CN103006282A - Surgical stitching instrument with safety device - Google Patents
Surgical stitching instrument with safety device Download PDFInfo
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- CN103006282A CN103006282A CN2012105803712A CN201210580371A CN103006282A CN 103006282 A CN103006282 A CN 103006282A CN 2012105803712 A CN2012105803712 A CN 2012105803712A CN 201210580371 A CN201210580371 A CN 201210580371A CN 103006282 A CN103006282 A CN 103006282A
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Abstract
The invention provides a surgical stitching instrument with a safety device. The surgical stitching instrument comprises a safety block, a pushing nail sheet and an elbow recess, wherein before the instrument is put in use, the pushing nail sheet is propped against the safety block; an elastic part is connected to the safety block; the elastic part does not include a plate spring; and after the firing of the instrument is finished and the pushing nail sheet is separated from the safety block, the safety block is rotated by the elastic part, so that a hook at the lower end of the safety block is propped against the elbow recess. According to the invention, the safety restoring force is provided by an extension spring; and as the extension spring has the advantages of large elastic modulus, high anti-fatigue capability and stable restoring force, the safety at the front end of the surgical stitching instrument is stabler and more reliable, and the defect that the elasticity of the plate spring is lost because the plate spring is easy to generate plastic deformation in the prior art is overcome.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of surgery suturing appliance with safety.
Background technology
In medical science applied surgical operation, since the first staple series products of the sixties in 20th century, medical suturing instrument has become the requisite a kind of medical apparatus and instruments that aids in the 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 medical suturing instrument in surgical operation, can reduce operating time, improve the operation quality.They are normally used for the ends such as esophagus in the 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 the respiratory tract, be specially adapted to appear the suture operation with the Organ and tissue of operating difficulties.
When using the stiching instrument suture tissue, at first, when stiching instrument was in original state, nail supporting base separated with nail bin groupware, and tissue to be sewed up is placed between nail bin groupware and the nail supporting base; Then, hold firing handle, so that nail bin groupware draws close to the nail supporting base direction, and release staple in the nail bin groupware by the effect of propulsion plant, thereby finish sew application; At last, decontrol firing handle and press SR, propulsion plant returns to original state with nail bin.
Usually in stiching instrument the front end insurance is installed, it can not be pulled the trigger after percussion again, avoid tissue to be damaged and alert has been pulled the trigger complete.
How the front end insurance of existing surgery suturing appliance provides its restoring force by leaf spring, because the leaf spring elastic modelling quantity is less, anti-fatigue ability is low, so leaf spring generation plastic deformation occurs easily, loses its elasticity, and insurance can't be resetted.
Summary of the invention
The invention provides a kind of surgery suturing appliance with safety, less owing to the leaf spring elastic modelling quantity to solve at least in the prior art, anti-fatigue ability is low, leaf spring generation plastic deformation occurs easily, loses its elasticity, the technical problem that insurance can't be resetted.
The invention provides a kind of surgery suturing appliance with safety, comprise safety block, pushing slice of nail and elbow groove, above-mentioned pushing slice of nail props up above-mentioned safety block before instrumentation, be connected with elastomeric element on the above-mentioned safety block, above-mentioned elastomeric element does not comprise leaf spring, after apparatus percussion was finished, above-mentioned pushing slice of nail breaks away from above-mentioned safety block, above-mentioned elastomeric element made above-mentioned safety block rotation, makes above-mentioned safety block lower end crotch prop up above-mentioned elbow groove.
Preferably, above-mentioned elastomeric element comprises extension spring, Compress Spring, torsion spring and wind spring.
Preferably, above-mentioned surgery suturing appliance comprises clamping plate, one end of above-mentioned extension spring is connected on the above-mentioned safety block, the other end is connected on the above-mentioned clamping plate, above-mentioned extension spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is to instigate above-mentioned safety block lower end crotch to prop up the direction of above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises elbow, one end of above-mentioned extension spring is connected on the above-mentioned safety block, the other end is connected on the above-mentioned elbow, above-mentioned extension spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is to instigate above-mentioned safety block lower end crotch to prop up the direction of above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises the nail supporting base seat, one end of above-mentioned Compress Spring is connected on the above-mentioned safety block, the other end is connected on the above-mentioned nail supporting base seat, above-mentioned Compress Spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is to instigate above-mentioned safety block lower end crotch to prop up the direction of above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises the nail supporting base seat, one end of above-mentioned torsion spring is connected on the above-mentioned safety block, the other end is connected on the above-mentioned nail supporting base seat, above-mentioned torsion spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is to instigate above-mentioned safety block lower end crotch to prop up the direction of above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises clamping plate, above-mentioned safety block is fixed on the above-mentioned clamping plate by the insurance pin, above-mentioned wind spring is installed in above-mentioned safety plug and nails on, above-mentioned wind spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is to instigate above-mentioned safety block lower end crotch to prop up the direction of above-mentioned elbow groove.
In the present invention, provide the insurance restoring force with extension spring, because the extension spring elastic modelling quantity is large, anti-fatigue ability is strong, restoring force is stable, makes the front end insurance of surgery suturing appliance more reliable and more stable, has overcome that leaf spring easily plastic deformation occurs and loses elastic defective in the prior art.Except preferred extension spring, extension spring can also compressed spring, torsion spring or wind spring substitute, its elastic modelling quantity still elastic modelling quantity than the leaf spring of front end of the prior art insurance is large, anti-fatigue ability is strong, restoring force is stable, make the front end insurance of surgery suturing appliance more reliable and more stable, overcome that leaf spring easily plastic deformation occurs and loses elastic defective in the prior art.
Description of drawings
Above-mentioned only is the general introduction of technical solution of the present invention, and for can clearer understanding technological means of the present invention, the present invention is described in further detail below in conjunction with accompanying drawing and the specific embodiment, the present invention includes but is not limited to the following drawings and embodiment.
Fig. 1 is the cross-sectional view of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 2 is the local amplification profile structural representation of Fig. 1 provided by the invention.
Fig. 3 is the cross-sectional view of closure state of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 4 is the local amplification profile structural representation of Fig. 3 provided by the invention.
Fig. 5 is the cross-sectional view of percussion state of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 6 is the local amplification profile structural representation of Fig. 5 provided by the invention.
Fig. 7 is the cross-sectional view of safety position of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 8 is the local amplification profile structural representation of Fig. 7 provided by the invention.
The specific embodiment
Present embodiment provides a kind of preferred surgery suturing appliance, take Linear stapler as example, as shown in Figure 1, comprises safety 1, nail bin groupware 2, cleat assembly 3.As shown in Figure 2, above-mentioned safety 1 comprise safety block 11, elbow groove 12, insurance pin 13, insurance extension spring 14 and spring pin 15, and above-mentioned nail bin groupware 2 comprises pushing slice of nail 21, and above-mentioned cleat assembly 3 comprises clamping plate 31 and nail pushing plate 32.Wherein above-mentioned clamping plate 31 are symmetrical two, because Fig. 2 is the part sectioned view of the preferred Linear stapler of present embodiment, only demonstrate a slice clamping plate 31.
Above-mentioned safety block 11 is fixed on two above-mentioned clamping plate 31 by above-mentioned insurance pin 13, above-mentioned safety block 11 is in the middle of two above-mentioned clamping plate 31, can be around above-mentioned insurance pin 13 rotations, one end of above-mentioned insurance extension spring 14 is fixed on two above-mentioned clamping plate 31 by above-mentioned spring pin 15, above-mentioned insurance extension spring 14 is in the middle of two above-mentioned clamping plate 31, and the other end is connected with above-mentioned safety block 11.
Annexation between all parts described in the present embodiment only is a kind of example, and the present invention can also adopt the annexation that is equal to above-mentioned annexation to be connected.
The operation principle of the preferred Linear stapler of present embodiment is as follows:
As depicted in figs. 1 and 2, the present embodiment Linear stapler is in original state, and namely the lower end of above-mentioned pushing slice of nail 21 props up above-mentioned safety block 11, and above-mentioned insurance extension spring 14 this moment is in maximum tension.As shown in Figure 3 and Figure 4, when the firing handle 4 of holding as shown in Figure 3, as shown in Figure 4, above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11, above-mentioned insurance pin 13, above-mentioned insurance extension spring 14 and above-mentioned spring pin 15 are together to left movement, above-mentioned nail bin groupware 2 props up elbow assembly 5, and this moment, apparatus was in closure state.As shown in Figure 5 and Figure 6, when again holding above-mentioned firing handle 4 as shown in Figure 5, as shown in Figure 6, above-mentioned nail pushing plate 32 is moved to the left, and promotes simultaneously above-mentioned pushing slice of nail 21 to left movement, the molding of percussion titanium nail, and apparatus is in the percussion state.
As shown in Figure 7 and Figure 8, after percussion is finished, unclamp above-mentioned firing handle 4 as shown in Figure 7, and press SR 6, as shown in Figure 8, above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11, above-mentioned insurance pin 13, above-mentioned insurance extension spring 14 and above-mentioned spring pin 15 move right together, when above-mentioned safety block 11 moves to above-mentioned elbow groove 12 right side, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower ends, above-mentioned safety block 11 is under the pulling force effect of above-mentioned insurance extension spring 14, clockwise rotate, make above-mentioned safety block 11 lower end crotches prop up above-mentioned elbow groove 12, make the above-mentioned cleat assembly 3 can not be to left movement, simultaneously above-mentioned nail bin groupware 2, above-mentioned safety block 11, above-mentioned insurance pin 13, above-mentioned insurance extension spring 14 and above-mentioned spring pin 15 all can not to left movement, play safety effect.
