CN103285499A - Urinary bladder pressure expander - Google Patents
Urinary bladder pressure expander Download PDFInfo
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- CN103285499A CN103285499A CN2013102448569A CN201310244856A CN103285499A CN 103285499 A CN103285499 A CN 103285499A CN 2013102448569 A CN2013102448569 A CN 2013102448569A CN 201310244856 A CN201310244856 A CN 201310244856A CN 103285499 A CN103285499 A CN 103285499A
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Abstract
The invention provides a urinary bladder pressure expander which comprises an air bag liquid injection channel tube, a urinary bladder liquid injection channel tube and a urinary bladder pressure measurement channel tube. A liquid injection port is formed in a first end of the air bag liquid injection channel tube, and an expandable air bag is formed at the position of a second end of the air bag liquid injection channel tube. A liquid injection port is formed in a first end of the urinary bladder liquid injection channel tube, a second end of the urinary bladder liquid injection channel tube penetrates through the expandable air bag and protrudes out for a certain length, and a side hole is formed in the second end of the urinary bladder liquid injection channel tube. A first end of the urinary bladder pressure measurement channel tube is used for measuring the pressure inside a urinary bladder, and a second end of the urinary bladder pressure measurement channel tube is communicated with the urinary bladder. The urinary bladder pressure expander is stable in structure, and the pressure variation inside the urinary bladder can be monitored easily.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of bladder pressure dilator.
Background technology
Traditional dilatation of bladder method is to continue water filling by cystoscope, and the shortcoming of this method is under narcotism, and sphincter of urethra can continue to relax, and excessive phenomenon can occur after the water filling, can not guarantee the dilatation of bladder capacity, and expansion pressure can only maintain 80cmH in short-term
2About O.
In order to overcome the problems referred to above, some scholars have proposed bladder water balloon dilator method and device thereof, structure is the bonding or binding air bag ring at the catheter front end usually, these bladder water balloon dilator devices not only do not meet clinical operating specification, and in the process of using, the air bag ring easily comes off and causes the expansion failure, in addition, also can't monitor intravesical pressure and change.
Summary of the invention
The objective of the invention is to propose a kind of bladder pressure dilator, Stability Analysis of Structures and be easy to monitor intravesical pressure and change.
For achieving the above object, the invention provides a kind of bladder pressure dilator, this bladder pressure dilator comprises:
Air bag liquid injection channel pipe, first end of described air bag liquid injection channel pipe has liquid injection port, and the second end place of described air bag liquid injection channel pipe forms the expansiveness air bag;
Bladder liquid injection channel pipe, first end of described bladder liquid injection channel pipe has liquid injection port, second end of described bladder liquid injection channel pipe passes described expansiveness air bag and an outstanding segment length, and second end of described bladder liquid injection channel pipe forms side opening;
Bladder pressure channel, first end of described bladder pressure channel are used for measuring intravesical pressure, and second end of described bladder pressure channel is communicated with bladder.
In a preferred embodiment, second end of described bladder pressure channel is connected with bladder liquid injection channel pipe, and then is communicated with bladder by bladder liquid injection channel pipe,
Wherein, in practice, the length of considering male urethra is generally 16-22cm, so in a kind of preferred mode, second end of described bladder pressure channel specifically is positioned at the position that bladder liquid injection channel pipe is connected: first end of Guan Shangcong bladder liquid injection channel, described bladder liquid injection channel pipe is to the arbitrary position between the described expansiveness air bag 30cm of distance.
In a preferred embodiment, first end of described bladder liquid injection channel pipe first end that check valve and described bladder pressure channel be set arranges bidirectional relief valve.
In a preferred embodiment, described bladder pressure dilator also comprises: gasbag pressure is measured channel, second end that described gasbag pressure is measured channel is connected with described expansiveness air bag, and described gasbag pressure is measured first end of channel for the pressure of measuring described expansiveness air bag.
In a preferred embodiment, second end that described gasbag pressure is measured channel is connected with air bag liquid injection channel pipe, and then is connected with the expansiveness air bag by air bag liquid injection channel pipe,
Wherein, in practice, the length of considering male urethra is generally 16-22cm, so measure second end of channel specifically is positioned at the position that air bag liquid injection channel pipe is connected at gasbag pressure described in a kind of preferred mode: first end of Guan Shangcong air bag liquid injection channel, described air bag liquid injection channel can be inserted intravesical to apart from the arbitrary position between the expansiveness air bag 30cm to guarantee air bag.
In a preferred embodiment, first end of described air bag liquid injection channel pipe arranges check valve and described gasbag pressure and measures first end of channel bidirectional relief valve is set.
In a preferred embodiment, described bladder liquid injection channel pipe and air bag liquid injection channel pipe are made up of dual pathways silica gel tube.
In a preferred embodiment, the heap(ed) capacity of described expansiveness air bag is 400mL.
In a preferred embodiment, to go out the length of described expansiveness air bag be 5mm to second distal process of described bladder liquid injection channel pipe.
In a preferred embodiment, the length of described bladder liquid injection channel pipe is 50cm.
Compared with prior art, the bladder pressure dilator that provides in the present embodiment belongs to the integral type design, and safe to use, Stability Analysis of Structures meets clinical requirement; By the expansiveness air bag bladder is being expanded simultaneously, when injecting normal saline by bladder liquid injection channel pipe to intravesical, can measure intravesical pressure by the bladder pressure channel, can reach the effect of dilation therapy, can notice again avoiding that pressure is excessive causes rupture of bladder.
Description of drawings
The sketch map of the bladder pressure dilator that Fig. 1 provides for present embodiment one;
The sketch map of the bladder pressure dilator that Fig. 2 provides for present embodiment two;
The sketch map of the bladder pressure dilator that Fig. 3 provides for present embodiment three;
The sketch map of the bladder pressure dilator that Fig. 4 provides for present embodiment four;
The sketch map of the bladder pressure dilator that Fig. 5 provides for present embodiment five.
The specific embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
The embodiment of the invention provides a kind of bladder pressure dilator, and this bladder pressure dilator comprises air bag liquid injection channel pipe, bladder liquid injection channel pipe and bladder pressure channel at least.Wherein, first end of air bag liquid injection channel pipe has liquid injection port, the second end place of air bag liquid injection channel pipe forms the expansiveness air bag, first end of bladder liquid injection channel pipe has liquid injection port, second end of bladder liquid injection channel pipe passes expansiveness air bag and an outstanding segment length, second end of bladder liquid injection channel pipe forms side opening, first end of bladder pressure channel is used for measuring intravesical pressure, and second end of bladder pressure channel is communicated with bladder.When by bladder pressure dilator of the present invention bladder being expanded, can monitor intravesical pressure.Below describe several specific embodiment of the bladder pressure dilator among the present invention in detail.
Embodiment one
Referring to Fig. 1, the bladder pressure dilator in the present embodiment one comprises air bag liquid injection channel pipe 1, bladder liquid injection channel pipe 2, bladder pressure channel 3.First end 11 of air bag liquid injection channel pipe 1 has liquid injection port, and second end 12 of air bag liquid injection channel pipe 1 forms expansiveness air bag 5.The material of this expansiveness air bag 5 can be silica gel.The liquid injection port of first end 11 by air bag liquid injection channel pipe 1 can inject liquid in expansiveness air bag 5, so that expansiveness air bag 5 expands.
In practice, the length of L2 can be 5mm.The heap(ed) capacity of expansiveness air bag 5 can be 400mL.The length of bladder liquid injection channel pipe 2 can be 50cm.
Bladder liquid injection channel pipe 2 shown in Fig. 1 separates with air bag liquid injection channel pipe 1, also can be made up of dual pathways silica gel tube in practice, and then strengthen the globality of whole bladder pressure dilator.
For the better flow direction of each channel of control, the valve of control can be set at first end 11 of first end 31 of first end 21 of bladder liquid injection channel pipe 2, bladder pressure channel 3 and air bag liquid injection channel pipe 1.For example can check valve be set at first end 21 of bladder liquid injection channel pipe 2, at first end 31 of bladder pressure channel 3 two-way valve be set, at first end 11 of air bag liquid injection channel pipe 1 check valve is set.
A kind of concrete using method of the bladder pressure dilator in the following brief description present embodiment.
At first the patient is carried out intravertebral anesthesia, carry out cystoscopy, the emptying bladder is inserted bladder pressure dilator in the present embodiment by urethra;
Carry out bladder water filling and process of expansion then: the valve of closing first end 31 of bladder pressure channel 3, open the valve of first end 21 of bladder liquid injection channel pipe 2 (when the valve of first end 21 adopts check valve, needn't carry out the action of opening valve in addition), inject normal saline (injection rate can be 50mL) through bladder liquid injection channel pipe 2 to intravesical, close the valve of first end 21 of bladder liquid injection channel pipe 2 (when the valve of first end 21 adopts check valve, needn't carry out the action of valve-off in addition), pressure gauge (can be piezometer) is received first end 31 of bladder pressure channel 3, open the valve of first end 31 of bladder pressure channel 3, in order to intravesical pressure is measured.Open the valve of first end 11 of air bag liquid injection channel pipe 1, injecting normal saline in the expansiveness air bag 5 (also can implantation concentration be 2.5% Compound Diatrzoatc Meglumlne solution, conveniently when dilatation of bladder, observe the bladder metamorphosis with x-ray fluoroscopy) expansiveness air bag 5 is slowly expanded, the first time, the basis to the bladder capacity that the expansiveness air bag 5 interior saline volume of injecting can be measured before art increased 100mL.Intravesical pressure is measured in the pressure gauge that first end 31 by bladder pressure channel 3 connects, and can keep 3-5 minute.Then through the valve of first end 11 of air bag liquid injection channel pipe 1, the emptying air bag.And can the normal saline that intravesical injects be discharged through first end 31 of bladder pressure channel 3.
Can carry out three air bag water fillings and process of expansion more then, the normal saline that injects in the air bag can progressively increase progressively, and guarantees that intravesical pressure reaches 80cmH
2More than the O, but should not surpass 120cmH
2O.Can observe bladder after at every turn the normal saline that intravesical is injected is discharged and have or not hemorrhagely, as not have hemorrhagely, then may not reach expansion effect, can further increase the amount of injecting normal saline in the air bag.Need to prove, before expanding by 5 pairs of bladders of expansiveness air bag, need at first to inject the 50mL normal saline by bladder liquid injection channel pipe 2 to intravesical, this is because bladder is not sphere, therefore at first inject the 50mL normal saline to intravesical, allow expansiveness air bag 5 in expansion, can adapt to the variation of intravesical form voluntarily.
After bladder carried out water filling and expansion, carry out cystoscopy, observe the hemorrhage situation of intravesical and have or not rupture of bladder, postoperative continuous bladder irrigation.
The bladder pressure dilator that provides in the present embodiment belongs to the integral type design, and safe to use, Stability Analysis of Structures meets clinical requirement; Expanding by 5 pairs of bladders of expansiveness air bag simultaneously, when injecting normal saline by bladder liquid injection channel pipe 2 to intravesical, can measure intravesical pressure by bladder pressure channel 3, can reach the effect of dilation therapy, can notice again avoiding that pressure is excessive causes rupture of bladder.
In addition, the intravesical that causes because of a variety of causes such as intravesical biopsies is hemorrhage, also can use the bladder pressure dilator in the present embodiment to carry out hemostasis by compression.
Embodiment two
Referring to Fig. 2, the bladder pressure dilator in the present embodiment two and the difference of embodiment one are: in the present embodiment, be not communicated with between second end of bladder pressure channel and the bladder, but be communicated with bladder by bladder liquid injection channel pipe.
Parts identical with Fig. 1 labelling among Fig. 2 are identical parts, repeat no more here.In the present embodiment, first end 31 ' of bladder pressure channel 3 ' is used for measuring intravesical pressure, second end 32 ' of bladder pressure channel 3 ' is connected with bladder liquid injection channel pipe 2, and be communicated with the position on bladder liquid injection channel pipe 2 from first end 21 of bladder liquid injection channel pipe 2 to the arbitrary position between the expansiveness air bag 5, the position mark that is communicated with in Fig. 2 is P1.Like this, second end 32 ' of bladder pressure channel 3 ' is communicated with bladder by bladder liquid injection channel pipe 2.
In practice, the length of considering male urethra is generally 16-22cm, can insert intravesical in order to guarantee to guarantee expansiveness air bag 5, preferably, second end 32 ' of bladder pressure channel 3 ' and bladder liquid injection channel pipe 2 positions that are connected are positioned at: on the bladder liquid injection channel pipe 2 from first end 21 of bladder liquid injection channel pipe 2 to the arbitrary position between the 30cm of distance expansiveness air bag 5, namely P1 is not less than 30cm to the distance of expansiveness air bag 5.
Bladder pressure dilator in the present embodiment under the prerequisite that identical functions can be provided, can further reduce the cost of raw material with respect to embodiment one.
Equally, in order to control the flow direction of each passage better, can the valve of control be set at first end 21 of bladder liquid injection channel pipe 2, first end 31 ' and first end 11 of air bag liquid injection channel pipe 1 of bladder pressure channel 3 '.For example can check valve be set at first end 21 of bladder liquid injection channel pipe 2, at first end 31 ' of bladder pressure channel 3 ' two-way valve be set, at first end 11 of air bag liquid injection channel pipe 1 check valve is set.
The using method of the bladder pressure dilator among the using method of the bladder pressure dilator in the present embodiment and the embodiment one is identical, repeats no more here.
Embodiment three
Fig. 3 shows the sketch map that present embodiment provides the bladder pressure dilator, and as shown in Figure 3, the bladder pressure dilator in the present embodiment has increased gasbag pressure and measured channel 4 with respect to the bladder pressure dilator among the embodiment one.So that the pressure in the monitoring air bag changes.
Particularly, structure identical with labelling among Fig. 1 among Fig. 3 is identical parts, repeats no more here.In the present embodiment, second end 42 that gasbag pressure is measured channel 4 is connected with expansiveness air bag 5, and gasbag pressure is measured first end 41 of channel 4 for the pressure of measuring expansiveness air bag 5.And in practice, the mode that second end 42 of gasbag pressure measurement channel 4 is connected with expansiveness air bag 5 can be direct connection, also can pass through the miscellaneous part indirect communication.Be that example describes with direct mode of communicating especially in the present embodiment.As shown in Figure 3, second end 42 that gasbag pressure is measured channel 4 directly combines with expansiveness air bag 5, and is communicated with.
For the better flow direction of each channel of control, the valve of control can be set at first end 11 of first end 31 of first end 21 of bladder liquid injection channel pipe 2, bladder pressure channel 3, air bag liquid injection channel pipe 1 and first end 41 that gasbag pressure is measured channel 4.For example can check valve be set at first end 21 of bladder liquid injection channel pipe 2, first end 31 at bladder pressure channel 3 arranges two-way valve, first end 11 at air bag liquid injection channel pipe 1 arranges check valve, and first end 41 of measuring channel 4 at gasbag pressure arranges two-way valve.
A kind of concrete using method of the bladder pressure dilator in the following brief description present embodiment.
At first the patient is carried out intravertebral anesthesia, carry out cystoscopy, the emptying bladder is inserted bladder pressure dilator in the present embodiment by urethra;
Carry out bladder water filling and process of expansion then: the valve of closing first end 31 of bladder pressure channel 3, open the valve of first end 21 of bladder liquid injection channel pipe 2 (when the valve of first end 21 adopts check valve, needn't carry out the action of opening valve in addition), inject normal saline (injection rate can be 50mL) through bladder liquid injection channel pipe 2 to intravesical, close the valve of first end 21 of bladder liquid injection channel pipe 2 (when the valve of first end 21 adopts check valve, needn't carry out the action of valve-off in addition), pressure gauge (can be piezometer) is received first end 31 of bladder pressure channel 3, open the valve of first end 31 of bladder pressure channel 3, in order to intravesical pressure is measured.Close gasbag pressure and measure the valve of first end 41 of channel 4, open the valve (valve that arranges when first end 11 for check valve time needn't carry out the action of opening this valve in addition) of first end 11 of air bag liquid injection channel pipe 1, injecting normal saline in the expansiveness air bag 5 (also can implantation concentration be 2.5% Compound Diatrzoatc Meglumlne solution, conveniently when dilatation of bladder, observe the bladder metamorphosis with x-ray fluoroscopy) expansiveness air bag 5 is slowly expanded, the first time, the basis to the bladder capacity that the expansiveness air bag 5 interior saline volume of injecting can be measured before art increased 100mL.Intravesical pressure is measured in the pressure gauge that first end 31 by bladder pressure channel 3 connects, and can keep 3-5 minute.Open then air bag liquid injection channel pipe 1 first end 11 valve or open the valve that gasbag pressure is measured first end 41 of channel 4, the emptying air bag (when in expansiveness air bag 5, inject be 2.5% Compound Diatrzoatc Meglumlne the time, because 2.5% Compound Diatrzoatc Meglumlne toughness, directly difficult by first end, 11 delivery ratios of air bag liquid injection channel pipe 1, therefore preferred first end, 41 discharges of adopting gasbag pressure to measure channel 4).And can the normal saline that intravesical injects be discharged through first end 31 of bladder pressure channel 3.
Can carry out three air bag water fillings and process of expansion more then, the normal saline that injects in the air bag can progressively increase progressively, and guarantees that intravesical pressure reaches 80cmH
2More than the O, but should not surpass 120cmH
2O.Can observe bladder after at every turn the normal saline that intravesical is injected is discharged and have or not hemorrhagely, as not have hemorrhagely, then may not reach expansion effect, can further increase the amount of injecting normal saline in the air bag.Need to prove, before expanding by 5 pairs of bladders of expansiveness air bag, need at first to inject the 50mL normal saline by bladder liquid injection channel pipe 2 to intravesical, this is because bladder is not sphere, therefore at first inject the 50mL normal saline to intravesical, allow expansiveness air bag 5 in expansion, can adapt to the variation of intravesical form voluntarily.
After bladder carried out water filling and expansion, carry out cystoscopy, observe the hemorrhage situation of intravesical and have or not rupture of bladder, postoperative continuous bladder irrigation.
In addition, clinical research for convenience, need to understand the internal pressure situation of expansiveness air bag 5 in the process of bladder being carried out water filling and expansion, but because there is retraction force in the bladder self after the expansion, the internal pressure of expansiveness air bag 5 is with usually different with intravesical pressure, so the pressure that the pressure gauge that first end 41 that needs gasbag pressure to measure channel 4 inserts is measured channel 4 to gasbag pressure is measured.
Bladder pressure dilator in the present embodiment can also be in dilatation of bladder with respect to embodiment one, and monitoring expansiveness air bag pressure inside changes, for the relation of further studying between intravesical pressure and the expansiveness air bag internal pressure provides foundation.
Embodiment four
Fig. 4 shows the sketch map of the bladder pressure dilator in the present embodiment four, as shown in Figure 4, bladder pressure dilator in the present embodiment only is with the difference of embodiment three: second end that the gasbag pressure in the bladder pressure dilator in the present embodiment is measured channel is not directly to be communicated with the expansiveness air bag, but is communicated with the expansiveness air bag by air bag liquid injection channel pipe.
Particularly, structure identical with Fig. 3 labelling among Fig. 4 is identical parts, repeats no more here.In the present embodiment, gasbag pressure is measured channel 4 ' first end 41 ' for the pressure of measuring in the expansiveness air bag 5, gasbag pressure is measured channel 4 ' second end 42 ' and is connected with air bag liquid injection channel pipe 1, and be communicated with the position on air bag liquid injection channel pipe 1 from first end 11 of air bag liquid injection channel 1 to the arbitrary position between the expansiveness air bag 5, the position mark that is communicated with in Fig. 4 is P2.Like this, gasbag pressure is measured channel 4 ' second end 42 ' and is communicated with expansiveness air bag 5 by air bag liquid injection channel pipe 1.
In practice, the length of considering male urethra is generally 16-22cm, can insert intravesical in order to guarantee to guarantee expansiveness air bag 5, gasbag pressure is measured channel 4 ' second end 42 ' and specifically is positioned at pipe 1 position that is connected, air bag liquid injection channel: first end 11 from air bag liquid injection channel 1 is managed on 1 to the arbitrary position between the 30cm of distance expansiveness air bag 5 in air bag liquid injection channel, and namely P2 is no less than 30cm to the distance of expansiveness air bag 5.
Bladder pressure dilator in the present embodiment under the prerequisite that identical functions can be provided, can further reduce the cost of raw material with respect to embodiment three.
Equally, in order to control the convenience of flow direction, the valve of control can be set at first end 11 of first end 31 of first end 21 of bladder liquid injection channel pipe 2, bladder pressure channel 3, air bag liquid injection channel pipe 1 and first end 41 ' that gasbag pressure is measured channel 4 '.For example can check valve be set at first end 21 of bladder liquid injection channel pipe 2, first end 31 at bladder pressure channel 3 arranges two-way valve, first end 11 at air bag liquid injection channel pipe 1 arranges check valve, and first end 41 ' of measuring channel 4 ' at gasbag pressure arranges two-way valve.
The using method of the bladder pressure dilator among the using method of the bladder pressure dilator in the present embodiment and the embodiment three is identical, repeats no more here.
Embodiment five
Fig. 5 show that present embodiment provides in the sketch map of bladder pressure dilator, as shown in Figure 5, bladder pressure dilator in the present embodiment and the difference of embodiment four are, in the reference example two for the mentality of designing of bladder pressure channel, not directly to be communicated with between second end of bladder pressure channel and the bladder, but be communicated with bladder by bladder liquid injection channel pipe.
Particularly, first end 31 ' of bladder pressure channel 3 ' is used for measuring intravesical pressure, second end 32 ' of bladder pressure channel 3 ' is connected with bladder liquid injection channel pipe 2, and be communicated with the position on bladder liquid injection channel pipe 2 from first end 21 of bladder liquid injection channel pipe 2 to the arbitrary position between the expansiveness air bag 5, the position mark that is communicated with in Fig. 5 is P1.
In practice, the length of considering male urethra is generally 16-22cm, can insert intravesical in order to guarantee to guarantee expansiveness air bag 5, preferably, second end 32 ' of bladder pressure channel 3 ' and bladder liquid injection channel pipe 2 positions that are connected are positioned at: on the bladder liquid injection channel pipe 2 from first end 21 of bladder liquid injection channel pipe 2 to the arbitrary position between the 30cm of distance expansiveness air bag 5, namely P1 is not less than 30cm to the distance of expansiveness air bag 5.
Like this, second end 32 ' of bladder pressure channel 3 ' is communicated with bladder by bladder liquid injection channel pipe 2.Gasbag pressure is measured channel 4 ' first end 41 ' for the pressure of measuring in the expansiveness air bag 5, gasbag pressure is measured channel 4 ' second end 42 ' and is connected with air bag liquid injection channel pipe 1, and be communicated with the position on air bag liquid injection channel pipe 1 from first end 11 of air bag liquid injection channel 1 to the arbitrary position between the expansiveness air bag 5, the position mark that is communicated with in Fig. 5 is P2.Like this, gasbag pressure is measured channel 4 ' second end 42 ' and is communicated with expansiveness air bag 5 by air bag liquid injection channel pipe 1.
In practice, the length of considering male urethra is generally 16-22cm, can insert intravesical in order to guarantee to guarantee expansiveness air bag 5, gasbag pressure is measured channel 4 ' second end 42 ' and specifically is positioned at pipe 1 position that is connected, air bag liquid injection channel: first end 11 from air bag liquid injection channel 1 is managed on 1 to the arbitrary position between the 30cm of distance expansiveness air bag 5 in air bag liquid injection channel, and namely P2 is no less than 30cm to the distance of expansiveness air bag 5.
The structure that other labellings are identical with labelling among Fig. 4 among Fig. 5 is identical parts, repeats no more here.
Bladder pressure dilator in the present embodiment can further reduce the cost of raw material with respect to the bladder pressure dilator among the embodiment four.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, the change of doing without departing from the spirit and scope of the present invention and retouching all belong to scope of patent protection of the present invention.
Claims (10)
1. a bladder pressure dilator is characterized in that, this bladder pressure dilator comprises:
Air bag liquid injection channel pipe, first end of described air bag liquid injection channel pipe has liquid injection port, and the second end place of described air bag liquid injection channel pipe forms the expansiveness air bag;
Bladder liquid injection channel pipe, first end of described bladder liquid injection channel pipe has liquid injection port, second end of described bladder liquid injection channel pipe passes described expansiveness air bag and an outstanding segment length, and second end of described bladder liquid injection channel pipe forms side opening;
Bladder pressure channel, first end of described bladder pressure channel are used for measuring intravesical pressure, and second end of described bladder pressure channel is communicated with bladder.
2. bladder pressure dilator as claimed in claim 1 is characterized in that, second end of described bladder pressure channel is connected with described bladder liquid injection channel pipe, and then is communicated with bladder by described bladder liquid injection channel pipe,
Wherein, second end of described bladder pressure channel is positioned at the position that described bladder liquid injection channel pipe is connected: first end of the described bladder liquid of described bladder liquid injection channel Guan Shangcong injection channel pipe is to the arbitrary position between the described expansiveness air bag.
3. bladder pressure dilator as claimed in claim 2, it is characterized in that second end of described bladder pressure channel is positioned at the position that described bladder liquid injection channel pipe is connected: first end of the described bladder liquid of described bladder liquid injection channel Guan Shangcong injection channel pipe is to the arbitrary position between the described expansiveness air bag 30cm of distance.
4. bladder pressure dilator as claimed in claim 1 or 2 is characterized in that, first end that first end of described bladder liquid injection channel pipe arranges check valve and described bladder pressure channel arranges bidirectional relief valve.
5. bladder pressure dilator as claimed in claim 1, it is characterized in that, described bladder pressure dilator also comprises: gasbag pressure is measured channel, second end that described gasbag pressure is measured channel is connected with described expansiveness air bag, and described gasbag pressure is measured first end of channel for the pressure of measuring described expansiveness air bag.
6. bladder pressure dilator as claimed in claim 5, it is characterized in that, second end that described gasbag pressure is measured channel is connected with described air bag liquid injection channel pipe, and then is connected with described expansiveness air bag by described air bag liquid injection channel pipe
Wherein, second end of described gasbag pressure measurement channel is positioned at the position that described air bag liquid injection channel pipe is connected: first end of the described air bag liquid of described air bag liquid injection channel Guan Shangcong injection channel is to the arbitrary position between the described expansiveness air bag.
7. bladder pressure dilator as claimed in claim 6, it is characterized in that second end that described gasbag pressure is measured channel is positioned at the position that described air bag liquid injection channel pipe is connected: first end of the described air bag liquid of described air bag liquid injection channel Guan Shangcong injection channel is to the arbitrary position between the described expansiveness air bag 30cm of distance.
8. as any described bladder pressure dilator in the claim 5 to 7, it is characterized in that first end that first end of described air bag liquid injection channel pipe arranges check valve and described gasbag pressure measurement channel arranges bidirectional relief valve.
9. bladder pressure dilator as claimed in claim 1 is characterized in that, described bladder liquid injection channel pipe and described air bag liquid injection channel pipe are made up of dual pathways silica gel tube.
10. bladder pressure dilator as claimed in claim 1 is characterized in that, the heap(ed) capacity of described expansiveness air bag is 400mL.
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| CN108697394A (en) * | 2016-02-26 | 2018-10-23 | 株式会社Jms | Oral cavity related pressure measures probe |
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- 2013-06-19 CN CN2013102448569A patent/CN103285499A/en active Pending
- 2013-06-19 CN CN201320353731.5U patent/CN203379470U/en not_active Expired - Fee Related
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108697394A (en) * | 2016-02-26 | 2018-10-23 | 株式会社Jms | Oral cavity related pressure measures probe |
| CN108697394B (en) * | 2016-02-26 | 2021-04-23 | 株式会社Jms | Oral cavity related pressure measuring probe |
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|---|---|
| CN203379470U (en) | 2014-01-08 |
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Application publication date: 20130911 |