CN112494094A - Negative pressure uterine cavity packing hemostasis device - Google Patents
Negative pressure uterine cavity packing hemostasis device Download PDFInfo
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- CN112494094A CN112494094A CN202011529213.5A CN202011529213A CN112494094A CN 112494094 A CN112494094 A CN 112494094A CN 202011529213 A CN202011529213 A CN 202011529213A CN 112494094 A CN112494094 A CN 112494094A
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- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
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- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
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- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12159—Solid plugs; being solid before insertion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
本发明属于医疗器械领域，具体涉及一种负压宫腔填塞止血装置，包括插管本体，相通连接于所述插管本体前端的吸引头，套设于所述插管本体外的囊体，以及连接所述囊体用于向囊体内充气或充液的充气管；所述吸引头位于所述囊体的前方，所述吸引头上设有多个连通所述吸引头内腔的吸引孔。本申请操作方便，改变了传统的填塞配合宫缩针的止血方式，而是完全符合物理和生理上宫缩的原理将子宫内腔通过负压吸引进行收缩从而尽快达到更好的直接的宫缩效果，大大提高了止血效果。
The invention belongs to the field of medical devices, and in particular relates to a negative pressure uterine cavity packing hemostasis device, comprising an intubation body, a suction head connected to the front end of the intubation main body, and a balloon sleeved on the outside of the intubation main body, and an inflatable tube connected to the bag body for inflating or filling liquid into the bag body; the suction head is located in front of the bag body, and the suction head is provided with a plurality of suction holes communicating with the inner cavity of the suction head . The application is easy to operate, and changes the traditional hemostasis method of packing with uterine contraction needles, but fully conforms to the principle of physical and physiological uterine contractions. The uterine cavity is contracted through negative pressure suction to achieve better and direct uterine contractions as soon as possible. effect, greatly improving the hemostatic effect.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a negative-pressure uterine cavity stuffing hemostasis device.
Background
Postpartum hemorrhage is the leading cause of death of puerpera worldwide, and the existing treatment method mainly adopts a water sac or a gauze for compression hemostasis on one side and a uterine contraction needle on the other side to promote uterine cavity contraction to achieve physiological real accelerated hemostasis. Because the water sac or the gauze seems to be more intuitive to press for hemostasis, the gravity of the pressed bleeding position is difficult to shrink in practice due to the pressing of the bleeding opening, and the blood coagulation hemostasis speed is slow even if the uterine contraction needle is used, and the hemostasis effect is not good particularly for patients with the relaxed uterus.
Disclosure of Invention
The invention aims to provide a negative pressure uterine cavity filling hemostasis device aiming at the problems.
The technical purpose of the invention is realized by the following technical scheme:
a negative pressure uterine cavity filling hemostasis device comprises an intubation body, a suction head communicated and connected with the front end of the intubation body, a bag body sleeved outside a connecting area of the intubation body and the suction head, and an inflation tube connected with the bag body and used for inflating or filling air into the bag body; the suction head is positioned at the front side of the capsule body, a plurality of suction holes communicated with the inner cavity of the suction head are arranged on the suction head, the suction head and the intubation tube body are integrally communicated and connected through straight tubes or bent tubes bent at least at the position corresponding to the capsule body, and the suction head is a strip-tube-shaped suction head.
This application is when using, insert this application earlier and target in place, even attract the head to be located the palace intracavity, the utricule is located the endocervical mouth (the cervix is close to uterus one end promptly), intubate body rear end is outside the cervix, insert and target in place the back through some aerating device that have now and aerify or liquid in to the utricule, thereby treat the utricule and fill the back realization to the shutoff of cervix, thereby make the palace chamber become a confined space, then be connected to the back port of intubate body through current negative pressure suction device, it makes the palace chamber become a negative pressure chamber to inhale liquid and blood in the palace chamber through intubate body and attraction head, make palace chamber wall shrink from physics, oppress each other between the uterus wall, realize the high-efficient shrink of uterus, thereby reach fine blood coagulation hemostasis effect, even if do not play the reality that the uterus contracts the needle.
The intubation tube body and the suction head with the structure are convenient to process and low in cost. The strip-shaped suction head can easily enter the uterus, and has better effect of contracting the uterus due to the plurality of suction holes in the length direction when the negative pressure suction is started; thereby avoiding the situation that the suction holes concentrated on a small area can cause the uterine cavity wall to be quickly pressed and blocked on the suction holes, and other areas of the uterine cavity are not contracted.
The straight pipe or the bent pipe is designed so as to meet the requirements of different operations, different postures of patients or individual differences of the uterus of the patients, so that the straight pipe or the bent pipe can be selected.
Preferably, a shaping tube is sleeved outside a connecting area between the suction head and the intubation tube body, the shaping tube is a hard strip tube or a gooseneck tube, and the balloon body is sleeved outside the shaping tube or on one side of the shaping tube.
The intubation body and the suction head can be made of safer silica gel materials, the strength and the thickness can be realized only by ensuring that the negative pressure suction process is not bent and the channel is smooth, the channel can be narrowed due to the squeezing of the suction head and the intubation body to the water sac, and in addition, the situation that the air supply is not smooth due to the bending of the connection part by overlarge force can also occur, so a hard strip pipe or a gooseneck pipe is sleeved on the connection area to enhance the strength of the area, the effective work of the device is ensured, the hard strip pipe can be a straight pipe or a bent pipe, the operation requirement is met, but for the lying-in women, the upper body is mostly laid down, and the thighs are arched, so the hard strip pipe can be bent to form a certain included angle between the intubation body and the suction head so as to facilitate the operation, and the design of the shaping pipe not only enhances the strength of the area, meanwhile, the processing of the intubation tube body and the suction head is facilitated, the intubation tube body and the suction head can be directly designed into a right angle, and the required angle can be achieved as long as the shaping tube is sleeved in the intubation tube body. If the shaping tube adopts the gooseneck, the included angle between the intubation tube body and the suction head can be changed by bending the gooseneck, and the intubation tube can be folded to a plurality of angles so as to be suitable for the bodies of different lying-in women or different states of the same lying-in woman. In other words, the number of the hard strip pipes can be multiple, and each hard strip pipe is designed into a different angle and can be selected optionally.
Preferably, the angle between the suction head and the axial direction of the cannula body in the natural state is less than 170 degrees and more than 90 degrees.
Through the design of the angle, the device is more in line with the design of human engineering, the suction head entering the uterus is positioned in the center of the uterus as much as possible, so that the contraction stress of the uterine wall is more uniform during negative pressure suction, the uterine walls are uniformly extruded with each other, the whole uterine wall is uniformly contracted together, a better uterine contraction effect is achieved, the suction holes can also fully play a role, and the suction head is not easy to cling to the uterine wall just at the beginning of negative pressure.
Preferably, the sac body is an annular sac body sleeved outside the intubation body, an embedded groove is formed in the intubation body along the length direction of the intubation body, the middle part and the front part of the inflation tube are embedded in the embedded groove, and the rear end of the inflation tube extends out of the intubation body and is used for being connected with an inflation or liquid filling device.
The annular sac body has good sealing effect on the cervical internal orifice, is beneficial to the uterine cavity to contract quickly under negative pressure, and improves the hemostasis efficiency.
Preferably, the front side and the rear side of the capsule body are respectively provided with a shaping limiting lantern ring, the connecting area of the intubation tube body and the suction head is provided with an annular limiting groove, and the shaping limiting lantern ring and the capsule body are sleeved on the annular limiting groove.
Annular spacing groove sets up on the corner of intubate body and suction head, the installation of the utricule of being convenient for on the one hand, and on the other hand can conveniently fix a position the utricule high-efficiently again. Ensuring the sealing effect of the cervical internal orifice. The inner ring part of the capsule body can be adhered to the cannula body.
The arrangement of the shaping limit lantern ring ensures that the capsule body with limited volume can be effectively blocked at a required position, and meanwhile, the capsule body is not easy to excessively extend along the axial direction of the intubation body under the pressure of the cervical wall, so that the cervical orifice can be blocked efficiently and reliably. In addition, after the fixing limiting lantern ring is matched with the sac body, the fixing limiting lantern ring can block an inner ring hole of the sac body, which is contacted with the inner part of the intubation body, the sac body can be fixedly connected with the intubation body or simply sleeved, when the sac body is simply sleeved on the intubation body, the fixing limiting lantern ring is equivalent to a sealing ring with an inner ring hole of the sac body respectively arranged at two ends of the fixing limiting lantern ring, and the sealing performance of the cervix is further improved.
