CN202950703U - Suture instrument with locking mechanism of percussion handle - Google Patents
Suture instrument with locking mechanism of percussion handle Download PDFInfo
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- CN202950703U CN202950703U CN 201220647124 CN201220647124U CN202950703U CN 202950703 U CN202950703 U CN 202950703U CN 201220647124 CN201220647124 CN 201220647124 CN 201220647124 U CN201220647124 U CN 201220647124U CN 202950703 U CN202950703 U CN 202950703U
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Abstract
The utility model provides a suture instrument. The suture instrument comprises a locking mechanism of a percussion handle and is characterized in that a first bulge is arranged on a percussion lock plate of the locking mechanism and divides the part which is not covered by the first bulge on the percussion lock plate into a first part and a second part; and the first part and the second part form an unobstructed channel. In the suture instrument, the structure of the locking mechanism of the percussion handle is changed, in particular, the structure of the percussion lock plate is changed, the bulge on the percussion lock plate no longer blocks a locking part from sliding, and the unobstructed channel structure on the percussion lock plate enables that the locking part can slide out of the percussion lock plate smoothly, thus eliminating the risk that the locking part in the prior art can not slide out of the percussion lock plate.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of stiching instrument with retaining mechanism of firing handle.
Background technology
In medical science applied surgical operation, since the first staple series products of the sixties in 20th century, the medical linear stiching instrument has become the requisite a kind of medical apparatus and instruments aided in edge of a knife sewing process.Various surgeries just are being widely used in sewing up human body alimentary canal tissue, respiratory tissues and vascular tissue with Linear stapler in surgical operation, can reduce operating time, improve the operation quality.They are normally used for the ends such as esophagus in digestive tract, Stomach duodenum, small intestinal, coton and rectal end, distolateral and side-to-side neurorrhaphy operation or hemorrhoid excision stomach function regulating pylorus and the operation that forms passage or close incisions such as make mouthful, also be used to the suture operation of the suture operation such as lung and trachea and vascular tissue in respiratory tract, be specially adapted to appear the suture operation with the Organ and tissue of operating difficulties.
During applicable line stiching instrument suture tissue, at first, stiching instrument is when original state, and nail supporting base separates with nail bin groupware, and tissue to be sewed up is placed between nail bin groupware and nail supporting base; Then, hold firing handle, make nail bin groupware draw close to the nail supporting base direction, and release the staple in nail bin groupware by the effect of propulsion plant, thereby complete sew application; Finally, decontrol firing handle, propulsion plant returns to original state together with nail bin.
The retaining mechanism of the firing handle of existing stiching instrument is had relatively high expectations to part processing precision, as shown in Figure 1, percussion locking plate 9 of the prior art has individual " J " shape projection 91, " J " shape projection 91 will be pulled the trigger locking plate 9 and be divided into chute 92 and chute 93, chute 92 does not communicate with the bottom 94 of percussion locking plate 9, after completing closure, the lock post of firing handle is crossed along chute 92 " J " lower semisection 911 of shape projection 91 and the percussion locking plate that slips away, when percussion, complete percussion and locking along chute 93, but exist sometimes the lock post of firing handle to cross " J " shape projection 91 lower semisection 911 and be stuck in the problem of 92 li of chutes, but " J " lower semisection 911 of shape projection 91 can not remove, in case when percussion firing handle lock post along chute 92, go back again, complete percussion and locking and can't enter smoothly chute 93.
Therefore there is the defect on the percussion lock plate structure in prior art.
The utility model content
This utility model provides a kind of stiching instrument, improves the retaining mechanism of its firing handle, at least to solve in prior art because the percussion locking plate exists structural defect to cause the problem that can't pull the trigger smoothly and lock after closure.
According to an aspect of the present utility model, a kind of stiching instrument is provided, it comprises: the percussion locking plate, be provided with the first projection on the percussion locking plate, above-mentioned the first projection is divided into first and second portion by the part do not covered by above-mentioned the first projection on above-mentioned percussion locking plate, and above-mentioned first and above-mentioned the first projection form unobstructed passage; Firing handle, above-mentioned firing handle discharges the above-mentioned unobstructed passage of tailing edge in the end of stiching instrument closing course and breaks away from above-mentioned percussion locking plate, the passage formed along above-mentioned second portion and above-mentioned the first projection in the percussion process of above-mentioned firing handle after closure slips into above-mentioned percussion locking plate, and with the clamping of above-mentioned percussion locking plate; Supporting plate, above-mentioned percussion locking plate and above-mentioned firing handle are rotatably connected on above-mentioned supporting plate; The percussion connecting rod, the percussion connecting rod is rotationally connected with above-mentioned supporting plate.
Preferably, above-mentioned first comprises with the unobstructed passage that above-mentioned the first projection forms: an end of above-mentioned first is connected with above-mentioned the first projection, the above-mentioned first other end and above-mentioned first convexes to form opening, make the other end of above-mentioned first communicate with the bottom of above-mentioned percussion locking plate, above-mentioned opening breaks away from above-mentioned percussion locking plate unobstructedly after discharging for making above-mentioned firing handle in the end of stiching instrument closing course.
Preferably, on above-mentioned percussion locking plate, also be provided with limiting component, for limiting the initial position of above-mentioned percussion locking plate; Above-mentioned percussion connecting rod comprises connecting rod, is provided with the second projection on the lower surface of above-mentioned connecting rod, and an end of above-mentioned the second projection forms draw-in groove, for blocking above-mentioned limiting component, to limit the initial position of above-mentioned percussion locking plate.
Preferably, on above-mentioned firing handle, be provided with locking component, for above-mentioned firing handle being slipped into and breaking away from above-mentioned percussion locking plate, and with the clamping of above-mentioned percussion locking plate.
Preferably, above-mentioned limiting component is limited post, and above-mentioned locking component is lock post.
Preferably, the smooth degree of above-mentioned the second projection and radian meet predetermined condition, and wherein, above-mentioned predetermined condition comprises: make above-mentioned limiting component slip over from the surface of above-mentioned the second projection.
Preferably, above-mentioned percussion locking plate also is connected on above-mentioned supporting plate by the extension spring of percussion locking plate.
Preferably, above-mentioned stiching instrument also comprises: resetting means, comprise SR, and above-mentioned SR promotes above-mentioned percussion connecting rod and resets; Above-mentioned resetting means also comprises the slide block that resets, and on the above-mentioned slide block that resets, reseting pressuring spring is installed, and the above-mentioned slide block that resets is slided and be arranged in the inner chamber of above-mentioned SR; Also be provided with reset components on above-mentioned percussion locking plate, the above-mentioned slide block that resets makes above-mentioned firing handle break away from above-mentioned percussion locking plate to reset by pressing above-mentioned reset components; Promoting above-mentioned percussion locking plate in the process that above-mentioned connecting rod resets at above-mentioned percussion connecting rod resets.
Preferably, the upper surface of above-mentioned connecting rod is provided with the 3rd projection, and above-mentioned the 3rd projection promotes the above-mentioned slide block that resets makes the above-mentioned slide block that resets make above-mentioned firing handle break away from above-mentioned percussion locking plate to reset by pressing above-mentioned reset components; When above-mentioned the 3rd projection is separated with the above-mentioned slide block that resets, above-mentioned reset slide block under the thrust of above-mentioned reseting pressuring spring away from above-mentioned reset components, make above-mentioned percussion locking plate be promoted to reset by above-mentioned connecting rod.
Preferably, also be provided with vertical slot in above-mentioned SR, an end of above-mentioned reseting pressuring spring is stuck in the inner chamber of above-mentioned SR, prevent that above-mentioned reseting pressuring spring from deviating from.
In this utility model, changed the structure of the retaining mechanism of firing handle, particularly changed the structure of percussion locking plate, projection on the percussion locking plate no longer stops the landing of locking component, unobstructed channel design on the percussion locking plate makes locking component can skid off smoothly the percussion locking plate, no longer has the risk that in prior art, locking component can not skid off from the percussion locking plate.The structural design of connecting rod and percussion locking plate has also guaranteed in percussion and locking process, locking component no longer needs just can complete percussion and locking by protruding slide guide as in prior art, but guarantees that by the rotation of percussion locking plate self locking component enters the percussion locking plate and completes percussion and locking.In addition, make the safety and reliability that resets of this utility model retaining mechanism in resetting means with the slide block structure that resets of reseting pressuring spring.Utilize the spinning movement of trigger to drive the retaining mechanism be fixed on connecting rod and realize closed and locked to apparatus, press latch segment by SR and connecting rod can be realized resetting fully of whole apparatus simultaneously, this utility model is simple in structure, little, easy assembling takes up space, slide more smooth and easy, can carry out safe and reliable operation simultaneously, after closure, also can realize resetting being readjusted.This utility model stiching instrument is also improved the slide block that resets that has increased resetting means, on the slide block that resets, reseting pressuring spring has been installed, the slip that makes projection on connecting rod control the slide block that resets guarantee the to reset separation of trigger and two actions of restoring link, and guaranteed the time difference of two actions, avoided the problem of irreducible risk, also preferably in the inboard of SR, increased vertical slot simultaneously, the other end of reseting pressuring spring is stuck in the inner chamber of SR, prevent that reseting pressuring spring from deviating from, a kind of safe and reliable resetting means is provided.
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail, and this utility model includes but not limited to the following drawings and embodiment.
The accompanying drawing explanation
Above-mentioned is only the general introduction of technical solutions of the utility model, and in order to better understand this utility model, below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.
Fig. 1 is the schematic diagram of percussion locking plate of retaining mechanism of the firing handle of the stiching instrument that provides of prior art.
Fig. 2 is the part explosive view of the stiching instrument of a kind of preferred embodiment of providing of this utility model.
Fig. 3 is the schematic diagram of the side stand plate in the stiching instrument of a kind of preferred embodiment of the present utility model.
Fig. 4 is the schematic diagram at the percussion locking plate back side in the stiching instrument of a kind of preferred embodiment of the present utility model.
Fig. 5 is the schematic diagram in the percussion locking plate front in the stiching instrument of a kind of preferred embodiment of the present utility model.
Fig. 6 is the schematic diagram of the connecting rod in the stiching instrument of a kind of preferred embodiment of the present utility model.
Fig. 7 is the schematic diagram of the firing handle in the stiching instrument of a kind of preferred embodiment of the present utility model.
Fig. 8 is the schematic diagram of reset slide block and reseting pressuring spring thereof in the stiching instrument of a kind of preferred embodiment of the present utility model.
Fig. 9 is the schematic diagram of the slide block that resets in the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 10 is the schematic diagram of the SR in the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 11 is the schematic diagram of the SR in the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 12 is the schematic diagram of the SR in the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 13 is the schematic diagram of original state of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 14 is the partial schematic diagram of duty of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 15 is the partial schematic diagram of duty of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 16 is the partial schematic diagram of closure state of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 17 is the partial schematic diagram of duty of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 18 is the partial schematic diagram of duty of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 19 is the partial schematic diagram of percussion state of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 20 is the partial schematic diagram of reseting procedure of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 21 is the partial schematic diagram of reseting procedure of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 22 is the partial schematic diagram of reseting procedure of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 23 is the partial schematic diagram of reseting procedure of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 24 is the partial schematic diagram of reseting procedure of the stiching instrument of a kind of preferred embodiment of the present utility model.
Figure 25 is the partial schematic diagram of the completion status that resets of the stiching instrument of a kind of preferred embodiment of the present utility model.
The specific embodiment
The present embodiment provides a kind of preferred stiching instrument, and as shown in Figure 2, it comprises: the percussion locking plate 1 of percussion retaining mechanism, percussion connecting rod 2, firing handle 3, resetting means 4 and supporting plate 5.As shown in Figure 2, above-mentioned supporting plate 5 is symmetrical structure, comprise supporting plate 51 and supporting plate 52, above-mentioned percussion locking plate 1, percussion connecting rod 2, firing handle 3 and resetting means 4 are arranged on above-mentioned supporting plate 51, and the further fixing above-mentioned percussion connecting rod 2 of above-mentioned supporting plate 52, firing handle 3 and resetting means 4 are mounted to stiching instrument with cooperation.
As shown in Figure 3, the upper edge of above-mentioned supporting plate 51 is provided with insertable the first hole 511, the supporting plate bottom righthand side also is provided with groove 512, the near-end of groove 512 is spring mounting hole 513, for above-mentioned percussion locking plate 1 is installed, as shown in Figures 2 and 3, also be provided with the second hole 514 on above-mentioned supporting plate 51, for being rotationally connected above-mentioned firing handle 3, also be provided with the 3rd hole 515 on above-mentioned supporting plate 51, above-mentioned percussion connecting rod 2 and resetting means 4 rotate on above-mentioned the 3rd hole 515 that is installed on above-mentioned supporting plate 51 by bearing pin.
Preferably, as shown in Figure 4, above-mentioned percussion locking plate 1 upper end is provided with rotating shaft 11, also is provided with hole 12 and limited post 16 that mounting spring is used.Above-mentioned percussion locking plate 1 is rotatably installed in the hole 511 on edge on above-mentioned supporting plate 51 by above-mentioned rotating shaft 11, as shown in Figure 2, percussion locking plate extension spring 19 1 ends are arranged on above-mentioned spring mounting hole 513, the other end is arranged on the hole 12 that the above-mentioned mounting spring of percussion on locking plate 1 use through above-mentioned groove 512, and above-mentioned percussion locking plate 1 is fixed on above-mentioned supporting plate 51.
Preferably, as shown in Figure 5, be provided with the first projection 17 on above-mentioned percussion locking plate 1, the part do not covered by above-mentioned the first projection 17 on above-mentioned percussion locking plate 1 is divided into to first 14 and second portion 13, above-mentioned first 14 forms unobstructed passage with above-mentioned the first projection 17, an end 141 that is above-mentioned first 14 is connected with above-mentioned the first projection 17, the other end 142 of above-mentioned first 14 forms opening with above-mentioned the first projection 17, make the other end 142 of above-mentioned first 14 communicate with the bottom 18 of above-mentioned percussion locking plate 1, above-mentioned opening is used for making above-mentioned firing handle 3 to break away from above-mentioned percussion locking plate 1 after the closed end of stiching instrument unobstructedly, also be provided with reset post 15 on above-mentioned percussion locking plate 1, for contacting with above-mentioned resetting means 4, above-mentioned firing handle 3 resets.
Preferably, as shown in Figure 2, above-mentioned percussion connecting rod 2 comprises connecting rod 21, and as shown in Figure 6, above-mentioned connecting rod 21 upper surfaces are provided with the 3rd projection 211, and lower surface is provided with the second projection 212, for the percussion locking plate 1 that resets; One end of above-mentioned the second projection 212 forms draw-in groove 213, for blocking above-mentioned limited post 16, to limit the initial position of above-mentioned percussion locking plate 1.Also be provided with the 4th hole 214 on above-mentioned connecting rod 21, be rotatably installed on above-mentioned the 3rd hole 515 of above-mentioned supporting plate 51.
Preferably, as shown in Figure 7, above-mentioned firing handle 3 is provided with the installing hole 35 that firing handle 3 is installed, and by bearing pin, is rotatably installed in the second hole 514 of supporting plate 51; Also be provided with drag hook 31 on above-mentioned firing handle 3, as shown in Figure 2, above-mentioned drag hook 31 connects an end of firing handle extension spring 34, the other end of firing handle extension spring 34 is fixed on handle 6, the near-end of drag hook is provided with lock post 32, for above-mentioned firing handle 3 being slipped into and breaks away from above-mentioned percussion locking plate 1, and with above-mentioned percussion locking plate 1 clamping.
Preferably, as shown in Figure 2, above-mentioned resetting means 4 comprises SR 41 and is arranged in SR 41 inner chambers and the slide block 42 that resets of relative sliding, and reseting pressuring spring 43.As shown in Figure 8, the above-mentioned slide block 42 that resets is provided with spring fitting axle 421, one end of above-mentioned reseting pressuring spring 43 is arranged on above-mentioned spring fitting axle 421, the other end props up the inside of above-mentioned SR 41, the above-mentioned slide block 42 that resets is slided in above-mentioned SR 41 inner chambers, and as shown in Figure 9, a side of the above-mentioned slide block 42 that resets is provided with sliver 423, opposite side also is provided with identical sliver, is symmetrical structure.As shown in figure 10, be provided with gathering sill 412 in the inner chamber of above-mentioned SR 41, the above-mentioned slide block 42 that resets matches by set sliver 423 and the set gathering sill 412 of SR 41 inner chambers, be installed on slidably in above-mentioned SR 41 bottom inner chambers, by the reseting pressuring spring 43 be arranged on above-mentioned spring fitting axle 421, moved and reset.As shown in Figure 9, in the above-mentioned slide block 42 that resets, also be provided with groove 422, slide for making above-mentioned the 3rd projection 211 embed and promote the above-mentioned slide block 42 that resets.As shown in figure 11, above-mentioned SR 41 also comprises the 4th projection 414, and above-mentioned the 4th projection 414 resets for promoting above-mentioned percussion connecting rod 2.As shown in Fig. 2 and Figure 11, the 5th hole 411 that above-mentioned SR 41 is provided with, for being rotatably installed in above-mentioned the 3rd hole 515 of above-mentioned supporting plate 51.
Preferably, as shown in figure 12, also be provided preferably with vertical slot 413 in above-mentioned SR 41, be stuck in the inner chamber of above-mentioned SR 41 for the other end that above-mentioned reseting pressuring spring 43 is not arranged on above-mentioned spring fitting axle 421, prevent that above-mentioned reseting pressuring spring 43 from deviating from.
Annexation between all parts described in the present embodiment is only a kind of example, and this utility model can also adopt the annexation be equal to above-mentioned annexation to be connected.Except the each several part of the above-mentioned percussion retaining mechanism of this utility model, other parts of stiching instrument are connected by the annexation of prior art.
The operation principle of closed and percussion of the stiching instrument of the present embodiment is described below, and certainly, this operation principle also is applicable to other preferred stiching instrument of this utility model.
Be the original state of the present embodiment stiching instrument as shown in figure 13, the state of the present embodiment stiching instrument while also not holding above-mentioned firing handle 3, getting the wherein retaining mechanism of firing handle describes in detail, as shown in figure 14, during original state, above-mentioned percussion locking plate 1 is fixed on initial position by the above-mentioned draw-in groove 213 of the above-mentioned second protruding 212 end faces by the above-mentioned limited post 16 on above-mentioned percussion locking plate 1, to limit the initial position of above-mentioned percussion locking plate 1.
Operation principle when closed: as shown in figure 15, hold above-mentioned firing handle 3, firing handle 3 upwards promotes above-mentioned connecting rod 21 and does and clockwise rotate, omitted part same as the prior art in Figure 15, another part of percussion connecting rod 2 is correspondingly upwards promoted by above-mentioned connecting rod 21, percussion connecting rod pushing component clamping plate, and nail bin groupware is promoted by the assembly clamping plate, push nail supporting base to, complete closure.
