CN206333927U - A kind of minimally invasive manadesma closer of integrative-structure - Google Patents

Abstract

The utility model is related to a kind of minimally invasive manadesma closer of integrative-structure, including clamping pliers and puncture needle, clamping pliers include housing and are arranged on the interior pull bar of housing, the end of pull bar is fixedly connected with wire casing gland, the end of wire casing gland is provided with solidus groove, connected between housing exterior walls and the side wall of wire casing gland by the connected with outer casing group of two groups of relative housing axis speculars, the support housing B that the support housing A and end that connected with outer casing group is connected including end with housing exterior walls are connected with wire casing gland；Constraint wire casing is provided with housing correspondence support housing A side wall；Line opening was coaxially arranged with support housing A, puncture needle includes cannula body, the collar is additionally provided with cannula body, the draw bar being slidably connected with cannula body inwall is fixed with the collar, opening is provided with the collar, elastic closure is realized in the axial two ends of the opening of the collar under the extruding of cannula body inwall.

Description

A kind of minimally invasive manadesma closer of integrative-structure

Technical field

The utility model is related to a kind of minimally invasive manadesma closer of integrative-structure, belongs to medical instruments field.

Background technology

In recent years, have the advantages that wound is small, it is fast to recover, cure rate is high minimally invasive surgery is quickly grown, laparoscopic surgery As the representative of minimally invasive surgery, it is related to many diseases and operation, is widely used in surgical field.

Laparoscopic procedures are as follows：

Applying general anesthesia, --- minimally invasive stamp mouth --- artificial pneumoperitoneum puts laparoscopic visualization --- the operation group cooperation of row completes phase Closing organs resection, --- the coagulation surface of a wound stops blooding, and rinses surface of a wound observation (putting drainage tube if necessary) --- is taken out by small stamp mouth and cut off Focus and calculus --- otch deep tissue suture epidermis adhesive operation is finished.

It is general in laparoscopic surgery to carry out myometrial suture, China Patent Publication No. CN203789968U using manadesma closer A kind of manadesma stitching unstrument and its positioner, including locator and suture guid needle are disclosed, locator includes body, a pair of wings Piece and guiding core, guiding core in the body, a pair of fins can by guide core an open mode and a closure state it Between activity；Although the manadesma stitching unstrument can simplify stitching step, make peritoneal cavity fascia suture more simple and convenient, suturing Cheng Zhong, medical worker is difficult directly perceived, judges suture depth exactly, causes the suture depth of abdominal wall tissue both sides inconsistent, shadow Ring sewing effect.

In addition, above-mentioned manadesma stitching unstrument and its positioner are filled with resilient mat layer on the through hole of stitching unstrument fin, Guid needle with suture contacts and passes through the resilient mat layer on fin, is squeezed when extracting guid needle using resilient mat layer Push down suture so that suture one end is limited on a fin, suture will not follow guid needle to exit together, so that complete Into the suture of the fascia layer in pleuroperitoneum deep；But in actual sewing process, it is directed to the resilient mat layer that pin is repeatedly punctured.

Easily laying breakage occur causes the suture can not to be clamped, or even occurs damaged laying chip and be lost in trouble Harsh conditions in person's body.

Therefore exist, the novel suture that a kind of use guide cylinder replaces traditional laying is proposed in CN205268211U Device, while set the scale to realize depthkeeping on puncture needle, compared to gasket construction, guide cylinder in the technical scheme will not be because Occur breakage to puncture repeatedly, but the difficulty that guide cylinder is removed from human body is also larger；And the pivot structure of the expansion wing Production is complex, and the infringement possibility that hinge arrangement is brought to tissue is also higher.

Utility model content

The technical problems to be solved in the utility model is：Overcome minimally invasive manadesma closer complex structure in the prior art, tear open Unloading difficult technical problem, there is provided a kind of insertion section sectional area is small, it is easy to dismantles, and the Novel integrated structure that structure was greatly simplified Minimally invasive manadesma closer.

The utility model solves the technical scheme that its technical problem used：

A kind of minimally invasive manadesma closer of integrative-structure, including clamping pliers and puncture needle, the clamping pliers include housing and set The pull bar in housing is put, the end of the pull bar is fixedly connected with a wire casing gland, in the end of wire casing gland A solidus groove is provided with, passes through two groups of relative housing axis mirror images pair between the housing exterior walls and the side wall of wire casing gland The connected with outer casing group connection of title, the connected with outer casing group include support housing A that end is flexibly connected with housing exterior walls with And the support housing B that an end is flexibly connected with wire casing gland, also to be soft between the support housing A and support housing B Property connection；A constraint cableties are wherein provided with housing correspondence support housing A side wall, is buckled in lashing wire and is provided with beam Thread groove, the opening axis of constraint wire casing is located in the tangential direction of shell；One is coaxially arranged with the support housing A The line opening excessively of bar shaped, the constraint wire casing is located on the axis of opening；The puncture needle includes a cannula body, needle tubing master Body is hollow tubular structures, and a surface and the inclined puncture of cannula body axis are provided with axial one end of cannula body Face, is additionally provided with a collar, the collar in the cannula body and is fixed with one and cannula body inwall slip company The draw bar connect, the collar is made of elastomeric material, and an opening, the opening of the collar are provided with the collar Axial two ends realize elastic closure under the extruding of cannula body inwall.

As further improvement of the utility model, a movable block is provided with the end of the pull bar, described It is provided with housing in a moving hole moved for movable block, the moving hole and is provided with a shifting chute, in the movement A sliding block for being embedded into shifting chute is fixedly connected with block, two fixture blocks are symmetrically arranged with the axis both sides of the sliding block, A neck corresponding with foregoing fixture block is each provided with the axial two ends of the shifting chute.

As further improvement of the utility model, the middle part of the connected with outer casing is coaxially fixed with a movable sleeving, A pull bar moving hole is provided with housing, pull bar moving hole extends to the end of movable sleeving, and the constraint wire casing is fixed on shifting On the side wall of dynamic set.

As further improvement of the utility model, the support housing A, support housing B, wire casing gland outer wall and shell It is structure as a whole between external wall, a connection for being used to be connected between housing exterior walls is provided with the support housing A Bar A；A connection strap B for being used to be connected with support housing A is provided with one end of the support housing B；In the support A connection strap C for being used to be connected with wire casing gland outer wall is provided with the shell B other end.

As further improvement of the utility model, the link position of the support housing A and housing exterior walls are symmetrical arranged There are the breach A, the connection strap A of two arcs between the breach A of two arcs；The support housing B and support housing A Link position be symmetrically arranged with the breach B of two arcs, the connection strap B is located between the breach B of two arcs；The branch The breach C, the connection strap C that support shell B is symmetrically arranged with two arcs with the link position of wire casing gland outer wall are located at two Between the breach C of individual arc.

As further improvement of the utility model,：A guiding device, the guiding are additionally provided with the housing exterior walls Device includes a guide sleeves and the guided rings for the taper being arranged in guide sleeves, and guide sleeves and guided rings are structure as a whole, The guide sleeves are symmetrically arranged with two cable clamping interfaces, and the opening of the cable clamping interface extends to the outer wall of guided rings, in the guiding Two groups of bullports are provided with ring, the auxiliary bullport coaxially with foregoing bullport is provided with the guided rings, wherein, draw The axis of guide hole and the annular outer wall of shell are tangent, and are obliquely installed between the axis of shell, and two groups of bullports are relative The axis of shell is centrosymmetric.

As further improvement of the utility model, the inwall of the cable clamping interface is provided with the tread plate of rubber system.

As further improvement of the utility model, the puncture needle also includes a driving handle, the cannula body The one end for dorsad puncturing face is fixedly connected with driving handle, and a sliding shoe is slidably connected in the driving handle, is slided One end of block is fixedly connected by a return spring and driving handle elastic connection, the draw bar with sliding shoe, draw bar Slided under the driving of sliding shoe along cannula body, the collar penetrates into cannula body inwall under the driving of return spring.

As further improvement of the utility model, a positioning hole is additionally provided with the driving handle, described An inserted block corresponding with foregoing positioning hole is elasticly connected with sliding shoe, when the collar is extend out to outside cannula body, inserted block It is embedded into foregoing positioning hole.

The beneficial effects of the utility model are：

1st, the utility model replaces traditional wing formula deployed configuration by the guy structure of a shell-type multi link, contrasts many The closed ring pushing structure of connecting rod and lever-type wing formula deployed configuration, closed linkage structure is compared to open type linkage structure With higher stability, it is not easy to get loose；Shell and the related support housing for serving as connecting rod can use integrated injection molding, And be molded by relevant device turning, the process that the later stage carries out man-made assembly again is eliminated, cost is reduced, decreases material Use.

2nd, puncture needle employs portable ferrule arrangement and instead of traditional overhead structure, and overhead structure is easily being extracted out When, injury is produced to human body, and the lasso of this structure can be hidden in puncture needle when extracting out, will not be produced extra to acupuncture Band of position is come the bulge-structure that influences.

3rd, mobile block structure can realize one hand, and single finger driving reduces personnel demand during operation, improves effect Rate.

4th, the fixture block on movable block can realize that movable block relatively moves the locking in hole, bodily tissue when will not be because of operation Extruding and cause releasing for multi-link structure, improve stability, also improve ease during one man operation.

5th, arc notch improves the interval of rotation so that narrow bars will not be because rotational angle is excessive and occurs local repeatedly Tear.

6th, guiding device facilitates the guiding insertion of puncture needle, improves therapeutic efficiency, reduces the error of insertion, prevent from repeatedly wearing Pierce the wound brought to patient.

7th, tread plate suture can be prevented when bar linkage structure deploys and puncture needle carry out threading when, suture occur Release, improve the stability of operation.

8th, the fixed block that driving handle is improved in the Discussing Convenience that puncture needle is used, driving handle also greatly facilitates set The movement of ring, simplifies operation, improves efficiency, and diastole spring can realize the self-return of the collar, so as to realize to suture The Automatic-clamping of line, reduces and punctures quantity, during reduction is punctured every time, the probability that suture is released.

9th, inserted block can realize the locking to the collar, when preventing bracing wire, because the insufficient clamping force of the collar, and suture occurs Release.

Brief description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the diagrammatic cross-section of clamping pliers；

Fig. 2 is the front view of clamping pliers；

Fig. 3 is the schematic diagram of puncture needle；

Fig. 4 is threading schematic diagram when clamping pliers are opened；

Fig. 5 is position view when puncture needle is sutured.

In figure：1st, shell；2nd, pull bar；3rd, guide sleeves；4th, guided rings；5th, movable sleeving；6th, wire casing is fettered；7th, support housing A； 8th, support housing B；9th, wire casing gland；10th, solidus groove；11st, cable clamping interface；12nd, movable block；13rd, sliding block；14th, moving hole；15、 Aid in bullport；16th, bullport；17th, shifting chute；18th, neck；19th, cannula body；20th, draw bar；21st, the collar；22nd, drive Handle；23rd, sliding shoe；24th, positioning hole；25th, pushing plate；26th, fixture block.

Embodiment

The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.

Such as Fig. 1 ~ 3, a kind of minimally invasive manadesma closer of integrative-structure, including clamping pliers and puncture needle, the clamping pliers include Housing and the interior pull bar 2 for being arranged on housing, the end of the pull bar 2 are fixedly connected with a wire casing gland 9, solid in wire casing Fixed first 9 end is provided with a solidus groove 10, relative by two groups between the housing exterior walls and the side wall of wire casing gland 9 1 group of connection of connected with outer casing of housing axis specular, 1 group of the connected with outer casing includes an end and connected with housing exterior walls flexibility Support housing B8, the support housing A7 that the support housing A7 connect and end are flexibly connected with wire casing gland 9 and Also it is flexible connection between support housing B8；Wherein a lashing wire is provided with housing correspondence support housing A7 side wall Button, buckles in lashing wire and is provided with constraint wire casing 6, and the opening axis of constraint wire casing 6 is located in the tangential direction of shell 1；Institute The line opening excessively that a bar shaped is coaxially arranged with support housing A7 is stated, the constraint wire casing 6 is located on the axis of opening；It is described Puncture needle includes a cannula body 19, and cannula body 19 is hollow tubular structures, is set in axial one end of cannula body 19 There are a surface and the inclined puncture face of the axis of cannula body 19, a collar 21 be additionally provided with the cannula body 19, A draw bar 20 being slidably connected with the inwall of cannula body 19 is fixed with the collar 21, the collar 21 is using elastic material Material is made, and an opening is provided with the collar 21, the axial two ends of the opening of the collar 21 are in cannula body 19 Elastic closure is realized under the extruding of wall.

Such as Fig. 1 ~ 2, a movable block 12 is provided with the end of the pull bar 2, one is provided with the housing A shifting chute 17 is provided with the moving hole 14 moved for movable block 12, the moving hole 14, it is solid on the movable block 12 Surely a sliding block 13 for being embedded into shifting chute 17 is connected with, two fixture blocks are symmetrically arranged with the axis both sides of the sliding block 13 26, a neck 18 corresponding with foregoing fixture block 26 is each provided with the axial two ends of the shifting chute 17；

The middle part of the connected with outer casing 1 is coaxially fixed with a movable sleeving 5, and a pull bar 2 is provided with housing and is moved Hole 14, the moving hole 14 of pull bar 2 extends to the end of movable sleeving 5, and the constraint wire casing 6 is fixed on the side wall of movable sleeving 5；

It is structure as a whole between the support housing A7, support housing B8, the outer wall of wire casing gland 9 and housing exterior walls, A connection strap A for being used to be connected between housing exterior walls is provided with the support housing A7；The support housing B8's A connection strap B for being used to be connected with support housing A7 is provided with one end；Set on the other end of the support housing B8 There is a connection strap C for being used to be connected with the outer wall of wire casing gland 9；

The link position of the support housing A7 and housing exterior walls are symmetrically arranged with the breach A of two arcs, the connection Bar A is located between the breach A of two arcs；The support housing B8 and support housing A7 link position is symmetrically arranged with two The breach B, the connection strap B of arc are between the breach B of two arcs；Outside the support housing B8 and wire casing gland 9 The link position of wall is symmetrically arranged with the breach C, the connection strap C of two arcs between the breach C of two arcs；

A guiding device is additionally provided with the housing exterior walls, the guiding device includes a guide sleeves 3 and is arranged on The guided rings 4 of taper in guide sleeves 3, guide sleeves 3 and guided rings 4 are structure as a whole, and two are symmetrically arranged with the guide sleeves 3 Individual cable clamping interface 11, the opening of the cable clamping interface 11 extends to the outer wall of guided rings 4, and being provided with two groups in the guided rings 4 draws Guide hole 16, is provided with the auxiliary bullport 15 coaxial with foregoing bullport 16 in the guided rings 4, wherein, bullport 16 The annular outer wall of axis and shell 1 is tangent, and is obliquely installed between the axis of shell 1, and two groups of bullports 16 are relatively outer The axis of shell 1 is centrosymmetric；

The inwall of the cable clamping interface 11 is provided with the tread plate of rubber system.

Such as Fig. 3, the puncture needle also includes a driving handle 22, the cannula body 19 dorsad punctures face one end and Driving handle 22 is fixedly connected, and a sliding shoe 23 is slidably connected in the driving handle 22, and one end of sliding shoe 23 leads to A return spring and the elastic connection of driving handle 22 are crossed, the draw bar 20 is fixedly connected with sliding shoe 23, and draw bar 20 exists Slided under the driving of sliding shoe 23 along cannula body 19, the collar 21 is penetrated under the driving of return spring in cannula body 19 Wall；

A positioning hole 24 is additionally provided with the driving handle 22, one is elasticly connected with the sliding shoe 23 With the corresponding inserted block of foregoing positioning hole 24, when the collar 21 extend out to 19 outside of cannula body, inserted block is embedded into foregoing positioning In hole 24；

In the utility model, driving handle 22, shell 1 can be made of elastomeric material.

Such as Figure 4 and 5, the sewing process of laparoscope is carried out such as using the minimally invasive manadesma closer of the integrative-structure of the technical program Under：

1st, the two ends of suture are penetrated into the cable clamping interface 11 of guiding device so that wire casing is snapped onto in the middle part of suture and is consolidated In fixed first 9 solidus groove 10, while so that the suture between cable clamping interface 11 and solidus groove 10 snaps onto the constraint of constraint cableties In wire casing 6；So as to realize the setting of suture；

2nd, the shell 1 of the position of clamping pliers case top is held so that pushing plate 25 of the thumb press at the top of shell 1 On, this structure is inserted into incision of abdominal wall, avoids tearing lower-hierarchy inserting domestic middle attention；

3rd, pressing sliding block 13 make it that fixture block 26 departs from neck 18, while pushing up sliding block 13 so that pull bar 2 promotes line Groove gland 9 is moved up；Now, support housing A7 and support housing B8 bend under the extruding of wire casing gland 9, make The support housing A7 and support housing B8 that the both sides of shell 1 must be located at deploy；Now one of those symmetrical half portion of suture Lease making, again to constraint wire casing 6, then arrives support housing A7 and support housing B8 junction again by cable clamping interface 11, outer via support Shell B8 outer wall is to solidus groove 10；

4th, the fixture block 26 of sliding block 13 is snapped onto in the neck 18 of the opposite side of shifting chute 17, realizes the fixation to connecting rod, now Support housing A7 and support housing B8 are fully deployed, and support housing A7 contacts realization branch with the inner surface of epidermis at incision of abdominal wall Support；

5th, puncture needle is inserted into the skin of incision of abdominal wall position via bullport 16 and auxiliary bullport 15 so that pin Pipe main body 19 through support housing A7 cross line opening with constraint wire casing 6 and support housing A7, support housing B8 junction it Between suture linear contact lay；

6th, the sliding shoe 23 on driving handle 22 is pushed into driving handle 22 so that inserted block is inserted into positioning hole 24 Interior, now, the collar 21 stretches out from cannula body 19, and the opening of the collar 21 is opened；The collar 21 is connected to suture by opening sleeve On line；

7th, inserted block is pressed so that the return under the driving of diastole spring of sliding shoe 23, the collar 21 comes back to cannula body In 19, the collar 21 is closed, so as to realize the socket of suture；By puncture needle via foregoing bullport 16 and auxiliary bullport 15 are extracted, and now one end of suture is drawn out from the skin site of puncture position before, and the suture of opposite side is equally like this Step operation, it is possible to realize the fixation of suture both sides；

Sliding block 13 is pressed again so that movable block 12 departs from, while thumb moves down sliding block 13, by housing Extracted from incision of abdominal wall, now by the movement of movable block 12, return occurs for pull bar 2 so that whole clamping pliers are returned to just The cylinder state of beginning, when preventing from extracting, is damaged, while pulling of the suture at middle part in solidus groove 10 to hypodermis Under be drawn out to from otch outside chamber, so as to realize the fixation of suture.

Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right Property scope.

Claims (9)

1. a kind of minimally invasive manadesma closer of integrative-structure, including clamping pliers and puncture needle, it is characterised in that：The clamping pliers include Housing and the interior pull bar for being arranged on housing, the end of the pull bar is fixedly connected with a wire casing gland, fixed in wire casing The end of head is provided with a solidus groove, passes through two groups of relative housing axles between the housing exterior walls and the side wall of wire casing gland The connected with outer casing group connection of line specular, the connected with outer casing group includes the support that an end is flexibly connected with housing exterior walls The support housing B that shell A and an end are flexibly connected with wire casing gland, between the support housing A and support housing B Also it is flexible connection；A constraint cableties are wherein provided with housing correspondence support housing A side wall, buckles and sets in lashing wire Constraint wire casing is equipped with, the opening axis of constraint wire casing is located in the tangential direction of shell；It is coaxially disposed on the support housing A There is the line opening excessively of a bar shaped, the constraint wire casing is located on the axis of opening；The puncture needle includes a cannula body, Cannula body is hollow tubular structures, and axial one end of cannula body is provided with a surface and cannula body axis is inclined Puncture face, is additionally provided with a collar, the collar in the cannula body and is fixed with one and cannula body inwall cunning The draw bar of dynamic connection, the collar is made of elastomeric material, and an opening is provided with the collar, the collar Elastic closure is realized under the extruding of cannula body inwall in the axial two ends of opening.

2. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 1, it is characterized in that：On the end of the pull bar A movable block is provided with, is provided with a moving hole moved for movable block, the moving hole and sets in the housing There is a shifting chute, a sliding block for being embedded into shifting chute is fixedly connected with the movable block, in the axis of the sliding block Both sides are symmetrically arranged with two fixture blocks, and a card corresponding with foregoing fixture block is each provided with the axial two ends of the shifting chute Groove.

3. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 1, it is characterised in that：In the connected with outer casing Portion is coaxially fixed with a movable sleeving, and a pull bar moving hole is provided with housing, and pull bar moving hole extends to movable sleeving End, the constraint wire casing is fixed on the side wall of movable sleeving.

4. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 1, it is characterized in that：The support housing A, support It is structure as a whole between shell B, wire casing gland outer wall and housing exterior walls, being provided with one on the support housing A is used for The connection strap A being connected between housing exterior walls；One is provided with one end of the support housing B is used for and support housing A The connection strap B of connection；A company for being used to be connected with wire casing gland outer wall is provided with the other end of the support housing B Narrow bars C.

5. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 4, it is characterized in that：The support housing A and shell The link position of external wall is symmetrically arranged with the breach A, the connection strap A of two arcs between the breach A of two arcs； The breach B, the connection strap B that the support housing B and support housing A link position is symmetrically arranged with two arcs are located at two Between the breach B of individual arc；The link position of the support housing B and wire casing gland outer wall is symmetrically arranged with two arcs Breach C, the connection strap C are between the breach C of two arcs.

6. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 1, it is characterized in that：Also set in the housing exterior walls A guiding device is equipped with, the guiding device includes a guide sleeves and the guided rings for the taper being arranged in guide sleeves, guiding Set and guided rings are structure as a whole, and are symmetrically arranged with two cable clamping interfaces in the guide sleeves, the opening of the cable clamping interface is extended to The outer wall of guided rings, is provided with two groups of bullports in the guided rings, is provided with the guided rings and foregoing bullport Coaxial auxiliary bullport, wherein, the axis of bullport and the annular outer wall of shell are tangent, and are tilted between the axis of shell Set, the axis of two groups of bullport opposite shells is centrosymmetric.

7. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 6, it is characterized in that：In the inwall of the cable clamping interface It is provided with the tread plate of rubber system.

8. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 1, it is characterized in that：The puncture needle also includes one Individual driving handle, one end that the cannula body dorsad punctures face is fixedly connected with driving handle, sliding in the driving handle Dynamic to be connected with a sliding shoe, one end of sliding shoe passes through a return spring and driving handle elastic connection, the draw bar It is fixedly connected with sliding shoe, draw bar is slided under the driving of sliding shoe along cannula body, the collar is under the driving of return spring Penetrate into cannula body inwall.

9. a kind of minimally invasive manadesma closer of integrative-structure as claimed in claim 8, it is characterized in that：On the driving handle also A positioning hole is provided with, an inserted block corresponding with foregoing positioning hole is elasticly connected with the sliding shoe, when the collar is stretched When going out to cannula body, inserted block is embedded into foregoing positioning hole.