CN206577223U - A kind of pressure measurement catheter - Google Patents
A kind of pressure measurement catheter Download PDFInfo
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- CN206577223U CN206577223U CN201621281828.XU CN201621281828U CN206577223U CN 206577223 U CN206577223 U CN 206577223U CN 201621281828 U CN201621281828 U CN 201621281828U CN 206577223 U CN206577223 U CN 206577223U
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- pressure measurement
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- manometric module
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- External Artificial Organs (AREA)
Abstract
The utility model provides a kind of pressure measurement catheter, it is mainly used in intermittent clean urethral catheterization patient or Preserving time urethral catheterization patient, including catheter main body and manometric module, the catheter main body is the tubulose of both ends open inner hollow, its inner hollow is urethral catheterization chamber, top is urine filling mouth, tail end is urine outlet, the inner hollow of the manometric module is pressure measuring cavity, one end is connected with catheter main body, check valve is provided with the pressure measurement opening of the other end, provided with one section of less pressure transmission conduit of cavity internal diameter between catheter main body and manometric module, the pressure transmission chamber of the pressure transmission conduit connects urethral catheterization chamber with pressure measuring cavity, the pressure measurement catheter can detect bladder pressure during urination, determine safe bladder pressure, form personalized control urine, micturition mechanism.
Description
Technical field
The utility model is related to a kind of pressure measurement catheter, and in particular to a kind of to measure the catheter of bladder pressure, belongs to
Technical field of medical instruments.
Background technology
Urethral catheterization is divided into two kinds of interrupted catheterization and indwelling catheter, and interrupted catheterization is that per urethram mouth inserts bladder by catheter, is treated
Immediately by the urethral catheterization method of Removal of uriethral catheter after intravesical urine emptying.Gap urethral catheterization can alleviate bladder excessive and fill, drop
Low intravesical pressure, enables the bladder wall blood circulation to recover, and the generation of urinary tract infections is reduced, while bladder can also be reduced
Ureter backflows, the incidence of uronephrosis and lithangiuria, improves patients ' psychological obstacle, and intermittent urethral catheterization is to assist bladder emptying
Golden standard.Due to intermittent urethral catheterization patient usually not filling of bladder feel, it is impossible to accurately hold urination it is optimal when
Machine, can only be drunk water by Tighter control, and urination opportunity is determined according to bladder urine storage time and experience, because of individual patients life
Reason difference and food effect differ greatly, and urination opportunity is difficult to hold.Indwelling catheter is that catheter one end per urethra is inserted into wing
Guang, and be retained in bladder, the other end extends to method that is external and connecting a closed urine collecting device and drainage of urine.Mesh
Preceding patients with catheterization mainly opens urinary catheter discharge urine using unimpeded urinary catheter or timing, discharges urine using unimpeded mode easy
Contracture of bladder is caused, bladder compliance is reduced, and uses timing urination mode, can not accurately judge on urination opportunity, easily to make again
It is excessive and damage bladder into bladder pressure.It is well known that bladder pressure is the factor for determining urination opportunity most critical, pass through detection
Bladder pressure judges that urination opportunity turns into trend.
Chinese patent notification number CN 203989396 discloses a kind of disposable urination connecting tube, including urine collection tube, should
Urine collection tube connects and is connected to connecting tube and pressure-measuring pipe on three-way connection, two branch pipes of three-way connection, at the end of pressure-measuring pipe
End is provided with the machine end connector connected with the air pressure probe on bladder training instrument, and joint is built with hydrophobic membrane, and this is hydrophobic
Film, which may only ventilate, can not lead to liquid, but when urine is close to hydrophobic membrane, hydrophobic membrane stops that urine continues to flow, and hydrophobic membrane is certainly
Air inside body limited deformation, pressure-measuring pipe can not be continued to press on to pressure sensor by urine, so this measurement bladder pressure
Mode there is the drawbacks of measurement data is inaccurate.
Chinese patent notification number CN 104856665 discloses a kind of bladder pressure detection means, including expanding end, pressure
Test side, pressure gauge, need to inject liquid or gas to expanding end when using, are received by the expanding end inside bladder
Pressure, then the pressure gauge at pressure detecting end is transferred to, the technical scheme receives transmission pressure using expanding end, note is needed when using
Enter liquid or gas, it is cumbersome using process, reduce the operating efficiency of medical personnel.
Chinese patent notification number CN 103055361 discloses a kind of urethral catheterization device, including catheter and drainage bag, described
The capillary for being connected to pressure sensor is communicated with catheter, buffer air bag is provided with the capillary, the buffering gas
The urine that capsule is prevented effectively from catheter is entered in capillary by suck-back, prevents pressure sensor by urine pollution.But, the technology
Scheme setting buffer air bag is complicated, and processing cost is too high, is unfavorable for patient's long-term use.
For the problems of above-mentioned prior art, medicine equipment research staff needs exploitation one kind badly can while urethral catheterization
To measure the portable equipment of bladder pressure, facilitate patient to carry out self detection, understand a human bladder data parameters, instruct its basis
Bladder pressure carries out urethral catheterization.
The content of the invention
The purpose of this utility model is to provide a kind of pressure measurement catheter, including：Catheter main body, the catheter main body is two
The tubulose of end opening inner hollow, the inner hollow is urethral catheterization chamber, and the opening positioned at top is urine filling mouth, positioned at the opening of tail end
For urine outlet, fluid stopping part, the break-make of the fluid stopping component controls urethral catheterization chamber are provided with catheter main body tail end；Manometric module,
The manometric module is located at the top of catheter main body fluid stopping part, with can accommodate the inner hollow of pressure measurement part, in the inside
Sky is pressure measuring cavity, and manometric module one end is connected with catheter main body, and pressure measuring cavity is connected with urethral catheterization chamber, and the other end is opened provided with pressure measurement
Mouthful, the pressure measurement opening is to outer closure；At least one pressure transmission conduit is connected on the manometric module, the pressure transmission conduit is located at pressure measurement
Between module and catheter main body, overall is in the tubulose of both ends open inner hollow, and one end is connected with catheter main body, and the other end is with surveying
Die block is connected, and the inner hollow is pressure transmission chamber, and the pressure transmission chamber is by the urethral catheterization chamber and the pressure measuring cavity of manometric module of catheter main body
Connection, the length of the pressure transmission conduit is in 30mm between 200mm, and the cavity internal diameter of pressure transmission chamber is in 0.5mm between 4mm；Institute
State and check valve is provided with the pressure measurement opening of manometric module, the check valve makes pressure measurement mould to the pressure measurement opening of external seal manometric module
Gas inside block pressure measuring cavity can not be discharged through pressure measurement opening.
