CN209611222U - Acleistocardia stitching unstrument - Google Patents
Acleistocardia stitching unstrument Download PDFInfo
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- CN209611222U CN209611222U CN201822027543.9U CN201822027543U CN209611222U CN 209611222 U CN209611222 U CN 209611222U CN 201822027543 U CN201822027543 U CN 201822027543U CN 209611222 U CN209611222 U CN 209611222U
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- stretcher
- acleistocardia
- clamping limb
- push rod
- wire ligature
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Abstract
The utility model provides a kind of acleistocardia stitching unstrument, is related to medical suturing skill field, solves existing acleistocardia operation and is difficult to key approximation suture, is easy there is technical issues that using plugging device implantation;The device includes pushing part, the stretcher being connect with pushing part, the head of stretcher is provided with wire ligature and two clamping limbs, it is drawn respectively by the fixing groove on clamping limb at the both ends of wire ligature, push rod is provided on pushing part, push rod is pushed, it is extended and retracted that two clamping limbs can draw wire ligature;Two pull needles, can protrude into guide groove, and guide groove pushes pull needle inside stretcher, can hold the both ends of wire ligature and pass through diaphragm and fix two diaphragms;The utility model carries out minimally invasive closure for realizing acleistocardia or atrial septal defect, it is ensured that sutures in accurate location, reduces the complication caused after being implanted by plugging device.
Description
Technical field
The utility model relates to medical suturing skill fields, more particularly, to a kind of acleistocardia stitching unstrument.
Background technique
Oval foramen is closed on the 1st year generally after life, is not closed title acleistocardia still if more than 3 years old child's oval foramen,
There is 20%~25% oval foramen not completely closed in adult.Acleistocardia is most commonly seen congenital in current adult
Heart abnormality.In recent years many studies have shown that, there is close between acleistocardia and unknown cause patients with cerebral apoplexy
Connection, for etiological treatment, closes the oval foramen of the opening of people at highest risk, is expected to reduce the incidence of patient.In addition, it has been found that
Acleistocardia is related with the morbidity of decompression sickness, migraine etc., and closure oval foramen may be beneficial to above-mentioned patient.
Applicants have discovered that the prior art at least has following technical problem: the mode of the existing above-mentioned disease for the treatment of is to utilize
Operation is blocked, places a biggish metal atrial septal defect plugging device in vivo.The above-mentioned usual volume of plugging device is larger, and by
In internal cardiac structures complexity, and plugging device is placed in heart, many patients are not easily accepted by, and in the recent period and long term may all increase
Add the occurrence risk of complication, it is difficult to accomplish to discharge recycling repeatedly.
Utility model content
The purpose of this utility model is to provide a kind of acleistocardia stitching unstruments, existing in the prior art existing to solve
There is acleistocardia operation to be difficult to key approximation suture, is easy there is technical issues that using plugging device implantation;This is practical new
Many technical effects elaboration as detailed below that the optimal technical scheme in many technical solutions that type provides can be generated.
To achieve the above object, the utility model provides following technical scheme:
Acleistocardia stitching unstrument provided by the utility model, comprising:
Pushing part,
The stretcher connecting with the pushing part, the head of the stretcher are provided with wire ligature and two clamping limbs,
The both ends of the wire ligature are drawn by the fixing groove on clamping limb respectively, and push rod is provided on the pushing part, push institute
Push rod is stated, it is extended and retracted that two clamping limbs can draw the wire ligature;
Two pull needles, can protrude into guide groove, and the guide groove pushes the pull needle inside the stretcher,
Two diaphragms are simultaneously fixed across diaphragm in its both ends that can hold the wire ligature.
Preferably, the pull needle is shape-memory material, and the guide groove has oblique face, institute close at the clamping limb
The oblique side-walls towards the stretcher are stated to extend.
Preferably, the end of the pull needle is hook formation.
Preferably, the clamping limb is elastic metallic material, and two clamping limbs are oppositely arranged.
Preferably, it is provided with clamp arm fixing groove on the side wall of the close clamping limb of the stretcher, described push away of pulling back
When lever, the clamping limb is bounced back in the clamp arm fixing groove.
Preferably, there are two string holes, two string holes are set to the clamping limb for the head setting of the stretcher
Both ends, the both ends of the wire ligature are pulled in respectively on two clamping limbs, and the middle part of the wire ligature passes through two
The string holes.
Preferably, the clamping limb is connected with draw bar close to one end of the pushing part, the draw bar with it is described
The opposite one end of clamping limb connects the pushing part.
Preferably, spring fixing groove is provided in the pushing part, it is solid that the tail portion of the stretcher extends to the spring
Determine in slot, compressed spring is fixedly installed in the spring fixing groove, and is sheathed on the tail portion periphery of the draw bar, it is described to push away
The preceding inlet side of bar is connect with the draw bar, and the preceding inlet side of the push rod abuts the compressed spring, pushes the push rod institute
Compressed spring is stated to be compressed so that the draw bar advances and pushes the clamping limb open configuration.
Preferably, the stretcher is provided with syringe needle push-in portion at the pushing part, syringe needle push-in portion with
The guide groove perforation, the pull needle are entered in the guide groove by syringe needle push-in portion.
Preferably, the push rod by push rod slot be set to the medium position of the stretcher and with the stretcher it is coaxial
Setting, two guide grooves are set to the periphery of the push rod slot.
Acleistocardia stitching unstrument provided by the utility model has the following beneficial effects: 1, leads to compared with prior art
Cross catheter sheath inserter by above-mentioned stretcher through upper and lower extremities vein to atrium at, by radiography observation positioning at oval foramen, push away
Dynamic push rod, clamping limb open, and push the wire ligature on pull needle traction clamping limb, wear when drawing wire ligature by pull needle
After piercing diaphragm, stretcher is rotated, the both ends of wire ligature wind closure, and above structure can realize that acleistocardia or atrial septum lack
Damage carries out minimally invasive closure, it is ensured that sutures in accurate location, reduces the complication caused after being implanted by plugging device.
2, degradable wire ligature can be selected in wire ligature, harmless, such as magnesium alloy, and wire ligature is conducive to
It is strained and fixed by being fastened, and by the diaphragm that two are closed.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of stretcher in the utility model acleistocardia stitching unstrument;
Fig. 2 is the structural schematic diagram of pushing part;
Fig. 3 is the sectional view in Fig. 2 at A-A;
Fig. 4 is the schematic diagram of stretcher working condition;
Fig. 5 is the schematic diagram after wire ligature suture oval foramen.
1, pushing part in figure;101, compressed spring;102, push rod;103, spring fixing groove;2, stretcher;3, metal stitches
Line;4, clamping limb;5, fixing groove;6, pull needle;7, guide groove;701, oblique face;8, string holes;9, draw bar;10, syringe needle is pushed into
Portion;11, push rod slot;12, diaphragm;13, clamp arm fixing groove.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In the description of the present invention, it should be understood that term " center ", " length ", " width ", " height ",
The instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
The utility model provides a kind of acleistocardia stitching unstrument, and referring to Figures 1 and 2, Fig. 1 is the utility model oval
The structural schematic diagram of stretcher in the patent stitching unstrument of hole, Fig. 2 are the structural schematic diagrams of pushing part;It include: pushing part 1, with promotion
The stretcher 2 that portion 1 connects, the head of stretcher 2 are provided with wire ligature 3 and two clamping limbs 4, the both ends point of wire ligature 3
Not Tong Guo the fixing groove 5 on clamping limb 4 draw, push rod 2 is provided on pushing part 1, pushes push rod 2, two clamping limbs 4 can be drawn
Wire ligature 3 is extended and retracted;
Two pull needles 6, can protrude into guide groove 7, and guide groove 7 pushes pull needle 6, can hold inside stretcher 2
The both ends of wire ligature 3 are simultaneously fixed by two diaphragms 12 across diaphragm 12.
The beneficial effect of above-mentioned apparatus is, by catheter sheath inserter by above-mentioned stretcher 2 through upper and lower extremities vein to atrium
Place pushes push rod 2 at radiography observation positioning to oval foramen, and clamping limb 4 opens, and pull needle 6 is pushed to draw on clamping limb 4
Wire ligature 3, when by pull needle 6 draw wire ligature 3 puncture diaphragm 12 after, rotate stretcher 2, the two of wire ligature 3
End winding closure, above structure can realize that acleistocardia or atrial septal defect carry out minimally invasive closure, it is ensured that stitch in accurate location
It closes, reduces the complication caused after being implanted by plugging device.
Wherein, magnesium alloy, titanium alloy etc. can be used in above-mentioned wire ligature 3, with good histocompatbility, magnesium alloy
It is harmless for degradable alloy;And selecting the benefit of wire ligature is that, when rotating stretcher 2, metallic material is beneficial
It is fixed in spooling.It should be understood that the length of above-mentioned wire ligature 3 can select suitable length determines according to actual conditions
It can be without being cut off to wire ligature 3.
Fixing groove 5 on above-mentioned clamping limb 4 is slightly fixed to wire ligature 3, may be configured as metal ring and is set in fixation
On slot 5, when pull needle 6 passes through above-mentioned becket, one end of wire ligature 3 on clamping limb 4 by being detached from by the traction of pull needle 6 simultaneously
Across diaphragm 12.
As optional embodiment, pull needle 6 is shape-memory material, and guide groove 7 has oblique face close at clamping limb 4
701, oblique face 701 extends to the side-walls of stretcher 2.
Pull needle 6 is pushed, is advanced in guide groove 7, when the pressure by oblique face 701, pull needle 6 is bent and stretches out
Guide groove 7 is a certain included angle with stretcher 2, continues to press on pull needle 6, and pull needle 6 is to extending at wire ligature 3.Wherein, it selects
Shape memory metallic material is readily bent when pressure of the pull needle 6 by oblique face 701.Alternatively, pull needle 6 can also
It is made of Elastic Steel or surgery stainless steel elastomeric material.
Wire ligature 3 is drawn for the ease of pull needle 6 and passes through diaphragm 12, as optional embodiment, referring to Fig. 4, Fig. 4
It is the schematic diagram of stretcher working condition, the end of pull needle 6 is hook formation.
As optional embodiment, clamping limb 4 is elastic metallic material, and two clamping limbs 4 are oppositely arranged.Or clamping
Arm 4 is made of the flexible shape-memory material of elasticity, such as ambrose alloy, titanium ferronickel, titanium nickel chromium triangle Ni-Ti alloy etc. by the emperor himself.
As optional embodiment, it is provided with clamp arm fixing groove 135 on the side wall of the close clamping limb 4 of stretcher 2, is returned
When drawing catch bar, clamping limb 4 is bounced back in clamp arm fixing groove 13.When pushing push rod 2, clamping limb 4 advances therewith, works as clamping limb
4 when being pushed in clamp arm fixing groove 13, and the clamping limb 4 of shape memory metal material is no longer influenced by the inner wall clamping of stretcher 2, becomes
For open configuration, while wire ligature 3 is opened into a certain distance, convenient for the traction of next step pull needle 6.
For the ease of fixed wire ligature 3, prevent wire ligature 3 from falling off, as optional embodiment, stretcher 2
Head setting is there are two string holes 8, and two string holes 8 are set to the both ends of clamping limb 4, and the both ends of wire ligature 3 are pulled in two respectively
On a clamping limb 4, the middle part of wire ligature 3 passes through two string holes 8.When pull needle 6 draws the wire ligature 3 on clamping limb 4,
As the meeting of pull needle 6 is drawn, wire ligature 3 is deviate from from string holes 8, is fixed convenient for the spooling of next step.
For the ease of pushing clamping limb 4, as optional embodiment, clamping limb 4 is connected with close to one end of pushing part 1
One end opposite with clamping limb 4 of draw bar 9, draw bar 9 connect pushing part 1.
As optional embodiment, referring to Fig.1, spring fixing groove 103, the tail portion of stretcher 2 are provided in pushing part 1
It extends in spring fixing groove 103, compressed spring 101 is fixedly installed in spring fixing groove 103, and be sheathed on draw bar 9
Tail portion periphery, the preceding inlet side of push rod 2 are connect with draw bar 9, and the preceding inlet side of push rod 2 abuts compressed spring 101, push push rod 2
Compressed spring 101 is compressed so that draw bar 9 advances and pushes 4 open configuration of clamping limb.
When pushing pushing part 1, compressed spring 101 is compressed, while push rod 2 pushes the advance of draw bar 9, draw bar 9
The fixed clamping limb 4 of the other end be detached from the clamping of 2 inner wall of stretcher and be in open configuration;When completion pull needle 6 is to metal
After the traction of suture 3, push rod 2, the homing under the elastic force of compressed spring 101 of push rod 2 are no longer pushed.
Enter stretcher 2 for the ease of pull needle 6, pulls wire ligature 3 to puncture diaphragm 12, as optional embodiment party
Formula is provided with syringe needle push-in portion 10 referring to Fig. 2 at the close pushing part 1 of stretcher 2, syringe needle push-in portion 10 and guide groove 7 penetrate through,
Pull needle 6 is entered in guide groove 7 by syringe needle push-in portion 10.
It can move forward and backward in stretcher 2 for the ease of making draw bar 9 and pull needle 6, implement as optional
Mode, referring to Fig. 3, push rod 2 is set to the medium position of stretcher 2 by push rod slot 11 and is coaxially disposed with stretcher 2, two
Guide groove 7 is set to the periphery of push rod slot 11.
A kind of acleistocardia stitching unstrument that the utility model specific embodiment part provides, use process is can to borrow
Help catheter sheath inserter by above-mentioned stretcher 2 through upper and lower extremities vein to atrium at, by radiography observation positioning at oval foramen, push away
Dynamic pushing part 1, drives clamping limb 4 to advance at clamp arm fixing groove 13, and clamping limb 4 is detached from the inner wall clamping of stretcher 2, becomes opening
Open state, while fixing groove 5 thereon pulls open wire ligature 3, the both ends of wire ligature 3 are clamped arm 4 respectively and draw, and metal
The middle part of suture 3 passes through two string holes 8, prevents from falling off;Pull needle 6 is pushed into the guide groove of stretcher 2 by syringe needle push-in portion 10
7, when entering oblique face 701, syringe needle bending punctures diaphragm 12, pull needle 6 of pulling back after hook-shaped syringe needle pulling wire ligature 3,
Pull needle 6 drives wire ligature 3 to pass through the both ends puncture movement of diaphragm 12 that diaphragm 12 completes wire ligature 3, and rotation extends later
Device 2,3 spooling of wire ligature, wire ligature state are as shown in Figure 5;Withdrawal stretcher 2, the tension diaphragm 12 of wire ligature 3, one section
Time metacneme 12 is long to be closed.
In the description of this specification, specific features, structure or feature can in any one or more embodiments or
It can be combined in any suitable manner in example.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of acleistocardia stitching unstrument characterized by comprising
Pushing part,
The stretcher connecting with the pushing part, the head of the stretcher is provided with wire ligature and two clamping limbs, described
The both ends of wire ligature are drawn by the fixing groove on clamping limb respectively, are provided with push rod on the pushing part, are pushed away described in promotion
Bar, it is extended and retracted that two clamping limbs can draw the wire ligature;
Two pull needles, can protrude into guide groove, and the guide groove pushes the pull needle, energy inside the stretcher
It holds the both ends of the wire ligature and passes through diaphragm and fix two diaphragms.
2. acleistocardia stitching unstrument according to claim 1, which is characterized in that the pull needle is shape memory material
Material, the guide groove have oblique face close at the clamping limb, and the oblique side-walls towards the stretcher extend.
3. acleistocardia stitching unstrument according to claim 2, which is characterized in that the end of the pull needle is hook-shaped knot
Structure.
4. acleistocardia stitching unstrument according to claim 1, which is characterized in that the clamping limb is elastic metallic material
Matter, two clamping limbs are oppositely arranged.
5. acleistocardia stitching unstrument according to claim 4, which is characterized in that the close clamping of the stretcher
Clamp arm fixing groove is provided on the side wall of arm, pull back the catch bar when, the clamping limb bounces back in the clamp arm fixing groove.
6. acleistocardia stitching unstrument according to claim 1, which is characterized in that the head of the stretcher is provided with two
A string holes, two string holes are set to the both ends of the clamping limb, and the both ends of the wire ligature are pulled in two institutes respectively
It states on clamping limb, the middle part of the wire ligature passes through two string holes.
7. acleistocardia stitching unstrument according to claim 1, which is characterized in that the clamping limb is close to the pushing part
One end be connected with draw bar, one end opposite with the clamping limb of the draw bar connects the pushing part.
8. acleistocardia stitching unstrument according to claim 7, which is characterized in that it is solid to be provided with spring in the pushing part
Determine slot, the tail portion of the stretcher extends in the spring fixing groove, and compression bullet is fixedly installed in the spring fixing groove
Spring, and it is sheathed on the tail portion periphery of the draw bar, the preceding inlet side of the push rod is connect with the draw bar, and the push rod
Preceding inlet side abuts the compressed spring, pushes compressed spring described in the push rod to be compressed so that the draw bar advances and pushes
The clamping limb open configuration.
9. acleistocardia stitching unstrument according to claim 1, which is characterized in that the close promotion of the stretcher
Syringe needle push-in portion is provided at portion, syringe needle push-in portion and the guide groove penetrate through, and the pull needle is pushed by the syringe needle
Portion enters in the guide groove.
10. acleistocardia stitching unstrument according to claim 1, which is characterized in that the push rod is arranged by push rod slot
In the stretcher medium position and be coaxially disposed with the stretcher, two guide grooves are set to the outer of the push rod slot
It encloses.
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CN201822027543.9U CN209611222U (en) | 2018-12-04 | 2018-12-04 | Acleistocardia stitching unstrument |
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CN201822027543.9U CN209611222U (en) | 2018-12-04 | 2018-12-04 | Acleistocardia stitching unstrument |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114469212A (en) * | 2020-11-12 | 2022-05-13 | 先健科技(深圳)有限公司 | Limiting device and suturing device |
CN114848059A (en) * | 2022-04-24 | 2022-08-05 | 潘湘斌 | Suturing device |
WO2023205973A1 (en) * | 2022-04-24 | 2023-11-02 | 潘湘斌 | Suturing apparatus |
CN117159058A (en) * | 2023-09-05 | 2023-12-05 | 南京思脉德医疗科技有限公司 | Pull button structure and stitching instrument |
CN117224179A (en) * | 2023-09-05 | 2023-12-15 | 南京思脉德医疗科技有限公司 | Stitch adjusting mechanism for suturing and suturing device for patent foramen ovale |
CN117257371A (en) * | 2023-09-05 | 2023-12-22 | 南京思脉德医疗科技有限公司 | Wire storage valve for in-vivo suture and suture device |
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2018
- 2018-12-04 CN CN201822027543.9U patent/CN209611222U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114469212A (en) * | 2020-11-12 | 2022-05-13 | 先健科技(深圳)有限公司 | Limiting device and suturing device |
CN114848059A (en) * | 2022-04-24 | 2022-08-05 | 潘湘斌 | Suturing device |
WO2023205973A1 (en) * | 2022-04-24 | 2023-11-02 | 潘湘斌 | Suturing apparatus |
CN117159058A (en) * | 2023-09-05 | 2023-12-05 | 南京思脉德医疗科技有限公司 | Pull button structure and stitching instrument |
CN117224179A (en) * | 2023-09-05 | 2023-12-15 | 南京思脉德医疗科技有限公司 | Stitch adjusting mechanism for suturing and suturing device for patent foramen ovale |
CN117257371A (en) * | 2023-09-05 | 2023-12-22 | 南京思脉德医疗科技有限公司 | Wire storage valve for in-vivo suture and suture device |
CN117224179B (en) * | 2023-09-05 | 2024-02-23 | 南京思脉德医疗科技有限公司 | Stitch adjusting mechanism for suturing and suturing device for patent foramen ovale |
CN117257371B (en) * | 2023-09-05 | 2024-05-03 | 南京思脉德医疗科技有限公司 | Wire storage valve for in-vivo suture and suture device |
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