CN109316223A - A kind of rack-and-pinion refers to root tourniquet - Google Patents
A kind of rack-and-pinion refers to root tourniquet Download PDFInfo
- Publication number
- CN109316223A CN109316223A CN201811353710.7A CN201811353710A CN109316223A CN 109316223 A CN109316223 A CN 109316223A CN 201811353710 A CN201811353710 A CN 201811353710A CN 109316223 A CN109316223 A CN 109316223A
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- tourniquet
- rack
- refers
- root
- gear
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/1322—Tourniquets comprising a flexible encircling member
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (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 discloses a kind of rack-and-pinions to refer to root tourniquet, it includes: in the second band-like tourniquet, and one end of second tourniquet is equipped with locking device, and the other end is equipped with tight lock part；The tight lock part is equipped with rack gear and cooperates with the gear being arranged in locking device；It further include: the first tourniquet, first tourniquet is C-shaped, and both ends are equipped with branch's tourniquet；The interlaced setting of branch's tourniquet at the first tourniquet both ends；The edge of first tourniquet, branch's tourniquet is equipped with chamfering；First tourniquet is made of materials at two layers, and outer layer is made of polyvinyl chloride (PVC), is made with the internal layer of patient contact of nontoxic elastic skin compatible material；The present invention can prevent patient's finger excessive and impaired because tying up pressure while guaranteeing haemostatic effect.It is with locking mechanism as stopping blooding using ratchet mechanism, it is simple and reliable, it can effectively control tightening and release of the tourniquet with body.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of rack-and-pinion refers to root tourniquet.
Background technique
Tourniquet is a kind of medical instrument for hemostasis of meeting an urgent need in surgical operation or first aid, its working principle is that by applying
Plus-pressure vascular compression blocks blood flow to achieve the purpose that hemostasis.Widely used tourniquet mainly includes at present
It is several below: elastic force type, inflation (air bag) formula, girdle type, buckle-type etc..
The elastic force tourniquet clinically used is mostly rubber strip or rubber tube, and narrower width is tied up to wound
When, haemostatic effect is not achieved if binding dynamics is smaller, it will cause soft tissue injuries if seizing force is spent greatly.In addition, using
Elastic force tourniquet cannot accurately control the dynamics tied up, and tie up may result in tissue necrosis for a long time.
It is air bag inflation that (air bag) formula tourniquet, which is inflated, using high-pressure air source, so that vascular compression achievees the purpose that hemostasis.
Since inflation (air bag) formula tourniquet uses additional air charging system, production cost is relatively high, often through weight after disinfection
Multiple utilize reduces use cost, and after deflation, spot can be hidden in airbag wall fold, be may cause disinfection and be not thorough.Inflation
(air bag) formula is stopped blooding, and band structure is complex, and reliability is lower, if air bag gas leakage in use, needs replacing new
Tourniquet will cause secondary blood loss.
Girdle type is similar to fastening-type hemostasis band working principle, oppresses the realization of wound blood vessel by that will extract out with body
Hemostasis, loosens in order to prevent, using lockable mechanisms locking strip bodies such as buckles.The mode of operation of this withdrawal tape body is needed to suffering limb
It is fixed, is likely to result in secondary injury or increases amount of bleeding.The buckle limited amount of fastening-type hemostasis band, cannot be according to hand
The thickness selection of finger properly ties up pressure, may cause that haemostatic effect is undesirable or tissue damage.
Chinese invention patent publication number CN105361920A discloses a kind of air sac hemostatic for hemodialysis procedure
Band uses gas generating device for air bag inflation.In use, exciter is got angry medicine generate bulk gas, pass sequentially through snorkel,
Air bag, is full of by check valve etc. in a short time, so that vascular compression stops blooding.The program is used as using inflammable and explosive drug and is got angry
Medicine has certain risk if may occur to burn or explode transporting, high temperature being encountered in storage, collide；If single
A air bag gas leakage, then be unable to normal haemostasis, and tourniquet failure is caused to be scrapped；The program controls the blowing pressure using pressure limiting valve, but
The blowing pressure, therefore restricted application are not adjusted for the patient of different building shape.
Chinese invention patent publication number CN107397569A discloses a kind of buckle-type and refers to root tourniquet, using buckle and lock
Determine mechanism locking strip body.By pull tourniquet band body, reduces tourniquet main body annular size and stopped blooding with vascular compression, blocked simultaneously
Button is locked with the block tongue piece on locking core, prevents tourniquet from retracting.The program operates relatively complicated when in use, need to suffer from fixed
Withdrawal tape body while person injury；Only with the buckle of negligible amounts, and buckle size is larger, and tourniquet adjustable range is caused to have
Limit, does not adapt to the size that different building shape patient refers to root；Used block tongue and snap lock mechanism are only capable of increasing haemostatic pressure,
Stopping mechanism is not designed, to reduce haemostatic pressure, need to be unclamped block tongue piece, but will lead to tourniquet and unclamp suddenly, be increased bleeding
Amount.
Injury of finger is the most common emergency trauma type in hand and foot surgery diagnosis and treatment range.Emergency treatment and operative doctor are careful
When detecting wound and determining degree of injury, need to control bleeding while open wound.But at present dedicated for finger hemostasis
Tourniquet type it is less, be not able to satisfy actual clinical requirements of one's work.In view of this, the invention patent is dedicated to exploring one kind
For the tourniquet of hand and foot surgery operation or the emergency hemostasis of first aid middle finger root, which can overcome the shortcomings of existing scheme,
It is securely and reliably, applied widely convenient for one-handed performance, it can satisfy the actual needs of clinical position.
Summary of the invention
To overcome the shortcomings of existing tourniquet, the present invention proposes that a kind of rack-and-pinion refers to root tourniquet, simple and reliable for structure,
Convenient for one-handed performance；Haemostatic pressure is adjustable, controllably, can avoid tissue damage while controlling bleeding；It is repeated convenient for disinfection
It uses, reduces use cost, reduce perception probability.
The technical solution that the present invention uses to achieve the above object are as follows:
A kind of rack-and-pinion refers to root tourniquet, it includes: in the second band-like tourniquet, and one end of second tourniquet is equipped with
Locking device, the other end are equipped with tight lock part；It is mutual with the gear that is arranged in locking device that the tight lock part is equipped with rack gear
Cooperation；
Further, it further include: the first tourniquet, first tourniquet is C-shaped, both ends be equipped with branch's tourniquet；
The interlaced setting of branch's tourniquet at the first tourniquet both ends；The side of first tourniquet, branch's tourniquet
Edge is equipped with chamfering；
Further, first tourniquet is made of materials at two layers, and outer layer is made of polyvinyl chloride (PVC), with patient's skin
The internal layer of skin contact is made of nontoxic elastic skin compatible material；
Further, the tight lock part includes the slotted hole that the other end of the second tourniquet is arranged in；The slotted hole
Long axis is identical as the extending direction of the second tourniquet；One side of slotted hole is arranged in the rack gear；
Further, the locking device includes the end that the second tourniquet is arranged in, the guide pad far from tight lock part side,
The guide pad is equipped with guide groove, and the angle between guide groove and the second tourniquet is acute angle；The guide groove with
Second tourniquet is mutually matched；
Further, the top of the guide groove is equipped with cover board；Pawl holding tank is equipped between the guide pad and cover board；
Further, also hinged on the guide pad and cover board that lock shaft is installed；The lock shaft is equipped with and tooth
Pitch wheel；The top of the gear is equipped with ratchet；
Further, pawl is hingedly installed in the pawl holding tank；One end of the pawl and ratchet cooperate；
The other end of the pawl is equipped with handle；The handle stretches out the outside of pawl holding tank；The lock shaft setting
Knob is additionally provided in the end of cover board one end.
The present invention provides a kind of rack-and-pinions to refer to root tourniquet, it includes: in the second band-like tourniquet described second
One end of tourniquet is equipped with locking device, and the other end is equipped with tight lock part；The tight lock part is equipped with rack gear and is locking with setting
Gear in device cooperates；It further include: the first tourniquet, first tourniquet is C-shaped, and both ends are equipped with branch
Tourniquet；The interlaced setting of branch's tourniquet at the first tourniquet both ends；First tourniquet, branch's hemostasis
The edge of band is equipped with chamfering；First tourniquet is made of materials at two layers, and outer layer is made of polyvinyl chloride (PVC), with trouble
The internal layer of person's skin contact is made of nontoxic elastic skin compatible material；The present invention can prevent patient while guaranteeing haemostatic effect
Finger is excessive and impaired because tying up pressure.It is with locking mechanism as stopping blooding using ratchet mechanism, it is simple and reliable, it can effectively control
Tightening and release of the tourniquet with body.
Beneficial effect
It is with locking mechanism as stopping blooding using ratchet mechanism, it is simple and reliable, it can effectively control tightening of the tourniquet with body and pine
It opens.
Using gear and rack teeth mechanism driving tourniquet band body, transmission ratio is accurate, and suitable stop can be selected according to status of patient
Blood pressure power, applied widely, long service life；Gear and rack teeth mechanism bearing capacity is strong, can be realized biggish haemostatic pressure.
It is easy to operate, it is easy to single one-handed performance, can stops blooding in the realization of complex condition.
Stationary bushing is added in tourniquet, can prevent patient skin from crushing in tourniquet band body tightening.
Used material can bear high-temperature disinfection treatment, reusable, reduce use cost.
Detailed description of the invention
Fig. 1 is the perspective view that a kind of rack-and-pinion of the present invention refers to root tourniquet；
Fig. 2 is the exploded view that a kind of rack-and-pinion of the present invention refers to root tourniquet；
Fig. 3 is the perspective view for the first tourniquet that a kind of rack-and-pinion of the present invention refers to root tourniquet.
Specific embodiment
With reference to the accompanying drawing 1 ~ 3 and embodiment the invention will be further described.
A kind of rack-and-pinion refers to root tourniquet, it includes: the first tourniquet 1, the second tourniquet 2, locking device 3；
First tourniquet 1 is C-shaped, and both ends are equipped with branch's tourniquet 11；
The interlaced setting of branch's tourniquet 11 at 1 both ends of the first tourniquet；
The edge of first tourniquet 1, branch's tourniquet 11 is equipped with chamfering；
First tourniquet 1 is made of materials at two layers, and outer layer is made of polyvinyl chloride (PVC), with patient contact's
Internal layer is made of nontoxic elastic skin compatible material；
One end of second tourniquet 2 is equipped with locking device 3；
The other end of second tourniquet 2 is equipped with tight lock part 21 in band-like；
The tight lock part 21 includes the slotted hole 211 that the other end of the second tourniquet 2 is arranged in；
The long axis of the slotted hole 211 is identical as the extending direction of the second tourniquet 2；
The slotted hole 211 is equipped with rack gear 212 on one side；
The locking device 3 includes guide pad 31, cover board 32, pawl 33, lock shaft 34；
The end of the second tourniquet 2 is arranged in the guide pad 31, the side far from tight lock part 21；
The guide pad 31 is equipped with guide groove 311, and the angle between guide groove 311 and the second tourniquet 2 is acute angle；
The guide groove 311 is mutually matched with the second tourniquet 2；
The top of guide groove 311 is arranged in the cover board 32；
The lock shaft 34 is hingedly mounted on guide pad 31 and cover board 32；
The lock shaft 34 is equipped with and 212 pitch wheel 341 of rack gear；
The top of the gear 341 is equipped with ratchet 342；
Pawl holding tank 331 is equipped between the guide pad 31 and cover board 32；
The pawl 33 is hingedly mounted in pawl holding tank 331；
One end of the pawl 33 and ratchet 342 cooperate；
The other end of the pawl 33 is equipped with handle 332；
The handle 332 stretches out the outside of pawl holding tank 331；
The end that 32 one end of cover board is arranged in the lock shaft 34 is additionally provided with knob 35.
In use, first covering the first tourniquet on injured finger, the second tourniquet is equipped with one end of slotted hole 211
Be inserted into the guide groove 311 of locking device 3, the gear 341 on rack gear 212 and lock shaft 34 is intermeshed, gear 341 it is upper
The ratchet 342 in portion and one end of the pawl 33 inside pawl holding tank 331 cooperate；Second tourniquet is set in first to stop
After on blood band, the second tourniquet is tensed, then lock shaft 34 is lockked using the pawl 33 inside pawl holding tank 331, that is, completes
Locking.
The present invention can prevent patient's finger excessive and impaired because tying up pressure while guaranteeing haemostatic effect.
It is with locking mechanism as stopping blooding using ratchet mechanism, it is simple and reliable, it can effectively control tightening of the tourniquet with body
With release.
Using gear and rack teeth mechanism driving tourniquet band body, transmission ratio is accurate, and suitable stop can be selected according to status of patient
Blood pressure power, it is applied widely；Gear and rack teeth mechanism bearing capacity is strong, can be realized biggish haemostatic pressure；Nylon material density
It is low, wearability is good, using nylon material make rack-and-pinion, can reduce quality, at the same guarantee gear and rack teeth mechanism use the longevity
Life.
Second tourniquet outer layer is polyvinyl chloride (PVC), and internal layer is nontoxic elastic skin compatible material.7 internal layer of stationary bushing with
Patient contact plays fixed drive mechanism, while can prevent patient skin from crushing when tourniquet band body 6 is tightened.
In use, tourniquet is placed on injured finger root, knob is rotated, knob is rotated by locking shaft driven gear,
Rack gear gear motion on gear and the first tourniquet makes tourniquet tightening vascular compression hemostasis；When needing to unclamp tourniquet,
Pawl is pushed aside, knob is rotated backward and unclamps the first tourniquet, reduce haemostatic pressure, until being totally released tourniquet.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (8)
1. a kind of rack-and-pinion refers to root tourniquet, it is characterised in that: it includes: to stop in the second band-like tourniquet, described second
One end of blood band is equipped with locking device, and the other end is equipped with tight lock part；The tight lock part is equipped with rack gear and setting and fills in locking
Gear in setting cooperates.
2. a kind of rack-and-pinion according to claim 1 refers to root tourniquet, it is characterised in that: it further include: the first tourniquet,
First tourniquet (1) is C-shaped, and both ends are equipped with branch's tourniquet (11)；Point at described the first tourniquet (1) both ends
Branch tourniquet (11) interlaced setting；The edge of first tourniquet (1), branch's tourniquet (11) is equipped with chamfering.
3. a kind of rack-and-pinion according to claim 2 refers to root tourniquet, it is characterised in that: first tourniquet (1)
It is made of materials at two layers, outer layer is made of polyvinyl chloride (PVC), and the internal layer with patient contact is by nontoxic elastic skin compatible material
It is made.
4. a kind of rack-and-pinion according to claim 3 refers to root tourniquet, it is characterised in that: the tight lock part (21) includes
Slotted hole (211) in the other end of the second tourniquet (2) is set；The long axis of the slotted hole (211) and the second hemostasis
The extending direction of band (2) is identical；The one side of rack gear (212) setting in slotted hole (211).
5. a kind of rack-and-pinion according to claim 4 refers to root tourniquet, it is characterised in that: locking device (3) packet
Setting is included in the end of the second tourniquet (2), the guide pad (31) far from tight lock part (21) side, on the guide pad (31)
Equipped with guide groove (311), the angle between guide groove (311) and the second tourniquet (2) is acute angle；The guide groove (311)
Be mutually matched with the second tourniquet (2).
6. a kind of rack-and-pinion according to claim 5 refers to root tourniquet, it is characterised in that: the guide groove (311)
Top is equipped with cover board (32)；Pawl holding tank (331) are equipped between the guide pad (31) and cover board (32).
7. a kind of rack-and-pinion according to claim 6 refers to root tourniquet, it is characterised in that: the guide pad (31) and lid
It is also hinged on plate (32) that lock shaft (34) are installed；The lock shaft (34) is equipped with intermeshing with rack gear (212)
Gear (341)；The top of the gear (341) is equipped with ratchet (342).
8. a kind of rack-and-pinion according to claim 7 refers to root tourniquet, it is characterised in that: the pawl holding tank
(331) pawl (33) are hingedly installed in；One end and ratchet (342) of the pawl (33) cooperate；The pawl
(33) the other end is equipped with handle (332)；The handle (332) stretches out the outside of pawl holding tank (331)；The lock
Mandrel (34), which is arranged, is additionally provided with knob (35) in the end of cover board (32) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353710.7A CN109316223A (en) | 2018-11-14 | 2018-11-14 | A kind of rack-and-pinion refers to root tourniquet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353710.7A CN109316223A (en) | 2018-11-14 | 2018-11-14 | A kind of rack-and-pinion refers to root tourniquet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109316223A true CN109316223A (en) | 2019-02-12 |
Family
ID=65257600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811353710.7A Pending CN109316223A (en) | 2018-11-14 | 2018-11-14 | A kind of rack-and-pinion refers to root tourniquet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109316223A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559039A (en) * | 2019-08-20 | 2019-12-13 | 吉林大学第一医院 | middle-aged and old is with quick ligature pressure arteries and veins area |
| CN110680448A (en) * | 2019-11-18 | 2020-01-14 | 常州市第一人民医院 | Fingerstall with aseptic pressing function |
| CN112451033A (en) * | 2020-12-07 | 2021-03-09 | 中国人民解放军陆军特色医学中心 | Groin hemostasis device |
| CN113116451A (en) * | 2021-05-28 | 2021-07-16 | 中国人民解放军空军军医大学 | Novel tourniquet with single self-locking function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130084930A (en) * | 2012-01-18 | 2013-07-26 | 강원대학교산학협력단 | Tourniquet system |
| CN204995532U (en) * | 2015-09-29 | 2016-01-27 | 肖钟林 | Modular self -locking pressurization hemostasis device |
| CN105286943A (en) * | 2015-09-11 | 2016-02-03 | 中国人民解放军南京军区福州总医院 | Electric automatic tourniquet system |
| CN205126338U (en) * | 2015-10-10 | 2016-04-06 | 宁德市闽东医院 | Indicate root tourniquet |
| TWM531247U (en) * | 2016-07-06 | 2016-11-01 | Univ Central Taiwan Sci & Tech | Fine-tuning type tourniquet |
-
2018
- 2018-11-14 CN CN201811353710.7A patent/CN109316223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130084930A (en) * | 2012-01-18 | 2013-07-26 | 강원대학교산학협력단 | Tourniquet system |
| CN105286943A (en) * | 2015-09-11 | 2016-02-03 | 中国人民解放军南京军区福州总医院 | Electric automatic tourniquet system |
| CN204995532U (en) * | 2015-09-29 | 2016-01-27 | 肖钟林 | Modular self -locking pressurization hemostasis device |
| CN205126338U (en) * | 2015-10-10 | 2016-04-06 | 宁德市闽东医院 | Indicate root tourniquet |
| TWM531247U (en) * | 2016-07-06 | 2016-11-01 | Univ Central Taiwan Sci & Tech | Fine-tuning type tourniquet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559039A (en) * | 2019-08-20 | 2019-12-13 | 吉林大学第一医院 | middle-aged and old is with quick ligature pressure arteries and veins area |
| CN110680448A (en) * | 2019-11-18 | 2020-01-14 | 常州市第一人民医院 | Fingerstall with aseptic pressing function |
| CN112451033A (en) * | 2020-12-07 | 2021-03-09 | 中国人民解放军陆军特色医学中心 | Groin hemostasis device |
| CN113116451A (en) * | 2021-05-28 | 2021-07-16 | 中国人民解放军空军军医大学 | Novel tourniquet with single self-locking function |
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