CN202619751U - Suturing instrument with trigger locking structure - Google Patents
Suturing instrument with trigger locking structure Download PDFInfo
- Publication number
- CN202619751U CN202619751U CN 201220318755 CN201220318755U CN202619751U CN 202619751 U CN202619751 U CN 202619751U CN 201220318755 CN201220318755 CN 201220318755 CN 201220318755 U CN201220318755 U CN 201220318755U CN 202619751 U CN202619751 U CN 202619751U
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- China
- Prior art keywords
- slide block
- connecting rod
- locking
- trigger
- locking slide
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- Expired - Lifetime
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Abstract
The utility model relates to a suturing instrument with a trigger locking structure. The suturing instrument with the trigger locking structure comprises a trigger connecting rod, a trigger handle, a reset button and a support plate, wherein the tail end of the trigger connecting rod can be rotatably connected with a locking sliding block, and the lower end of the locking sliding block can be connected with an L-shaped locking piece in a sliding manner; a retractor is arranged on the upper end of the trigger handle; a retractor slot is arranged on the lower surface, which corresponds to the retractor, of the horizontal section of the L-shaped locking piece; the horizontal section can be connected with the locking sliding block in a sliding manner; a spring is installed between a vertical section and the middle of the locking sliding block; a wedged surface is formed at the position, which corresponds to the upper end of the L-shaped locking piece, of the reset button; and a projection is arranged at the position, which corresponds to the bending part of the trigger connecting rod, of the reset button. According to the suturing instrument, the rotation motion of the trigger handle is utilized to drive a locking mechanism to close and lock an instrument, and meanwhile, the wedged surface and the projection of the reset button are utilized to completely reset the whole instrument; and moreover, the locking mechanism is simple in whole structure, occupies a small space, is easy to assemble, has good stability, and is safe and reliable to operate.
Description
Technical field
This utility model relates to a kind of surgical operation and uses medical apparatus and instruments, particularly relates to a kind of stiching instrument of pulling the trigger locking mechanism that has.
Background technology
In medical science applied surgical operation, since the first seam nail series products of the sixties in 20th century invention, medical suturing instrument has become and has aided in a kind of requisite medical apparatus and instruments in the edge of a knife sewing process.Along with the development and the research and development of products of medical science, more and more multi-functional seam nail series products is applied to clinical, and the scope of application has related to every field such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, department of obstetrics and gynecology, becomes one of doctor's necessary tool.The application of seam nail series products has multiple advantage for the patient: in the operation hemorrhage less, operating time is short, reduced manual error, avoid infection, postoperative function recovers fast etc.For diffusion and the cross infection that prevents pathogenic bacteria, mostly this type apparatus generally is disposable use.This shows that high-quality suture instruments has become and guaranteed one of key that surgical operation is successful.
Wherein, the straight line stiching instrument is the important apparatus that is applied in a plurality of fields such as human body alimentary canal operation, pulmonary surgery, and it is short or sight line is local clearly inadequately to be specially adapted to operated interface portion bit comparison.Mostly the firing lock of existing in the market straight line stiching instrument is to utilize the characteristics of percussion linkage; Completion is to the closure of apparatus; Utilize left slide plate to realize locking to firing handle; Drive the percussion connecting rod through rotatablely moving of firing handle again and move upward, realize the horizontal movement of other device.Wherein, left and right anti-skid thiner, surface texture is complicated, the power that applies is bigger, and takies big running space in apparatus inside, in addition, the apparatus part processing precision is had relatively high expectations, the assembling difficulty is bigger, to regulate workload big for assembly during assembling.
This shows that the retaining mechanism of above-mentioned existing straight line stiching instrument obviously still has inconvenience and defective, and demands urgently further improving in structure and use.How to found a kind of simple in structurely, it is little to take up space, and is prone to assembling, the reliable new structure of handling safety have a stiching instrument of pull the trigger locking mechanism, real current this area utmost point that belongs to need improved target.
The utility model content
The technical problem that this utility model will solve provides a kind of stiching instrument of pulling the trigger locking mechanism that has, and makes it simple in structure, and it is little to take up space, and is prone to assembling, and handling safety is reliable, thereby overcomes the existing deficiency that has the stiching instrument of pulling the trigger locking mechanism.
For solving the problems of the technologies described above; A kind of stiching instrument of pulling the trigger locking mechanism that has of this utility model; Comprise percussion connecting rod, firing handle, SR and supporting plate, the described percussion connecting rod tail end locking slide block that has been rotatably connected, locking slide block lower end slidably is connected with L shaped stay; Described firing handle upper end is provided with drag hook; The horizontal segment lower surface of described L shaped stay is provided with the hook groove corresponding with drag hook, and horizontal segment slidably is connected with the locking slide block, vertically between section and the locking slide block middle part extension spring is installed; SR is being provided with lozenges with corresponding position, L shaped stay upper end, and is being provided with convexity with percussion connecting rod bending corresponding position.
A kind of improvement as this utility model; Described locking slide block lower end is provided with two above pin-and-holes; In each pin-and-hole pin is installed, the horizontal segment of L shaped stay is provided with the track groove, and the locking slide block slidably is connected with L shaped stay under the cooperation of pin and track groove.
Described percussion connecting rod tail end is an arc, and locking slide block correspondence is provided with arc chute, between percussion connecting rod tail end and the arc chute sidewall turning cylinder is installed,
Described percussion connecting rod tail end is provided with the end face of locking the slide block arc chute and cooperates, and limits the upper and lower Ka Tai that it relatively rotates scope.
Between the upper surface of described top fastening station and locking slide block arc chute reduction torsion spring is installed.
Below, described SR rear end is rotatably connected with the tail end of percussion connecting rod.
After adopting such structure; This utility model utilizes the spinning movement of firing handle to drive to be fixed in the retaining mechanism on the percussion connecting rod to realize closed and locked to apparatus; Utilize the lozenges of SR can realize resetting fully of whole apparatus simultaneously with protruding; And the retaining mechanism overall structure is simple, it is little to take up space, be prone to assembling, good stability, handling safety are reliable, is more suitable for extensively promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of this utility model technical scheme, in order more to know the technological means of understanding this utility model, below in conjunction with the accompanying drawing and the specific embodiment this utility model is done further to specify.
Fig. 1 is a kind of structural representation that has the stiching instrument of pulling the trigger locking mechanism of this utility model.
Fig. 2 is the SR structural representation of this utility model.
Fig. 3 is the locking slide block structure sketch map of this utility model.
Fig. 4 is the L shaped stay structural representation of this utility model.
Fig. 5 is the L shaped stay horizontal segment lower surface configuration sketch map of this utility model.
Fig. 6 is the percussion bar linkage structure sketch map of this utility model.
Fig. 7 is the closure state sketch map of this utility model.
Fig. 8 is the closed back firing handle dispose procedure sketch map of this utility model.
Fig. 9 is the closed back firing handle reset mode sketch map of this utility model.
Figure 10 is the percussion view of this utility model.
Figure 11 is the view that the SR of this utility model presses down L shaped locking plate.
Figure 12 is the L shaped locking plate of this utility model sketch map that resets.
The specific embodiment
See also shown in Fig. 1-6, a kind of stiching instrument of pulling the trigger locking mechanism that has of this utility model is mainly made improvement to percussion connecting rod 3, firing handle 5 and the SR 4 of existing stiching instrument.
Wherein, the tail end of percussion connecting rod 3 has been rotatably connected and has locked slide block 1, and the lower end of locking slide block 1 slidably is connected with L shaped stay 2.Firing handle 5 is rotating to be installed on the supporting plate 6 of stiching instrument, and is provided with drag hook 51 in the top.The below, rear end of SR 4 is rotatably connected with the tail end of percussion connecting rod 3, and is provided with lozenges 41 in the corresponding position, upper end with L shaped stay 2, is being provided with protruding 42 with percussion connecting rod 3 bending corresponding positions.
The horizontal segment lower surface of L shaped stay 2 is provided with the hook groove 23 corresponding with drag hook 51; The step 25 in hook groove 23 forward positions can block drag hook 51; The horizontal segment of L shaped stay 2 slidably is connected with locking slide block 1; And vertically on the section extension spring installing hole 22 being set, the middle part of locking slide block 1 also is provided with extension spring installing hole 15, between L shaped stay 2 and locking slide block 1, extension spring is installed through extension spring installing hole 22,15.
Further specifically; Can two above pin-and-holes 14 be set in the lower end of locking slide block 1; In each pin-and-hole 14 pin is installed, the horizontal segment of L shaped stay 2 is provided with track groove 21, and locking slide block 1 slidably is connected with L shaped stay 2 under the cooperation of pin and track groove 21.
When locking slide block 1 and 2 cooperations of L shaped stay were installed, the pin-and-hole 14 of locking slide block 1 was located with track groove 21 cooperations on the L shaped stay 2, pin is installed in pin-and-hole 14 is then fixed, and at this moment, the front end of pin and track groove 21 offsets.Under external force, L shaped stay 2 can be with respect to locking slide block 1 along track groove 21 to front slide, and when cancelling external force, under the extension spring effect, reset.
The tail end of percussion connecting rod 3 is preferably arcuate structure 31, and on arcuate structure 31, offers rotational axis hole 34.Locking slide block 1 correspondence is provided with arc chute 11; One sidewall of arc chute 11 is a circular configuration 12; And on circular configuration 12, offer rotational axis hole 121; Another sidewall of arc chute 11 is one section arc structure 13, and percussion connecting rod 3 is connected through the turning cylinder that is installed in the rotational axis hole 34,121 with locking slide block 1
In addition, also can cooperate with the end face of locking slide block arc chute 11, limit the upper and lower card platform 32,33 that it relatively rotates scope in the tail end setting of percussion connecting rod 3,, and between the upper surface of top fastening station 32 and locking slide block arc chute 11, reduction torsion spring is installed.
During installation; The low fastening station 33 of percussion connecting rod 3 offsets with arc chute 11 lower surfaces of locking slide block 1; Top fastening station 32 has certain distance with the upper surface of arc chute 11, and under external force, locking slide block 1 can rotate counterclockwise certain angle with respect to percussion connecting rod 3; And when cancelling external force, under the reduction torsion spring effect, reset.
Please cooperate and consult shown in Figure 7ly, during operation, at first hold firing handle 5 and carry out closed action; In this process; The drag hook 5 of firing handle 5 does not contact L shaped stay 2, and L shaped stay 2 does not stress with the locking slide block, together rotates after arriving make position with percussion connecting rod 3 to stop.
Please cooperate consult shown in Figure 8; Unclamp firing handle 5; Get back in the process of initial position in firing handle 5, drag hook 51 contacts with the horizontal segment of L shaped stay 2, and to its produce downwards, backward pressure; L shaped stay 2 drives locking slide block 1 and rotates counterclockwise with respect to percussion connecting rod 3, and reduction torsion spring is compressed.
Please cooperate and consult shown in Figure 9ly, when firing handle 5 was got back to initial position, locking slide block 1 and L shaped stay 2 were got back to initial position being compressed under reduction torsion spring and the extension spring effect.At this moment, the drag hook 51 on the firing handle 5 is got back to the below of L shaped stay 2 from the top of L shaped stay 2.
Please cooperate and consult shown in Figure 10ly, hold firing handle 5 once more and carry out firing action, firing handle 5 contacts with L shaped stay 2; Drag hook 51 probes in the hook groove 23 of L shaped stay 2; L shaped stay 2 travels forward under the pulling force of drag hook 51, and firing handle 5 is by locked.
