CN103908732A - Spatial dilator for endoscopic thyroidectomy - Google Patents
Spatial dilator for endoscopic thyroidectomy Download PDFInfo
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- CN103908732A CN103908732A CN201410139055.0A CN201410139055A CN103908732A CN 103908732 A CN103908732 A CN 103908732A CN 201410139055 A CN201410139055 A CN 201410139055A CN 103908732 A CN103908732 A CN 103908732A
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- push rod
- connecting rod
- blade
- sleeve
- thyroid surgery
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Abstract
The invention discloses a spatial dilator for endoscopic thyroidectomy. The spatial dilator comprises a sleeve, a push rod capable of telescoping along the axial direction is arranged in the sleeve, a button matched with the push rod and capable of pushing the push rod to telescope is arranged outside the sleeve, the left side of an extending end of the push rod is movably connected with one end of a left connecting rod blade, and the right side of the same is movably connected with a right connecting rod blade. The other ends of the left connecting rod blade and the right connecting rod blade are respectively connected with a left cutter and a right cutter which are movably connected with ends of the sleeve. The other end of the push rod is connected with a handle. By the spatial dilator for endoscopic thyroidectomy, hurt to breast skin of patients is reduced, operation is simplified, and operation time can be effectively shortened.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, is the special space expander of device for endoscopic thyroid surgery.
Background technology
Thyroid disease is a kind of commonly encountered diseases, frequently-occurring disease, is especially mainly in young women, and operative treatment is one of final healing means of this disease, is also the most frequently used, the most effective means.Conventional therapy need to be left over an operative scar that is about 6 ~ 8cm at cervical region, leaves dense psychological shade to patient, has a strong impact on their daily life study and work.Device for endoscopic thyroid surgery has thoroughly changed this situation, in cure diseases, makes wound small hidden, has taken into account the advantage of safe thyroidectomize pathological changes and beauty treatment, obtains at present carrying out more and more widely.
In device for endoscopic thyroid surgery, need to use flap separator tool, existing subcutaneous separation stick as shown in Figure 1, is formed by connecting by handle and separation bar body, and separation bar body leading portion is taper shape or hammer-imitation type; When operation, at patient's a otch of chest excision, patient's joystick, subcutaneous separation stick is entered in patient body from otch, at the subcutaneous staggered circular channel of a lot of of isolating, chamber mirror and ultrasound knife are entered in the passage of firm foundation and operate, and these passages are separated to UNICOM become a complete operative space.The shortcoming of this subcutaneous separation stick has three: 1. the cutting of can only keeping straight on forward, the tissue of non-operative region is caused to unnecessary injury, and as shown in Figure 2, right oblique line part is to avoid the region of injury; 2. due to skin and the existence of the subcutaneus adipose tissue adhering to, by larger, consuming time longer the difficulty of a holonmic space of each passage UNICOM's one-tenth; 3. the passage of separating is narrow, and visual range is little, image fog.
Summary of the invention
In order to overcome the deficiencies in the prior art, reduce patient's skin of chest damage, the invention provides one is applied in device for endoscopic thyroid surgery, simple to operate, can expand rapidly subcutaneous operation space, and can reduce, to the hypodermic damage of non-operative region, effectively to shorten the device for endoscopic thyroid surgery space expander of operating time.
The present invention is achieved by the following technical solution:
The space expander that device for endoscopic thyroid surgery is used, comprise sleeve, in described sleeve, be provided with an energy along the flexible push rod of its axial direction, described sleeve is provided with one outward and coordinates with push rod and can promote the flexible button of push rod, and the left side of the external part of described push rod is flexibly connected with left connecting rod blade one end, right side is flexibly connected with right connecting rod blade one end; And the other end of left connecting rod blade, right connecting rod blade connects the left side cutter, the right side cutter that are movably connected with sleeve ends separately; The other end of push rod connects a handles.
The part that described push rod coordinates with button is provided with teeth groove, and one end of button matches with teeth groove, and the other end is connected on sleeve by a spring.
Be set with an elastic device being connected with the inside top of sleeve at the outer wall of described push rod.
Described left side cutter, right side cutter, left connecting rod blade, right connecting rod blade form a fan-shaped bar linkage structure symmetrical with respect to push rod.
All hinged between described left side cutter, right side cutter, left connecting rod blade, right connecting rod blade, push rod and sleeve.
Described handle is connected by screw the afterbody at push rod.
The spoon shape edges of regions of the outward flange of described left and right side tool and point of a knife has the knife edge, the outward flange of the middle straight bar part of left and right connecting rod blade has the knife edge, the knife edge of blade will be offset to the one side of next-door neighbour's push rod, can avoid like this join domain between blade or between blade and other member to occur space.
