CN108310479A - A kind of small-sized machine formula negative pressure equipment - Google Patents
A kind of small-sized machine formula negative pressure equipment Download PDFInfo
- Publication number
- CN108310479A CN108310479A CN201810120293.5A CN201810120293A CN108310479A CN 108310479 A CN108310479 A CN 108310479A CN 201810120293 A CN201810120293 A CN 201810120293A CN 108310479 A CN108310479 A CN 108310479A
- Authority
- CN
- China
- Prior art keywords
- piston
- cavity
- negative pressure
- pressure equipment
- small
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention relates to a kind of small-sized machine formula negative pressure equipments, include the cavity of small-sized machine formula negative pressure equipment, and the small-sized machine formula negative pressure equipment further includes：Push rod and the piston for being set to described push rod one end and being located in the cavity, the push rod are used to the piston pushing to the second position；The plunger lock switch being arranged outside cavity；The elastomeric element being connect with the piston, for the piston to be moved to first position from the second position；The cavity upper end is arranged with two first pulleys, and the piston is equipped with second pulley；Cavity lower end is fixed at the elastomeric element both ends, and the elastomeric element bypasses first pulley and second pulley in M types.The negative pressure equipment elastomeric element that the embodiment of the present invention provides is in the setting of M types, then under the premise of ensuring to piston effect power, substantially reduces the length of equipment, the volume of diminution is easy to carry.
Description
Technical field
The present invention relates to field of medical technology more particularly to a kind of small-sized machine formula negative pressure equipments.
Background technology
Negative pressure wound surface therapeutic equipment is mainly attraction source using negative pressure, and the mode for carrying out continuous schedule or discontinuous attraction is inhaled
Hydrops around the surface of a wound is taken, hydrops (diffusate) is stored into fluid reservoir, is had so as to effectively increase wound blood flow
Conducive to reduction tissue edema and promote wound healing.Treatment four limbs soft tissue contusion, diabetes and carbuncle, depth pressure sore,
Ulcer, skin-grafting shaping etc. tool have a better effect.
Currently, negative pressure equipment is mostly battery powered pumps to provide negative pressure.But these pumps is expensive, and need
Charging is safeguarded to ensure the electric power of battery.But due to the quality requirement of present battery technology and negative pressure equipment so that electricity
The treatment time of dynamic negative pressure equipment cannot ensure, and for inconvenient place of much charging, such as field or disaster relief,
This Electric negative pressure equipment can not be applied.So in this case, needing to use mechanical negative pressure equipment.It is mechanical in the prior art
The compress mode of formula negative pressure equipment does not comply with ergonomic designs usually, uses arduously, so that negative pressure source provides
Negative pressure is unable to held stationary with persistently, is unfavorable for treating, and existing negative pressure equipment volume is larger, not readily portable.
Invention content
The technical solution adopted by the present invention to solve the technical problems is：A kind of small-sized machine formula negative pressure equipment, including it is small
The cavity of the mechanical negative pressure equipment of type, which is characterized in that the small-sized machine formula negative pressure equipment further includes：
Push rod and the piston for being set to described push rod one end and being located in the cavity, the push rod are used for the piston
Push to the second position；
The plunger lock switch being arranged outside cavity, for the piston to be fixed on the second position；
The elastomeric element being connect with the piston, for the piston to be moved to first position from the second position,
So that the piston generates the negative pressure for wound fluid at suction wound dressing in moving process；
The cavity upper end is arranged with two first pulleys, and the piston is equipped with second pulley；
Cavity lower end is fixed at the elastomeric element both ends, and the elastomeric element bypasses first pulley and second in M types
Pulley.
It is the rotary type fastener that is arranged at the top of cavity to be further improved as, plunger lock switch, and described is pushed away
Bar is equipped with the card slot to match with fastener.
It is further improved as the plunger lock switch is the pipe valve being arranged at the delivery pipe of the cavity bottom end.
It is the card slot that is arranged on the cavity wall to be further improved as, plunger lock switch, on the piston
Equipped with the fixture block coordinated with the card slot.
It is further improved as the elastomeric element is Nian Jie, welding, spiral shell with the connection type of the piston and the cavity
Silk is tightened, bolt is fixed, be socketed or hanging buckle connects.
It is further improved as the elastomeric element is spring, rubber tube, rubber band or elastic string.
The beneficial effects of the invention are as follows：
1, the negative pressure equipment elastomeric element that the embodiment of the present invention provides is arranged in M types, then ensures to piston effect power
Under the premise of, the length of equipment is substantially reduced, the volume of diminution is easy to carry.
2, the negative pressure equipment that the embodiment of the present invention provides generates that negative-pressure operation is simple, and negative pressure mouth and exhaust outlet share same
Pipeline uses the elastic deformation of elastomeric element to generate negative-pressure ward wound fluid so that the processing of mechanical negative pressure equipment
Technique is simpler, production cost is lower.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of small-sized machine formula negative pressure equipment structural schematic diagram of the present invention；
Fig. 2 be the present invention negative pressure equipment in plunger lock switch structure diagram.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
In the description of invention, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Description invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as the limitation to invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of invention, the meaning of " plurality " is two or more, remove
It is non-separately to have clearly specific restriction.
In invention unless specifically defined or limited otherwise, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be machinery
Connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two elements
Internal connection.For the ordinary skill in the art, it can understand above-mentioned term in invention as the case may be
Concrete meaning.
As shown in Figure 1, Fig. 1 shows a kind of structural representation Fig. 1 of mechanical negative pressure equipment provided by the invention, it should
Mechanically negative pressure equipment 100 includes：The cavity 110 of mechanical negative pressure equipment；Push rod 121 and it is set to 121 one end of the push rod
And the piston 120 in the cavity 110, the push rod 121 are used to the piston 120 pushing to the second position；Setting
Plunger lock switch 140 outside cavity 110, for the piston 120 to be fixed on the second position；With the piston
The elastomeric element 130 of 120 connections, for the piston 120 to be moved to first position from the second position, so that the work
Plug 120 generates the negative pressure for wound fluid at suction wound dressing in moving process.
In the present embodiment, cavity 110 is the structure of a syringe-like, and the top of cavity 110 is equipped with a through-hole 111, this is logical
The permissible push rod 121 for pushing piston 120 in hole 111 passes through.Piston 120 is arranged in the cavity 110 of syringe-like, and push rod 121 is worn
Crossing the through-hole 111 pushes axial direction of the piston 120 along cavity 110 in cavity 110 to move, specifically, by cavity 110
Top to bottom end move, further, from first position to the second position move.In preferred embodiment, first position
111 position of through-hole of push rod 121 is placed close to cavity 100 positioned at cavity 100, the second position is close to one end of delivery pipe.For
Facilitate observation, cavity 110 may be provided with partially transparent region or the entirety of cavity 110 is made of clear material.Separately
Outside, the volume of the cavity 110 of the mechanical negative pressure equipment of syringe-like in the present embodiment is 80-150ml, it is preferred that is
125ml。
Wherein, piston 120 is movably disposed in cavity 110, and gas does not allow to pass through work from one end of cavity 110
Plug 120 arrives the other end of cavity 110.The bottom end of piston 120 is made of the material with elasticity and leakproofness, such as flexible polymer
Object can be such that piston 120 is moved in cavity 110 and keep gas-tight seal between 110 side wall of cavity.Wherein, push rod
121 are integrally formed with piston 120；Or, push rod 121 can be directly connected to piston 120；Or, push rod 121 is not direct with piston 120
Connection." being directly connected to " herein can be welding, screw tightening, gluing, bolt is fixed or dismountable modes such as hasp connect
It connects；" being not directly connected " herein refers to push rod 121 and piston 120 is two independent parts, one end of push rod 121 and piston
120 tip contact, for piston 120 to be pushed to the second position.It should be noted that above-mentioned first position and second
It is non-limiting position to set, any position that first position and the second position all can be in the cavitys 110, according to negative pressure
Treatment needs to select the distance of the second position and first position apart from 110 bottom end of cavity, still, the first position distance
110 top of cavity is close, and the second position is remote apart from 110 top of cavity.In preferred embodiment, first position is probably located at chamber
Body 100 places the aperture position of push rod 121 close to cavity 100, and the second position is close to one end of delivery pipe 150.That is, from piston
120 are moved to the second position to be moved to bottom end from the top of cavity 110 from first position.
Mechanical negative pressure equipment 100 further includes the plunger lock switch 140 being arranged outside cavity 110, is used for the work
Plug 120 is fixed on the second position.
In the present embodiment, the plunger lock switch 140 is the rotary type fastener being arranged at the top of cavity, and described
Push rod 121 is equipped with the card slot to match with fastener.
In this implementation, 130 one end of elastomeric element and the base wall outside the cavity 110, the other end pass through the cavity 110
Top connect with 120 upper end of the piston.Preferably, the upper end of the cavity 110 can be equipped with first pulley 112, elastic portion
Part 130 is connected to 120 upper end of piston around the first pulley 112 of 110 upper end of cavity.In other examples, elastomeric element
130 one end are set to the bottom of the side of the cavity 110, and the other end is fixed on the cavity 110 across the piston 120
The other side bottom.In other examples, the top of the cavity 110 is equipped with first pulley 112, the piston 120
It is equipped with second pulley 122,130 one end of elastomeric element is set to the bottom of the side of the cavity 110, and the other end leads to successively
Cross the first pulley 112 of the 110 top other side of first pulley 112, second pulley 122 and cavity of 110 top side of cavity
It is fixed on the bottom of 110 other side of the cavity.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. a kind of small-sized machine formula negative pressure equipment includes the cavity of small-sized machine formula negative pressure equipment, which is characterized in that described small-sized
Mechanically negative pressure equipment further includes：
Push rod and the piston for being set to described push rod one end and being located in the cavity, the push rod is for pushing the piston
To the second position；
The plunger lock switch being arranged outside cavity, for the piston to be fixed on the second position；
The elastomeric element being connect with the piston, for the piston to be moved to first position from the second position, so that
The piston generates the negative pressure for wound fluid at suction wound dressing in moving process；
The cavity upper end is arranged with two first pulleys, and the piston is equipped with second pulley；
Cavity lower end is fixed at the elastomeric element both ends, and the elastomeric element bypasses first pulley and second pulley in M types.
2. small-sized machine formula negative pressure equipment as described in claim 1, which is characterized in that the plunger lock switch exists for setting
Rotary type fastener at the top of cavity, and the push rod is equipped with the card slot to match with fastener.
3. small-sized machine formula negative pressure equipment as described in claim 1, which is characterized in that the plunger lock switch exists for setting
Pipe valve at the delivery pipe of the cavity bottom end.
4. small-sized machine formula negative pressure equipment as described in claim 1, which is characterized in that the plunger lock switch exists for setting
Card slot on the cavity wall, the piston are equipped with the fixture block coordinated with the card slot.
5. such as Claims 1-4 any one of them small-sized machine formula negative pressure equipment, which is characterized in that the elastomeric element with
The connection type of the piston and the cavity is that bonding, welding, screw tightening, bolt are fixed, are socketed or hanging buckle connects.
6. the small-sized machine formula negative pressure equipment as described in claim 1 or 5, which is characterized in that the elastomeric element is spring, rubber
Leather hose, rubber band or elastic string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810120293.5A CN108310479A (en) | 2018-02-07 | 2018-02-07 | A kind of small-sized machine formula negative pressure equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810120293.5A CN108310479A (en) | 2018-02-07 | 2018-02-07 | A kind of small-sized machine formula negative pressure equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108310479A true CN108310479A (en) | 2018-07-24 |
Family
ID=62902034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810120293.5A Pending CN108310479A (en) | 2018-02-07 | 2018-02-07 | A kind of small-sized machine formula negative pressure equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108310479A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600464A (en) * | 2006-10-17 | 2009-12-09 | 蓝天医疗集团有限公司 | Auxiliary powered negative pressure wound therapy apparatuses and method |
| WO2014160613A1 (en) * | 2013-03-29 | 2014-10-02 | Silk Road Medical, Inc, | Systems and methods for aspirating from a body lumen |
| US20160175497A1 (en) * | 2006-09-28 | 2016-06-23 | Smith & Nephew, Inc. | Portable wound therapy system |
| CN105833363A (en) * | 2016-03-18 | 2016-08-10 | 昆山韦睿医疗科技有限公司 | Mechanical negative pressure device and negative pressure generating method thereof |
-
2018
- 2018-02-07 CN CN201810120293.5A patent/CN108310479A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160175497A1 (en) * | 2006-09-28 | 2016-06-23 | Smith & Nephew, Inc. | Portable wound therapy system |
| CN101600464A (en) * | 2006-10-17 | 2009-12-09 | 蓝天医疗集团有限公司 | Auxiliary powered negative pressure wound therapy apparatuses and method |
| WO2014160613A1 (en) * | 2013-03-29 | 2014-10-02 | Silk Road Medical, Inc, | Systems and methods for aspirating from a body lumen |
| CN105833363A (en) * | 2016-03-18 | 2016-08-10 | 昆山韦睿医疗科技有限公司 | Mechanical negative pressure device and negative pressure generating method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3880133D1 (en) | GAS INSUFFLATION SYSTEM FOR ENDOSCOPY AND ENDOSCOPE DAFUER. | |
| DE60325624D1 (en) | DEVICE FOR THE SUBCUTANEOUS ADMINISTRATION OF A MEDICAMENT TO A PATIENT | |
| MXPA04001505A (en) | Elongated syringe. | |
| ATE549046T1 (en) | DEVICE FOR WOUND TREATMENT | |
| CN208301707U (en) | A kind of cardiothoracic surgery drainage puncture positioning device | |
| WO2005110300A3 (en) | Surgical handpiece with quick-connection for irrigation and aspiration tubes | |
| CN108310479A (en) | A kind of small-sized machine formula negative pressure equipment | |
| CN205649676U (en) | Mechanical type negative pressure equipment | |
| CN211383016U (en) | Intestines and stomach pressure relief device | |
| CN105662808A (en) | Upper limb massager after breast cancer operation | |
| GB0204117D0 (en) | Breathing device | |
| CN204684291U (en) | A kind of Portable chest surgery thoracic duction instrument | |
| CN108175876B (en) | Mammary gland drainage cleaning therapeutic instrument | |
| CN204500839U (en) | The inserted tourniquet bandage of hemodialysis | |
| CN209172437U (en) | A kind of automatic looping and binding device with elastic thread | |
| CN208693383U (en) | A kind of automatic looping and binding device of rotary-out type | |
| CN105833363A (en) | Mechanical negative pressure device and negative pressure generating method thereof | |
| CN104857581A (en) | Portable thoracic surgery chest drainage device | |
| CN207492934U (en) | A kind of Medical Devices of intelligent control | |
| CN219184389U (en) | Quick fixing device of open-air first aid | |
| CN202478114U (en) | Upper limb negative pressure therapeutic apparatus | |
| CN205268391U (en) | Manual negative pressure wound therapy equipment | |
| CN217488789U (en) | Auxiliary fixing device for percutaneous puncture operation | |
| CN204468895U (en) | A kind of anesthetic syringe | |
| CN205494347U (en) | Male sex organ health care negative pressure massage physical therapy equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |