CN105148401A - Treatment chuck structure for facilitating negative-pressure adsorption - Google Patents
Treatment chuck structure for facilitating negative-pressure adsorption Download PDFInfo
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- CN105148401A CN105148401A CN201510462172.5A CN201510462172A CN105148401A CN 105148401 A CN105148401 A CN 105148401A CN 201510462172 A CN201510462172 A CN 201510462172A CN 105148401 A CN105148401 A CN 105148401A
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Abstract
The invention discloses a treatment chuck structure for facilitating negative-pressure adsorption. The treatment chuck structure comprises a semi-spherical chuck body, and a moisture absorption body is arranged inside the chuck body. The moisture absorption body and the chuck body are connected by a spring, and the moisture absorption body and the chuck body are detachably connected. A negative-pressure airbag is arranged on the chuck body. The negative-pressure airbag is equipped with two one-way valves. The inner cavity of the negative-pressure airbag and the inner cavity of the chuck body are connected by one one-way valve, and the one-way valve allows a medium to flow from the inner cavity of the chuck body to the inner cavity of the negative-pressure airbag. The other one-way valve communicates the inner cavity of the negative-pressure airbag and the outside, and the one-way valve allows a medium to flow from the inner cavity of the negative-pressure airbag to the outside. A heating sheet is arranged inside the chuck body. The treatment chuck structure is simple, can further enhance the treatment and rehabilitation function of a medium-frequency electrotherapy instrument, is especially suitable for family use, and is simple to operate and convenient in wearing comfort adjustment.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind for the treatment of sucker structure being convenient to realize negative-pressure adsorption.
Background technology
Electro-therapeutic apparatus of intermediate frequency based on medium frequency electrotherapy, medium frequency electrotherapy be use the alternating current (comprising sine wave, impulse wave and modulating wave etc.) of 1-100KHz to carry out treating, the method for rehabilitation.Have obvious penetration power over the course for the treatment of based on it strong, be convenient to the effect realizing degree of depth treatment, electro-therapeutic apparatus of intermediate frequency obtains more extensive use in the medical field in recent years.The treatment that electro-therapeutic apparatus of intermediate frequency is good and rehabilitation efficacy may be embodied in analgesia, improve local blood circulation, promote inflammatory resolution, softening cicatrix, the aspects such as loosen adhesion, excitor nerve muscular tissue.
In prior art electro-therapeutic apparatus of intermediate frequency developed into comprise one can storing multiple sets therapeutic scheme, the host main body with human-computer interaction interface and multiple sucker structures of being drawn by host main body, multiple sucker structure is as the wearable device directly acting on different human body individuality and human body different parts above, how to optimize the structure of existing electro-therapeutic apparatus of intermediate frequency further, electro-therapeutic apparatus of intermediate frequency further developing in medical field can be promoted undoubtedly.
Summary of the invention
For the above-mentioned structure how optimizing existing electro-therapeutic apparatus of intermediate frequency further, the problem that further develop of electro-therapeutic apparatus of intermediate frequency in medical field can be promoted undoubtedly, the invention provides a kind for the treatment of sucker structure being convenient to realize negative-pressure adsorption.
For the problems referred to above, a kind for the treatment of sucker structure being convenient to realize negative-pressure adsorption provided by the invention reaches goal of the invention by following technical essential: a kind for the treatment of sucker structure being convenient to realize negative-pressure adsorption, comprise in hemispheric sucker body, also wet absorbent is provided with in described sucker body, described wet absorbent is connected by spring with sucker body, and wet absorbent and sucker body form the relation that removably connects, described sucker body is also provided with negative pressure gasbag, described negative pressure gasbag is provided with two check valves, negative pressure gasbag is connected by a check valve with the inner chamber of sucker body, and this check valve allows medium to flow in the inner chamber of negative pressure gasbag by the inner chamber of sucker body, another check valve is communicated with the inner chamber of negative pressure gasbag with extraneous, and this check valve allows medium to flow to the external world by the inner chamber of negative pressure gasbag, also heating plate is provided with in described sucker body,
Described check valve includes runner, be arranged at the ball sealer in runner and be in the elastic component of compressive state, the runner of two check valves is communicated with the inner chamber of negative pressure gasbag and sucker body respectively, be communicated with negative pressure gasbag inner chamber with extraneous, and in the runner of two check valves, be provided with one section of conical section, one end of elastic component in two check valves is fixed in respective runner, two ball sealers are all clamped between corresponding elastic component and conical section, and when being normal pressure in the inner chamber of negative pressure gasbag, two ball sealers all contact with the sealing realized corresponding runner with the conical section in corresponding runner, be communicated with one end towards sucker body, the less one end of conical section on negative pressure gasbag and sucker body inner chamber runner, be communicated with one end towards negative pressure gasbag, the less one end of negative pressure gasbag inner chamber and the conical section on extraneous runner.
Concrete, the intrinsic wet absorbent of sucker is arranged in the present invention, be convenient to as the liquid medicine carrier of electro-therapeutic apparatus of intermediate frequency in treatment or rehabilitation course, adopt wet absorbent as the version of liquid medicine carrier, be convenient to need when sucker wearing position external application liquid medicine, liquid medicine not with sucker body and human contact's location contacts, be convenient to the negative pressure in maintenance sucker body, so not only reach the object of the group treatment of external application liquid medicine side or rehabilitation, be also beneficial to the steadiness of sucker ontological adsorption theory on human body.The version that wet absorbent removably connects, is convenient to realize the disposable of wet absorbent use or when wet absorbent changed by needs, can change easily.The heating plate arranged is for generation of heat, above heat can not only accelerate wet absorbent medicine-feeding evaporation of water, can make the disperse of liquid medicine steam in the chamber of whole sucker body, above heat also can carry out local heat by human body simultaneously, is conducive to promoting human body to the absorbability of liquid medicine, the blood circulation of activating human body local and the discharge promoting the algogenic substance as buffering; The negative pressure gasbag arranged is as the negative pressure generating device of sucker body, by one of them check valve, the air in negative pressure gasbag is discharged, by another check valve with the air pressure in above-mentioned negative pressure device for power, extract the air within sucker body, reach and make the object of sucker ontological adsorption theory on human body, the alternative negative pressure equipment increasing other on electric therapeutic instrument of above device, is beneficial to the production cost reducing electric therapeutic instrument, makes it to be specially adapted to family and uses.
In the structure of above check valve, described runner is as communicating passage, described conical section and corresponding ball sealer form check valve spool separately, the elastic component arranged is as the prestressing force parts of ball sealer, to realize, when not applying compressive stress to negative pressure gasbag, realizing the sealing of each ball sealer to corresponding runner.The version of above check valve, can make when extruding negative pressure gasbag, the ball sealer between the inner chamber of negative pressure gasbag and the external world moves to the side away from negative pressure gasbag, realizes negative pressure gasbag aerofluxus outwardly; Recover in the process of deformation at negative pressure gasbag, above ball sealer returns to the station realizing sealing under the bullet stress of corresponding elastic component, and another ball sealer realizes can realizing it to the absorption of air in sucker body and stablizing with human body the negative pressure be connected to be formed in sucker body towards a lateral movement of negative pressure gasbag.The check valve of above version, automatically completes the extraction of air in sucker body, can obtain negative pressure easily in sucker body in the process of negative pressure gasbag distortion; Simultaneously, conical section in above two runners, when needs complete sucker body and human body departs from, by adopting the position of finger extruding two ball sealers, two runners are made to produce compared to the larger ellipticity distortion of ball sealer, the air-breathing that non-tight state realizes sucker chamber body is all in make two check valves, be specially adapted to the adjustment to vacuum magnitude in sucker body, be beneficial to the comfort level that the present invention wears, meanwhile, the version of above conical section be convenient to flow channel shape change after recovery.
Further technical scheme is:
The version with installing, being beneficial to wet absorbent thermally equivalent for convenience detach as a kind of wet absorbent, also spring base is provided with in described sucker body, one end of described spring is fixedly connected with spring base, the other end of spring is fixedly connected with screw base, described wet absorbent is connected with screw base by screw, described heating plate is fixed on screw base, and screw base is between heating plate and wet absorbent.Preferably complete wet absorbent and screw base fixing after, screw is relative to wet absorbent outer surface indent.
Be beneficial to as a kind of the version that sucker body wears steadiness, the axial direction of described spring is positioned at the depth direction of sucker body.
As a kind of version being beneficial to sucker body wearing comfort, more than one of described spring, and spring is set in parallel each other.
As the wet absorbent type selecting that a kind of liquid medicine bearing capacity is large, described wet absorbent is sponge.
Be beneficial to as a kind of the version that sucker body wears steadiness, the end face of described sucker body be also provided with tongue-and-groove in the form of a ring.
The present invention has following beneficial effect:
1, structure of the present invention is simple, the intrinsic wet absorbent of sucker is arranged in the present invention, be convenient to as the liquid medicine carrier of electro-therapeutic apparatus of intermediate frequency in treatment or rehabilitation course, adopt wet absorbent as the version of liquid medicine carrier, be convenient to need when sucker wearing position external application liquid medicine, liquid medicine not with sucker body and human contact's location contacts, be convenient to keep the negative pressure in sucker body, so not only reach the object of the group treatment of external application liquid medicine side or rehabilitation, be also beneficial to the steadiness of sucker ontological adsorption theory on human body.The version that wet absorbent removably connects, is convenient to realize the disposable of wet absorbent use or when wet absorbent changed by needs, can change easily.The heating plate arranged is for generation of heat, above heat can not only accelerate wet absorbent medicine-feeding evaporation of water, can make the disperse of liquid medicine steam in the chamber of whole sucker body, above heat also can carry out local heat by human body simultaneously, is conducive to promoting human body to the absorbability of liquid medicine, the blood circulation of activating human body local and the discharge promoting the algogenic substance as buffering; The negative pressure gasbag arranged is as the negative pressure generating device of sucker body, by one of them check valve, the air in negative pressure gasbag is discharged, by another check valve with the air pressure in above-mentioned negative pressure device for power, extract the air within sucker body, reach and make the object of sucker ontological adsorption theory on human body, the alternative negative pressure equipment increasing other on electric therapeutic instrument of above device, is beneficial to the production cost reducing electric therapeutic instrument, makes it to be specially adapted to family and uses.
2, the check valve of above version, automatically completes the extraction of air in sucker body, can obtain negative pressure easily in sucker body in the process of negative pressure gasbag distortion; Simultaneously, conical section in above two runners, when needs complete sucker body and human body departs from, by adopting the position of finger extruding two ball sealers, two runners are made to produce compared to the larger ellipticity distortion of ball sealer, the air-breathing that non-tight state realizes sucker chamber body is all in make two check valves, be specially adapted to the adjustment to vacuum magnitude in sucker body, be beneficial to the comfort level that the present invention wears, meanwhile, the version of above conical section be convenient to flow channel shape change after recovery.
Accompanying drawing explanation
Fig. 1 is a kind of structure top view being convenient to realize a treatment sucker structure specific embodiment of negative-pressure adsorption of the present invention;
Fig. 2 is a kind of structure sectional view being convenient to realize a treatment sucker structure specific embodiment of negative-pressure adsorption of the present invention;
Fig. 3 is the partial enlarged drawing in A portion described in Fig. 2.
Numbering in figure is followed successively by: 1, wet absorbent, and 2, screw base, 3, sucker body, 4, spring base, 5, spring, 6, screw, 7, tongue-and-groove, 8, heating plate, 9, negative pressure gasbag, 10, runner, 11, elastic component, 12, ball sealer.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As shown in Figure 1 to Figure 3, a kind ofly be convenient to the treatment sucker structure realizing negative-pressure adsorption, comprise in hemispheric sucker body 3, wet absorbent 1 is also provided with in described sucker body 3, described wet absorbent 1 is connected by spring 5 with sucker body 3, and wet absorbent 1 and sucker body 3 form the relation that removably connects, described sucker body 3 is also provided with negative pressure gasbag 9, described negative pressure gasbag 9 is provided with two check valves, negative pressure gasbag 9 is connected by a check valve with the inner chamber of sucker body 3, and this check valve allows medium to be flow to by the inner chamber of sucker body 3 in the inner chamber of negative pressure gasbag 9, another check valve is communicated with the inner chamber of negative pressure gasbag 9 with extraneous, and this check valve allows medium to flow to the external world by the inner chamber of negative pressure gasbag 9, heating plate 8 is also provided with in described sucker body 3,
Described check valve includes runner 10, be arranged at the ball sealer 12 in runner 10 and be in the elastic component 11 of compressive state, the runner 10 of two check valves is communicated with the inner chamber of negative pressure gasbag 9 and both sucker bodies 3 respectively, be communicated with negative pressure gasbag 9 inner chamber with extraneous, and be provided with one section of conical section in the runner 10 of two check valves, one end of elastic component 11 in two check valves is fixed in respective runner 10, two ball sealers 12 are all clamped between corresponding elastic component 11 and conical section, and when being normal pressure in the inner chamber of negative pressure gasbag 9, two ball sealers 12 all contact with the sealing realized corresponding runner 10 with the conical section in corresponding runner 10, be communicated with one end towards sucker body 3, the less one end of negative pressure gasbag 9 and the conical section on both sucker bodies 3 inner chamber runner 10, be communicated with one end towards negative pressure gasbag 9, the less one end of negative pressure gasbag 9 inner chamber and the conical section on extraneous runner 10.
The wet absorbent 1 in sucker body 3 is arranged in the present embodiment, be convenient to as the liquid medicine carrier of electro-therapeutic apparatus of intermediate frequency in treatment or rehabilitation course, adopt wet absorbent 1 as the version of liquid medicine carrier, be convenient to need when sucker wearing position external application liquid medicine, liquid medicine not with sucker body 3 and human contact's location contacts, be convenient to keep the negative pressure in sucker body 3, so not only reach the object of the group treatment of external application liquid medicine side or rehabilitation, be also beneficial to sucker body 3 and be adsorbed in steadiness on human body.The version that wet absorbent 1 removably connects, is convenient to realize the disposable of wet absorbent 1 use or when wet absorbent 1 changed by needs, can change easily.The heating plate 8 arranged is for generation of heat, above heat can not only accelerate wet absorbent medicine-feeding evaporation of water, can make the disperse of liquid medicine steam in the chamber of whole sucker body 3, above heat also can carry out local heat by human body simultaneously, is conducive to promoting human body to the absorbability of liquid medicine, the blood circulation of activating human body local and the discharge promoting the algogenic substance as buffering; The negative pressure gasbag 9 arranged is as the negative pressure generating device of sucker body 3, by one of them check valve, the air in negative pressure gasbag 9 is discharged, by another check valve with the air pressure in above-mentioned negative pressure device for power, extract the air within sucker body 3, reach and make sucker body 3 be adsorbed in object on human body, the alternative negative pressure equipment increasing other on electric therapeutic instrument of above device, is beneficial to the production cost reducing electric therapeutic instrument, makes it to be specially adapted to family and uses.
In the structure of above check valve, described runner 10 is as communicating passage, described conical section forms check valve spool separately with corresponding ball sealer 12, the elastic component 11 arranged is as the prestressing force parts of ball sealer 12, to realize when not applying compressive stress to negative pressure gasbag 9, realize the sealing of each ball sealer 12 to corresponding runner 10.The version of above check valve, can make when extruding negative pressure gasbag 9, the ball sealer 12 between the inner chamber of negative pressure gasbag 9 and the external world moves to the side away from negative pressure gasbag 9, realizes negative pressure gasbag 9 aerofluxus outwardly; Recover in the process of deformation at negative pressure gasbag 9, above ball sealer 12 returns to the station realizing sealing under the bullet stress of corresponding elastic component 11, and another ball sealer 12 realizes can realizing it to the absorption of air in sucker body 3 and stablizing with human body the negative pressure be connected to be formed in sucker body 3 towards a lateral movement of negative pressure gasbag 9.The check valve of above version, automatically completes the extraction of air in sucker body 3, can obtain negative pressure easily in sucker body 3 in the process that negative pressure gasbag 9 is out of shape; Simultaneously, conical section in above two runners 10, when needs complete sucker body 3 and human body departs from, by adopting the position of finger extruding two ball sealers 12, two runners 10 are made to produce compared to the larger ellipticity distortion of ball sealer 12, the air-breathing that non-tight state realizes sucker body 3 inner chamber is all in make two check valves, be specially adapted to the adjustment to vacuum magnitude in sucker body 3, be beneficial to the comfort level that the present invention wears, meanwhile, the version of above conical section is convenient to the recovery after runner 10 alteration of form.
In the present embodiment, described heating plate 8 is electrical heating form, the critesistor or arrange a temperature sensor in sucker body 3, like this, so that reach the convenient object controlling temperature in sucker body 3 of simultaneously connecting on the power supply circuits of heating plate 8.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1 to Figure 3, the version with installing, being beneficial to wet absorbent 1 thermally equivalent for convenience detach as a kind of wet absorbent 1, spring base 4 is also provided with in described sucker body 3, one end of described spring 5 is fixedly connected with spring base 4, the other end of spring 5 is fixedly connected with screw base 2, described wet absorbent 1 is connected with screw base 2 by screw 6, described heating plate 8 is fixed on screw base 2, and screw base 2 is between heating plate 8 and wet absorbent 1.Preferably complete wet absorbent 1 fixing with screw base 2 after, screw 6 is relative to wet absorbent 1 outer surface indent.
Be beneficial to as a kind of the version that sucker body 3 wears steadiness, the axial direction of described spring 5 is positioned at the depth direction of sucker body 3.
As a kind of version being beneficial to sucker body 3 wearing comfort, more than one of described spring 5, and spring 5 is set in parallel each other.
As wet absorbent 1 type selecting that a kind of liquid medicine bearing capacity is large, described wet absorbent 1 is sponge.
Be beneficial to as a kind of the version that sucker body 3 wears steadiness, the end face of described sucker body 3 be also provided with tongue-and-groove 7 in the form of a ring.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (6)
1. be convenient to the treatment sucker structure realizing negative-pressure adsorption for one kind, comprise in hemispheric sucker body (3), it is characterized in that, wet absorbent (1) is also provided with in described sucker body (3), described wet absorbent (1) is connected by spring (5) with sucker body (3), and wet absorbent (1) and sucker body (3) form the relation that removably connects, described sucker body (3) is also provided with negative pressure gasbag (9), described negative pressure gasbag (9) is provided with two check valves, negative pressure gasbag (9) is connected by a check valve with the inner chamber of sucker body (3), and this check valve allows medium to flow in the inner chamber of negative pressure gasbag (9) by the inner chamber of sucker body (3), another check valve is communicated with the inner chamber of negative pressure gasbag (9) with extraneous, and this check valve allows medium to flow to the external world by the inner chamber of negative pressure gasbag (9), heating plate (8) is also provided with in described sucker body (3),
Described check valve includes runner (10), be arranged at the ball sealer (12) in runner (10) and be in the elastic component (11) of compressive state, the runner (10) of two check valves is communicated with negative pressure gasbag (9) and sucker body (3) both inner chambers respectively, be communicated with negative pressure gasbag (9) inner chamber with extraneous, and be provided with one section of conical section in the runner of two check valves (10), one end of elastic component (11) in two check valves is fixed in respective runner (10), two ball sealers (12) are all clamped between corresponding elastic component (11) and conical section, and when being normal pressure in the inner chamber of negative pressure gasbag (9), two ball sealers (12) all contact with the sealing realized corresponding runner (10) with the conical section in corresponding runner (10), be communicated with one end towards sucker body (3), the less one end of negative pressure gasbag (9) and the conical section on both inner chamber runners (10) of sucker body (3), be communicated with one end towards negative pressure gasbag (9), the less one end of negative pressure gasbag (9) inner chamber and the conical section on extraneous runner (10).
2. be according to claim 1ly a kind ofly convenient to the treatment sucker structure realizing negative-pressure adsorption, it is characterized in that, spring base (4) is also provided with in described sucker body (3), one end of described spring (5) is fixedly connected with spring base (4), the other end of spring (5) is fixedly connected with screw base (2), described wet absorbent (1) is connected with screw base (2) by screw (6), described heating plate (8) is fixed on screw base (2), and screw base (2) is positioned between heating plate (8) and wet absorbent (1).