Described handle is provided with the shaft shoulder of avoiding dilator blade overdistension, and the little journal axle of handle is fixedly connected with push rod, and with little journal axle and internal surface of sleeve pipe be matched in clearance;
The cross sectional shape of described sleeve is oval, and sleeve tip hole is to stop push rod rotation square at the volley.
The end of described sleeve is provided with the flat handle that is available for users to carry out push-and-pull operation.
Distance relation between large footpath axial end and the push rod teeth groove of described handle is: when the large footpath of handle, axial end contacts with barrel end face,, when described left connecting rod blade, right connecting rod blade opens completely, button radula just in time coincide with last teeth groove gapless of push rod.
Use procedure of the present invention is as follows:
When operation, patient makes a left side, right side cutter is in merging phase, sleeve handle is in deviating from the direction of patient body, from the preferential end that cutter blade is installed of inserting of chest entry, progressively insert subsequently whole dilator, when the left side of dilator cutter, right side cutter, left connecting rod blade, when right connecting rod blade arrives precalculated position, by push rod propelling sleeve so that by left side cutter, right side cutter, left connecting rod blade, right connecting rod blades open, in opening procedure, can coordinate the small action of pumping, so that left side cutter, right side cutter, left connecting rod blade, right connecting rod blade separates and obstructs its connective tissue opening, left side cutter, right side cutter, left connecting rod blade, after right connecting rod blades open, patient can with space expander forward and the right and left, three directions are carried out the cutting of subcutaneous connective tissue, finally isolate a suitable fan-shaped operative space.Complete after surgical tasks, need to pin button, now, push rod just can exit by the strength of big spring outside sleeve, and blade is also being followed and merged, and in the time that blade is completely integrated, dilator can be extracted from incision.Beneficial effect of the present invention is as follows:
1. on push rod, be provided with triangle teeth groove, this teeth groove be connected to the button radula cooperating on sleeve, in the time that push rod enters sleeve, button radula does not do and stops, on the contrary button radula can stop the motion of push rod.
2. the end of push rod is provided with handle, is provided with the shaft shoulder on handle, after can making dilator open completely, stops handle and push rod further to go deep into sleeve, thereby avoids dilator blade overdistension.
3. in the little journal axle of handle, be provided with the structure that can be fixedly connected with push rod.The little journal axle of handle and internal surface of sleeve pipe are matched in clearance, in the plug campaign of push rod, play longitudinally guiding effect.
4. the tip hole of sleeve is square, and this structure can stop push rod rotation at the volley.
5. the end of sleeve is provided with the flat handle that is available for users to carry out push-and-pull operation, this handle preferably and sleeve be one so that simplified structure cuts down finished cost.
6. the cross sectional shape of sleeve is oval.Compare circular cross-sectional configuration, ellipse can alleviate the dilatation up and down of wound, reduces the skin injury to patient, can effectively prevent the phenomenon of postoperative subcutaneous fat liquefaction and hydrops.
7. the junction connector used of push rod and left and right connecting rod blade, for removably connecting, can be convenient to like this push rod and exit sleeve, is conducive to the sleeve inner operation that carries out disinfection.
8. the present invention, with respect to current subcutaneous segregation apparatus, forms a fan-shaped bar linkage structure symmetrical with respect to push rod by left side cutter, right side cutter, left connecting rod blade, right connecting rod blade, can not cause unnecessary injury to the tissue of non-operative region; Can follow easily by a holonmic space of each passage UNICOM's one-tenth; The passage visual range separated is large, image definition.
Accompanying drawing explanation
Below in conjunction with the accompanying drawing explanation detailed to the present invention:
Fig. 1 is the schematic diagram of the subcutaneous separation stick that uses in existing conventional device for endoscopic thyroid surgery;
Fig. 2 is the required operative space schematic diagram of device for endoscopic thyroid surgery;
Fig. 3 is front view of the present invention;
Fig. 4 is the B-B profile of Fig. 3 of the present invention;
Fig. 5 is the C-C profile of Fig. 3 of the present invention;
Fig. 6 is right view of the present invention;
Fig. 7 is A-A profile of the present invention;
Fig. 8 is top view of the present invention;
In figure: 1 right side cutter, 2 right connecting rod blades, 3 left connecting rod blades, 4. left side cutter, 5 push rods, 6 sleeves, 7 big springs,
8. button 9. little spring 10. handles.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
As Figure 1-Figure 8, the space expander that device for endoscopic thyroid surgery is used comprises right side cutter 1, right connecting rod blade 2, left connecting rod blade 3, left side cutter 4, push rod 5, sleeve 6, big spring 7, button 8, little spring 9 and handle 10.Wherein right side cutter 1, right connecting rod blade 2, left connecting rod blade 3, left side cutter 4, push rod 8 have formed symmetrical bar linkage structure, one end of left side cutter 4 and right side cutter 1 is the top to sleeve 6 by chain connection, the other end respectively left connecting rod blade 3 is connected with right connecting rod blade 2, left connecting rod blade 3 is connected with the other end of right connecting rod blade 2 and the top of push rod, the end of push rod 5 is provided with handle 10, on push rod, be provided with triangle teeth groove, this teeth groove be connected to the button cooperating on sleeve.
Left side cutter 4, right side cutter 1, left connecting rod blade 3, right connecting rod blade 2 form a fan-shaped bar linkage structure symmetrical with respect to push rod.
All hinged between left side cutter 4, right side cutter 1, left connecting rod blade 3, right connecting rod blade 2, push rod 5 and sleeve 6, left side cutter 4, right side cutter 1, left connecting rod blade 3, right connecting rod blade 2 can be rotated into straight line.
The miner diameter end of handle 10 is provided with groove, can fix push rod, and is connected by screw the afterbody at push rod.
The spoon shape edges of regions of the outward flange of left and right side tool and point of a knife has the knife edge, the outward flange of the middle straight bar part of left and right connecting rod blade has the knife edge, the knife edge of blade will be offset to the one side of next-door neighbour's push rod, can avoid like this join domain between blade or between blade and other member to occur space.
Handle 10 is provided with the shaft shoulder of avoiding dilator blade overdistension, and the little journal axle of handle is fixedly connected with push rod, and with little journal axle and internal surface of sleeve pipe be matched in clearance;
The cross sectional shape of sleeve 6 is oval, and sleeve tip hole is to stop push rod rotation square at the volley.
The end of sleeve 6 is provided with the flat handle 11 that is available for users to carry out push-and-pull operation.
In addition, distance relation between large footpath axial end and the push rod teeth groove of handle need to be rationally set, when the thick cylinder end face of handle contacts (being that blade opens completely) with barrel end face, button radula should just in time coincide with last teeth groove gapless of push rod.
Each blade, push rod select stainless steel material to be integrated into, and button, handle and sleeve can select the injection moulding of medical grade plastic material to make, easy to process, low cost of manufacture.
When operation, patient makes a left side, right side cutter is in merging phase, sleeve 6 handles are in deviating from the direction of patient body, preferentially insert left side cutter 4 is installed from chest entry, right side cutter 1, left connecting rod blade 3, the end of right connecting rod blade 2, progressively insert subsequently whole dilator, when the left side of dilator cutter 4, right side cutter 1, left connecting rod blade 3, when right connecting rod blade 2 arrives precalculated position, by push rod 5 propelling sleeves 6 so that by left side cutter 4, right side cutter 1, left connecting rod blade 3, right connecting rod blade 2 is opened, in opening procedure, can coordinate the small action of pumping, so that left side cutter 4, right side cutter 1, left connecting rod blade 3, right connecting rod blade 2 separates and obstructs its connective tissue opening, left side cutter 4, right side cutter 1, left connecting rod blade 3, after right connecting rod blade 2 is opened, patient can with space expander forward and the right and left, three directions are carried out the cutting of subcutaneous connective tissue, finally isolate a suitable fan-shaped operative space.Complete after surgical tasks, need to pin button 8, now, push rod 5 just can exit by the strength of big spring outside sleeve, and blade is also being followed and merged, and in the time that blade is completely integrated, dilator can be extracted from incision.
In the time this dilator being carried out disinfection to operation, need this apparatus to disassemble, step is as follows:
First the connector between push rod and left and right connecting rod blade is removed,
Then pin button, teeth groove is separated with radula, get final product subsequently pull handle, extract push rod and spring.
Other member all can be torn place open by knockout screw, no longer describes in detail.
Claims (10)
1. the space expander that device for endoscopic thyroid surgery is used, comprise sleeve, it is characterized in that: in described sleeve, be provided with an energy along the flexible push rod of its axial direction, described sleeve is provided with one outward and coordinates with push rod and can promote the flexible button of push rod, and the left side of the external part of described push rod is flexibly connected with left connecting rod blade one end, right side is flexibly connected with right connecting rod blade one end; And the other end of left connecting rod blade, right connecting rod blade connects the left side cutter, the right side cutter that are movably connected with sleeve ends separately; The other end of push rod connects a handles.
2. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, is characterized in that: the part that described push rod coordinates with button is provided with teeth groove, and one end of button matches with teeth groove, and the other end is connected on sleeve by a spring.
3. the space expander that the device for endoscopic thyroid surgery of stating as claim 2 is used, it is characterized in that: the distance relation between large footpath axial end and the push rod teeth groove of described handle is: when the large footpath of handle, axial end contacts with barrel end face,, when described left connecting rod blade, right connecting rod blade opens completely, button radula just in time coincide with last teeth groove gapless of push rod.
4. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, is characterized in that: be set with an elastic device being connected with the inside top of sleeve at the outer wall of described push rod.
5. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, is characterized in that: described left side cutter, right side cutter, left connecting rod blade, right connecting rod blade form a fan-shaped bar linkage structure symmetrical with respect to push rod.
6. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, it is characterized in that: the spoon shape edges of regions of the outward flange of described left and right side tool and point of a knife has the knife edge, the outward flange of the middle straight bar part of left and right connecting rod blade has the knife edge, and the knife edge of blade will be offset to the one side of next-door neighbour's push rod.
7. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, it is characterized in that: described handle is provided with the shaft shoulder of avoiding dilator blade overdistension, and the little journal axle of handle is fixedly connected with push rod, little journal axle and internal surface of sleeve pipe are matched in clearance.
8. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, is characterized in that: the cross sectional shape of described sleeve is oval, and it is most advanced and sophisticated for stoping push rod rotation square at the volley.
9. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, is characterized in that: the end of the outer wall of described sleeve is provided with the flat handle that carries out push-and-pull operation for user.
10. the space expander that device for endoscopic thyroid surgery as claimed in claim 1 is used, is characterized in that: all hinged between described left side cutter, right side cutter, left connecting rod blade, right connecting rod cutter, push rod and sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139055.0A CN103908732B (en) | 2014-04-08 | 2014-04-08 | The space expander of device for endoscopic thyroid surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139055.0A CN103908732B (en) | 2014-04-08 | 2014-04-08 | The space expander of device for endoscopic thyroid surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103908732A true CN103908732A (en) | 2014-07-09 |
| CN103908732B CN103908732B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410139055.0A Active CN103908732B (en) | 2014-04-08 | 2014-04-08 | The space expander of device for endoscopic thyroid surgery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920842A (en) * | 2015-08-21 | 2018-04-17 | 心脏起搏器股份公司 | Guide with tissue pouch optimizer |
| CN109512477A (en) * | 2019-01-07 | 2019-03-26 | 武振 | A kind of device for endoscopic thyroid drag hook |
| CN111449726A (en) * | 2020-03-24 | 2020-07-28 | 河南省中医院（河南中医药大学第二附属医院） | Thyroid gland separator |
| RU215107U1 (en) * | 2022-09-05 | 2022-11-29 | Федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр радиологии" Министерства здравоохранения Российской Федерации (ФГБУ "НМИЦ радиологии" Минздрава России) | Tunneler for endoscopic transoral thyroidectomy with vestibular access |
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| CN201481508U (en) * | 2009-07-27 | 2010-05-26 | 杭州康基医疗器械有限公司 | Thyroid gland bendable searching type stripper |
| CN203790428U (en) * | 2014-04-08 | 2014-08-27 | 山东大学齐鲁医院 | Space expander for endoscopic thyroidectomy |
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| WO2003001988A2 (en) * | 2001-06-29 | 2003-01-09 | The Trustees Of Columbia University In City Of New York | Tripod knife for venous access |
| CN1827057A (en) * | 2006-03-31 | 2006-09-06 | 暨南大学 | Muscle separation device for endoscopic thyroid surgery |
| US20080221575A1 (en) * | 2007-03-07 | 2008-09-11 | Andres Betts | Expandable blade device for stabilizing long bone fractures |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920842A (en) * | 2015-08-21 | 2018-04-17 | 心脏起搏器股份公司 | Guide with tissue pouch optimizer |
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| CN109512477A (en) * | 2019-01-07 | 2019-03-26 | 武振 | A kind of device for endoscopic thyroid drag hook |
| CN111449726A (en) * | 2020-03-24 | 2020-07-28 | 河南省中医院（河南中医药大学第二附属医院） | Thyroid gland separator |
| CN111449726B (en) * | 2020-03-24 | 2021-12-24 | 河南省中医院（河南中医药大学第二附属医院） | Thyroid gland separator |
| RU215107U1 (en) * | 2022-09-05 | 2022-11-29 | Федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр радиологии" Министерства здравоохранения Российской Федерации (ФГБУ "НМИЦ радиологии" Минздрава России) | Tunneler for endoscopic transoral thyroidectomy with vestibular access |
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| Publication number | Publication date |
|---|---|
| CN103908732B (en) | 2015-12-02 |
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