CN204520832U - Tube type anastomat and safety thereof - Google Patents
Tube type anastomat and safety thereof Download PDFInfo
- Publication number
- CN204520832U CN204520832U CN201520148361.0U CN201520148361U CN204520832U CN 204520832 U CN204520832 U CN 204520832U CN 201520148361 U CN201520148361 U CN 201520148361U CN 204520832 U CN204520832 U CN 204520832U
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- CN
- China
- Prior art keywords
- drive rod
- safety
- rotating shaft
- push rod
- housing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of safety of anastomat, comprise housing; The firing handle that can rotate relative to housing; By the drive rod that the first rotating shaft is rotatably connected on housing, described drive rod is provided with push rod away from the position of the first rotating shaft, the two ends of push rod are provided with push button, described drive rod can be rotated to the second position along described first rotating shaft by primary importance by push button; Safety block, described safety block is arranged in housing with rotating, described safety block has the fixing first end in position and the second limiting section, described first end can offset with firing handle, second limiting section is " U " shape structure, the connection that described drive rod or push rod can contact with the both sides inwall of the second limiting section " U " shape structure, and rotate with the rotation of drive rod.The safety that this utility model provides are arranged on anastomat inside, not only save space, and action is clear, and safety effect is remarkable, and security performance is high, feel and appearance better.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly a kind of tube type anastomat with safety.
Background technology
In surgical operation, Medical stapler has become requisite medical apparatus and instruments in tissue sewing process, along with development and the research and development of products of medical science, more and more multi-functional anastomat products application is in clinical, the scope of application has related to the every field such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, gynecological, becomes one of requisite operation tool of doctor.The application of Medical stapler has the plurality of advantages such as hands intraoperative hemorrhage is less, operating time is shorter, can reduce error hand-manipulated, postoperative function recovery is fast.
A kind of typical anastomat, comprise outer insurance, straight push rod, flexible handle, fixed handle is provided with safety pin shaft, and outer insurance is rotatably installed in safety pin shaft, the sliding end of outer insurance abuts with the guard terminal of flexible handle, when using anastomat, rotate the rotary handle of anastomat, after anastomat to suitable closed gap, insure over rotation, be insure no longer to abut against with the guard terminal of flexible handle, rear fixed handle can be freely movable, thus carry out next step operation.
But the design of this anastomat, is usually arranged on anastomat enclosure owing to insuring, take larger space, and operating handle has some setbacks, in insurance opening and closing process, feel prompting is unintelligible, is not easy to doctor's operation.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of safety of tube type anastomat, these safety are arranged on anastomat inside, not only save space, and action is clear, safety effect is remarkable, feel and appearance better thus overcome the deficiencies in the prior art.
In order to solve the problems of the technologies described above, this utility model provides a kind of safety of anastomat, the firing handle that comprise housing, can rotate relative to described housing, the safety of this anastomat, also comprise interior safety, described interior safety comprise: drive rod, be rotatably connected on the housing by the first rotating shaft, described drive rod is provided with push rod away from the position of the first rotating shaft, the two ends of described push rod are provided with push button, described drive rod can be rotated to the second position along described first rotating shaft by primary importance by described push button; Safety block, described safety block is arranged in described housing in a rotatable manner, described safety block has the fixing first end in position and the second limiting section, described first end can offset with described firing handle, described second limiting section is " U " shape structure, described drive rod or described push rod and the connection that can contact inside the two side of described second limiting section " U " shape structure, described second limiting section can rotate with the rotation of drive rod.
Preferably, the push rod that described drive rod is installed is between the two side of described second limiting section, when described drive rod is rotated to the second position by primary importance, described push rod contacts and the sidewall promoting described second limiting section rotates, and makes described safety block first end depart from described firing handle.
Preferably, distance between the two side of described second limiting section of described safety block is less than described push rod by the air line distance between primary importance rotation to the second position, during initial position, described push rod and one of them sidewall wherein abut against, rotated in the process of the second position by primary importance at described push rod, first described push rod moves between " U " shape structure two sidewalls, then another sidewall is arrived, and promote another sidewall, safety block entirety is rotated, first end and the described firing handle of postrotational described safety block are separated.
Preferably, described housing is provided with arcuate groove, described push rod is fixed installation through described arcuate groove and described push button, and described drive rod, rotates along described arcuate groove for axle with described first rotating shaft.
Preferably, described housing comprises left and right housing two parts, and described push button is two, and described left and right housing is provided with described arcuate groove, and described push rod is each passed through arcuate groove on described left and right housing and described push button is fixed connection.
Preferably, described safety also comprise the fixed pedestal be fixed in housing, and are installed on the limiting component of described fixed pedestal inside;
Described drive rod is rotationally connected by the first rotating shaft and fixed pedestal, described drive rod is also provided with positive stop end, described positive stop end is spacing by described limiting component clamping, and the positive stop end of described drive rod is positioned at the inside of fixed pedestal, and the push rod of described drive rod is positioned at the outside of described fixed pedestal.
More preferably, described limiting component comprises: ball, contacts with the positive stop end of described drive rod; Spring, in the cavity formed between described ball and described fixed pedestal; Wherein, when described drive rod with described first axis of rotation to the first restraining position time, described ball first compresses described spring, and by described spring reset, the Part I of described ball and described fixed pedestal forms the clamping to described positive stop end; When described drive rod with described first axis of rotation to the second restraining position time, the Part II of described ball and described fixed pedestal forms the clamping to described positive stop end.
Preferably, described drive rod also comprises drive rod body, and described push rod and described positive stop end lay respectively at the both sides of described first rotating shaft, and the hole that described first rotating shaft and described push rod are each passed through on described drive rod body is connected with drive rod body.
Preferably, described firing handle is provided with projection, and described projection can abut against with the spacing end of first of described safety block.
This utility model additionally provides a kind of tube type anastomat, comprises staple assembly, device body and is installed on described device safety with it, and described safety are the safety described in above-mentioned any one.
Before opening insurance, the first end of described safety block props up firing handle, second limiting section with " U " shape structure has two side, and described drive rod or described push rod are between the two side of described second limiting section, the described push button of manual promotion, opening in reinsurance process, described drive rod rotates around the first rotating shaft, rotated by initial primary importance and extremely insure the second position opened, then promote safety block second limiting section between two side by push rod or drive rod to rotate, the first end of described safety block rotates thereupon, depart from firing handle, when apparatus has been pulled the trigger, the described push button of manual promotion, drive rod rotates back to initial primary importance by insuring the second position opened, second limiting section with " U " shape structure rotates under push rod or the rightabout thrust of drive rod, get back to initial position.
The anastomat that this utility model provides, due to these safety are arranged on anastomat inside, not only save space, and action is clear, and safety effect is remarkable, and security performance is high, and feel and appearance better, thus overcome the deficiencies in the prior art.
Accompanying drawing explanation
The tube type anastomat structural representation that Fig. 1 provides for this utility model embodiment;
Fig. 2 is the partial enlargement structural representation of Fig. 1;
The safety block structure schematic diagram that Fig. 3 provides for this utility model embodiment;
The firing handle schematic diagram of the tube type anastomat that Fig. 4 provides for this utility model embodiment;
The drive rod structural representation of the tube type anastomat that Fig. 5 provides for this utility model embodiment;
The drive rod of the tube type anastomat that Fig. 6 provides for this utility model embodiment is in generalized section during the first restraining position;
The drive rod of the tube type anastomat that Fig. 7 provides for this utility model embodiment is in generalized section during the second restraining position;
The housing interior structure schematic diagram of the tube type anastomat that Fig. 8 provides for this utility model embodiment;
Generalized section during the safety original state of the tube type anastomat that Fig. 9 provides for this utility model embodiment;
The safety of the tube type anastomat that Figure 10 provides for this utility model embodiment are in generalized section during open mode.
Detailed description of the invention
Understand the technical solution of the utility model better to make those skilled in the art can be implemented, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but illustrated embodiment is not as to restriction of the present utility model.
This utility model provides a kind of safety of anastomat, and applies the anastomat of these safety, specifically for tube type anastomat, consults shown in Fig. 1-3, and the safety of described tube type anastomat comprise housing 1; Install on the housing, and can carry out relative to it the firing handle 2 that rotates; Drive rod 4, be rotatably connected on described housing 1 by the first rotating shaft 42, described drive rod 4 is provided with push rod 43 away from the position of the first rotating shaft 42, the two ends of described push rod 43 are provided with push button 44, described drive rod 4 can be rotated to the second position along described first rotating shaft 42 by primary importance by described push button 44; Safety block 3, described safety block 3 is arranged in described housing 1 in a rotatable manner, described safety block 3 has the fixing first end 31 in position and the second limiting section 32, described first end 31 can offset with described firing handle 2, described second limiting section 32 is " U " shape structure, the two side 321 of " U " shape structure of described drive rod 4 or push rod 43 and described second limiting section 32, the connection that can contact inside 322, described second limiting section 32 can rotate with the rotation of drive rod 4.
Preferably, consult shown in Fig. 2, the described push rod 43 that described drive rod 4 is installed is positioned at the two side 321 of described second limiting section 32, between 322, when described drive rod 4 is rotated to the second position by primary importance, described push rod 43 contacts and the sidewall 322 promoting described second limiting section 32 rotates, and makes described safety block first end 31 depart from described firing handle 2.
Preferably, the two side 321 of described second limiting section 32 of described safety block 3, the distance between 322 is less than described push rod 43 by the air line distance between primary importance rotation to the second position.Further, described push rod 43 is by the air line distance between primary importance rotation to the second position, be greater than two side 321, distance between 322 and safety block first end 31 depart from the distance sum of firing handle 2, to ensure in the rotary distance that push rod 43 is predetermined, second limiting section 32 that can promote safety block rotates, and make safety block first end 31 depart from firing handle 2, safety are opened.
The safety of the tube type anastomat that this utility model provides, refer to shown in Fig. 9-10, when original state, the first end 31 of safety block and the firing handle 2 of tube type anastomat offset, concrete, consult shown in Fig. 4, described firing handle 2 is provided with protruding 21, during original state, the first end 31 of safety block and protruding 21 offsets; The sidewall 321 of described push rod 43 and described second limiting section 32 contacts.By promoting the push button 44 be connected with described drive rod 4, described drive rod 4 with the first rotating shaft 42 for rotating shaft rotates clockwise, rotated by initial primary importance and extremely insure the second position opened, simultaneously, described push rod 43 contacts and the sidewall 322 promoting described second limiting section 32 rotates, now, because described safety block first end 31 and described second limiting section 32 position are fixed, therefore, the safety block first end 31 that script and described firing handle projection 21 offset and described firing handle projection 21 are separated, safety are opened, firing handle 2 can be rotated counterclockwise around the shaft, pull the trigger.
After apparatus has been pulled the trigger, unclamp firing handle 2, firing handle 2 automatically reverts to original state, the described push button 44 of manual promotion is returned to initial position, described drive rod 4 with the first rotating shaft 42 for rotating shaft rotates counterclockwise, the second position opened by safety rotates back to initial primary importance, described push rod 43 contacts and the sidewall 321 promoting described second limiting section 32 turns clockwise, described safety block first end 31 is resetted, abut against with described firing handle 2, original state got back to by apparatus.
The described push rod 43 that described drive rod 4 is installed is positioned at the two side 321 of described second limiting section 32, between 322, when described drive rod 4 is rotated to the second position by primary importance, preferably, described drive rod 4 with described first rotating shaft 42 for rotating shaft, with the distance between described first rotating shaft 42 and described push rod 43 for radius rotates, therefore, the housing 1 of described tube type anastomat is provided with the one section of arcuate groove 11 matched with described push rod 43 movement locus.
Preferably, described housing 1 comprises left and right housing two parts, arcuate groove 11 is equipped with at the left and right sides housing of described housing 1, described push button 44 is also set to two, left and right, and described push rod 43 is each passed through arcuate groove 11 on described left and right housing and two push buttons 44 are fixed connection in both sides.What arrange that two arcuate grooves 11 and push button 44 be more conducive to moving is smooth and easy, steady.
In tube type anastomat safety opening-closing process, in order to improve safety effect further, and security performance, preferred scheme is: tube type anastomat safety provided by the utility model, also comprise and spacing limiting component 5 is carried out to drive rod 4, described limiting component 5 is installed in anastomat housing 1, preferably, described limiting component 5 is fixed by the fixed pedestal 51 be fixed in housing 1, concrete is arranged in described fixed pedestal 51 inner chamber, and axle rotation can be carried out relative to described fixed pedestal 51, the setting of fixed pedestal 51, make the installation of limiting component 5 and drive rod 4 and locate more convenient and firm.
Concrete, consult shown in Fig. 6-7, described drive rod 4 is rotationally connected with fixed pedestal 51 by the first rotating shaft 42, described drive rod 4 is also provided with positive stop end 41, described positive stop end 41 is spacing by the clamping of described limiting component 5, the positive stop end 41 of described drive rod 4 is positioned at the inside of fixed pedestal 51, and the push rod 43 of described drive rod 4 is positioned at the outside of described fixed pedestal 51.
Preferably, described fixed pedestal 51 comprises base body and fixed cap, base body lateral surface is provided with fixture block, fixed cap lateral surface is provided with the draw-in groove mating clamping with the fixture block on base body lateral surface, base body and fixed cap are fixed and form the fixed pedestal 51 of one end with groove, and arrange drive rod first rotating shaft 42 installing hole in described fixed pedestal 51, described drive rod 4 is rotating to be arranged in described installing hole.
Preferably, described limiting component 5 comprises ball 52 and spring 53, and described ball 52 contacts with the positive stop end 41 of described drive rod 4; Described spring 53 is positioned at the cavity that described ball 52 is formed with described fixed pedestal 51; Wherein, when described drive rod 4 turns to the first restraining position with described first rotating shaft 42, described ball 52 first compresses described spring 53, reset by described spring 53, described ball 52 and the Part I 511 of described fixed pedestal 51 form the clamping to described positive stop end 41, make drive rod 4 rest on the first restraining position; When described drive rod 4 turns to the second restraining position with the first rotating shaft 42, described ball 52 and the Part II 512 of fixed pedestal 51 form the clamping to described positive stop end 41, make drive rod 4 rest on the first restraining position.
Preferably, described limiting component 5 can also comprise spring fixed seat, and spring fixed seat is chuck structure or draw-in groove, and when for chuck structure, spring 53 one end is socketed in chuck structure, and the other end contacts with ball 52 or is connected; When for draw-in groove, spring 53 one end is connected in draw-in groove, and the other end contacts with ball 52 or is connected, and such setting makes the stability of limiting component 5 in fixed pedestal 51 better.
Preferably, the positive stop end 41 of described drive rod 4 is arranged to lozenges.
Preferably, described ball 52 can be steel ball or plastic bead, and described spring 53 can be stage clip.
Preferably, consult shown in Fig. 5, described drive rod 4 comprises drive rod body 45, one end of drive rod body 45 is positive stop end 41, the other end is provided with push rod 43, described push rod 43 and described positive stop end 41 lay respectively at the both sides of described first rotating shaft 42, and the hole that described first rotating shaft 42 and described push rod 43 are each passed through on described drive rod body 45 is connected with drive rod body 45.
Preferably, consult shown in Fig. 8, on the housing 1 of tube type anastomat except be provided be suitable for push rod 43 slide arcuate groove 11 except, also be respectively equipped with the installing hole 12 for installing firing handle 2, concrete, by hole 22 Matching installation that a rotating shaft and described firing handle are arranged, described firing handle 2 can relatively rotate relative to tube type anastomat housing 1 around described rotating shaft; For installing the fixed axis 13 of torsion spring and safety block 3, described safety block 3 is provided with the safety block mounting groove 34 matched with described fixed axis 13; And be used for installing the draw-in groove 14 of described drive rod first rotating shaft 42.
Above-mentioned drive rod 4 can have various ways, selectable, its first rotating shaft 42 is through a hole on described drive rod body 45 or two holes, described push rod 43 is through a hole on described drive rod body 45 or two holes, the shape of cross section of described first rotating shaft 42 and the shape of the cross section of described push rod 43 identical or different, selectable, the shape of cross section of described first rotating shaft 42 and the shape of the cross section of described push rod 43 can be all circular, or the shape of the cross section of described first rotating shaft 42 is circular, the shape of the cross section of described push rod 43 is square.
Due to described drive rod 4 by the limiting component 5 that this utility model provides carry out initial position and insurance enable possition stop and switching, the action of safety device for anastomat is clear, safety effect is remarkable, security performance is high, simultaneously because safety are arranged on apparatus inside, therefore possess superior feel and appearance.
The above embodiment is only for absolutely proving the preferred embodiment that this utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on this utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. safety for anastomat, the firing handle (2) that comprise housing (1), can rotate relative to described housing (1), is characterized in that, also comprise:
Drive rod (4), be rotatably connected on described housing (1) by the first rotating shaft (42), described drive rod (4) is provided with push rod (43) away from the position of the first rotating shaft (42), the two ends of described push rod (43) are provided with push button (44), described drive rod (4) can be rotated to the second position along described first rotating shaft (42) by primary importance by described push button (44);
Safety block (3), described safety block (3) is arranged in described housing (1) in a rotatable manner, described safety block (3) has the fixing first end (31) in position and the second limiting section (32), described first end (31) can offset with described firing handle (2), described second limiting section (32) is " U " shape structure, the two side (321 of described drive rod (4) or described push rod (43) and described second limiting section (32) " U " shape structure, 322) connection that can contact inside, described second limiting section (32) can be rotated with the rotation of drive rod (4).
2. safety according to claim 1, it is characterized in that, the upper described push rod (43) installed of described drive rod (4) is positioned at the two side (321 of described second limiting section (32), 322) between, when described drive rod (4) is rotated to the second position by primary importance, described push rod (43) contacts and the sidewall (322) promoting described second limiting section (32) rotates, and makes described safety block first end (31) depart from described firing handle (2).
3. safety according to claim 1, it is characterized in that, distance between the two side (321,322) of described second limiting section (32) of described safety block (3) is less than described push rod (43) by the air line distance between primary importance rotation to the second position.
4. safety according to claim 1, it is characterized in that, described housing (1) is provided with arcuate groove (11), described push rod (43) is fixed installation through described arcuate groove (11) and described push button (44), described drive rod (4), is rotated along described arcuate groove (11) by described push rod (43) for axle with described first rotating shaft (42).
5. safety according to claim 4, it is characterized in that, described housing (1) comprises left and right housing two parts, described push button (44) is two, described left and right housing is provided with described arcuate groove (11), described push rod (43) is each passed through arcuate groove (11) on described left and right housing and described push button (44) is fixed connection.
6. safety according to claim 1, it is characterized in that, described safety also comprise the fixed pedestal (51) be fixed in housing (1), and are installed on the inner limiting component (5) of described fixed pedestal (51);
Described drive rod (4) is connected with described fixed pedestal (51) by the first rotating shaft (42), described drive rod (4) is also provided with positive stop end (41), described positive stop end (41) is spacing by described limiting component (5) clamping, the described positive stop end (41) of described drive rod (4) is positioned at the inside of described fixed pedestal (51), described drive rod (4) is upper install described push rod (43) be positioned at the outside of described fixed pedestal (51).
7. safety according to claim 6, is characterized in that,
Described limiting component (5) comprising: ball (52), contacts with the described positive stop end (41) of described drive rod (4); Spring (53), is positioned at the cavity formed between described ball (52) and described fixed pedestal (51);
Wherein, when described drive rod (4) turns to the first restraining position with described first rotating shaft (42), described ball (52) first compresses described spring (53), reset by described spring (53), described ball (52) forms the clamping of the described positive stop end (41) to described drive rod (4) with the Part I (511) of described fixed pedestal (51); When described drive rod (4) turns to the second restraining position with described first rotating shaft (42), described ball (52) forms the clamping of the described positive stop end (41) to described drive rod (4) with the Part II (512) of described fixed pedestal (51).
8. safety according to claim 1, it is characterized in that, described drive rod (4) also comprises: drive rod body (45), described push rod (43) and described positive stop end (41) lay respectively at the both sides of described first rotating shaft (42), and the hole that described first rotating shaft (42) and described push rod (43) are each passed through on described drive rod body (45) is connected with drive rod body (45).
9. safety according to claim 1, it is characterized in that, described firing handle (2) is provided with projection (21), and described projection (21) can abut against with the first end of described safety block (3) (31).
10. a tube type anastomat, comprises staple assembly, device body and is installed on described device safety with it, it is characterized in that, described safety are the safety described in 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148361.0U CN204520832U (en) | 2015-03-16 | 2015-03-16 | Tube type anastomat and safety thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148361.0U CN204520832U (en) | 2015-03-16 | 2015-03-16 | Tube type anastomat and safety thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204520832U true CN204520832U (en) | 2015-08-05 |
Family
ID=53734894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520148361.0U Withdrawn - After Issue CN204520832U (en) | 2015-03-16 | 2015-03-16 | Tube type anastomat and safety thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204520832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739475A (en) * | 2015-03-16 | 2015-07-01 | 天津万和医疗器械有限公司 | Tube-type anastomat and safety device thereof |
-
2015
- 2015-03-16 CN CN201520148361.0U patent/CN204520832U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739475A (en) * | 2015-03-16 | 2015-07-01 | 天津万和医疗器械有限公司 | Tube-type anastomat and safety device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Jingrong Inventor before: Pang Jian Inventor before: Li Xuejun |
|
| COR | Change of bibliographic data | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20170426 |
|
| AV01 | Patent right actively abandoned |