CN211511998U - Tension induction artificial membrane rupturing device - Google Patents
Tension induction artificial membrane rupturing device Download PDFInfo
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- CN211511998U CN211511998U CN201922264830.6U CN201922264830U CN211511998U CN 211511998 U CN211511998 U CN 211511998U CN 201922264830 U CN201922264830 U CN 201922264830U CN 211511998 U CN211511998 U CN 211511998U
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Abstract
The utility model provides a tension induction artificial membrane rupturing device, which comprises a front probing pipe and a rear handle, wherein the upper part of the probing pipe is connected with a tension sensor, the upper part of the handle is provided with a display controller, the display controller displays the amnion tension measured by the tension sensor, calculates the pressure corresponding to the amnion puncture according to the amnion tension and displays the pressure; the membrane breaking device is characterized in that a membrane breaking needle and a base are arranged at the lower part in the inserting tube, a push-pull rod and a spring are arranged at the lower part in the handle, the membrane breaking needle is fixed at the front end of the base, the rear end of the base is connected with the front end of the push-pull rod, the push-pull rod is connected with the movable end of the spring, the other end of the spring is fixed at the tail end of the lower part of the handle, and the tail end of the push-pull rod extends out of the tail end of the handle and is used for movably. The utility model discloses an artifical rupture of membranes device of tension response has safety, accurate, few, advantages such as easy operation to the damage of foetus and lying-in woman organ.
Description
Technical Field
The utility model belongs to the technical field of gynaecology and obstetrics's medical instrument, concretely relates to artifical rupture of membranes device of tension response.
Background
In obstetrical clinical treatment, for lying-in women with hypodynamia or uterine contraction difficulty, an artificial membrane breaking method is generally adopted to intervene and tear amnion at the uterine orifice, so that the production process is accelerated, and the risk is reduced. The technical personnel in the field have carried out more research to broken membrane needle, can avoid bringing unnecessary injury for the lying-in woman according to the flexible of broken membrane needle of lying-in woman's actual conditions control.
Patent CN201320157219.3 provides a novel rupture of membranes device, including gasbag, connecting pipe, pjncture needle, piston, air-vent valve, pjncture needle stopper, piston stopper, pressure-sensitive device and sleeve pipe, wherein the gasbag passes through the fixed setting of connecting pipe at the sleeve pipe end, and is equipped with the air-vent valve on the connecting pipe, and the piston stopper sets up on the sleeve pipe inner wall that is close to sleeve pipe intermediate position, and the pjncture needle stopper sets up on sleeve pipe front end inner wall, and wherein pressure-sensitive device, piston stopper and pjncture needle stopper are all effectual prevents pjncture needle extension length. However, the membrane rupturing device cannot sense the surface tension of the amniotic membrane, and thus, can determine how much pressure to provide.
Patent CN201820799217.7 gynaecology and obstetrics rupture of membranes device, including being responsible for the body, it is equipped with the spout to be responsible for serving of the body, it is equipped with the induction pipe to slide to insert in the spout, the one end fixedly connected with of induction pipe pushes away the button, the one end fixedly connected with slide pipe that pushes away the button is kept away from to the induction pipe, the one end that the induction pipe was kept away from to the slide pipe runs through the inner wall and the fixedly connected with rupture of membranes needle of being responsible for the body, the both sides of slide pipe all are equipped with a pair of supporting shoe, a pair of supporting shoe all with the inner wall fixed connection who is responsible for the body, equal fixedly connected with slide bar between a pair of supporting shoe, the slider has been cup jointed in. However, the membrane rupturing device is relatively complex in structure, and the membrane rupturing pressure cannot be controlled.
