CN105395225A - Adjustable tissue retractor - Google Patents
Adjustable tissue retractor Download PDFInfo
- Publication number
- CN105395225A CN105395225A CN201511028566.6A CN201511028566A CN105395225A CN 105395225 A CN105395225 A CN 105395225A CN 201511028566 A CN201511028566 A CN 201511028566A CN 105395225 A CN105395225 A CN 105395225A
- Authority
- CN
- China
- Prior art keywords
- tissue retractor
- adjustable tissue
- supporting seat
- hole
- retract
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to an adjustable tissue retractor comprising a support base, a plurality of retraction elements and a rotation base. The support base is provided with a first through hole. One side of the support base is provided with a radial guide part. Each retraction element is composed of a retraction part, a movement part connected with one end of the retraction part, and a mating part arranged on one side of the movement part. The movement part is movably arranged on the guide part. The rotation base is provided with a second through hole and is rotatably arranged on the support base. One side of the rotation base, positioned towards the support base, is provided with a plurality of guide grooves. The mating parts of the plurality of retraction elements are respectively matched with the plurality of guide grooves. When the rotation base is rotated relative to the support base, the mating parts are driven to move along the guide grooves. In this way, the plurality of retraction elements enclose a retractor channel and the retractor channel is adjustable in size. Through rotating the rotation base relative to the support base, the mating parts are driven to move along the guide grooves. Therefore, the retraction parts are driven to get away from one another, so that the retractor channel is expanded. The medical personnel has a good surgical field through the first through hole, the second through hole and the retractor channel. As a result, the surgery operation is ensured.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of adjustable tissue retractor.
Background technology
In surgical operation, in order to obtain the desirable visual field, need good for the position of opening maintenance to retract state.At present, people utilize operation retractor to provide working place and the clear visual field for doctor, and along with the development of medical skill, kind and the function of retractor are also more and more abundanter.But for human body delicate tissues, such as brain tissue, existing retractor embarrasses operation to provide good support.Such as, in the neurosurgeries such as tumor of ventricle, ventricular hemorrhage, intracerebral hematoma, existing retractor size is fixed, less the carrying out being unfavorable for performing the operation of surgical field of view.
Summary of the invention
Based on this, be necessary to fix for existing retractor size, surgical field of view is less, is unfavorable for the problem of carrying out of performing the operation, and provides a kind of size adjustable, thus regulates the adjustable tissue retractor of surgical field of view.
A kind of adjustable tissue retractor, comprising:
Supporting seat, has the first through hole, and described supporting seat side is also provided with described first through hole center as the radial guide part of benchmark;
Multiplely retract part, comprise the portion of retracting, be connected to described in retract the moving part of one end, portion and be located at the auxiliary section of described moving part side, described moving part is located at described guide part movably, and the portion of retracting described in part that retracts described in multiple jointly encloses formation one and retracts passage;
Rotating seat, there is the second through hole, described rotating seat is located at described supporting seat rotationally, described rotating seat is provided with described second through hole center towards described supporting seat side be benchmark in Vorticose multiple guide groove, the described auxiliary section retracting part described in multiple coordinates with described multiple guide groove respectively, with when described rotating seat rotates relative to described supporting seat, described auxiliary section is moved along described guide groove, make described multiple retract part mutually draw near or away from, and then the portion of retracting described in making encloses described in formation and retracts passages shrink or expansion.
Above-mentioned adjustable tissue retractor, that inserts tissue multiplely retracts part to enclose the size retracting passage of formation adjustable, insert in tissue with less volume, alleviate the damage to tissue, and in operation process, rotate by making rotating seat relative support seat, the auxiliary section retracting part is moved along guide groove, thus drive the portion of retracting mutually away from, and then make to retract passageways dilate, medical personnel are by the first through hole, the second through hole and retract the surgical field of view that passage provides good, ensure that operation is carried out.
Wherein in an embodiment, be circumferentially with lead tooth inside described supporting seat along it, described rotating seat correspondence is provided with rotation section, and described rotation section is engaged with described tooth of leading, and rotates relative to described supporting seat to make described rotating seat with preset strokes stepping.
Wherein in an embodiment, inside described supporting seat along its circumference with the center of described first through hole for reference center is arranged with stage portion, described stage portion comprises First terrace and the second step face perpendicular to described First terrace, described second step face is provided with leads tooth, described rotation section is placed in described First terrace rotationally, and engages with described tooth of leading.
Wherein in an embodiment, described supporting seat side is also provided with the connecting portion between adjacent described guide part, the inwall of the second through hole of described rotating seat is circumferentially provided with positioning boss, described connecting portion is provided with cooperation boss towards described guide part side, and described cooperation boss is placed on described positioning boss rotationally.
Wherein in an embodiment, described guide part is that hollow is arranged, the inner chamber of described guide part comprises relative roof and diapire, and be connected to the two side of described diapire, described diapire is provided with the guide rail in a few shape along described guide part bearing of trend, described in two sidewall towards each other away from direction be recessed to form groove, described guide part also offers the chute running through described roof, and described chute is stretched out in described auxiliary section;
Cross sectional shape and the described guide part cavity shape of described moving part match.
Wherein in an embodiment, described in retract part be provided with along described in retract passage extend instrument channel in a tubular form.
Wherein in an embodiment, described adjustable tissue retractor also comprises multiple clamping part, and multiple described clamping part is circumferentially located at outside described supporting seat.
Wherein in an embodiment, described adjustable tissue retractor also comprises multiple holding part, described holding part comprises holding section and is connected to the adjusting portion of one end, described holding section, the holding section of multiple described holding part encloses formation one and holds position, described adjusting portion is removable along described first through hole radial direction in described supporting seat side, shrinks or expansion with the position that holds making multiple holding section enclose formation.
Wherein in an embodiment, described adjustable tissue retractor also comprises multiple regulating part, and multiple described regulating part wears the position of corresponding described adjusting portion outside described supporting seat respectively, and is threadedly connected to the described adjusting portion of described supporting seat and described holding part.
Wherein in an embodiment, described adjustable tissue retractor also comprises conductor, described conductor operationally relatively described in retract portion and fix away from one end of described guide part or be separated, with described retract passages shrink time limit described in retract the minimum diameter of passage.
Wherein in an embodiment, described conductor comprises the portion of being embedded and is embedded the guidance part of one end, portion described in being connected to, the described portion of being embedded circumferentially is provided with and is embedded boss, described in retract portion and be provided with away from the end correspondence of described moving part and be embedded groove, described in be embedded boss be embedded at described in be embedded in groove.
Wherein in an embodiment, described adjustable tissue retractor also comprises draught line, described draught line one end is connected with described retractor, and the other end is successively through described traction passage, the first through hole and the second through hole, and during to retract passageways dilate described in making, described conductor can take out.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjustable tissue retractor in first embodiment of the invention;
Fig. 2 is the explosive view of the adjustable tissue retractor shown in Fig. 1;
Fig. 3 is the structural representation at another visual angle of the adjustable retractor shown in Fig. 1;
Fig. 4 is in the using state figure of the state of retracting for the adjustable retractor shown in Fig. 1;
Fig. 5 is the fiting relation figure retracting the auxiliary section of part and the guide groove of rotating seat of the adjustable tissue retractor shown in Fig. 1;
What Fig. 6 was the adjustable tissue retractor shown in Fig. 1 retracts the portion that retracts of part and the fiting relation figure of conductor;
Fig. 7 is the structural representation of the adjustable tissue retractor in second embodiment of the invention;
Fig. 8 is the structural representation at another visual angle of the adjustable tissue retractor shown in Fig. 7;
Fig. 9 is the structural representation of the adjustable tissue retractor in fourth embodiment of the invention;
Figure 10 is the structural representation at another visual angle of the adjustable tissue retractor shown in Fig. 9;
Figure 11 is the structural representation at the another visual angle of the adjustable tissue retractor shown in Fig. 9.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Fig. 1 to Fig. 6 shows the adjustable tissue retractor 10 in first embodiment of the invention.
As shown in Figures 1 and 2, the adjustable tissue retractor 10 in first embodiment of the invention, comprises supporting seat 12, multiplely retracts part 14 and rotating seat 16.
This supporting seat 12 has the first through hole 122, and supporting seat 12 side is also provided with the first through hole 122 center as the radial guide part 124 of benchmark.This retracts the auxiliary section 146 that part 14 comprises the portion of retracting 142, is vertically connected at the moving part 144 of one end, the portion of retracting 142 and is located at moving part 144 side, this guide part 124 is arranged in hollow, and offer the chute 1242 running through guide part 124 side, this moving part 144 is located at guide part 124 movably, this chute 1242 is stretched out in this auxiliary section 146, and multiple portion that retracts 142 retracting part 14 encloses formation one and retracts passage (figure does not mark).Rotating seat 16 has the second through hole 162, rotating seat 16 is located at supporting seat 12 rotationally, supporting seat 12 is provided with towards supporting seat 12 side with the second through hole 162 center as benchmark is Vorticose guide groove 164 (see Fig. 5), the described auxiliary section 142 retracting part 14 described in multiple coordinates with described multiple guide groove 164 respectively, with when rotating seat 16 relative support seat 12 rotates, auxiliary section 146 is moved along guide groove 164, so make the portion that retracts 142 enclose formation retract passages shrink or expansion.
So, inserting the part 14 that retracts of tissue, to enclose the size retracting passage of formation adjustable, insert in tissue with less volume, alleviate the damage to tissue, and in operation process, rotate by making rotating seat 16 relative support seat 12, the auxiliary section 146 retracting part 14 is moved along guide groove 164, thus drive retract portion 142 mutually away from, and then make to retract passageways dilate, medical personnel are by the first through hole 122, second through hole 162 and retract the surgical field of view that passage provides good, ensure that operation is carried out.
Be appreciated that multiple guide groove 164 is in vortex shape, guide groove 164 can be arcuation, also can be bias type, in realizing that rotating seat 16 relative support seat 12 is rotated, auxiliary section 146 is moved along guide groove 164, thus realize multiple portion that retracts 142 retracting part 14 mutually draw near or away from.In the present embodiment, this guide groove 164 is in arcuation.
Particularly, as shown in Figures 3 and 4, inside this supporting seat 12 circumferentially with the center of the first through hole 122 for reference symmetry is provided with stage portion 126, rotating seat 16 correspondence is provided with rotation section 166 (see Fig. 2), and this rotation section 166 is placed in stage portion 126 rotationally.In the present embodiment, this stage portion 126 comprises First terrace (figure does not mark) and the second step face (figure does not mark) perpendicular to First terrace, second step face is provided with leads tooth 1263, this rotation section 166 with lead tooth 1263 and engage, to make rotating seat 16 relative support seat 12 rotate with preset strokes stepping, thus accurate adjustment can save the size retracting passage.
Preferably, this stage portion 126 also comprises the confined planes (figure does not mark) being positioned at its two ends, this rotation section 166 is rotated between two confined planes along stage portion 126, thus determines the rotational travel of rotating seat 16, and then determines the maximum inner diameter and the minimum diameter that retract passage.
Preferably, again consult Fig. 2, this supporting seat 12 side is also provided with the connecting portion 128 between adjacent guide part 124, between adjacent connecting portion 128, gap-forming has the moving part 144 that can make to retract part 14 to enter guide part 124, and the opening matched with the cross sectional shape of moving part 144, so, be convenient to dismounting and retract part 14, easy-to-use.The inwall of the second through hole 162 of this rotating seat 16 is circumferentially also provided with positioning boss 168, this connecting portion 128 is provided with towards guide part 124 side and coordinates boss 1282, this cooperation boss 1282 is placed on positioning boss 168 rotationally, so, play guiding and supporting role further, rotate with making rotating seat 16 relative support seat 12 Absorbable organic halogens, that improves this adjustable tissue retractor 10 retracts precision.
Should be understood that, in the present embodiment, this connecting portion 128 is plate, it has certain toughness, and when rotating seat 16 is installed on supporting seat 12, connecting portion 128 stretches in the second through hole 162, and when coordinating boss 1282 to be connected to the lower surface of positioning boss 168, continue to the second through hole 162 axial direction mobile, can offset to the center of the second through hole 162, thus the cooperation boss 1282 of connecting portion 128 is placed on described positioning boss 168.
Preferably, in the present embodiment, the inner chamber of this guide part 124 comprises relative roof and diapire, and be connected to the two side of diapire, this diapire is provided with the guide rail 1244 in a few shape along guide part 124 bearing of trend, two side towards each other away from direction be recessed to form groove 1246, this chute 1242 runs through the roof in guide part 124.
Wherein, cross sectional shape and guide part 124 cavity shape of this moving part 144 match, shifting chute 1442 is provided with along its length bottom this moving part 144, top is provided with boss 1444, this boss 1444 is provided with aforesaid auxiliary section 146, this projection section stretches into chute 1242, plays guide effect.So make moving part 144 move along guide part 124 is stable and can not comes off, ensure the reliability of adjustable tissue retractor 10.
Should be understood that, in the present embodiment, be matched, by making moving part move along guide part 124 along guide rail 1244 and groove 1246 by the cavity shape of moving part 144 with guide part 124.In some other embodiment, those skilled in the art also can adopt other guidance mode, and such as, offer the groove of through guide part 124 inner chamber at the diapire of guide part 124, the bottom of moving part 144 is provided with boss and stretches out aforesaid groove, thus realize guiding.
Preferably, this auxiliary section 146 in cylindric, the resistance between the guide groove 164 reducing auxiliary section 146 and rotating seat 16, thus ensure the fluency of auxiliary section 146 along guide groove 164 movement of rotating seat 16.
Preferably, these supporting seat 12 both sides are also provided with grip part 121, for being connected with snakelike arm or other apparatuses, play fixing effect.It may be noted that snakelike arm is the technology of mechanical field maturation, therefore do not repeat its concrete structure and principle at this.
Please again consult Fig. 1 and Fig. 2, this adjustable tissue retractor 10 also comprises conductor 18, and this conductor 18 operationally relatively retracts portion 142 and fixes away from guide part 124 one end or be separated, to limit the minimum diameter retracting passage when retracting passages shrink.Before surgery, rotate rotating seat 16, the portion that retracts 142 of the relative traction piece of conductor 18 is fixed, and now, the internal diameter size of traction passage is minimum, inserts in tissue with minimum state, little to the extruding degree organized.
Preferably, consult shown in Fig. 6, this conductor 18 comprises the portion of being embedded 182 and is connected to the guidance part 184 of one end, the portion of being embedded 182, be embedded portion 182 to be circumferentially provided with and to be embedded boss 1822, this retracts portion 142 and is provided with away from the end correspondence of moving part 144 and is embedded groove 1422, and this is embedded boss 1822 and is embedded at and is embedded in groove 1422.So, thus it is fixing to make conductor 18 relatively retract portion 142, is convenient to insert in tissue with minimum state.
Preferably, the outline shape of this guidance part 184 is spherical, and the central angle of the outline shape of this guidance part 184 is not less than 180 degree.So, be convenient to retractor and insert cerebral tissue.
Preferably, this adjustable tissue retractor 10 also comprises draught line (not shown), this draught line one end is connected with conductor 18, and the other end is successively through traction passage, the first through hole 122 and the second through hole 162, and during to make to retract passageways dilate, conductor 18 can take out.Before surgery, make the internal diameter retracting passage minimum, the portion that retracts 142 that conductor 18 retracts part 14 is relatively fixed, insert in tissue with minimum state, then rotate rotating seat 16, retract passageways dilate, conductor 18 is separated with the portion that retracts 142 retracting part 14, is pulled out by conductor 18 by draught line.So, the first through hole 122, second through hole 162 and retract passage and form visual field passage, is convenient to medical personnel and performs the operation.
Preferably, this adjustable tissue retractor 10 also comprises indication piece 19, and this indication piece 19 is located at rotating seat 16, so that medical personnel distinguish direction of rotation, controls the size retracting passage.
Preferably, this adjustable tissue retractor 10 also comprises friction member 13, and this friction member 13 is located at rotating seat 16, to increase the frictional force of rotating seat 16 and medical personnel's hands.In the present embodiment, this friction member 13 is becket, in sub-light, attractive in appearance and be convenient to identify.
It is pointed out that the internal diameter size retracting passage in the present invention regulates between 20 ~ 45 millimeters, be particularly useful for cerebral operations, be convenient to retract cerebral tissue.
Be described to the use principle of the adjustable tissue retractor in the present invention with specific embodiment below:
In the present invention, this adjustable tissue retractor 10 comprises insert state and retracts state, when rotating seat 16 rotates along preset direction relative to described supporting seat 12, what retract that portion 142 encloses formation retracts passages shrink, and it is spacing to be guided device 18, adjustable tissue retractor 10 is in insert state, so inserts in tissue with minimum state.When rotating seat 16 rotates along the direction relative support seat 12 contrary with preset direction, what retract that portion 142 encloses formation retracts passageways dilate, conductor 18 with retract portion 142 and be separated, adjustable tissue retractor 10 is in the state of retracting, by draught line, conductor 18 is pulled out, and regulate the size retracting passage according to the actual requirements, give the operation visual field that medical personnel are good, and the space providing scalpel to operate, ensure that the safety of operation is carried out.
Fig. 7 to Fig. 8 shows the adjustable tissue retractor 20 that second embodiment of the invention provides.
Adjustable tissue retractor 10 in adjustable tissue retractor 20 and the first embodiment has similar structure, and difference will be described specifically below, and for stating conveniently, identical structure adopts identical numbering to represent and do not repeat.
Adjustable tissue retractor 10 difference in the present embodiment in adjustable tissue retractor 20 and the first embodiment is, the moving part 144 retracting part 14 is provided with the instrument channel 22 in a tubular form along retracting passage and extending.Particularly, this instrument channel 22 located therein one retracts moving part 144 one end of part 14, and certainly, in some other embodiment, this instrument channel 22 also can be located at inside this portion that retracts 142 retracting part 14, in this no limit.So, this instrument channel 22 can carry out guiding and spacing to different apparatuses, is convenient to different apparatuses retracting in passage work.
Be appreciated that shape and the size of this instrument channel 22 are in this no limit, can determine according to practical situation.
The third embodiment of the present invention provides a kind of adjustable tissue retractor.Adjustable tissue retractor 10 in this adjustable tissue retractor and the first embodiment has similar structure, and difference will be described specifically below, and for stating conveniently, identical structure adopts identical numbering to represent and do not repeat.
In the present embodiment, this adjustable tissue retractor also comprises multiple clamping part (not shown), and multiple clamping part is circumferentially located at outside supporting seat 12.So, be convenient to clamping and be fixed on skull etc., being convenient to the carrying out of performing the operation.Particularly, this clamping part, along the circumference of supporting seat 12, with the center of the first through hole 122 for benchmark is evenly arranged, thus makes gripped object uniform force, and then it is stable that this adjustable tissue retractor is clamped.
Should be understood that, shape and the structure of this clamping part are in this no limit, such as, can be susceptible to clamping limb with those skilled in the art or adopt the forms such as the arm of elastic clamping to arrange.
Fig. 9 to Figure 11 shows the adjustable tissue retractor 30 that fourth embodiment of the invention provides.
Adjustable tissue retractor 10 in adjustable tissue retractor 30 and the first embodiment has similar structure, and difference will be described specifically below, and for stating conveniently, identical structure adopts identical numbering to represent and do not repeat.
In the present embodiment, adjustable tissue retractor 10 difference in this adjustable tissue retractor 30 and the first embodiment is, this adjustable tissue retractor 30 also comprises multiple holding part 32, this holding part 32 comprises holding section 322 and is connected to the adjusting portion 324 of one end, holding section 322, the holding section 322 of multiple holding part 32 encloses formation one and holds position 34, this adjusting portion 324 is radial removable along the first through hole 122 in supporting seat side, shrinks with the position 324 that holds making multiple holding section 322 enclose formation or expands.So, by regulating the position of holding section 322 to make adjustable tissue retractor 30 Absorbable organic halogens in the present embodiment be fastened in skull etc., the carrying out of performing the operation is convenient to.
Particularly, this adjustable tissue retractor 30 also comprises multiple regulating part 36, and multiple regulating part 36 wears the position of the adjusting portion 324 of corresponding holding part 32 outside supporting seat 12 respectively, and is threadedly connected to the adjusting portion 324 of supporting seat 12 and holding part 32.So, by rotating regulating part 36, adjusting portion 324 can be made to move radially along the first through hole 122, and then the position 34 that holds making multiple holding section 322 enclose formation is shunk or is expanded.
More specifically, this holding part 32 is 3, corresponding, this regulating part 36 is also 3, the shifting chute 38 of this supporting seat 12 through is offered along the first through hole 122 radial direction at the adjacent guide part of this supporting seat 12 124, this holding section 324 is stretched out this shifting chute 38 and can be moved along shifting chute 38, and this adjusting portion 324 is placed in this supporting seat 12.This regulating part 32 is adjusting bolt, and the outside of this supporting seat 12 offers screwed hole (not shown), and this regulating part 32 is threadedly connected to this screwed hole, and is threaded with adjusting portion 324.
Preferably, this holding section 322 is plate, and it is provided with draw-in groove 3222 towards the side away from the first through hole 122 center, the built-in corrugated structure of this draw-in groove 3222, thus increase frictional force is convenient to hold skull.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (12)
1. an adjustable tissue retractor, is characterized in that, comprising:
Supporting seat, has the first through hole, and described supporting seat side is also provided with described first through hole center as the radial guide part of benchmark;
Multiplely retract part, comprise the portion of retracting, be connected to described in retract the moving part of one end, portion and be located at the auxiliary section of described moving part side, described moving part is located at described guide part movably, and the portion of retracting described in part that retracts described in multiple jointly encloses formation one and retracts passage;
Rotating seat, there is the second through hole, described rotating seat is located at described supporting seat rotationally, described rotating seat is provided with described second through hole center towards described supporting seat side be benchmark in Vorticose multiple guide groove, the described auxiliary section retracting part described in multiple coordinates with described multiple guide groove respectively, with when described rotating seat rotates relative to described supporting seat, described auxiliary section is moved along described guide groove, make described multiple retract part mutually draw near or away from, and then the portion of retracting described in making encloses described in formation and retracts passages shrink or expansion.
2. adjustable tissue retractor according to claim 1, it is characterized in that, be circumferentially with along it inside described supporting seat and lead tooth, described rotating seat correspondence is provided with rotation section, described rotation section is engaged with described tooth of leading, and rotates relative to described supporting seat to make described rotating seat with preset strokes stepping.
3. adjustable tissue retractor according to claim 2, it is characterized in that, inside described supporting seat along its circumference with the center of described first through hole for reference center is arranged with stage portion, described stage portion comprises First terrace and the second step face perpendicular to described First terrace, described second step face is provided with leads tooth, described rotation section is placed in described First terrace rotationally, and engages with described tooth of leading.
4. adjustable tissue retractor according to claim 1, it is characterized in that, described supporting seat side is also provided with the connecting portion between adjacent described guide part, the inwall of the second through hole of described rotating seat is circumferentially provided with positioning boss, described connecting portion is provided with cooperation boss towards described guide part side, and described cooperation boss is placed on described positioning boss rotationally.
5. adjustable tissue retractor according to claim 1, it is characterized in that, described guide part is that hollow is arranged, the inner chamber of described guide part comprises relative roof and diapire, and be connected to the two side of described diapire, described diapire is provided with the guide rail in a few shape along described guide part bearing of trend, described in two sidewall towards each other away from direction be recessed to form groove, described guide part also offers the chute running through described roof, and described chute is stretched out in described auxiliary section;
Cross sectional shape and the described guide part cavity shape of described moving part match.
6. adjustable tissue retractor according to claim 1, is characterized in that, described in retract part be provided with along described in retract passage extend instrument channel in a tubular form.
7. adjustable tissue retractor according to claim 1, is characterized in that, described adjustable tissue retractor also comprises multiple clamping part, and multiple described clamping part is circumferentially located at outside described supporting seat.
8. adjustable tissue retractor according to claim 1, it is characterized in that, described adjustable tissue retractor also comprises multiple holding part, described holding part comprises holding section and is connected to the adjusting portion of one end, described holding section, the holding section of multiple described holding part encloses formation one and holds position, described adjusting portion is removable along described first through hole radial direction in described supporting seat side, shrinks or expansion with the position that holds making multiple holding section enclose formation.
9. adjustable tissue retractor according to claim 8, it is characterized in that, described adjustable tissue retractor also comprises multiple regulating part, multiple described regulating part wears the position of corresponding described adjusting portion outside described supporting seat respectively, and is threadedly connected to the described adjusting portion of described supporting seat and described holding part.
10. the adjustable tissue retractor according to right 1 ~ 9 any one, it is characterized in that, described adjustable tissue retractor also comprises conductor, described conductor operationally relatively described in retract portion and fix away from one end of described guide part or be separated, with described retract passages shrink time limit described in retract the minimum diameter of passage.
11. adjustable tissue retractors according to claim 10, it is characterized in that, described conductor comprises the portion of being embedded and is embedded the guidance part of one end, portion described in being connected to, the described portion of being embedded circumferentially is provided with and is embedded boss, the described portion that retracts is provided with away from the end correspondence of described moving part and is embedded groove, described in be embedded boss be embedded at described in be embedded in groove.
12. adjustable tissue retractors according to claim 10, it is characterized in that, described adjustable tissue retractor also comprises draught line, described draught line one end is connected with described retractor, the other end is successively through described traction passage, the first through hole and the second through hole, and during to retract passageways dilate described in making, described conductor can take out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028566.6A CN105395225B (en) | 2015-12-31 | 2015-12-31 | Adjustable tissue retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028566.6A CN105395225B (en) | 2015-12-31 | 2015-12-31 | Adjustable tissue retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105395225A true CN105395225A (en) | 2016-03-16 |
| CN105395225B CN105395225B (en) | 2017-10-13 |
Family
ID=55461237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511028566.6A Active CN105395225B (en) | 2015-12-31 | 2015-12-31 | Adjustable tissue retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105395225B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106108962A (en) * | 2016-08-03 | 2016-11-16 | 湖南省肿瘤医院 | The comprehensive drawing means for brain tissue of scalable |
| CN112220668A (en) * | 2020-11-12 | 2021-01-15 | 河南省中医院（河南中医药大学第二附属医院） | Genitals fumigation treatment device for male |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005094695A2 (en) * | 2004-03-25 | 2005-10-13 | Depuy Spine, Inc. | Surgical retractor positioning device |
| US20070156026A1 (en) * | 2006-01-04 | 2007-07-05 | William Frasier | Surgical access devices and methods of minimally invasive surgery |
| CN101217915A (en) * | 2005-07-11 | 2008-07-09 | 科丰公司 | Surgical access device, system, and methods of use |
| CN104983452A (en) * | 2015-05-22 | 2015-10-21 | 东莞麦可龙医疗科技有限公司 | Manufacturing method for diameter-variable abdomen puncture outfit, and diameter-variable abdomen puncture outfit |
| CN205251602U (en) * | 2015-12-31 | 2016-05-25 | 湖南博科生物技术有限公司 | Tissue retractor with adjustable |
-
2015
- 2015-12-31 CN CN201511028566.6A patent/CN105395225B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005094695A2 (en) * | 2004-03-25 | 2005-10-13 | Depuy Spine, Inc. | Surgical retractor positioning device |
| CN101217915A (en) * | 2005-07-11 | 2008-07-09 | 科丰公司 | Surgical access device, system, and methods of use |
| US20070156026A1 (en) * | 2006-01-04 | 2007-07-05 | William Frasier | Surgical access devices and methods of minimally invasive surgery |
| CN104983452A (en) * | 2015-05-22 | 2015-10-21 | 东莞麦可龙医疗科技有限公司 | Manufacturing method for diameter-variable abdomen puncture outfit, and diameter-variable abdomen puncture outfit |
| CN205251602U (en) * | 2015-12-31 | 2016-05-25 | 湖南博科生物技术有限公司 | Tissue retractor with adjustable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106108962A (en) * | 2016-08-03 | 2016-11-16 | 湖南省肿瘤医院 | The comprehensive drawing means for brain tissue of scalable |
| CN106108962B (en) * | 2016-08-03 | 2018-06-12 | 湖南省肿瘤医院 | Comprehensive drawing means for brain tissue is adjusted |
| CN112220668A (en) * | 2020-11-12 | 2021-01-15 | 河南省中医院（河南中医药大学第二附属医院） | Genitals fumigation treatment device for male |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105395225B (en) | 2017-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7098556B2 (en) | Subendoscope that can be attached to the mother's endoscope and the combination of the mother's endoscope and the subendoscope | |
| US7182730B2 (en) | Anal retractor | |
| EP3334326B1 (en) | Adjustable locking surgical retractor | |
| CN1278712A (en) | Device and method for setting stereotactio and endoscoopically placed equipment | |
| JP2010510863A (en) | Surgical access device for sensitive tissue | |
| JPH07136179A (en) | Method and device for mounting cannula | |
| CN105395225A (en) | Adjustable tissue retractor | |
| CN110448363A (en) | A kind of chemotherapy puncture positioning device that can adjust orientation distance | |
| CN216823528U (en) | Quantitative sampling device for medical oncology | |
| CN205251602U (en) | Tissue retractor with adjustable | |
| CN211934145U (en) | Neural scope passageway of degree of depth and pipe diameter size adjustable | |
| CN211022826U (en) | Novel incision tissue retractor fixator | |
| CN210144723U (en) | Adjustable length guide needle | |
| CN204274653U (en) | A kind of multiple degrees of freedom cranium brain puncture limit fixator | |
| US20220249190A1 (en) | Skull portal device for cranial access | |
| CN104739359B (en) | Anal dilatation device | |
| EP3636184B1 (en) | Bone drilling cover device | |
| CN221229363U (en) | Medical traction catheter | |
| CN109938812A (en) | One kind can closed fixable stamp card | |
| CN218186849U (en) | Neuroendoscopy working sheath puncture channel | |
| US11141171B2 (en) | Bone drilling cover fixing device | |
| CN204016490U (en) | Cerebral hemorrhage puncture drainage fixture | |
| CN219782692U (en) | Cerebral hemorrhage puncture locator | |
| CN213466223U (en) | Drainage device and medical equipment | |
| KR101487265B1 (en) | Instrument for stereotactic surgery of brain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 410205 Hunan province Changsha High-tech Development Zone No. 229 yuan Lu Valley Park 10 building room 702 on the sea Applicant after: Hunan Boke Medical Technology Co., Ltd. Address before: 410007 Hunan province Changsha City Lugu high tech Zone Industrial Base Lu Tin Road No. 8 Oak Park 7 610-C Applicant before: HUNAN BIOBASE BIOTECHNOLOGY CO., LTD. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20160316 Assignee: Shanghai Baiwen Information Service Center Assignor: HUNAN BOKE MEDICAL TECHNOLOGY Co.,Ltd. Contract record no.: X2020430000011 Denomination of invention: Adjustable tissue retractor Granted publication date: 20171013 License type: Exclusive License Record date: 20201210 |
|
| EE01 | Entry into force of recordation of patent licensing contract |