Preferably, a plurality of suction holes are uniformly distributed on the tube wall of the suction head, the front end of the suction head is a blocked blind end, an arc-shaped leading-in surface is arranged on the outer end surface of the suction head, and the edge of the suction head is excessively connected with the outer wall of the suction head tube through an arc.
The arc-shaped leading-in surface is safer and more convenient to insert, and the organization mechanism can not be blocked on the port.
Preferably, a plurality of bulges which are bulged in an arc shape are uniformly distributed on the edge area of the suction head corresponding to each suction hole, and the suction holes are positioned in the center positions among the corresponding bulges.
The effect of the bulge makes the periphery of each suction hole have a structure of the bulge strut, so that the suction holes are not easy to be blocked before the uterine contraction state required is not reached in the negative pressure suction process, the bulge can strut the sucked uterine wall, meanwhile, gaps between the bulges can also form a circulating channel, the uterine wall can be completely attached to seal the channel and the suction holes when the space in the uterine cavity is enough, in other words, the arrangement of the structure can effectively ensure that the suction head plays a good negative pressure suction role to ensure that the required better uterine contraction state is reached (the best uterine contraction state is the complete attachment between the uterine walls, no gap exists in the uterine cavity), and therefore blood coagulation and hemostasis are efficiently achieved.
Preferably, four bulges are arranged around each suction hole, and the tops of the two opposite bulges are connected through a connecting strip so as to form a cross-shaped barrier strip outside the orifice of each suction hole.
The design of the cross-shaped barrier strip structure further ensures that the suction head can continuously work without being blocked when the suction head does not reach a better uterine contraction state as much as possible.
Preferably, the rear end of the cannula body is provided with an indicating part which is a convex part or a flat part; the convex part is formed by locally protruding the intubation tube body outwards, is positioned on the same side of the intubation tube body as the suction head, and the center of the convex part is positioned on the plane shared by the suction head and the central shaft of the intubation tube body; the flat part is formed by locally sinking the intubation tube body, the inner cavity of the flat part is communicated with the inner cavity of the intubation tube body, and the plane where the central axes of the suction head and the intubation tube body are located is superposed with the central part of the flat part.
Through the design of the indicating part, the device can clearly show the direction of the suction head relative to the intubation tube body through the direction of the indicating part after being inserted, thereby conveniently ensuring that the suction head is positioned in the middle of the uterine cavity as far as possible and improving the negative pressure suction effect.
Preferably, a hollow elastic supporting body is arranged in the intubation tube body and the suction head, and the elastic supporting body is a plastic spring.
The utility model provides an intubate body and suction head can adopt silica gel material commonly used, through the experiment repeatedly, also can reach better negative pressure suction and realize the effect that the palace contracts, for guaranteeing safer efficient effect, also can set up the elastic support body in intubate body and suction head again to guarantee effectively to carry out the negative pressure suction shrink uterus under operating condition as far as possible, be difficult for squeezing flat the jam inefficacy.
In conclusion, the invention has the following beneficial effects:
1. this application is when using, earlier insert this application and target in place, even attract the head to be located the palace intracavity, the utricule is located the cervical internal orifice, intubate body rear end is outside the cervix, insert and target in place the back through present some aerating device to being inflated in the utricule or liquid, thereby treat the utricule and fill the back realization and to the shutoff of cervix, thereby make the palace chamber become a confined space, then be connected to the back port of intubate body through current negative pressure suction device, inhale through intubate body and attraction head with the liquid in the palace intracavity and blood and make the palace chamber become a negative pressure chamber, make palace chamber wall shrink from physics, oppress each other between the uterus wall, realize the high-efficient shrink of uterus, thereby reach fine blood coagulation hemostasis effect, even if do not play the reality that palace contracts the needle and also can be faster and.
2. This application convenient operation has changed traditional hemostasis mode of packing cooperation palace contraction needle, thereby accords with the principle that the palace contracts in physics and physiology completely and contracts the uterus inner chamber through the negative pressure suction and reach better direct palace contract effect as early as possible, has improved hemostasis effect greatly.
3. The hemostatic bag has the advantages of simple structure, few parts, low cost, convenience in operation and good hemostatic effect.
Drawings
Fig. 1 is a schematic structural view of the present application in which the indicating portion is a flat portion.
Fig. 2 is a structural diagram of the present application in which the indication part is a convex part.
Fig. 3 is a partial structural schematic diagram of the present application.
Fig. 4 is a schematic structural diagram of a use state of the present application.
Figure 5 is a schematic view of the present application with an annular stop collar.
Fig. 6 is a schematic structural diagram of the present application with a bump.
Fig. 7 is a schematic structural diagram of the present application with a bump.
Fig. 8 is a schematic view of the sizing tube, connection area and balloon engagement structure.
Fig. 9 is a schematic view of the fitting structure of the sizing tube and the connecting region.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The first embodiment is as follows:
a negative pressure uterine cavity filling hemostasis device comprises an intubation body 1, a suction head 3 communicated and connected with the front end of the intubation body, a bag body 2 sleeved outside a connection area 10 of the intubation body and the suction head, and an inflation tube 4 connected with the bag body and used for inflating or filling air into the bag body; the suction head is positioned at the front side of the capsule body, a plurality of suction holes 31 communicated with the inner cavity of the suction head are arranged on the suction head, the suction head and the intubation tube body are integrally communicated and connected through straight tubes or bent tubes bent at least at the position corresponding to the capsule body, and the suction head is a strip-tube-shaped suction head. The integrated connection is more convenient in design and processing, low in cost and easy to shape. The intubation tube body and the suction head with the structure are convenient to process and low in cost. The strip-shaped suction head can easily enter the uterus 9, and has better effect of contracting the uterus due to the plurality of suction holes in the length direction when the negative pressure suction is started; thereby avoiding the situation that the suction holes concentrated on a small area can cause the uterine cavity wall to be quickly pressed and blocked on the suction holes, and other areas of the uterine cavity are not contracted.
Example two:
different from the embodiment, a sizing tube 9 is sleeved outside the connection area between the suction head and the intubation tube body, the sizing tube is a hard strip tube or a gooseneck tube, and the balloon body is sleeved outside the sizing tube or on one side of the sizing tube.
The intubation body and the suction head can be made of safer silica gel materials, the strength and the thickness can be realized only by ensuring that the negative pressure suction process is not bent and the channel is smooth, the channel can be narrowed due to the squeezing of the suction head and the intubation body to the water sac, and in addition, the situation that the air supply is not smooth due to the bending of the connection part by overlarge force can also occur, so a hard strip pipe or a gooseneck pipe is sleeved on the connection area to enhance the strength of the area, the effective work of the device is ensured, the hard strip pipe can be a straight pipe or a bent pipe, the operation requirement is met, but for the lying-in women, the upper body is mostly laid down, and the thighs are arched, so the hard strip pipe can be bent to form a certain included angle between the intubation body and the suction head so as to facilitate the operation, and the design of the shaping pipe not only enhances the strength of the area, meanwhile, the processing of the intubation tube body and the suction head is facilitated, the intubation tube body and the suction head can be directly designed into a right angle, and the required angle can be achieved as long as the shaping tube is sleeved in the intubation tube body. If the shaping tube adopts the gooseneck, the included angle between the intubation tube body and the suction head can be changed by bending the gooseneck, and the intubation tube can be folded to a plurality of angles so as to be suitable for the bodies of different lying-in women or different states of the same lying-in woman. In other words, the number of the hard strip pipes can be multiple, and each hard strip pipe is designed into a different angle and can be selected optionally.
Example three:
different from the above embodiment, the included angle between the suction head and the axial direction of the cannula body in the natural state is less than 170 degrees and more than 90 degrees. In this embodiment, the axial included angle between the intubation tube body and the suction head in the natural state of non-use is designed to be 110 degrees, which is relatively suitable for the axial included angle between the connecting line from the inner end of the cervix to the approximate center of the uterus in the state that the legs of most postpartum women bend and the thighs rise upwards during operation and the cervix.
Through the design of the angle, the device is more in line with the design of human engineering, the suction head entering the uterus is positioned in the center of the uterus as much as possible, so that the contraction stress of the uterine wall is more uniform during negative pressure suction, the uterine walls are uniformly extruded with each other, the whole uterine wall is uniformly contracted together, a better uterine contraction effect is achieved, the suction holes can also fully play a role, and the suction head is not easy to cling to the uterine wall just at the beginning of negative pressure.
Example four:
different from the embodiment, the balloon body is an annular balloon body which is sleeved outside the intubation body, an embedded groove 7 is formed in the intubation body along the length direction of the intubation body, the middle part and the front part of the inflation tube are embedded in the embedded groove, and the rear end of the inflation tube extends out of the intubation body and is used for being connected with an inflation or liquid filling device.
The annular sac body has good sealing effect on the cervical internal orifice, and is beneficial to the rapid contraction of the uterine cavity under negative pressure.
Example five:
different from the embodiment, the front side and the rear side of the capsule body are respectively provided with a shaping limiting lantern ring 21, the connecting area of the intubation tube body and the suction head is provided with an annular limiting groove, and the shaping limiting lantern ring and the capsule body are sleeved on the annular limiting groove 6. Annular spacing groove sets up on the corner of intubate body and suction head, the installation of the utricule of being convenient for on the one hand, and on the other hand can conveniently fix a position the utricule high-efficiently again. Ensuring the sealing effect of the cervical internal orifice. The inner ring part of the capsule body can be adhered to the cannula body. The whole body of the capsule is like a hollow disc.
The shaping limit lantern ring is sleeved on the cannula body or the suction head in an interference manner, or is adhered to the cannula body or the suction head.
The arrangement of the shaping limit lantern ring ensures that the capsule body with limited volume can be effectively blocked at a required position, and meanwhile, the capsule body is not easy to excessively extend along the axial direction of the intubation body under the pressure of the cervical wall, so that the cervical orifice can be blocked efficiently and reliably. When this application had the sizing pipe, can overlap the sizing pipe earlier on annular spacing groove, then will fix a shape spacing lantern ring and utricule cover on the sizing pipe again, also more be favorable to fixing a shape spacing lantern ring and the firm installation of utricule like this and can not influence the passageway unobstructed of above-mentioned connected region.
Example six:
different from the above embodiment, a plurality of suction holes are uniformly distributed on the tube wall of the suction head, the front end of the suction head is a blind end which is blocked, an arc-shaped leading-in surface 32 is arranged on the outer end surface, and the edge of the suction head is connected with the outer wall of the suction head tube through an arc transition. The arc-shaped leading-in surface is safer and more convenient to insert, and the organization mechanism can not be blocked on the port.
Example seven:
different from the above embodiment, a plurality of arc-shaped raised bulges 33 are uniformly distributed on the edge area of the suction head corresponding to each suction hole, and the suction holes are positioned at the central position between the corresponding bulges.
The effect of the bulge makes the periphery of each suction hole have a structure of the bulge strut, so that the suction holes are not easy to be blocked before the uterine contraction state required is not reached in the negative pressure suction process, the bulge can strut the sucked uterine wall, meanwhile, gaps between the bulges can also form a circulating channel, the uterine wall can be completely attached to seal the channel and the suction holes when the space in the uterine cavity is enough, in other words, the arrangement of the structure can effectively ensure that the suction head plays a good negative pressure suction role to ensure that the required better uterine contraction state is reached (the best uterine contraction state is the complete attachment between the uterine walls, no gap exists in the uterine cavity), and therefore blood coagulation and hemostasis are efficiently achieved. The bottom edge of the bulge is in gentle arc transition connection with the peripheral wall surface of the suction head.
Example eight:
unlike the above-described embodiment, four bulges are provided around each suction hole, and the tops of two opposite bulges are connected by a connecting strip to form a cross-shaped barrier strip 34 outside the orifice of the suction hole. The design of the cross-shaped barrier strip structure further ensures that the suction head can continuously work without being blocked when the suction head does not reach a better uterine contraction state as much as possible. Under the condition that does not have the swell, can densely cover the suction hole on the suction head of this application in order to reach better negative pressure suction effect.
Example nine:
different from the above embodiment, the rear end of the cannula body is provided with an indicating part 11 which is a convex part or a flat part; the convex part is formed by locally protruding the intubation tube body outwards, is positioned on the same side of the intubation tube body as the suction head, and the center of the convex part is positioned on the plane shared by the suction head and the central shaft of the intubation tube body; the flat part is formed by locally sinking the intubation tube body, the inner cavity of the flat part is communicated with the inner cavity of the intubation tube body, and the plane where the central axes of the suction head and the intubation tube body are located is superposed with the central part of the flat part.
Through the design of the indicating part, the device can clearly show the direction of the suction head relative to the intubation tube body through the direction of the indicating part after being inserted, thereby conveniently ensuring that the suction head is positioned in the middle of the uterine cavity as far as possible and improving the negative pressure suction effect.
Example ten:
different from the above embodiment, the intubation tube body and the suction head are internally provided with a hollow elastic support body 8 which is a plastic spring.
The utility model provides an intubate body and suction head can adopt silica gel material commonly used, through the experiment repeatedly, also can reach better negative pressure suction and realize the effect that the palace contracts, for guaranteeing safer efficient effect, also can set up the elastic support body in intubate body and suction head again to guarantee effectively to carry out the negative pressure suction shrink uterus under operating condition as far as possible, be difficult for squeezing flat the jam inefficacy. The utility model provides a attract the whole vision of head and intubate body to be straight long form, also can design into the state of slightly bending in opposite directions, the axial lead that attracts head and intubate body promptly also can all be the camber line, but the radian is less, even if so insert uterus and palace chamber, also accord with human structure simultaneously more.
This application is when using, earlier insert this application and target in place, even attract the head to be located the palace intracavity, the utricule is located the cervical internal orifice, intubate body rear end is outside the cervix, insert and target in place the back through present some aerating device to being inflated in the utricule or liquid, thereby treat the utricule and fill the back realization and to the shutoff of cervix, thereby make the palace chamber become a confined space, then be connected to the back port of intubate body through current negative pressure suction device, inhale through intubate body and attraction head with the liquid in the palace intracavity and blood and make the palace chamber become a negative pressure chamber, make palace chamber wall shrink from physics, oppress each other between the uterus wall, realize the high-efficient shrink of uterus, thereby reach fine blood coagulation hemostasis effect, even if do not play the reality that palace contracts the needle and also can be faster and.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011529213.5A CN112494094B (en) | 2020-12-22 | 2020-12-22 | A negative pressure uterine tamponade hemostasis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011529213.5A CN112494094B (en) | 2020-12-22 | 2020-12-22 | A negative pressure uterine tamponade hemostasis device |
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| CN112494094A true CN112494094A (en) | 2021-03-16 |
| CN112494094B CN112494094B (en) | 2025-11-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024244877A1 (en) * | 2023-05-09 | 2024-12-05 | 河北北龙医疗科技有限公司 | Uterine cavity vacuum suction device |
Citations (6)
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| CN2640473Y (en) * | 2003-04-01 | 2004-09-15 | 刘健 | Bubble labyrinth clogging-proof drainage tube |
| WO2012137894A1 (en) * | 2011-04-08 | 2012-10-11 | Kariya Isao | Hemostatic tool, hemostatic device, and hemostatic method for uterine bleeding |
| CN205460401U (en) * | 2016-01-26 | 2016-08-17 | 中国人民解放军第三军医大学第一附属医院 | Antiskid drainage device that falls |
| CN105708514A (en) * | 2016-04-14 | 2016-06-29 | 吴德印 | Device for uterus hemostasis |
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| WO2024244877A1 (en) * | 2023-05-09 | 2024-12-05 | 河北北龙医疗科技有限公司 | Uterine cavity vacuum suction device |
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| CN112494094B (en) | 2025-11-04 |
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