The existing membrane breaking device can sense the amnion and control the extension length of a puncture needle to further puncture the amnion, however, the expansion degree of each part of the amnion in the production process of a puerpera changes at any time, the amnion conditions of different puerperas also have great difference, the risk of direct puncture is great for the amnion which is too expanded, and the amnion which is not expanded enough needs great puncture force to be penetrated, or the amnion can not be punctured at some time, but the amnion causes damage to the uterus, the vagina and the like of a fetus and the puerpera. Therefore, the real-time monitoring of the surface tension of the amnion, and then the degree of expansion of the amnion is judged, a proper puncture needle length is provided, and the safety of a parturient and a fetus is protected, which is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a tension sensing artificial membrane rupturing device, the membrane rupturing device comprises a front probing pipe and a rear handle, the upper part of the probing pipe is connected with a tension sensor, the upper part of the handle is provided with a display controller, the display controller displays the amnion tension measured by the tension sensor, the pressure corresponding to the punctured amnion is calculated according to the amnion tension, and the pressure is displayed at the same time; the membrane breaking device is characterized in that a membrane breaking needle and a base are arranged at the lower part in the inserting tube, a push-pull rod and a spring are arranged at the lower part in the handle, the membrane breaking needle is fixed at the front end of the base, the rear end of the base is connected with the front end of the push-pull rod, the push-pull rod is connected with the movable end of the spring, the other end of the spring is fixed at the tail end of the lower part of the handle, and the tail end of the push-pull rod extends out of the tail end of the handle and is used for movably.
The membrane rupturing device is divided into two parts, namely a probing pipe at the front end and a handle at the rear end, the probing pipe is used for probing into the vagina of a puerpera to contact and puncture the amnion during membrane rupturing, and the handle is positioned outside the puerpera and is convenient for medical staff to hold, observe and operate the push-pull rod.
The probing pipe is detachably connected with the handle, preferably, the probing pipe and the handle can be in threaded connection, and the probing pipe is convenient to detach. A first upper channel and a first lower channel are arranged in the probe tube, the first upper channel is used for accommodating the tension sensor and the circuit thereof, and the first lower channel is used for accommodating the membrane breaking needle and the base; a second upper channel and a second lower channel are arranged in the handle, the second upper channel is used for accommodating a display controller of the tension sensor, and the second lower channel is used for accommodating the push-pull rod and the spring. The first upper channel is correspondingly communicated with the second upper channel, and the first lower channel is correspondingly communicated with the second lower channel.
The front end of the first upper channel is in threaded connection with the tension sensor, and the head of the tension sensor slightly extends out of the front end of the access pipe, so that the head of the tension sensor can firstly contact the amnion and detect the tension of the amnion. The circuit of tension inductor extends along the well rear portion of first last passageway to enter the second and go up the passageway, the second is gone up the passageway and is had first trompil on the handle, the display controller of circuit switch-on tension inductor, the display controller sets up first trompil department, the screen is to the outside, and the medical staff of being convenient for observes tension data. Preferably, the first opening is provided with a clamping groove or a buckle for detachably fixing the display controller.
The head of the tension sensor is in contact with the amnion, a sensing signal is measured, the signal is transmitted back to the display controller through a line, tension data is displayed, corresponding pressure data is calculated according to the tension data and displayed on the display controller, and medical personnel can read and control the push-pull rod to provide proper pressure to push the membrane rupturing needle.
The first lower channel is divided into two parts according to the channel thickness, the channel diameter of the front part is smaller than that of the rear part, and preferably, the ratio of the channel lengths of the front part to the rear part is (2-3): 1. the front part of the first lower channel is thin and is used as a movement track of the needle head part of the membrane breaking needle, and the front end of the first lower channel is provided with a second opening at the front end of the probing tube, so that the needle head of the membrane breaking needle can penetrate out of the probing tube through the second opening to contact and puncture the amnion.
The rear part of the first lower channel is thick and serves as a moving track of the base, the second lower channel is communicated with the first lower channel and serves as a moving track of the push-pull rod and the spring, and a third opening is formed in the tail end of the handle at the tail end of the second lower channel, so that the push-pull rod can penetrate out of the handle through the third opening and can be pushed and pulled by medical staff.
The membrane rupturing needle is fixed at the front end of the base, the rear end of the base is connected with the front end of the push-pull rod, the push-pull rod is connected with the movable end, namely the front end, of the spring, the rear end of the spring is fixed at the tail end of the inner wall surface of the handle, and the tail end of the push-pull rod extends out of the tail end of the handle.
Preferably, the membrane rupturing needle is directly inserted into the front end of the base, for example, the needle head is inserted into the syringe, the rear end of the base is connected with the outer side surface of the front end of the push-pull rod in a manner selected from a clamping groove or a clamping buckle, and the inner side surface of the front end of the push-pull rod is provided with a clamping groove for clamping the front end of the spring. Preferably, the tail end of the handle fixedly connected with the tail end of the spring is a movable face cover, and the face cover can be flexibly buckled at the tail end of the handle, so that the spring, the push-pull rod, the base and the membrane breaking needle can be conveniently installed and taken out, and all the components can be replaced.
Preferably, the membrane breaking needle has a certain bending angle to form a hook shape, the bending angle is 50-70 degrees, so that the tissue sample is collected or a tissue object is hooked while the amnion is punctured, and the multifunctional application of the membrane breaking device is realized.
When the device is used, the push-pull rod is pulled outwards, the front end of the push-pull rod compresses the front end of the spring to move, the spring contracts to store force, and meanwhile, the front end of the push-pull rod drives the base and the rupture needle to move far towards the handle direction, namely move backwards; when the spring is compressed to a specified degree, when the accumulated pressure reaches the pressure data calculated by the display controller, the push-pull rod is released, the push-pull rod drives the base and the membrane breaking needle to move forwards under the driving of the extension tension of the pressure spring, the membrane breaking needle punches out a second opening at the front end of the probing pipe, and the amnion is punctured by the pressure of the extension tension of the pressure spring; the spring naturally contracts after being stretched to drive the push-pull rod, the base and the membrane breaking needle to move backwards together, and then the membrane breaking device can be retracted.
Preferably, the push-pull rod is provided with a graduated scale corresponding to the relationship between the contraction degree of the spring and the accumulated pressure, so that the graduated scale can visually indicate the pressure of the spring, namely the pressure of the rupture pin.
Preferably, the rear part of the first lower channel and the second lower channel are internally provided with slide rails, so that the base and the push-pull rod can be guided to move.
Because the membrane rupturing device is an invasive medical apparatus, the membrane rupturing device is a detachable disposable product except for a tension sensor, a circuit and a display controller, the tension sensor can be detached from the circuit, and preferably, the head part of the tension sensor is provided with a protective cover which only allows the sensing head to directly contact the amnion.
Therefore, the strain sensor needs to be strictly sterilized after each use so as to be reused. The display controller is arranged at the handle position, and can be repeatedly used after being detached and simply disinfected after being used every time, so that the equipment cost is reduced, and the medical sanitation is guaranteed.
The tension sensor of the utility model is a miniature tension sensor sold in the market.
Rupture of membranes device have following advantage: (1) the tension of the amnion is measured and converted into rupture pressure, so that accurate rupture is realized, the rupture success rate is improved, and the damage to the fetus and the organs of the lying-in woman is greatly reduced, thereby relieving the physical and mental pressure of the lying-in woman; (2) the disassembly is convenient, and the replacement of each part is convenient; (3) the structure and the operation are simple, automatic and visual; (4) the volume is small and exquisite, uses in a flexible way, and medical personnel's operation can be accomplished in external handle department, also avoids the injury to medical personnel.
Drawings
Fig. 1 is a schematic structural diagram of a tension-sensing artificial membrane rupturing device.
Fig. 2 is a schematic cross-sectional view of the handle (a-a').
FIG. 3 is a schematic cross-sectional view of the probe tube (B-B').
FIG. 4: is a schematic structural diagram of another tension induction artificial membrane rupturing device.
In the attached figure, 1-a probe tube, 2-a handle, 3-a tension sensor, 4-a circuit, 5-a display controller, 6-a membrane breaking needle, 7-a base, 8-a push-pull rod, 9-a spring, 10-a first upper channel, 11-a second upper channel, 12-a first lower channel, 13-a second lower channel and 14-a buckle.
Detailed Description
Example 1
As shown in figures 1-3, the tension sensing artificial membrane rupturing device of the embodiment comprises a front end probing pipe 1 and a rear end handle 2, wherein the upper part inside the probing pipe 1 is movably connected with a tension sensor 3, a display controller 5 is arranged at the upper part in the handle 2, the display controller 5 displays the amnion tension measured by the tension sensor, and calculates the corresponding pressure for puncturing the amnion according to the amnion tension, and simultaneously displaying the pressure, wherein a membrane breaking needle 6 and a base 7 are arranged at the lower part in the probing pipe 1, a push-pull rod 8 and a spring 9 are arranged at the lower part in the handle 2, the membrane breaking needle 6 is fixed at the front end of the base 7, the rear end of the base 7 is connected with the front end of the push-pull rod 8, the push-pull rod 8 is connected with the movable end of the spring 9, the other end of the spring 9 is fixed at the tail end of the handle 2, and the tail end of the push-pull rod 8 extends out of the tail end of the handle 2 and is used for movably pushing and pulling the base 7 and the.
The probing tube 1 of the membrane rupturing device is used for probing into the vagina of a puerpera during membrane rupturing operation to contact and puncture the amnion, and the handle 2 is positioned outside the puerpera, so that medical personnel can conveniently hold, observe and operate the push-pull rod 8.
The probing pipe 1 and the handle 2 are detachably connected through threads. A first upper channel 10 and a first lower channel 12 are arranged in the probe tube 1, the first upper channel 10 is used for accommodating the tension sensor 3 and the circuit 4 thereof, and the first lower channel 12 is used for accommodating the rupture needle 6 and the base 7.
A second upper channel 11 and a second lower channel 13 are provided in the handle 2, the second upper channel 11 being used to accommodate the display controller 5, and the second lower channel 13 being used to accommodate the push-pull rod 8 and the spring 9. The first upper channel 10 is in communication with the second upper channel 11, and the first lower channel 12 is in communication with the second lower channel 13.
The front end of the first upper channel 10 is connected with the tension sensor 3 by screw thread, and the head of the tension sensor 3 slightly extends out of the front end of the probing pipe 1 by 3mm, so that the head of the tension sensor 3 can contact the amnion firstly and detect the tension of the amnion. The line 4 of the tension sensor 3 extends along the middle rear part of the first upper channel 10 and enters the second upper channel 11, the second upper channel 11 is provided with a first opening on the handle 2, the line 4 is communicated with the display controller 5, the display controller 5 is arranged at the first opening, and the screen faces the outside, so that the tension data can be observed by medical staff conveniently. The first opening is provided with a fastener 14 for detachably fixing the display controller 5.
The first lower channel 12 has a smaller channel diameter in the front portion than in the rear portion, the ratio of the channel length of the front portion to the channel length of the rear portion being 2: 1. the front part of the first lower channel 12 is thin and is used as a moving track of the needle head part of the membrane breaking needle 6, and the front end of the first lower channel 12 is provided with a second opening at the front end of the probe tube 1, so that the needle head of the membrane breaking needle 6 can penetrate out of the second opening to contact and puncture the amnion.
The rear part of the first lower channel 12 is thicker and is used as a moving track of the base 7, the second lower channel 13 is communicated with the first lower channel 12 and is used as a moving track of the push-pull rod 8 and the spring 9, and the tail end of the second lower channel 13 is provided with a third opening at the tail end of the handle 2, so that the push-pull rod 8 can penetrate out of the handle 2 through the third opening to be pushed and pulled by medical personnel.
The push-pull rod 8 is provided with a graduated scale corresponding to the relation between the contraction degree of the spring 9 and the accumulated pressure, so that the graduated scale can visually indicate the pressure of the spring 9, namely the pressure of the rupture needle 6.
The membrane rupturing needle 6 is directly inserted into the front end of the base 7, the rear end of the base 7 is connected with the outer side face of the front end of the push-pull rod 8 in a buckling mode, and a clamping groove is formed in the inner side face of the front end of the push-pull rod 8 and used for clamping the front end of the spring 9. The end of the handle 2 fixedly connected with the end of the spring 9 is a movable face cover which is flexibly buckled at the end of the handle 2, so that the spring 9, the push-pull rod 8, the base 7 and the rupture needle 6 can be conveniently installed and taken out, and all the components can be replaced.
When the device is used, the head of the tension sensor 3 is in contact with the amnion, a sensing signal is measured, the signal is transmitted back to the display controller 5 through the line 4, tension data and corresponding pressure data are obtained through calculation and displayed on the display controller 5, and medical personnel can read the data and control the push-pull rod 8 to provide proper pressure to push the membrane rupturing needle 6. The push-pull rod 8 is pulled outwards, the front end of the push-pull rod 8 compresses the front end of the spring 9 to move, the spring 9 contracts to store force, and meanwhile the front end of the push-pull rod 8 drives the base 7 and the rupture needle 6 to move backwards; when the spring 9 is compressed to a specified degree and the accumulated pressure reaches the pressure data calculated by the display controller 5, the push-pull rod 8 is released, the push-pull rod 8 drives the base 7 and the membrane breaking needle 6 to move forwards under the driving of the extension tension of the pressure spring 9, the membrane breaking needle 6 punches a second open hole, and the amnion is pierced by the pressure of the extension tension of the pressure spring 9; the spring 9 naturally contracts after being stretched to drive the push-pull rod 8, the base 7 and the membrane breaking needle 6 to move backwards together, and then the membrane breaking device can be retracted into the membrane breaking device.
The membrane rupturing device is a detachable disposable medical product except for the tension sensor 3, the circuit 4 and the display controller 5. Preferably, the tension sensor 3 is also detachable from the line 4, and the display controller 5 is also detachable, and the tension sensor 3 is sterilized after each use for reuse. The display controller 5 is arranged at the position of the handle 2, and can be detached and simply sterilized after each use, so that the disposable medical instrument can be used repeatedly.
Example 2
As shown in fig. 4, the membrane-breaking needle 6 of the membrane-breaking device has a certain bending angle to form a hook shape, the bending angle is 70 degrees, so that the device can conveniently puncture amnion and collect tissue sample or hook tissue, thereby realizing multifunctional application of the membrane-breaking device. Accordingly, the passage of the front portion of the first lower passage 12 is widened, so that the membrane rupturing needle 6 smoothly passes through. The other structures of the membrane rupturing device of the embodiment are the same as those of the embodiment 1.
The above disclosure is only one specific embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. A tension sensing artificial membrane rupturing device is characterized in that the membrane rupturing device comprises a probing pipe at the front end and a handle at the rear end, the upper part in the probing pipe is connected with a tension sensor, a display controller is arranged at the upper part in the handle, the display controller displays the tension of an amnion measured by the tension sensor, the pressure corresponding to the punctured amnion is calculated according to the tension of the amnion, and the pressure is displayed at the same time; the membrane breaking device is characterized in that a membrane breaking needle and a base are arranged at the lower part in the inserting tube, a push-pull rod and a spring are arranged at the lower part in the handle, the membrane breaking needle is fixed at the front end of the base, the rear end of the base is connected with the front end of the push-pull rod, the push-pull rod is connected with the movable end of the spring, the other end of the spring is fixed at the tail end of the lower part of the handle, and the tail end of the push-pull rod extends out of the tail end of the handle and is used for movably.
2. The tension sensing artificial rupture device of claim 1, wherein the probe tube is detachably connected to the handle, and a first upper channel and a first lower channel are arranged in the probe tube, the first upper channel is used for accommodating the tension sensor and the circuit thereof, and the first lower channel is used for accommodating the rupture needle and the base;
a second upper channel and a second lower channel are arranged in the handle, the second upper channel is used for accommodating the display controller, and the second lower channel is used for accommodating the push-pull rod and the spring; the first upper channel is correspondingly communicated with the second upper channel, and the first lower channel is correspondingly communicated with the second lower channel.
3. The tension sensing artificial rupture device of claim 2, wherein the front end of the first upper channel is in threaded connection with the tension sensor, and the head of the tension sensor protrudes out of the front end of the probing pipe; the circuit of the tension sensor extends along the middle rear part of the first upper channel and enters the second upper channel, the second upper channel is provided with a first opening on the handle, the circuit is communicated with the display controller, the display controller is arranged at the first opening, and the screen faces the outside.
4. The tension-sensing artificial rupture device of claim 3, wherein the first opening is provided with a slot or a buckle for detachably fixing the display controller.
5. The tension-sensing artificial rupture device of claim 2, wherein the front part of the first lower channel has a smaller channel diameter than the rear part, the channel of the front part of the first lower channel serves as a movement track of the needle part of the rupture needle, and the front end of the first lower channel has a second opening at the front end of the access tube, so that the needle of the rupture needle can pass out of the access tube through the second opening to contact and rupture the amnion.
6. The tension-sensing artificial rupture device of claim 5, wherein the rear part of the first lower channel is used as a moving track of the base, the second lower channel is communicated with the first lower channel and used as a moving track of the push-pull rod and the spring, and the tail end of the second lower channel is provided with a third opening at the tail end of the handle, so that the push-pull rod can pass through the third opening and out of the handle for pushing and pulling by medical personnel.
7. The tension-sensing artificial rupture device of claim 1, wherein the push-pull rod is provided with a graduated scale corresponding to the relationship between the degree of contraction of the spring and the accumulated pressure, so that the graduated scale can visually indicate the pressure of the spring and the pressure of the rupture pin.
8. The tension sensing artificial membrane rupturing device according to claim 1, wherein the membrane rupturing needle is directly inserted into the front end of the base, the rear end of the base is connected with the outer side surface of the front end of the push-pull rod in a manner selected from a clamping groove or a clamping buckle, and the inner side surface of the front end of the push-pull rod is provided with a clamping groove for clamping the front end of the spring;
the handle end fixedly connected with the tail end of the spring is a movable face cover, and the face cover is buckled at the tail end of the handle, so that the spring, the push-pull rod, the base and the membrane breaking needle can be conveniently installed and taken out, and all the components can be replaced.
9. The tension-sensing artificial rupture device of claim 1, wherein the rupture needle has a bending angle of 50-70 degrees to form a hook shape, so as to facilitate collection of tissue samples or hooking of tissue while puncturing amnion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264830.6U CN211511998U (en) | 2019-12-17 | 2019-12-17 | Tension induction artificial membrane rupturing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264830.6U CN211511998U (en) | 2019-12-17 | 2019-12-17 | Tension induction artificial membrane rupturing device |
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| CN211511998U true CN211511998U (en) | 2020-09-18 |
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| CN201922264830.6U Expired - Fee Related CN211511998U (en) | 2019-12-17 | 2019-12-17 | Tension induction artificial membrane rupturing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842490A (en) * | 2021-02-05 | 2021-05-28 | 温州市中心医院 | Visualization device for obstetrical membrane rupture |
-
2019
- 2019-12-17 CN CN201922264830.6U patent/CN211511998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842490A (en) * | 2021-02-05 | 2021-05-28 | 温州市中心医院 | Visualization device for obstetrical membrane rupture |
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Granted publication date: 20200918 Termination date: 20211217 |