Simultaneously, as shown in figure 15, above-mentioned connecting rod 21 is when clockwise rotating, above-mentioned percussion locking plate 1 is subject to the pulling force effect of above-mentioned percussion locking plate extension spring 19, make above-mentioned limited post 16 start to break away from along with the rotation of above-mentioned connecting rod 21 above-mentioned draw-in groove 213 as shown in figure 14 and along the surperficial down sliding of above-mentioned the second projection 212, make the above-mentioned lock post 32 on above-mentioned firing handle 3 just in time enter in above-mentioned first 14, as shown in figure 16, continue to hold above-mentioned firing handle 3, the above-mentioned lock post 32 of above-mentioned firing handle 3 is arranged in the above-mentioned first 14 of above-mentioned percussion locking plate 1, above-mentioned connecting rod 21 is the level of state, can't hold the trigger action assembly, nail bin and nail supporting base complete closed action.Unclamp above-mentioned firing handle 3, as shown in FIG. 16 and 17, above-mentioned lock post 32 is along the unobstructed passage landing of above-mentioned first 14, and above-mentioned firing handle 3 breaks away from above-mentioned percussion locking plate 1 along above-mentioned unobstructed passage, and above-mentioned firing handle 3 is got back to original state.Now, as shown in figure 17, limited post 16 on above-mentioned percussion locking plate 1 separates with above-mentioned the second projection 212, the extension spring 19 of percussion locking plate is in the minimum stretch state, and the axle center of the Kong12De center that on above-mentioned percussion locking plate 1, mounting spring is used and the rotating shaft 11 of above-mentioned percussion locking plate 1 and the spring mounting hole 513De center three on above-mentioned supporting plate 51 are located along the same line.
Operation principle during percussion: as shown in figure 18, again hold above-mentioned firing handle 3, lock post 32 on firing handle 3 slips into the second portion 13 on above-mentioned percussion locking plate 1, above-mentioned lock post 32 is along sliding on a side direction of above-mentioned the first projection 17, make above-mentioned percussion locking plate 1 further do and clockwise rotate, after above-mentioned firing handle 3 is held on earth, unclamp above-mentioned firing handle 3, in the second portion 13 of above-mentioned lock post 32 in above-mentioned percussion locking plate 1, as shown in figure 19, above-mentioned firing handle 3 lockings, firing action completes.
The stiching instrument of the present embodiment of below take is described as example the stiching instrument that this utility model put down in writing and is completed the operation principle resetted after closure and percussion, and certainly, this operation principle also is applicable to other preferred stiching instrument of this utility model.
Closed and pulled the trigger after the operation principle that resets: as shown in figure 20, press above-mentioned SR 41, above-mentioned SR 41 is done and is rotated counterclockwise along bearing pin, when above-mentioned SR 41 is pressed certain angle, above-mentioned the 3rd projection 211 enters in above-mentioned groove 422 as shown in Figure 9, and contact with the groove 422 of the above-mentioned slide block 42 that resets, continue to press above-mentioned SR 41, the groove 422 that above-mentioned the 3rd projection 211 promotes the above-mentioned slide block 42 that resets makes the above-mentioned slide block 42 compressions reseting pressuring spring 43 as shown in Figure 8 that resets, make the end face of the above-mentioned slide block 42 that resets press downwards and state reset post 15, above-mentioned percussion locking plate 1 is done to be rotated counterclockwise, unclamp above-mentioned lock post 32, make above-mentioned firing handle 3 reset to original state, as shown in figure 21.As shown in figure 20, when above-mentioned lock post 32 starts to break away from above-mentioned percussion locking plate 1, on above-mentioned SR 41 as shown in Figure 10 and Figure 11 the 4th projection 414 contacts with above-mentioned connecting rod 21, when further pressing above-mentioned SR 41, above-mentioned the 4th projection 414 promotes above-mentioned connecting rod 21 and starts to rotate counterclockwise and reset, as shown in figure 22, now, above-mentioned the 3rd projection 211 no longer forces in the groove 422 of the above-mentioned slide block 42 that resets, make the above-mentioned slide block 42 that resets separate with above-mentioned reset post 15 under the thrust of above-mentioned reseting pressuring spring 43, as shown in figure 23, above-mentioned percussion locking plate 1 turns to and makes the position of above-mentioned percussion locking plate extension spring 19 in the minimum stretch state under the pulling force effect of above-mentioned percussion locking plate extension spring 19, above-mentioned connecting rod 21 continues to rotate counterclockwise under the effect of nail pushing plate extension spring 7 as shown in Figure 2, above-mentioned limited post 16 starts along with the rotation of the above-mentioned connecting rod 21 surperficial upward sliding along above-mentioned the second projection 212, as shown in figure 24, above-mentioned limited post 16 is close above-mentioned draw-in groove 213 under the rotary action power of above-mentioned connecting rod 21, as shown in figure 25, above-mentioned connecting rod 21 and above-mentioned percussion locking plate 1 reset to initial position.Unclamp above-mentioned SR 41, homing action completes.
Above-mentioned the 3rd projection 211 promotes the above-mentioned above-mentioned reseting pressuring spring 43 of slide block 42 compression that resets, make when above-mentioned connecting rod 21 starts to rotate and reset and above-mentioned the 3rd projection 211 while separating with the above-mentioned slide block 42 that resets, above-mentioned reset slide block 42 under the thrust of above-mentioned reseting pressuring spring 43 away from above-mentioned reset post 15, the slide block 42 that resets in order to avoid above-mentioned blocks above-mentioned reset post 15 and can not make above-mentioned percussion locking plate 1 be promoted to reset by above-mentioned connecting rod 21.
After completing, the closing course of stiching instrument of the present utility model also can carry out reset operation, the operation principle resetted after closure completes: the difference resetted resetted after having pulled the trigger with closure after closure completes only is the former the above-mentioned firing handle 3 that need not reset, other operation principles are identical with the operation principle of above-mentioned percussion locking plate 1 with the above-mentioned connecting rod 21 that resets, and do not repeat them here.
Claims (10)
1. a stiching instrument is characterized in that comprising:
The percussion locking plate, be provided with the first projection (17) on percussion locking plate (1), described the first projection (17) is divided into first (14) and second portion (13) by the part do not covered by described the first projection (17) on described percussion locking plate (1), and described first (14) forms unobstructed passage with described the first projection (17);
Firing handle (3), described firing handle (3) discharges the described unobstructed passage of tailing edge in the end of stiching instrument closing course and breaks away from described percussion locking plate (1), the passage formed along described second portion (13) and described the first projection (17) in the percussion process of described firing handle (3) after closure slips into described percussion locking plate (1), and with described percussion locking plate (1) clamping; Supporting plate (51), described percussion locking plate (1) and described firing handle (3) are rotatably connected on described supporting plate (51);
Percussion connecting rod (2), percussion connecting rod (2) is rotationally connected with described supporting plate (51).
2. stiching instrument as claimed in claim 1 is characterized in that:
Described first (14) comprises with the unobstructed passage that described the first projection (17) forms: an end (141) of described first (14) is connected with described the first projection (17), the other end (142) of described first (14) forms opening with described the first projection (17), make the other end (142) of described first (14) communicate with the bottom (18) of described percussion locking plate (1), described opening breaks away from described percussion locking plate (1) unobstructedly after discharging for making described firing handle (3) in the end of stiching instrument closing course.
3. stiching instrument as claimed in claim 1 is characterized in that comprising:
Also be provided with limiting component (16) on described percussion locking plate (1), for limiting the initial position of described percussion locking plate (1);
Described percussion connecting rod (2) comprises connecting rod (21), be provided with the second projection (212) on the lower surface of described connecting rod (21), one end of described the second projection (212) forms draw-in groove (213), for blocking described limiting component (16), to limit the initial position of described percussion locking plate (1).
4. stiching instrument as claimed in claim 3 is characterized in that comprising:
Be provided with locking component (32) on described firing handle (3), for described firing handle (3) being slipped into and breaking away from described percussion locking plate (1), and with described percussion locking plate (1) clamping.
5. stiching instrument as claimed in claim 4, is characterized in that described limiting component (16) is limited post (16), and described locking component (32) is lock post (32).
6. stiching instrument as claimed in claim 3, the smooth degree and the radian that it is characterized in that described the second projection (212) meet predetermined condition, wherein, described predetermined condition comprises: make described limiting component (16) slip over from the surface of described the second projection (212).
7. stiching instrument as claimed in claim 1 is characterized in that:
Described percussion locking plate (1) also is connected on described supporting plate (51) by percussion locking plate extension spring (19).
8. described stiching instrument as arbitrary as claim 1-7 characterized by further comprising:
Resetting means (4), comprise SR (41), and described SR (41) promotes described percussion connecting rod (2) and resets;
Described resetting means (4) also comprises the slide block that resets (42), and the upper reseting pressuring spring (43) of installing of the described slide block that resets (42), slide the described slide block that resets (42) and be arranged in the inner chamber of described SR (41);
Also be provided with reset components (15) on described percussion locking plate (1), the described slide block that resets (42) makes described firing handle (3) break away from described percussion locking plate (1) to reset by pressing described reset components (15);
Promoting described percussion locking plate (1) in the process that described connecting rod (21) resets at described percussion connecting rod (2) resets.
9. stiching instrument as claimed in claim 8 is characterized in that:
The upper surface of described connecting rod (21) is provided with the 3rd projection (211), and described the 3rd projection (211) promotes the described slide block that resets (42) makes the described slide block that resets (42) make described firing handle (3) break away from described percussion locking plate (1) to reset by pressing described reset components (15);
Described the 3rd projection (211) is with the described slide block that resets (42) while separating, the described slide block that resets (42) away from described reset components (15), makes described percussion locking plate (1) be promoted to reset by described connecting rod (21) under the thrust of described reseting pressuring spring (43).
10. stiching instrument as claimed in claim 8 is characterized in that:
Also be provided with vertical slot (413) in described SR (41), an end of described reseting pressuring spring (43) is stuck in the inner chamber of described SR (41), prevent that described reseting pressuring spring (43) from deviating from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647124 CN202950703U (en) | 2012-11-30 | 2012-11-30 | Suture instrument with locking mechanism of percussion handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647124 CN202950703U (en) | 2012-11-30 | 2012-11-30 | Suture instrument with locking mechanism of percussion handle |
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| Publication Number | Publication Date |
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| CN202950703U true CN202950703U (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220647124 Withdrawn - After Issue CN202950703U (en) | 2012-11-30 | 2012-11-30 | Suture instrument with locking mechanism of percussion handle |
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| CN (1) | CN202950703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961169A (en) * | 2012-11-30 | 2013-03-13 | 北京中法派尔特医疗设备有限公司 | Stitching instrument with locking mechanism of firing handle |
-
2012
- 2012-11-30 CN CN 201220647124 patent/CN202950703U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961169A (en) * | 2012-11-30 | 2013-03-13 | 北京中法派尔特医疗设备有限公司 | Stitching instrument with locking mechanism of firing handle |
| CN102961169B (en) * | 2012-11-30 | 2015-08-05 | 北京中法派尔特医疗设备有限公司 | A kind of stiching instrument with the retaining mechanism of firing handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130529 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Panther Medical Equipment Co., Ltd., Document name: Notification of Passing Examination on Formalities |