Preferably, as shown in Figure 4, above-mentioned elbow assembly 5 comprises elbow 51, as shown in Figure 2, one end of above-mentioned insurance extension spring 14 is except being fixed in by above-mentioned spring pin 15 on two above-mentioned clamping plate 31, one end of above-mentioned insurance extension spring 14 can also be fixed on the above-mentioned elbow 51 as shown in Figure 4, the part of above-mentioned insurance extension spring 14 is in the middle of two above-mentioned clamping plate 31, the other end is connected with above-mentioned safety block 11.Other annexations are the same, do not repeat them here.Operation principle is except when above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11 and above-mentioned insurance pin 13 during together to left movement, and outside above-mentioned insurance extension spring 14 was further stretched, other operation principles were the same, do not repeat them here.
Preferably, as shown in Figure 4, above-mentioned elbow assembly 5 comprises nail supporting base seat 52, above-mentioned insurance extension spring 14 can also substitute by compressed spring, one end of above-mentioned Compress Spring is fixed on as shown in Figure 4 the above-mentioned nail supporting base seat 52, and the other end is connected with above-mentioned safety block 11, and above-mentioned Compress Spring is in compressive state, other annexations are the same, do not repeat them here.Operation principle is except when above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11 and above-mentioned insurance pin 13 during together to left movement, and the Compress Spring of above-mentioned insurance is stretched; As shown in Figure 8, when above-mentioned safety block 11 moves to above-mentioned elbow groove 12 right side, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower ends, above-mentioned safety block 11 is under the elastic force effect of the Compress Spring of above-mentioned insurance, clockwise rotate, make above-mentioned safety block 11 lower end crotches prop up above-mentioned elbow groove 12, other operation principles are the same, do not repeat them here.
Preferably, above-mentioned insurance extension spring 14 can also be substituted by torsion spring, and an end of above-mentioned torsion spring is fixed on as shown in Figure 4 the above-mentioned nail supporting base seat 52, the other end contacts with above-mentioned safety block 11, above-mentioned torsion spring is in compressive state, and other annexations are the same, do not repeat them here.Operation principle is except when above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11 and above-mentioned insurance pin 13 during together to left movement, and the torsion spring of above-mentioned insurance is not therewith to left movement; As shown in Figure 8, when above-mentioned safety block 11 moves to above-mentioned elbow groove 12 right side, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower ends, above-mentioned safety block 11 is under the elastic force effect of the torsion spring of above-mentioned insurance, clockwise rotate, make above-mentioned safety block 11 lower end crotches prop up above-mentioned elbow groove 12, other operation principles are the same, do not repeat them here.
Preferably, above-mentioned insurance extension spring 14 can also be substituted by wind spring, and above-mentioned wind spring is fixed on the position of above-mentioned insurance pin 13, and other annexations and operation principle are the same, do not repeat them here.
After " safety position " of the present invention refers to the present invention preferably the embodiment Linear stapler finished the percussion state, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower ends, above-mentioned safety block 11 is under the pulling force effect of above-mentioned insurance extension spring 14, clockwise rotate, make above-mentioned safety block 11 lower end crotches prop up above-mentioned elbow groove 12, make the above-mentioned cleat assembly 3 can not be to left movement, above-mentioned nail bin groupware 2 of while, above-mentioned safety block 11, above-mentioned insurance pin 13, above-mentioned insurance extension spring 14 and above-mentioned spring pin 15 all can not to left movement, play the state of safety effect.
Claims (10)
1. surgery suturing appliance with safety, comprise safety block (11), pushing slice of nail (21) and elbow groove (12), described pushing slice of nail (21) props up described safety block (11) before instrumentation, it is characterized in that: be connected with elastomeric element (14) on the described safety block (11), described elastomeric element (14) does not comprise leaf spring, when the apparatus percussion is finished, after described pushing slice of nail (21) breaks away from described safety block (11), described elastomeric element (14) makes described safety block (11) rotation, makes described safety block (11) lower end crotch prop up described elbow groove (12).
2. surgery suturing appliance as claimed in claim 1, it is characterized in that: described elastomeric element (14) is extension spring.
3. surgery suturing appliance as claimed in claim 2, comprise clamping plate (31), it is characterized in that: an end of described extension spring (14) is connected on the described safety block (11), the other end is connected on the described clamping plate (31), described extension spring (14) makes described safety block (11) to the predetermined direction rotation, and described predetermined direction is to instigate described safety block (11) lower end crotch to prop up the direction of described elbow groove (12).
4. surgery suturing appliance as claimed in claim 2, comprise elbow (51), it is characterized in that: an end of described extension spring (14) is connected on the described safety block (11), the other end is connected on the described elbow (51), described extension spring (14) makes described safety block (11) to the predetermined direction rotation, and described predetermined direction is to instigate described safety block (11) lower end crotch to prop up the direction of described elbow groove (12).
5. surgery suturing appliance as claimed in claim 1, it is characterized in that: described elastomeric element (14) is Compress Spring.
6. surgery suturing appliance as claimed in claim 5, comprise nail supporting base seat (52), it is characterized in that: an end of described Compress Spring is connected on the described safety block (11), the other end is connected on the described nail supporting base seat (52), described Compress Spring makes described safety block (11) to the predetermined direction rotation, and described predetermined direction is to instigate described safety block (11) lower end crotch to prop up the direction of described elbow groove (12).
7. surgery suturing appliance as claimed in claim 1, it is characterized in that: described elastomeric element (14) is torsion spring.
8. surgery suturing appliance as claimed in claim 7, comprise nail supporting base seat (52), it is characterized in that: an end of described torsion spring is connected on the described safety block (11), the other end is connected on the described nail supporting base seat (52), described torsion spring makes described safety block (11) to the predetermined direction rotation, and described predetermined direction is to instigate described safety block (11) lower end crotch to prop up the direction of described elbow groove (12).
9. surgery suturing appliance as claimed in claim 1, it is characterized in that: described elastomeric element (14) is wind spring.
10. surgery suturing appliance as claimed in claim 9, comprise clamping plate (31), it is characterized in that: described safety block (11) is fixed on the described clamping plate (31) by insurance pin (13), described wind spring is installed on the described insurance pin (13), described wind spring makes described safety block (11) to the predetermined direction rotation, and described predetermined direction is to instigate described safety block (11) lower end crotch to prop up the direction of described elbow groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580371.2A CN103006282B (en) | 2012-12-28 | 2012-12-28 | A kind of surgery suturing appliance with safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580371.2A CN103006282B (en) | 2012-12-28 | 2012-12-28 | A kind of surgery suturing appliance with safety |
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| CN103006282A true CN103006282A (en) | 2013-04-03 |
| CN103006282B CN103006282B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210580371.2A Active CN103006282B (en) | 2012-12-28 | 2012-12-28 | A kind of surgery suturing appliance with safety |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027146A (en) * | 2014-06-06 | 2014-09-10 | 山东威瑞外科医用制品有限公司 | Anastomat with two safety mechanisms |
| CN104586446A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and triggering safety mechanism thereof |
| CN104586449A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and percussion safety mechanism thereof |
| CN104586448A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Stitching instrument and triggering safety device thereof |
| CN104688288A (en) * | 2015-03-13 | 2015-06-10 | 苏州天臣国际医疗科技有限公司 | Medical stapler |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027146A (en) * | 2014-06-06 | 2014-09-10 | 山东威瑞外科医用制品有限公司 | Anastomat with two safety mechanisms |
| CN104586446A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and triggering safety mechanism thereof |
| CN104586449A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Suturing device and percussion safety mechanism thereof |
| CN104586448A (en) * | 2015-01-12 | 2015-05-06 | 天津万和医疗器械有限公司 | Stitching instrument and triggering safety device thereof |
| CN104586448B (en) * | 2015-01-12 | 2017-03-08 | 天津万和医疗器械有限公司 | A kind of stiching instrument and its percussion safety device |
| CN104586449B (en) * | 2015-01-12 | 2017-03-08 | 天津万和医疗器械有限公司 | Stiching instrument and its firing safety mechanism |
| CN104688288A (en) * | 2015-03-13 | 2015-06-10 | 苏州天臣国际医疗科技有限公司 | Medical stapler |
| CN104688288B (en) * | 2015-03-13 | 2017-11-21 | 苏州天臣国际医疗科技有限公司 | Medical stapler |
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| CN103006282B (en) | 2016-03-30 |
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Address after: 102208 Beijing City, Changping District Beiqijia town Zhenggezhuang village Hongfu building room 61704 Applicant after: Beijing Panther Medical Equipment Co., Ltd., Address before: Beijing City, Chaoyang District Wangjing two district 100018 emerging industries in the Garden District Litse No. 208 building 3 floor 3305A room 3 Applicant before: Beijing Panther Medical Equipment Co., Ltd., |
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