CN220290347U - Bleeding stopping device for simulating postpartum hemorrhage - Google Patents
Bleeding stopping device for simulating postpartum hemorrhage Download PDFInfo
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- CN220290347U CN220290347U CN202321379362.7U CN202321379362U CN220290347U CN 220290347 U CN220290347 U CN 220290347U CN 202321379362 U CN202321379362 U CN 202321379362U CN 220290347 U CN220290347 U CN 220290347U
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- cavity
- simulated
- hemostatic
- simulating
- uterus
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- 208000018525 Postpartum Hemorrhage Diseases 0.000 title claims abstract description 33
- 208000032843 Hemorrhage Diseases 0.000 title claims abstract description 26
- 230000000740 bleeding effect Effects 0.000 title claims abstract description 24
- 230000002439 hemostatic effect Effects 0.000 claims abstract description 50
- 210000004291 uterus Anatomy 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 239000008280 blood Substances 0.000 claims abstract description 12
- 210000004369 blood Anatomy 0.000 claims abstract description 12
- 210000005077 saccule Anatomy 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000023597 hemostasis Effects 0.000 claims abstract description 9
- 210000001215 vagina Anatomy 0.000 claims description 16
- 230000002572 peristaltic effect Effects 0.000 claims description 10
- 210000003905 vulva Anatomy 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010046788 Uterine haemorrhage Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The application belongs to the field of analog medical teaching, and relates to a bleeding stopping device for simulating postpartum hemorrhage, which comprises a simulated uterus, wherein a liquid injection port is arranged on the simulated uterus; the hemostatic device comprises a stuffed saccule and a hemostatic structure, wherein the hemostatic structure is fixedly arranged on the inner wall of the simulated uterus and is arranged corresponding to the liquid injection port, and the stuffed saccule is arranged in the simulated uterus; the liquid storage device provides simulated blood for the device; the connecting pipe is used for connecting a liquid injection port arranged on the simulated uterus with the liquid storage device, and is a conveying channel for simulating blood of the device. The bleeding hemostasis device has the advantages of simple structure, convenient operation, good hemostasis effect, attractive appearance and good sealing performance.
Description
Technical Field
The application belongs to the field of analog medical teaching, and particularly relates to a hemostatic device for simulating postpartum hemorrhage.
Background
The postpartum hemorrhage is defined by WHO, and is called postpartum hemorrhage by the person with the blood loss exceeding 500ml within 24 hours of fetal delivery, and the postpartum hemorrhage is the main cause of death of the puerpera, so that the probability of death of the puerpera can be effectively reduced by timely and accurately treating the postpartum hemorrhage.
At present, medical workers in primary hospitals lack of practical operation training for dealing with postpartum hemorrhage, and in order to improve the processing skill of the medical workers for dealing with postpartum hemorrhage and reduce the mortality rate of puerpera caused by postpartum hemorrhage, it is necessary to provide a device for simulating postpartum hemorrhage hemostasis training.
Disclosure of Invention
The utility model aims to: the purpose of this application is with solving above-mentioned technical problem, provides a simulation postpartum hemorrhage hemostasis trainer to supply medical staff to train, improve the processing skill of reply postpartum hemorrhage, reduce the lying-in woman mortality that leads to because of postpartum hemorrhage.
The application is realized by the following technical scheme:
a simulated postpartum hemorrhage hemostasis device comprising: the device comprises a simulated uterus, a hemostatic device, a liquid storage device and a connecting pipe, wherein the hemostatic device comprises a filling saccule and a hemostatic structure, the filling saccule is arranged in the simulated uterus, the hemostatic structure is fixedly arranged on the inner wall of the simulated uterus and is correspondingly arranged with a liquid injection port arranged on the simulated uterus, the liquid storage device is used for providing simulated blood for the device, and the connecting pipe is used for connecting the liquid injection port arranged on the simulated uterus with the liquid storage device and is a conveying channel for simulating blood for the device.
Further, the simulated uterus comprises a first cavity and a second cavity, the first cavity is sleeved on the second cavity, a cavity is formed between the first cavity and the second cavity, and the liquid injection port is arranged on the second cavity.
Further, the first cavity set up to one end seal one end open-ended ellipse, and in the inside annular groove that is provided with of open end of first cavity, first cavity be the silica gel material, for strengthening the intensity of first cavity, during injection moulding, in the inside one deck screen cloth that is provided with of first cavity.
Further, the material of second cavity be hard plastics, the second cavity set up to one end seal one end open-ended ellipse, and in the outside of open end is provided with annular tongue, with the inside annular groove that sets up of first cavity open end corresponding setting, first cavity through locate the inside annular groove of open end cup joint in the outside annular tongue of second cavity open end to fix it through the sealant.
Further, the hemostatic structure comprises a movable part, a fixed part and an L-shaped connector, wherein the movable part is connected to the inner wall of the second cavity through the fixed part, and the L-shaped connector is fixed to the liquid injection port in a threaded manner.
Further, fixed part set up to the fixed plate to be provided with the through-hole in the fixed plate on, movable part include bearing plate, ejector pin and sealing washer, the bottom of bearing plate and ejector pin pass through the screw fixation, ejector pin upper portion activity set up in the fixed plate through-hole, and in ejector pin upper portion is provided with conical structure, just conical structure on ejector pin upper portion be greater than the through-hole that sets up on the fixed plate, the sealing washer snare locate conical structure on ejector pin upper portion on.
Further, an air injection port is further arranged on the second cavity.
Further, the device also comprises a simulated vagina and a simulated vulva, wherein the simulated vagina is fixedly connected with the simulated vulva, and the simulated vagina is fixedly connected with the simulated uterus and is used for blood outflow after the simulated uterus is subjected to bleeding.
The system further comprises a pressure sensor, a peristaltic pump, an air pump and a control system, wherein the pressure sensor, the peristaltic pump and the air pump are respectively connected with the control system in a wired mode.
Further, the display terminal is connected with the control system in a wired or wireless mode.
The beneficial effects of this application:
the hemostatic device in this application comprises hemostatic structure and filling sacculus, hemostatic structure set up on the inner wall of simulation uterus second cavity, hemostatic structure by the bearing plate, the ejector pin, the fixed plate, sealing washer and L type connect and constitute, filling sacculus in the second cavity, when carrying out hemostatic operation, to filling the sacculus fill water, make its inflation, the filling sacculus after the inflation extrudees bearing plate in the hemostatic structure, makes the bearing plate remove to annotate liquid mouth joint direction, the sealing washer on the ejector pin with second cavity inner wall touch, make joint department simulation blood can not flow to reach hemostatic purpose. The device has simple structure, convenient operation and good hemostatic effect.
The simulation uterus in this application comprises first cavity and second cavity, can carry out the dynamic simulation that postpartum uterus was restoreed, and first cavity in this application is made by the silica gel material, and the second cavity is made by hard plastics, makes simulated uterus outward appearance more pleasing to the eye, and the cost of manufacture is low, just annotate liquid mouth and gas injection mouth integrated on the second cavity of making by hard plastics to be connected with L type joint, guarantee this device can not take place the phenomenon of weeping or gas leakage when using.
The control system is arranged in the application, the bleeding amount can be effectively controlled, a small amount of bleeding can be simulated, a large amount of bleeding state can be simulated, and various case scenes are provided for post-partum bleeding hemostasis training of medical production.
Description of the drawings:
fig. 1: a structural schematic diagram of a hemostatic device for simulating postpartum hemorrhage;
fig. 2: is a three-dimensional structure schematic diagram of a hemostatic structure;
FIG. 3 is a schematic cross-sectional view of a bleeding structure;
fig. 4: is a second cavity structure schematic diagram;
fig. 5: is a schematic diagram of a second cavity and a simulated vagina structure;
fig. 6: is a schematic flow chart of a hemostatic device for simulating postpartum hemorrhage.
The specific embodiment is as follows:
for a clearer description of the objects of the utility model, the technical solutions and the achieved advantageous effects thereof, the following detailed description is given with reference to the accompanying drawings and specific embodiments. It is evident that the embodiments described are part of the present application and that, based on the embodiments of the present application, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of the present application.
The technical solutions of the present application are further described below with reference to the drawings and specific examples of the present application, but are not limited thereto.
In this embodiment, and with reference to fig. 1, a hemostatic device for simulating postpartum hemorrhage comprises a simulated uterus, a hemostatic device, a connecting tube and a liquid storage device. The simulated uterus comprises a first cavity 1 and a second cavity 9, the first cavity 1 is sleeved on the second cavity 9, the volume of the first cavity is larger than that of the second cavity, a cavity 12 is formed between the first cavity and the second cavity, at least one liquid injection port 91 is formed in the second cavity, the hemostatic device comprises a filling saccule 4 and at least one hemostatic structure 3, the hemostatic structure 3 is fixedly arranged on the inner wall of the second cavity 9 and is arranged corresponding to the liquid injection port 91, the filling saccule 4 is arranged in the second cavity, and the connecting pipe is used for communicating the liquid injection port with the liquid storage device to provide simulated blood for the simulated uterus and simulate postpartum hemorrhage.
In this embodiment, as shown in fig. 1 and fig. 4, the first cavity 1 is formed by injection molding of silica gel, and a layer of mesh cloth 2 is disposed in the first cavity 1 during injection molding to ensure the strength of the first cavity. The injection molding first cavity is elliptical, one end of the injection molding first cavity is airtight, an opening is formed in one end of the injection molding first cavity, and an annular groove is formed in the opening end of the first cavity. The second cavity 9 is made of hard plastic, the second cavity is elliptical in shape and is also sealed at one end, an opening is formed in one end of the second cavity, an annular convex groove 94 is formed in the outer portion of the opening end of the second cavity, the annular convex groove corresponds to the annular groove formed in the opening end of the first cavity, the first cavity is sleeved on the annular convex groove formed in the outer portion of the opening end of the second cavity through the annular groove formed in the opening end, and the annular convex groove is fixed through sealant. The annular groove arranged in the first cavity and the annular convex groove arranged outside the second cavity not only play a role in fixing but also play a role in positioning, so that the first cavity and the second cavity can be quickly installed.
In some embodiments, the simulated uterus is configured as a single cavity, and the cavity is made of hard plastic.
In some embodiments, referring to fig. 1, fig. 2 and fig. 3, the hemostatic device includes a filling balloon 4 and a hemostatic structure 3, where the hemostatic structure includes a movable portion, a fixed portion and an L-shaped connector, the movable portion is connected to the second cavity 9 through the fixed portion, the fixed portion is provided as a fixed plate 32, and is fixed on an inner wall of the second cavity 9 through a screw 10, and a through hole 40 is provided on the fixed plate 32, so that the movable portion can perform radial movement on the second cavity. The movable part comprises a bearing plate 31, a push rod 33 and a sealing ring 35, the lower part of the push rod is fixed on the bearing plate 31 through a screw 11, the upper part of the push rod is movably arranged in a through hole 40 of a fixed plate, a certain distance is arranged between the bearing plate 31 and the fixed plate 32 and used for the push rod to move, in order to ensure that the push rod can be clamped on the fixed plate, a conical structure 34 is arranged on the upper part of the push rod, and the conical structure 34 is larger than the hole 40 arranged on the fixed plate. In the bleeding state, the pressure bearing plate 31 and the fixing plate 32 are separated, so that the simulated blood flows into the simulated uterus and the postpartum bleeding is simulated, at least one groove 39 is arranged on the conical structure, and a channel is formed between the conical structure and the fixing plate 32, so that the simulated blood flows into the simulated uterus. To ensure an effective hemostatic action, a sealing ring 35 is provided on the conical structure 34 at the upper part of the ejector rod. One end of the L-shaped connector 38 is fixed to the liquid injection port 91 in a threaded manner, one end is connected to one end of the connecting pipe, and the other end is connected to the liquid storage device.
Preferably, as shown in fig. 2, the bearing plate 31 is circular, and at least two through holes 36 are provided on the bearing plate 31, so as to fix the fixing plate 32 on the inner wall of the second cavity, and fixing holes 37 on the fixing plate are disposed corresponding to the through holes 36 provided on the bearing plate. According to the principle that triangle fixation is most stable in mechanics, in this embodiment, the number of through holes on the bearing plate 31 is 3, and the fixing plate 32 is provided with 3 fixing holes, which not only ensures that the hemostatic structure is more stably fixed on the inner wall of the second cavity, but also saves the space in the second cavity.
In this embodiment, the hemostatic structure 3 is disposed at the lower section of the simulated uterus, as shown in fig. 1, and the filling balloon 4 is a single balloon, so as to perform hemostatic training for simulating bleeding in the lower section of the uterus.
