CN202892026U - Stitching instrument provided with cocking safety device - Google Patents
Stitching instrument provided with cocking safety device Download PDFInfo
- Publication number
- CN202892026U CN202892026U CN 201220550177 CN201220550177U CN202892026U CN 202892026 U CN202892026 U CN 202892026U CN 201220550177 CN201220550177 CN 201220550177 CN 201220550177 U CN201220550177 U CN 201220550177U CN 202892026 U CN202892026 U CN 202892026U
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- CN
- China
- Prior art keywords
- chute
- percussion
- safety device
- cocking
- clamping plate
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a stitching instrument provided with a cocking safety device. According to the stitching instrument provided with the cocking safety device, plate springs and a cocking safety pin shaft are added, vertical sliding grooves are arranged below jaw splints, a protrusion is arranged below a nail pushing plate, the distance between the front end of the protrusion and the lagging edge of each sliding groove is the same as the moving distance of the nail pushing plate in a jaw closing process, the height of the bottom end of the protrusion corresponds to the height of the middle of each sliding groove, the plate springs are installed on leading edges of the sliding grooves of one or two jaw splints, the middle parts of the plate springs are convex towards the sliding grooves, and two ends of the cocking safety pin shaft are installed in the sliding grooves of two jaw splints in a sliding mode. The stitching instrument provided with the cocking safety device is suitable for both straight line stitching instruments and cutting stitching instruments with cutters, reasonable in design, and compact in structure. Unexpected cocking is prevented and safety is achieved. After organization closure is accomplished by an instrument, a cocking safety button is enabled to be in a closing state by means of certain operating actions, and then a cocking action can be carried out to achieve anastomosis, and therefore normal proceeding of an operation is guaranteed, and the stitching instrument provided with the cocking safety device is suitable for promotion and usage.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of stiching instrument that is provided with percussion safety device.
Background technology
In surgical operation, medical suturing instrument has become the requisite medical assistance apparatus in the tissue sewing process.Along with development and the research and development of products of medical science, more and more multi-functional staple series products is applied to clinical, and 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 instrument of doctor.The application of medical suturing instrument have in the operation hemorrhage less, operating time is shorter, can reduce error hand-manipulated, avoid infection, postoperative function recovers the plurality of advantages such as fast.
A series products of often using in the medical suturing instrument is Linear type suturing instrument, is mainly used in the stump of suture tissue, sews up mouth neatly and very firm, is not easy to occur to sew up stomatorrhagia.In the prior art, but Linear type suturing instrument generally comprises housing, is fixed in the jaw support in the body, be arranged at rack far end and be used for to implement sew application nail supporting base and nail bin groupware, be arranged in the support and be used for promoting the drive mechanism of suturing nail in nail bin groupware and the nail bin, and be arranged on the jaw support by rotating shaft, and the right firing handle of connection and drive mechanism, drive mechanism comprises that two are used for promoting a pair of assembly clamping plate that nail bin groupware moves along the jaw support to the nail supporting base direction and are arranged between one group of assembly clamping plate and are used for the nail pushing plate of ejector pin suturing nail.
The use of Linear type suturing instrument is roughly as follows: at first, tissue to be sewed up is placed between the nail supporting base and nail bin groupware of separation; Then, hold firing handle, so that nail bin groupware draws close to the nail supporting base direction, can closed gap until arrive, this moment, apparatus was in closure state; Unclamp firing handle, so that firing handle resets, and is connected with nail pushing plate, again hold firing handle, further release suturing nail in the nail bin by promoting nail pushing plate, thereby finish sew application; At last, press SR, assembly clamping plate, nail pushing plate and nail bin return to original state together, withdraw from the human body.
Yet in operation process, existing Linear type suturing instrument can directly be pulled the trigger after finishing tissue closure.Before percussion, there is not obvious operational motion to remind the operator, the medical worker is difficult to grasp the practical situation of operation, the risk that exists mistakenly hit to send out in operation.
This shows, above-mentioned existing a kind of stiching instrument that is provided with percussion safety device obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.How to found a kind ofly after finishing tissue closure, apparatus is in the lock state, thereby the new stiching instrument that is provided with percussion safety device of avoiding mistakenly hit to send out belongs to the current industry utmost point and needs improved target in fact.
The utility model content
The technical problems to be solved in the utility model provides a kind of stiching instrument that is provided with percussion safety device, makes it after finishing tissue closure, and apparatus is in the lock state, and can avoid mistakenly hit to send out, thereby overcomes the deficiency of existing stiching instrument on using.
