CN110338858A - Compound pulling device - Google Patents
Compound pulling device Download PDFInfo
- Publication number
- CN110338858A CN110338858A CN201810285518.2A CN201810285518A CN110338858A CN 110338858 A CN110338858 A CN 110338858A CN 201810285518 A CN201810285518 A CN 201810285518A CN 110338858 A CN110338858 A CN 110338858A
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- China
- Prior art keywords
- conduit
- sacculus
- pulling device
- sheath
- handle
- 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.)
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Classifications
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- 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
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- 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
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
- A61B2017/0225—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery flexible, e.g. fabrics, meshes, or membranes
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- 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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to the compound pulling devices for having both mechanical and sacculus drawing.The present invention provides compound pulling devices, comprising: mechanical stretch device, handle, conduit, sacculus, in which: handle carries out mechanical stretch for controlling mechanical stretch device；Conduit, for carrying out fluid charge and discharge to sacculus；Bending drawing can be achieved in sacculus after fluid-filled.The advantages of present invention more improves and is suitble to body operation actual conditions and combines both balloon inflation and mechanical traction.
Description
Technical field
The present invention relates to medical instruments fields, more particularly to have both the compound pulling device of mechanical and sacculus drawing.
Background technique
Retractor (retractors) is also known as drag hook, and to retract tissue, appearing needs range of operation, convenient for detecting and grasping
Make, two class of hand-held drag hook and self-retractor can be divided into.There is the specification of various different shapes and size, can need to select according to operation
Suitable drag hook.
Traditional retractor needs biggish operating space, this just needs to cause biggish surgical wound.It is traditional simultaneously
Retractor is mostly used metal manufacture, while having sharp end, be easy to cause the secondary insult of patient, damages organs in adult.
Conduit retractor is for the tissue retraction in performing the operation, and the natural cavity that the product passes through intervenes or open surgery
Intervention is completed to retract operation.Operation includes but are not limited to all kinds of laparoscopic surgeries, cardiovascular major class operation, cerebral operations, disappears
Change road operation, urinary disorders operation etc., retracted tissue includes but are not limited to gastrointestinal tract, esophagus, air flue, urethra, vagina, wing
Guang etc..Purpose is retracted to include but are not limited to protection specific organization, remove specific organization to facilitate surgical procedure.
In order to overcome the defect of mechanical stretch device, sacculus pulling device starts to be employed for similar operation in recent years.With
Mechanical stretch device difference sacculus pulling device has completely new drawing principle and apparatus structure.It is with fluid-filled, usually
It is liquid or gas, balloon-system can expand this feature of occupy-place, and by human organ or tissue separates and shape in-between
At distance, to reach drawing effect.
To generate gap between tissue using balloon inflation is a kind of compared with metal tractor more preferably way, it is small in size
The anatomical part for needing to be isolated can be placed under the premise of not excessively injury tissue.Balloon inflation surface simultaneously
Smooth pliable is not easy to cause to damage to tissue.Such as Chinese patent 200580028684.5 be provided with a kind of tissue remove/
Separation equipment.The equipment includes the sacculus that can be expanded between the first tissue and minor microstructure of body.The sacculus has swollen
Bulging shape is selected to by a kind of suitable for protecting the first tissue not by a manner of being influenced on minor microstructure application for the treatment of
The first tissue is removed or separated from minor microstructure.
This just proposes higher requirement to the material of sacculus and bending degree, is only accurately counted to balloon material
Calculate and test the traction required distance that can be only achieved particular procedure.This, which just gives, prepares this sacculus and brings difficulty, propose compared with
High technical requirements.In some specific operations, the bending degree of single sacculus may cannot achieve the traction that operation requires
Distance.
But this invention is only to disclose a possibility that tissue is isolated using balloon inflation, one original to fill
There is the sacculus of fluid to be not appropriate in anyone body tissue for expanding isolation.This sacculus is even used to a certain extent
Inflation will cause huge potential risk in human body.And sacculus can be close to tissue under certain Fluid pressure, although
It can isolate different tissues but also the confined space of close packed between the two make operation more difficult simultaneously, if passed through
There is also the risks of explosion for sacculus when sharp surgical device and the operation means of calcination.Therefore balloon inflation device is different from machine
Tool pulling device cannot effectively realize the traction of big displacement and be not take up operative space, it can only play isolation tissue
Effect.Furthermore judge that the specific present position of sacculus is also relatively difficult from external, and in general such operation is usually suitable
It is accurate.Also more difficult exclusion leads to new risk to hydrops in vivo simultaneously.
Therefore, it is necessary to a kind of more perfect and suitable body operation actual conditions using sacculus as the hand of retractor
Art device is to combine balloon inflation and mechanical the advantages of retracting the two.
Summary of the invention
It is an object of the invention to be based on the above issues that natural cavity intervention or open surgery intervention are completed to lead
It opens operation and a kind of bending air bag is provided, solving current catheter retractor, structure is complicated, and inconvenient for operation, product diameter is larger, nothing
The problems such as method can not accurately control drawing dynamics by narrow, complicated cavity, and reliability is not high, to realize one
The simple and reliable conduit of kind retracts.
In order to achieve the above object, the present invention provides a kind of compound pulling device, comprising: mechanical stretch device, is led at handle
Pipe, sacculus, in which: handle carries out mechanical stretch for controlling mechanical stretch device；Conduit is filled for carrying out fluid to sacculus
It puts；Bending drawing can be achieved in sacculus after fluid-filled.
Wherein, which further includes the sheath being coated on outside the conduit close to handle one end, sheath and
Having the gap between conduit can relatively move, and sheath is equipped with locking pin, the relative position for locking catheters and sheath.Sheath
Lubricating fluid can be filled in having the gap between conduit.It is equipped with oil sealing between sheath both ends and conduit, is used for sealing duct and sheath
Gap between pipe.Sheath further includes that an extraneous fixed device is fixed for entire sheath relative to patient.
Catheter interior is hollow, has one or more radial through-hole, is used for sacculus charge and discharge fluid.In one of through-hole
Equipped with drawing cabling.Multiple radial through-hole can be used for placing developing apparatus, or can be used for placing temperature detection device, or
Draining saliva, or for disposing negative pressure device.Conduit is not equipped with sacculus, sacculus by sheath covered section far from handle one end
It is wrapped in outside conduit, conduit is used to be connected through conduit with sacculus to the through-hole of sacculus charge and discharge fluid.Conduit is by sacculus packet
The part covered is more soft compared to other conduit portions.
Handle has a dial mutually chimeric with conduit, it is intended to which mobile or rotation, which occurs, for conduit to be arrived with Real-time Feedback
On dial.
Mechanical stretch unit is a filament, is individually fixed in the separate handle end part of 1 operating element of handle and sacculus 4
Or the separate handle end part of entire compound pulling device, by the operation to handle operating element, filament is tensed, to make
The compound pulling device is obtained to bend.Mechanical stretch unit is also possible to flexible memory wire, the memory gold
Belonging to whole to be placed in conduit, both ends are individually fixed near sacculus both ends, and after device enters human body, temperature changes,
The memory wire natural torsion drives the bending of entire compound pulling device.
It is an advantage of the invention that being had complementary advantages using two kinds of drawing modes, the effect of mechanical stretch is pre-bending, can filled
It is full of before sacculus, pre-bending determines direction.In addition, mechanical stretch can prevent sacculus just in case being used as protection when failure.
And the drawing compared with safety precise may be implemented in sacculus drawing mode, it is ensured that patient safety.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the compound pulling device of the present invention；
Fig. 2 is a sectional view of the compound pulling device conduit of the present invention；
Fig. 3 is the structural schematic diagram of the compound pulling device sheath tube portion of the present invention；
Fig. 4 is the compound pulling device handle portion structural schematic diagram of the present invention；
Fig. 5 is the structural schematic diagram of mechanical stretch unit of the present invention；
Fig. 6 is the partial enlarged view at Fig. 5 mark B；
Fig. 7 is the partial enlarged view at Fig. 5 mark C.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of the compound pulling device of the present invention.It is of the invention compound to lead according to Fig. 1
Drawing device is by several part groups such as handle 1, sheath 2, conduit 3, sacculus 4 and the mechanical stretch devices that is arranged in inside conduit 3
At defining close to 1 direction of handle is proximal end, and another side is distal end.Wherein handle 1 carries out machinery for controlling mechanical stretch device
Drawing.Conduit 3 is used to carry out fluid charge and discharge to sacculus 4 and realizes the bending drawing of sacculus 4.
The sheath 2 being coated on outside conduit 3, has the gap between sheath 2 and conduit 3 for filling lubricating fluid.Inside conduit 3
It is hollow, there are one or more radial through-hole 5, drawing cabling is equipped in through-hole 5, through-hole 5 is also used to sacculus charge and discharge fluid.Sheath
23 proximal parts of cladding conduit of pipe, 3 distal end of conduit are not equipped with sacculus 4 by 2 covered section of sheath, and sacculus 4 is wrapped in outside conduit 3
Side, conduit 3 are used to be connected through conduit 3 with sacculus 4 to the through-hole 5 of 4 charge and discharge fluid of sacculus.
3 proximal end of conduit is a Y type hollow tube, is responsible for carrying out fluid charge and discharge and built-in machines pulling device to sacculus 4
Cabling.Handle 1 is connected directly with drawing conducting wire.Sheath 2 is coated on adjacent with handle 1 except proximal catheter 3.Sacculus 4 coats
Except distal catheter 3, wherein 3 part of conduit coated by sacculus 4 is more soft compared to other 3 parts of conduit.
Referring to figure 2., Fig. 2 is a sectional view of the compound pulling device conduit of the present invention.In one embodiment, conduit
3 have multiple radial through-hole 5, there is the fluid charge and discharge for sacculus 4 in through-hole 5, remaining through-hole 5 or can be used for sacculus 4
Fluid charge and discharge, or can be used for placing mechanical stretch unit, or can be used for placing developing apparatus, or can be used for placing temperature
Detection device is spent, or draining saliva, or for disposing negative pressure device.Developing apparatus can be a piece development seal wire of insertion,
It can be and be coated with development coating on cavity wall, can be and fill developer solution, such through-hole 5 can have a channel for spraying
On developer solution to natural cavity wall.Temperature detection device can be temperature probe, can be temperature-sensitive patch, for reflecting in real time certainly
Temperature conditions in right cavity.
It is the structural schematic diagram of the compound pulling device sheath tube portion of the present invention referring next to Fig. 3, Fig. 3.In Fig. 3,
It is equipped with oil sealing 6 between 2 both ends of sheath and conduit 3, for the gap between sealing duct 3 and sheath 2, and in gap plus can moisten
Synovia.The lubricating arrangement has several forms of expression, one is for sealing lubricating fluid that may be present in sheath 2, outside oil sealing 6
Circle should be fixed on oil sealing 6, and 6 inner ring of oil sealing should be bonded conduit 2 but be nearly free from frictional force.The pouring orifice 7 is for injecting profit
Synovia.The lubricating fluid should be edible liquid, it is desirable to provide the lubrication between sheath 2 and conduit 3.The lubricating arrangement it is another
One kind, which takes the form of, coats lubricant coating respectively in 2 inner wall of sheath and 3 outer wall of conduit to form lubrication.
Sheath 2 in Fig. 3 is also comprising extraneous fixed device.It can turn around main shaft between sheath 2 and conduit 3 and sacculus 4
It is dynamic.The fixed device in the external world is intended to fix entire sheath and fixes relative to patient, and one kind taking the form of a kind of headgear, can make sheath
It manages relatively fixed with patients head.
Sheath 2 in Fig. 3 also includes a locking pin 8.8 major function of locking pin is can to allow of the invention compound lead
Drawing device can be fixed on that position after reaching a certain position, and extraneous twisting no longer disturbs the position of whole device
It sets.One of this locking pin 8 takes the form of screw.This locking pin 8 another take the form of knob or by
The self-locking structure of button.The sheath 2, should be relatively fixed with conduit 3 when locking pin 8 is in the lock state, to not generate cunning
It is dynamic.
Again referring to Fig. 4, being the compound pulling device handle portion structural schematic diagram of the present invention in Fig. 4.Wherein the one of handle 1
A disk is knob, should there is the shell 11 of chasing lever 1 above.Drive shaft 10 in handle 1 is connected (chimeric) with conduit 3, hand
Handle shell 11 and sheath 2 are chimeric.It (can also be in the form of other with bearing lubrication between drive shaft 10 and handle casing 11 in handle
Lubrication), handle 1 is interior there are three through-hole 5, and hollow one is used to inject the charge and discharge fluid of sacculus 4, and in addition surrounding is (on non-main shaft
) through-hole 5 can be used for walking mechanical stretch unit, or can be used for placing developing apparatus, or can be used for placing temperature sensing
Device, or draining saliva, or for disposing negative pressure device.
Realize that the key of the composite application of mechanical stretch and sacculus drawing of the invention is the adjustment of position.Therefore this hair
It is bright also to there is a setting position adjustment unit to be used for for adjusting position and relative angle of the device relative to natural cavity
It connects each fluid charge and discharge through-hole 5 and extraneous charge and discharge source and is controlled, with graduated knob or other forms of expression, example
As rocking bar, such as button are mutually chimeric with conduit with knob or pushing button structure, it is intended to can be anti-in real time when structure occurs mobile
The movement or rotation for being fed to whole device and device can be on Real-time Feedbacks to dial.In addition, there are one zeros to press
Button, major function be when device being allowed to reach desired position, makes dial zero point and present by the button that is zeroed
Button alignment.
Referring to figure 5., Fig. 5 is the structural schematic diagram of mechanical stretch unit of the present invention.In Fig. 5, mechanical stretch unit
One takes the form of, and an one metal wire 12 or nylon yarn are individually fixed in the distal portion of handle 1 operating element and sacculus 4
Point or whole device distal portions, pass through the operation to 1 operating element of handle, wire 12 tense so that sacculus 4
Part bends in the case where not full.Another of mechanical stretch unit takes the form of, a flexible memory
Wire 12, such as Nitinol.Memory metal, being influenced auto Deformation by human body temperature being capable of bending.The memory metal is whole
Item is placed in conduit 3, and one end should be fixed on the near proximal ends of bending sacculus, and the other end should be fixed on the proximate distal ends of sacculus 4,
After device enters human body, temperature changes, and 12 natural torsion of wire drives the bending of whole device.The work of mechanical stretch
, can be before Filled Balloon with being pre-bending, pre-bending determines direction.In addition, mechanical stretch can prevent sacculus just in case losing
As protection when effect.
Mechanical stretch unit includes one or more knob or push button, and knob and push button are all connected with mechanical structure.
One of knob takes the form of a kind of ropy draw-off mechanism, by the movement of push button and knob, corresponding ropy by
Drawing is to drive corresponding mechanical stretch unit.
Fig. 6 and Fig. 7 are please referred to, Fig. 6 and Fig. 7 are the partial enlarged view at Fig. 5 acceptance of the bid B and C two respectively.In Fig. 6 and Fig. 7
In, the fixed point and mutual alignment relation of 12 both ends of wire and conduit 2, which are clearly shown, to be come.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With.It can be applied to various suitable the field of the invention completely.It can be easy for those skilled in the art
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and the legend of showing and describsion here.
Claims (13)
1. compound pulling device, characterized by comprising: mechanical stretch device, handle, conduit, sacculus, in which:
Handle carries out mechanical stretch for controlling mechanical stretch device；
Conduit, for carrying out fluid charge and discharge to sacculus；
Bending drawing can be achieved in sacculus after fluid-filled.
2. compound pulling device according to claim 1, which is characterized in that the compound pulling device further includes cladding
Close to the sheath of handle one end outside the conduit, having the gap between sheath and conduit can be relatively moved, and sheath is equipped with
Locking pin, the relative position for locking catheters and sheath.
3. compound pulling device according to claim 2, which is characterized in that it is had the gap between the sheath and conduit,
Lubricating fluid can wherein be filled.
4. compound pulling device according to claim 2, which is characterized in that be equipped between the sheath both ends and conduit
Oil sealing, for the gap between sealing duct and sheath.
5. compound pulling device according to claim 2, which is characterized in that the sheath further includes one extraneous fixed
Device is fixed for entire sheath relative to patient.
6. compound pulling device according to claim 1, which is characterized in that the catheter interior is hollow, has one
Or multiple radial through-hole, it is used for sacculus charge and discharge fluid.
7. compound pulling device according to claim 6, which is characterized in that be equipped with drawing in one of through-hole
Cabling.
8. compound pulling device according to claim 6, which is characterized in that multiple radial through-hole can be used for
Developing apparatus is placed, or can be used for placing temperature detection device, or draining saliva, or for disposing negative pressure device.
9. compound pulling device according to claim 1, which is characterized in that the conduit is far from handle one end not by sheath
Pipe covered section is equipped with sacculus, and sacculus is wrapped in outside conduit, conduit be used for the through-hole of sacculus charge and discharge fluid through conduit with
Sacculus is connected.
10. compound pulling device according to claim 9, which is characterized in that the part that the conduit is coated by sacculus
It is more soft compared to other conduit portions.
11. compound pulling device according to claim 1, which is characterized in that the handle have dial with
Conduit is mutually fitted into, it is intended to which conduit can be on Real-time Feedback to dial when movement occurs or rotating.
12. compound pulling device according to claim 1, which is characterized in that the mechanical stretch unit is one thin
Silk is individually fixed in the separate handle end part of 1 operating element of handle and sacculus 4 or the separate hand of entire compound pulling device
Shank end portion, by the operation to handle operating element, filament is tensed, so that the compound pulling device bends.
13. compound pulling device according to claim 1, which is characterized in that the mechanical stretch unit is flexible
Memory wire, the memory metal is whole to be placed in conduit, and both ends are individually fixed near sacculus both ends, device into
After entering human body, temperature changes, and the memory wire natural torsion drives the bending of entire compound pulling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285518.2A CN110338858B (en) | 2018-04-02 | 2018-04-02 | Composite traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285518.2A CN110338858B (en) | 2018-04-02 | 2018-04-02 | Composite traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110338858A true CN110338858A (en) | 2019-10-18 |
| CN110338858B CN110338858B (en) | 2022-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285518.2A Active CN110338858B (en) | 2018-04-02 | 2018-04-02 | Composite traction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110338858B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143489A (en) * | 2021-03-09 | 2021-07-23 | 武汉开阖同立医疗科技有限公司 | A sacculus pipe that is arranged in laparoscopic surgery gallbladder bag decompression and pulls |
| WO2021208663A1 (en) * | 2020-04-16 | 2021-10-21 | 上海科赐医疗技术有限公司 | Curved balloon catheter retractor |
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| US20100312179A1 (en) * | 2009-03-17 | 2010-12-09 | Julian Nikolchev | Method and apparatus for distracting a joint, including the provision and use of a novel joint-spacing balloon catheter and a novel inflatable perineal post |
| US20120239046A1 (en) * | 2009-03-17 | 2012-09-20 | William Kaiser | Method and apparatus for distracting a joint |
| CN204246239U (en) * | 2014-11-22 | 2015-04-08 | 常州乐奥医疗科技有限公司 | A kind of sphincterotomy cutter with sacculus the planning function |
| CN105769268A (en) * | 2015-11-16 | 2016-07-20 | 深圳市擎源医疗器械有限公司 | Brain retractor |
| CN105816211A (en) * | 2016-05-06 | 2016-08-03 | 高宏 | Trocar balloon expander |
| CN205759106U (en) * | 2016-04-13 | 2016-12-07 | 上海形状记忆合金材料有限公司 | A kind of sheath pipe changing camber and pliability |
| CN206355086U (en) * | 2016-10-10 | 2017-07-28 | 中国人民解放军第四军医大学 | Draw tissue fixator in a kind of art |
| CN206777371U (en) * | 2016-12-12 | 2017-12-22 | 上海形状记忆合金材料有限公司 | A kind of adjustable bending conveying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100312179A1 (en) * | 2009-03-17 | 2010-12-09 | Julian Nikolchev | Method and apparatus for distracting a joint, including the provision and use of a novel joint-spacing balloon catheter and a novel inflatable perineal post |
| US20120239046A1 (en) * | 2009-03-17 | 2012-09-20 | William Kaiser | Method and apparatus for distracting a joint |
| CN103458954A (en) * | 2010-11-08 | 2013-12-18 | 皮沃特医疗公司 | Method and apparatus for distracting a joint |
| CN204246239U (en) * | 2014-11-22 | 2015-04-08 | 常州乐奥医疗科技有限公司 | A kind of sphincterotomy cutter with sacculus the planning function |
| CN105769268A (en) * | 2015-11-16 | 2016-07-20 | 深圳市擎源医疗器械有限公司 | Brain retractor |
| CN205759106U (en) * | 2016-04-13 | 2016-12-07 | 上海形状记忆合金材料有限公司 | A kind of sheath pipe changing camber and pliability |
| CN105816211A (en) * | 2016-05-06 | 2016-08-03 | 高宏 | Trocar balloon expander |
| CN206355086U (en) * | 2016-10-10 | 2017-07-28 | 中国人民解放军第四军医大学 | Draw tissue fixator in a kind of art |
| CN206777371U (en) * | 2016-12-12 | 2017-12-22 | 上海形状记忆合金材料有限公司 | A kind of adjustable bending conveying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208663A1 (en) * | 2020-04-16 | 2021-10-21 | 上海科赐医疗技术有限公司 | Curved balloon catheter retractor |
| CN113143489A (en) * | 2021-03-09 | 2021-07-23 | 武汉开阖同立医疗科技有限公司 | A sacculus pipe that is arranged in laparoscopic surgery gallbladder bag decompression and pulls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110338858B (en) | 2022-08-16 |
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Address after: Room 408-1, 4th floor, building 3, No. 55, Rongyang Road, Songjiang District, Shanghai, 201613 Applicant after: SHANGHAI KECI MEDICAL TECHNOLOGY Co.,Ltd. Address before: Room 1301B, Block B, Jinying Building, 1518 Minsheng Road, Pudong New District, Shanghai, 2003 Applicant before: SHANGHAI KECI MEDICAL TECHNOLOGY Co.,Ltd. |
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