CN212996657U - Blood vessel puncher with novel handle - Google Patents
Blood vessel puncher with novel handle Download PDFInfo
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- CN212996657U CN212996657U CN202020431125.0U CN202020431125U CN212996657U CN 212996657 U CN212996657 U CN 212996657U CN 202020431125 U CN202020431125 U CN 202020431125U CN 212996657 U CN212996657 U CN 212996657U
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Abstract
The utility model relates to a medical device, and provides a blood vessel puncher with a novel handle, which comprises a handle; the handle comprises a sleeve and a lifting handle positioned at the end part of the sleeve, the handle is sleeved on the outer tube through the sleeve, and the spring cotter pin penetrates through the outer tube and is fixedly connected with the sleeve; the bending degree of the lifting handle is more than 80 degrees and less than 100 degrees; the arc length of the axis of the lifting handle is more than 45mm and less than 50 mm; the bending direction of the lifting handle is opposite to the lifting direction of the hand; the lifting handle is obliquely arranged on the sleeve; the utility model discloses a combining human engineering to carry the handle to the handle and going on from new design, the unique design of inner arc accords with human mechanics structural design more, pastes the finger face more, and the finger application of force is more comfortable, smooth, and the application of force is lighter, and the doctor of being convenient for more uses the operation, has overcome the problem that exists among the prior art, can satisfy the doctor's of different thickness fingers user demand.
Description
Technical Field
The utility model relates to a medical device, in particular to a blood vessel puncher with a novel handle.
Background
In the heart bypass surgery or other surgeries requiring blood vessel transplantation and grafting, a hole needs to be drilled in the grafted blood vessel wall for grafting the grafted blood vessel, and instruments for drilling the blood vessel wall are generally used: the blood vessel puncher has very high requirements on the shearing capacity of a product in view of the use condition of the blood vessel puncher, so that the puncher can smoothly shear a blood vessel wall and quickly form an aperture in the operation process, the phenomenon that the cut blood vessel wall is completely separated from the blood vessel and cannot be separated without fascia adhesion and the like is ensured, the transplanted blood vessel is conveniently and quickly connected with the punched blood vessel, and the operation time is reduced, so that the shearing capacity, the sharpness and the adhesion of the blood vessel puncher are improved, the core competition technology of the blood vessel puncher is provided, and the problem that the blood vessel puncher needs to be solved urgently is also provided;
particularly, one of the handles of the existing blood vessel puncher is a circular ring type handle, the handle cannot be used by doctors with thick fingers, the thick fingers cannot be inserted into the circular ring type handle, and the thin fingers cannot be inserted into the circular ring type handle, so that the hands of the doctors cannot apply force conveniently; one is a handle with straight inner side and short length, which is easy to press and slip; both handles affect the satisfaction of the doctor with the product.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blood vessel hole puncher with novel handle carries out from new design through combining human engineering to the handle of handle, and the unique design of inner arc accords with human mechanics structural design more, pastes the finger face more, and the finger application of force is more comfortable, smooth, and the application of force is lighter, and the doctor of being convenient for uses the operation more, has overcome the problem that exists among the prior art, can satisfy the doctor's of different thickness fingers user demand.
The technical scheme of the utility model is realized like this:
a vascular punch having a novel handle, comprising: the cutting device comprises a handheld part and a cutting structure, wherein the cutting structure is arranged on the handheld part;
the cutting structure comprises a cutting head and a cutter, the cutting head is sleeved in the cutter, the cutting head and the cutter are both connected with the handheld part, and the cutting head and the cutter are driven by the handheld part to cut the vascular wall;
the handheld part comprises an outer pipe, a pull rod, a spring split pin, a spring, a key connecting sleeve, a key and a handle;
the cutting head is detachably arranged at the end a of the pull rod, and the spring cotter pin is vertically sleeved at the end b of the pull rod;
the outer pipe is sleeved on the outer peripheral sides of the lengthened push column, the pull rod and the spring;
the cutter is sleeved on the inner side of the end c of the outer pipe, and the key is arranged at the end d of the outer pipe through the key connecting sleeve;
the spring is simultaneously in contact connection with the b end of the pull rod and the key connecting sleeve;
the handle comprises a sleeve and a lifting handle positioned at the end part of the sleeve, the handle is sleeved on the outer tube through the sleeve, and the spring cotter pin penetrates through the outer tube and is fixedly connected with the sleeve;
the bending degree of the lifting handle is more than 80 degrees and less than 100 degrees;
the arc length of the axis of the lifting handle is greater than 45mm and less than 50 mm;
the bending direction of the lifting handle is opposite to the lifting direction of the hand;
the lifting handle is obliquely arranged on the sleeve.
Furthermore, a spiral through hole groove is formed in the outer tube, the spring cotter pin penetrates through the spiral through hole groove to be fixedly connected with the handle, the handle drives the spring cotter pin to make spiral motion along the spiral through hole groove, and the spring cotter pin simultaneously drives the pull rod to make spiral motion relative to the outer tube;
the inclination direction of the lifting handle is opposite to the spiral direction of the spiral through hole groove;
the inclination angle of the lifting handle is the same as the spiral angle of the spiral through hole groove.
Furthermore, the cutter is of an integrally formed structure and comprises a shearing part and a connecting part which are sequentially arranged, and the cutter is sleeved in the handheld part in an interference manner through the connecting part;
a shearing inclined plane is arranged at the top end of the shearing part, a shearing platform is formed on the top surface of the shearing part, and a small-bevel shearing reinforcing surface is arranged between the shearing platform and the shearing inclined plane;
the shearing part with be provided with the spread groove between the connecting portion, be provided with leading-in inclined plane between shearing part and the spread groove, the spread groove with be provided with the right angle anticreep face between the connecting portion.
Further, the connecting parts are provided with one or more connecting grooves, and the connecting grooves are formed between every two connecting parts.
Furthermore, the cutting head is of an integrally formed structure and comprises a guiding head, a neck post, the lengthened push post and a clamp post which are sequentially connected, the clamp post is fixedly connected with the handheld part, and the lengthened push post is slidably connected with the handheld part;
the guiding head comprises a circular truncated cone platform and a circular ring cylinder platform, the circular ring cylinder platform is positioned on the lower bottom of the circular truncated cone platform, a circular truncated cone through hole is formed in the circular ring cylinder platform, and the neck post penetrates through the circular truncated cone through hole and then is connected with the circular truncated cone platform;
a cutting edge is formed between the lower bottom and the side surface of the circular cylinder platform, and a cutting edge platform is formed at the lower bottom of the circular cylinder platform; the cutter is sleeved on the outer periphery of the lengthened push column in a sliding mode, and the blade edge is matched with the cutter to cut the vascular wall.
Furthermore, the cutting head is detachably arranged at the end a of the pull rod through the clamp column;
the cutter is detachably fixedly sleeved on the inner side of the end c of the outer tube.
Further, the taper of the through hole of the circular truncated cone body is the same as that of the platform of the circular truncated cone body.
Further, the cutter and the outer tube are in interference fit.
Furthermore, the key connecting sleeve is glued on the outer pipe.
The utility model discloses a combining human engineering to carry the handle to the handle and going on from new design, the unique design of inner arc accords with human mechanics structural design more, pastes the finger face more, and the finger application of force is more comfortable, smooth, and the application of force is lighter, and the doctor of being convenient for more uses the operation, has overcome the problem that exists among the prior art, can satisfy the doctor's of different thickness fingers user demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for a customer of ordinary skill in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a cross-sectional view of a blood vessel punch with a novel handle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of another angle of construction of the vascular punch with the novel handle of FIG. 1;
FIG. 3 is a schematic view of the handle of the blood vessel punch with the novel handle of FIGS. 1 and 2;
FIG. 4 is a schematic structural view of an outer tube with a spiral through-hole groove of the blood vessel punch with the novel handle shown in FIGS. 1 and 2;
FIG. 5 is a perspective view of the outer tube of FIG. 4 with the spiral through-hole slots;
FIG. 6 is a schematic view of the cutting blade of the vascular punch with the novel cutting blade shown in FIGS. 1 and 2;
FIG. 7 is a structural cross-sectional view of the cutter shown in FIG. 6;
FIG. 8 is a cross-sectional view of the cutting head of the blood vessel punch with the novel handle shown in FIGS. 1 and 2;
fig. 9 is an enlarged view of the structure at a of the cutting head shown in fig. 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the embodiment of the present invention, as shown in fig. 1-9, the blood vessel perforator with the novel handle comprises a handheld portion 2 and a cutting structure 1, wherein the cutting structure 1 is mounted on the handheld portion 2;
the cutting structure 1 comprises a cutting head 11 and a cutter 12, the cutting head 11 is sleeved in the cutter 12, the cutting head 11 and the cutter 12 are both connected with the handheld part 2, and the cutting head 11 and the cutter 12 are driven by the handheld part 2 to cut the vascular wall;
the hand-held part 2 comprises an outer tube 21, a pull rod 22, a spring split pin 24, a spring 26, a key connecting sleeve 27, a key 28 and a handle 23;
the cutting head 11 is detachably arranged at the end a of the pull rod 22, and the spring cotter pin 24 is vertically sleeved at the end b of the pull rod 22;
the outer tube 21 is simultaneously sleeved on the outer peripheral sides of the lengthened push column 113, the pull rod 22 and the spring 26;
the cutter 12 is sleeved at the inner side of the end c of the outer tube 21, and the key 28 is arranged at the end d of the outer tube 21 through the key connecting sleeve 27;
the spring 26 is simultaneously in contact connection with the end b of the pull rod 22 and the key connecting sleeve 27;
the handle 23 comprises a sleeve 231 and a lifting handle 232 positioned at the end part of the sleeve 231, the handle 23 is sleeved on the outer tube 21 through the sleeve 231, and the spring cotter pin 24 penetrates through the outer tube 21 and is fixedly connected with the sleeve 231;
the bending degree of the lifting handle 232 is more than 80 degrees and less than 100 degrees;
the arc length of the axis of the lifting handle 232 is greater than 45mm and less than 50 mm;
the bending direction of the lifting handle 232 is opposite to the lifting direction of the human hand;
the lifting handle is obliquely arranged on the sleeve;
the length that ordinary blood vessel hole puncher carried the handle is shorter, the camber is less, can't satisfy the thick doctor of finger and use, this application combines the human mechanics structural design to carry the camber of handle 232, the arc length carries out rational design, make the inboard of carrying handle 232 paste the finger face more, the finger application of force is more comfortable, smooth, the problem of current blood vessel hole puncher circle handle unable satisfy the doctor's that the finger thickness is different demand has been overcome, the structure of handle is handsome more, be applicable to industrial application more.
In the embodiment of the present invention, as shown in fig. 1-9, a spiral through hole groove 211 is formed on the outer tube 21, the spring cotter pin 24 passes through the spiral through hole groove 211 to be fixedly connected with the handle 23, the handle 23 drives the spring cotter pin 24 to make a spiral motion along the spiral through hole groove 211, and the spring cotter pin 24 simultaneously drives the pull rod 22 to make a spiral motion relative to the outer tube 21;
after setting up spiral through-hole groove 211, when exerting the power to the handle, after spring split pin 24 was given in the transmission to the handle, spring split pin 24 can only move about according to spiral through-hole groove 211 on the outer tube 21, so spring split pin 24 makes helical motion to drive the crop and make helical motion, the crop is the spiral shearing with the shearing of cutter, makes the shearing ability obtain promoting by a wide margin.
In the embodiment of the present invention, as shown in fig. 1 to 9, the inclination direction of the lifting handle 232 is opposite to the spiral direction of the spiral through hole groove 211;
the inclination angle of the lifting handle 232 is the same as the spiral angle of the spiral through hole groove 211;
when the cutting head 11 is pulled outwards, the spiral through hole groove 211 is formed, so that the spring cotter pin 24 can move along the direction of the spiral through hole groove 211 to further drive the handle 23 to move synchronously, namely the handle 23 can carry out spiral motion relative to the outer tube 21, the use habit of a common person is that the index finger and the middle finger are perpendicular to the lifting handle 232 to lift the lifting handle 232 upwards, at the moment, the spiral motion of the handle 23 can drive the hand to carry out corresponding spiral motion, at the moment, the lifting force of the index finger and the middle finger can be seriously influenced, and the lifting force is unstable;
after the lifting handle 232 is obliquely arranged, in the movement process of the lifting handle 232, the force transformation of the index finger and the middle finger accords with ergonomics, the influence on the spiral movement is avoided, namely, the change of the lifting force is not influenced, and the lifting is more stable.
In the embodiment of the present invention, as shown in fig. 1-9, the cutter 12 is an integrally formed structure and includes a cutting portion 121 and a connecting portion sequentially arranged;
the top end of the shearing part 121 is provided with a shearing inclined plane 1213, the top surface of the shearing part 121 forms a shearing platform 1211, a small bevel shearing reinforcing surface 1212 is arranged between the shearing platform 1211 and the shearing inclined plane 1213, during machining, the shearing platform 1211 and the shearing inclined plane 1213 are machined firstly, then the small bevel shearing reinforcing surface 1212 is machined between the shearing platform 1211 and the shearing inclined plane 1213, burrs are removed while the small bevel shearing reinforcing surface 1212 is machined, the burrs do not need to be removed independently, the phenomena that burrs are difficult to remove, the burrs are easy to damage the cutting edge when being removed, the cutting edge is damaged, the shearing is unsmooth and the virtual edge is generated by the conventional cutter with an acute angle are overcome, and meanwhile, the strength and the shearing capability of the;
one or more, specifically 2, connecting parts 122 and 122' can be arranged on the connecting part, so that the connecting length between the connecting part and the outer pipe 21 can be effectively increased after the connecting parts are arranged, and the stability of structural connection is ensured;
a connecting groove 123 is arranged between the cutting part 121 and the connecting part 122, and a connecting groove 123 'is arranged between the connecting part 122 and the connecting part 122';
a lead-in inclined plane 124 is arranged between the shearing part 121 and the connecting groove 123, and a right-angle anti-falling surface 125 is arranged between the connecting groove 123 and the connecting part 122;
a coupling groove 123 ' is formed between the coupling portion 122 and the coupling portion 122 ', a lead-in slope 126 is provided between the coupling portion 122 and the coupling groove 123 ', and a right-angle escape preventing surface 127 is provided between the coupling groove 123 ' and the coupling portion 122 '.
The end of the connecting portion 122' is provided with a lead-in slope 128;
after the leading-in inclined plane 124, the leading-in inclined plane 126 and the leading-in inclined plane 128 are arranged, when the cutter 12 is inserted, the cutter is slowly inserted along the inclined planes, so that the cutter is more smoothly inserted;
after the right-angle anti-slip surface 125 and the right-angle anti-slip surface 127 are arranged, when the cutter 12 moves away from the outer tube, the right-angle edge can be clamped into the inner wall of the outer tube 21 to form an inverted buckle structure, and the cutter 12 is effectively prevented from slipping when being away from the outer tube.
In the embodiment of the present invention, as shown in fig. 1 to 8, the cutting knife 12 is sleeved in the hand-held portion 2 by the connecting portion 122;
the interference connection structure is more stable, and the insertion guiding function of the lead-in inclined surfaces 124, 126 and 128 and the anti-slip function of the right-angle anti-slip surface 125 and the right-angle anti-slip surface 127 can be greatly exerted.
In the embodiment of the present invention, as shown in fig. 1-9, the cutting head 11 is an integrally formed structure and includes a guiding head 111, a neck pillar 112, an elongated pushing pillar 113 and a clamp pillar 114, which are connected in sequence, the clamp pillar 114 is fixedly connected to the handheld portion 2, and the elongated pushing pillar 113 is slidably connected to the handheld portion 2;
the lead-in head 111 comprises a circular truncated cone platform 1111 and a circular ring cylinder platform 1114, the circular ring cylinder platform 1114 is positioned on the lower bottom of the circular truncated cone platform 1111, a circular truncated cone 1115 through hole is formed in the circular ring cylinder platform 1114, the neck post 112 penetrates through the circular truncated cone 1115 and then is connected with the circular truncated cone platform 1111, namely a circular truncated cone groove is formed between the neck post 112 and the circular ring cylinder platform 1114, namely the position indicated by the circular truncated cone 1115;
a knife edge 1112 is formed between the lower bottom and the side surface of the circular cylindrical platform 1114, and a knife edge platform 1113 is formed at the lower bottom of the circular cylindrical platform 1114; the cutter 12 is sleeved on the outer periphery of the lengthened push column 113 in a sliding manner, and the blade edge 1112 is matched with the cutter 12 to cut the vessel wall;
after the truncated cone-shaped groove is arranged, when the cutter 12 is matched with the cutting head 11 for shearing, the truncated cone-shaped groove cannot be contacted with a blood vessel wall, a wall hollow structure is formed, a shearing edge angle on the outer side can be effectively protruded, and the shearing capacity is effectively improved compared with a puncher without a groove;
meanwhile, a cutting edge platform 1113 is formed between the circular truncated cone-shaped groove and the outer peripheral side of the circular cylindrical platform 1114, the cutting edge platform 1113 is small, the shearing capacity of the outer cutting edge during shearing cannot be influenced, the cutting edge strength is enhanced, and the problems that a sharp cutting edge is weak in strength, a virtual cutter is easy to generate, the cutting edge is easy to deform, a rolling cutter cannot be used and the like are solved.
In the embodiment of the present invention, as shown in fig. 1-9, the cutting head 11 is detachably mounted to the end a of the pull rod 22 through the clamp post 114;
the cutter 12 is detachably fixed to the inner side of the end c of the outer tube 21.
In the embodiment of the present invention, as shown in fig. 1-9, the taper of the through hole 1115 is the same as the taper of the platform 1111.
In the embodiment of the present invention, as shown in fig. 1-9, the cutter 12 is in interference fit with the outer tube 21.
In the embodiment of the present invention, as shown in fig. 1-9, the key connecting sleeve 27 is glued to the outer tube 21.
In the embodiment of the utility model, see fig. 1-9, in operation, at first cut the cross mouth on the vascular wall (the diameter of cross mouth is less than the diameter in shaping hole), then insert crop 11 in the vascular wall, the button 28 is pressed to the thumb, forefinger and middle finger exert force to the handle, the handle will exert force through spring split pin 24, pull rod 22, spring post 25 transmits for crop 11, crop 11 returns and contracts, produce the shearing force with cutter 12, owing to set up spiral open slot 211, crop 11 is the spiral shearing with cutter 12's shearing, make the shearing capacity obtain promoting by a wide margin, crop 11 is cuted the vascular wall with the cooperation of cutter 12, accomplish the hole of shaping crop size, then loosen the application force to the handle, inside spring 26 pops out crop 11, accomplish whole action of punching.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A vascular punch having a novel handle, comprising: the cutting device comprises a handheld part and a cutting structure, wherein the cutting structure is arranged on the handheld part;
the method is characterized in that: the cutting structure comprises a cutting head and a cutter, the cutting head is sleeved in the cutter, the cutting head and the cutter are both connected with the handheld part, and the cutting head and the cutter are driven by the handheld part to cut the vascular wall;
the handheld part comprises an outer pipe, a pull rod, a spring split pin, a spring, a key connecting sleeve, a key and a handle;
the cutting head is detachably arranged at the end a of the pull rod, and the spring cotter pin is vertically sleeved at the end b of the pull rod;
the outer pipe is sleeved on the outer peripheral sides of the lengthened push column, the pull rod and the spring;
the cutter is sleeved on the inner side of the end c of the outer pipe, and the key is arranged at the end d of the outer pipe through the key connecting sleeve;
the spring is simultaneously in contact connection with the b end of the pull rod and the key connecting sleeve;
the handle comprises a sleeve and a lifting handle positioned at the end part of the sleeve, the handle is sleeved on the outer tube through the sleeve, and the spring cotter pin penetrates through the outer tube and is fixedly connected with the sleeve;
the bending degree of the lifting handle is more than 80 degrees and less than 100 degrees;
the arc length of the axis of the lifting handle is greater than 45mm and less than 50 mm;
the bending direction of the lifting handle is opposite to the lifting direction of the hand;
the lifting handle is obliquely arranged on the sleeve.
2. The vessel punch with the novel handle of claim 1, further comprising: the outer tube is provided with a spiral through hole groove, the spring cotter pin penetrates through the spiral through hole groove to be fixedly connected with the handle, the handle drives the spring cotter pin to make spiral motion along the spiral through hole groove, and the spring cotter pin simultaneously drives the pull rod to make spiral motion relative to the outer tube;
the inclination direction of the lifting handle is opposite to the spiral direction of the spiral through hole groove;
the inclination angle of the lifting handle is the same as the spiral angle of the spiral through hole groove.
3. The vessel punch with the novel handle of claim 2, further comprising: the cutting knife is of an integrally formed structure and comprises a shearing part and a connecting part which are sequentially arranged, and the cutting knife is sleeved in the handheld part in an interference manner through the connecting part;
a shearing inclined plane is arranged at the top end of the shearing part, a shearing platform is formed on the top surface of the shearing part, and a small-bevel shearing reinforcing surface is arranged between the shearing platform and the shearing inclined plane;
the shearing part with be provided with the spread groove between the connecting portion, be provided with leading-in inclined plane between shearing part and the spread groove, the spread groove with be provided with the right angle anticreep face between the connecting portion.
4. The vessel punch with the novel handle of claim 3, further comprising: the connecting parts are provided with one or more connecting grooves, and the connecting grooves are formed between every two connecting parts.
5. The vessel punch with the novel handle of claim 4, further comprising: the cutting head is of an integrally formed structure and comprises a guiding head, a neck post, the lengthened push post and a clamp post which are sequentially connected, the clamp post is fixedly connected with the handheld part, and the lengthened push post is slidably connected with the handheld part;
the guiding head comprises a circular truncated cone platform and a circular ring cylinder platform, the circular ring cylinder platform is positioned on the lower bottom of the circular truncated cone platform, a circular truncated cone through hole is formed in the circular ring cylinder platform, and the neck post penetrates through the circular truncated cone through hole and then is connected with the circular truncated cone platform;
a cutting edge is formed between the lower bottom and the side surface of the circular cylinder platform, and a cutting edge platform is formed at the lower bottom of the circular cylinder platform; the cutter is sleeved on the outer periphery of the lengthened push column in a sliding mode, and the blade edge is matched with the cutter to cut the vascular wall.
6. The vessel punch with the novel handle of claim 5, further comprising: the cutting head is detachably arranged at the end a of the pull rod through the clamp column;
the cutter is detachably fixedly sleeved on the inner side of the end c of the outer tube.
7. The vessel punch with the novel handle of claim 5, further comprising: the taper of the through hole of the circular truncated cone body is the same as that of the platform of the circular truncated cone body.
8. The vessel punch with the novel handle of claim 1, further comprising: the cutter and the outer tube are in interference fit.
9. The vessel punch with the novel handle of claim 1, further comprising: the key connecting sleeve is glued on the outer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020431125.0U CN212996657U (en) | 2020-03-27 | 2020-03-27 | Blood vessel puncher with novel handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020431125.0U CN212996657U (en) | 2020-03-27 | 2020-03-27 | Blood vessel puncher with novel handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212996657U true CN212996657U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020431125.0U Active CN212996657U (en) | 2020-03-27 | 2020-03-27 | Blood vessel puncher with novel handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212996657U (en) |
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2020
- 2020-03-27 CN CN202020431125.0U patent/CN212996657U/en active Active
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