CN112007261B - Bladder medicine feeder for obstetrics and gynecology department - Google Patents

Abstract

The utility model discloses a bladder medicine feeder for obstetrics and gynecology department, which belongs to the technical field of medical instruments and comprises a catheter and a medicine feeding port; the outer wall of the catheter is formed with a drug delivery tube head; an elastic film is formed at the front end of the catheter; the tail end of the elastic film is formed with an elastic connecting ring; a plurality of elastic supporting rods are fixedly connected to the outer side of the elastic film; the catheter is provided with an opening part which can enable the front end of the elastic supporting rod to move outwards; the elastic film is unfolded to receive urine flowing out of the ureter opening. The utility model can make the medicine or the cleaning fluid directly act on the inner wall of the bladder, and is provided with the anti-falling air bag, thereby being capable of preventing the catheter from accidentally sliding out of the body in the process of intubation.

Description

An obstetrics and gynecology bladder drug delivery device

technical field

The invention belongs to the technical field of medical devices, and in particular relates to an obstetrics and gynecology bladder drug delivery device.

Background technique

The Chinese patent document with the document number CN209033506U discloses that the utility model discloses a bladder medicine dosing device, which includes a tube body, a balloon, a urination interface, a drug adding interface and an inflation interface; the balloon is connected with the side wall of the tube body; The body has a urination channel, an inflation channel, a drug addition channel, a urination port and a drug outlet; the urination channel is respectively communicated with the urination port and the urination interface, the inflation channel is respectively communicated with the balloon and the inflation interface, and the dosing channel is respectively connected with the dosing port. The interface is communicated with the drug outlet; wherein, the drug outlet and the catheterization port are respectively located on the upper side and the lower side of the balloon. The utility model can effectively administer medicine to the bladder orifice of a patient, is easy to manufacture, and has low manufacturing cost.

However, for patients with severe disease, the urethral opening is accompanied by swelling and inflammation, and the catheter cannot be inserted, which increases the difficulty of treatment; in addition, patients with severe disease are often accompanied by inflammation and ulceration of the lesions in the bladder, requiring surgery. Intervention to isolate the urine pollution in the bladder for treatment, the above-mentioned patents cannot meet the needs of use.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: aiming at the deficiencies in the prior art, to provide an indwelling in the patient's body, which can make the urine flowing out of the ureteral orifice to be directly discharged from the body without passing through the bladder, and at the same time has the function of stopping the detachment. Medicated urinary catheter.

In order to achieve the purpose of the present invention, the following technical solutions are used to achieve: a gynecological and obstetrics bladder drug delivery device, comprising a urinary catheter and a drug delivery port formed on the outer wall of the urinary catheter near the front end; the urinary catheter Near the rear end of the outer wall, a drug delivery tube head communicated with the drug delivery port is formed.

The front end of the catheter is formed with an elastic film; the end of the elastic film is formed with an elastic connecting ring 1; the outer side of the elastic film is uniformly fixed and connected with a plurality of elastic support rods along the axis of the catheter; the elastic support rods The two ends are respectively fixedly connected with the elastic connecting ring 1 and the connection between the urinary catheter and the elastic film.

The urinary catheter is provided with a spreading portion capable of moving the front end of the elastic support rod to the outside.

In a natural state, the elastic support rods are parallel to each other and are in close contact with each other, and the urinary catheter can be inserted into the bladder.

When the front end of the elastic support rod moves to the outside, the elastic film can be expanded to abut against the inner wall of the bladder and receive the urine flowing out of the ureteral orifice.

As a preferred solution: the opening portion includes a second connecting ring that is slidably sleeved on the outer wall of the urinary catheter along the axis of the urinary catheter and is close to the front end of the urinary catheter; the front end of the second connecting ring is evenly and fixedly connected There are the same number of second linkage parts as the elastic support rods; the front ends of the second linkage parts are respectively fixedly connected with the front ends of the elastic support rods.

The two rear ends of the connecting ring are fixedly connected with a symmetrically arranged first linkage part; the rear end of the first linkage part is fixedly connected with a push-pull tube; the push-pull tube is close to the drug delivery port and along the axis of the catheter The sliding sleeve is connected to the outer wall of the urinary catheter.

When the elastic support rods are parallel to each other and are in close contact with each other, the push-pull tube is located at the front end limit position; when the push-pull tube slides backward, it passes through the first linkage part, the second connecting ring, the second The two linkage parts are driven, so that the front end of the elastic support rod moves to the outside.

As a preferred solution: the front part of the outer wall of the urinary catheter is formed with an anti-detachment airbag behind the drug delivery port; the outer wall of the urinary catheter is formed with a tracheal tube head that communicates with the inside of the anti-detachment airbag near the rear end.

When there is no gas in the anti-detachment balloon, the anti-detachment balloon can be inserted into the bladder together with the urinary catheter.

When gas is injected into the anti-detachment balloon through the airway head, the anti-detachment balloon is inflated and the inflated diameter is larger than the diameter of the surgical opening of the bladder, and can be stuck in the bladder.

As a preferred solution: the front part of the outer wall of the urinary catheter is formed with a drain port between the drug delivery port and the anti-detachment airbag; the outer wall of the urinary catheter is formed with a drain port near the rear end. drain pipe head.

Compared with the prior art, the present invention has the following beneficial effects: in the initial state, the elastic support rods are parallel and close to each other; the elastic film is in a state of natural shrinkage, smooth and without wrinkles; there is no gas in the anti-detachment airbag; Location.

When using this product, select the appropriate product specification according to the actual physiological condition of the patient and the size of the bladder. The relative position of the anti-detachment airbag and the elastic film of this product is divided into various specifications. Wear sterile gloves on both hands, sterilize the product and make corresponding preparations, and insert the urine bag plug into the back end of the catheter. Remove the elastic rubber stopper installed on the drainage tube head, and place the corresponding liquid container at the lower end of the drainage tube head, perform surgery on the patient, and open the upper part of the bladder, the diameter of the opening is just enough to allow the catheter to penetrate. Hold the hemostatic forceps in the hand to hold the catheter so that the front end of the catheter is inserted into the surgical opening of the bladder, and slowly push the catheter inward, the urine in the bladder will flow into the drainage port, and then into the drainage tube, and then the urine will flow through the drainage tube. The tube head flows into the liquid container, and continues to advance slowly until there is obvious resistance and then stops advancing. After no urine flows out of the drainage tube head, the urine in the bladder is basically drained out, and the elastic rubber plug is re-plugged.

Keep the position of the catheter relatively fixed, and pull the push-pull tube backward to the limit position, so that the push-pull tube drives the first linkage part, the second connecting ring and the second linkage part to move to the rear end in turn. The second linkage part will pull the elastic connecting ring 1 to move toward the rear end, and at the same time, the front end of the elastic support rod moves to the outside. The diameter of the elastic connecting ring 1 is smaller than the diameter of the connecting ring 2, so that the front end of the elastic support rod has an outward component force, and at the same time elastic The support rod has a certain elasticity, and when the elastic support rod is pulled, the front end of the elastic support rod moves to the outside without causing the catheter to withdraw from the bladder backwards. The elastic film and the elastic connecting ring are elastically deformed outward to a funnel shape under the pulling of the elastic support rod, keep the position of the push-pull tube and the catheter relatively fixed, and push the catheter inward, so that the elastic film is in contact with the inner wall of the bladder and can be Undertake urine from the ureteral orifice. At this time, the urine flowing out of the ureteral orifice will enter the catheter through the funnel-shaped elastic film, and then be discharged into the urine bag through the urine bag plug. The urine will not be accumulated in the bladder, and the injected medicine will not be contaminated and diluted. , which is conducive to the precise medication and cleaning of the bladder.

At this time, the anti-detachment airbag also enters the bladder and is close to the surgical opening of the bladder, and the sealing mouth is opened, so that the gas enters the airway through the airway head and the airway in turn into the airway, so that the airbag is inflated until it can be clamped in the bladder. surgical opening. The volume of the anti-detachment balloon is larger than the surgical opening, which can prevent the catheter from slipping out of the body and seal the bladder, preventing the fluid in the bladder from flowing out to other tissues in the body, and avoiding the pain caused by the second intubation to the patient again. Loosen the push-pull tube and the urinary catheter, the elastic force of the elastic connecting ring 1 will make the elastic connecting ring 1 move forward relative to the urinary catheter, the anti-detachment airbag will move backward until it is tight against the opening of the bladder operation, and the elastic film will shrink but still be in contact with the bladder. The walls are against each other and are able to receive urine from the ureteral orifice.

The needle of the syringe penetrates the elastic rubber stopper in the dosing tube head, so that the needle enters the dosing tube head, the liquid in the syringe can be pushed into the dosing tube, and then enters the bladder through the dosing port, making the medicine easier enter and act on the affected area. It is also possible to remove the elastic rubber plugs in the dosing tube head and the drainage tube head, inject sterile water into the dosing tube through the dosing tube head, and then enter the bladder through the dosing port to clean the bladder. Then, the sterile water after cleaning and use is led out through the drain pipe, and flows out of the body through the drain pipe head. After the cleaning is completed, the corresponding elastic rubber plug is re-covered into the drug delivery pipe head and the liquid drain pipe head.

When taking out this product, open the sealing nozzle to completely discharge the gas in the airbag. Push the push-pull tube to the front end to the extreme position, the elastic film and the elastic connecting ring return to the initial state under the elastic action, and the elastic support rods return to parallel and close to each other under the elastic action of the elastic connecting ring and itself. Wrap the catheter with gauze, pull it out, and put it in the treatment bowl.

Through the design of the urinary catheter, the invention enables the urinary catheter to be inserted into the bladder, so that urine can be discharged; meanwhile, the medicine or clean water can be directly reached the affected part above the ureteral orifice on the outer side of the elastic film package through the drug delivery tube, which is beneficial to Treatment and cleansing of the affected area.

The invention adopts the design of the elastic film, so that when the elastic film is in a natural state, it smoothly fits with the elastic support rods that are parallel and close to each other, and can be inserted into the bladder along with the catheter; Drive the first linkage part, the second connecting ring, and the second linkage part, the second linkage part will pull the elastic connecting ring 1 to the outside, so that the front end of the elastic support rod moves to the outside, and then the elastic film is opened. The bladder wall is against each other and receives the urine flowing out of the ureteral orifice, so that the urine can be directly discharged from the body through the catheter and will not accumulate in the bladder, which is conducive to direct medication or cleaning in the bladder.

Through the design of the anti-removal airbag, the invention can insert the anti-removal airbag into the bladder along with the catheter in the natural state, and when the air is injected into the airway through the airway, the anti-removal airbag can be inflated until it is clamped with the surgical opening, preventing the catheter from being guided. The urinary catheter slipped out of the body.

The invention can make the medicine or the cleaning solution directly act on the inner wall of the bladder, which is beneficial to the absorption of the medicine in the affected area and improves the therapeutic effect; the invention is provided with an anti-shedding airbag, which can prevent the urinary catheter from accidentally slipping out of the body during the intubation process, reducing the number of patients The present invention can make the urine flowed out of the ureteral orifice to be directly discharged from the body through the catheter, and will not accumulate in the bladder, and will not cause pollution to the medicinal liquid and simultaneously clean the bladder during direct medication or cleaning in the bladder. The effect is better, which is conducive to the full play of the drug effect, accelerates the treatment speed of the patient, and reduces the pain of the patient.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic cross-sectional structure diagram of the present invention.

Figure 3 is a schematic diagram of the exploded structure of the present invention.

FIG. 4 is a schematic cross-sectional structural diagram of the opening portion of the present invention.

Fig. 5 is a cross-sectional structural schematic diagram of the liquid discharge pipe of the present invention.

FIG. 6 is a schematic cross-sectional structural diagram of the airway and the drug delivery tube of the present invention.