For solving the problems of the technologies described above, a kind of stiching instrument that is provided with percussion safety device of this utility model, mainly comprise nail pushing plate and a pair of jaw clamping plate, also comprise leaf spring and percussion insurance bearing pin, wherein: jaw clamping plate below is equipped with the chute of above-below direction, nail pushing plate below is provided with projection, and the front end of described projection equates with the displacement of nail pushing plate in the jaw closing course with the distance of chute tailing edge, and is highly corresponding in the middle part of bump bottom ends and the chute; Leaf spring is installed in the chute forward position of one or two jaw clamping plate, and the middle part is to the chute internal projection; The two ends of percussion insurance bearing pin slidably are installed in the chute of two jaw clamping plate.
As a kind of improvement of the present utility model, described nail pushing plate also is provided with grab in the chute corresponding position with the jaw clamping plate, the grab inwall downwards, extend back, the bottom is corresponding with described chute top, opening is corresponding with the chute bottom.
The chute limit of described jaw clamping plate is equipped with fixed block, and described leaf spring is installed on this fixed block.
The diameter of described percussion insurance bearing pin is not more than half of described chute length.
On the described percussion insurance bearing pin percussion insurance base is installed also, this percussion insurance base is between two jaw clamping plate.
After adopting such design, this utility model is not only applicable to Linear stapler, simultaneously also applicable to the stapler with cutting knife, reasonable in design, compact conformation, prevent unexpected percussion, security insurance is after apparatus is finished tissue closure, can be by manually carrying out certain operational motion, the percussion safety button is in closes lock-out state, just can carry out firing action, finish identical, normally carry out thereby guarantee to perform the operation, therefore be 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 a kind of structural representation that is provided with the stiching instrument of percussion safety device of this utility model.
Fig. 2 is the structural representation of leaf spring of the present utility model and fixed block.
Fig. 3 is the structural representation that base is insured in percussion insurance bearing pin of the present utility model and percussion.
Fig. 4 is the structural representation of nail pushing plate of the present utility model.
Fig. 5 is a kind of original state schematic diagram that is provided with the stiching instrument of percussion safety device of this utility model.
Fig. 6 is a kind of percussion view that is provided with the stiching instrument of percussion safety device of this utility model.
The specific embodiment
See also shown in Figure 1ly, this utility model is provided with the stiching instrument of percussion safety device, is to have set up leaf spring 51 and percussion insurance bearing pin 52 on the basis of existing stiching instrument.In order to clearly demonstrate the application's architectural feature, below alleged " front " be in jaw closure and the percussion process, the moving direction of nail pushing plate, " afterwards " is the direction opposite with " front ".
Specifically, this utility model has all been set up the chute of above-below direction below original a pair of jaw clamping plate 21, and below nail pushing plate 31, arrange protruding 312, projection 312 front end equates with the displacement of nail pushing plate 31 in the jaw closing course with the distance of chute tailing edge, and is highly corresponding in the middle part of protruding 312 bottom and the chute.Leaf spring 51 is installed in the chute forward position of one or two jaw clamping plate, and the middle part is to the chute internal projection.The two ends of percussion insurance bearing pin 52 slidably are installed in the chute of two jaw clamping plate 21.
When percussion insurance bearing pin 52 was positioned at upper end, leaf spring 51 surface, set projection 312 offseted on percussion insurance bearing pin 52 and the nail pushing plate, and nail pushing plate 31 is in the state of being locked, and can not move forward to pull the trigger.
When percussion insurance bearing pin 52 slided into the lower end from upper end, leaf spring 51 surface, the percussion insurance was opened, and nail pushing plate 31 can move forward, and pulls the trigger.
Percussion insurance bearing pin 52 is by the elastic force effect of leaf spring 51, can rest on leaf spring 51 middle part projections above or below, i.e. unlatching or the closed condition of insurance.
Further, half that is not more than described chute length with the diameter of percussion insurance bearing pin 52 is advisable.In addition, please cooperate and consult shown in Figure 2ly, also can fixed block 53 be installed on the chute limit of jaw clamping plate 21, leaf spring 51 two ends are fixed on this fixed block 53, can be installed on simultaneously on the jaw clamping plate 21.Please cooperate and consult shown in Figure 3ly, also can percussion insurance bases 54 be installed at percussion insurance bearing pin 52, this percussion insurance base 54 to place percussion insurance bearing pin 52, prevents from throwing off chute because of two side shiftings between two jaw clamping plate 21.
Further, please cooperate and consult shown in Figure 4ly, also can the grab 311 corresponding with the runner position of jaw clamping plate 21 be set at nail pushing plate 31, the inwall of grab 311 is downward, extend back, and the bottom is corresponding with described chute top, and opening is corresponding with the chute bottom.
Please cooperate consult shown in Figure 5, original state, percussion insurance bearing pin 52 is positioned at the upper end of set chute on the jaw clamping plate 21, and is propped up by the projection of leaf spring 51, simultaneously percussion insurance bearing pin is in grab set on the nail pushing plate 311 inside bottom.
In the jaw closing course, nail pushing plate 31 is with respect to forward translation of jaw clamping plate 21, and the nail bin groupware that promotes to be fixed in the propulsion assembly front end is close gradually to the nail supporting base assembly, but until arrive the lock time, finishes closure.At this moment, because nail pushing plate 31 moves forward with respect to percussion insurance bearing pin 52, on the nail pushing plate set grab 311 and percussion insurance bearing pin 52 away from, and the projection 312 of nail pushing plate 31 moves to the rear end of percussion insurance bearing pin 52, and and its offset, percussion insurance bearing pin 52 can stop nail pushing plate 31 further to move forward.
Please cooperate and consult shown in Figure 6ly, at this moment, promote nail pushing plate 31 and begin percussion if hold trigger action, because projection 312 tops of nail pushing plate can't move ahead to percussion insurance bearing pin 52.Therefore, percussion insurance bearing pin 52 manually need to be moved to the projection below of leaf spring 51 downwards, projection 312 and percussion insurance bearing pin 52 set on the nail pushing plate are separated, and nail pushing plate is continued to move ahead.
After percussion is finished, the SR of pressing the apparatus afterbody resets to apparatus, in the reseting procedure, nail pushing plate 31 return back to initial position, and grab 311 opening parts of nail pushing plate contact with percussion insurance bearing pin 52 at first, and in the process of nail pushing plate 31 rollbacks, under the effect on grab 311 inboard inclined-planes, to pull the trigger insurance bearing pin 52 and upwards boost, return back to the projection top of leaf spring 51, and finish and reset.
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 (5)
1. a stiching instrument that is provided with percussion safety device mainly comprises nail pushing plate and a pair of jaw clamping plate, characterized by further comprising leaf spring and percussion insurance bearing pin, wherein:
Jaw clamping plate belows is equipped with the chute of above-below direction, and the nail pushing plate below is provided with projection, and the front end of described projection equates with the displacement of nail pushing plate in the jaw closing course with the distance of chute tailing edge, and is highly corresponding in the middle part of bump bottom ends and the chute;
Leaf spring is installed in the chute forward position of one or two jaw clamping plate, and the middle part is to the chute internal projection;
The two ends of percussion insurance bearing pin slidably are installed in the chute of two jaw clamping plate.
2. a kind of stiching instrument that is provided with percussion safety device according to claim 1, it is characterized in that described nail pushing plate also is provided with grab in the chute corresponding position with the jaw clamping plate, the grab inwall downwards, extend back, the bottom is corresponding with described chute top, opening is corresponding with the chute bottom.
3. a kind of stiching instrument that is provided with percussion safety device according to claim 1 is characterized in that the chute limit of described jaw clamping plate is equipped with fixed block, and described leaf spring is installed on this fixed block.
4. a kind of stiching instrument that is provided with percussion safety device according to claim 1, the diameter that it is characterized in that described percussion insurance bearing pin is not more than half of described chute length.
5. a kind of stiching instrument that is provided with percussion safety device according to claim 1 is characterized in that on the described percussion insurance bearing pin percussion insurance base being installed also, and this percussion insurance base is between two jaw clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550177 CN202892026U (en) | 2012-10-24 | 2012-10-24 | Stitching instrument provided with cocking safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550177 CN202892026U (en) | 2012-10-24 | 2012-10-24 | Stitching instrument provided with cocking safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202892026U true CN202892026U (en) | 2013-04-24 |
Family
ID=48112754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550177 Expired - Lifetime CN202892026U (en) | 2012-10-24 | 2012-10-24 | Stitching instrument provided with cocking safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202892026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104586452A (en) * | 2015-02-15 | 2015-05-06 | 王超航 | Clamping insurance device for surgical suture device |
| CN105266865A (en) * | 2014-07-25 | 2016-01-27 | 北京派尔特医疗科技股份有限公司 | Stitching device with percussion locking unit |
-
2012
- 2012-10-24 CN CN 201220550177 patent/CN202892026U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266865A (en) * | 2014-07-25 | 2016-01-27 | 北京派尔特医疗科技股份有限公司 | Stitching device with percussion locking unit |
| CN105266865B (en) * | 2014-07-25 | 2019-04-02 | 北京派尔特医疗科技股份有限公司 | A kind of stitching unstrument with percussion locking device |
| CN104586452A (en) * | 2015-02-15 | 2015-05-06 | 王超航 | Clamping insurance device for surgical suture device |
| CN104586452B (en) * | 2015-02-15 | 2017-01-11 | 江苏孜航精密五金有限公司 | Clamping insurance device for surgical suture device |
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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 |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |