Cervical canal dosing device

Abstract

The invention relates to the technical field of medical apparatus and instruments, in particular to a cervical canal dosing device which comprises a medicine applying cone of a conical structure matched with the shape of the cervix uteri. The medicine application cone is of a hollow structure, and medicine supply holes are formed in the surface of the medicine application cone. The medicine injection device medicine tube is communicated with the medicine application cone; medicament in the medicine tube of the medicine injection device is driven to enter the medicine application cone, passes through the medicine supply holes and is coated on the surfaces of the cervical canal and the cervical head. By means of the cervical canal dosing device, medicine can be effectively applied to the surfaces of the cervical canal and the cervical head, rapid and uniform medicine application is achieved, and the cure rate of gynecological diseases is increased.

Description

Technical Field

[0001] The invention relates to the technical field of uterine cavity drug injectors, and in particular to a cervical canal drug injector. Background Art

[0002] The prior art lacks an apparatus for injecting medicine into the uterine cavity, which results in medical workers needing to pre-saturate gauze soaked with medicine and insert it into the cervical canal with tweezers or a cervical dilator rod in order to achieve the application of medicine when treating diseases such as HPV (human papillomavirus). For example, when treating cervical HPV infection, the gauze soaked with photosensitizer aqueous solvent needs to stay in the cervical canal for 2-3 hours before it can be taken out, which greatly affects the patient's treatment experience. In short, the method of applying medicine through the above-mentioned gauze is not only very complicated to operate and has the problem of poor patient experience, but also prone to uneven application of medicine, which greatly affects the treatment effect.

[0003] In order to solve the above problems, technicians in this field are in urgent need of a cervical canal applicator and a method of using the same, which can effectively apply the drug to the surface of the cervical canal and cervical head, achieve quick and uniform drug application, and improve the cure rate of gynecological diseases. Summary of the invention

[0004] The present invention provides a cervical canal drug delivery device and a method for using the same, in order to solve the problem in the prior art that, when treating gynecological diseases, medical workers need to manually apply drugs into the uterine cavity based on experience. The above treatment method not only has the problems of complicated operation and poor patient experience, but also easily leads to uneven drug application. In order to solve the above problems, the technical solution of the present invention is to provide: a cervical canal drug delivery device, comprising:

[0005] A medicine compress cone, which is a cone-shaped structure adapted to the shape of the cervix; the medicine compress cone is a hollow structure, and a medicine supply hole is provided on the surface of the medicine compress cone;

[0006] The medicine tube of the medicine injector is connected with the medicine application cone; the medicine in the medicine tube of the medicine injector is driven to enter the medicine application cone, pass through the medicine supply hole and be coated on the surface of the cervical canal and the cervical head.

[0007] Optionally, the medicine compress cone comprises: a conical head and a medicine tube connecting portion;

[0008] The conical head is a conical structure adapted to the shape of the cervical canal, and the medicine tube connecting portion is an inner concave arc surface adapted to the shape of the cervical head and facing the direction of the medicine tube of the medicine injector.

[0009] Optionally, the cervical canal applicator also includes:

[0010] The medicine pushing piston is driven and slidably arranged in the inner cavity of the medicine tube of the medicine injector to squeeze the medicine in the medicine tube of the medicine injector to overflow from the medicine supply hole on the surface of the medicine application cone.

[0011] Optionally, the medicine pushing piston includes: a push plate that fits with the inner cavity wall of the medicine tube of the medicine injector, and a push rod for driving the push plate to slide.

[0012] Optionally, the push plate is further provided with a protruding structure matched with the inner cavity shape of the medicine compressing cone on the side facing the medicine compressing cone, so as to push the medicine in a colloidal state into the medicine compressing cone and overflow from the medicine supply hole.

[0013] Optionally, a first blocking portion is provided on the outer peripheral wall of the medicine tube of the injector; the first blocking portion is located at one end of the medicine tube of the injector close to the medicine application cone, and is used to prevent the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine tube of the injector.

[0014] Optionally, the first blocking part includes: an annular elastic sac sleeved on the circumferential direction of the outer wall of the medicine tube of the injector; the annular elastic sac is driven to rush in or discharge a medium, and the medium is a gas medium or a liquid medium.

[0015] Optionally, the first blocking portion includes: an elastic baffle plate arranged in the circumferential direction of the outer wall of the medicine tube of the injector; the elastic baffle plate is tightly fitted with the cervical canal to block the medicine under the action of its own elastic force.

[0016] Optionally, a second blocking portion is further provided at the insertion end of the medicine application cone; the second blocking portion is used to prevent the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine application cone.

[0017] Optionally, the second blocking portion includes: an annular elastic sac sleeved on the circumferential direction of the outer peripheral wall of the compress cone; the annular elastic sac is driven to rush in or discharge a medium, and the medium is a gas medium or a liquid medium.

[0018] Optionally, the medicine tube of the medicine injector is a variable diameter elastic structure adapted to the shape of the cervical canal, so that the medicine tube of the medicine injector fits the cervical canal.

[0019] Optionally, the material of the cervical canal applicator is PC, PS hard plastic material; and / or,

[0020] The length of the compress cone is in the range of 30mm to 40mm; the diameter of the thick end of the compress cone close to the injector tube and the bottom of the cone is in the range of 5mm to 6mm; the tip of the thin end of the compress cone away from the injector tube is spherical, with a diameter range of 3mm to 4mm; the compress cone is hollow and tubular, and the wall thickness of the cone is in the range of 1mm to 1.5mm; and / or,

[0021] The outer diameter of the medicine tube of the medicine injector ranges from 20 mm to 25 mm, the wall thickness of the medicine tube of the medicine injector ranges from 1.5 mm to 2 mm, and the length of the medicine tube of the medicine injector ranges from 90 mm to 100 mm; and / or,

[0022] The diameter of the medicine supply holes on the conical head and the medicine tube connecting part ranges from 0.8 mm to 1.1 mm, and the radial and lateral distances between the holes range from 1.5 mm to 2 mm.

[0023] Optionally, the push rod length of the medicine pushing piston ranges from 100 mm to 120 mm; the outer periphery of the push plate of the medicine pushing piston is sleeved with a rubber or silicone ring, and the outer diameter of the push plate is equal to the inner diameter of the medicine tube of the injector to prevent leakage of medicine.

[0024] A method for using a cervical canal medication applicator, comprising the following steps:

[0025] Step S1, pre-loading the medicine into the medicine tube of the medicine injector;

[0026] Step S2, inserting the cervical canal applicator into the cervical canal, wherein one end of the applicator cone of the drug tube of the drug injector is in close contact with the cervix;

[0027] Step S3, applying the medicine to the cervix through the medicine supply holes provided on the surface of the medicine application cone, and rotating the cervical canal applicator during the injection process so that the ejected medicine evenly coats the cervical canal wall and the cervical surface;

[0028] Step S4, pulling out the cervical canal applicator, and completing the work of applying the medicine on the surface of the cervical canal and the cervical head.

[0029] The technical solution of the present invention has the following advantages:

[0030] 1. The cervical canal medication device provided by the present invention comprises:

[0031] A medicine compress cone, which is a cone-shaped structure adapted to the shape of the cervix; the medicine compress cone is a hollow structure, and a medicine supply hole is provided on the surface of the medicine compress cone;

[0032] The medicine tube of the medicine injector is connected with the medicine application cone; the medicine in the medicine tube of the medicine injector is driven to enter the medicine application cone, pass through the medicine supply hole and be coated on the surface of the cervical canal and the cervical head.

[0033] In the prior art, when it is necessary to apply medicine to the cervical canal, it is necessary to pre-saturate the gauze with medicine and insert the gauze into the cervical canal with forceps or a cervical dilator to achieve manual medicine application. The above-mentioned method of applying medicine with gauze not only has the problem of complicated operation, but also the problem of uneven medicine application is easy to occur during the gauze application process, resulting in low treatment effect, which greatly affects the treatment effect of gynecological diseases.

[0034] In order to solve the above problems, the present invention provides a cervical canal applicator, which has a medicine application cone that matches the shape of the cervical canal. The surface of the medicine application cone is provided with a medicine supply hole, and medical personnel can effectively transfer the medicine in the medicine tube of the injector to the inner cavity of the medicine application cone through a power mechanism such as a push rod, and the medicine then overflows through the medicine supply hole, so as to be evenly coated on the surface of the cervical canal and the cervical head.

[0035] 2. The cervical canal applicator provided by the present invention, the medicine application cone includes: a conical head and a medicine tube connecting part; the conical head is a conical structure adapted to the shape of the cervical canal, and the medicine tube connecting part is an inwardly concave arc surface adapted to the shape of the cervical head and facing the direction of the medicine tube of the injector.

[0036] In the present invention, the conical head is a conical structure that matches the shape of the cervical canal, and the drug tube connecting part is an inner concave arc surface that matches the shape of the cervical head. The drug application cone that matches the cervical canal and the cervical head respectively can be close to the cervix, so as to evenly apply the drug to the cervix.

[0037] 3. The cervical canal applicator provided by the present invention also includes: a medicine pushing piston, which is driven to slide in the inner cavity of the medicine tube of the medicine injector to squeeze the medicine in the medicine tube of the medicine injector to overflow from the medicine supply hole on the surface of the medicine application cone.

[0038] In the present invention, the medicine pushing piston allows medical workers to push the medicine to the medicine applying cone as needed, and then the medicine overflows from the medicine supply hole on the surface of the medicine applying cone.

[0039] 4. The cervical canal applicator provided by the present invention has a push plate on one side of the medicine application cone, and is also provided with a protruding structure adapted to the inner shape of the medicine application cone, so as to push the medicine in a colloidal state into the medicine application cone and overflow from the medicine supply hole.

[0040] When the medicine is a colloid, it is difficult for the medicine to accurately enter the medicine application cone of the conical structure and overflow from the medicine supply hole. In order to solve the above problem, in the present invention, a protrusion structure that matches the inner cavity shape of the medicine application cone can be provided on the push plate, and the protrusion structure can stably and reliably push the medicine out of the medicine supply hole to ensure the medicine coating effect at the cervical position.

[0041] 5. The cervical canal applicator provided by the present invention has a first blocking portion provided on the outer peripheral wall of the injector tube; the first blocking portion is located at one end of the injector tube close to the application cone, and is used to prevent the medicine from moving out of the cervical medication receiving position along the radial direction of the injector tube.

[0042] In the present invention, the first blocking portion can effectively prevent the medicine from overflowing from the medicine tube of the injector in the length direction to the medicine receiving position of the cervix, thereby ensuring that the medicine is evenly coated on the patient's cervix.

[0043] 6. The cervical canal applicator provided by the present invention, wherein the first blocking part comprises: an annular elastic sac sleeved on the circumferential direction of the outer wall of the medicine tube of the injector; the annular elastic sac is driven to flush in or discharge a medium, and the medium is a gas medium or a liquid medium.

[0044] In the present invention, by filling the inner cavity of the annular elastic bladder with a medium, the annular elastic bladder can be expanded to form a first blocking portion on the outer peripheral wall of the medicine tube of the medicine injector; and the annular elastic bladder can be contracted by discharging the medium to realize the transfer of the cervical canal medicine injector. The annular elastic bladder has the advantages of stable and reliable structure and good medicine blocking effect.

[0045] 7. The cervical canal applicator provided by the present invention, wherein the first blocking portion comprises: an elastic baffle plate arranged in the circumferential direction of the outer wall of the medicine tube of the injector; the elastic baffle plate, under the action of its own elastic force, fits tightly with the cervical canal to block the medicine.

[0046] In the present invention, the elastic baffle can make the elastic baffle on the medicine tube of the injector fit closely with the cervical canal during the process of the cervical canal applicator being inserted into the cervix, thereby effectively preventing the medicine from overflowing from the cervix. Moreover, the elastic baffle will not block the normal movement of the cervical canal applicator during the process of the cervical canal applicator being inserted into and removed from the patient's cervix.

[0047] 8. The cervical canal applicator provided by the present invention is further provided with a second blocking portion at the insertion end of the medicine application cone; the second blocking portion is used to prevent the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine application cone.

[0048] In the present invention, the second blocking portion can effectively prevent the medicine from moving out of the cervical medication receiving position from the tip insertion end along the radial direction of the medication cone, thereby ensuring the medication application effect of the cervical canal applicator.

[0049] 9. In the cervical canal applicator provided by the present invention, the second blocking part comprises: an annular elastic sac sleeved on the circumferential direction of the outer peripheral wall of the applicator cone; the annular elastic sac is driven to flush in or discharge a medium, and the medium is a gas medium or a liquid medium.

[0050] In the present invention, by filling the inner cavity of the annular elastic sac with a medium, the annular elastic sac can be expanded to form a second blocking portion on the outer peripheral wall of the medicine cone; and the annular elastic sac can be contracted by discharging the medium to realize the transfer of the cervical canal applicator. The annular elastic sac has the advantages of stable and reliable structure and good medicine blocking effect.

[0051] 10. The cervical canal drug delivery device provided by the present invention has a drug tube of the drug delivery device that is a variable-diameter elastic structure that is adapted to the shape of the cervical canal, so that the drug tube of the drug delivery device fits the cervical canal.

[0052] In the present invention, the medicine tube of the injector is set as a variable diameter elastic structure adapted to the shape of the cervical canal, which can effectively ensure that during the process of moving the cervical canal applicator toward the patient's cervix, the medicine tube of the injector can fit the cervical canal better, thereby reducing the patient's pain while ensuring the effect of the medication.

[0053] 11. The method for using the cervical canal medication device provided by the present invention comprises the following steps:

[0054] Step S1, pre-loading the medicine into the medicine tube of the medicine injector;

[0055] Step S2, inserting the cervical canal applicator into the cervical canal, wherein one end of the applicator cone of the drug tube of the drug injector is in close contact with the cervix;

[0056] Step S3, applying the medicine to the cervix through the medicine supply holes provided on the surface of the medicine application cone, and rotating the cervical canal applicator during the injection process so that the ejected medicine evenly coats the cervical canal wall and the cervical surface;

[0057] Step S4, pulling out the cervical canal applicator, and completing the work of applying the medicine on the surface of the cervical canal and the cervical head.

[0058] In the present invention, by rotating the cervical canal applicator during the injection process, it can be effectively ensured that the medicine at the cervical position is evenly coated. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0060] Figure 1 A schematic diagram of the structure of the cervical canal drug delivery device in Example 1 provided by the present invention;

[0061] Figure 2 A schematic diagram of the structure of the cervical canal applicator with a protruding structure in Example 2 provided by the present invention;

[0062] Figure 3 This is a schematic structural diagram of the cervical canal applicator with a first blocking part and a second blocking part in Example 3 provided by the present invention.

[0063] Description of reference numerals:

[0064] 1-medication cone; 2-medication supply hole; 3-medication tube of the injector; 4-conical head; 5-medication tube connecting part; 6-medication pushing piston; 7-push plate; 8-push rod; 9-protruding structure; 10-first blocking part; 11-second blocking part. DETAILED DESCRIPTION

[0065] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0066] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0067] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0069] Example 1

[0070] See also Figure 1 , Figure 1 A schematic structural diagram of a cervical canal applicator in an embodiment of the present invention is shown.

[0071] The present embodiment provides a cervical canal applicator, comprising:

[0072] A medicine compress cone 1, wherein the medicine compress cone 1 is a conical structure adapted to the shape of the cervix; the medicine compress cone 1 is a hollow structure, and a medicine supply hole 2 is provided on the surface of the medicine compress cone 1; the medicine compress cone 1 comprises: a conical head 4 and a medicine tube connecting portion 5; the conical head 4 is a conical structure adapted to the shape of the cervical canal, and the medicine tube connecting portion 5 is an inner concave arc surface adapted to the shape of the cervical head and facing the direction of the medicine tube 3 of the medicine injector; the medicine compress cone 1 adapted to the cervical canal and the cervical head respectively can be close to the cervix, so as to evenly apply the medicine to the cervix;

[0073] The medicine tube 3 of the medicine injector is connected with the medicine application cone 1; the medicine in the medicine tube 3 of the medicine injector is driven to enter the medicine application cone 1, pass through the medicine supply hole 2 and be applied on the surface of the cervical canal and the cervical head; in this embodiment, in order to make the medicine tube 3 of the medicine injector fit the cervical canal better, thereby reducing the pain of the patient and ensuring the effect of the medicine application. The medicine tube 3 of the medicine injector is a variable diameter elastic structure adapted to the shape of the cervical canal, so that the medicine tube 3 of the medicine injector fits the cervical canal;

[0074] The medicine pushing piston 6 is driven to slide in the inner cavity of the medicine tube 3 of the medicine injector to squeeze the medicine in the medicine tube 3 of the medicine injector to overflow from the medicine supply hole 2 on the surface of the medicine application cone 1. In this embodiment, the medicine pushing piston 6 includes: a push plate 7 that fits with the inner cavity wall of the medicine tube 3 of the medicine injector, and a push rod 8 for driving the push plate 7 to slide.

[0075] In this embodiment, if Figure 1 As shown:

[0076] The material of the cervical canal applicator is PC, PS hard plastic material; the length range of the medicine application cone 1 is: 35mm; the diameter range of the thick end of the medicine application cone 1 close to the medicine injection tube 3 and the bottom of the vertebral body is: 5.5mm; the tip of the thin end of the medicine application cone 1 away from the medicine injection tube 3 is a spherical surface, and the diameter range is: 3.5mm; the medicine application cone 1 is a hollow tube, and the vertebral wall thickness range is: 1.2mm;

[0077] The outer diameter of the medicine tube 3 of the medicine injector is in the range of 22 mm, the wall thickness of the medicine tube 3 of the medicine injector is in the range of 1.7 mm, and the length of the medicine tube 3 of the medicine injector is in the range of 95 mm;

[0078] The medicine supply holes 2 on the conical head 4 and the medicine tube connecting portion 5 have a hole diameter range of 1 mm, and the radial and lateral distances between the holes are 1.7 mm.

[0079] The push rod 8 of the medicine pushing piston 6 has a length range of 110 mm. The outer periphery of the push plate 7 of the medicine pushing piston 6 is sleeved with a rubber or silicone ring, and the outer diameter of the push plate 7 is equal to the inner diameter of the medicine injector tube 3 to prevent the medicine from leaking.

[0080] A method for using a cervical canal medication applicator, for using the cervical canal medication applicator, comprising the following steps:

[0081] Step S1, pre-loading the medicine into the medicine tube 3 of the medicine injector;

[0082] Step S2, inserting the cervical canal applicator into the cervical canal, and one end of the applicator cone 1 of the drug tube 3 of the drug injector tightly fits the cervix;

[0083] Step S3, applying the medicine to the cervix through the medicine supply hole 2 provided on the surface of the medicine application cone 1, and rotating the cervical canal applicator during the injection process so that the ejected medicine is evenly coated on the cervical canal wall and the cervical surface;

[0084] Step S4, pulling out the cervical canal applicator, and completing the work of applying the medicine on the surface of the cervical canal and the cervical head.

[0085] Of course, in this embodiment, the driving mechanism for driving the medicine from the injector tube 3 into the medicine application cone 1 and overflowing from the medicine supply hole 2 is not specifically limited. In other embodiments, the driving mechanism can also be a medicine pushing piston 6 automatically controlled by a motor.

[0086] Of course, in this embodiment, the specific material of the cervical canal applicator is not specifically limited. In other embodiments, the cervical canal applicator can also be made of other hard plastic materials.

[0087] Of course, in this embodiment, the specific size of the medicine compress cone 1 is not specifically limited. In other embodiments, the length range of the medicine compress cone 1 is: 30mm to 40mm; the diameter range of the thick end of the medicine compress cone 1 close to the medicine injector tube 3 and the bottom of the vertebral body is: 5mm to 6mm; the tip of the thin end of the medicine compress cone 1 away from the medicine injector tube 3 is spherical, and the diameter range is: 3mm to 4mm; the medicine compress cone 1 is hollow tubular, and the vertebral body wall thickness range is: 1mm to 1.5mm.

[0088] Of course, in this embodiment, the specific size of the injector tube 3 is not specifically limited. In other embodiments, the outer diameter of the injector tube 3 ranges from 20 mm to 25 mm, the wall thickness of the injector tube 3 ranges from 1.5 mm to 2 mm, and the length of the injector tube 3 ranges from 90 mm to 100 mm.

[0089] Of course, in this embodiment, the specific size of the medicine supply hole 2 is not specifically limited. In other embodiments, in addition, the medicine supply hole 2 on the conical head 4 and the medicine tube connecting part 5 has a hole diameter range of: 0.8mm to 1.1mm, and the radial and lateral distances between the holes are 1.5mm to 2mm.

[0090] Example 2

[0091] See also Figure 2 , Figure 2 A schematic diagram of the structure of a cervical canal applicator with a protruding structure in an embodiment of the present invention is shown.

[0092] The present embodiment provides a cervical canal applicator, comprising:

[0093] A medicine compress cone 1, wherein the medicine compress cone 1 is a conical structure adapted to the shape of the cervix; the medicine compress cone 1 is a hollow structure, and a medicine supply hole 2 is provided on the surface of the medicine compress cone 1; the medicine compress cone 1 comprises: a conical head 4 and a medicine tube connecting portion 5; the conical head 4 is a conical structure adapted to the shape of the cervical canal, and the medicine tube connecting portion 5 is an inner concave arc surface adapted to the shape of the cervical head and facing the direction of the medicine tube 3 of the medicine injector; the medicine compress cone 1 adapted to the cervical canal and the cervical head respectively can be close to the cervix, so as to evenly apply the medicine to the cervix;

[0094] The medicine tube 3 of the medicine injector is connected with the medicine application cone 1; the medicine in the medicine tube 3 of the medicine injector is driven to enter the medicine application cone 1, pass through the medicine supply hole 2 and be applied on the surface of the cervical canal and the cervical head; in this embodiment, in order to make the medicine tube 3 of the medicine injector fit the cervical canal better, thereby reducing the pain of the patient and ensuring the effect of the medicine application. The medicine tube 3 of the medicine injector is a variable diameter elastic structure adapted to the shape of the cervical canal, so that the medicine tube 3 of the medicine injector fits the cervical canal;

[0095] The medicine pushing piston 6 is driven to slide in the inner cavity of the medicine tube 3 of the medicine injector to squeeze the medicine in the medicine tube 3 of the medicine injector to overflow from the medicine supply hole 2 on the surface of the medicine application cone 1. In this embodiment, the medicine pushing piston 6 includes: a push plate 7 that fits with the inner cavity wall of the medicine tube 3 of the medicine injector, and a push rod 8 for driving the push plate 7 to slide.

[0096] like Figure 2 As shown, in order to solve the problem that when the medicine is a colloid, it is difficult for the medicine to accurately enter the medicine application cone 1 of the conical structure and overflow from the medicine supply hole 2. The push plate 7 is further provided with a protrusion structure 9 adapted to the inner cavity shape of the medicine application cone 1 on the side facing the medicine application cone 1, so as to push the medicine in the colloid state into the medicine application cone 1 and overflow from the medicine supply hole 2. The protrusion structure 9 can stably and reliably push the medicine out of the medicine supply hole 2 to ensure the medicine coating effect at the cervical position.

[0097] Example 3

[0098] See also Figure 3 , Figure 3 A schematic structural diagram of a cervical canal applicator having a first blocking portion and a second blocking portion in an embodiment of the present invention is shown.

[0099] The present embodiment provides a cervical canal applicator, comprising:

[0100] The compress cone 1 is a conical structure adapted to the shape of the cervix; the compress cone 1 is a hollow structure, and a drug supply hole 2 is provided on the surface of the compress cone 1; the compress cone 1 comprises: a conical head 4 and a drug tube connecting portion 5;

[0101] a medicine injector tube 3, the medicine injector tube 3 is connected to the medicine application cone 1; the medicine in the medicine injector tube 3 is driven to enter the medicine application cone 1, pass through the medicine supply hole 2 and be coated on the surface of the cervical canal and the cervical head;

[0102] The medicine pushing piston 6 is driven to slide in the inner cavity of the medicine tube 3 of the medicine injector to squeeze the medicine in the medicine tube 3 of the medicine injector to overflow from the medicine supply hole 2 on the surface of the medicine application cone 1. In this embodiment, the medicine pushing piston 6 includes: a push plate 7 that fits with the inner cavity wall of the medicine tube 3 of the medicine injector, and a push rod 8 for driving the push plate 7 to slide.

[0103] In this embodiment, in order to ensure that the medicine is evenly applied to the patient's cervix, the medicine will not move out of the medicine tube 3 of the injector in the radial direction, or the medicine will not move out of the medicine application cone 1 in the radial direction.

[0104] like Figure 3 As shown, a first blocking portion 10 is provided on the outer peripheral wall of the medicine tube 3 of the medicine injector; the first blocking portion 10 is located at one end of the medicine tube 3 of the medicine injector close to the medicine application cone 1, and is used to block the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine tube 3 of the medicine injector. The first blocking portion 10 includes: an annular elastic capsule sleeved on the circumferential direction of the outer peripheral wall of the medicine tube 3 of the medicine injector; the annular elastic capsule is driven to flush in or discharge a medium, and the medium is a gas medium or a liquid medium.

[0105] The insertion end of the medicine compress cone 1 is also provided with a second blocking portion 11; the second blocking portion 11 is used to block the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine compress cone 1. The second blocking portion 11 includes: an annular elastic capsule sleeved on the circumferential direction of the outer peripheral wall of the medicine compress cone 1; the annular elastic capsule is driven to flush in or discharge a medium, which is a gas medium or a liquid medium.

[0106] Of course, in this embodiment, the first blocking portion 10 is not specifically limited. In other embodiments, the first blocking portion 10 can also be: an elastic baffle disposed in the circumferential direction of the outer peripheral wall of the injector tube 3; the elastic baffle is tightly fitted with the cervical canal under the action of its own elastic force to block the medicine. In addition, the second blocking portion 11 can also be the above-mentioned elastic baffle, thereby preventing the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine application cone 1.

[0107] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention.

Claims

1. A cervical canal medication device, characterized in that: include: A medicine compress cone (1), wherein the medicine compress cone (1) is a cone-shaped structure adapted to the shape of the cervix; the medicine compress cone (1) is a hollow structure, and a medicine supply hole (2) is provided on the surface of the medicine compress cone (1); The medicine tube (3) of the medicine injector is connected with the medicine application cone (1); the medicine in the medicine tube (3) of the medicine injector is driven to enter the medicine application cone (1), pass through the medicine supply hole (2) and be coated on the surface of the cervical canal and the cervical head.

2. The cervical canal applicator according to claim 1, characterized in that: The medicine compress cone (1) comprises: a cone-shaped head (4) and a medicine tube connecting portion (5); The conical head (4) is a conical structure adapted to the shape of the cervical canal, and the medicine tube connecting portion (5) is an inwardly concave arc surface adapted to the shape of the cervical head and facing the direction of the medicine tube (3) of the medicine injector.

3. The cervical canal applicator according to claim 1 or 2, characterized in that: Also includes: A medicine pushing piston (6) is driven to slide in the inner cavity of the medicine tube (3) of the medicine injector so as to squeeze the medicine in the medicine tube (3) of the medicine injector to overflow from the medicine supply hole (2) on the surface of the medicine application cone (1).

4. The cervical canal applicator according to claim 3, characterized in that: The medicine pushing piston (6) comprises: a pushing plate (7) which is in contact with the inner cavity wall of the medicine tube (3) of the medicine injector, and a pushing rod (8) which is used for driving the pushing plate (7) to slide.

5. The cervical canal applicator according to claim 4, characterized in that: The push plate (7) is provided with a protruding structure (9) adapted to the inner shape of the medicine compress cone (1) on one side thereof facing the medicine compress cone (1) so as to push the medicine in a colloidal state into the medicine compress cone (1) and overflow from the medicine supply hole (2).

6. The cervical canal applicator according to claim 1 or 2, characterized in that: A first blocking portion (10) is provided on the outer peripheral wall of the medicine tube (3) of the medicine injector; the first blocking portion (10) is located at one end of the medicine tube (3) of the medicine injector close to the medicine application cone (1) and is used to prevent the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine tube (3).

7. The cervical canal applicator according to claim 6, characterized in that: The first blocking part (10) comprises: an annular elastic sac sleeved on the circumferential direction of the outer peripheral wall of the medicine tube (3) of the medicine injector; the annular elastic sac is driven to flush in or discharge a medium, which is a gas medium or a liquid medium.

8. The cervical canal applicator according to claim 6, characterized in that: The first blocking portion (10) comprises: an elastic baffle plate arranged in the circumferential direction of the outer peripheral wall of the medicine tube (3) of the medicine injector; under the action of its own elastic force, the elastic baffle plate is tightly fitted with the cervical canal to block the medicine.

9. The cervical canal applicator according to claim 1 or 2, characterized in that: The insertion end of the medicine application cone (1) is also provided with a second blocking portion (11); the second blocking portion (11) is used to prevent the medicine from moving out of the cervical medicine receiving position along the radial direction of the medicine application cone (1).

10. The cervical canal applicator according to claim 9, characterized in that: The second blocking portion (11) comprises: an annular elastic sac sleeved on the circumferential direction of the outer peripheral wall of the compress cone (1); the annular elastic sac is driven to flush in or discharge a medium, which is a gas medium or a liquid medium.

11. The cervical canal applicator according to claim 1, characterized in that: The medicine tube (3) of the medicine injector is a variable diameter elastic structure adapted to the shape of the cervical canal, so that the medicine tube (3) of the medicine injector fits the cervical canal.

12. The cervical canal applicator according to claim 2, characterized in that: The material of the cervical canal applicator is PC, PS hard plastic material; and / or, The length of the compress cone (1) is in the range of 30 mm to 40 mm; the diameter of the thick end of the compress cone (1) close to the medicine tube (3) of the medicine injector and the bottom of the cone is in the range of 5 mm to 6 mm; the tip of the thin end of the compress cone (1) away from the medicine tube (3) of the medicine injector is spherical, and the diameter is in the range of 3 mm to 4 mm; the compress cone (1) is hollow and tubular, and the wall thickness of the cone is in the range of 1 mm to 1.5 mm; and / or, The outer diameter of the medicine tube (3) of the medicine injector is in the range of 20 mm to 25 mm, the wall thickness of the medicine tube (3) of the medicine injector is in the range of 1.5 mm to 2 mm, and the length of the medicine tube (3) of the medicine injector is in the range of 90 mm to 100 mm; and / or, The drug supply holes (2) on the conical head (4) and the drug tube connecting portion (5) have a hole diameter ranging from 0.8 mm to 1.1 mm, and the radial and lateral distances between the holes are 1.5 mm to 2 mm.

13. The cervical canal applicator according to claim 3, characterized in that: The push rod (8) of the medicine pushing piston (6) has a length ranging from 100 mm to 120 mm. The outer periphery of the push plate (7) of the medicine pushing piston (6) is sleeved with a rubber or silicone sleeve ring, and the outer diameter of the push plate (7) is equal to the inner diameter of the medicine tube (3) of the medicine injector to prevent the medicine from leaking out.

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