now, elastic drive part 15 is in energy accumulating state, when propeller 13 moves along the length direction distal direction of nail anvil rod 12 under the driving device 4 of surgical operating instrument drives, as shown in Figure 5, propeller 13 drive retainer ring 14 distal direction to move until nail anvil rod 12 outer surface no longer with the contacted inner surfaces of retainer ring 14, and then make retainer ring 14 remove locking to relative position relation between nail anvil rod 12 and connecting rod 112, now, elastic drive part 15 releases power, and then drive connecting rod 112 relative to nail anvil rod 12 pivotally 16 rotations, make nail-anvil cap 11 move to station turning.
Therefore, above-mentioned nail-anvil assembly can make nail-anvil cap 11 turn to station turning when exiting tissue, reduce nail-anvil cap 11 through need during suture ring by area, and then reduce the damage of nail-anvil cap 11 pairs of suture rings.
Above-mentioned elastic drive part 15 can have multiple choices mode:
Mode one, as shown in Figure 4, above-mentioned elastic drive part 15 can comprise spring; One end of spring is installed on nail anvil rod 12, and the other end is installed on nail-anvil cap 11, and nail-anvil cap 11 be in can linking station time, the force direction of releasing of spring is positioned at outside the axial line of pivot 15.
Preferably, when nail-anvil cap 11 be in can linking station time, spring is in stretching energy accumulating state.
Preferably, when nail-anvil cap 11 be in can linking station time, spring is in compress energy storage state.
On the basis of mode one, in a kind of Alternate embodiments, when nail-anvil cap 11 be in can linking station, spring be in compress energy storage state time, the one end of the spring mentioned in mode one is installed on nail anvil rod 12, and the other end is installed on nail-anvil cap 11, specifically comprises:
Nail anvil rod 12 is provided with steady pin, and nail-anvil cap 11 is provided with chute; One end of spring is installed on nail anvil rod 12 by steady pin, and the other end coordinates with slide and to offset (not shown) with the bottom land of chute.
On the basis of mode one, in another kind of embodiment, as shown in Figure 4 and Figure 5, when elastic drive part 15 is spring, nail anvil rod 12 is provided with the first steady pin 152, nail-anvil cap 11 is provided with the second steady pin 151, and one end of spring is installed on the first steady pin 152, and the other end is installed on the second steady pin 151;
The axial line of the first steady pin 152, the axial line of the second steady pin 151 and the axial line of pivot 16 are parallel to each other, nail-anvil cap 11 be in can linking station time, be triangularly arranged between the axial line of the first steady pin 152, the axial line of the second steady pin 151 and the projection of the axial line of pivot 16 in the plane perpendicular to the first steady pin 152 axial line.
Like this, when retainer ring 14 departs from the locking to nail anvil rod 12, connecting rod 112 spring release in power process can drive connecting rod 112 relative to nail anvil rod 12 pivotally 16 rotate, and then drive nail-anvil cap 11 overturn.
Particularly, above-mentioned second steady pin 151 can be arranged on the connecting rod 112 of nail-anvil cap 11, can also be arranged on the cap body 111 of nail-anvil cap 11.
Mode two, above-mentioned elastic drive part 15 also comprises spring leaf, as shown in Figure 6.
Obviously, those skilled in the art can carry out various change and modification to this utility model embodiment and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (10)
1. a nail-anvil assembly for surgical operating instrument, comprises nail-anvil cap, nail anvil rod and can lock the lockable mechanism of described nail-anvil cap and described nail anvil rod relative position during linking station when described nail-anvil cap is in, it is characterized in that:
Described nail-anvil cap comprises cap body and the convex connecting rod to described nail anvil rod, and between described connecting rod and described nail anvil rod, part is overlapping and by pivotally connected perpendicular to described nail anvil rod length direction of axial line;
Described lockable mechanism comprises retainer ring and elastic drive part, and wherein, described retainer ring can be sheathed on the outside of described connecting rod slidably along described connecting rod length direction, and is in transmission connection with the propeller of described surgical operating instrument; One end of described elastic drive part is installed on described nail anvil rod, and the other end is installed on described nail-anvil cap; When described retainer ring is in locking station, described Fixing shrink ring is located at outside the overlap of described connecting rod and described nail anvil rod, and described elastic drive part is in energy accumulating state; When described retainer ring removes the locking between described nail anvil rod and described connecting rod when distal direction moves to and unlocks station under described propeller promotes, described nail-anvil cap moves to station turning under power of the releasing effect of described elastic drive part.
2. nail-anvil assembly according to claim 1, is characterized in that, described elastic drive part comprises spring, and described nail-anvil cap be in can linking station time, the force direction of releasing of described spring is positioned at outside the axial line of described pivot.
3. nail-anvil assembly according to claim 2, is characterized in that, when described nail-anvil cap be in can linking station time, described spring is in stretching energy accumulating state.
4. the nail-anvil assembly according to Claims 2 or 3, it is characterized in that, described nail anvil rod is provided with the first steady pin, and described nail-anvil cap is provided with the second steady pin, one end of described spring is installed on described first steady pin, and the other end is installed on described second steady pin;
The axial line of the axial line of described first steady pin, the axial line of the second steady pin and described pivot is parallel to each other, described nail-anvil cap be in can linking station time, be triangularly arranged between the axial line of described first steady pin, the axial line of the second steady pin and the projection of the axial line of pivot in the plane perpendicular to described first steady pin axial line.
5. nail-anvil assembly according to claim 4, is characterized in that, described second steady pin is arranged at described connecting rod or cap body.
6. nail-anvil assembly according to claim 2, is characterized in that, when described nail-anvil cap be in can linking station time, described spring is in compress energy storage state.
7. nail-anvil assembly according to claim 6, is characterized in that, described nail anvil rod is provided with steady pin, and described nail-anvil cap is provided with chute; One end of described spring is installed on described nail anvil rod by described steady pin, and the other end coordinates with described slide and offsets with the bottom land of described chute.
8. nail-anvil assembly according to claim 1, is characterized in that, described elastic drive part comprises spring leaf.
9. a surgical operating instrument, the propeller comprising driving device and be in transmission connection with described driving device, it is characterized in that, also comprise the nail-anvil assembly as described in any one of claim 1 ~ 8, the propeller of described driving device and described nail-anvil assembly is in transmission connection and described propeller can be driven to move along the length direction distal direction of nail anvil rod in described nail-anvil assembly.
10. surgical operating instrument according to claim 9, is characterized in that, described surgical operating instrument is anastomat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622749.5U CN204106098U (en) | 2014-10-24 | 2014-10-24 | The nail-anvil assembly of surgical operating instrument and surgical operating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622749.5U CN204106098U (en) | 2014-10-24 | 2014-10-24 | The nail-anvil assembly of surgical operating instrument and surgical operating instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204106098U true CN204106098U (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420622749.5U Withdrawn - After Issue CN204106098U (en) | 2014-10-24 | 2014-10-24 | The nail-anvil assembly of surgical operating instrument and surgical operating instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204106098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105581818A (en) * | 2014-10-24 | 2016-05-18 | 瑞奇外科器械(中国)有限公司 | Nail anvil assembly for surgical operating instrument and surgical operating instrument |
-
2014
- 2014-10-24 CN CN201420622749.5U patent/CN204106098U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105581818A (en) * | 2014-10-24 | 2016-05-18 | 瑞奇外科器械(中国)有限公司 | Nail anvil assembly for surgical operating instrument and surgical operating instrument |
| CN105581818B (en) * | 2014-10-24 | 2018-08-07 | 天津瑞奇外科器械股份有限公司 | The nail-anvil assembly and surgical operating instrument of surgical operating instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20180807 |