Please cooperate consult Figure 11, shown in 12; When apparatus resets; Press SR 4; The plane, top 24 that the lozenges 41 of SR 4 promotes L shaped stay 2 makes L shaped stay 2 move forward along track groove 21 with respect to locking slide block 1, and the drag hook 51 on the firing handle 5 breaks away from L shaped stay 2 hook grooves 23 and is able to reset.
Continue to push SR 4, the front end of SR 4 protruding 42 offsets with percussion connecting rod 3, and percussion connecting rod 3 is resetted, and apparatus is got back to original state.
The above; It only is the preferred embodiment of this 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 this utility model.
Claims (6)
1. one kind has the stiching instrument of pulling the trigger locking mechanism, mainly comprises percussion connecting rod, firing handle and SR, it is characterized in that:
The described percussion connecting rod tail end locking slide block that has been rotatably connected, locking slide block lower end slidably is connected with L shaped stay;
Described firing handle upper end is provided with drag hook;
The horizontal segment lower surface of described L shaped stay is provided with the hook groove corresponding with drag hook, and horizontal segment slidably is connected with the locking slide block, vertically between section and the locking slide block middle part extension spring is installed;
SR is being provided with lozenges with corresponding position, L shaped stay upper end, and is being provided with convexity with percussion connecting rod bending corresponding position.
2. a kind of stiching instrument of pulling the trigger locking mechanism that has according to claim 1; It is characterized in that described locking slide block lower end is provided with two above pin-and-holes; In each pin-and-hole pin is installed; The horizontal segment of L shaped stay is provided with the track groove, and the locking slide block slidably is connected with L shaped stay under the cooperation of pin and track groove.
3. a kind of stiching instrument of pulling the trigger locking mechanism that has according to claim 1 is characterized in that described percussion connecting rod tail end is an arc, and locking slide block correspondence is provided with arc chute, between percussion connecting rod tail end and the arc chute sidewall turning cylinder is installed,
4. a kind of stiching instrument of pulling the trigger locking mechanism that has according to claim 3 is characterized in that described percussion connecting rod tail end is provided with the end face of locking the slide block arc chute to cooperate, and limits the upper and lower Ka Tai that it relatively rotates scope.
5. a kind of stiching instrument of pulling the trigger locking mechanism that has according to claim 4 is characterized in that between the upper surface of described top fastening station and locking slide block arc chute reduction torsion spring being installed.
6. according to each described a kind of stiching instrument of pulling the trigger locking mechanism that has among the claim 1-5, it is characterized in that the below, described SR rear end and the tail end of percussion connecting rod are rotatably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318755 CN202619751U (en) | 2012-07-02 | 2012-07-02 | Suturing instrument with trigger locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318755 CN202619751U (en) | 2012-07-02 | 2012-07-02 | Suturing instrument with trigger locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202619751U true CN202619751U (en) | 2012-12-26 |
Family
ID=47373003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318755 Expired - Lifetime CN202619751U (en) | 2012-07-02 | 2012-07-02 | Suturing instrument with trigger locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202619751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054618A (en) * | 2013-01-25 | 2013-04-24 | 北京中法派尔特医疗设备有限公司 | Surgical suturing instrument with trigger locking device |
| CN103156665A (en) * | 2013-03-27 | 2013-06-19 | 北京中法派尔特医疗设备有限公司 | Surgery stitching appliance with percussion dead lock device |
-
2012
- 2012-07-02 CN CN 201220318755 patent/CN202619751U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054618A (en) * | 2013-01-25 | 2013-04-24 | 北京中法派尔特医疗设备有限公司 | Surgical suturing instrument with trigger locking device |
| CN103054618B (en) * | 2013-01-25 | 2015-09-16 | 北京中法派尔特医疗设备有限公司 | A kind of surgery suturing appliance with percussion locking system |
| CN103156665A (en) * | 2013-03-27 | 2013-06-19 | 北京中法派尔特医疗设备有限公司 | Surgery stitching appliance with percussion dead lock 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |