Disposable cyst double-tube cutter
By designing the aspiration and perfusion function of the cyst double-tube tool, efficient rinsing and effusion extraction within the cyst is achieved, solving the problem that the cyst aspirator cannot be cleaned in the prior art, and improving the safety and efficiency of the surgery.
Patent Information
- Application Number
- CN202421471518.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing cyst aspirator cannot effectively rinse the internal fluid of the cyst, resulting in unclear effusion and viscous cyst fluid, which can easily cause pus to spill and affect the surgical process.
A disposable cyst double-tube tool is designed, including a suction stainless steel tube and a filling stainless steel tube. The drive assembly drives the spiral rod to rotate, so that the drug liquid is injected into the cyst and rinses the accretion fluid, and the Archimedes spiral wire principle is used to prevent blockage.
It improves the irrigation effect inside the cyst, ensures that the accumulation of fluid is extracted cleanly, prevents pus from spilling out, and simplifies the surgical process.
Smart Images

Figure CN223111771U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical appliances, and particularly relates to a disposable cyst double-tube cutter. Background Technique
[0002] Cysts are a relatively common gynecological disease, mostly benign cysts. If not treated in time, it will affect the health and safety of patients. At present, for gynecological chocolate cysts, cyst dissection surgery is used, and the dissection surgery will cause the cyst to rupture and the pus to overflow.
[0003] The patent number of the patent with the announcement number "CN203483699U" is: an ovarian cyst aspirator. The device in this published document can only aspirate the fluid in the cyst and cannot perform liquid medicine flushing treatment on the inside of the cyst, resulting in incomplete extraction of the fluid inside the cyst and reducing the effect of fluid extraction. Based on this, the utility model designs a disposable cyst double-tube cutter to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a disposable cyst double-tube cutter, which has a simple structure and is convenient to use, and solves the technical problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A disposable cyst double-tube cutter includes a housing, a stainless steel tube, and a driving component. The suction stainless steel tube and the perfusion stainless steel tube are respectively fixedly penetrated through the middle of the left side of the outside of the housing and fixed to the steel tube sleeve. A perfusion hose and a drainage hose are arranged below the housing. A stainless steel spring piece is arranged inside the housing. The driving component includes a transmission gear, a driving component housing, a cable, a plug, an internal motor, and a conductive piece. The driving component can be disassembled and assembled with the housing, and the stainless steel spring piece inside the housing comes into contact with the conductive piece in the driving component during installation. There is a screw rod driving tooth in the middle of the housing, a bearing in the middle of the housing, a connecting shaft in the middle of the housing, a steel tube sleeve at the left end of the housing, a screw rod in the suction stainless steel tube, the screw rod is connected to the left end of the connecting shaft and is connected to the steel tube sleeve through the bearing, and the right end of the connecting shaft is connected to the screw rod driving tooth. The driving component includes a transmission gear, a driving component housing, a cable, a plug, a motor, and a conductive piece. The left side of the driving component is respectively connected to the transmission gear and the driving component housing. The cable is connected to the plug. The motor is installed inside the driving component housing, and the conductive piece is installed on the outer surface of the driving component housing. The motor is installed on the driving component housing, then the transmission gear is bonded to the shaft of the motor, the positive pole of the motor is led out and welded to the conductive piece, the negative pole of the motor is welded to the cable, and the cable is welded to the plug.
[0007] Further, the suction stainless steel tube is fixed on the steel pipe sleeve, and the tail end is connected to the drain hose. There is a screw rod inside the suction stainless steel tube. The screw rod is connected to the connecting shaft and the bearing, and is fixed to the screw rod drive gear. The screw rod drive gear is engaged with the transmission gear on the drive assembly.
[0008] Further, the perfusion stainless steel tube is connected to the control valve through the steel pipe sleeve. The control valve is connected to the perfusion hose. The control valve controls the communication state between the perfusion stainless steel tube and the perfusion hose.
[0009] Further, a screw rod is fixedly arranged inside the suction stainless steel tube. The screw rod is engaged with the transmission gear at the left end of the drive assembly via the screw rod drive gear. The transmission gear is driven by the motor inside the drive assembly.
[0010] Further, the screw rod is closely fitted inside the suction stainless steel tube. The motor inside the drive assembly drives the screw rod to rotate inside the suction stainless steel tube.
[0011] Further, there are buttons, a membrane switch and a circuit board above the housing. The buttons control the start and stop of the motor inside the drive assembly through the membrane switch, thereby controlling the rotation of the screw rod.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] 1. By means of the external peristaltic pump of the present utility model, the medicinal liquid can be injected into the cyst through the perfusion hose, the control valve and the perfusion stainless steel tube, so as to wash the inside of the cyst. As a result, the residues adhering to the inner wall of the cyst are separated from the cyst. It can be seen that the washing effect inside the cyst is improved by using the device in the present application.
[0014] 2. Through the design of the suction function of the present utility model, the accumulated liquid and residues after washing the inside of the cyst can be discharged through the suction stainless steel tube and the drain hose, ensuring the effect of extracting the accumulated liquid inside the cyst. It solves the problems that the cyst fluid is viscous and not easy to remove during the operation of gynecological chocolate cysts, and the pus overflows and affects the surgical process. In addition, through the design of the control valve function, medical staff can control the opening and closing of the perfusion medicinal liquid; the screw rod added inside the suction stainless steel tube can help suck the viscous cyst fluid and prevent the suction stainless steel tube from being blocked by using the principle of Archimedes spiral. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0016] Figure 1 Is a front view three-dimensional view of a disposable cyst double-tube cutter;
[0017] Figure 2 Is a front view three-dimensional view of a driving component of a disposable cyst double-tube cutter;
[0018] Figure 3 Is a partially enlarged three-dimensional view of the interior of a disposable cyst double-tube cutter;
[0019] Figure 4 Is a three-dimensional view of the internal structure of a disposable cyst double-tube cutter.
[0020] In the figure, the list of components represented by each label is as follows:
[0021] 1 - housing, 2 - button, 3 - suction stainless steel tube, 4 - perfusion stainless steel, 5 - control valve, 6 - perfusion hose, 7 - drain hose, 8 - driving component, 101 - stainless steel shrapnel, 102 - screw rod drive gear, 103 - bearing, 104 - connecting shaft, 105 - steel pipe sleeve, 201 - membrane switch, 202 - circuit board, 301 - screw rod, 801 - transmission gear, 802 - driving component housing, 803 - cable, 804 - plug, 805 - motor, 806 - conductive sheet.
[0022] Each of the above components is purchased from the market. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] Embodiment 1:
[0025] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown in the figure, the present device includes a housing 1, a button 2, a suction stainless steel tube 3, a perfusion stainless steel tube 4, and a control valve 5. The suction stainless steel tube 3 and the perfusion stainless steel tube 4 are fixedly penetrated through the middle of the left side of the housing 1. A drive assembly 8 is provided on the right side of the housing 1, a perfusion hose 6 and a suction hose 7 are provided at the lower part of the housing 1, and a stainless steel shrapnel 101, a screw rod drive gear 102, a bearing 103, a connecting shaft 104, and a steel tube sleeve 105 are provided inside the housing 1. A membrane switch 201 and a circuit board 202 are provided above the inside of the housing 1. There is a screw rod 301 inside the suction stainless steel tube 3. The drive assembly 8 includes a transmission gear 801, a drive assembly housing 802, a cable 803, a plug 804, a motor 805, and a conductive sheet 806. The left side of the drive assembly 8 is respectively connected to the transmission gear 801 and the drive assembly housing 802. The cable 803 is connected to the plug 804. The motor 805 is installed inside the drive assembly housing 802, and the conductive sheet 806 is installed on the outer surface of the drive assembly housing 802. The motor 805 is installed in the drive assembly housing 802, then the transmission gear 801 is bonded to the shaft of the motor 805. The positive electrode of the motor 805 is led out and welded to the conductive sheet 806, the negative electrode of the motor 805 is welded to the cable 803, and the cable 803 is welded to the plug 804. Among them, the drive assembly 8 can be disassembled and assembled with the housing 1. The transmission gear 801 in the drive assembly 8 cooperates with the screw rod drive gear 102 in the housing 1.
[0026] The conductive sheet 806 in the drive assembly 8 contacts the stainless steel shrapnel 101 in the housing 1.
[0027] The perfusion hose 6 communicates with the internal control valve 5 of the housing 1. The other end of the control valve 5 is connected to the perfusion stainless steel tube 4 through the steel pipe sleeve 105. The other end of the perfusion hose 6 is externally connected to a peristaltic pump or a similar positive pressure source; the suction hose 7 is connected to the suction stainless steel tube 3 through the steel pipe sleeve 105. The other end of the suction hose 7 is externally connected to a negative pressure pump or a similar negative pressure source. A screw rod 301 is attached inside the suction stainless steel tube 3. One end of the screw rod 301 is adhesively fitted with the connecting shaft 104. The connecting shaft 104 passes through the bearing 103 and is adhesively fitted with the screw rod drive gear 102. The screw rod drive gear 102 cooperates with the transmission gear 801 in the drive assembly 8. The key 2 controls the start and stop of the motor 805 through the membrane switch 201. When the key 2 is pressed, the control circuit of the motor 805 is turned on, and the motor 805 drives the screw rod 301 to rotate through the internal structure. When the key 2 is released, the control circuit of the motor 805 is turned off, and the screw rod 301 stops; First, when both the positive and negative pressures are working properly, the medical staff holds the right end of the housing 1 and punctures the suction stainless steel tube 3 and the perfusion stainless steel tube 4 into the cyst of the patient. When the control valve 5 is opened, the liquid medicine flushes the inside of the cyst through the perfusion hose 6 via the perfusion stainless steel tube 4. When the control valve 5 is closed, the liquid medicine stops perfusion; When the medical staff holds the right end of the housing 1 and presses the key 2, the motor 805 drives the screw rod 301 to rotate. At this time, the screw rod 301 rotating inside the suction stainless steel tube 3 forms an Archimedes screw pump due to the principle of the Archimedes spiral, and cooperates with the negative pressure source to pump the waste liquid in the cyst out of the cyst. Finally, the waste liquid is discharged through the suction hose 7.
Claims
1. A disposable cyst double-tube cutter, comprising a housing (1), a button (2), a suction stainless steel tube (3), an infusion stainless steel tube (4), an infusion hose (6), a drainage hose (7) and a drive assembly (8), characterized in that: The suction stainless steel pipe (3) and the perfusion stainless steel pipe (4) are respectively fixedly penetrated through the middle of the left side outside the housing (1). A drive assembly (8) is provided at the right end of the housing (1). A perfusion hose (6) and a liquid discharge hose (7) are provided at the lower part of the housing (1). There is a stainless steel elastic sheet (101) above the interior of the housing (1). There is a screw rod drive gear (102) in the middle of the interior of the housing (1). There is a bearing (103) in the middle of the interior of the housing (1). There is a connecting shaft (104) in the middle of the interior of the housing (1). There is a steel pipe sleeve (105) at the left end of the interior of the housing (1). There is a membrane switch (201) below the button (2). There is a circuit board (202) below the button (2). There is a screw rod (301) inside the suction stainless steel pipe (3). The drive assembly (8) includes a transmission gear (801), a drive assembly housing (802), a cable (803), a plug (804), a motor (805) and a conductive sheet (806). The left side of the drive assembly (8) is respectively connected to the transmission gear (801) and the drive assembly housing (802). The cable (803) is connected to the plug (804). The motor (805) is installed inside the drive assembly housing (802). The conductive sheet (806) is installed on the outer surface of the drive assembly housing (802).
2. The disposable cyst double-tube cutter according to claim 1, wherein: The motor (805) is installed on the drive assembly housing (802), and then the transmission gear (801) is bonded to the shaft of the motor (805). The positive pole of the motor (805) is led out and welded to the conductive sheet (806). The negative pole of the motor (805) is welded to the cable (803). The cable (803) is welded to the plug (804).
3. The disposable cyst double-tube cutter according to claim 1, characterized in that: The interiors of the perfusion hose (6) and the liquid discharge hose (7) are designed to be separated. The suction stainless steel pipe (3) and the perfusion stainless steel pipe (4) are provided on the left side of the housing (1).
4. The disposable cyst double-tube cutter according to claim 1, wherein: The suction stainless steel pipe (3) is connected to the liquid discharge hose (7) through the steel pipe sleeve (105). The perfusion stainless steel pipe (4) is connected to the perfusion hose (6) through the steel pipe sleeve (105) and a control valve (5).
5. The disposable cyst double-tube cutter according to claim 1, wherein: There is a screw rod (301) inside the suction stainless steel pipe (3). The screw rod (301) is connected to the left end of the connecting shaft (104) and is connected to the steel pipe sleeve (105) through the bearing (103). The right end of the connecting shaft (104) is connected to the screw rod drive gear (102).
6. The disposable cyst double-tube cutter according to claim 1, wherein: The drive assembly (8) is connected to the screw rod drive gear (102) inside the housing (1). The transmission gear (801) has the same tooth profile as the screw rod drive gear (102) and they cooperate with each other.
7. The disposable cyst double-tube cutter according to claim 1, wherein: The bottom end of the perfusion hose (6) is a tight male Luer connector.
8. The disposable cyst double-tube cutter according to claim 1, wherein: The bottom end of the liquid discharge hose (7) is a tight female Luer connector.
9. The disposable cyst double-tube cutter according to claim 1, wherein: The suction stainless steel pipe (3) inside the housing (1) and the drive assembly (8) are in a coaxial state. When the drive assembly (8) is inserted, the stainless steel elastic sheet (101) contacts the conductive sheet (806).
Citation Information
Patent Citations
Ovarian cyst aspirator
CN203483699U