The catheter main body apical position sets at least two urine filling mouths, and one of urine filling mouth is closer to catheter main body
Top, can quickly discharge the urine on upper strata inside bladder, another urine filling mouth is positioned close to the position of neck of urinary bladder, can be by wing
The urine discharge of lower floor inside Guang, it is to avoid in bladder internal residual urine.Provided with connection at the catheter main body tail end urine outlet
The joint of urine storage device, joint connects the urine that the urine storage devices such as urinal are used for collecting patient, facilitates doctor to assess the urine of sufferer
Amount situation；The joint can also connect bladder irrigation equipment, and exterior washings liquid is redirected back into human bladder through urine outlet and carried out clearly
Wash, reduce bladder infection rate.The pressure transmission conduit is particularly located at the position of catheter main body 2/3rds, and the fluid stopping part is located at
Pressure transmission conduit and the downstream of catheter main body junction, fluid stopping part are closed, and intravesical urine pressure can be transferred to pressure transmission conduit,
Fluid stopping part is opened, and intravesical urine passes through fluid stopping part and flowed to urine outlet direction.Above-mentioned fluid stopping part be for
The flow-stopping clip or valve of liquid type switch.The pressure transmission conduit, which is specially one section, has the pipeline of smaller internal diameter, can prevent from passing
The gas in intracavitary portion is pressed when by external impacts, is changed into the urethral catheterization intracavitary that less gas bubble enters catheter main body, and with
The state of urine formation gas-liquid mixed segmentation, because the state of gas-liquid mixed segmentation can influence pressure transmission chamber and pressure measurement intracavity gas pressure
The transmission of power, makes the bladder internal pressure of measure inaccurate.Certainly, in order to ensure the gas inside pressure transmission chamber and pressure measuring cavity always
In the presence of, in addition it is also necessary to check valve is set at the pressure measurement opening of manometric module, and when being not used, check valve sealing is closed, in use, surveying
Splenium part runs through check valve, ensures gas inside pressure measuring cavity not by being tightly connected for pressure measurement part outer wall and check valve inwall
Leakage.
The pressure measurement catheter includes at least two pressure transmission conduit parallel arranged combinations, and one end connects with catheter main body after combination
Connect, the other end is connected with manometric module, at least two pressure transmission chambers connect the pressure measuring cavity of the urethral catheterization chamber of catheter main body and manometric module
It is logical.Specifically, two pressure transmission conduit Side by side groupings are set to disperse the impulsive force that external belt is come, it is not easy to make pressure transmission intracavitary portion
Gas enters the urethral catheterization intracavitary of catheter main body, and the state being segmented with urine formation gas-liquid mixed.Because gas-liquid mixed is segmented
State can influence the transmission of gas pressure in pressure transmission chamber and pressure measuring cavity, make the bladder internal pressure of measure inaccurate, so many
The setting of root pressure transmission conduit has meaning.Many pressure transmission conduit Side by side groupings, have excellent on the cavity internal diameter of control pressure transmission chamber
Gesture, multiple pressure transmission chambers of many pressure transmission conduits combine common transmission gas pressure.
The pressure transmission chamber of the pressure transmission conduit is separated at least two small sized pipelines, and the small sized pipeline is led catheter main body
Urine chamber is connected with the pressure measuring cavity of manometric module.The pressure transmission conduit can also be separated into multiple small sized pipelines, multiple tiny pipes
Road collectively constitutes pressure transmission chamber, small sized pipeline one end connection urethral catheterization chamber, other end connection pressure measuring cavity.The small sized pipeline may be configured as
Arbitrary shape, such as petal shape, honeycomb shape.Pressure transmission conduit with small sized pipeline can disperse the impulsive force of outside,
Prevent pressure transmission chamber internal gas from entering the urethral catheterization intracavitary of catheter main body, and the state being segmented with urine formation gas-liquid mixed, institute
Foreign impacts power can preferably be tackled with the pressure transmission conduit with multiple small sized pipelines.
The rounded helical form of pressure transmission conduit, one end of round spiral is connected with catheter main body, round spiral
The other end is connected with manometric module.When external impacts pressure transmission conduit, the pressure transmission conduit of round spiral contributes to scattered impact
External force, prevent pressure transmission intracavitary portion's gas motion to urethral catheterization intracavitary portion.The pressure transmission conduit by smaller internal diameter one section of pipeline system
Into, the shape of the bionical snail of pipeline is configured, and integral disc is set to circular, because pressure transmission conduit is generally in helical form,
During its pipeline of external impacts, the pipeline of bending has disperseed impulsive force, pressure transmission chamber internal gas is not easily accessed catheter main body
Urethral catheterization intracavitary, influence bladder internal pressure measurement.Specifically, the gas into catheter main body urethral catheterization intracavitary is formed with urine
The state of gas-liquid mixed segmentation, can influence the transmission of gas pressure in pressure transmission chamber and pressure measuring cavity, make the bladder internal pressure of measure
It is inaccurate, so rounded spiral helicine pressure transmission conduit can preferably tackle foreign impacts power, prevent the gas in pressure transmission intracavitary portion
Body is escaped to urethral catheterization intracavitary portion.
Auxiliary protection set is provided with outside the pressure transmission conduit, the auxiliary protection set is set in outside pressure transmission conduit, prevents outer
Power impacts pressure transmission conduit.Auxiliary protection set is made of silica gel material, rigid plastics material, metal material, can also
It is made from gas cell form, pressure transmission conduit is set using gas cell inner hollow, not rushed with pressure transmission conduit is protected by external force
The effect hit.The external impacts can vibrate pressure transmission conduit, the air in pressure transmission intracavitary portion and the urine in urethral catheterization intracavitary portion
Fragmentation state is mixed to form, the accuracy of bladder pressure is influenceed.
The pressure transmission conduit connects end with catheter main body junction provided with arc, and the extended line at the arc connection end is with leading
The angle of pipe main body top orientation axis is acute angle, and the angle with catheter main body tail end azimuth axis is obtuse angle.The arc connects
Go side is particularly located at pressure transmission conduit and catheter main body junction, is gently bent to conduit body trailing end direction, that is, the port connected
Towards urethral catheterization chamber downstream direction, under special circumstances, pressure transmission chamber and pressure measuring cavity internal gas lack, or gas is mixed with urine
, it is necessary to which to tonifying Qi inside pressure transmission chamber and pressure measuring cavity, now gas and the mixing portion of urine need to be pushed away during formation fragmentation state
Go out urethral catheterization chamber to discharge from urine outlet direction, gas is conducive to urine outlet direction towards the arc connection end of urethral catheterization chamber downstream direction
Motion, is finally discharged from urine outlet direction.
The pressure measurement catheter also includes the hydrophobic component of gas-permeable, liquid-impermeable, and the hydrophobic component is located at manometric module with passing
Between pressure conduit.The hydrophobic component prevents liquid from being flowed to by pressure transmission chamber in manometric module pressure measuring cavity, using ventilative impermeable
The poly tetrafluoroethylene of liquid, can be with when pressure transmission chamber and pressure measuring cavity inner air are lost in, and urine is full of pressure transmission chamber and pressure measuring cavity in advance
Urine is prevented to pollute pressure measurement part through hydrophobic component.
The pressure measurement catheter also includes communicating valve, and the communicating valve is located between manometric module and hydrophobic component, connection
Valve is closed, and the pressure transmission chamber of communicating valve both sides is truncated, and communicating valve is opened, and the pressure transmission chamber of communicating valve both sides is connected.The connection
Valve is the rotary gas control valve for being arranged on pressure transmission intracavitary portion, when pressure measurement part is detached inside check valve, because pressure transmission chamber,
The negative pressure produced when gas inside pressure measuring cavity is compressed and pressure measurement part is detached, can make pressure transmission chamber, pressure measuring cavity inner air from
Convenient in rapid escape in gap between check valve and pressure measurement part, causes urine moment to be full of pressure transmission chamber and pressure measuring cavity, in order to ensure
Air inside pressure transmission chamber, pressure measuring cavity stays in inside, closes communicating valve, the pressure transmission chamber of communicating valve both sides is truncated, on communicating valve
The pressure transmission chamber of trip side is isolated with the pressure transmission chamber of upstream side, now detaches pressure measurement part, makes pressure transmission chamber, the sky inside pressure measuring cavity
Gas stays in inside, is next time using offering convenience.
The check valve is in integrally hollow Duckbill type, and hollow cavity is valve pocket, and one end is sealed end, and the other end is opening
End, the sealed end of check valve is by pressure measuring cavity to outer closure.The check valve is made of quality of rubber materials, when check valve sealed end is beaten
During open state, the pressure measuring cavity of manometric module is connected with the external world.In another scheme, the check valve is overall in the form of sheets, unidirectionally
The wire opening that valve radial direction is closed provided with least one folder, the valve body of wire opening both sides produces folder to wire opening direction and closed
Power, closes pressure measurement opening, and when pressure measurement part runs through check valve, the wire opening is strutted to both sides, when pressure measurement part is detached
During check valve, the wire opening is closed to middle direction folder, continues to close pressure measurement opening.
In another scheme, the check valve is radially provided with least one weakness zone, the wall of the weakness zone
Thickness is less than the average wall thickness of check valve, and when external force runs through check valve, the weakness zone of the check valve is torn out.In use, surveying
Pressure member tip punctures the weakness zone, and the pressure measuring cavity of the manometric module is connected with the external world.Specifically, the check valve can
The film that pressure member tip is punctured can be tested to be one layer.
The manometric module also includes shell and snap part, and the shell is conformal to be wrapped in outside check valve, shell
The outer wall of inwall and check valve is in sealing contact；The snap part is arranged on the one end of shell to outward opening.The snap part
Check valve is prevented to deviate from from enclosure.The shell and snap part are made of plastic material, and outer surface of outer cover is provided with increasing
Plus frictional force is easy to the strip projected parts that human hand is gripped, snap part is fixedly connected with shell, formed and accommodated and fixation check valve
Space.
The pressure measurement catheter also includes pressure measurement part, and the pressure measurement part includes probe segment and detection part, the spy
Head is divided into hollow tubulose, and one end is insertion end, and the other end is connection end, and cannulated is in probe chamber, the detection part
Portion is provided with pressure sensor, display unit and data processor, and the data processor receives pressure sensor collection
Data are handled, and transmit to display unit display, and the connection end of the probe segment is connected with pressure sensor, institute
The insertion end for stating pressure measurement parts probe part runs through the check valve of manometric module, the pressure change that pressure measuring cavity internal gas is transmitted
The pressure sensor of detection part is transferred to through probe segment probe chamber.
The pressure measurement part is specially electron pressure measurement apparatus, and the pressure measurement part also includes wireless transmission component, will survey
Amount data are wirelessly transmitted on the mobile phone of doctor or patient, and data storage and data analysis are carried out using the APP of mobile phone, so as to
Instruct the carry out control urine urination that patient is more scientific.Certainly, the pressure measurement part can also be tradition urine power monitoring instrument, in pressure measurement
While analysis detection is carried out to the urine power of patient.The pressure measurement part is reusable, and patient only needs replacing pressure measurement to lead
The catheter sections of urinary catheter, save cost, do not increase the financial burden of patient.
The pressure measurement part also includes one-way gas-compensating valve and flexible pipe, and described two one-way gas-compensating valves are located at flexible pipe two respectively
End, is connected with flexible pipe sealing, and an one-way gas-compensating valve is connected with probe segment probe chamber, another one-way gas-compensating valve and the external world
It is connected, squeezing tube, the unidirectional tonifying Qi of ambient atmos enters probe chamber.
Beneficial effect：
The utility model provides a kind of pressure measurement catheter, and bladder pressure when can be urinated with exact knowledge determines safe wing
Guang pressure, forms personalized control urine, urination process, is mainly used in intermittent clean urethral catheterization patient or Preserving time urethral catheterization is suffered from
Person.The catheter main body is connected with manometric module, has gas in the pressure measuring cavity storage inside of manometric module, and insertion catheter main body enters
Enter human bladder, close the urine outlet of catheter main body, urine flows to the junction of catheter main body and manometric module, bladder pressure
The gas of manometric module pressure measuring cavity storage inside is compressed, bladder pressure is measured using pressure measurement part.Above-mentioned technical proposal is conducive to
The measurement of bladder pressure, can instruct patient to judge interrupted catheterization opportunity, make bladder is rhythmic to fill before Patients of Spinal urination
It is full of and empties, maintain bladder normal physiological condition, prevent cystospasm, effectively reduces residual urine volume and urethral catheterization number of times, make patient
Life reaches normal state, while the occurrence of can also reducing uronephrosis.
In order to ensure that manometric module pressure measuring cavity storage inside has gas, manometric module two ends, which are equipped with, prevents gas leak
Structure, is provided with pressure transmission conduit, the pressure transmission conduit, which is specially one section, has smaller internal diameter in manometric module and catheter main body junction
Pipeline, can be designed as helical form or be divided into multiple pipelines, mainly prevent the gas inside pressure measuring cavity by external force
During impact, it is changed into the urethral catheterization intracavitary that less gas bubble enters catheter main body, it is ensured that manometric module pressure measuring cavity storage inside has
Gas, makes urine gradually will not be displaced to inside pressure measuring cavity.Certainly, less gas bubble and urine formation gas-liquid mixed segmentation
State can influence the transmission of gas pressure, make the bladder internal pressure of measure inaccurate.Set in manometric module with extraneous junction
Have check valve, be not used when, check valve sealing close, in use, pressure measurement part run through check valve, by pressure measurement part outer wall with
Being tightly connected for check valve inwall ensures that the gas inside pressure measuring cavity does not leak to the external world.
In order to be further ensured that manometric module pressure measuring cavity storage inside has gas, prevent gas in pressure measurement part from check valve
Escaped when inside is detached, device is additionally provided with communicating valve, the communicating valve is located between manometric module and hydrophobic component, the connection
Valve is specially the gas control valve of rotation, when pressure measurement part is detached inside check valve, because check valve internal gas is pressed
The negative pressure that contracting and pressure measurement part are produced when detaching, during gap of the pressure measuring cavity inner air between check valve and pressure measurement part can be made
Convenient in rapid escape, is likely to result in urine moment full of pressure measuring cavity, in order to ensure that the gas inside pressure measuring cavity is stayed in inside pressure measuring cavity, closes
Communicating valve is closed, the lacuna of communicating valve both sides is truncated, and now detaches pressure measurement part, the gas inside pressure measuring cavity is stayed in pressure measuring cavity
It is internal.
In order to ensure that pressure measurement part, not by urine pollution, devises multiple anti-pollution structure, first, pressure transmission conduit prevents from passing
Press the gas inside chamber and pressure measuring cavity to escape, also just prevent urine not to be displaced to inside pressure measuring cavity, pressure measurement part will not be polluted；
Secondly, device is additionally provided with hydrophobic component, and the hydrophobic component uses the poly tetrafluoroethylene of gas-permeable, liquid-impermeable, in emergency circumstances,
When pressure transmission chamber and pressure measuring cavity inner air are escaped, when urine is full of pressure transmission chamber, hydrophobic component can prevent urine from passing through, and prevent dirt
Contaminate pressure measurement part.
Brief description of the drawings
Fig. 1 is the overall cutting structural representation of the utility model pressure measurement catheter；
Fig. 2 is the utility model pressure measurement catheter sectional perspective cutting structural representation Fig. 1；
Fig. 3 is the utility model pressure measurement catheter sectional perspective cutting structural representation Fig. 2；
Fig. 4 is the utility model pressure measurement catheter sectional perspective cutting structural representation Fig. 3；
Fig. 5 is the utility model pressure measurement catheter sectional perspective cutting structural representation Fig. 4；
Fig. 6 is the overall decomposition texture schematic diagram of the utility model pressure measurement catheter；
Fig. 7 is the utility model pressure measurement catheter first embodiment perspective cut-away structural representation；
Fig. 8 is the utility model pressure measurement catheter second embodiment perspective cut-away structural representation；
Fig. 9 is the utility model pressure measurement catheter manometric module cutting structural representation；
Figure 10 is the utility model pressure measurement catheter pressure measurement part perspective cut-away structural representation；
Figure 11 is the utility model pressure measurement catheter pressure measurement part one-way gas-compensating valve cutting structural representation；
Figure 12 is the utility model pressure measurement catheter manometric module check valve cutting structural representation Fig. 1；
Figure 13 is the utility model pressure measurement catheter manometric module check valve cutting structural representation Fig. 2；
Figure 14 is the embodiment cutting structural representation of the utility model pressure measurement catheter the 3rd；
Figure 15 is the utility model pressure measurement catheter pressure measurement state dimensional structure diagram；
Figure 16 is the utility model pressure measurement catheter urination state dimensional structure diagram；
In figure：1st, catheter main body；11st, urethral catheterization chamber；12nd, urine filling mouth；13rd, urine outlet；14th, three-way connection；15th, fluid stopping portion
Part；16th, outer connector；17th, sacculus；18th, connecting tube；2nd, manometric module；21st, pressure measuring cavity；22nd, pressure measurement opening；23rd, check valve；
231st, valve pocket；232nd, sealed end；233rd, openend；234th, wire opening；235th, weakness zone；24th, shell；25th, snap part；
26th, support column；3rd, pressure transmission conduit；31st, pressure transmission chamber；32nd, small sized pipeline；33rd, round spiral；331st, arc connection end；34th, it is auxiliary
Help protective case；4th, data receiver part；5th, communicating valve；51st, communicating valve valve casing；52nd, valve element is connected；6th, pressure measurement part；61st, pop one's head in
Part；611st, insertion end；612nd, connection end；613rd, one-way gas-compensating valve；614th, flexible pipe；615th, tonifying Qi valve element；610th, probe chamber；
62nd, detection part；621st, pressure sensor；622nd, display unit；623rd, data processor；624th, wireless transmission component；7、
Holding shell；71st, hydrophobic component；72nd, bacterium part is hindered；80th, bladder；81st, urine；82nd, prostatic urethra；83rd, membranous urethra；
84th, urethra；85th, penis portion urethra.
Embodiment
Embodiment 1：
As Figure 1-5, a kind of pressure measurement catheter, specific to be made of medical grade pvc material, agent structure bag
Include：Catheter main body 1 and manometric module 2, the catheter main body 1 are the tubulose of both ends open inner hollow, and the inner hollow is to lead
Chamber 11 is urinated, the opening positioned at top is urine filling mouth 12, urine filling mouth 12 is located inside human bladder 80 in use, main to use
Urine 81 inside export bladder 80, to ensure all export of 80 inside urine of human bladder 81, in the top of catheter main body 1 position
Multiple urine filling mouths 12 can be set by putting, on the one hand the urine 81 inside quick export bladder 80, on the other hand using close to bladder
The urine filling mouth 12 of 80 necks exports all urines 81, it is to avoid there is residual urine liquid 81 in bladder 80.The opening of the tail end of catheter main body 1
For urine outlet 13, outer connector 16 is provided with the urine outlet 13, for being connected with external urine memory unit.Close to conduit master
Fluid stopping part 15 is provided with the tail end of body 1, the fluid stopping part 15 is specifically included in the flow-stopping clip used on soft pipeline, either
The switch valve set inside urethral catheterization chamber 11, above-mentioned fluid stopping part 15 is used for the break-make for controlling urethral catheterization chamber 11.
The manometric module 2 is located at the upstream of the fluid stopping part 15 of catheter main body 1, is connected using three-way connection 14, in conduit
The position of main body 2/1sts three is blocked, the two ends that connecting conduit main body 1 is blocked respectively of three-way connection 14 and manometric module 2.Such as Fig. 1
Shown, metering system is：When catheter main body 1 insert 80 inside of human bladder when, generally in vertical state or close to
Vertical state, urine 81 flows to urine outlet 13, urine outlet of the fluid stopping part 15 close to the tail end of catheter main body 1 from urine filling mouth 12
13, and manometric module 2 is located at the top of fluid stopping part 15, the upstream of stream unit 15 untill can also describing.The manometric module 2
With that can accommodate the inner hollow of the probe segment 61 of pressure measurement part 6, the pressure measurement part 6 is specially the electronic sensor for measuring pressure
Device, the inner hollow is pressure measuring cavity 21, and the one end of manometric module 2 is connected with catheter main body 1, and pressure measuring cavity 21 is connected with urethral catheterization chamber 11
It is logical, the urine inside human bladder 80 is exported using urethral catheterization chamber 11, the air inside compression pressure measuring cavity 21, air passes pressure
Pressure measurement part 6 is transported to measure.Certainly, the pressure measurement part 6 is needed through the pressure measurement opening 22 on manometric module 2 and pressure measuring cavity 21
Connection, during without using pressure measurement opening 22, the pressure measurement opening 22 is to outer closure.In order to ensure inside the pressure measuring cavity 21 of manometric module 2
Gas can not be discharged through pressure measurement opening 22, and check valve 23,23 pairs of the check valve are provided with the pressure measurement opening 22 of the manometric module 2
The pressure measurement opening 22 of external seal manometric module 2.As shown in figure 1, the check valve 23 can be disposable rubber diaphragm,
Run through check valve 23 using the insertion end 611 of probe segment 61, make the pressure measurement of the probe chamber 610 and manometric module 2 of probe segment 61
Chamber 21 is connected, and urine pressure is transmitted to the probe chamber 610 of probe segment 61 by pressure measuring cavity 21, is detected the pressure of part 62
Sensor 621 is monitored, and data transfer to data processor 623, human bladder 80 is finally shown on display unit 622
Interior urine pressure.The pressure measurement part 6 can be used for multiple times, and the insertion end 611 of probe segment 61 is ensured using connection end 612
It is stable, prevent it to be reversed displacement in the check valve 23 being made through rubber.As shown in figure 1, the check valve 23 also may be used
Think nonexpondable Duckbill type check valve 23, the insertion end 611 of probe segment 61 runs through check valve 23, the probe of probe segment 61
Chamber 610 is connected with the pressure measuring cavity 21 of manometric module 2, and the insertion end 611 of probe segment 61, check valve 23 are pulled out from check valve 23
Continue the pressure measurement opening 22 to external seal manometric module 2.
As shown in figure 11, the pressure measurement part 6 also includes one-way gas-compensating valve 613 and flexible pipe 614, the one-way gas-compensating valve 613
Including inlet end and outlet side, the tonifying Qi valve element 615 of unidirectional folding is internally provided with, ambient atmos can only enter from inlet end,
Flowed out again by outlet side.In order to provide the power of ambient atmos motion, the pressure measurement part 6 also includes flexible pipe 614, described two
One-way gas-compensating valve 613 is located at the two ends of flexible pipe 614 respectively, is connected with the sealing of flexible pipe 614, an one-way gas-compensating valve 613 and probe portion
61 probe chambers 610 are divided to be connected, another one-way gas-compensating valve 613 is connected with the external world, and flexible pipe 614 occurs for squeezing tube 614
Air inside deformation, flexible pipe 614 is moved to the one-way gas-compensating valve 613 being connected with the probe chamber 610 of probe segment 61, is unclamped soft
Pipe 614, flexible pipe 614 recovers original shape, draws ambient atmos and is filled into by another one-way gas-compensating valve 613 inside flexible pipe 614.
As shown in figure 12, the check valve 23 is overall in the form of sheets, and the radial direction of check valve 23 sets a plurality of wire opening
234, overall is in petal shape, and the valve body of the both sides of wire opening 234 produces Pressure value to the direction of wire opening 234, closes pressure measurement
Opening 22, when pressure measurement part 6 runs through check valve 23, the wire opening 234 is strutted to both sides bending, when pressure measurement part 6 is taken out
During from check valve 23, the wire opening 234 is closed to middle direction folder, continues to close pressure measurement opening 22.
As shown in figure 13, the check valve 23 is radially provided with the weakness zone 235 of right-angled intersection, the weakness zone
235 wall thickness is less than the average wall thickness of check valve 23, when external force runs through check valve 23, the quilt of weakness zone 235 of the check valve 23
Tear apart.In use, the tip of pressure measurement part 6 punctures the check valve 23 of sheet, check valve 23 is torn apart along weakness zone 235,
The internal pressure of urethral catheterization chamber 11 of catheter main body 1 is delivered to by the air of pressure measuring cavity 21 on hand-held pressure measurement part 6.
In order to ensure that the gas inside the pressure measuring cavity 21 of manometric module 2 can not escape to urethral catheterization chamber 11, it is prevented from urine and enters
Enter pressure measuring cavity 21, pressure transmission conduit 3 is connected with the manometric module 2, the pressure transmission conduit 3 is located at manometric module 2 and conduit
Between main body 1, overall is in the tubulose of both ends open inner hollow, and one end is connected with catheter main body 1, the other end and manometric module 2
Connection, the inner hollow is pressure transmission chamber 31, and the pressure transmission chamber 31 is by the pressure measurement of the urethral catheterization chamber 11 of catheter main body 1 and manometric module 2
Chamber 21 is connected, and the length of the pressure transmission conduit 3 is in 30mm between 200mm, and the cavity internal diameter of pressure transmission chamber 31 is in 0.5mm to 4mm
Between, the length and cavity internal diameter of the pressure transmission conduit 3 are directly connected to whether gas can escape to urethral catheterization chamber 11, and pressure transmission is led
Pipe 3 is longer and cavity internal diameter of pressure transmission chamber 31 is smaller, is conducive to preventing the gas inside pressure measuring cavity 21 from escaping to urethral catheterization chamber 11, but
It is that too small cavity internal diameter is difficult in technique, or cost of implementation is high.
Experiment condition：1st, the pressure transmission conduit 3 of length 30mm-200mm specifications is chosen, internal diameter is respectively set to：Internal diameter
0.5mm；Internal diameter 1.5mm；Internal diameter 2mm；Internal diameter 2.5mm；Internal diameter 3mm；Internal diameter 3.5mm；Internal diameter 4mm；Internal diameter 5mm is standby.2nd, on
State and contain air inside pressure transmission conduit 3, and be connected on the 50mm pipeline containing liquid, two ends closure, then be placed in from
Ground spacing 1m, 1.5m, 2m freedom of the air are fallen 100 times, check the gas-liquid mixed probability of each pressure transmission conduit 3.
Experiment conclusion：From length between 30mm-200mm and pressure transmission conduit 3 of the internal diameter between 0.5mm-4mm occurs
Gas-liquid mixed probability is relatively low, meets product structure design demand.
The concrete mode that gas inside the pressure measuring cavity 21 of manometric module 2 is escaped to urethral catheterization chamber 11 is：Work as external impacts
Or during vibration manometric module 2, the gas inside the pressure measuring cavity 21 of manometric module 2 may become the less bubble of diameter, the gas
Bubble is suspended or is moved in the urethral catheterization chamber 11 of catheter main body 1, and the state of gas-liquid mixed can be formed with urine 81；Another situation
In, when external impacts or vibration manometric module 2, the gas inside the pressure measuring cavity 21 of manometric module 2 enters leading for catheter main body 1
Urinate in chamber 11, the state that can be segmented with the formation gas-liquid of urine 81.Above-mentioned two situations can influence pressure transmission chamber 31 and pressure measuring cavity 21
The transmission of interior gas pressure, makes the internal pressure of bladder 80 of measure inaccurate.In order to reduce inside the pressure measuring cavity 21 of manometric module 2
Gas is escaped to the probability of urethral catheterization chamber 11, reduces the cavity internal diameter of the pressure transmission chamber 31 of pressure transmission conduit 3, or increase pressure transmission conduit 3
Length is all feasible.As shown in Fig. 2 in another scheme, three parallel arrangeds of pressure transmission conduit 3 combinations, after combination one end with
Catheter main body 1 is connected, and the other end is connected with manometric module 2, three Side by side groupings of pressure transmission chamber 31 together, by catheter main body 1
Urethral catheterization chamber 11 is connected with the pressure measuring cavity 21 of manometric module 2, first, and the cavity internal diameter of three pressure transmission chambers 31 of pressure transmission conduit 3 can become
It is smaller, in addition, when external impacts pressure transmission conduit 3, multiple pressure transmission conduits 3 help to decompose impulsive force, reduce pressure measuring cavity 21
Internal gas is escaped to the probability of urethral catheterization chamber 11.Certainly, the radical of the parallel arranged of pressure transmission conduit 3 can enter according to actual needs
Row is flexibly set.
During to prevent external impacts or vibration pressure transmission conduit 3, manometric module 2, the gas inside pressure transmission chamber 31, pressure measuring cavity 21
Body is escaped to urethral catheterization chamber 11, influences the accuracy of the piezometry of bladder 80.As shown in figure 3, the pressure transmission chamber of the pressure transmission conduit 3
31 are separated into two small sized pipelines 32, and " separation " is specifically the cut-off using setting in the pressure transmission chamber 31 of pressure transmission conduit 3, will
Pressure transmission chamber 31 is divided into two small sized pipelines 32, and the small sized pipeline 32 is by the urethral catheterization chamber 11 of catheter main body 1 and manometric module 2
Pressure measuring cavity 21 is connected, and the small sized pipeline 32 further reduces cavity internal diameter, and the cut-off of " separation " pressure transmission chamber 31 is conducive to alleviating
External impact force, reduces the internal gas of pressure measuring cavity 21 and escapes to the probability of urethral catheterization chamber 11.
As shown in figure 4, the overall rounded helical form 33 of pressure transmission conduit 3, the snaillike shape of monnolithic case is the same, circle
The periphery one end of shape helical form 33 is connected with catheter main body 1, and the center one end of round spiral 33 is connected with manometric module 2, external force punching
When hitting pressure transmission conduit 3, the pressure transmission conduit 3 of round spiral 33 contributes to the external force of scattered impact, prevents the inside gas of pressure transmission chamber 31
Body is moved to inside urethral catheterization chamber 11.
As in Figure 2-4, the pressure transmission conduit 3 connects end 331 with the junction of catheter main body 1 provided with arc, in special feelings
Under condition, enter urethral catheterization chamber 11 through pressure transmission chamber 31 if necessary to gas, then discharged by urine outlet 13, arc connection end 331 is helped
Discharged in gas by urine outlet 13, because arc connection end 331, which makes pressure transmission conduit 3 be connected opening direction with catheter main body 1, goes out urine
13 directions of mouth, gas is easier to the direction moving displacement of urine outlet 13.
As shown in Fig. 5,14, to prevent external impacts or vibration pressure transmission conduit 3, the outside of pressure transmission conduit 3 is provided with auxiliary
Protective case 34 is helped, the auxiliary protection set 34 is made of hard material, or flexible silica gel material is made, can also
It is wrapped in using air bag form outside pressure transmission conduit 3, with preventing the effect of external impacts pressure transmission conduit 3.
Embodiment 2：
As illustrated in figures 6-10, a kind of pressure measurement catheter, specific to be made of medical grade silicone material, agent structure includes：
Catheter main body 1 and manometric module 2, the catheter main body 1 are the tubulose of both ends open inner hollow, and the inner hollow is urethral catheterization chamber
11, the opening positioned at top is urine filling mouth 12, is provided with sacculus 17 in the downstream position of urine filling mouth 12, is positioned in after the sacculus 17 inflation
The neck of human bladder 80, auxiliary catheter is fixed on the inside of human bladder 80, and urine filling mouth 12 is located at people in use
Inside body bladder 80, it is mainly used in exporting the urine 81 inside bladder 80, to ensure that 80 inside urine of human bladder 81 is all led
Go out, multiple urine filling mouths 12 can be set in the apical position of catheter main body 1.The opening of the tail end of catheter main body 1 is urine outlet 13, described
Outer connector 16 is provided with urine outlet 13, for being connected with external urine memory unit.Provided with only at the tail end of catheter main body 1
Stream unit 15, the fluid stopping part 15 is the flow-stopping clip used on soft pipeline, and above-mentioned fluid stopping part 15 is used to control urethral catheterization chamber
11 break-make.
As shown in Fig. 6, Fig. 9, Figure 10, the manometric module 2 is located at the top of the fluid stopping part 15 of catheter main body 1, with can
The pressure measuring cavity 21 of pressure measurement part 6 is accommodated, the one end of manometric module 2 is connected with catheter main body 1, and pressure measuring cavity 21 is connected with urethral catheterization chamber 11
Logical, the other end, which is provided with pressure measurement opening 22, the pressure measurement opening 22, is provided with check valve 23, and the overall check valve 23 is in hollow duckbilled
Type, hollow cavity is valve pocket 231, and one end is sealed end 232, and the other end is openend 233, and the sealed end 232 of check valve 23 will
Pressure measuring cavity 21 is to outer closure, when the insertion end 611 of the probe segment 61 of pressure measurement part 6 runs through the check valve 23 of manometric module 2, unidirectionally
The sealed end 232 of valve 23 is in open mode, and the pressure measuring cavity 21 of manometric module 2 is connected with the probe chamber 610 of probe segment 61, described
The inside of 6 detection part of pressure measurement part 62 is provided with pressure sensor 621, display unit 622 and data processor 623, described to visit
The connection end 612 on head point 61 is connected with pressure sensor 621, the pressure change that the internal gas of pressure measuring cavity 21 is transmitted
The pressure sensor 621 of detection part 62 is transferred to through the probe chamber 610 of probe segment 61, pressure is received by data processor 623
The data of the collection of force snesor 621 are simultaneously handled, and transmit to display unit 622 display.The test section of pressure measurement part 6
62 inside are divided to be provided with wireless transmission component 624, the wireless transmission component 624 is connected with data processor 623, can be by data
The pressure data that reason part 623 is handled is sent to the data receiver part 4 of peripheral hardware, and the data receiver part 4 can be patient
Or mobile communication equipment, the computer of doctor etc..
As shown in figure 9, the manometric module 2 also includes shell 24 and snap part 25, the shell 24 is conformal to be wrapped in
Outside check valve 23, the outer wall of the inwall and check valve 23 of shell 24 is in sealing contact, and the shell 24 is into the axis of check valve 23
Heart direction compresses check valve 23, single when the insertion end 611 of the probe segment 61 of pressure measurement part 6 runs through the check valve 23 of manometric module 2
It is opened to the sealed end 232 of valve 23, the collection pressure data of pressure sensor 621 of detection part 62, when the probe portion of pressure measurement part 6
When points 61 insertion end 611 withdraws from the check valve 23 of manometric module 2, the sealed end 232 of the check valve 23 of manometric module 2 is by shell 24
Quick closedown is oppressed, prevents the internal gas of pressure measuring cavity 21 from escaping.The snap part 25 is arranged on shell 24 to the one of outward opening
End, prevents check valve 23 from deviating from from the inside of shell 24.
As shown in figure 8, in particular cases, pressure transmission chamber 31, the internal gas of pressure measuring cavity 21 are all escaped, human urine 81 can lead to
Cross the pressure transmission chamber 31 of pressure transmission conduit 3 to flow to the direction of 2 pressure measuring cavity of manometric module 21, in order to prevent the pollution of urine 81 to be used for multiple times and valency
The high pressure measurement part 6 of lattice, is provided with the hydrophobic component 71 of gas-permeable, liquid-impermeable between manometric module 2 and pressure transmission conduit 3, described to dredge
Wet part 71 prevents liquid from being flowed to by pressure transmission chamber 31 in the pressure measuring cavity 21 of manometric module 2, using the polytetrafluoro of gas-permeable, liquid-impermeable
Vinyl film is made, and when pressure transmission chamber 31 and the loss of the inner air of pressure measuring cavity 21, when urine 81 is full of pressure transmission chamber 31, can prevent urine
81 pollute pressure measurement part 6 through hydrophobic component 71.The hydrophobic component 71 can specifically be located in the pressure transmission chamber 31 of pressure transmission conduit 3
Portion, or positioned at the end of pressure transmission conduit 3 and the junction of manometric module 2, independent holding shell 7 can also be set to accommodate the hydrophobic portion
Part 71.As shown in figure 8, inside holding shell 7, resistance bacterium part 72, institute are additionally provided between the hydrophobic component 71 and manometric module 2
State resistance bacterium part 72 to be made of medical bacteriological filtration membrane material, led with preventing that outside contamination bacterium from entering through pressure measuring cavity 21, pressure transmission chamber 31
Urinate the effect of chamber 11, reduction human urethra 84, the exogenous infection probability of bladder 80.
As shown in figure 14, pressure transmission conduit 3 is connected with three-way connection 14 for convenience, or in order to extend manometric module 2 with
The distance between catheter main body 1, facilitates medical personnel to measure the pressure inside bladder 80, can also be in pressure transmission conduit 3 and threeway
Connecting tube 18 is set between joint 14, pressure transmission chamber 31 and urethral catheterization chamber 11 are connected using the connecting tube 18 of adjustable in length.It is described to pass
It is round spiral 33 to press the whole installation of conduit 3, and bending disk is located on support column 26, and outside is provided with the auxiliary protection of airbag form
Set 34, auxiliary protection set 34 is made of soft rubber material, can effectively be protected pressure transmission conduit 3 not by external impacts, is located at
The end of pressure transmission conduit 3 and the junction of manometric module 2 are provided with hydrophobic component 71, and urine 81 can be prevented to pass through hydrophobic component 71
Pollute pressure measurement part 6.The check valve 23 is located at the inside that shell 24 and snap part 25 are wrapped up, the insertion end of pressure measurement part 6
611 run through check valve 23, and probe chamber 610 is connected with pressure measuring cavity 21.In another case, it can be set in the outer wall of snap part 25
External screw thread is put, is engaged with the internal thread set on pressure measurement part 6, similar to female Luer structure, screw thread rotation is opened unidirectional
Valve 23, makes probe chamber 610 be connected with pressure measuring cavity 21.
Pressure measurement catheter male patient uses process, as shown in figure 15, the first step, and pressure measurement catheter per urethra 84 is inserted,
Catheter main body 1 enters from penis portion urethra 85, by more narrow membranous urethra 83, then passes through prostatic urethra 82,
Eventually enter into inside human bladder 80, specifically, the urine filling mouth 12 on the top of catheter main body 1 enters inside human bladder 80, urine
81 enter urethral catheterization chamber 11 through urine filling mouth 12.When urine 81 flows to fluid stopping part 15, close fluid stopping part 15 and block urethral catheterization chamber
11, urine 81 stops flowing, and the communicating valve 5 being now placed between manometric module 2 and hydrophobic component 71 is closed, manometric module 2
Check valve 23 is closed, and the air inside pressure transmission chamber 31 and pressure measuring cavity 21 can not escape to the external world, the urine in bladder 80
Air inside 81 compression pressure transmission chambers 31 and pressure measuring cavity 21；Second step, runs through check valve using the insertion end 611 of pressure measurement part 6
23, communicating valve 5 is then opened, the pressure transmission chamber 31 of the both sides of communicating valve 5 is connected, the pressure in bladder 80 is using air through pressure transmission chamber
31 and pressure measuring cavity 21 transmission put pressure measurement part 6, the pressure measurement part 6 is monitored after the pressure of bladder 80, on display unit 622 show
Show, and sent using wireless transmission component 624 to outside data receiver part 4, so that medical personnel check.To ensure urine
Liquid 81 will not pollute pressure measurement part 6, and hydrophobic component 71 is provided with inside holding shell 7, and the hydrophobic component 71 can prevent urine 81
Pass through, prevent urine 81 from entering the insertion end 611 of pressure measurement part 6, and then pollute pressure sensor 621；Equally, it is outer in order to ensure
Boundary germ will not enter inside urethral catheterization chamber 11 through pressure transmission chamber 31 and pressure measuring cavity 21, cause the up sexuality of urethra 84 and bladder 80
Dye, provided with resistance bacterium part 72 inside holding shell 7, the resistance bacterium part 72 is arranged on the downstream side of hydrophobic component 71, will not be urinated
Liquid 81 pollutes.As shown in figure 16, the 3rd step, when, it is necessary to when detaching pressure measurement part 6, closing communicating valve 5 after the completion of pressure measurement, will survey
The insertion end 611 of splenium part 6 is pulled out from check valve 23, and now check valve 23 is closed automatically, is opened fluid stopping part 15 and is arranged
Urine, urine 81 is discharged through urine filling mouth 12 through urethral catheterization chamber 11 from urine outlet 13.Above-mentioned communicating valve 5 includes communicating valve valve casing 51 and connected
Valve element 52, when pressure measurement part 6 is detached inside check valve 23, because the internal gas of pressure measuring cavity 21 is compressed and pressure measurement part 6
The negative pressure produced when detaching, quickly escapes in making gap of the inner air of pressure measuring cavity 21 between check valve 23 and pressure measurement part 6
Ease, causes the moment of urine 81 to be full of pressure transmission chamber 31 or pressure measuring cavity 21, in order to ensure that the air inside pressure measuring cavity 21 stays in pressure measurement
Inside chamber 21, communicating valve 5 is closed, the both sides of communicating valve 5 are truncated, now detach pressure measurement part 6, make the air inside pressure measuring cavity 21
Stay in inside pressure measuring cavity 21, be next time using offering convenience.Pressure measurement catheter female patient application method substantially ibid, because of female
Property urethra is shorter, and the pressure measurement catheter may be configured as plurality of specifications according to length difference, and patient convenient for female uses.
Claims (12)
1. a kind of pressure measurement catheter, including：
Catheter main body（1）, the catheter main body（1）For the tubulose of both ends open inner hollow, the inner hollow is urethral catheterization chamber
（11）, the opening positioned at top is urine filling mouth（12）, it is urine outlet positioned at the opening of tail end（13）, close to catheter main body（1）Tail
Fluid stopping part is provided with end（15）, the fluid stopping part（15）Control urethral catheterization chamber（11）Break-make；
Manometric module（2）, the manometric module（2）Positioned at catheter main body（1）Fluid stopping part（15）Top, with survey can be accommodated
Splenium part（6）Inner hollow, the inner hollow be pressure measuring cavity（21）, manometric module（2）One end and catheter main body（1）Connection,
Pressure measuring cavity（21）With urethral catheterization chamber（11）It is connected, the other end is provided with pressure measurement opening（22）, the pressure measurement opening（22）To outer closure；
Characterized in that, the manometric module（2）At least one pressure transmission conduit of upper connection（3）, the pressure transmission conduit（3）Positioned at survey
Die block（2）With catheter main body（1）Between, overall is in the tubulose of both ends open inner hollow, one end and catheter main body（1）Even
Connect, the other end and manometric module（2）Connection, the inner hollow is pressure transmission chamber（31）, the pressure transmission chamber（31）By catheter main body（1）
Urethral catheterization chamber（11）With manometric module（2）Pressure measuring cavity（21）Connection, the pressure transmission conduit（3）Length in 30mm to 200mm
Between, pressure transmission chamber（31）Cavity internal diameter in 0.5mm between 4mm；The manometric module（2）Pressure measurement opening（22）Place is provided with
Check valve（23）, the check valve（23）To external seal manometric module（2）Pressure measurement opening（22）, make manometric module（2）Pressure measuring cavity
（21）Internal gas can not be through pressure measurement opening（22）Discharge.
2. pressure measurement catheter according to claim 1, it is characterised in that at least two pressure transmission conduits（3）Parallel arranged group
Close, one end and catheter main body after combination（1）Connection, the other end and manometric module（2）Connection, at least two pressure transmission chambers（31）It will lead
Pipe main body（1）Urethral catheterization chamber（11）With manometric module（2）Pressure measuring cavity（21）Connection.
3. pressure measurement catheter according to claim 1, it is characterised in that the pressure transmission conduit（3）Pressure transmission chamber（31）Quilt
It is divided at least two small sized pipelines（32）, the small sized pipeline（32）By catheter main body（1）Urethral catheterization chamber（11）With manometric module
（2）Pressure measuring cavity（21）Connection.
4. pressure measurement catheter according to claim 1, it is characterised in that the pressure transmission conduit（3）Rounded helical form
（33）, round spiral（33）One end and catheter main body（1）Connection, round spiral（33）The other end and manometric module
（2）Connection.
5. according to any described pressure measurement catheters of claim 1-4, it is characterised in that the pressure transmission conduit（3）Outside is provided with
Auxiliary protection set（34）, the auxiliary protection set（34）It is set in pressure transmission conduit（3）Outside, prevents external impacts pressure transmission conduit（3）.
6. pressure measurement catheter according to claim 5, it is characterised in that the pressure transmission conduit（3）With catheter main body（1）Even
Meet place and connect end provided with arc（331）, the arc connection end（331）Extended line and catheter main body（1）Top orientation axis
Angle be acute angle, with catheter main body（1）The angle of tail end azimuth axis is obtuse angle.
7. pressure measurement catheter according to claim 6, it is characterised in that the also hydrophobic component including gas-permeable, liquid-impermeable
（71）, the hydrophobic component（71）Positioned at manometric module（2）With pressure transmission conduit（3）Between.
8. pressure measurement catheter according to claim 7, it is characterised in that also including communicating valve（5）, the communicating valve（5）
Positioned at manometric module（2）With hydrophobic component（71）Between, communicating valve（5）Close, communicating valve（5）The pressure transmission chamber of both sides（31）Cut
It is disconnected, communicating valve（5）Open, communicating valve（5）The pressure transmission chamber of both sides（31）It is connected.
9. pressure measurement catheter according to claim 8, it is characterised in that the check valve（23）Overall is in hollow duckbilled
Type, hollow cavity is valve pocket（231）, one end is sealed end（232）, the other end is openend（233）, check valve（23）Sealing
End（232）By pressure measuring cavity（21）To outer closure.
10. pressure measurement catheter according to claim 9, it is characterised in that the manometric module（2）Also include shell（24）
And snap part（25）, the shell（24）It is conformal to be wrapped in check valve（23）Outside, shell（24）Inwall and check valve
（23）Outer wall it is in sealing contact；The snap part（25）It is arranged on shell（24）To one end of outward opening.
11. according to any described pressure measurement catheters of claim 6-10, it is characterised in that also including pressure measurement part（6）, it is described
Pressure measurement part（6）Including probe segment（61）And detection part（62）, the probe segment（61）For hollow tubulose, one end is slotting
Enter end（611）, the other end is connection end（612）, cannulated is probe chamber（610）, the detection part（62）Inside is provided with pressure
Force snesor（621）, display unit（622）And data processor（623）, the data processor（623）Receive pressure
Sensor（621）The data of collection are handled, and are transmitted to display unit（622）Upper display, the probe segment（61）'s
Connection end（612）With pressure sensor（621）It is connected, the pressure measurement part（6）Probe segment（61）Insertion end（611）Pass through
Wear manometric module（2）Check valve（23）, pressure measuring cavity（21）The pressure change that internal gas is transmitted is through probe segment（61）Visit
Head cavity（610）It is transferred to detection part（62）Pressure sensor（621）.
12. pressure measurement catheter according to claim 11, it is characterised in that the pressure measurement part（6）Also include two lists
To aeration valve（613）And flexible pipe（614）, described two one-way gas-compensating valves（613）It is located at flexible pipe respectively（614）Two ends, with flexible pipe
（614）Sealing connection, an one-way gas-compensating valve（613）With probe segment（61）Probe chamber（610）It is connected, another unidirectional benefit
Air valve（613）It is connected with the external world, squeezing tube（614）, the unidirectional tonifying Qi entrance probe chamber of ambient atmos（610）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281828.XU CN206577223U (en) | 2016-11-28 | 2016-11-28 | A kind of pressure measurement catheter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281828.XU CN206577223U (en) | 2016-11-28 | 2016-11-28 | A kind of pressure measurement catheter |
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| Publication Number | Publication Date |
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| CN206577223U true CN206577223U (en) | 2017-10-24 |
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| CN201621281828.XU Withdrawn - After Issue CN206577223U (en) | 2016-11-28 | 2016-11-28 | A kind of pressure measurement catheter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108114359A (en) * | 2016-11-28 | 2018-06-05 | 北京万生人和科技有限公司 | A kind of pressure measurement catheter |
| CN112023236A (en) * | 2020-09-24 | 2020-12-04 | 重庆知遨科技有限公司 | A device of dosing for urological department |
| CN112043943A (en) * | 2020-09-24 | 2020-12-08 | 重庆知遨科技有限公司 | Catheter for urological department |
| CN114040792A (en) * | 2019-06-26 | 2022-02-11 | 科洛普拉斯特公司 | Intermittent catheter assembly including sensor element |
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2016
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114359A (en) * | 2016-11-28 | 2018-06-05 | 北京万生人和科技有限公司 | A kind of pressure measurement catheter |
| CN108114359B (en) * | 2016-11-28 | 2024-02-06 | 北京万生人和科技有限公司 | Pressure measuring catheter |
| CN114040792A (en) * | 2019-06-26 | 2022-02-11 | 科洛普拉斯特公司 | Intermittent catheter assembly including sensor element |
| CN112023236A (en) * | 2020-09-24 | 2020-12-04 | 重庆知遨科技有限公司 | A device of dosing for urological department |
| CN112043943A (en) * | 2020-09-24 | 2020-12-08 | 重庆知遨科技有限公司 | Catheter for urological department |
| CN112023236B (en) * | 2020-09-24 | 2022-12-30 | 江苏护理职业学院 | A device of dosing for urological department |
| CN114404716A (en) * | 2022-02-24 | 2022-04-29 | 天津市第四中心医院 | Joint nursing device for surgical nursing |
| CN116785558A (en) * | 2023-08-29 | 2023-09-22 | 深圳麦普奇医疗科技有限公司 | Contrast catheter and intra-urethral interventional contrast system |
| CN116785558B (en) * | 2023-08-29 | 2023-11-21 | 深圳麦普奇医疗科技有限公司 | Contrast catheter and intra-urethral interventional contrast system |
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