CN206651879U - Tissue fixator - Google Patents
Tissue fixator Download PDFInfo
- Publication number
- CN206651879U CN206651879U CN201621460315.5U CN201621460315U CN206651879U CN 206651879 U CN206651879 U CN 206651879U CN 201621460315 U CN201621460315 U CN 201621460315U CN 206651879 U CN206651879 U CN 206651879U
- Authority
- CN
- China
- Prior art keywords
- base body
- sliding block
- briquetting
- tissue fixator
- universal
- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 19
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000010247 heart contraction Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 210000001562 sternum Anatomy 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000007675 cardiac surgery Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 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
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000005003 heart tissue Anatomy 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of tissue fixator, including grip base, universal joint, handle, described grip base passes through a connection piece and universal joint, handle is connected, the end of described universal joint is connected with suction nozzle, described grip base includes base body, the sliding block being slidably matched with base body, described base body and sliding block are provided with the clamping structure for being used to be fixed in the fixing device of peripheral hardware to cooperate, the first spring for being used for driving sliding block to slide is provided with described base body, briquetting is provided with described sliding block, described briquetting passes through a handle with eccentric shaft and base body extruding contact or separation.The purpose of this utility model is to provide a kind of tissue fixator for clamping stabilization.
Description
Technical field
Cardiac surgery operation instrument field is the utility model is related to, it is specifically a kind of to be used in Beating heart
Tissue fixator.
Background technology
In recent years, with the development and progress and the continuous improvement of associated surgical instrument and wound of cardiac surgery operation technology
Newly so that heart beating coronary bypass surgery has obtained development at full speed, and tradition stops extracorporal circulatory system and stops jumping bypass surgery use
Limit more, while many adverse reactions can be caused to patient, easily trigger many diseases, and heart beating bypass surgery is treated
Effect is good, and small, success rate of operation height is injured to patient body.
In heart beating coronary bypass surgery, tissue fixator needs to be fixed on sternum retractor, uses at present
Tissue fixator following two defects be present：First, grip base dynamics is inadequate or unstable, and being fixed on sternum retractor has
The situation of loosening；Heart surface can not be tightened when the 2nd, adsorbing heart surface, it has not been convenient to which doctor finds and suture blood vessel.
Utility model content
The purpose of this utility model is to provide a kind of tissue fixator for clamping stabilization.
Specific technical scheme of the present utility model is：A kind of tissue fixator, including grip base, universal joint, handle,
Described grip base is connected by a connection piece with universal joint, handle, and the end of described universal joint is connected with suction nozzle, described
Grip base include base body, the sliding block being slidably matched with base body, described base body and sliding block are provided with phase
The clamping structure for being used to be fixed in the fixing device of peripheral hardware mutually coordinated, interior be provided with of described base body are used to drive sliding block
The first spring slided, described sliding block is interior to be provided with briquetting, and described briquetting, which passes through one, has the handle and base sheet of eccentric shaft
Body extruding contact or separation.
In above-mentioned tissue fixator, the one side on described briquetting close to base body is provided with multiple perpendicular to sliding block
The rack of glide direction.
In above-mentioned tissue fixator, groove is provided with described sliding block, described briquetting is arranged in the groove, institute
It is additionally provided with the groove stated for the second spring with briquetting extruding contact.
In above-mentioned tissue fixator, described base body is the base body of plastic material, and described briquetting is
The briquetting of metal material.
In above-mentioned tissue fixator, described suction nozzle includes two vacuum cavities, connection fixing bases, described connection
The both ends of fixed seat are movable end, and described connection fixing base makes movable end open or close, described negative pressure by a pulling block
Cavity is connected on movable end correspondingly, and drawstring is connected with described pulling block.
In above-mentioned tissue fixator, described drawstring adjusts the elastic handle phase of drawstring through universal joint with being used for
Even.
In above-mentioned tissue fixator, described movable end is connected with vacuum cavity by a connecting rod.
In above-mentioned tissue fixator, in addition to one is used to be socketed in sealing heelpiece in connecting rod.
In above-mentioned tissue fixator, described universal joint is by first universal section and second universal section of interconnection group
Into described first universal section is connected with connector, and described second universal section is connected with suction nozzle, described first universal section
Diameter is more than second universal section of diameter.
In above-mentioned tissue fixator, changeover portion is additionally provided between described first universal section and second universal section；
Described first universal section is in turn connected to form by sphere diameter for 16 ± 0.05mm of Φ big ball and big ball support；
Described second universal section is in turn connected to form by the bead and bead support that sphere diameter is 12.3 ± 0.05mm of Φ.
Compared with prior art, the beneficial effects of the utility model are：
The grip base clamping force of tissue fixator is bigger, and tissue fixator and sternum retractor are more firm after clamping.It is logical
When crossing handle tension universal joint, expansible certain angle at the connection fixing base of suction nozzle, after suction nozzle is adsorbed in heart surface, draw
Tight universal joint, the tissue regions that heart is fixed can be tightened, and more conducively doctor finds blood vessel and carries out vascular suture.Before universal joint
Section is small, and back segment is big, and weight capacity is stronger during tension, simultaneously as leading portion is bead, takes up space smaller, there is provided bigger operation
Operating space.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the grip base decomposing schematic representation of the utility model embodiment 1；
Fig. 3 is the grip base bottom schematic view of the utility model embodiment 1；
Fig. 4 is the suction nozzle decomposing schematic representation of the utility model embodiment 1；
Fig. 5 is the gimbal structure schematic diagram of the utility model embodiment 1.
Embodiment
With reference to embodiment, the technical solution of the utility model is described in further detail, but not structure
Paired any restrictions of the present utility model.
Embodiment 1
As shown in Fig. 1 to 5, a kind of tissue fixator, including grip base 1, universal joint 3, handle 4, described clamping bottom
Seat 1 is connected by a connection piece 6 with universal joint 3, handle 4, and the end of described universal joint 3 is connected with suction nozzle 2, described clamping
Base 1 includes base body 8, the sliding block 14 being slidably matched with base body 8, and described base body 8 and sliding block 14 are provided with
The clamping structure for being used to be fixed in the fixing device of peripheral hardware to cooperate, interior be provided with of described base body 8 are used to drive
The first spring 9 that sliding block 14 slides, described sliding block 14 is interior to be provided with briquetting 12, and described briquetting 12 has eccentric shaft by one
Handle 13 and the extruding of base body 8 contact or separation.
In actual use, clamping structure is carried out corresponding according to the shape of the fixed pedestal of the required peripheral hardware clamped
Selection, such as, if the fixed pedestal of peripheral hardware is cylinder, clamping structure is is distributed on sliding block 14 and base body 8
The semicircular cambered surface of relative two, so relatively good occlusion, it is of course also possible to be distributed in sliding block 14 and base body 8
On relative two V-shaped strip occlusal surface, if the fixed pedestal of peripheral hardware be strip it is square, clamping structure for point
The occlusal surface of relative two U-shaped of the cloth on sliding block 14 and base body 8.
The length of first spring 9 is longer, it is desirable to provide larger resilient pressing force makes sliding block 14 multiple to drive sliding block 14
Position.Specific length determines according to the volume of this tissue fixator.Specifically, sliding block 14 is provided with two and the first spring 9
The baffle plate 15 of contact, the first spring 9 realize the driving to sliding block 14 by driving baffle plate 15.It is corresponding, set in base body
There is the strip slot 16 for accommodating the first spring 9, baffle plate 15 is extended in strip slot 16.
Described briquetting 12 is specifically come by a handle 13 with eccentric shaft and the extruding of base body 8 contact or separation
Say, eccentric shaft is lower section with briquetting 12, and briquetting 12 is preferably L-type, during such eccentric shaft turns, briquetting 12 can be made up or under
OK, briquetting 12 presses against the lower surface of base body 8 when up, realizes being fixedly connected for sliding block 14 and base body 8.
As needed, a series of racks can also be set in the lower surface of base body 8, the upper surface of briquetting 12 can also be set
The rack being engaged, it is more preferable to be so engaged fixed effect.
In the present embodiment, the one side on described briquetting 12 close to base body 8 is slided provided with multiple perpendicular to sliding block 14
The rack 10 in dynamic direction；At the same time, described base body 8 is the base body 8 of plastic material, and described briquetting 12 is gold
Belong to the briquetting 12 of material, so occlusion can be more close, because the characteristic of the plastic material of base body 8 means rack 10 more
Easily it is engaged in frosting.
It is not easy to drop out in order that this briquetting 12 is more fixed, groove 17, described briquetting 12 is provided with described sliding block 14
It is arranged in the groove 17, is additionally provided with described groove 7 for the second spring 11 with the extruding contact of briquetting 12, such sliding block
14 cans are preferably fixed in groove 17.
One important 2 points of the suction nozzle 2 of the present embodiment and the present embodiment, the vacuum cavity 20 of the suction nozzle 2 of the present embodiment
Opening angle be it is adjustable, specifically, described suction nozzle 2 include two vacuum cavities 20, connection fixing base 18, it is described
The both ends of connection fixing base 18 are movable end 23, and vacuum cavity 20 is connected with negative tube 7, triple valve 5 is connected with negative tube 7,
Described connection fixing base 18 makes movable end 23 open or close by a pulling block 19, and described vacuum cavity 20 is one-to-one
It is connected on movable end 23, drawstring 24 is connected with described pulling block 19, described drawstring 24 is adjusted through universal joint 3 with being used for
The elastic handle 4 of drawstring 24 is connected.Described movable end and vacuum cavity 20 is connected by a connecting rod 21；In connecting rod 21 also
One sealing heelpiece 22 of socket makes the sealing of vacuum cavity 20 more preferably.
In general, two vacuum cavities 20 are connected by elastoplast connector 6, can so make two vacuum cavities
20 angle is more easily adjusted.
When pulling drawstring 24, universal joint 3 can tense, meanwhile, pulling block 19 can move to the direction of handle 4, and pulling block 19 extrudes
Connection fixing base 18, two movable ends 23 of connection fixing base 18 open, and movable end 23 drives vacuum cavity 20 to open, and realizes
The opening angle of vacuum cavity 20 is adjustable.
In the present embodiment, described universal joint 3 is made up of the universal section of interconnection of first universal section and second, described
First universal section is connected with connector 6, and described second universal section is connected with suction nozzle 2, and described first universal section of diameter is big
In second universal section of diameter.Changeover portion 27 is additionally provided between described first universal section and second universal section；Described first
Universal section is in turn connected to form by the big ball 25 and 26 that sphere diameter is 16 ± 0.05mm of Φ；Described second universal section be by sphere diameter
12.3 ± 0.05mm of Φ bead 28 and bead support 29 is in turn connected to form.Universal joint is 3 second universal sections small, first universal section
Greatly, weight capacity is stronger during tension, simultaneously as second universal section is bead 28, takes up space smaller, there is provided bigger operation
Operating space.
Above-described is only preferred embodiment of the present utility model, all in the range of the spirit and principles of the utility model
All any modification, equivalent and improvement made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of tissue fixator, including grip base, universal joint, handle, described grip base pass through a connection piece and ten thousand
Xiang Jie, handle are connected, and the end of described universal joint is connected with suction nozzle, it is characterised in that described grip base includes base
Body, the sliding block being slidably matched with base body, described base body and sliding block are used to be fixed on provided with what is cooperated
Clamping structure in the fixing device of peripheral hardware, described base body is interior to be provided with the first spring for being used for driving sliding block to slide, institute
Briquetting is provided with the sliding block stated, described briquetting passes through a handle with eccentric shaft and base body extruding contact or separation.
2. tissue fixator according to claim 1, it is characterised in that close to the one side of base body on described briquetting
Provided with multiple racks perpendicular to sliding block glide direction.
3. tissue fixator according to claim 2, it is characterised in that be provided with groove, described pressure in described sliding block
Block is arranged in the groove, is additionally provided with described groove for the second spring with briquetting extruding contact.
4. tissue fixator according to claim 2, it is characterised in that described base body is the base of plastic material
Body, described briquetting are the briquetting of metal material.
5. tissue fixator according to claim 1, it is characterised in that described suction nozzle includes two vacuum cavities, connected
Connection fixed seat, the both ends of described connection fixing base are movable end, and described connection fixing base makes movable end by a pulling block
Open or close, described vacuum cavity is connected on movable end correspondingly, and drawstring is connected with described pulling block.
6. tissue fixator according to claim 5, it is characterised in that described drawstring is adjusted through universal joint with being used for
The elastic handle of drawstring is connected.
7. tissue fixator according to claim 5, it is characterised in that described movable end and vacuum cavity connects by one
Extension bar connects.
8. tissue fixator according to claim 6, it is characterised in that also close in connecting rod for being socketed in including one
Back cover pad.
9. tissue fixator according to claim 1, it is characterised in that described universal joint is by first universal section and second
Universal section is connected with each other composition, and described first universal section is connected with connector, and described second universal section is connected with suction nozzle, institute
First universal section of the diameter stated is more than second universal section of diameter.
10. tissue fixator according to claim 9, it is characterised in that described first universal section and second universal section
Between be additionally provided with changeover portion；
Described first universal section is in turn connected to form by sphere diameter for 16 ± 0.05mm of Φ big ball and big ball support；
Described second universal section is in turn connected to form by the bead and bead support that sphere diameter is 12.3 ± 0.05mm of Φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460315.5U CN206651879U (en) | 2016-12-29 | 2016-12-29 | Tissue fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460315.5U CN206651879U (en) | 2016-12-29 | 2016-12-29 | Tissue fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206651879U true CN206651879U (en) | 2017-11-21 |
Family
ID=60314872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460315.5U Expired - Fee Related CN206651879U (en) | 2016-12-29 | 2016-12-29 | Tissue fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206651879U (en) |
-
2016
- 2016-12-29 CN CN201621460315.5U patent/CN206651879U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |