A kind of surgery suturing appliance with safety
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 aided in edge of a knife sewing process.Various surgery medical suturing instrument is just being widely used in sewing up human body alimentary canal tissue, respiratory tissues and vascular tissue in surgical operation, can reduce operating time, improves surgical quality.They are normally used for the end such as esophagus in digestive tract, Stomach duodenum, small intestinal, coton and rectal end, side and side-to-side neurorrhaphy operation or the operation forming passage or close incisions such as ostomy of hemorrhoid excision stomach function regulating pylorus, 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.
When application staplers is organized, first, when stiching instrument is in original state, nail supporting base is separated with nail bin groupware, is placed between nail bin groupware and nail supporting base by tissue to be stapled; Then, hold firing handle, nail bin groupware is drawn close to nail supporting base direction, and release the staple in nail bin groupware by the effect of propulsion plant, thus complete sew application; Finally, decontrol firing handle and press SR, propulsion plant returns to original state together with nail bin.
Front end insurance is installed usually in stiching instrument, makes it can not again pull the trigger after firing, avoid tissue to be damaged and alert has been pulled the trigger complete.
The front end insurance of existing surgery suturing appliance, how providing its restoring force by leaf spring, because leaf spring elastic modelling quantity is less, anti-fatigue ability is low, therefore easily occurs leaf spring generation plastic deformation, loses its elasticity, and insurance cannot be resetted.
Summary of the invention
The invention provides a kind of surgery suturing appliance with safety, at least to solve because leaf spring elastic modelling quantity is less in prior art, anti-fatigue ability is low, easily occurs leaf spring generation plastic deformation, loses its elasticity, make the technical problem that insurance cannot reset.
The invention provides a kind of surgery suturing appliance with safety, comprise safety block, pushing slice of nail and elbow groove, before instrumentation, above-mentioned pushing slice of nail props up above-mentioned safety block, above-mentioned safety block is connected with elastomeric element, above-mentioned elastomeric element does not comprise leaf spring, when apparatus pulled the trigger, after above-mentioned pushing slice of nail departs from above-mentioned safety block, above-mentioned elastomeric element makes above-mentioned safety block rotate, and 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 above-mentioned safety block, the other end is connected on above-mentioned clamping plate, above-mentioned extension spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is the direction of instigating above-mentioned safety block lower end crotch to prop up above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises elbow, one end of above-mentioned extension spring is connected on above-mentioned safety block, the other end is connected on above-mentioned elbow, above-mentioned extension spring makes above-mentioned safety block rotate to predetermined direction, and above-mentioned predetermined direction is the direction of instigating above-mentioned safety block lower end crotch to prop up above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises nail supporting base seat, one end of above-mentioned Compress Spring is connected on above-mentioned safety block, the other end is connected on 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 the direction of instigating above-mentioned safety block lower end crotch to prop up above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises nail supporting base seat, one end of above-mentioned torsion spring is connected on above-mentioned safety block, the other end is connected on 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 the direction of instigating above-mentioned safety block lower end crotch to prop up above-mentioned elbow groove.
Preferably, above-mentioned surgery suturing appliance comprises clamping plate, above-mentioned safety block is fixed on above-mentioned clamping plate by insurance pin, above-mentioned wind spring is arranged on 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 the direction of instigating above-mentioned safety block lower end crotch to prop up above-mentioned elbow groove.
In the present invention, provide insurance restoring force with extension spring, because extension spring elastic modelling quantity is large, anti-fatigue ability is strong, restoring force is stablized, and the front end of surgery suturing appliance is insured more reliable and more stable, overcomes leaf spring in prior art and easily plastic deformation occur and lose elastic defect.Except preferred extension spring, extension spring can also be substituted by Compress Spring, torsion spring or wind spring, the elastic modelling quantity of the leaf spring that its elastic modelling quantity still insures than front end of the prior art is large, anti-fatigue ability is strong, restoring force is stablized, the front end of surgery suturing appliance is insured more reliable and more stable, overcome leaf spring in prior art and easily plastic deformation occur and lose elastic defect.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail, the present invention includes but be 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 enlarged local section structural representation of Fig. 1 provided by the invention.
Fig. 3 is the cross-sectional view of the closure state of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 4 is the enlarged local section structural representation of Fig. 3 provided by the invention.
Fig. 5 is the cross-sectional view of the cock of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 6 is the enlarged local section structural representation of Fig. 5 provided by the invention.
Fig. 7 is the cross-sectional view of the safety position of the Linear stapler of a kind of preferred embodiment provided by the invention.
Fig. 8 is the enlarged local section structural representation of Fig. 7 provided by the invention.
Detailed description of the invention
Present embodiments provide a kind of preferred surgery suturing appliance, for Linear stapler, as shown in Figure 1, comprise 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 panels, because Fig. 2 is the part sectioned view of the preferred Linear stapler of the present embodiment, only demonstrate a slice clamping plate 31.
Above-mentioned safety block 11 is fixed on the above-mentioned clamping plate 31 of two panels by above-mentioned insurance pin 13, above-mentioned safety block 11 is made to be in the middle of the above-mentioned clamping plate 31 of two panels, can rotate around above-mentioned insurance pin 13, one end of above-mentioned insurance extension spring 14 is fixed on the above-mentioned clamping plate 31 of two panels by above-mentioned spring pin 15, above-mentioned insurance extension spring 14 is in the middle of the above-mentioned clamping plate 31 of two panels, and the other end is connected with above-mentioned safety block 11.
Annexation between all parts described in the present embodiment is only a kind of example, and the present invention can also adopt the annexation equivalent with above-mentioned annexation to be connected.
The operation principle of the preferred Linear stapler of the 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 now above-mentioned insurance extension spring 14 is in maximum tension.As shown in Figure 3 and Figure 4, when holding firing handle 4 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 now apparatus is 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 above-mentioned pushing slice of nail 21 to left movement simultaneously, and the molding of percussion titanium nail, apparatus is in cock.
As shown in Figure 7 and Figure 8, after having pulled the trigger, 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 on the right side of above-mentioned safety block 11 moves to above-mentioned elbow groove 12, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower end, above-mentioned safety block 11 is under the pulling force effect of above-mentioned insurance extension spring 14, rotate clockwise, above-mentioned safety block 11 lower end crotch is made to prop up above-mentioned elbow groove 12, make above-mentioned cleat assembly 3 can not to left movement, above-mentioned nail bin groupware 2 simultaneously, 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 movements, 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 on the above-mentioned clamping plate 31 of two panels by above-mentioned spring pin 15, one end of above-mentioned insurance extension spring 14 can also be fixed on above-mentioned elbow 51 as shown in Figure 4, still make a part for above-mentioned insurance extension spring 14 be in the middle of the above-mentioned clamping plate 31 of two panels, 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 when above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11 and above-mentioned insurance pin 13 are together to left movement, outside above-mentioned insurance extension spring 14 is stretched further, other operation principles are 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 be substituted by Compress Spring, one end of above-mentioned Compress Spring is fixed on above-mentioned nail supporting base seat 52 as shown in Figure 4, 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 when above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11 and above-mentioned insurance pin 13 are together to left movement, the Compress Spring of above-mentioned insurance is stretched; As shown in Figure 8, when on the right side of above-mentioned safety block 11 moves to above-mentioned elbow groove 12, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower end, above-mentioned safety block 11 is under the elastic force effect of the Compress Spring of above-mentioned insurance, rotate clockwise, make above-mentioned safety block 11 lower end crotch 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 one end of above-mentioned torsion spring is fixed on above-mentioned nail supporting base seat 52 as shown in Figure 4, 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 when above-mentioned cleat assembly 3, above-mentioned nail bin groupware 2, above-mentioned safety block 11 and above-mentioned insurance pin 13 are together to left movement, and the torsion spring of above-mentioned insurance is not therewith to left movement; As shown in Figure 8, when on the right side of above-mentioned safety block 11 moves to above-mentioned elbow groove 12, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower end, above-mentioned safety block 11 is under the elastic force effect of the torsion spring of above-mentioned insurance, rotate clockwise, make above-mentioned safety block 11 lower end crotch 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, other annexations and operation principle the same, do not repeat them here.
After " safety position " of the present invention refers to the present invention preferably embodiment Linear stapler completes cock, because above-mentioned safety block 11 be can't resist in above-mentioned pushing slice of nail 21 lower end, above-mentioned safety block 11 is under the pulling force effect of above-mentioned insurance extension spring 14, rotate clockwise, above-mentioned safety block 11 lower end crotch is made to prop up above-mentioned elbow groove 12, make above-mentioned cleat assembly 3 can not to left movement, above-mentioned nail bin groupware 2 simultaneously, 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 movements, play the state of safety effect.