In some embodiments, the number of the through holes on the bearing plate may be 2, 4 or 5. The shape of the bearing plate can be square or polygonal, and the shape of the fixing plate can be the same as or different from that of the bearing plate.
In some embodiments, the hemostatic structure may be disposed at an angular position (not shown) of the simulated uterus, and the filling balloon is a commercially available 3-balloon, so as to perform a hemostatic training for simulating uterine angular bleeding and simulating bleeding at a plurality of positions of the lower section of the uterus.
In some embodiments, as shown in fig. 1, for more realistic post-partum hemorrhage, the device further includes a simulated vagina 5 and a simulated vulva 7, where the simulated vagina 5 and the simulated vulva 7 are formed by injection molding of silica gel, and at least one groove 51 is disposed on the simulated vagina 5 and at least one groove 95 is disposed on the second cavity 9 for facilitating rapid butt joint of the simulated vagina and the second cavity. In order to fix the simulated vagina and the second cavity more stably, the simulated vagina and the second cavity are fixed by a sealant in an adhesive manner, as shown in fig. 5, the simulated vagina 5 is fixedly connected to the base 8 of the simulated vulva 7, and when the simulated uterus is bleeding, the simulated blood flows out from the simulated vulva 7 after passing through the simulated vagina 5, so that the postpartum hemorrhage effect is shown.
In some embodiments, the operation of simulating dynamic recovery of the postpartum uterus may be performed while performing the hemostatic operation of the postpartum hemorrhage. In this embodiment, the simulated uterus is composed of a first cavity 1 and a second cavity 9, and when the first cavity 1 is larger than the second cavity 9 in volume, a cavity 12 is formed between the first cavity and the second cavity. In order to realize inflating the cavity, an air injection port 92 and an air channel 93 (as shown in fig. 4) corresponding to the air injection port are arranged on the second cavity, one end of the L-shaped connector 38 is in threaded connection with the air injection port 92, the other end of the connecting pipe is connected with an air pump, the cavity is inflated through the air pump, the first cavity is inflated for simulating the state of the postpartum uterus when the uterus is not recovered, and the first cavity is restored to the state before the inflation through massaging the first cavity for simulating the dynamic change of the postpartum uterus recovery. In order to control the start and stop of the air pump, the embodiment also comprises a control system which is connected with the air pump in a wired way.
In some embodiments, as shown in fig. 1, 3 and 6, the system further comprises a pressure sensor and a peristaltic pump, wherein the pressure sensor and the peristaltic pump are in wired connection with the control system. The peristaltic pump is connected with the liquid storage device. When a bleeding case is simulated, the control system issues a command to the peristaltic pump, the peristaltic pump enables simulated blood in the liquid storage device to flow into the second cavity 9 through the L-shaped connector 38, and then flows out of the simulated vulva 7 after passing through the simulated vagina, so that a simulated uterine bleeding state can be observed. After the simulated blood flows out, the simulated uterus can be subjected to hemostatic operation, the liquid is filled into the filling saccule 4 arranged in the second cavity 9, the filling saccule is inflated through the drainage tube 6 arranged on the filling saccule 4, the hemostatic structure 3 arranged on the inner wall of the first cavity 1 is extruded by the filling saccule 4 at the moment, the bearing plate 31 in the hemostatic structure 3 drives the ejector rod 33 to move towards the direction of the fixed plate 32, the sealing ring 35 on the upper part of the ejector rod 33 is abutted against the inner wall of the second cavity 9, the simulated blood at the L-shaped joint 38 cannot flow out, the pressure in the connecting tube is increased at the moment, the pressure sensor receives a signal of the pressure increase and transmits the signal to the control system, and the control system controls the peristaltic pump to stop the conveying of the simulated blood, so that the hemostatic success is indicated.
In some embodiments, the display device further comprises a display end, which is connected with the control system in a wired or wireless way and is used for inputting and outputting display. For example, when the post-natal hemorrhage is simulated, the case selection can be performed at the display end, the instruction is sent to the control system to perform the operation of simulating the hemorrhage, and when the hemostasis is successful, the hemostasis is successful at the display end.
In the embodiment, the bleeding amount is controlled by the control system, so that the simulated uterus can show different bleeding amount cases, and the doctor and the student can practice the bleeding stopping operation on the different bleeding amount cases, so that the bleeding stopping skill in the process of treating the actual postpartum bleeding cases is improved.
Claims (10)
1. A device for simulating post-natal bleeding hemostasis, comprising:
the simulated uterus is provided with at least one liquid injection port;
the hemostatic device comprises a stuffed saccule and at least one hemostatic structure, wherein the hemostatic structure is fixedly arranged on the inner wall of the simulated uterus and is arranged corresponding to the liquid injection port, and the stuffed saccule is internally arranged in the simulated uterus;
the liquid storage device provides simulated blood for the device;
the connecting pipe is used for connecting the liquid injection port arranged on the simulated uterus with the liquid storage device.
2. The simulated postpartum hemorrhage hemostatic device of claim 1, wherein the simulated uterus comprises a first cavity and a second cavity, the first cavity is sleeved on the second cavity, a cavity is formed between the first cavity and the second cavity, and the liquid injection port is arranged on the second cavity.
3. The hemostatic device for simulating postpartum hemorrhage according to claim 2, wherein the first cavity is provided with an oval shape with one end sealed and the other end opened, and an annular groove is arranged inside the opening end of the first cavity.
4. The hemostatic device for simulating postpartum hemorrhage according to claim 2, wherein the second cavity is provided with an oval shape with one sealed end and one open end, an annular convex groove is arranged outside the open end, the annular convex groove is arranged corresponding to the annular groove arranged inside the open end of the first cavity, and the first cavity is sleeved with the annular convex groove outside the open end of the second cavity through the annular groove arranged inside the open end and is fixed through sealant.
5. The hemostatic device for simulating postpartum hemorrhage according to claim 2, wherein the hemostatic structure comprises a movable part, a fixed part and an L-shaped joint, wherein the movable part is connected to the inner wall of the second cavity through the fixed part, and the L-shaped joint is fixed to the liquid injection port in a screwed manner.
6. The hemostatic device for simulating postpartum hemorrhage according to claim 5, wherein the fixing part is a fixing plate, and a through hole is arranged on the fixing plate;
the movable part comprises a bearing plate, a push rod and a sealing ring, wherein the bottom of the bearing plate is fixedly connected with the bottom of the push rod through screws, the upper part of the push rod is movably arranged in the through hole of the fixed plate, a conical structure is arranged on the upper part of the push rod, the conical structure on the upper part of the push rod is larger than the through hole arranged on the fixed plate, and the sealing ring is sleeved on the conical structure on the upper part of the push rod.
7. The hemostatic device for simulating post-partum hemorrhage of claim 4, wherein the second chamber further comprises a gas-injection port.
8. The simulated postpartum hemorrhage hemostatic device of claim 1, further comprising a simulated vagina and a simulated vulva, wherein the simulated vagina is fixedly connected with the simulated vulva, and the simulated vagina is fixedly connected with the simulated uterus for bleeding after the simulated uterus has been bled.
9. The device for simulating post-natal bleeding according to any of claims 1-8, further comprising a pressure sensor, a peristaltic pump, an air pump, and a control system, wherein the pressure sensor, peristaltic pump, and air pump are each wired to the control system.
10. The device for simulating post-natal bleeding of claim 9, further comprising a display end in wired or wireless connection with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321379362.7U CN220290347U (en) | 2023-06-01 | 2023-06-01 | Bleeding stopping device for simulating postpartum hemorrhage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321379362.7U CN220290347U (en) | 2023-06-01 | 2023-06-01 | Bleeding stopping device for simulating postpartum hemorrhage |
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| Publication Number | Publication Date |
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| CN220290347U true CN220290347U (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321379362.7U Active CN220290347U (en) | 2023-06-01 | 2023-06-01 | Bleeding stopping device for simulating postpartum hemorrhage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118078368A (en) * | 2024-04-13 | 2024-05-28 | 北京大学第三医院（北京大学第三临床医学院） | Hemostatic device for post partum administration |
-
2023
- 2023-06-01 CN CN202321379362.7U patent/CN220290347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118078368A (en) * | 2024-04-13 | 2024-05-28 | 北京大学第三医院（北京大学第三临床医学院） | Hemostatic device for post partum administration |
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