CN207024073U - A kind of installation tool of sternum suture bandage - Google Patents

Abstract

It the utility model is related to a kind of installation tool of sternum suture bandage, including the gun body with cavity, it is located at and is used for the bandage tensioning mechanism for tensing bandage in the bore of gun body, it is located at and is used for the shut-off mechanism for cutting bandage at gun body muzzle, it is simple in construction, in the lockhole for being provided with one end of bandage through the bandage other end after having sutured, and it is connected with bandage tensioning mechanism, then once bandage can be tightened by the tensioning mechanism of bandage, unnecessary bandage is cut by shut-off mechanism after the completion of tightening, realize bandage and complete the tension after suture, fixed and cutting bandage redundance is once completed, effectively avoid during operation, narrow space, bandage is tensed by the hand of people, cause to fixed breastbone cause dislocation risk, reduce simultaneously and tense consumed strength and time.

Description

A kind of installation tool of sternum suture bandage

Technical field

The utility model belongs to cardiac thoracic surgery gladiolus median incision and is re-closing off suturing technique for fixing field, especially It is related to a kind of installation tool of sternum suture bandage.

Background technology

Mid-sternal incision is the preferred approach of most openheart surgeries, and hitting exactly breastbone of riving can make visual area reach optimal Exposure.After open chest surgery terminates, the suture of left and right two halves breastbone fix at present generally using wire stitches fix line tying, The mode tighten, to knot is carried out.Because wire is thinner, the undue force if wire is twisted together, it is easy to cause breastbone to cut, Wire breakage even occurs.This not only causes bigger wound, pain and risk to patient, and increase folder surgical when Between and working strength.

In order to solve the above problems, specially CN203524752U discloses a kind of orthopaedics and is locked dress with tying up bandage for China Put, be made up of toothed bandage, stainless steel crotch, the lock tied up of strip；The toothed bandage of tying up of strip is by polyether-ether-ketone Material is made, and its one end connects with the stainless steel crotch cladding with tip, and the other end and the lock of unidirectional occlusion lock tight fit connect Connect；Change traditional operation to fix after silk thread carries out suture fixed strain using metal suture, tightened, knotted, stitched with cutting pliers Close fixed mode；But this bandage needs manually to be tensed when fixing, and space is compared when operation Small, artificial tense needs that bandage could be tensed more than once, arduously, time-consuming.

Utility model content

The shortcomings that in order to overcome above-mentioned prior art, the purpose of this utility model are to provide a kind of simple in construction, can make to tie up With the tension, fixation and the erector for cutting the one step completed sternum suture bandage of bandage redundance completed after suturing Tool.

To reach above-mentioned purpose, the utility model uses a kind of erector of sternum suture bandage of following technical scheme Tool, including the gun body with cavity, it is located at and is used for the bandage tensioning mechanism for tensing bandage in the bore of gun body, be located at gun body muzzle Locate the shut-off mechanism for cutting bandage.

Described bandage tensioning mechanism includes pistol trigger, tie rod, pistol trigger return spring and stop slider；

One end of described pistol trigger is located at outside the bore of gun body, and other end active link is in the bore of gun body, institute The one end for the tie rod stated is connected with bandage and clamps directed movement device, and stop slider and pistol trigger return spring are enclosed on tension On bar, the other end is fixedly connected with base, and described pistol trigger return spring is described between stop slider and base Pistol trigger passes through connection strap active link with stop slider；

Described base is located at the rear end in gun body bore, and the end of the tie rod of directed movement device is clamped provided with bandage Front end in gun body bore.

Described shut-off mechanism includes rupturing operation bar and the cutting knife scissors being fixedly connected with the muzzle of gun body, and described cuts Disconnected scissors is made up of scissors on the semicircle lower cutter and cylinder open shape that are flexibly connected by rotating shaft, described cut-out behaviour Make bar to be fixedly connected with scissors on cylinder open shape, and when rupturing operation bar lifts, the edge of a knife and circle of semicircle lower cutter The edge of a knife closure of scissors on cylindrical openings shape.

Also be inlaid with gun body one by the spring plate group that is oppositely arranged into prevent maloperation clamp, this prevents maloperation The bayonet socket that the clamp head of clamp and clamp afterbody are provided with is located in the bore of gun body, described to prevent from setting in the middle part of maloperation clamp There is jaw, the jaw is located at outside gun body, and the jaw and rupturing operation bar buckle or separates；Described pull lever stop slider exists Slided between clamp head and bayonet socket.

Described bandage clamps directed movement device and is made up of the board-like upper grip being fixedly connected and tooth-like lower chuck, institute The circular arc convex teeth groove that the inner side for the tooth-like lower chuck stated is provided with unidirectional teeth groove matches on the inside of bandage；Described tooth-like lower folder Head is connected to inside board-like upper grip by bearing pin.

The steel plate that described gun body is fixedly connected by support and rivet forms.

The beneficial effects of the utility model are：It is simple in construction, one end of bandage is passed through into the bandage other end after having sutured In the lockhole being provided with, and it is connected with bandage tensioning mechanism, then once can be tightened bandage by the tensioning mechanism of bandage, Unnecessary bandage is cut by shut-off mechanism after the completion of tightening, realize the tension after bandage completes suture, fixation and Cut bandage redundance once to complete, effectively avoid during operation, narrow space, by the hand of people by bandage Tense, cause to cause fixed breastbone the risk of dislocation, while reduce and tense consumed strength and time.

Brief description of the drawings

Fig. 1 is the installation tool structural representation of sternum suture bandage of the present utility model；

Fig. 2 is the structural representation of bandage tensioning mechanism in the utility model；

Fig. 3 is the structural representation that bandage clamps directed movement device in Fig. 2；

Fig. 4 is shut-off mechanism structural representation in the utility model；

Fig. 5 is cut-out scissor construction schematic diagram in Fig. 4；

Fig. 6 is that maloperation clamp structural representation is prevented in the utility model；

Fig. 7 is the structural representation of bandage in the utility model embodiment；

Fig. 8 is sewing needle structural representation in Fig. 7；

Fig. 9 is buckle structure schematic diagram in Fig. 7.

In figure：A. gun body；B. bandage tensioning mechanism；C. shut-off mechanism；D. bandage；B1. pistol trigger；B2. tie rod； B3. pistol trigger return spring；B4. stop slider；B5. base；B6. connection strap；B21. bandage clamps directed movement dress Put；B211. board-like upper grip；B212. tooth-like lower chuck；B213. circular arc convex teeth groove；C1. scissors is cut off；C2. anti-error behaviour Make clamp；C11. semicircle lower scissor blade；C12. scissors on cylinder open shape；C13. rupturing operation bar；C21. clamp head Portion；C22. jaw；C23. bayonet socket；D1. stainless steel sewing needle；D2. bandage afterbody Square Lock；D21. the lockhole in latching； D211. unidirectional snap lock tooth in lockhole.

Embodiment

The utility model is described in detail with reference to the accompanying drawings and examples.

The installation tool of sternum suture bandage described in following embodiments is mainly to the bandage in Fig. 7 .8.9 Tensed, fixed and cut；The bandage provided in Fig. 7,8,9 is fixed bandage by stainless steel sewing needle D1 and strip and formed, Stainless steel sewing needle D1 is fixed on one end that strip fixes bandage, and the other end that strip fixes bandage is fixedly connected with bandage afterbody The lockhole D21 and be located in the lockhole in lockhole unidirectional that Square Lock D2, bandage afterbody Square Lock D2 are provided with lock Snap lock tooth D211, strip are fixed and are averagely provided with multiple teeth groove on bandage side by side, the teeth groove and unidirectional snap lock tooth in lockhole D211 coordinates, i.e., is through when by strip fixation bandage in the lockhole D21 in lock, single in the teeth groove and lockhole of strip fixation bandage Lock, can not retract to snap lock tooth D211.

Embodiment 1

A kind of installation tool of sternum suture bandage as shown in Figure 1, including the gun body A with cavity, are located at gun body A Bore in be used to tense the bandage tensioning mechanism B of bandage, be located at and be used for the shut-off mechanism C for cutting bandage at gun body A muzzle；Tool Body is the breastbone ordered arrangement that former center is rived after the completion of open chest surgery, be ready to suitable types such as tying up in Fig. 7 Band.

Bandage head hook solid stainless steel sewing needle is clamped with surgical clamp, through the soft tissue of bilateral breastbone intercostal space, is tied up Band by stainless steel sewing needle lead into the soft tissue of the corresponding breastbone intercostal space of left and right two halves after, cut off using operation Except stainless steel sewing needle and abandon.Bending bandage head is allowed to penetrate after afterbody latches and to form close ring and tense, in bandage The unidirectional teeth groove of side is engaged with the snap lock tooth in lockhole, makes bandage can only forward slip, it is impossible to exit；Close ring is pulled to After both sides breastbone closes substantially, the end of bandage is connected through shut-off mechanism C and with bandage tensioning mechanism B, bandage fastener Structure B is tensed to bandage, and bandage is tensed without people, and after the completion of tension, bandage is entered by shut-off mechanism C Row is cut, and is realized tension, is fixed on and cuts one step completed purpose.

Embodiment 2

On the basis of embodiment 1, bandage tensioning mechanism B as described in Figure 2 includes pistol trigger B1, tie rod B2, hand Gun trigger return spring B3 and stop slider B4；

Described pistol trigger（B1）One end be located at gun body（A）Bore outside, other end active link is in gun body（A）'s In bore, described tie rod（B2）One end be connected with bandage clamp directed movement device（B21）, stop slider（B4）And hand Gun trigger return spring（B3）It is enclosed on tie rod（B2）On, the other end is fixedly connected with base（B5）, described pistol trigger returns Resilience spring（B3）Positioned at stop slider（B4）With base（B5）Between, described pistol trigger（B1）With stop slider（B4）Pass through Connection strap（B6）Active link；

Described base B5 is located at the rear end in gun body A bores, and directed movement device B21 tie rod is clamped provided with bandage B2 end is located at the front end in gun body A bores.

Described gun body A uses pistol configuration design, is passed through by the stainless steel plate similar to handgun shape being arranged in pairs Support and rivet are connected, and are therebetween cavity；Stop slider B4 can be in the enterprising line slips of tie rod B2, stop slider B4 can pull tie rod B2 to move forward and backward during slip, and pistol trigger B1 is used to provide just initiating for stop slider B4 Power, pistol trigger B1 one end are movably fixed in gun body A inner chamber, and when pulling pistol trigger B2, pistol trigger B1 End around with the rotation of gun body A tie point；When hand pulls pistol trigger B1, stop slider B4 is moved backward, is pulled simultaneously Tie rod B2 is moved backward, when hand loosen pistol trigger B1, stop slider B4 in the presence of pistol trigger return spring B3 to Preceding motion, while promote tie rod B2 to travel forward, to realize the tie rod B2 tension moved forward and backward to bandage；

It is the board-like upper grip by being fixedly connected that further bandage as shown in Figure 3, which clamps directed movement device B21, B211 and tooth-like lower chuck B212 compositions, described tooth-like lower chuck B212 inner side are provided with and unidirectional teeth groove phase on the inside of bandage The circular arc convex teeth groove matched somebody with somebody；Described tooth-like lower chuck is connected to inside board-like upper grip by bearing pin, board-like upper grip B211 The passage of bandage operation is formd between tooth-like lower chuck B212, enables bandage directed movement, tie rod B2 to After when moving, bandage clamps directed movement device B21 as tie rod B2 is also moved backward, the bandage during moving backward On teeth groove and circular arc convex teeth groove B213 coordinate and latch, tie rod B2 pulls bandage to realize the tension of bandage, while realizes chest The fixation of bone, when tie rod B2 travels forward, the teeth groove on bandage separates with circular arc convex teeth groove B213, and bandage clamps orientation Telecontrol equipment B21 travels forward（Bandage is motionless）, when pulling tie rod B2 to move backward again, teeth groove and circular arc on bandage Convex teeth groove B213 is locked, while pulls bandage to move the tension for realizing bandage backward, passes through pulling tie rod repeatedly B2 realizes the fixation and tension to bandage.

Particularly, after the completion of operation, the end of the bandage after closed loop is through bandage and clamps directed movement device B21 In, hand pulls pistol trigger B1, pulls tie rod B2 to move backward, bandage clamp directed movement device B21 relative to bandage to After move, at this moment circular arc convex teeth groove B213 links closely with the tooth socket fit on bandage, pull bandage move backward realization once draw Tightly, when hand unclamps pistol trigger B1, due to pistol trigger return spring B3 effect, promote and pull tie rod B2 to move forward and backward, Bandage clamps directed movement device B21 with bandage and departed from, and is travelled forward relative to bandage, and realization once tenses；Hand is again Pistol trigger B1 is pulled, pulls tie rod B1 to pull bandage to clamp directed movement device B21 and moves backward, circular arc convex teeth groove The teeth groove for the teeth groove front end that B213 is fastened for the first time with bandage is linked closely, and tenses bandage backward, and realization once tenses, when When unclamping pistol trigger B1 again, tie rod B2 is promoted to travel forward under the action of the spring, bandage clamps orientation fortune with bandage Dynamic device B21 departs from, and is travelled forward relative to bandage, realizes tension again, once repeatedly pulls and unclamp pistol and pull Hand B1, finally realize the tension to bandage, the fixation to breastbone.

Embodiment 3

On the basis of embodiment 2, shut-off mechanism C as shown in Figure 4 and Figure 5 include rupturing operation bar C13 and with gun body A Muzzle the cut-out scissors C1, described cutting knife scissors C1 that are fixedly connected be the semicircle lower cutter by being flexibly connected by rotating shaft Scissors C12 compositions, described rupturing operation bar C13 fix with scissors C12 on cylinder open shape on C11 and cylinder open shape Connection, and when rupturing operation bar C13 lifts, scissors C12 knife on semicircle lower cutter the C11 edge of a knife and cylinder open shape Mouth closure.Scissors C12 is flexibly connected on semicircle lower cutter C11 and cylinder open shape, can be relatively rotated, semicircle incision An edge of a knife is formed on knife C11 and cylinder open shape between scissors C12 blade, facilitate bandage by needing to tying up When band is cut, rupturing operation bar C13 is above carried, scissors C12 is moved backward on cylinder open shape, semicircle lower cutter Scissors C12 blade closure, cuts to bandage on C11 and cylinder open shape；Particularly after operation terminates, it will tie up The edge of a knife that the end of band is formed through scissors C12 on semicircle lower cutter C11 and cylinder open shape, and extend to bandage clamping In directed movement device B21, tensioning action is then carried out, to after complete tense, rupturing operation bar C13 is above carried, to unnecessary Bandage is cut, and realizes tension with cutting one step completed purpose.

Further, be also inlaid with gun body A as shown in Figure 6 one by the spring plate group that is oppositely arranged into prevent miss Clamp C2 is operated, this prevents the bayonet socket C23 that maloperation clamp C2 clamp head C21 and clamp afterbody are provided with to be located at gun body A's In bore, the middle part for preventing maloperation clamp C2 is provided with jaw C22, and jaw C22 is located at outside gun body A, and jaw C22 With rupturing operation bar C13 buckles or separating；Described stop slider B4 is slided between clamp head C21 and bayonet socket C23, described The jaw C22 for preventing from being provided with the middle part of maloperation clamp C2 buckle mainly is carried out to rupturing operation bar C13, prevent in tension During, because maloperation above carries rupturing operation bar C13, the bandage for causing not tense is cut；Bayonet socket C23 is as tension behaviour After work terminates, bandage tensioning mechanism B stop slider B4 enters the afterbody bayonet socket C23 for preventing maloperation clamp C2, the drawing of bandage Tight operating process is terminated by limitation；Particularly during the tension in, bandage tensioning mechanism B stop slider B4 enters Maloperation clamp C2 afterbody bayonet socket C23 is prevented, the retightening operation process of bandage is terminated by limitation；It is complete in bandage retightening operation Cheng Hou, lift rupturing operation bar C13 and leave jaw C22, continue to lift action bars C13 and exert a force, make the cut-out of action bars front end Knife lower scissor blade is engaged with upper scissor blade, completes the cutting of surplus straining straps.Now, bandage tensioning mechanism B stop slider B4 enters anti- Only maloperation clamp C2 afterbody bayonet socket C23, the retightening operation process of bandage are terminated by limitation.

Above-described embodiment 3 is specifically as follows using process：

After the completion of open chest surgery, original is hit exactly to the breastbone ordered arrangement rived, gets out the bandage of suitable types.

Bandage head hook solid stainless steel sewing needle D1 is clamped with surgical clamp, through the soft tissue of bilateral breastbone intercostal space, Bandage by stainless steel sewing needle D1 lead into the soft tissue of the corresponding breastbone intercostal space of left and right two halves after, use operation Cut off except stainless steel sewing needle D2 and abandon.

Bending bandage head is allowed to penetrate after afterbody latches and to form close ring and tense, unidirectional teeth groove and lock on the inside of bandage The occlusion of snap lock tooth in hole, make bandage can only forward slip, it is impossible to exit.

Close ring is pulled to after both sides breastbone closes substantially, carried out further with the installation tool of bandage using sternum suture Tension and fixation, concrete operations are as follows：

First, the scissors mouth for the installation tool shut-off mechanism C that the bandage for pulling out lock passes through sternum suture bandage is entered Enter and clamp simultaneously directed movement device B12, now, shut-off mechanism C rupturing operation bar C13 is caught in the jaw for preventing maloperation clamp It is fixed in C22.

By withholding pistol trigger B1 repeatedly, bandage is engaged and tensed by clamping simultaneously directed movement device B12, ties up simultaneously Band is gradually tensed locked in lockhole.

After it is determined that the bandage close ring tensed makes both sides breastbone close completely, pistol trigger B1 is withheld in stopping, being lifted and is cut Disconnected action bars C13, which leaves, prevents maloperation caliper jaw C22.Continue to lift cutoff tool action bars C13 and exert a force, before making action bars The cutoff tool lower scissor blade at end is engaged cut-out bandage with upper scissor blade, and cut-off redundance bandage abandons, and completes a breastbone just The suture of middle otch is fixed.

Lift rupturing operation bar C13 leave prevent maloperation caliper jaw C22 while, bandage tensioning mechanism B drawing Tight bar B2 stop sliders are stuck into clamp afterbody buckle, and thus, the retightening operation of bandage is terminated by limitation.

According to the length of sternotomy, plurality of straps can be used to sequentially pass through the soft tissue of bilateral breastbone intercostal space, repeated The operation of redundance bandage is tensed, fixed and cut to complete.

Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.

Claims (6)

1. a kind of installation tool of sternum suture bandage, it is characterised in that including the gun body with cavity（A）, it is located at gun body （A）Bore in be used to tense the bandage tensioning mechanism of bandage（B）, it is located at gun body（A）It is used for the cut-out for cutting bandage at muzzle Mechanism（C）.

2. according to a kind of installation tool of sternum suture bandage described in claim 1, it is characterised in that described bandage tenses Mechanism（B）Including pistol trigger（B1）, tie rod（B2）, pistol trigger return spring（B3）And stop slider（B4）；

Described pistol trigger（B1）One end be located at gun body（A）Bore outside, other end active link is in gun body（A）Bore Interior, described tie rod（B2）One end be connected with bandage clamp directed movement device（B21）, stop slider（B4）Pulled with pistol Machine return spring（B3）It is enclosed on tie rod（B2）On, the other end is fixedly connected with base（B5）, described pistol trigger returns to bullet Spring（B3）Positioned at stop slider（B4）With base（B5）Between, described pistol trigger（B1）With stop slider（B4）Pass through connection Bar（B6）Active link；

Described base（B5）Positioned at gun body（A）Rear end in bore, directed movement device is clamped provided with bandage（B21）Tension Bar（B2）End be located at gun body（A）Front end in bore.

A kind of 3. installation tool of sternum suture bandage according to claim 2, it is characterised in that described cutting machine Structure（C）Including rupturing operation bar（C13）With with gun body（A）The cut-out scissors that is fixedly connected of muzzle（C1）, described cut-out cuts Knife（C1）It is the semicircle lower cutter by being flexibly connected by rotating shaft（C11）With scissors on cylinder open shape（C12）Composition, institute The rupturing operation bar stated（C13）With scissors on cylinder open shape（C12）It is fixedly connected, and works as rupturing operation bar（C13）Lift When, semicircle lower cutter（C11）The edge of a knife and cylinder open shape on scissors（C12）The edge of a knife closure.

A kind of 4. installation tool of sternum suture bandage according to claim 3, it is characterised in that gun body（A）It is upper to go back Be inlaid with one by the spring plate group that is oppositely arranged into prevent maloperation clamp（C2）, this prevents maloperation clamp（C2）Card Clamp head part（C21）The bayonet socket being provided with clamp afterbody（C23）Positioned at gun body（A）Bore in, it is described to prevent maloperation clamp （C2）Middle part be provided with jaw（C22）, the jaw（C22）Positioned at gun body（A）Outside, and the jaw（C22）With rupturing operation bar （C13）Buckle or separation；Described stop slider（B4）On clamp head（C21）And bayonet socket（C23）Between slide.

A kind of 5. installation tool of sternum suture bandage according to claim 2, it is characterised in that described bandage folder Tightening is to telecontrol equipment（B21）It is the board-like upper grip by being fixedly connected（B211）With tooth-like lower chuck（B212）Composition, it is described Tooth-like lower chuck（B212）Inner side be provided with and bandage on the inside of the circular arc convex teeth groove that matches of unidirectional teeth groove（B213）；It is described Tooth-like lower chuck（B212）It is connected to by bearing pin inside board-like upper grip.

A kind of 6. installation tool of sternum suture bandage according to claim 1, it is characterised in that described gun body （A）The steel plate being fixedly connected by support and rivet forms.