CN202776441U - Disposable anastomat with mechanism for preventing secondary percussion - Google Patents
Disposable anastomat with mechanism for preventing secondary percussion Download PDFInfo
- Publication number
- CN202776441U CN202776441U CN201220468919.XU CN201220468919U CN202776441U CN 202776441 U CN202776441 U CN 202776441U CN 201220468919 U CN201220468919 U CN 201220468919U CN 202776441 U CN202776441 U CN 202776441U
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- CN
- China
- Prior art keywords
- percussion
- anastomat
- percussion sheet
- disposable
- secondary firing
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- Expired - Lifetime
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Abstract
The utility model relates to a disposable anastomat with a mechanism for preventing secondary percussion. The disposable anastomat comprises a resisting pin base assembly, a pin warehouse assembly, a movable handle, a fixed handle, a transmission assembly, and a pushing assembly, wherein the resisting pin base assembly is arranged at the front end of the anastomat; the pin warehouse, the movable handle and the fixed handle form an anastomosis gap with the resisting pin base assembly; the transmission assembly is arranged in the fixed handle; and the pushing assembly is matched with the transmission assembly. The anastomat further comprises a safety device and a percussion preventing sheet, and is characterized in that two rows of holes are arranged on the percussion preventing sheet; one side of the percussion preventing sheet is further provided with blocking strips which are symmetrical longitudinally; a row of counter bores, and a blocking table which has a fitting structure with the blocking strips on the percussion preventing sheet are formed on one side of the inner cavity of the fixed handle housing; the safety device is fixed at one side of the pushing assembly; the percussion preventing sheet is blocked in the fixed handle housing and tightly adhered with one side surface of the safety device. The disposable anastomat with the mechanism preventing secondary percussion provided by the utility model has a simple structure, is convenient to assemble and safe to use. After percussion, the anastomat can be automatically locked without secondary percussion. The disposable anastomat provided by the utility model can effectively avoid failure of operation caused by cross infection owning to a secondary use.
Description
Technical field
This utility model relates to a kind of surgical stapling, relates in particular to a kind of anti-secondary firing lock that is specifically designed to the anastomat of operation on digestive tract.
Background technology
In surgical operation, Medical stapler has become requisite medical assistance apparatus in the tissue sewing process.Wherein the circular anastomosis device is applied to coincideing of digestive tract lumen organization operating end-to-end, end offside, side offside, and the annular staple of two row spaces is provided, and annular blade excises unnecessary tissue and forms the circular anastomosis mouth after the staple molding.The application of Medical stapler have in the operation hemorrhage less, operating time short, can reduce error hand-manipulated, avoid infection, postoperative function recovers the plurality of advantages such as fast.
Use clinically at present more tube type anastomat to prevent that mistakenly hit from sending out the insurance modes that manually outer insurance are set at flexible handle that adopt more and realizing that apparatus prevents the unexpected purpose of pulling the trigger, this mode is only preventing that the mistakenly hit before the instrumentation from sending out, and anti-secondary firing lock in the percussion process is set.The apparatus secondary uses in some cases, causes cross infection, increases operation risk.For above situation, designed and developed the disposable anastomat with anti-secondary firing lock.
Anastomat is when normal the use, because operator's repeatedly use, easily cause tissue infection, operator needs a real disposable anastomat that can prevent the secondary percussion, this apparatus can only disposablely use, can prevent from coming risk because secondary uses the cross infection of organizing that causes to surgical band.
Summary of the invention
The technical problems to be solved in the utility model is, for having anastomat now in the many deficiencies that prevent secondary percussion function aspects, design a kind of disposable anastomat with anti-secondary firing lock, this mechanism is installed in apparatus inside, and and the structure of transmission component and propulsion plant match, after the apparatus percussion, it is disposable locked that this device is pulled the trigger assembly with apparatus, can not carry out secondary and pull the trigger.
For solving the problems of the technologies described above, a kind of disposable anastomat with anti-secondary firing lock of this utility model, comprise the anastomat front end the nail supporting base assembly, with this nail supporting base module composition coincide the transmission component installed in the nail bin groupware, flexible handle, fixed handle, fixed handle in gap and and transmission component cooperates the propulsion assembly of installation, this anastomat also comprises safety and anti-percussion sheet, it is characterized in that: described anti-percussion sheet is provided with two rounds, and anti-percussion sheet one side also has laterally zygomorphic card article; Described fixed handle shell inner cavity one side arranges row's counterbore, and and anti-percussion sheet on card article have the Ka Tai of fit structure; Described safety are fixed in a side of propulsion assembly, and anti-percussion sheet is installed in the fixed handle shell, and and a side of safety be adjacent to.
As a kind of improvement of the present utility model, described safety comprise safety plate and insurance fixed block, and described safety plate is installed in the insurance fixed block.
The left side of described safety plate has a raised line, and the right side is provided with three raised lines, and wherein the raised line in left side is by spring and the transmission component Elastic Contact of setting in the insurance fixed block, and three raised lines in right side are against on the anti-percussion sheet.
Cooperate between two raised lines and the anti-percussion sheet about the described safety plate right side Compress Spring is installed, and be provided with spring protecting sleeve.
Described its first round of anti-percussion sheet and the second round are respectively vertically disposed three holes, two holes in the middle of wherein have the size that is complementary with safety plate right side central raised line raised line, and first row up and down the aperture in two holes less than the second row aperture in two holes up and down.
Set the second round on the described anti-percussion sheet has with safety plate right side central raised line and is installed in safety plate upper spring sheath and has the structure that is complementary.
Described anti-percussion sheet is installed in the insurance fixed block and presses close on the face of fixed handle one side.
Also be provided with projection on the described anti-percussion sheet.
Described safety plate locating piece raised line is provided with and prevents the arc-shaped slot that matches of set projection on the percussion sheet.
Described anti-percussion sheet is for having certain elastic metal material.
After adopting such design, this utility model provides the disposable anastomat with anti-secondary firing lock, can prevent that percussion from finishing after because secondary uses the cross infection of organizing cause.This utility model is simple in structure, and is easy to assembly, uses safety, and full automation is processed, and need not artificially regulate, and anastomat is prevented that the secondary percussion from playing very important effect, therefore is more suitable for promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of technical solutions of the utility model, and for can clearer understanding technological means of the present utility model, the utility model is described in further detail below in conjunction with accompanying drawing and the specific embodiment.
Fig. 1 is the disposable anastomat structural representation that the utlity model has anti-secondary firing lock.
Fig. 2 is that safety device for anastomat of the present utility model is at the inner structural representation of installing of apparatus.
Fig. 3 is safety plate structural representation of the present utility model.
Fig. 4 is the ejector sleeve structural representation that is fixed with the safety plate fixed block of the present utility model.
Fig. 5 is the inner safety cutaway view of a kind of anastomat of this utility model.
Fig. 6 is anti-percussion chip architecture sketch map in the anti-secondary firing lock of this utility model.
Fig. 7 is fixed handle inner-cavity structure sketch map of the present utility model.
Fig. 8 is locking state generalized section after the percussion of this utility model anastomat is finished.
The specific embodiment
A kind of disposable anastomat with anti-secondary firing lock of this utility model, as shown in Figure 1, comprise the anastomat front end nail supporting base assembly 1, with this nail supporting base assembly 1 consist of the gap that coincide nail bin groupware 2, flexible handle 3, fixed handle 4, fixed handle 4 interior installations transmission component 5 and and transmission component 5 cooperates the propulsion assembly 6 of installing, this anastomat also comprises safety 7 and the anti-sheet 8 of pulling the trigger.
Such as Fig. 2-shown in Figure 5, transmission component 5 comprises screw mandrel 51 and positioning linkage rod 52, is provided with safety plate chute 53 on the positioning linkage rod 52, and screw is fixedly connected with positioning linkage rod 52 with screw mandrel 51, can guarantee being slidingly matched of positioning linkage rod 52 and screw mandrel 51 after tightening.Safety 7 can fit tightly with the safety plate chute 53 of positioning linkage rod 52 and can relatively move, along with moving axially of screw mandrel 51, safety 7 are done moving perpendicular to axis direction at chute 53 near operator's raised line one side along the chute 53 of positioning linkage rod 52.
Preferably, be provided with a pair of draw-in groove 611 on the ejector sleeve 61.
All the time be against on the chute 53 of positioning linkage rod 52 for the left side raised line 711 of guarantee insurance sheet 71 and keep balance, be provided with symmetrical two springs of relative safety plate 71 median planes at safety plate right side raised line, on the chute that is pressed in positioning linkage rod 52 53 that safety plate 71 is uniform and stable, along with moving axially of positioning linkage rod 52, safety plate 71 is along 53 concavo-convex variations of chute of positioning linkage rod 52 and perpendicular to axial direction moving.
Preferably, safety plate 71 left side raised lines 711 are arranged to very smooth semicircle sphere, can reduce the frictional force between the safety plate 71 and positioning linkage rod 52 in screw mandrel 51 motor processs, be provided with spring protecting sleeve on the spring of installing on the raised line 712,714 about safety plate 71 right sides, be used for preventing two springs that install on the safety plate right side and prevent pulling the trigger sheet 8 frictional force excessive and stuck.
As shown in Figure 6, anti-percussion sheet 8 is provided with two rounds, and projection 84, and anti-percussion sheet 8 one sides also have laterally zygomorphic card article 83.
Preferably, anti-percussion sheet 8 its first rounds and the second round are respectively vertically disposed three holes, two holes 812,822 in the middle of wherein have the size that is complementary with safety plate 7 right side central raised lines 713, and first row up and down two holes 811,813 aperture less than second row up and down two holes 821,823 aperture.Set the second round 821,822,823 on the anti-percussion sheet 8 has with safety plate right side central raised line 713 and is installed in safety plate 71 upper spring sheaths and has the structure that is complementary.
As shown in Figure 7, fixed handle 4 shell inboards are provided with and prevent that card article 83 has the card platform 41 of fit structure on the percussion sheet 8, also are provided with simultaneously 3 counterbores 42,43,44 of vertical arrangement.
When anti-percussion sheet 8 and ejector sleeve 61 assembly connection, two projections 84 that arrange on the anti-percussion sheet 8 are pressed in the draw-in groove 611 that arranges on the ejector sleeve 61, draw-in groove 611 is 3/5 semicircle orifice, flexible handle 3 drive ejector sleeves 61 move to the direction away from the operator along axis during the apparatus percussion, ejector sleeve 61 promotes nail bin groupware 2, after nail bin groupware 2 interior titanium nail puncture tissues run into nail supporting base assembly 1, the palintrope molding, finish operation, owing to prevent that set draw-in groove 611 matches on projection 84 set on the percussion sheet 8 and the ejector sleeve 61, drive anti-sheet 8 advanced in unison of pulling the trigger by draw-in groove 611 when ejector sleeve 61 advances.
The apparatus percussion is finished, when flexible handle 3 will restPose, anti-percussion sheet 8 is in the position at card platform 41 places that are stuck in fixed handle 4 shells, can't reset, anti-percussion sheet 8 impinges upon on the card platform 41 on fixed handle 4 shells, because ejector sleeve 61 restoring force backward, projection 84 set on the anti-percussion sheet 8 are with 611 drawing cracks of ejector sleeve draw-in groove, anti-percussion sheet 8 can't return to the home position.
As shown in Figure 8, when anti-percussion sheet 8 can't recover the home position, three counterbores 42 that arrange on the second round 82 that arranges on it and fixed handle 4 shells, 43,44 lucky positions are corresponding consistent, ejector sleeve 61 drives after anti-safety 7 of pulling the trigger the sheet 8 recover home positions, safety plate 71 right atrial pressures disappear, spring protecting sleeve, with the safety plate right side in the middle of raised line 713 under the tension force of left side spring 721, by the second round 821 on the anti-percussion sheet 8,822,823 sink to respectively the counterbore 42 of fixed handle 4 shells, 43, in 44, ejector sleeve 61 and fixed handle 3 shell clampings are integrated, the two can't relatively move, after ejector sleeve 61 and fixed handle 4 shell clampings were integrated, apparatus can't the secondary percussion.
The above; it only is preferred embodiment of the present utility model; be not that this utility model is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in the protection domain of the present utility model.
Claims (10)
1. the disposable anastomat that has anti-secondary firing lock, comprise the anastomat front end the nail supporting base assembly, with this nail supporting base module composition coincide the transmission component installed in the nail bin groupware, flexible handle, fixed handle, fixed handle in gap and and transmission component cooperates the propulsion assembly of installation, this anastomat also comprises safety and anti-percussion sheet, it is characterized in that:
Described anti-percussion sheet is provided with two rounds, and anti-percussion sheet one side also has laterally zygomorphic card article;
Described fixed handle shell inner cavity one side arranges row's counterbore, and and anti-percussion sheet on card article have the Ka Tai of fit structure;
Described safety are fixed in a side of propulsion assembly, and anti-percussion sheet is installed in the fixed handle shell, and and a side of safety be adjacent to.
2. the disposable anastomat with anti-secondary firing lock according to claim 1 is characterized in that: described safety comprise safety plate and insurance fixed block, and described safety plate is installed in the insurance fixed block.
3. the disposable anastomat with anti-secondary firing lock according to claim 2, it is characterized in that: the left side of described safety plate has a raised line, the right side is provided with three raised lines, wherein the raised line in left side is by spring and the transmission component Elastic Contact of setting in the insurance fixed block, and three raised lines in right side are against on the anti-percussion sheet.
4. the disposable anastomat with anti-secondary firing lock according to claim 3 is characterized in that: cooperate between two raised lines and the anti-percussion sheet about the described safety plate right side Compress Spring is installed, and be provided with spring protecting sleeve.
5. the disposable anastomat with anti-secondary firing lock according to claim 1, it is characterized in that: described its first round of anti-percussion sheet and the second round are respectively vertically disposed three holes, two Kong Jun wherein have the size that is complementary with safety plate right side central raised line, and the aperture in upper and lower two holes of first row is less than the aperture in upper and lower two holes of second row.
6. the disposable anastomat with anti-secondary firing lock according to claim 1, it is characterized in that: set the second round on the described anti-percussion sheet has with safety plate right side central raised line and is installed in safety plate upper spring sheath and has the structure that is complementary.
7. the disposable anastomat with anti-secondary firing lock according to claim 1 is characterized in that: described anti-percussion sheet is installed in the insurance fixed block and presses close on the face of fixed handle one side.
8. the disposable anastomat with anti-secondary firing lock according to claim 1 is characterized in that: also be provided with projection on the described anti-percussion sheet.
9. the disposable anastomat with anti-secondary firing lock according to claim 1 is characterized in that: described ejector sleeve is provided with and prevents the draw-in groove that set projection matches on the percussion sheet.
10. the disposable anastomat with anti-secondary firing lock according to claim 1, it is characterized in that: described anti-percussion sheet is for having certain elastic metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220468919.XU CN202776441U (en) | 2012-09-14 | 2012-09-14 | Disposable anastomat with mechanism for preventing secondary percussion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220468919.XU CN202776441U (en) | 2012-09-14 | 2012-09-14 | Disposable anastomat with mechanism for preventing secondary percussion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202776441U true CN202776441U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220468919.XU Expired - Lifetime CN202776441U (en) | 2012-09-14 | 2012-09-14 | Disposable anastomat with mechanism for preventing secondary percussion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202776441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013181930A1 (en) * | 2012-06-05 | 2013-12-12 | 北京中法派尔特医疗设备有限公司 | Disposable stapler with mechanism for preventing secondary triggering |
-
2012
- 2012-09-14 CN CN201220468919.XU patent/CN202776441U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013181930A1 (en) * | 2012-06-05 | 2013-12-12 | 北京中法派尔特医疗设备有限公司 | Disposable stapler with mechanism for preventing secondary triggering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |