CN203029305U - Operation handle and round pipe type anastomat with same - Google Patents
Operation handle and round pipe type anastomat with same Download PDFInfo
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- CN203029305U CN203029305U CN 201220732604 CN201220732604U CN203029305U CN 203029305 U CN203029305 U CN 203029305U CN 201220732604 CN201220732604 CN 201220732604 CN 201220732604 U CN201220732604 U CN 201220732604U CN 203029305 U CN203029305 U CN 203029305U
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- operating handle
- pointer
- pin
- anastomat
- tubular type
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Abstract
The utility model provides an operation handle and a round pipe type anastomat with the same. The operation handle is pivotally connected with an anastomat body. The round pipe type anastomat comprises a nail pushing rod and a brake pin which are arranged in the anastomat body. The operation handle comprises an L-shaped abutting surface abutted to the brake pin optionally, and an included angle of the L shape is an arc transitional acute angle. When the abutting surface is abutted to the brake pin, the round pipe type anastomat is arranged at the second-impact prevention state. Compared with the prior art, the operation handle and the round pipe type anastomat with the same have the advantages that second impact can be effectively prevented, and medical negligence is avoided.
Description
Technical field
This utility model relates to a kind of operating handle and is provided with the tubular type anastomat of this operating handle, belongs to technical field of medical instruments.
Background technology
The tubular type anastomat is a kind of medical apparatus and instruments that often uses when physiological tissues such as digestive tract are carried out surgical operation.Bookbinding form in this class anastomat adopts axially mostly, organize containing for two sections when coincideing, form the circular anastomosis ring at organization internal, this apparatus can make that the body that produces in the operation process is hemorrhage can be along with content be discharged together, and operation back collective tissue heals than being easier to.
Existing ground, the tubular type anastomat that is used for the treatment of hemorrhoid comprises anastomat body, the operating handle that flexibly connects described anastomat body and the anvil assembly that cooperates with described body.Described anastomat body comprises annular nail bin, the cutting knife of being located at far-end.Described anvil assembly comprises round table-like nail anvil, and be fixed on its top nail-anvil cap, be arranged on the cutter anvil of nail anvil inside, with the pin anvil shaft that removably is connected with the anastomat body.
Usually, when carrying out hemorrhoid cutting anastomosis, earlier manually or use assistive device such as anus dilator seat to expand anus, after pricking pocket at hemorrhoidal tissue, the tubular type anastomat is inserted intestinal, then purse wire is pulled out apparatus by the passage in the tubular type anastomat nail tube and tighten up, this moment, hemorrhoidal tissue was just tightened up in the nail tube and between the nail anvil, the nail anvil of anvil assembly of furthering make nail anvil and and the nail bin of anastomat body clamp containing hemorrhoidal tissue, then, pull the trigger by operating handle control nail bin and cutting knife, so that hemorrhoidal tissue is coincide, cutting, at last, after apparatus percussion is finished, with the tubular type anastomat by extracting out in the intestinal.Yet after apparatus was finished the shot action, the operator may unconsciously grip operating handle again, and this nail bin and cutting knife that operating handle is triggered pulled the trigger carries out the secondary percussion, causes malpractice.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of tubular type anastomat that has anti-secondary percussion function operations handle and be provided with this operating handle.
For realizing above-mentioned utility model purpose, a kind of operating handle of the present utility model, the anastomat body of the pivotally connected tubular type anastomat of described operating handle, described tubular type anastomat comprise and are arranged at the intrinsic ejector pin bar of described anastomat, banking pin;
Described operating handle comprises the conflict face of conflicting with described banking pin, and described conflict face is L shaped, and its L shaped angle is the excessive acute angle of circular arc, and when described conflict face was conflicted described banking pin, described tubular type anastomat was in anti-secondary percussion state.
As further improvement of the utility model, described banking pin has an initial position and an anti-secondary firing position, when described conflict face is positioned at its anti-secondary firing position at described banking pin, contacts described banking pin.
As further improvement of the utility model, described ejector pin bar comprises an ejector pin bar projection, and when described banking pin was positioned at its anti-secondary firing position, described banking pin was located between described ejector pin bar projection and the described operating handle conflict face.
As further improvement of the utility model, described tubular type anastomat also comprises a pointer member, described operating handle also comprises another conflict face, but described pointer member comprises a firing position and a safety position, when but described pointer member is positioned at its firing position, do not produce active force between described another conflict face and the described pointer bearing pin; When described pointer member was positioned at its safety position, described another conflict applied a pressure towards described pointer bearing pin.
As further improvement of the utility model, described anastomat body is provided with a pointer bearing pin track groove, described pointer member connects described pointer bearing pin track groove movably, described pointer bearing pin track groove has near-end end points and far-end end points, when described pointer member contacts described near-end end points, do not produce active force between another conflict face of described operating handle and the described pointer bearing pin; When described pointer member was left described near-end end points or be positioned at described far-end end points, another conflict of described operating handle applied a pressure towards described pointer bearing pin.
As further improvement of the utility model, another conflict face of described operating handle is parallel with the longitudinal axis of described tubular type anastomat.
Correspondingly, a kind of tubular type anastomat of the present utility model comprises:
The operating handle of anastomat body, pivotally connected described anastomat body is arranged at the intrinsic ejector pin bar of described anastomat, banking pin;
Described operating handle comprises the conflict face of conflicting with described banking pin, and described conflict face is L shaped, and its L shaped angle is the excessive acute angle of circular arc, and when described conflict face was conflicted described banking pin, described tubular type anastomat was in anti-secondary percussion state.
As further improvement of the utility model, described banking pin has an initial position and an anti-secondary firing position, when described conflict face is positioned at its anti-secondary firing position at described banking pin, contacts described banking pin.
As further improvement of the utility model, described ejector pin bar comprises an ejector pin bar projection, and when described banking pin was positioned at its anti-secondary firing position, described banking pin was located between described ejector pin bar projection and the described operating handle conflict face.
As further improvement of the utility model, described tubular type anastomat also comprises a pointer member, described operating handle also comprises another conflict face, but described pointer member comprises a firing position and a safety position, when but described pointer member is positioned at its firing position, do not produce active force between described another conflict face and the described pointer bearing pin; When described pointer member was positioned at its safety position, described another conflict applied a pressure towards described pointer bearing pin.
As further improvement of the utility model, described anastomat body is provided with a pointer bearing pin track groove, described pointer member connects described pointer bearing pin track groove movably, described pointer bearing pin track groove has near-end end points and far-end end points, when described pointer member contacts described near-end end points, do not produce active force between another conflict face of described operating handle and the described pointer bearing pin; When described pointer member was left described near-end end points or be positioned at described far-end end points, another conflict of described operating handle applied a pressure towards described pointer bearing pin.
As further improvement of the utility model, another conflict face of described operating handle is parallel with the longitudinal axis of described tubular type anastomat.
Compared with prior art, operating handle of the present utility model and the tubular type anastomat that is provided with this operating handle can provide and prevent secondary percussion function effectively, avoid occurring malpractice.
Description of drawings
Fig. 1 is the sectional view of tubular type anastomat in this utility model one embodiment;
Fig. 2 is the explosive view of tubular type anastomat in this utility model one embodiment;
Fig. 3 is the enlarged drawing of knob portion among Fig. 2;
Fig. 4 is the sectional view of knob main body in this utility model one embodiment;
Fig. 5 is the sectional view of slow screw element in this utility model one embodiment;
Fig. 6 is the enlarged drawing of left shell among Fig. 2;
Fig. 7 is the enlarged drawing of indicating hand component among Fig. 2;
Fig. 8 is the explosive view of indicating hand component in another embodiment of this utility model;
Fig. 9 is the sectional view of indicating hand component in another embodiment of this utility model;
Figure 10 is the enlarged drawing of banking pin among Fig. 2;
Figure 11 is the enlarged drawing of operating handle among Fig. 2;
Figure 12 is the side view of operating handle in another embodiment of this utility model;
Figure 13 is the enlarged drawing of ejector pin bar among Fig. 2;
Figure 14 is the sectional view of ejector pin bar in this utility model one embodiment;
Figure 15 is tubular type anastomat in this utility model one embodiment is under can the percussion state partially cut-away side view;
Figure 16 is in the partially cut-away side view of preventing under the secondary percussion state for tubular type anastomat in this utility model one embodiment.
The specific embodiment
Below in conjunction with each embodiment shown in the drawings this utility model is elaborated; but should be noted that; these embodiments are not to restriction of the present utility model; the function that those of ordinary skills do according to these embodiments, method or structural equivalent transformation or alternative all belong within the protection domain of the present utility model.
The word of described expression position and direction in this utility model, all be with the exercises on apparatus author as reference, close operator's a end is near-end, is far-end away from operator's a end.
As shown in Figure 1 and Figure 2, in this utility model one embodiment, the tubular type anastomat comprises anastomat body 10, the anvil assembly 20 that cooperates with described anastomat body 10, and the operating handle 30 of pivotally connected described body 10.
Described anastomat body 10 comprises the hollow housing 101 that is positioned at tubular type anastomat near-end, and the nail tube 103 that is positioned at tubular type anastomat far-end, described nail tube 103 connects described housing 101 by retainer ring 102, be provided with pushing slice of nail 105 and the annular nail bin 107 that is positioned at pushing slice of nail 105 far-ends in the described nail tube 103, also be provided with annular cutting knife 106 in this pushing slice of nail 105, described annular nail bin 107 is provided with some mouths that go out to follow closely at its end face.
Described anvil assembly 20 comprises annular nail anvil 201, the nail-anvil cap 203 that is fixed on these annular nail anvil 201 tops that cooperates described annular nail bin 107, the endless knife anvil (not shown) that is arranged on annular nail anvil 201 inside, and the pin anvil shaft 205 that is used for connecting removably anastomat body 10.Wherein, described endless knife anvil is arranged between described pin anvil shaft 205 and the described annular nail anvil 201.
Described tubular type anastomat also is included in the knob 40 that near-end connects described housing 10.
Described knob 40 flexibly connects a drive screw 109 of being located in the described anastomat body 10, and can be reciprocating in the longitudinal axis (Z axle) direction of tubular type anastomat by the slow screw thread that arranges in this knob 40 and the fast described drive screw 109 of screw drive.Screw thread ratio and the effect of described slow screw thread and fast screw thread, those of ordinary skills can by common practise on top of not repeat them here.
The far-end of described drive screw 109 connects described pin anvil shaft 205 removably, so, when described pin anvil shaft 205 connects described drive screw 109, can pass through rotary knob 40, drive described anvil assembly 20 near described anastomat body 10, make the annular nail anvil 201 of anvil assembly 20 and the annular nail bin 107 of anastomat body clamp the tissue that is tightened up by purse wire.
In conjunction with Fig. 3, Fig. 4, shown in Figure 5, in this utility model one embodiment, described knob assembly 40 comprises knob main body 401, slow screw element 403, location-plate 405, and bonnet 407.
In this utility model one embodiment, described knob main body 401 comprises knob 4011, and by the fast threaded portion 4013 of described knob 4011 to remote extension.
Be provided with fast screw thread in the described fast threaded portion 4013.
Described slow screw element 403 also comprises a stopper slot 4032 that is connected with described fast threaded portion proximal end, and the relative position of fixing described slow screw element and described knob main body makes the relative knob main body of slow screw element not relatively rotate.
Be provided with a receiving space in the described knob 4011, described receiving space inwall is provided with at least one knob projection 4015.
In this utility model one embodiment, be provided with the slow screw thread of hollow in the described slow screw element 403, described slow screw thread is communicated with described fast screw thread.Described slow screw element 403 can be contained in the described receiving space, and between described fast screw thread and described knob projection 4015.The near-end of described slow screw element 403 also is provided with connecting portion 4031, and described connecting portion 4031 can flexibly connect with described location-plate 405.
In this utility model one embodiment, described location-plate 405 is provided with the location-plate projection 4051 that is complementary with described knob projection 4015 and the location-plate groove 4053 that is complementary with described knob projection 4015.And described location-plate also is provided with the hole 4055 of a hollow, and described hole 4055 can be sheathed on described connecting portion 4031 peripheries.
In this utility model one embodiment, described bonnet 407 can be connected removably with described knob body 401, the far-end of described bonnet 407 is provided with the bonnet groove 4071 that is complementary with described operating portion projection 4015, reaches the bonnet projection 4073 that is complementary with described location-plate groove 4053.
When assembling, in the receiving space of the knob main body 401 of earlier slow screw element 403 being packed into, stopper slot 4032 on the slow screw element 403 is connected with described fast threaded portion proximal end, and the relative position of fixing slow screw element and knob main body makes the relative knob main body of slow screw element not relatively rotate.The knob projection 4015 that location-plate groove 4053 on the location-plate 405 is aimed at the receiving space inwall is mounted in this receiving space again, be located between described slow screw element 403 and the described knob projection 4015, then, this location-plate 405 is rotated to an angle, allow location-plate projection 4051 aim at described knob projection 4015, make that the end face of the end face of described location-plate projection 4051 and described knob projection 4015 is inconsistent, location-plate 405 is fixed in the described receiving space, so, can cooperate the relative position of fixing described slow screw element 403 and described knob main body 401 by location-plate 405 with described knob main body 401.At last, bonnet groove 4071 and knob projection 4015, bonnet projection 4073 and location-plate groove 4053 is corresponding after, with bonnet 407 clampings to described receiving space.
Knob assembly of the present utility model can form by assembling simply and easily, and having overcome existing knob assembly must be by the ultrasonic bonding molding, and processing is the defective of trouble comparatively.
As shown in Figure 1 and Figure 2, in this utility model one embodiment, the tubular type anastomat also comprises pointer member 111, the banking pin 113 that is arranged in the described housing 101, and ejector pin bar 115.
But described pointer member 111 comprises firing position and safety position, but when described firing position, does not produce active force between described operating handle 30 and the described pointer member, and namely described pointer member can not hinder the motion of described handle, and squeeze grip can be pulled the trigger apparatus; When described safety position, if press described handle, described pointer member can hinder the motion of described handle, and namely described operating handle applies a pressure to described pointer member, and can't pull the trigger this moment.But but whether these pointer member 111 prompting operation person's apparatuses arrive firing position.
Described banking pin 113 has an initial position and anti-secondary firing position, when described banking pin is positioned at its initial position, has certain interval between described operating handle 30 and described banking pin; When described banking pin was positioned at its anti-secondary firing position, described operating handle contacted described banking pin.
Described ejector pin bar 115 has an initial position and a percussion position, and described operating handle can drive the firing position of ejector pin bar from the initial position of ejector pin bar to the ejector pin bar and move, and pulls the trigger to drive pushing slice of nail 105.The near-end of described ejector pin bar is provided with an ejector pin bar projection 1153, and when the initial position of banking pin, described ejector pin bar projection is located between described operating handle and the described banking pin; When the anti-secondary firing position of banking pin, described banking pin is located between described ejector pin bar projection and the described operating handle.
Described housing 101 comprise left shell 101a and with the symmetrically arranged right shell body 101b of described left shell 101a.Below only highlight left shell 101a.
In conjunction with shown in Figure 6, described left shell 101a comprises a grip part, and described left shell 101a is provided with the first baffle 1011a, the form installing hole, pointer bearing pin track groove 1015a, operating handle bearing pin installing hole 1017a, banking pin fixed axis 1019a, banking pin track groove 1021a, and the second baffle 1023a.
The described first baffle 1011a is near the near-end setting of described left shell 101a, and the described second baffle 1023a is near the far-end setting of described left shell 101a.
Described form installing hole, pointer bearing pin track groove 1015a, operating handle bearing pin installing hole 1017a, banking pin fixed axis 1019a, banking pin track groove 1021a are arranged between the described first baffle 1011a and the described second baffle 1023a.
The far-end of described left shell 101a also is provided with a housing connecting portion 1025a, so that described housing 101 can be connected with described nail tube 103 by retainer ring 102.
Wherein, described form installing hole is arranged on the grip part between described first baffle and the pointer bearing pin track groove 1015a.Described pointer bearing pin track groove 1015a is arranged between described form installing hole and the described operating handle bearing pin installing hole 1017a.
The operating handle pin 117 of can pegging graft on the described operating handle axle installing hole 1017a, described operating handle pin 117 passes pin-and-hole 3031 and the described operating handle axle installing hole 1017a on the operating handle 30, and described operating handle 30 pivotally is connected with described housing 101.
The structure of described operating handle 30, with and will be specifically introduced in conjunction with Figure 11, Figure 12, Figure 15, Figure 16 following with the matching relationship of pointer member 111, banking pin 113, ejector pin bar 115.
Described pointer bearing pin track groove 1015a is a track groove that extends along the y direction of tubular type anastomat, and its pointer bearing pin 1115 that can hold pointer member 111 slides within it.
Described pointer bearing pin track groove 1015a is parallel to the longitudinal axis of described tubular type anastomat.
Described pointer bearing pin track groove 1015a has near-end end points and a far-end end points one by one.When the described near-end end points of described pointer bearing pin 1115 contacts, do not produce active force between described operating handle 30 and the described pointer bearing pin, namely described pointer member can not hinder the motion of described handle, at this moment, can squeeze grip pull the trigger; When described pointer bearing pin 1115 leaves the near-end end points or be positioned at described far-end end points, if press described handle, described pointer member can hinder the motion of described handle, but when being apparatus no show firing position, press described operating handle 30, described operating handle 30 applies a pressure to described pointer bearing pin.
Being provided with the pointer elastic component between the described first baffle 1011a and the described pointer member 111 is pointer spring 119, and described pointer spring 119 is in compressive state against the described first baffle 1011a and described pointer member 111.
The structure of described pointer member 111, with and will be specifically introduced in conjunction with Fig. 7, Fig. 8, Fig. 9, Figure 15, Figure 16 following with the matching relationship of operating handle 30, banking pin 113.
Described banking pin track groove 1021a is an arcuate groove, and its braking pin shaft 1135 that can hold banking pin 113 is mobile within it.
This braking pin shaft track groove 1021a has one first extreme position and one second extreme position, and described first extreme position is arranged at the far-end of described banking pin track groove/apparatus with respect to described second extreme position.
When first extreme position of described banking pin 113 close described banking pin track groove 1021a, has certain interval between described operating handle and described banking pin; When second extreme position of the close described banking pin track groove of described banking pin, described operating handle contacts described banking pin.
Banking pin fixed axis 1019a can cooperate with connecting hole 1133 pivots of described banking pin 113, makes that described banking pin 113 is axis swing with described banking pin fixed axis 1019a, drives described braking pin shaft 1135 and moves in described banking pin track groove 1021a.
The structure of described banking pin 113, with and will be specifically introduced in conjunction with Figure 10, Figure 15, Figure 16 following with the matching relationship of operating handle 30, pointer member 111 and ejector pin bar 115.
The described second baffle 1023a cooperates with the ejector pin bar boss 1151 that described ejector pin bar 115 is provided with, and lays ejector pin bar elastic component, preferred ejector pin bar spring 121.The described described second baffle 1023a of ejector pin bar spring 121 1 end in contact and its other end contact described ejector pin bar boss 1151.
Described ejector pin bar 115 has an initial position and a percussion position, and when described ejector pin bar was positioned at its firing position, described ejector pin bar elastic component was that ejector pin bar spring 121 replys the power of initial position for described ejector pin bar one.
The structure of described ejector pin bar 115, with and will be specifically introduced in conjunction with Figure 13, Figure 14, Figure 15, Figure 16 following with the matching relationship of operating handle 30 and banking pin 113.
In conjunction with Fig. 1, shown in Figure 7, in this utility model one embodiment, described pointer member 111 is installed in the housing 101.It comprises the pointer main body 1111 of a hollow, and described pointer main body 1111 is sheathed on the described drive screw 109.
The end face of the near-end of this pointer main body 1111 is provided with and holds or the boss 1112 of sheathed pointer spring 119, to guarantee that the pointer main body cooperates better with the pointer spring, flange 1091 butts on the far-end of this pointer main body 1111 and the described drive screw 109 make described pointer spring 119 can drive described pointer main body 1111 along with the far-end of described drive screw 109 to described tubular type anastomat moves.
Adjutage 1114 and following adjutage 1116 on the extending respectively up and down of the far-end of described pointer main body 1111.
Also be provided with indicatrix 1113 on the described pointer main body 1111.Described indicatrix is a ring-type, and protrudes from the sidewall setting of described pointer main body 1111, and certainly, the position of described indicatrix arranges and can change according to the position of form installing hole is different, and described indicatrix also can be arranged on the adjutage of pointer.
The described end of going up adjutage 1114 is provided with the pointer bearing pin 1115 that can cooperate with the pointer bearing pin track groove of left and right housing 101a, 101b.Described pointer bearing pin 1115 is arranged in the pointer bearing pin track groove of left and right housing 101a, 101b movably, and can be driven by described knob assembly 40, reach the far-end end points from the near-end endpoint location of described pointer bearing pin track groove, also can arrive the near-end end points from the far-end end points of described pointer bearing pin track groove.
When the described near-end end points of described pointer bearing pin 1115 contacts, described operating handle can described relatively housing swing, acts on the firing position of described ejector pin bar from the initial position of ejector pin bar to the ejector pin bar and moves; When described pointer bearing pin 1115 leaves the near-end end points or be positioned at described far-end end points, if press described handle, described pointer member can hinder the motion of described handle, but when being apparatus no show firing position, press described operating handle 30,, described operating handle described relatively housing all the time keeps static, the generation of avoiding mistake to pull the trigger the apparatus situation.
Described knob assembly 40 also can act on described drive screw 109 and drive described pointer main body 1111 and move to the near-end of described tubular type anastomat.
The described end of adjutage 1116 down is provided with pointer extension 1117.
The distal face of described pointer extension 1117 has an inclined-plane at least, moves in the banking pin track groove of left and right housing 101a, 101b so that it promotes described banking pin 113.Particularly, the contact surface of described pointer extension and described banking pin is one to the inclined-plane that extends away from the banking pin direction.
Described pointer extension 1117 can promote described banking pin 113 and be moved to its initial position by its anti-secondary firing position.
Preferably, also comprise form 1119, described form 1119 can be installed in the form installing hole of housing, and the operator can see through this form 1119 and check the position of described indicatrix 1113.But described pointer member 111 comprises a firing position and a safety position, views described indicatrix 1113 and is in can pull the trigger the zone time when seeing through this form 1119, and the expression apparatus arrives can pull the trigger state; Can not view described indicatrix 1113 or described indicatrix 1113 and do not arrive not pull the trigger the zone time when seeing through this form 1119, then represent this pointer member and be in safety position, can not pull the trigger.
As Fig. 8, shown in Figure 9, in another embodiment of this utility model, described pointer member 111 is installed in the housing 101.It comprises the pointer main body 1111 of a hollow, and described pointer main body 1111 can be sheathed on the described drive screw 109.
The end face of the near-end of this pointer main body 1111 is provided with and holds or the boss 1112 of sheathed pointer spring 119, to guarantee that the pointer main body cooperates better with the pointer spring, flange 1091 butts on the far-end of this pointer main body 1111 and the described drive screw 109 make described pointer spring 119 can drive described pointer main body along with the far-end of described drive screw 109 to described tubular type anastomat moves.
Also be provided with the guide pad 1123 of main body latch hook 1121 and hollow on the described pointer main body 1111.
Described guide pad 1123 can cooperate housing 101 to keep this pointer member 111 mobile stably in described housing 101.
Described pointer member 111 also comprises an extension spring 1125 and a lock dog 1127.
Described lock dog 1127 is provided with pointer bearing pin 1115.In the pointer bearing pin track groove that is arranged at described left and right housing 101a, 101b of these pointer bearing pin 1115 activities, and can be driven by described knob assembly 40, reach the far-end end points from the near-end endpoint location of described pointer bearing pin track groove, also can arrive the near-end end points from the far-end end points of described pointer bearing pin track groove.
When the described near-end end points of described pointer bearing pin 1115 contacts, described operating handle can described relatively housing swing, acts on the firing position of described ejector pin bar from the initial position of ejector pin bar to the ejector pin bar and moves; When described pointer bearing pin 1115 leaves the near-end end points or be positioned at described far-end end points, if press described handle, described pointer member can hinder the motion of described handle, but when being apparatus no show firing position, press described operating handle 30,, described operating handle described relatively housing all the time keeps static, the generation of avoiding mistake to pull the trigger the apparatus situation.
Described lock dog 1127 passes described guide pad 1123, and is connected with described main body latch hook 1121 by extension spring 1125.Preferably, described lock dog 1127 is provided with a lock dog latch hook 1129, and these extension spring 1,125 one ends connect described main body latch hook 1121, and the other end connects this lock dog latch hook 1129.
But described lock dog 1127 comprises firing position and safety position, but when described firing position, does not produce active force between described operating handle and the described lock dog, and namely described lock dog can not hinder the motion of described operating handle, and squeeze grip can be pulled the trigger apparatus; When described safety position, if press described handle, described pointer member can hinder the motion of described handle, and namely described operating handle applies a pressure to described lock dog, can't pull the trigger, and avoids the generation of mistake percussion.
The described end of adjutage 1116 down also is provided with pointer extension 1117.
The distal face of described pointer extension 1117 has an inclined-plane at least, moves in the banking pin track groove of left and right housing 101a, 101b so that it promotes described banking pin 113.Particularly, the contact surface of described pointer extension and described banking pin is one to the inclined-plane that extends away from the banking pin direction.
Described pointer extension 1117 can promote described banking pin 113 and be moved to its initial position by its anti-secondary firing position.
Preferably, described pointer member 111 also comprises form 1119, and described form 1119 can be installed in the form installing hole of housing, and the operator can see through this form 1119 and check the position of described indicatrix 1113.View described indicatrix 1113 and be positioned to pull the trigger the zone time when seeing through this form 1119, then represent this apparatus arrival and can pull the trigger state, can not view described indicatrix 1113 or described indicatrix 1113 and do not arrive not pull the trigger the zone time when seeing through this form 1119, then represent this apparatus and be in safety position, can not pull the trigger.
So, by latch hook, extension spring, lock dog are set, even if make the operator under the situation of unconsciously holding operating handle 30, but pointer body 1111 still can move to firing position along with the flange 1091 on the drive screw 109, and the pointer bearing pin 1115 on the lock dog 1127 still can prop up operating handle 30.Until operator's unclamp operation handle 30, lock dog 1127 resilience under the effect of extension spring 1125, but after making described lock dog also arrive firing position, just can press operating handle and finish percussion.Overcome in the prior art, when the operator is unconsciously holding operating handle 30 rotary knob assemblies 40, but and pointer body 1111 when having arrived firing position, unconscious percussion apparatus and the generation of the malpractice that causes; Can avoid also that the operator is unconsciously holding operating handle 30 in the prior art, rotary knob assembly 40, pointer is propped up and can't move by operating handle, but the operator thinks when arriving firing position, continuation firmly pressing operation handle is pulled the trigger, then may cause insurance to be damaged, thereby cause apparatus can not normally use or pull the trigger not exclusively.
As Fig. 1, shown in Figure 10, in this utility model one embodiment, described banking pin 113 comprises a movable part 1131, and the two ends of described movable part 1131 are provided with connecting hole 1133, and described movable part 1131 adopts elastomeric material to make.
Wherein, at described movable part 1131 wherein in the connecting hole, be inserted with braking pin shaft 1135, described braking pin shaft 1135 can cooperate with the banking pin track groove 1021a on left and right housing 101a, the 101b, and this banking pin 113 can be moved in described banking pin track groove.
When first extreme position of described banking pin 113 close described banking pin track grooves, described ejector pin bar projection 1153 is located between described operating handle and the described banking pin; When second extreme position of the close described banking pin track groove of described banking pin, described banking pin is located between described ejector pin bar projection and the described operating handle.
Described another connecting hole 1133 rotor ground connect the banking pin fixed axis 1019a on the left shell 101a.
When described banking pin 113 was positioned at the initial position of banking pin, described banking pin was near first extreme position of described banking pin track groove.
Movable part 1131 is equipped with an end of braking pin shaft 1135 can be against the ejector pin bar projection 1153 on the ejector pin bar 115, and after the apparatus percussion is finished, promote movable part 1131 by described ejector pin bar projection and in described banking pin track groove, move to described tubular type anastomat near-end.
When described banking pin 113 was positioned at the anti-secondary firing position of banking pin, described banking pin was near second extreme position of described banking pin track groove.
As shown in figure 11, in this utility model one embodiment, described operating handle 30 comprises handle portion 301, connecting portion 303.Described connecting portion 303 is provided with pin-and-hole 3031, the first conflict face 3033, the second conflict face 3035, and described handle portion 301 can be used for the operator and grips and press described handle portion 301 and move to described housing 101 directions.
The described operating handle 30 of installation of described bearing pin 3031 activity on described housing 101 for the handle bearing pin installing hole on cooperation left and right housing 101a, the 101b and operating handle pin 117.
The described first conflict face 3033 can play insurance function against the pointer bearing pin 1115 of described pointer member 111, and the described first conflict face is parallel with the longitudinal axis of described tubular type anastomat.
When described pointer member 111 contacts the near-end end points of described pointer bearing pin track groove, do not produce active force between the described first conflict face 3033 and the described pointer bearing pin 1115, be the motion that described pointer bearing pin can not hinder described operating handle, squeeze grip can be pulled the trigger apparatus; When described pointer member 111 is left the near-end end points of described pointer bearing pin track groove or is positioned at the far-end end points of described pointer bearing pin track groove, if press described handle, described pointer bearing pin 1115 can hinder the motion of described handle, be that described first conflict applies a pressure towards described pointer bearing pin, can't pull the trigger.
When but described pointer member 111 is positioned at described firing position, do not produce active force between the described first conflict face and the described pointer bearing pin; When described pointer member was positioned at safety position, described first conflicts applied a pressure towards described pointer bearing pin.
The described second conflict face 3035 can play anti-secondary percussion function against the movable part 1131 of described banking pin 113.The described second conflict face is L shaped, and its L shaped angle is right angle or acute angle.Preferably, as shown in figure 12, described L shaped angle is the excessive acute angle of circular arc.
The described first conflict face 3033 and the second conflict face 3035 are not coplanar.
Wherein, the described second conflict face 3035 is located at the described first conflict face 3033 belows, the i.e. longitudinal axis setting of more close described tubular type anastomat.The far-end of the more close described tubular type anastomat of the described relatively first conflict face 3033 of the described second conflict face 3035.
Preferably, connecting portion 303 is made as left-right symmetric and tool two parts at regular intervals, on each part, all is provided with pin-and-hole 3031, the first conflict face 3033 and the second conflict face 3035 accordingly.With the operating handle pin 117 of pegging graft respectively, on the pointer member 111 pointer bearing pin 1115 and banking pin 113 movable parts 1131 at adjutage 1114 two ends, and can avoid and described drive screw 109 and ejector pin bar 115 form and interfere.
As Figure 13, shown in Figure 14, in this utility model one embodiment, described ejector pin bar 115 is hollow structure, and it is sheathed on the described drive screw 109.Described ejector pin bar 115 comprises ejector pin bar projection 1153, ejector pin bar boss 1151, the ejector pin bar buckle 1155 that is set gradually to ejector pin bar far-end by ejector pin bar near-end.
Described ejector pin bar boss 1151 can cooperate second baffle compression ejector pin bar spring 121 on described left and right housing 101a, the 101b.Described ejector pin bar spring 121 is against described ejector pin bar boss and the described second baffle setting, and when described ejector pin bar 115 was positioned at its firing position, described ejector pin bar spring 121 replied the power of its initial position for described ejector pin bar one.
Described ejector pin bar projection 1153 can cooperate the movable part 1131 of banking pin 113 to play anti-secondary percussion function.When the initial position of described banking pin 113, the contact surface of described ejector pin bar projection and described banking pin is an arcwall face or to the inclined-plane that extends away from the banking pin direction.When the anti-secondary firing position of described banking pin, the contact surface of described ejector pin bar projection and described banking pin is one to the inclined-plane that extends away from the banking pin direction.
When the initial position of banking pin 113, described ejector pin bar projection 1153 contacts described banking pin near the one side of described tubular type anastomat far-end, and described ejector pin bar projection 1153 is located between described operating handle 30 and the described banking pin 113; When the anti-secondary firing position of banking pin, described ejector pin bar projection contacts described banking pin near the one side of described tubular type anastomat near-end, and described banking pin is located between described ejector pin bar projection and the described operating handle.
This ejector pin bar buckle 1155 can connect described pushing slice of nail 105.
Between described ejector pin bar projection 1153 and described ejector pin bar boss 1151, also be provided with for the mating surface 1157 against described operating handle 30, so that described operating handle 30 can be when pressing, driving described ejector pin bar 115 moves to the far-end of described tubular type anastomat, compress described ejector pin bar spring 121, act on pushing slice of nail 105 simultaneously and pull the trigger.
The operation principle of tubular type anastomat of the present utility model is:
As shown in figure 15, when described tubular type anastomat is positioned at original state, the pointer bearing pin 1115 of described pointer member 111 is arranged in the pointer bearing pin track groove of described left and right housing 101a, 101b, and be in the position of the near-end end points that leaves pointer bearing pin track groove, and cooperate with first baffle of described housing, compress described pointer spring 119.
Described banking pin 113 is installed in the described housing, and its braking pin shaft 1135 is positioned at the banking pin track groove of described housing 101, and described banking pin 113 is near first extreme position of described banking pin track groove.At this moment, described banking pin is positioned at initial position.
The ejector pin bar projection 1153 of described ejector pin bar 115 is located between described banking pin 113 movable parts 1131 and the described operating handle second conflict face 3035.
Turning knob assembly 40, slow screw thread and fast screw thread drive drive screw 109 move ahead to the far-end of described tubular type anastomat.
Simultaneously, pointer spring 119 push pointer main bodys 1111 move ahead to the far-end of described tubular type anastomat, and described pointer bearing pin 1115 makes operating handle 30 to press down against the first conflict face 3033 of described operating handle, plays safety effect.
Pressing operating handle 30 pulls the trigger, after operating handle 30 drives ejector pin bars 115 and moves and tissue coincide, cuts to the apparatus far-end, unclamp operation handle 30, described ejector pin bar spring 121 drive described ejector pin bar boss 1151 ejector pin bar 115 are automatically reset.Simultaneously, described ejector pin bar projection 1153 pushes back the movable part 1131 of described banking pin 113, to " anti-secondary firing position ", as shown in figure 16, described banking pin 113 is near second extreme position of described banking pin track groove, be the movable part 1131 of described banking pin 113 between the second conflict face 3035 of described ejector pin bar projection 1153 and described operating handle 30, described banking pin is positioned at its anti-secondary firing position, prevents from pressing again operating handle secondary percussion apparatus.
If will pull the trigger next time, can pass through turning knob assembly 40, slow screw thread and fast screw thread drive drive screw 109 move ahead to the far-end of described tubular type anastomat.Simultaneously, pointer spring 119 push pointer main bodys 1111 move ahead to the far-end of described tubular type anastomat, the movable part 1131 that the pointer extension 1117 of pointer member promotes described banking pin 113 moves in described banking pin track groove, by its anti-secondary firing position to its initial position.And the repetition above-mentioned steps, can finish percussion next time.
To those skilled in the art, obviously this utility model is not limited to the details of above-mentioned one exemplary embodiment, and under the situation that does not deviate from spirit of the present utility model or basic feature, can realize this utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, therefore is intended to include in this utility model dropping on the implication that is equal to important document of claim and all changes in the scope.Any Reference numeral in the claim should be considered as limit related claim.
In addition, be to be understood that, though this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description only is for clarity sake, those skilled in the art should make description as a whole, and the technical scheme among each embodiment also can form other embodiments that it will be appreciated by those skilled in the art that through appropriate combination.
Claims (12)
1. operating handle, the anastomat body of the pivotally connected tubular type anastomat of described operating handle, described tubular type anastomat comprise and are arranged at the intrinsic ejector pin bar of described anastomat, banking pin;
It is characterized in that, described operating handle comprises the conflict face of conflicting with described banking pin, and described conflict face is L shaped, and its L shaped angle is the excessive acute angle of circular arc, when described conflict face was conflicted described banking pin, described tubular type anastomat was in anti-secondary percussion state.
2. operating handle according to claim 1 is characterized in that, described banking pin has an initial position and an anti-secondary firing position, when described conflict face is positioned at its anti-secondary firing position at described banking pin, contacts described banking pin.
3. operating handle according to claim 2 is characterized in that, described ejector pin bar comprises an ejector pin bar projection, and when described banking pin was positioned at its anti-secondary firing position, described banking pin was located between described ejector pin bar projection and the described operating handle conflict face.
4. operating handle according to claim 1, it is characterized in that, described tubular type anastomat also comprises a pointer member, described operating handle also comprises another conflict face, but described pointer member comprises a firing position and a safety position, when but described pointer member is positioned at its firing position, do not produce active force between described another conflict face and the described pointer bearing pin; When described pointer member was positioned at its safety position, described another conflict applied a pressure towards described pointer bearing pin.
5. operating handle according to claim 1, it is characterized in that, described anastomat body is provided with a pointer bearing pin track groove, described pointer member connects described pointer bearing pin track groove movably, described pointer bearing pin track groove has near-end end points and far-end end points, when described pointer member contacts described near-end end points, do not produce active force between another conflict face of described operating handle and the described pointer bearing pin; When described pointer member was left described near-end end points or be positioned at described far-end end points, another conflict of described operating handle applied a pressure towards described pointer bearing pin.
6. according to each described operating handle in the claim 1 to 5, it is characterized in that another conflict face of described operating handle is parallel with the longitudinal axis of described tubular type anastomat.
7. tubular type anastomat comprises:
The operating handle of anastomat body, pivotally connected described anastomat body is arranged at the intrinsic ejector pin bar of described anastomat, banking pin;
It is characterized in that, described operating handle comprises the conflict face of conflicting with described banking pin, and described conflict face is L shaped, and its L shaped angle is the excessive acute angle of circular arc, when described conflict face was conflicted described banking pin, described tubular type anastomat was in anti-secondary percussion state.
8. tubular type anastomat according to claim 7 is characterized in that, described banking pin has an initial position and an anti-secondary firing position, when described conflict face is positioned at its anti-secondary firing position at described banking pin, contacts described banking pin.
9. tubular type anastomat according to claim 8, it is characterized in that, described ejector pin bar comprises an ejector pin bar projection, and when described banking pin was positioned at its anti-secondary firing position, described banking pin was located between described ejector pin bar projection and the described operating handle conflict face.
10. tubular type anastomat according to claim 7, it is characterized in that, described tubular type anastomat also comprises a pointer member, described operating handle also comprises another conflict face, but described pointer member comprises a firing position and a safety position, when but described pointer member is positioned at its firing position, do not produce active force between described another conflict face and the described pointer bearing pin; When described pointer member was positioned at its safety position, described another conflict applied a pressure towards described pointer bearing pin.
11. tubular type anastomat according to claim 7, it is characterized in that, described anastomat body is provided with a pointer bearing pin track groove, described pointer member connects described pointer bearing pin track groove movably, described pointer bearing pin track groove has near-end end points and far-end end points, when described pointer member contacts described near-end end points, do not produce active force between another conflict face of described operating handle and the described pointer bearing pin; When described pointer member was left described near-end end points or be positioned at described far-end end points, another conflict of described operating handle applied a pressure towards described pointer bearing pin.
12. according to each described tubular type anastomat in the claim 7 to 11, it is characterized in that another conflict face of described operating handle is parallel with the longitudinal axis of described tubular type anastomat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732604 CN203029305U (en) | 2012-12-27 | 2012-12-27 | Operation handle and round pipe type anastomat with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732604 CN203029305U (en) | 2012-12-27 | 2012-12-27 | Operation handle and round pipe type anastomat with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203029305U true CN203029305U (en) | 2013-07-03 |
Family
ID=48681454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220732604 Withdrawn - After Issue CN203029305U (en) | 2012-12-27 | 2012-12-27 | Operation handle and round pipe type anastomat with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203029305U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142276A (en) * | 2012-12-27 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Operating handle and tubular anastomat with same |
| WO2014101775A1 (en) * | 2012-12-27 | 2014-07-03 | 苏州天臣国际医疗科技有限公司 | Circular stapler |
| CN109953791A (en) * | 2017-12-26 | 2019-07-02 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler including it |
-
2012
- 2012-12-27 CN CN 201220732604 patent/CN203029305U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142276A (en) * | 2012-12-27 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Operating handle and tubular anastomat with same |
| WO2014101775A1 (en) * | 2012-12-27 | 2014-07-03 | 苏州天臣国际医疗科技有限公司 | Circular stapler |
| CN103142276B (en) * | 2012-12-27 | 2016-02-17 | 苏州天臣国际医疗科技有限公司 | Operating handle and be provided with the circular-pipe anastomat of this operating handle |
| CN109953791A (en) * | 2017-12-26 | 2019-07-02 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler including it |
| CN109953791B (en) * | 2017-12-26 | 2024-03-15 | 天臣国际医疗科技股份有限公司 | Handle assembly and anastomat comprising same |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130703 Effective date of abandoning: 20160217 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |