CN208808540U - dilator and surgical instrument - Google Patents
dilator and surgical instrument Download PDFInfo
- Publication number
- CN208808540U CN208808540U CN201820714936.4U CN201820714936U CN208808540U CN 208808540 U CN208808540 U CN 208808540U CN 201820714936 U CN201820714936 U CN 201820714936U CN 208808540 U CN208808540 U CN 208808540U
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- endoscope head
- channel
- expander
- outer tube
- endoscope
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- 210000005013 brain tissue Anatomy 0.000 abstract description 13
- 239000008280 blood Substances 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 7
- 210000004556 brain Anatomy 0.000 abstract description 7
- 230000023597 hemostasis Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 19
- 230000003902 lesion Effects 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 3
- 208000003174 Brain Neoplasms Diseases 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000009798 Craniopharyngioma Diseases 0.000 description 1
- 206010061187 Haematopoietic neoplasm Diseases 0.000 description 1
- 208000002250 Hematologic Neoplasms Diseases 0.000 description 1
- 235000018259 Solanum vestissimum Nutrition 0.000 description 1
- 240000002825 Solanum vestissimum Species 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 210000004720 cerebrum Anatomy 0.000 description 1
- 210000003792 cranial nerve Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 201000005787 hematologic cancer Diseases 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007914 intraventricular administration Methods 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 230000003526 lymphopoietic effect Effects 0.000 description 1
- 230000001394 metastastic effect Effects 0.000 description 1
- 206010061289 metastatic neoplasm Diseases 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 201000011682 nervous system cancer Diseases 0.000 description 1
- 206010061311 nervous system neoplasm Diseases 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
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- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The utility model provides an expander and a surgical instrument, relating to the technical field of medical instruments, wherein the expander comprises an inner tube and an outer tube; one end of the inner tube is conical; the outer tube is sleeved on the inner tube, and the inner side wall of the outer tube is provided with an endoscope head channel and/or a suction channel; the endoscope head channel is used for fixing the endoscope head and the endoscope head is used for being connected with an endoscope device; the suction channel is used for connecting with a suction apparatus. The endoscope head can penetrate into brain tissue along with the outer tube synchronously, and can be used for observing whether the dilator reaches a target puncture position, and when the direction and depth of the dilator need to be changed at any time according to the position and shape of a focus in the brain in the operation process, the operation direction and depth of the dilator can be changed flexibly, and the operation time is shortened. The suction channel can suck blood and seepage in the surgical field at any time, which is beneficial to the clear of the surgical field and hemostasis; the suction apparatus necessary for the operation in the tube cavity of the dilator is omitted, and the convenience and the flexibility of the operation in the tube cavity of the dilator are improved.
Description
Technical field
The utility model relates to the field of medical instrument technology, have the expansion more particularly, to a kind of expander, and one kind
The surgical instrument of prop.
Background technique
Brain is nervous system superlative degree part, is made of left and right two cerebral hemispheres, there is the nerve of row between two hemispheres
Fiber is associated.Cephalophyma and brain tumor are the common diseases of brain, and wherein cephalophyma is due to originals such as wound or cerebrovascular diseases
Cause, blood is collected between intracerebral or brain and skull after the perhaps angiorrhoxis between brain tissue and skull of intracerebral,
And formed when brain tissue is generated and oppressed；And brain tumor refers to the nervous system neoplasm betided in cranial cavity, including originates from
The tumour of neural epithelium, cranial nerve, meninx and reproduction cell, lymph and hematopoietic neoplasm, the craniopharyngioma of sella region and hang down
Body tumor and metastatic tumo(u)r etc..
By illumination for endoscope and camera shooting observation, cephalophyma or brain are removed by instruments such as aspirator and bipolar electrocoagulators
The lesions such as tumour, and stopping blooding is a kind of ideal Minimally Invasive Surgery method.The operation method needs to establish in through intracerebral and the ventricles of the brain
The brain tissue internal channel of lesions position.Due to the flexibility of brain tissue, expander is the ideal tools for establishing brain tissue internal channel.
Existing expander includes inner and outer tubes, and outer tube is set in inner tube, and the end of inner tube is cone cell, benefit when operation
Inner and outer tubes are punctured to suitable site of puncture simultaneously with the end of inner tube, inner tube is then drawn to patient from outer tube
In vitro, the camera lens of endoscope is put into can start to observe intracerebral lesion in outer tube.Due to not advising for intracerebral lesion
Then property, need in surgical procedure the direction for changing the camera lens of expander and endoscope at any time according to the location and shape of intracerebral lesion and
The depth, but endoscope and expander change direction and the depth needs separate operations, the convenience and accuracy of operation are lower.
Utility model content
The purpose of this utility model is to provide a kind of expanders, to solve expander convenience and standard in the prior art
The lower technical problem of true property.
Expander provided by the utility model, including inner and outer tubes；
One end of said inner tube is cone cell；
The outer tube is set in said inner tube, and has endoscope head channel and/or suction on the inner sidewall of the outer tube
Draw channel；
The endoscope head channel is used for fixed endoscope head, and the endoscope head with endoscope apparatus for connecting；
The attraction channel with aspirator for connecting.
Further, the lateral wall of the outer tube is equipped with sleeve；The sleeve is equipped with threaded hole, and the threaded hole
With the outer tube through setting；
The expander further includes fastener, and the fastener is threadedly coupled with the threaded hole, and the fastener energy
It enough protrudes into the endoscope head channel；
The fastener and the side wall in the endoscope head channel can be matched for clamping tightly the endoscope head.
Further, the expander further includes the first arc panel；
First arc panel is fixedly connected with the inner sidewall of the outer tube, to form the endoscope head channel.
Further, the expander further includes the second arc panel；
Second arc panel is fixedly connected with the inner sidewall of the outer tube, to form the attraction channel.
Further, the endoscope head channel is oppositely arranged with the attraction channel.
Further, said inner tube, the outer tube, the endoscope head channel and the attraction channel are transparence.
The purpose of this utility model, which also resides in, provides a kind of surgical instrument, including expander described in the utility model.
Further, the surgical instrument further includes endoscope apparatus；The endoscope apparatus is connect with endoscope head.
Further, the surgical instrument further includes aspirator；The aspirator is connect with the attraction channel.
Expander provided by the utility model, including inner and outer tubes；One end of said inner tube is cone cell；The outer tube sleeve
It is located in said inner tube, and there is endoscope head channel and/or attraction channel on the inner sidewall of the outer tube；The endoscope head
Channel is used for fixed endoscope head, and the endoscope head with endoscope apparatus for connecting；The attraction channel is used for and suction
Lead device connection.Inner and outer tubes are punctured to suitable site of puncture simultaneously using the end of inner tube when operation, endoscope head is solid
It is scheduled in endoscope head channel, can be penetrated in brain tissue as outer tube synchronizes, can observe expander using endoscope head is
It is no to reach target site of puncture, improve the accuracy of puncture.After expander reaches target site of puncture, inner tube is drawn to trouble
Person is external, can perform the operation, and needs to change at any time according to the location and shape of intracerebral lesion expander and interior in the course of surgery
When the direction of sight glass head and the depth, expander and endoscope head can flexibly change surgical procedure direction and the depth with synchronous movement,
Shorten operating time, improves the convenience and accuracy of expander operation.Meanwhile the attraction channel on outer tube can be absorbed at any time
The blood of visual area and sepage, conducive to visual area is seen clearly；And sucting apparatus necessary to dilator tube intracavity operation is eliminated, increase operation
The convenience and flexibility of operation.
Surgical instrument provided by the utility model, including expander provided by the utility model due to expander and interior are peeped
Camera lens can flexibly change surgical procedure direction and the depth with synchronous movement, shorten operating time, improve the convenient of expander operation
Property, flexibility and accuracy；The attraction channel designed on outer tube eliminates the intracavitary sucting apparatus that must be used of dilator tube, rises
Go out limited space in expander, improves the convenience and flexibility of surgical procedure.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of expander provided by the embodiment of the utility model；
Fig. 2 is the main view of the inner tube in expander provided by the embodiment of the utility model；
Fig. 3 is the side view of the inner tube in expander provided by the embodiment of the utility model；
Fig. 4 is the side view of the outer tube in expander provided by the embodiment of the utility model.
Icon: 1- outer tube；11- endoscope head channel；12- attraction channel；13- sleeve；2- inner tube；3- fastening
Part.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", being used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model provides a kind of expander and surgical instrument, and multiple embodiments are given below and mention to the utility model
The expander and surgical instrument of confession are described in detail.
Embodiment 1
Expander provided in this embodiment, as shown in Figures 1 to 4, including inner tube 2 and outer tube 1；One end of inner tube 2 is cone
Shape；Outer tube 1 is set in inner tube 2, and has endoscope head channel 11 and/or attraction channel 12 on the inner sidewall of outer tube 1；Inside peep
Camera lens channel 11 is used for fixed endoscope head, and endoscope head with endoscope apparatus for connecting；Attraction channel 12 is used for and suction
Lead device connection.
Wherein, can only have endoscope head channel 11 on the inner sidewall of outer tube 1, can also only have attraction channel 12,
Also endoscope head channel 11 and attraction channel 12 be can have.
It wherein, is cone cell using inner tube 2 when operation when having endoscope head channel 11 on the inner sidewall of outer tube 1
One end punctures inner tube 2 and outer tube 1 to suitable site of puncture simultaneously, and endoscope head is fixed in endoscope head channel 11, energy
It is enough to be penetrated in brain tissue as outer tube 1 synchronizes, after endoscope head is connect with endoscope apparatus, expansion can be observed using endoscope head
Whether prop reaches target site of puncture, improves the accuracy of puncture.After expander reaches target site of puncture, by inner tube 2
It is external to be drawn to patient, can perform the operation, needs to change expansion at any time according to the location and shape of intracerebral lesion in the course of surgery
When the direction and the depth of prop and endoscope head, expander and endoscope head can flexibly change surgical procedure side with synchronous movement
To and the depth, shorten operating time, improve the convenience and accuracy of operation.
Wherein, the connection type of endoscope head and endoscope head channel 11 can be bonding, or be connected together
Any suitable mode, as long as endoscope head can be fixed in endoscope head channel 11.
Preferably, endoscope head is to be removably secured to connect with the connection type in endoscope head channel 11, can be facilitated
Replace endoscope head.
Inner tube 2, outer tube 1 and the endoscope head channel 11 of expander provided in this embodiment have a variety of different diameters and
Length can be applied to the substantive interior and intraventricular operation of different depth brain tissue.Preferably, being suitble in soft brain tissue
The interior operation with endoscope head menisectomy in the ventricles of the brain of essence.
It should be noted that expander provided in this embodiment can also be applied to for example skin, subcutaneous tissue, muscle,
In the operation of any suitable soft tissue such as tendon or blood vessel.
Wherein, when having attraction channel 12 on the inner sidewall of outer tube 1, attraction channel 12 can be connect with aspirator, be inhaled
The suction tube of lead device is connect with attraction channel 12, so that attraction channel 12 be made to connect with aspirator.
Wherein, the connection type of suction tube and attraction channel 12 can be bonding, can also be appointed by connector connection etc.
The suitable mode of meaning, as long as suction tube can be fixed on attraction channel 12.Suction tube synchronous change can perform the operation at any time
Direction and the depth, suction tube are fixed on attraction channel 12, and after attraction channel 12 is connect with aspirator, visual area can be sucked out in time
Blood and diffusate, in order to find blutpunkte and bipolar electrocoagulator hemostasis, can convenient for discovery blutpunkte, accelerate hemostasis speed
Degree.
When having endoscope head channel 11 and attraction channel 12 on the inner sidewall of outer tube 1, since suction tube is fixed on suction
Draw in channel 12, endoscope head, expander and suction tube can the direction and depth of synchronous change operation at any time, can be in endoscope
It in illumination, observation and outer tube 1 while operation, synchronizes and carries out attraction operation, hemostasis speed can be accelerated convenient for discovery blutpunkte
Degree.
In the course of surgery, operating field hemostasis operation generally requires aspirator and bipolar electrocoagulator two pieces surgical instrument simultaneously
Operation.Suction tube is fixed on attraction channel 12, and after attracting tube passage 12 to connect with aspirator, the blood of visual area can be sucked out in time
Liquid and diffusate, in order to find blutpunkte and bipolar electrocoagulator hemostasis.
In bipolar electrocoagulator in use, needing to protrude into the lumen of outer tube 1, in the prior art, the limited lumen of expander
In space simultaneously accommodate endoscope head, bipolar electrocoagulator and suction tube will cause surgical procedure pole it is not nimble.Due to this implementation
Endoscope head, suction tube in the expander of example offer are separately fixed in endoscope head channel 11 and attraction channel 12, make to expand
It only needs to accommodate bipolar electrocoagulator in prop lumen or surgical procedure can be completed in other surgical instrument, compared to existing skill
Art, dilator tube is intracavitary while accommodating endoscope head, bipolar electrocoagulator and suction tube operation, expander energy provided in this embodiment
The flexibility of surgical procedure in expander is significantly improved, and is convenient for single surgical procedure.
Further, the lateral wall of outer tube 1 is equipped with sleeve 13；Sleeve 13 is equipped with threaded hole, and threaded hole and outer tube 1
Through setting；Expander further includes fastener 3, and fastener 3 is threadedly coupled with threaded hole, and fastener 3 can extend into endoscope
In head channel 11；Fastener 3 and the side wall in endoscope head channel 11 can be matched for clamping tightly endoscope head.
Specifically, an end face of the sleeve 13 far from outer tube 1 is equipped with threaded hole, and the threaded hole and outer tube 1 run through and set
It sets, fastener 3 can be threadedly coupled with threaded hole, and be protruded into endoscope head channel 11, and endoscope head is arranged in 3 He of fastener
Between the side wall in endoscope head channel 11, when fastener 3 moves to suitable position, endoscope head can be pressed on to interior peep
On the side wall in camera lens channel 11.
Wherein, fastener 3 can be bolt, or any suitable form such as stud.
As another embodiment, sleeve 13 is fixed in endoscope path way, sleeve 13 is equipped with tapped through hole, and covers
Cylinder 13 is coaxially disposed with endoscope path way, has screw thread on the side wall of endoscope head, and endoscope head can extend into tapped through hole
In, and endoscope head can be threadedly coupled with tapped through hole, so that endoscope head is fixed in endoscope path way.
Preferably, there is boss on one end that endoscope head is used to connect with endoscope apparatus, when endoscope head is along sleeve
13 turn to after boss is bonded with sleeve 13, it is impossible to continue to rotate, to position to endoscope head.
Specifically, expander further includes the first arc panel；First arc panel is fixedly connected with the inner sidewall of outer tube 1, with shape
At endoscope head channel 11, endoscope head channel 11 is tubular.
Further, expander further includes the second arc panel；Second arc panel is fixedly connected with the inner sidewall of outer tube 1, with
Attraction channel 12 is formed, attraction channel 12 is tubular.
In the present embodiment, endoscope head channel 11 is oppositely arranged with attraction channel 12.Prevent endoscope head and suction tube phase
Mutually interference.
Further, inner tube 2, outer tube 1, endoscope head channel 11 and attraction channel 12 are transparence.So as to logical
It crosses expander and observes brain tissue outside outer tube 1.
Expander provided in this embodiment, including inner tube 2 and outer tube 1；One end of inner tube 2 is cone cell；In outer tube 1 is set in
On pipe 2, and there is endoscope head channel 11 and/or attraction channel 12 on the inner sidewall of outer tube 1；Endoscope head channel 11 is for solid
Determine endoscope head, and endoscope head with endoscope apparatus for connecting；Attraction channel 12 with aspirator for connecting.It is sharp when operation
Inner tube 2 and outer tube 1 are punctured simultaneously to suitable site of puncture with the end of inner tube 2, it is logical that endoscope head is fixed on endoscope head
It in road 11, can be penetrated in brain tissue as outer tube 1 synchronizes, expander can be observed using endoscope head whether reach target and wear
Position is pierced, the accuracy of puncture is improved.After expander reaches target site of puncture, it is external that inner tube 2 is drawn to patient
It performs the operation, needs the direction for changing expander and endoscope head at any time according to the location and shape of intracerebral lesion in the course of surgery
When with the depth, expander and endoscope head can flexibly change surgical procedure direction and the depth with synchronous movement, when shortening operation
Between, improve the convenience and accuracy of operation.Meanwhile the attraction channel 12 on outer tube can absorb the blood and infiltration of visual area at any time
Liquid, conducive to visual area is seen clearly；And eliminate sucting apparatus necessary to dilator tube intracavity operation, increase surgical procedure convenience and
Flexibility.
Embodiment 2
Surgical instrument provided in this embodiment, including expander described in embodiment 1.Expander utilizes inner tube in operation
2 end punctures inner tube 2 and outer tube 1 to suitable site of puncture simultaneously, and endoscope head is fixed in endoscope head channel 11,
It can be penetrated in brain tissue as outer tube 1 synchronizes, can observe whether expander reaches target site of puncture using endoscope head,
Improve the accuracy punctured.After expander reaches target site of puncture, it is external that inner tube 2 is drawn to patient, hand can be carried out
Art needs the direction and the depth that change expander and endoscope head at any time according to the location and shape of intracerebral lesion in the course of surgery
When, expander and endoscope head can flexibly change surgical procedure direction and the depth with synchronous movement, shorten operating time.Meanwhile
Attraction channel 12 on outer tube can absorb blood and the sepage of visual area at any time, conducive to visual area is seen clearly；And eliminate dilator tube
Sucting apparatus necessary to intracavity operation increases the convenience and flexibility of surgical procedure.
Further, the surgical instrument further includes endoscope apparatus；Endoscope apparatus is connect with endoscope head.
After wherein endoscope apparatus is connect with endoscope head, site of puncture can be observed and be illuminated to endoscope head, specifically
Ground, endoscope apparatus are equipped with display screen, switch and control device, and endoscope apparatus is connected with endoscope head by connecting line,
After switch is opened, endoscope apparatus and endoscope head starting, the image transmitting of the site of puncture of endoscope head shooting is to display screen
On, and endoscope head can control by control device and illuminated.
Further, the surgical instrument further includes aspirator；Aspirator is connect with attraction channel 12.Aspirator is opened
Afterwards, attraction operation can be carried out to site of puncture by attraction channel 12.
Surgical instrument provided in this embodiment, including expander described in embodiment 1.Since expander and endoscope head can
With synchronous movement, flexibly change surgical procedure direction and the depth, shorten operating time, improves the convenience and standard of expander operation
True property, to improve the convenience and accuracy of surgical instrument operation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of expander, which is characterized in that including inner and outer tubes；
One end of said inner tube is cone cell；
The outer tube is set in said inner tube, and is had endoscope head channel on the inner sidewall of the outer tube and/or attracted logical
Road；
The endoscope head channel is used for fixed endoscope head, and the endoscope head with endoscope apparatus for connecting；
The attraction channel with aspirator for connecting.
2. expander according to claim 1, which is characterized in that the lateral wall of the outer tube is equipped with sleeve；The set
Cylinder is equipped with threaded hole, and the threaded hole and the outer tube are through setting；
The expander further includes fastener, and the fastener is threadedly coupled with the threaded hole, and the fastener can be stretched
Enter in the endoscope head channel；
The fastener and the side wall in the endoscope head channel can be matched for clamping tightly the endoscope head.
3. expander according to claim 1, which is characterized in that the expander further includes the first arc panel；
First arc panel is fixedly connected with the inner sidewall of the outer tube, to form the endoscope head channel.
4. expander according to claim 1, which is characterized in that the expander further includes the second arc panel；
Second arc panel is fixedly connected with the inner sidewall of the outer tube, to form the attraction channel.
5. expander according to claim 1, which is characterized in that the endoscope head channel is opposite with the attraction channel
Setting.
6. expander according to claim 1, which is characterized in that said inner tube, the outer tube, the endoscope head channel
It is transparence with the attraction channel.
7. a kind of surgical instrument, which is characterized in that including expander of any of claims 1-6.
8. surgical instrument according to claim 7, which is characterized in that the surgical instrument further includes endoscope apparatus；Institute
Endoscope apparatus is stated to connect with endoscope head.
9. surgical instrument according to claim 7, which is characterized in that the surgical instrument further includes aspirator；The suction
Lead device is connect with the attraction channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714936.4U CN208808540U (en) | 2018-05-14 | 2018-05-14 | dilator and surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714936.4U CN208808540U (en) | 2018-05-14 | 2018-05-14 | dilator and surgical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208808540U true CN208808540U (en) | 2019-05-03 |
Family
ID=66268845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820714936.4U Active CN208808540U (en) | 2018-05-14 | 2018-05-14 | dilator and surgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208808540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542439A (en) * | 2018-05-14 | 2018-09-18 | 浙江大学医学院附属第医院 | Dilator and surgical instrument |
| CN110584743A (en) * | 2019-09-12 | 2019-12-20 | 济南科众医疗科技有限公司 | Brain hematoma removing system |
-
2018
- 2018-05-14 CN CN201820714936.4U patent/CN208808540U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542439A (en) * | 2018-05-14 | 2018-09-18 | 浙江大学医学院附属第医院 | Dilator and surgical instrument |
| CN108542439B (en) * | 2018-05-14 | 2024-06-25 | 浙江大学医学院附属第一医院 | Dilator and surgical instrument |
| CN110584743A (en) * | 2019-09-12 | 2019-12-20 | 济南科众医疗科技有限公司 | Brain hematoma removing system |
| CN110584743B (en) * | 2019-09-12 | 2020-08-21 | 济南科众医疗科技有限公司 | Brain hematoma removing system |
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