CN206342470U - Pressure measuring catheter for digestive system - Google Patents

Abstract

The utility model discloses a kind of pressure measuring catheter for digestive system, it is related to clinical treatment technique with the apparatus field.The supporting table that it includes main pipe, is fixed on the expanded capsule of main pipe's interior forward end, is fixed on main pipe rear end；Main pipe's outer wall is uniformly provided with the C-channel along generatrix direction in a circumferential direction；Pressure-measuring pipe is slidably connected with C-channel；The front end of pressure-measuring pipe is stretched out out of C-channel, and rear end slides through supporting table；Main pipe's external rear wall is socketed with locking strap；Clamping screw is installed on locking strap；Main pipe is internally provided with intrusion pipe；Described intrusion pipe front end is connected with expanded capsule, and rear end passes through supporting table.The beneficial effects of the utility model are：It can freely control to change pressure tap, improve measurement accuracy, and front end sets hemispherical ends lid to play a protective role, when stretching into patients with respiratory tract, the damage that expanded capsule can be avoided to be caused with wall friction in respiratory tract to patient.

Description

Pressure measuring catheter for digestive system

Technical field

The utility model is related to clinical treatment technique with the apparatus field.

Background technology

Having many diseases on current clinical medicine is had with gi system motor disorders and the change of stomach and intestine skill hormonal readiness Close, and be used to check that the means of this kind of disease of diagnosis are limited.Current most common means are led using the connection of porous pressure-measuring pipe Measuring cell detects the pressure change of intestines and stomach, but its pressure tap is limited, and pressure measurement precision is low.In addition, retrieval finds Shen Please number be 200520122931.5 Chinese patent application, although pressure-measuring pipe is improved, but still there is pressure tap not Can freely it control, when influenceing measurement accuracy, stretching into intestines and stomach, front end capsule and wall friction in people digest road may be to patients The problems such as causing damage.A kind of pressure measuring catheter for digestive system is we disclosed for this effectively to solve the above problems.

Utility model content

Technical problem to be solved in the utility model, is that there is provided a kind of Digestive for above-mentioned technical deficiency System pressure catheter, it can freely control to change pressure tap, improve measurement accuracy, and front end sets hemispherical ends lid to play guarantor Shield is acted on, when stretching into patients with respiratory tract, the damage that expanded capsule can be avoided to be caused with wall friction in respiratory tract to patient.

The technical solution adopted in the utility model is：A kind of pressure measuring catheter for digestive system is provided, including main pipe, is fixed on The expanded capsule of main pipe's interior forward end, the supporting table for being fixed on main pipe rear end；Main pipe's outer wall is uniform in a circumferential direction It is provided with the C-channel along generatrix direction；Pressure-measuring pipe is slidably connected with C-channel；The front end of pressure-measuring pipe is stretched out out of C-channel, Rear end slides through supporting table；Main pipe's external rear wall is socketed with locking strap；Clamping screw is installed on locking strap；In main pipe Portion is provided with intrusion pipe；Described intrusion pipe front end is connected with expanded capsule, and rear end passes through supporting table；The rotating shaft of main pipe front end connects It is connected to hemisphere end cap；Described hemisphere end cap coordinates with main pipe's grafting；Described pressure-measuring pipe and intrusion pipe rear end is respectively connected with Pipe joint.

Further optimize the technical program, the main pipe of pressure measuring catheter for digestive system is internally provided with relief tube；Relief tube On overflow valve is installed；Relief tube front end is connected with expanded capsule, and rear end passes through supporting table.

Further optimize the technical program, main pipe's outer wall of pressure measuring catheter for digestive system is provided with scale.

Further optimize the technical program, the pressure-measuring pipe rear portion outer wall label of pressure measuring catheter for digestive system.

The utility model is compared with traditional digestive system pressure tester, and its advantage is：

1st, main pipe can extend into patient's gastrointestinal tract, and the hemispherical ends lid of front end plays a protective role, it is to avoid damaged when stretching into Hinder the alimentary canal of patient；Main pipe's outer wall, which is provided with to slide in C-channel, C-channel, sets pressure-measuring pipe, can freely change pressure tap position Put, the perfusion to digestive system, diagnosis gastrointestinal motility function etc. can also be realized by pressure-measuring pipe；Expanded capsule can expand with Sealing function is played in the contact of people digest road, while fixation is played to the utility model, it is each in order to measure digestive system The pressure change at place.

2nd, overflow valve is installed on relief tube, the pressure of expanded capsule can be reduced automatically.

3rd, the scale of main pipe's outer wall can show that position of the present utility model and measurement point position change degree.

4th, the label of pressure measurement pipe outer wall can distinguish each pressure-measuring pipe, be easy to the identification in operating process.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is working state structure schematic diagram of the present utility model；

Fig. 3 is partial structural diagram of the present utility model；

Fig. 4 is partial structurtes decomposing schematic representation of the present utility model；

In figure, 1, main pipe；2nd, expanded capsule；3rd, supporting table；4th, C-channel；5th, pressure-measuring pipe；6th, locking strap；7th, locking screw Bolt；8th, intrusion pipe；9th, hemisphere end cap；10th, pipe joint；11st, relief tube；12nd, overflow valve；13rd, scale.

Embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

As Figure 1-4, pressure measuring catheter for digestive system, including main pipe 1, the expansion for being fixed on the interior forward end of main pipe 1 Capsule 2, the supporting table 3 for being fixed on the rear end of main pipe 1；The outer wall of main pipe 1 is uniformly provided with the C along generatrix direction in a circumferential direction Shape groove 4；Pressure-measuring pipe 5 is slidably connected with C-channel 4；The front end of pressure-measuring pipe 5 is stretched out out of C-channel 4, and rear end slides through Supporting table 3；The external rear wall of main pipe 1 is socketed with locking strap 6；Clamping screw 7 is installed on locking strap 6；The inside of main pipe 1 is set There is intrusion pipe 8；The described front end of intrusion pipe 8 is connected with expanded capsule 2, and rear end passes through supporting table 3；The front end rotating shaft of main pipe 1 connects It is connected to hemisphere end cap 9；Described hemisphere end cap 9 coordinates with the grafting of main pipe 1；Described pressure-measuring pipe 5 and the rear end of intrusion pipe 8 connects It is connected to pipe joint 10；Main pipe 1 is internally provided with relief tube 11；Overflow valve 12 is installed on relief tube 11；The front end of relief tube 11 Connected with expanded capsule 2, rear end passes through supporting table 3；The outer wall of main pipe 1 is provided with scale 13；The rear portion outer wall of pressure-measuring pipe 5 posts mark Label.

When carrying out pressure measurement operation to digestive system, the utility model is stretched into patient's gastrointestinal tract, now, expansion Capsule 2 is in inside main pipe 1, and the hemisphere end cap 9 of the front end of main pipe 1 is in the front of expanded capsule 2, and hemisphere end cap 9 is now inserted The front end of main pipe 1 is connected on, the design of hemisphere end cap 9 scratches patient's stomach and intestine inwall, played a protective role when can avoid stretching into； It is afterwards that expanded capsule 2 is inflated or topping up by intrusion pipe 8, expanded capsule 2 expands, the top of hemisphere end cap 9 in front is opened, half Ball end cap 9 is extruded to side by rotating shaft, because the sphere of hemisphere end cap 9 is contacted with alimentary canal during this, so will not Alimentary canal inwall is injured, now expanded capsule 2 is contacted with alimentary canal inwall, plays sealing fixation, afterwards can be by surveying Pressure pipe 5 carries out pressure measurement to ad-hoc location in people digest road, in the expansion process of expanded capsule 2, excessive in order to avoid expanding, right People digest road is damaged, and prevents from causing the script pressure in people digest road change, influences pressure measurement process.This reality Overflow valve 12 on pressure of the relief tube 11 so as to venting expanded capsule 2 with new design, relief tube 11 is according to the reality of patient Border situation setting pressure threshold, when expanded capsule 2 reaches pressure threshold, overflow valve 12 is opened, the gas in expanded capsule 2 Body or liquid are discharged by relief tube 11, are achieved the goal.

Pressure-measuring pipe 5 is slided in C-channel 4, because being the part progress pressure measurement stretched out by the front end of pressure-measuring pipe 5 from C-channel 4 Operation, so can freely change the position of measurement point, it is to avoid the problem of pressure measurement is inaccurate caused by the limited setting of pressure tap, Substantially increase the accuracy of pressure measurement；It can show the utility model in people digest road by the scale 13 on main pipe 1 Position, and can show the position of pressure measurement, can be to the pressure measurement on main pipe 1 to the locking of locking strap 6 by clamping screw 7 Positioning is fixed in pipe 5；Pressure-measuring pipe 5 and the rear end of intrusion pipe 8 are connected by pipe joint 10 with corresponding instrument, realize pressure measurement, filling The processes such as note, pressure-measuring pipe 5 can be connected from different instruments.The different operating beyond pressure measurement is realized, such as can connect medicament Bottle is the injection of people digest road by pressure-measuring pipe 5；The outer wall label of pressure-measuring pipe 5, enables medical personnel to distinguish each pressure measurement Pipe 5, it is to avoid be hard to tell when each pressure-measuring pipe 5 carries out different operating time zone.

Claims (4)

1. a kind of pressure measuring catheter for digestive system, it is characterised in that：Including main pipe（1）, be fixed on main pipe（1）Interior forward end Expanded capsule（2）, be fixed on main pipe（1）The supporting table of rear end（3）；Main pipe（1）Outer wall is uniformly provided with a circumferential direction Along the C-channel of generatrix direction（4）；C-channel（4）Inside it is slidably connected with pressure-measuring pipe（5）；Pressure-measuring pipe（5）Front end from C-channel （4）Interior to stretch out, rear end slides through supporting table（3）；Main pipe（1）External rear wall is socketed with locking strap（6）；Locking strap（6）On Clamping screw is installed（7）；Main pipe（1）It is internally provided with intrusion pipe（8）；Described intrusion pipe（8）Front end and expanded capsule （2）Connection, rear end passes through supporting table（3）；Main pipe（1）Front end rotating shaft is connected with hemisphere end cap（9）；Described hemisphere end cap （9）With main pipe（1）Grafting coordinates；Described pressure-measuring pipe（5）And intrusion pipe（8）Rear end is respectively connected with pipe joint（10）.

2. pressure measuring catheter for digestive system according to claim 1, it is characterised in that：Main pipe（1）It is internally provided with pressure release Pipe（11）；Relief tube（11）On overflow valve is installed（12）；Relief tube（11）Front end and expanded capsule（2）Connection, rear end is passed through Supporting table（3）.

3. pressure measuring catheter for digestive system according to claim 1, it is characterised in that：Main pipe（1）Outer wall is provided with scale （13）.

4. pressure measuring catheter for digestive system according to claim 1, it is characterised in that：Pressure-measuring pipe（5）Rear portion outer wall posts mark Label.