10. Urinary catheter; 101. Anti-detachment balloon; 102. Elastic film; 1021. Elastic connecting ring 1; 1022. Elastic support rod; 103. Airway tube; Drug tube head; 1042, drug administration port; 105, drain pipe; 1051, drain pipe head; 1052, liquid drain port; 11, opening part; 111, push-pull tube; 112, first linkage part; 113, connection Ring two; 114, the second linkage part; 2, elastic rubber plug; 3, sealing mouth; 4, urine bag plug; A, bladder; B, ureteral orifice.

Detailed ways

As shown in FIGS. 1 to 6 , an obstetrics and gynecology bladder drug delivery device described in this embodiment includes a urinary catheter 10 and a drug delivery port 1042 formed on the outer wall of the urinary catheter 10 near the front end; An administration tube head 1041 communicating with the administration port 1042 is formed on the outer wall of the urinary catheter 10 near the rear end.

The rear end of the urinary catheter 10 is detachably sealed and plugged with a urine bag plug 4; the urine bag plug 4 is connected to the urine bag, and the urine flowing out of the urinary catheter 10 flows into the urine bag for easy sampling, testing and discharge.

The inner wall of the urinary catheter 10 is formed with an administration tube 104 which is respectively communicated with the administration port 1042 and the administration tube head 1041 .

The front end of the catheter 10 is formed with an elastic film 102; the end of the elastic film 102 is formed with an elastic connecting ring 1021 perpendicular to the central axis of the catheter 10; the outer side of the elastic film 102 is formed along the catheter A plurality of elastic support rods 1022 are evenly and fixedly connected to the axis of 10;

The urinary catheter 10 is provided with a spreading portion 11 capable of moving the front end of the elastic support rod 1022 to the outside.

In a natural state, the elastic support rods 1022 are parallel to each other and are in close contact with each other, and the urinary catheter 10 can be inserted into the bladder.

When the front end of the elastic support rod 1022 moves to the outside, the elastic film 102 can be expanded to abut against the inner wall of the bladder and receive the urine flowing out of the ureteral orifice.

The urine flowing from the ureteral orifice to the bladder will be received by the elastic film 102, and flow into the urine bag through the urinary catheter 10 and the urine bag plug 4 in turn, so that there is no excessive urine accumulation in the bladder, which is beneficial to the cleaning and maintenance of the bladder. direct medication.

The opening portion 11 includes a second connecting ring 113 that is slidably sleeved on the outer wall of the urinary catheter 10 along the axis of the urinary catheter 10 and is close to the front end of the urinary catheter 10; the front end of the second connecting ring 113 is uniform. A number of second linkage parts 114 equal to the number of the elastic support rods 1022 are fixedly connected, that is, the front ends of the second linkage parts 114 are respectively fixedly connected to the front ends of the elastic support rods 1022 .

The rear end of the second connecting ring 113 is fixedly connected with a symmetrically arranged first linkage part 112; the rear ends of the two first linkage parts 112 are fixedly connected with a push-pull tube 111; the push-pull tube 111 is close to the drug delivery port 1042 and slidably sleeved on the outer wall of the urinary catheter 10 along the axis of the urinary catheter 10 .

When the elastic support rods 1022 are parallel to each other and are in close contact with each other, the push-pull tube 111 is located at the front end limit position; when the push-pull tube 111 slides backward, the push-pull tube 111 passes through the first linkage portion 112 and the connecting ring 2 in sequence. 113. The second linkage portion 114 is driven to move the front end of the elastic support rod 1022 to the outside.

The elastic support rod 1022 can be made of a rigid material with good flexibility, such as a medical nickel-titanium superelastic alloy. The material can be freely bent according to the physiological condition of the patient, and has a certain elasticity. After the front end is pulled, it can be elastically deformed to the outside, so that the elastic film 102 is unfolded.

The front part of the outer wall of the urinary catheter 10 is located behind the drug delivery port 1042 and is formed with an anti-detachment airbag 101; .

The inner wall of the urinary catheter 10 is formed with an airway 103 that communicates with the inside of the anti-detachment balloon 101 and the airway head 1031 .

When there is no gas in the anti-detachment balloon 101 , the anti-detachment balloon 101 can be inserted into the bladder together with the urinary catheter 10 .

When gas is injected into the anti-detachment balloon 101 through the airway head 1031, the anti-detachment balloon 101 is inflated and the diameter after expansion is larger than the diameter of the surgical opening of the bladder, and can be stuck in the bladder.

The anti-detachment airbag 101 makes the catheter 10 get stuck in the bladder, prevents the catheter 10 from slipping out, and seals the surgical opening of the bladder, so that the fluid in the bladder will not flow out into the body, so that the patient is prevented from suffering from two conditions. The pain of surgery.

A drain port 1052 is formed at the front of the outer wall of the urinary catheter 10 between the drug delivery port 1042 and the anti-detachment airbag 101; the outer wall of the urinary catheter 10 is formed with the drain port near the rear end. 1052 is connected to the drain head 1051.

When using this product, the liquid discharge port 1052 can make the initial urine in the bladder or the cleaning liquid when cleaning the bladder flow in through the liquid discharge port 1052, and then flow out of the body through the liquid discharge pipe 105 and the discharge pipe head 1051 in turn. So that there is no excess liquid in the bladder, and when the medicine is directly administered in the bladder, the medicinal liquid will not be diluted and polluted, and the medicinal effect is best, which is beneficial to the recovery of the patient.

The inner wall of the urinary catheter 10 is formed with a drain pipe 105 that communicates with the drain port 1052 and the drain pipe head 1051; All of them are made by integral molding, which ensures that the outer wall of the urinary catheter 10 is smooth and facilitates the insertion of the urinary catheter 10 into the bladder.

The end of the airway tube head 1031, the drug delivery tube head 1041 and the drain tube head 1051 can be detachably sealed and inserted with an elastic rubber plug 2 or a sealing nozzle 3; by directly removing the elastic rubber plug 2 or The sealing mouth 3, or by directly penetrating the elastic rubber plug 2 with a needle, inflates the airway head 1031, and injects medicine or cleaning solution into the drug delivery tube head 1041.

The urinary catheter 10 can be made of corrosion-resistant medical silicone material, which is resistant to bidirectional corrosion of urine and flushing agents. The urinary catheter 10 adopts a step-by-step molding method. Then, embed the flexible material with grid-like micropores on the surface in the predetermined position of the opening portion 11 and put it into the mold cavity together, then close the mold, heat and pressurize for a certain period of time, and remove the flexible material and excess Parts can be integrally formed.

The first linkage part 112 and the second linkage part 114 can be made of flexible materials with better rigidity, such as medical stainless steel rope or medical nylon wire rope. The tube 10 is easier to stay in the body and the patient suffers less.

In the initial state, the elastic support rods 1022 are parallel to each other and close to each other; the elastic film 102 is in a natural shrinking state, smooth and without wrinkles; there is no gas in the anti-detachment airbag 101;

When using this product, select the appropriate product specification according to the actual physiological condition of the patient and the size of the bladder. The relative position of the anti-detachment airbag 101 and the elastic film 102 of this product is divided into various specifications. Wear sterile gloves on both hands, sterilize the product and make corresponding preparations, and insert the urine bag plug 4 into the rear end of the catheter 10. Remove the elastic rubber stopper 2 installed on the drainage tube head 1051, and place the corresponding liquid container at the lower end of the drainage tube head 1051, perform surgery on the patient, and open the upper part of the bladder. The diameter of the opening can just make the catheter 10 pass through. enter. Hold the hemostatic forceps in the hand to hold the catheter 10, insert the front end of the catheter 10 into the surgical opening of the bladder, slowly push the catheter 10 inward, the urine in the bladder will flow into the drainage port 1052, and then into the drainage tube 105 , flow into the liquid receiving container through the drain pipe head 1051 , continue to slowly advance until there is obvious resistance, and then stop advancing. After no urine flows out from the drain pipe head 1051, the urine in the bladder is basically drained completely, and the elastic rubber plug 2 is re-plugged.

Keeping the catheter 10 relatively fixed, pull the push-pull tube 111 backward to the limit position, so that the push-pull tube 111 drives the first linkage part 112 , the second connecting ring 113 , and the second linkage part 114 to move to the rear end in sequence. The second linkage portion 114 will pull the elastic connecting ring 1 1021 to the rear end, and at the same time, the front end of the elastic support rod 1022 will move to the outside. When the elastic support rod 1022 is pulled, the front end of the elastic support rod 1022 moves to the outside without causing the catheter 10 to exit the bladder backwards. The elastic film 102 and the elastic connecting ring-1021 are elastically deformed outward to a funnel shape under the pulling of the elastic support rod 1022, keeping the position of the push-pull tube 111 and the catheter 10 relatively fixed, and push the catheter 10 inward to make the elastic film 102 is in contact with the inner wall of the bladder and can receive the urine flowing out of the ureteral orifice. At this time, the urine flowing out of the ureteral orifice will enter the catheter 10 through the funnel-shaped elastic film 102, and then be discharged into the urine bag through the urine bag plug 4, and the urine will not be accumulated in the bladder, and the injected medicine will not be used. Contaminated and diluted, it is conducive to precise medication and cleaning of the bladder.

At this time, the anti-detachment airbag 101 also enters the bladder and is close to the surgical opening of the bladder, and the sealing mouth 3 is opened, so that the gas enters into the anti-detachment airbag 101 through the airway head 1031 and the airway 103 in sequence, so that the anti-detachment airbag 101 is inflated to A surgical opening that snaps into the bladder. The volume of the anti-detachment balloon 101 is larger than the surgical opening, which can prevent the catheter 10 from slipping out of the body and can seal the bladder, prevent the fluid in the bladder from flowing out to other tissues in the body, and prevent the second intubation from causing pain to the patient again. Loosen the push-pull tube 111 and the urinary catheter 10, the elastic force of the elastic connecting ring 1 1021 will make the elastic connecting ring 1 1021 move forward relative to the urinary catheter 10, and the anti-detachment airbag 101 will move backward until it is pressed against the opening of the bladder operation, elastic The membrane 102 shrinks but still bears against the bladder wall and is able to receive urine from the ureteral orifice.

The needle of the syringe penetrates the elastic rubber plug 2 in the drug delivery tube head 1041, so that the needle enters the drug delivery tube head 1041, and the medicinal liquid in the syringe can be pushed into the drug delivery tube 104, and then enters the bladder through the drug delivery port 1042. , making it easier for the drug to enter and act on the affected area. It is also possible to remove the elastic rubber plugs 2 in the drug delivery tube head 1041 and the drainage tube head 1051, inject sterile water into the drug delivery tube 104 through the drug delivery tube head 1041, and then enter the bladder through the drug delivery port 1042, The bladder is cleaned, and then the sterile water after cleaning is led out through the drain pipe 105, and flows out of the body through the drain pipe head 1051. After the cleaning is completed, the corresponding elastic rubber stopper 2 is re-covered back to the administration pipe head 1041 and Inside the drain head 1051.

When taking out this product, open the sealing nozzle 3 to completely discharge the gas in the anti-detachment air bag 101 . Push the push-pull tube 111 to the front end to the front end limit position, the elastic film 102 and the elastic connecting ring 1 1021 return to the initial state under the elastic action, and the elastic support rod 1022 returns to be parallel to each other and parallel to each other under the elastic action of the elastic connecting ring 1 1021 and itself. fit snugly. Wrap the catheter 10 with gauze, pull it out, and put it in the treatment bowl.

In the present invention, the catheter 10 is designed so that the catheter 10 can be inserted into the bladder, so that urine can be discharged; meanwhile, the medicine or clean water can directly reach the affected part through the drug delivery tube 104, which is beneficial to the treatment and cleaning of the affected part.

Through the design of the elastic film 102 in the present invention, when the elastic film 102 is in a natural state, it smoothly fits with the elastic support rods 1022 that are parallel and close to each other, and can be inserted into the bladder along with the urinary catheter 10; The tube 111 drives the first linkage part 112, the second connection ring 113, and the second linkage part 114 in sequence. The second linkage part 114 will pull the elastic connection ring 1 1021 to the outside to make the front end of the elastic support rod 1022 move to the outside, and then make the elastic When the membrane 102 is opened, the elastic membrane 102 can be in contact with the bladder wall and receive the urine flowing out of the ureteral orifice after the opening of the elastic membrane 102, so that the urine can be directly discharged from the body through the catheter 10 and will not accumulate in the bladder, which is conducive to direct medication or cleaning in the bladder .

Through the design of the anti-detachment airbag 101 in the present invention, when the anti-detachment airbag 101 is in a natural state, it can be inserted into the bladder along with the catheter 10, and when the air is injected into the airway through the airway 103, the anti-detachment airbag 101 can be inflated to the surgical opening. It is snapped to prevent the catheter 10 from slipping out of the body.

The invention can make the medicine or the cleaning solution directly act on the inner wall of the bladder, which is beneficial to the absorption of the medicine in the affected area and improves the therapeutic effect; the invention is provided with an anti-shedding airbag, which can prevent the urinary catheter from accidentally slipping out of the body during the intubation process, reducing the number of patients The present invention can make the urine flowing out of the ureteral orifice to be directly discharged from the body through the catheter 10, and will not accumulate in the bladder, and will not cause pollution to the medicinal liquid while cleaning when directly administering medicine or cleaning in the bladder. The bladder effect is better, which is conducive to the full play of the drug effect, accelerates the treatment speed of the patient, and reduces the pain of the patient.

Claims (1)

1. An obstetrics and gynecology bladder drug delivery device is characterized in that: comprising a urinary catheter and a drug delivery port formed on the outer wall of the urinary catheter close to the front end; The administration tube head communicated with the administration port; the front end of the catheter is formed with an elastic film; the end of the elastic film is formed with an elastic connecting ring; the outer side of the elastic film is uniformly and fixedly connected along the axis of the catheter. a plurality of elastic support rods; the two ends of the elastic support rods are respectively fixedly connected with the elastic connecting ring 1 and the joint between the urinary catheter and the elastic film; The opening part that the front end of the support rod moves to the outside; in a natural state, the elastic support rods are parallel and close to each other, and the urinary catheter can be inserted into the bladder; when the front end of the elastic support rod moves to the outside, the The expansion of the elastic membrane can abut against the inner wall of the bladder and receive the urine flowing out of the ureteral orifice; The expansion part includes a second connecting ring that is slidably sleeved on the outer wall of the urinary catheter along the axis of the urinary catheter and is close to the front end of the urinary catheter; the front end of the second connecting ring is evenly and fixedly connected with the an equal number of second linkage parts of elastic support rods; the front ends of each of the second linkage parts are respectively fixedly connected to the front ends of the elastic support rods; The two rear ends of the connecting ring are fixedly connected with a symmetrically arranged first linkage part; the rear end of the first linkage part is fixedly connected with a push-pull tube; the push-pull tube is close to the drug delivery port and along the axis of the catheter The sliding sleeve is connected to the outer wall of the catheter; when the elastic support rods are parallel to each other and close to each other, the push-pull tube is located at the front end limit position; when the push-pull tube slides backward, it passes through the first The linkage part, the second connecting ring, and the second linkage part are driven, so that the front end of the elastic support rod moves to the outside; The front part of the outer wall of the urinary catheter is located behind the drug delivery port and is formed with an anti-detachment airbag; the outer wall of the urinary catheter is formed with a trachea head that communicates with the inside of the anti-detachment airbag near the rear end; When there is no gas in the anti-detachment balloon, the anti-detachment balloon can be inserted into the bladder together with the urinary catheter; When gas is injected into the anti-detachment balloon through the airway head, the anti-detachment balloon is inflated and the inflated diameter is larger than the diameter of the surgical opening of the bladder, and can be stuck in the bladder; The front part of the outer wall of the urinary catheter is located between the drug delivery port and the anti-fall airbag; head.

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