3. be according to claim 1ly a kind ofly convenient to the treatment sucker structure realizing negative-pressure adsorption, it is characterized in that, the axial direction of described spring (5) is positioned at the depth direction of sucker body (3).
4. be according to claim 1ly a kind ofly convenient to the treatment sucker structure realizing negative-pressure adsorption, it is characterized in that, more than one of described spring (5), and spring (5) be set in parallel each other.
5. be according to claim 1ly a kind ofly convenient to the treatment sucker structure realizing negative-pressure adsorption, it is characterized in that, described wet absorbent (1) is sponge.
6. be according to claim 1ly a kind ofly convenient to the treatment sucker structure realizing negative-pressure adsorption, it is characterized in that, the end face of described sucker body (3) is also provided with tongue-and-groove (7) in the form of a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462172.5A CN105148401A (en) | 2015-07-31 | 2015-07-31 | Treatment chuck structure for facilitating negative-pressure adsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462172.5A CN105148401A (en) | 2015-07-31 | 2015-07-31 | Treatment chuck structure for facilitating negative-pressure adsorption |
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| Publication Number | Publication Date |
|---|---|
| CN105148401A true CN105148401A (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510462172.5A Pending CN105148401A (en) | 2015-07-31 | 2015-07-31 | Treatment chuck structure for facilitating negative-pressure adsorption |
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| CN (1) | CN105148401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112826600A (en) * | 2021-03-05 | 2021-05-25 | 青岛市妇女儿童医院 | Article that gynaecology and obstetrics's ultrasonic examination used hangs holds device |
| CN114848109A (en) * | 2022-05-07 | 2022-08-05 | 山西省儿童医院(山西省妇幼保健院) | Negative pressure suction type delivery device for obstetrics and gynecology department, delivery system and manufacturing method |
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| CN2633301Y (en) * | 2003-07-16 | 2004-08-18 | 张新日 | Multifunction negative pressure tank therapeutic device |
| CN201279301Y (en) * | 2008-11-04 | 2009-07-29 | 方春 | Cupping light-needle therapeutic equipment |
| CN203802957U (en) * | 2014-03-27 | 2014-09-03 | 张文 | Middle-frequency electrotherapy instrument with adsorption function |
| CN104148563A (en) * | 2014-07-30 | 2014-11-19 | 太仓市顺昌锻造有限公司 | Novel air hammer |
| CN204910495U (en) * | 2015-07-31 | 2015-12-30 | 成都千里电子设备有限公司 | Sucking disc is used in treatment convenient to realization negative pressure is adsorbed |
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2015
- 2015-07-31 CN CN201510462172.5A patent/CN105148401A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319078Y (en) * | 1998-02-05 | 1999-05-19 | 高延林 | Self-sucking electrode of multipurpose treating device |
| CN2633301Y (en) * | 2003-07-16 | 2004-08-18 | 张新日 | Multifunction negative pressure tank therapeutic device |
| CN201279301Y (en) * | 2008-11-04 | 2009-07-29 | 方春 | Cupping light-needle therapeutic equipment |
| CN203802957U (en) * | 2014-03-27 | 2014-09-03 | 张文 | Middle-frequency electrotherapy instrument with adsorption function |
| CN104148563A (en) * | 2014-07-30 | 2014-11-19 | 太仓市顺昌锻造有限公司 | Novel air hammer |
| CN204910495U (en) * | 2015-07-31 | 2015-12-30 | 成都千里电子设备有限公司 | Sucking disc is used in treatment convenient to realization negative pressure is adsorbed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112826600A (en) * | 2021-03-05 | 2021-05-25 | 青岛市妇女儿童医院 | Article that gynaecology and obstetrics's ultrasonic examination used hangs holds device |
| CN114848109A (en) * | 2022-05-07 | 2022-08-05 | 山西省儿童医院(山西省妇幼保健院) | Negative pressure suction type delivery device for obstetrics and gynecology department, delivery system and manufacturing method |
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Application publication date: 20151216 |
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