CN202950706U - Reset device and stitching instrument using same - Google Patents
Reset device and stitching instrument using same Download PDFInfo
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- CN202950706U CN202950706U CN 201220647125 CN201220647125U CN202950706U CN 202950706 U CN202950706 U CN 202950706U CN 201220647125 CN201220647125 CN 201220647125 CN 201220647125 U CN201220647125 U CN 201220647125U CN 202950706 U CN202950706 U CN 202950706U
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- resets
- slide block
- reset
- percussion
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- 238000009527 percussion Methods 0.000 claims description 83
- 238000010304 firing Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 24
- 230000000694 effects Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000014617 hemorrhoid Diseases 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001187 pylorus Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000004206 stomach function Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
Abstract
The utility model provides a reset device and a stitching instrument using the same, wherein the reset device comprises a reset knob and a reset slide block, the reset slide block is provided with a reset pressure spring, so that the reset slide block is slidably arranged in the inner cavity of the reset knob, a vertical slot is formed at the inner side of the reset knob, and the other end of the reset pressure spring is clamped in the inner cavity of the reset knob, so that the reset pressure spring is prevented from coming off. According to the stitching instrument using the same, the reset slide block of the reset device is additionally arranged, the reset pressure spring is installed on the reset slide block, so that bulges on a connection rod control the reset slide block to slide so as to guarantee the separation of two actions of a reset trigger and a reset connection rod, the time difference of the two actions can be guaranteed, the irreducible risk is avoided, preferably, the vertical slot is additionally arranged in the inner side of the reset knob, the other end of the reset pressure spring is clamped in the inner cavity of the reset knob, so that the reset pressure spring is prevented from coming off and the reset device provided by the utility model is safe and reliable.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of resetting means and adopt the stiching instrument of this resetting means.
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.
Connecting rod is pressed in the many employings of the resetting structure of existing most of medical apparatus and instruments and slide plate is realized the function resetted.The drivening rod that rotatablely moves of trigger moves upward, realize the motion of the level of other device, must guarantee the separation of trigger and two actions of restoring link that resets from designing, and also will guarantee that the time difference of two actions is little, while existing two actions deviation to occur, irreducible risk.
The utility model content
This utility model provides a kind of resetting means, improvement has increased the slide block that resets of resetting means, at least to solve in prior art the separation due to will guarantee to reset trigger and two actions of restoring link, and the time difference that also will guarantee two actions is little, while existing two actions deviation to occur, the problem of irreducible risk, provide a kind of safe and reliable resetting means.
According to an aspect of the present utility model, a kind of resetting means of stiching instrument is provided, above-mentioned stiching instrument comprises percussion locking plate, percussion connecting rod and firing handle, above-mentioned resetting means comprises: SR, above-mentioned SR promotes above-mentioned percussion connecting rod and resets; The slide block that resets, the above-mentioned slide block that resets slides and is 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 percussion connecting rod resets at above-mentioned percussion connecting rod resets.
Preferably, on the above-mentioned slide block that resets, reseting pressuring spring is installed, the above-mentioned slide block that resets is slided and be arranged in the inner chamber of above-mentioned SR; The above-mentioned slide block that resets is provided with the spring fitting axle, and an end of above-mentioned reseting pressuring spring is arranged on above-mentioned spring fitting axle, and the other end props up the inboard of above-mentioned SR, and the above-mentioned slide block that resets is slided in above-mentioned SR inner chamber.
Preferably, above-mentioned SR inboard also is provided with vertical slot, and the above-mentioned other end of above-mentioned reseting pressuring spring is stuck in the inner chamber of above-mentioned SR, prevents that above-mentioned reseting pressuring spring from deviating from.
Preferably, the above-mentioned slide block that resets is provided with sliver, in the inner chamber of above-mentioned SR, is provided with gathering sill, and the above-mentioned slide block that resets matches by above-mentioned sliver and above-mentioned gathering sill, is installed on slidably in the inner chamber of above-mentioned SR.
Preferably, in the above-mentioned slide block that resets, also be provided with groove, the part of percussion connecting rod embeds in above-mentioned groove and promotes the above-mentioned slide block that resets and slides.
According to another aspect of the present utility model, a kind of stiching instrument that adopts this resetting means is provided, it comprises above arbitrary above-mentioned resetting means.
Preferably, above-mentioned percussion connecting rod comprises connecting rod, the upper surface of above-mentioned connecting rod is provided with the 3rd projection, and above-mentioned the 3rd projection embeds above-mentioned groove and also promotes the above-mentioned slide block that resets and slide, and 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 percussion locking plate.
Preferably, 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.
In this utility model, a kind of resetting means is provided, improvement has increased the slide block that resets of 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 SR inner chamber of the resetting means of a kind of preferred embodiment of the present utility model.
Fig. 2 is the part explosive view of the stiching instrument of a kind of preferred embodiment of the present 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 resetting means of a kind of preferred embodiment of the present utility model.
Fig. 9 is the schematic diagram of the slide block that resets of the resetting means of a kind of preferred embodiment of the present utility model.
Figure 10 is the schematic diagram of SR of the resetting means of a kind of preferred embodiment of the present utility model.
Figure 11 is the schematic diagram of SR of the resetting means of a kind of preferred embodiment of the present utility model.
Figure 12 is the schematic diagram of SR of the resetting means 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 and draw an ancient unit of weight 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 inboard 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 and Fig. 1, above-mentioned SR 41 inboards also are provided preferably with vertical slot 413, for the other end that above-mentioned reseting pressuring spring 43 is not arranged on above-mentioned spring fitting axle 421, are stuck in the inner chamber of above-mentioned SR 41, 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.
In this utility model, " trigger " and " firing handle " refers to the same parts on stiching instrument, i.e. above-mentioned firing handle 3 as shown in figure 21.
Reset mode described in the utility model refers to the original state of stiching instrument, be 213 li of the above-mentioned draw-in grooves that the above-mentioned limited post 16 of above-mentioned percussion locking plate 1 is stuck in above-mentioned connecting rod 21, above-mentioned percussion locking plate 1 is in state as shown in figure 25, above-mentioned connecting rod 21 is in naturalness as shown in figure 25, above-mentioned firing handle 3 is in naturalness as shown in figure 21, and above-mentioned resetting means 4 is in naturalness as shown in figure 13.
Claims (10)
1. the resetting means of a stiching instrument, described stiching instrument comprises percussion locking plate (1), percussion connecting rod (2) and firing handle (3), it is characterized in that comprising:
SR (41), described SR (41) promotes described percussion connecting rod (2) and resets;
The slide block (42) that resets, the described slide block that resets (42) slides and is 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 percussion connecting rod (2) resets at described percussion connecting rod (2) resets.
2. resetting means as claimed in claim 1 is characterized in that:
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);
The described slide block that resets (42) is provided with spring fitting axle (421), one end of described reseting pressuring spring (43) is arranged on described spring fitting axle (421), the other end props up the inboard of described SR (41), and the described slide block that resets (42) is slided in described SR (41) inner chamber.
3. resetting means as claimed in claim 2 is characterized in that:
Described SR (41) inboard also is provided with vertical slot (413), and the described other end of described reseting pressuring spring (43) is stuck in the inner chamber of described SR (41), prevents that described reseting pressuring spring (43) from deviating from.
4. described resetting means as arbitrary as claim 1-3 is characterized in that:
The described slide block that resets (42) is provided with sliver (423), be provided with gathering sill (412) in the inner chamber of described SR (41), the described slide block that resets (42) matches by described sliver (423) and described gathering sill (412), is installed on slidably in the inner chamber of described SR (41).
5. described resetting means as arbitrary as claim 1-3 is characterized in that:
Also be provided with groove (422) in the described slide block that resets (42), the part of percussion connecting rod (2) embeds in described groove (422) and promotes the described slide block that resets (42) and slides.
6. a stiching instrument, is characterized in that comprising described resetting means as arbitrary as claim 1-3.
7. a stiching instrument, is characterized in that comprising resetting means as claimed in claim 4.
8. a stiching instrument, is characterized in that comprising resetting means as claimed in claim 5.
9. stiching instrument as claimed in claim 8 is characterized in that:
Described percussion connecting rod (2) comprises connecting rod (21), the upper surface of described connecting rod (21) is provided with the 3rd projection (211), described the 3rd projection (211) embeds described groove (422) and promotes the described slide block that resets (42) and slides, and 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 percussion locking plate (1).
10. stiching instrument as claimed in claim 9 is characterized in that:
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647125 CN202950706U (en) | 2012-11-30 | 2012-11-30 | Reset device and stitching instrument using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647125 CN202950706U (en) | 2012-11-30 | 2012-11-30 | Reset device and stitching instrument using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202950706U true CN202950706U (en) | 2013-05-29 |
Family
ID=48456304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220647125 Expired - Lifetime CN202950706U (en) | 2012-11-30 | 2012-11-30 | Reset device and stitching instrument using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202950706U (en) |
-
2012
- 2012-11-30 CN CN 201220647125 patent/CN202950706U/en not_active Expired - Lifetime
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |
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| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Beijing Zhongfa pelt Medical Equipment Co.,Ltd. The person in charge Document name: Notice of termination upon expiration of patent right |
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| DD01 | Delivery of document by public notice |