CN201578299U - Disposable fibrous ring stitching instrument - Google Patents
Disposable fibrous ring stitching instrument Download PDFInfo
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- CN201578299U CN201578299U CN2009202991982U CN200920299198U CN201578299U CN 201578299 U CN201578299 U CN 201578299U CN 2009202991982 U CN2009202991982 U CN 2009202991982U CN 200920299198 U CN200920299198 U CN 200920299198U CN 201578299 U CN201578299 U CN 201578299U
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Abstract
The utility model discloses a disposable fibrous ring stitching instrument which comprises an outer shell with a handle, a first hollow puncture needle and a second hollow puncture needle which pass through the outer shell, a puncture push rod and a puncture tension rod, a lead body sending part and a lead body receiving part, a lead body, a puncture needle spacing adjusting knob, a wrench and a shift fork fixed on one end of the wrench in the outer shell, a take-up knob, a brake component of a shift fork elastic body and a suture; one end of the suture is fixedly connected with the lead body, and the other end thereof is fixedly connected with the inner wall of the outer shell; a slipknot which is sleeved with the puncture tension rod is pre-knotted in the middle part of the suture; and the suture end which is fixedly sleeved with the lead body can pass through the slipknot with the movement of the puncture tension rod. The disposable fibrous ring stitching instrument can tie knots in a sleeve, is specially used for sewing fibrous rings in minimally invasive spinal discectomy, and is simple and safety to operate.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of disposable stiching instrument that can realize stitching to the fibrous ring wound in the vertebral column minimally invasive disc removal art.
Background technology
At present, the doctor is to adopt needle holder that tiny suture needle is clamped using suture needle to carry out wound when sewing up basically, and wound is being sewed up, and this mode is difficult to carry out at the limited positions of opereating specification such as narrow, depressions.For example, the common treatment scheme that is used for the treatment of the outstanding disease of lumbar vertebra keyboard is for carrying out the disc removal operation under MED, and its core procedure comprises that cutting periphery is the fibrous ring that concentric circular is arranged, and extracts the vertebral pulp of intervertebral disc central authorities; Because the position of fibrous ring is very dark, this operation need (the sleeve pipe regular size is diameter 1.8cm, long 12cm) be carried out in a tiny sleeve pipe; Obviously, the doctor can't hold at fibrous ring in so narrow and small sleeve pipe at all and be sewed up;
Owing to can't sew up to the fibrous ring of cutting, even the doctor is clean with Nuclectomy as far as possible, but still can cause the part patient after surgery its nucleus pulposus by wound outstanding and recurrence prolapse of lumbar intervertebral disc, relapse rate reaches about 25% clinically.
The utility model content
Embodiment of the present utility model is intended to overcome the defective of above-mentioned prior art, and a kind of disposable fibrous ring stiching instrument is provided, and can realize sewing up to the fibrous ring wound in the vertebral column minimally invasive disc removal art.
For achieving the above object, embodiment of the present utility model provides a kind of disposable fibrous ring stiching instrument, comprise that one has the shell of gripping handle and the first hollow puncture needle and the second hollow puncture needle that passes from described shell, the described first hollow puncture needle and the second hollow puncture needle are set up in parallel, and described shell offers first fluting passing of the described first hollow puncture needle and the second hollow puncture needle between the position; The outer wall of the described first hollow puncture needle and the second hollow puncture needle offers in opposite directions perforate at front end, in perforate to offer in opposite directions second fluting down to passing the position;
Described disposable fibrous ring stiching instrument also comprises: a puncture push rod and a puncture pull bar, and described puncture push rod is arranged in the first hollow puncture needle, and described puncture pull bar is arranged in the second hollow puncture needle; An one wire body unloading part and a wire body acceptance division, described wire body unloading part is arranged in the first hollow puncture needle and is fixed on the top of described puncture push rod, and described wire body acceptance division is arranged in the second hollow puncture needle and is fixed on the top of described puncture pull bar; One wire body, it is placed in the described first hollow puncture needle, is subjected to wire body unloading part pushing and withstanding to enter described wire body acceptance division and engaging from described perforate in opposite directions;
Described disposable fibrous ring stiching instrument also comprises: a puncture needle spacing adjusting knob, its swing arm passes shell and is resisted against the described first hollow puncture needle outer wall, by screwing or unscrew described puncture needle spacing adjusting knob the described first hollow puncture needle is slided along described first fluting, closing or away from the described second hollow puncture needle;
Described disposable fibrous ring stiching instrument also comprises a brake assemblies, it comprises: a spanner and be sleeved on the shift fork that described spanner is positioned at shell one end, the initial position of described shift fork front end replace respectively described puncture push rod and the puncture pull bar the bottom, pull described spanner can drive the described puncture push rod of described shift fork pushing and withstanding and the puncture pull bar move to the needle point direction; One take-up knob, described take-up knob is connected with described puncture pull bar by connecting line, by screwing described take-up knob, spurs described puncture pull bar and moves to described take-up knob direction; One shift fork elastomer, its two ends are cemented in respectively on described shift fork and the outer casing inner wall, resetting at described spanner drives described shift fork and breaks away under the situation of the first hollow puncture needle and the second hollow puncture needle outer wall, and described shift fork elastomer drives described shift fork and departs from the moving track of described puncture pull bar under the effect of described take-up knob;
Described disposable fibrous ring stiching instrument also comprises a stitching thread, described stitching thread one end is fixed on the described wire body, the other end is fixed in outer casing inner wall, described stitching thread middle part has a slip-knot that is socketed on the described puncture pull bar in advance, and the stitching line end that is fixed in described wire body can be along with the described slip-knot that moves through of puncture pull bar; And the stitching line end that described slip-knot drives at described wire body passes the back to be deviate from by described first fluting, and the stitching thread between described slip-knot and the thorn implantation site is deviate from by described second fluting respectively, finishes knotting.
Preferable, the described first hollow puncture needle and the described second hollow puncture needle most advanced and sophisticated curved is so that puncture.
Preferable, the outer wall of the described first hollow puncture needle and the described second hollow puncture needle is provided with scale and/or safety cock in the front end specified location, thrusts the degree of depth so that hold.
Preferable, described wire body unloading part is a jacking block, to the described wire body of the second hollow puncture needle direction pushing and withstanding; Described wire body acceptance division tool one groove, described groove can engage the wire body that described pushing and withstanding is come.
Preferable, described wire body is the spindle wire body that has empennage, the groove of described wire body acceptance division is the spindle accommodation space with holding section.
Preferable, described wire body unloading part and described wire body acceptance division are fixed on the top of described puncture push rod and described puncture pull bar respectively by elastic component.
Preferable, the described first hollow puncture needle is coated with positioning sleeve at shell with interior part, describedly decides sleeve surface and is extended with at least one location division, and described outer casing inner wall offers locating slot; Described location division is fastened in the described locating slot and moves horizontally, and makes the described first hollow puncture needle closing or away from the described second hollow puncture needle.
Preferable, described puncture push rod bottom is widened; And, the described first hollow puncture needle outer wall is the mobile space that the bottom is provided with vertical direction of widening of described puncture push rod, so that under the first hollow puncture needle closing or the different conditions away from the second hollow puncture needle, described shift fork front end all can be replaced described puncture push rod bottom.
Preferable, described spanner is positioned at the outer end of shell and is connected on the described shell by return springs, to realize automatically reseting of spanner.
Preferable, the stitching thread of described stitching thread for adopting the biological fiber material to make, noresidue after the rehabilitation of realization wound.
As shown from the above technical solution, embodiment of the present utility model replaces traditional sewing needle with a pair of puncture needle, the mode that adopts the prepackage stitching thread and beat slip-knot in advance drives stitching thread by beating slip-knot finishes the knotting process in advance by wire body, has following beneficial effect:
1, can in sleeve, finish knotting, be applicable to the stitching of fibrous ring in the operation of vertebral column minimally invasive disc removal;
2, safety simple to operate.
With reference to the accompanying drawing description of a preferred embodiment, above-mentioned and other purpose of the present utility model, feature and advantage will be more obvious by following.
Description of drawings
Fig. 1 is the whole sectional structure chart of this utility model one preferred embodiment;
Fig. 2 is embodiment illustrated in fig. 1 bowing to perspective view;
Fig. 3 is in the disposable fibrous ring stiching instrument, an embodiment sketch map of shell;
Fig. 4 is in the disposable fibrous ring stiching instrument, the A-A ' sectional structure chart of hollow puncture needle and shell;
Fig. 5 A, Fig. 5 B are in the disposable fibrous ring stiching instrument, the B-B ' sectional structure chart of hollow puncture needle one embodiment under the different operating state;
Fig. 6 is in the disposable fibrous ring stiching instrument, and spacing is regulated the B-B ' sectional structure chart of puncture needle knob portion;
Fig. 7 A, Fig. 7 B are in the disposable fibrous ring stiching instrument, the spanner of brake assemblies and the B-B ' sectional structure chart of shift fork one embodiment under the different operating state;
Fig. 8 A, Fig. 8 B are in the disposable fibrous ring stiching instrument, the shift fork of brake assemblies and the C-C ' sectional structure chart of shift fork elastomer one embodiment under the different operating state;
Fig. 9 A, Fig. 9 B are in the disposable fibrous ring stiching instrument, the B-B ' sectional structure chart of take-up knob under the different operating state of brake assemblies;
Figure 10 is in the disposable fibrous ring stiching instrument, and wire body passes the toe-in sketch map of default slip-knot;
Figure 11 is the view that disposable fibrous ring stiching instrument cooperates knot pusher locking toe-in.
The specific embodiment
To describe specific embodiment of the utility model in detail below.Should be noted that the embodiments described herein only is used to illustrate, be not limited to this utility model.
Main design of the present utility model is to pre-install stitching thread and default slip-knot, utilizes wire body to introduce stitching thread in the cavity under the fibrous ring and finishes knotting, solves the problem that prior art can't realize stitching to the fibrous ring wound.Below in conjunction with accompanying drawing 1～accompanying drawing 11, introduce disposable fibrous ring stiching instrument provided by the utility model in detail.
For convenience of explanation, provide a preferred embodiment of disposable fibrous ring stiching instrument to be described, but it will be understood by those skilled in the art that following explanation is not to restriction of the present utility model below in conjunction with this utility model.Wherein, Fig. 1 and Fig. 2 show the whole cutaway view and the perspective view of the disposable fibrous ring stiching instrument that present embodiment provides, and for the ease of understanding, provide corresponding partial schematic diagram and user mode figure by other accompanying drawings.
Concrete, this disposable fibrous ring stiching instrument comprises: one has the shell 100 of gripping handle, and this shell 100 can be made by plastic or other material, and simultaneously, for the ease of gripping, handle part can be produced corresponding concaveconvex shape by the finger shape, as shown in Figure 3.
This disposable fibrous ring stiching instrument also comprises: the first hollow puncture needle 200 and the second hollow puncture needle 300, and this first hollow puncture needle 200 and the second hollow puncture needle 300 are set up in parallel, and pass from described shell 100;
Concrete, please in conjunction with shown in Fig. 4 and Fig. 5 A, Fig. 5 B, near the outer wall 201 of the first hollow puncture needle 200 offers perforate 204, the second hollow puncture needles 300 front end is needle point outer wall 301 offers perforate 304 near front end is needle point, this perforate 204 and 304 is provided with in opposite directions; The outer wall 201 of the first hollow puncture needle 200 and the outer wall 301 of the second hollow puncture needle 300 respectively perforate 204 and 304 with pass down to shell the position offer in opposite directions second the fluting 203 and 303; And described shell 100 offers first fluting 101 passing of the described first hollow puncture needle 200 and the second hollow puncture needle 300 between the position;
In actual use, user is at first held the stiching instrument handle, the first hollow puncture needle 200 and the second hollow puncture needle 300 are thrust in the skin from the wound both sides, wherein, for the ease of puncture, the tip of the first hollow puncture needle 200 and the described second hollow puncture needle 300 can be curved, and, thrust the degree of depth and keep two root punctures to be needled into deep equality for the ease of control, the outer wall 201 of the first hollow puncture needle 200 and the outer wall 301 of the second hollow puncture needle 300 can be provided with the scale (not shown) in the front end specified location, and/or, can be provided with safety cock 205 and 305; To be provided with safety cock 205 and 305 is example, can be no more than the height of safety cock 205 and 305 in the degree of depth that fibrous ring is thrust in the fashionable assurance of thorn.
Continue.These first hollow puncture needle, 200 inside comprise: a puncture push rod 202 is fixed on the wire body unloading part 206 at puncture push rod 202 tops; Be necessary to point out that for the ease of showing first fluting 101, push rod 202 transverse section of will puncturing are expressed as hollow body among Fig. 4, but in actual applications, solid puncture push rod 202 is more prone to by pushing and withstanding; Certainly, also can adopt the hollow puncture push rod 202 of bottom and top seal, not influence technique effect of the present utility model;
These second hollow puncture needle, 300 inside comprise: a puncture pull bar 302 is fixed on the wire body acceptance division 306 at puncture pull bar 302 tops; Equally, for the ease of showing first fluting 101, pull bar 302 transverse section of will puncturing are expressed as hollow body among Fig. 4, but in actual applications, solid puncture pull bar 302 is more prone to by pushing and withstanding; Certainly, also can adopt the hollow puncture pull bar 302 of bottom and top seal, not influence technique effect of the present utility model;
And, a wire body 600, its original state is placed in the first hollow puncture needle 200, be subjected to wire body unloading part 206 pushing and withstanding from perforate 204 via perforate 304, enter wire body acceptance division 306 and engaging; Obviously, when this wire body carries stitching thread, just can realize the transmission of stitching thread between two hollow puncture needles;
As a specific embodiment, this wire body unloading part 206 can be a jacking block, can be to the second hollow puncture needle 300 direction pushing and withstanding wire bodies 600; Described wire body acceptance division 306 tools one groove, described groove can engage the wire body 600 that described pushing and withstanding is come;
Preferable, for the ease of engaging, described wire body 600 can be for having the spindle wire body of empennage 601, and the groove of wire body acceptance division 306 is the spindle accommodation space with holding section 308;
Please refer to Fig. 5 A, the state when it shows the first hollow puncture needle 200 and 300 punctures of the second hollow puncture needle, this moment, this wire body 600 was placed in the first hollow puncture needle 200;
Refer again to Fig. 5 B, it shows the state that utilizes wire body 600 to pass line between the first hollow puncture needle 200 and the second hollow puncture needle 300, as can be seen, by puncture push rod 202 pushing and withstanding wire body unloading parts 206, by puncture pull bar 302 pushing and withstanding wire body acceptance divisions 306, make wire body unloading part 206 and wire body acceptance division 306 respectively to perforate 204 and the motion of 304 directions, wire body 600 is realized the transfer from first hollow puncture needle 200 to the second hollow puncture needles 300 under this effect;
Wherein, in order to realize to the arc shaped pushing and withstanding of wire body 600 in response to the puncture needle shape, wire body unloading part 206 and wire body acceptance division 306 can be respectively by elastic component (as spring) 207 and 307 be fixed on puncture push rod 202 and as described in the top of puncture pull bar 302.
Owing to after two root thorns of disposable fibrous ring stiching instrument are needled into the fibrous ring of wound both sides,, need carry out position adjustments, make it close to each other to the first hollow puncture needle 200 and the second hollow puncture needle 300 in order to guarantee the transmission of wire body 600; Therefore, the disposable fibrous ring stiching instrument that this utility model provides also comprises: a puncture needle spacing adjusting knob 400, its swing arm passes the outer wall 201 that shell 100 is resisted against the first hollow puncture needle 200, by screwing or unscrew puncture needle spacing adjusting knob 400 the first hollow puncture needle 200 is slided along first fluting 101, closing or away from the second hollow puncture needle 300, its partial structurtes figure please refer to Fig. 6;
As can be seen, user thrusts fibrous ring wound two rear flank with hollow puncture needle 200 and 300, because shell 100 offers first fluting 101, and itself has elasticity fibrous ring, therefore can be by screwing puncture needle spacing adjusting knob 400, the first hollow puncture needles 200 to the second hollow puncture needle 300 slip closings;
In order to guarantee the stability of sliding process, as preferred embodiment, the first hollow puncture needle 200 is coated with positioning sleeve 208 at shell with interior part, and this is decided sleeve surface and is extended with at least one location division 2081 (two location divisions 2081 have been shown among Fig. 6); Accordingly, shell 100 inwalls offer the locating slot 102 of corresponding location division 2081 shapes, location division 2081 can be fastened in the locating slot 102 move horizontally, and make the first hollow puncture needle 200 steady closings or away from the second hollow puncture needle 300.
And this utility model also provides the brake assemblies of braking puncture push rod 202 and puncture pull bar 302, comprising:
One spanner 501;
One shift fork 502, one end of this shift fork 502 is sleeved on the end that spanner 501 is positioned at shell 100 by shift fork power transmission shaft 5021, the other end of shift fork 502 (front end) is divided into two strands, its initial position is replaced the bottom of puncture push rod 202 and puncture pull bar 302 respectively, and the engaging that is subjected to the outer wall 301 of the outer wall 201 of the first hollow puncture needle 200 and the second hollow puncture needle 300 respectively limits; Pull that spanner 501 can drive shift fork 502 pushing and withstanding punctures push rod 202 and puncture pull bar 302 moves to the needle point direction;
As preferred embodiment, because the first hollow puncture needle 200 need be to second hollow puncture needle 300 closings, have certain horizontal displacement, therefore replace puncture push rod 202 bottoms all the time for the front end that guarantees shift fork 502, it is a those widened sections 2021 that these puncture push rod 202 its bottoms are widened; And the outer wall 201 of the described first hollow puncture needle 200 is the mobile space 209 that the bottom is provided with vertical direction of widening of described puncture push rod 202.
Concrete, the state of spanner 501 and shift fork 502 when Fig. 7 A shows puncture, this moment, spanner 501 positions were by last;
Spanner 501 is pulled back to initial position, and puncture push rod 202 and puncture pull bar 302 reset downwards, and puncture pull bar 302 will drive engaging wire body 600 firmly and enter in the second hollow puncture needle 300;
Preferable, described spanner 501 is positioned at shell 100 outer ends can pass through return springs (as spring, not shown in the figures) and be connected on the shell 100, thereby realizes automatically reseting of spanner 501, is convenient to operate.
Brake assemblies also comprises: a take-up knob 503, take-up knob 503 is connected with puncture pull bar 302 by connecting line 504, by screwing described take-up knob 503, spur described puncture pull bar 302 and move, move to take-up knob 503 directions thereby drive wire body 600 to described take-up knob 503 directions;
Wherein, hinder moving of puncture pull bar 302 for fear of the shift fork that is resisted against puncture pull bar 302, brake assemblies also comprises a shift fork elastomer 5023 (as spring), one end of this shift fork elastomer 5023 is cemented on the shift fork pulling eye 5022 of described shift fork, the other end of this shift fork elastomer 5023 is cemented on the inwall of shell 100, resetting at described spanner 501 drives under the outer wall 201 and 301 situation that described shift fork 502 breaks away from the first hollow puncture needles 200 and the second hollow puncture needle 300 downwards, and described shift fork elastomer 5023 drives described shift fork 502 and departs from the moving track of described puncture pull bar 302 under described take-up knob 503 effects;
Fig. 8 A shows under the outer wall 201 and 301 situation that shift fork 502 front ends are defined in the first hollow puncture needle 200 and the second hollow puncture needle 300, the state of shift fork elastomer 5023; Fig. 8 B shows shift fork elastomer 5023 and drives the situation that shift fork 502 breaks away from the moving track of puncture pull bar 302.
On the above-mentioned basis of having introduced structure, this utility model can be realized moving of wire body 600; In order to realize knotting, disposable fibrous ring stiching instrument also comprises: a stitching thread 700, described stitching thread 700 1 ends are fixed on the described wire body 600, the other end is fixed in the inwall of shell 100, described stitching thread 700 middle parts have a slip-knot 701 that is socketed on the described puncture pull bar 302 in advance, and the stitching line end that is fixed in described wire body 600 can be along with the described slip-knot 701 that moves through of puncture pull bar 302; And the stitching line end that described slip-knot 701 drives at described wire body 600 passes the back to be deviate from by described first fluting 101, and the stitching thread 700 between described slip-knot 701 and the thorn implantation site is deviate from by described second fluting 203 and 303 respectively, finishes knotting;
Wherein, in order to guarantee that wire body 600 can pass slip-knot 701, the length that can reserve stitching thread 700 is longer than from the fixed end of shell 100 inwalls through to the distance of take-up knob 503 2 times of first hollow puncture needle 200 needle points and second hollow puncture needle 300 needle points, under original state, this stitching thread 700 is bent to be placed between the outer wall 201 and puncture push rod 202 of the first hollow puncture needle 200;
Preferable, sutural residual after the wound rehabilitation, the stitching thread of this stitching thread 700 for adopting absorbable biological fiber material to make;
Shown in Fig. 9 A, the state of stitching thread 700 and take-up knob 503 when having shown puncture wherein, has slip-knot 701 in the bottom of puncture pull bar 302;
Screw take-up knob 503, under the pulling of connecting line 504, puncture pull bar 302 drives wire body 600 and moves to take-up knob 503 directions together, simultaneously, and the junction of in the second hollow puncture needle 300, shifting to shell 100 and puncture needle that slip-knot 701 draws near;
When wire body 600 passed slip-knot 701, puncture pull bar 302 moved under the toe-in 701, and promptly toe-in 701 breaks away from from puncture pull bar 302, can realize knotting, as shown in figure 10;
Extract the puncture needle of stiching instrument from wound, continue to screw take-up knob 503, because shell 100 offers first fluting 101 passing of the described first hollow puncture needle 200 and the second hollow puncture needle 300 between the position, so toe-in first fluting 101 is deviate from shell 100; Simultaneously, since the first hollow puncture needle 200 and the second hollow puncture needle 300 in perforate 204,304 to offer second fluting 203 and 303 respectively down to passing the position, therefore the stitching thread at toe-in 701 two ends can be deviate from locking from second fluting 203 and 303 respectively, shown in Fig. 9 B; Cut off the outer stitching thread of toe-in, can finish sewing process one time;
Preferable, in order to ensure toe-in applying wound, need be used knot pusher push-tight toe-in, as shown in figure 11.
From above-mentioned embodiment provided by the utility model as can be seen, this utility model replaces sewing needle with puncture needle, the prepackage stitching thread, can finish knotting automatically in the small space of ccontaining puncture needle by conductor, simple to operate, thus realize in the vertebral column minimally invasive disc removal art stitching to the fibrous ring wound.
Though described this utility model with reference to several exemplary embodiments, should be appreciated that used term is explanation and exemplary and nonrestrictive term.The spirit or the essence that do not break away from utility model because this utility model can specifically be implemented in a variety of forms, so be to be understood that, the foregoing description is not limited to any aforesaid details, and should be in the spirit and scope that claim limited of enclosing explain widely, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be the claim of enclosing and contain.
Claims (10)
1. disposable fibrous ring stiching instrument, it is characterized in that, comprise that one has the shell of gripping handle and the first hollow puncture needle and the second hollow puncture needle that passes from described shell, the described first hollow puncture needle and the second hollow puncture needle are set up in parallel, and described shell offers first fluting passing of the described first hollow puncture needle and the second hollow puncture needle between the position; The outer wall of the described first hollow puncture needle and the second hollow puncture needle offers in opposite directions perforate at front end, in perforate to offer in opposite directions second fluting down to passing the position; Described disposable fibrous ring stiching instrument also comprises:
An one puncture push rod and a puncture pull bar, described puncture push rod is arranged in the first hollow puncture needle, and described puncture pull bar is arranged in the second hollow puncture needle;
An one wire body unloading part and a wire body acceptance division, described wire body unloading part is arranged in the first hollow puncture needle and is fixed on the top of described puncture push rod, and described wire body acceptance division is arranged in the second hollow puncture needle and is fixed on the top of described puncture pull bar;
One wire body, it is placed in the described first hollow puncture needle, is subjected to wire body unloading part pushing and withstanding to enter described wire body acceptance division and engaging from described perforate in opposite directions;
One puncture needle spacing adjusting knob, its swing arm passes shell and is resisted against the described first hollow puncture needle outer wall, by screwing or unscrew described puncture needle spacing adjusting knob the described first hollow puncture needle is slided along described first fluting, closing or away from the described second hollow puncture needle;
One brake assemblies comprises:
One spanner and be sleeved on the shift fork that described spanner is positioned at shell one end, the initial position of described shift fork front end replace respectively described puncture push rod and the puncture pull bar the bottom, pull described spanner can drive the described puncture push rod of described shift fork pushing and withstanding and the puncture pull bar move to the needle point direction;
One take-up knob, described take-up knob is connected with described puncture pull bar by connecting line, by screwing described take-up knob, spurs described puncture pull bar and moves to described take-up knob direction;
One shift fork elastomer, its two ends are cemented in respectively on described shift fork and the outer casing inner wall, resetting at described spanner drives described shift fork and breaks away under the situation of the first hollow puncture needle and the second hollow puncture needle outer wall, and described shift fork elastomer drives described shift fork and departs from the moving track of described puncture pull bar under the effect of described take-up knob;
One stitching thread, described stitching thread one end is fixed on the described wire body, the other end is fixed in outer casing inner wall, and described stitching thread middle part has a slip-knot that is socketed on the described puncture pull bar in advance, and the stitching line end that is fixed in described wire body can be along with the described slip-knot that moves through of puncture pull bar; And the stitching line end that described slip-knot drives at described wire body passes the back to be deviate from by described first fluting, and the stitching thread between described slip-knot and the thorn implantation site is deviate from by described second fluting respectively, finishes knotting.
2. disposable fibrous ring stiching instrument according to claim 1 is characterized in that, the described first hollow puncture needle and the described second hollow puncture needle most advanced and sophisticated curved.
3. disposable fibrous ring stiching instrument according to claim 1 and 2 is characterized in that the outer wall of the described first hollow puncture needle and the described second hollow puncture needle is provided with scale and/or safety cock in the front end specified location.
4. disposable fibrous ring stiching instrument according to claim 1 is characterized in that described wire body unloading part is a jacking block, to the described wire body of the second hollow puncture needle direction pushing and withstanding; Described wire body acceptance division tool one groove, described groove can engage the wire body that described pushing and withstanding is come.
5. disposable fibrous ring stiching instrument according to claim 4 is characterized in that, described wire body is the spindle wire body that has empennage, and the groove of described wire body acceptance division is the spindle accommodation space with holding section.
6. according to claim 1 or 4 or 5 described disposable fibrous ring stiching instrument, it is characterized in that described wire body unloading part and described wire body acceptance division are fixed on the top of described puncture push rod and described puncture pull bar respectively by elastic component.
7. disposable fibrous ring stiching instrument according to claim 1 is characterized in that the described first hollow puncture needle is coated with positioning sleeve at shell with interior part, describedly decides sleeve surface and is extended with at least one location division, and described outer casing inner wall offers locating slot; Described location division is fastened in the described locating slot and moves horizontally, and makes the described first hollow puncture needle closing or away from the described second hollow puncture needle.
8. disposable fibrous ring stiching instrument according to claim 7 is characterized in that, described puncture push rod bottom is widened; And the described first hollow puncture needle outer wall is the mobile space that the bottom is provided with vertical direction of widening of described puncture push rod.
9. disposable fibrous ring stiching instrument according to claim 1 is characterized in that, described spanner is positioned at the outer end of shell and is connected on the described shell by return springs.
10. disposable fibrous ring stiching instrument according to claim 1 is characterized in that, the stitching thread of described stitching thread for adopting the biological fiber material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202991982U CN201578299U (en) | 2009-12-24 | 2009-12-24 | Disposable fibrous ring stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202991982U CN201578299U (en) | 2009-12-24 | 2009-12-24 | Disposable fibrous ring stitching instrument |
Publications (1)
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| CN201578299U true CN201578299U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202991982U Expired - Fee Related CN201578299U (en) | 2009-12-24 | 2009-12-24 | Disposable fibrous ring stitching instrument |
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| CN102160810A (en) * | 2011-06-02 | 2011-08-24 | 吴国辉 | Surgical stapler |
| CN103989493A (en) * | 2014-06-11 | 2014-08-20 | 上海中山医疗科技发展公司 | Rapid deep-portion knotting device for minimally invasive surgery |
| CN104605974A (en) * | 2015-01-23 | 2015-05-13 | 南京医科大学第一附属医院 | Operation device for suturing annulus fibrosus after discectomy |
| CN105286932A (en) * | 2015-09-21 | 2016-02-03 | 连云港亿帆医药技术有限公司 | Stitching instrument simple to operate |
| CN107049403A (en) * | 2016-11-28 | 2017-08-18 | 赵昕 | Operation knotter |
| CN109717916A (en) * | 2019-02-20 | 2019-05-07 | 上海康德莱医疗器械股份有限公司 | A kind of stitching unstrument for thoracoscope Minimally Invasive Surgery |
| CN109770978A (en) * | 2018-11-26 | 2019-05-21 | 李峥 | A kind of annulus fibrosus disci intervertebralis stitching devices and method |
| CN110151241A (en) * | 2019-05-07 | 2019-08-23 | 张为 | Annulus fibrosus disci intervertebralis crackle suture instrument |
| CN111991043A (en) * | 2020-09-18 | 2020-11-27 | 二零二零（北京）医疗科技有限公司 | Stitching device for deep channel |
| CN115153696A (en) * | 2022-07-18 | 2022-10-11 | 北京科仪邦恩医疗器械科技有限公司 | Ware is sewed up to meniscus |
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2009
- 2009-12-24 CN CN2009202991982U patent/CN201578299U/en not_active Expired - Fee Related
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| CN103989493A (en) * | 2014-06-11 | 2014-08-20 | 上海中山医疗科技发展公司 | Rapid deep-portion knotting device for minimally invasive surgery |
| CN104605974A (en) * | 2015-01-23 | 2015-05-13 | 南京医科大学第一附属医院 | Operation device for suturing annulus fibrosus after discectomy |
| CN105286932A (en) * | 2015-09-21 | 2016-02-03 | 连云港亿帆医药技术有限公司 | Stitching instrument simple to operate |
| CN107049403A (en) * | 2016-11-28 | 2017-08-18 | 赵昕 | Operation knotter |
| CN107049403B (en) * | 2016-11-28 | 2019-09-27 | 赵昕 | Knotter is used in operation |
| CN109770978A (en) * | 2018-11-26 | 2019-05-21 | 李峥 | A kind of annulus fibrosus disci intervertebralis stitching devices and method |
| CN109717916A (en) * | 2019-02-20 | 2019-05-07 | 上海康德莱医疗器械股份有限公司 | A kind of stitching unstrument for thoracoscope Minimally Invasive Surgery |
| CN110151241A (en) * | 2019-05-07 | 2019-08-23 | 张为 | Annulus fibrosus disci intervertebralis crackle suture instrument |
| CN110151241B (en) * | 2019-05-07 | 2021-03-30 | 张为 | Intervertebral disc fibrous ring crack stitching tool |
| CN111991043A (en) * | 2020-09-18 | 2020-11-27 | 二零二零（北京）医疗科技有限公司 | Stitching device for deep channel |
| WO2022056969A1 (en) * | 2020-09-18 | 2022-03-24 | 二零二零（北京）医疗科技有限公司 | Suturing device for use in deep channel |
| CN111991043B (en) * | 2020-09-18 | 2023-03-28 | 二零二零（北京）医疗科技有限公司 | Stitching device for deep channel |
| CN115153696A (en) * | 2022-07-18 | 2022-10-11 | 北京科仪邦恩医疗器械科技有限公司 | Ware is sewed up to meniscus |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20111224 |