Dual-purpose intraoperative gelatin sponge sheet preparation device

By designing a dual-purpose gelatin sponge sheet preparation device using PVC material and stainless steel blades, combined with electric control, the problems of uneven thinning and softening of gelatin sponge sheets in neurosurgery were solved, thus improving surgical efficiency and safety.

CN223558514UActive Publication Date: 2025-11-18SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
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Patent Information

Application Number
CN202423249422.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-18
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In existing technologies, gelatin sponge sheets are difficult to cut evenly in neurosurgery, resulting in inconsistent thickness, slow preparation speed, and easy softening, which affects surgical efficiency and safety.

Method used

A dual-purpose surgical gelatin sponge sheet preparation device was designed. Made of PVC plastic, it is equipped with stainless steel blades and electric controls, enabling rapid and uniform thinning of gelatin sponge sheets. It offers both manual and electric modes to ensure the stability and safety of the shaving process.

Benefits of technology

This method enables rapid and uniform thinning of gelatin sponge sheets, reducing the operational difficulty for surgical nurses, improving surgical efficiency and safety, preventing softening and slippage of the gelatin sponge sheets, and ensuring the smooth progress of the surgery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a dual-purpose intraoperative gelatin sponge sheet preparation device which comprises a base, the middle of the base is provided with a groove matched with gelatin sponge, the bottom of the groove is provided with a bottom plate through a spring, the bottom plate is used for placing the gelatin sponge, and the bottom plate can move up and down in the groove; the operation sliding seat is arranged above the base in a sliding fit mode, the front side and the rear side of the operation sliding seat are sliding faces with radians, a blade is arranged at the bottom of the operation sliding seat, and the blade is parallel to the bottom plate; and the blade control assembly is arranged in the operation sliding seat and can drive the blade to rapidly swing left and right. The manual and electric gelatin sponge cutting machine has a manual mode and an electric mode, can effectively reduce the softening and deformation of gelatin sponge in the cutting process, guarantees the quality of finally cut slices, gives consideration to the cutting speed, and has the advantages of being light, small, safe, rapid and electric.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a two -purpose formula in -operation use gelatin sponge sheet preparation device. BACKGROUND

[0002] Medical absorbable gelatin sponge has good adsorbability, it can absorb more than 20-30 times of blood than itself, and its market price is relatively low, easy for people to accept, and is widely used in various operations. At present, the specifications of absorbable gelatin sponge purchased and used by medical institutions mainly have two kinds, which are 20mm*20mm*5mm and 20mm*60mm*5mm. The gelatin sponge sheet of the above specifications is suitable for larger incision operation field, but directly used in the operation field of smaller incision neurosurgery operation, will directly block the operation field under the microscope, resulting in that the operation cannot be carried out, and the 5mm thick gelatin sponge sheet is not only not easy to be combined with brain cotton, but also easy to damage the fragile brain parenchyma tissue when put into the operation cavity. Therefore, when used in operation, the 5mm thick gelatin sponge sheet is cut into 3-5 thin sheets, each about 1mm-1.6mm, and then the thin gelatin sponge sheet is cut into appropriate length and width and attached to the brain cotton for use in pressing and stopping bleeding when the brain parenchyma bleeds in operation. At present, the thin gelatin sponge sheet used in operation is prepared by a nurse using a 22# surgical knife blade on the table, and the disadvantages are as follows: ① poor quality: the thickness and uniformity of the thin sheet are entirely dependent on the personal experience and ability of the nurse, so the thickness of the finished product is uneven and uneven. ② slow preparation speed: the nurse cuts the sheet by hand, and since the gelatin sponge sheet is soft, the direction of the knife needs to be adjusted and controlled during the cutting process, and the operation cooperation steps are easy to be interrupted. ③ the gelatin sponge sheet is easy to be softened and cannot be cut. CONTENT OF THE UTILITY MODEL

[0003] In view of the above technical problems, the utility model provides a two-purpose in-operation use gelatin sponge sheet preparation device used in craniocerebral operation, which has the characteristics of lightness, smallness, safety, rapidness and electrification.

[0004] The utility model discloses a two-purpose in-operation use gelatin sponge sheet preparation device that realizes the technical purpose by adopting the following technical scheme:

[0005] A two-purpose in-operation use gelatin sponge sheet preparation device, comprising:

[0006] A base is provided with a groove matched with the gelatin sponge in the middle part, and a bottom plate for placing the gelatin sponge is installed at the bottom of the groove through a spring, and the bottom plate can move up and down in the groove.

[0007] An operation slide is slidingly fitted above the base, the front and back sides of the operation slide are sliding surfaces with curvature, and a blade is arranged at the bottom of the operation slide and is parallel to the bottom plate.

[0008] A blade control assembly is arranged inside the operation slide and can drive the blade to swing left and right quickly.

[0009] Preferably, the surface of the bottom plate is provided with stripes for increasing friction, and the vertical distance between the bottom of the blade and the bottom plate is 1-5 mm.

[0010] Preferably, the base comprises a whole support platform and a second plane platform, the whole support platform is funnel-shaped and is provided with the groove in the middle of the bottom, and the second plane platform is located at the top edge of the whole support platform.

[0011] More preferably, the whole support platform, the second plane platform and the groove are integrally designed.

[0012] More preferably, the left and right sides of the second plane platform are provided with hollow tracks, and the two sides of the operation slide are provided with sliding blocks matched with the hollow tracks.

[0013] More preferably, the sliding blocks penetrate the hollow tracks, and the ends of the sliding blocks are detachably provided with limiting baffle plates for preventing derailment.

[0014] Preferably, the blade control assembly comprises a power supply for providing electric energy, and the power supply is electrically connected with a switch arranged at the side of the operation slide.

[0015] Preferably, the blade control assembly further comprises a PC element plate for transmitting electric energy and controlling driving, and the PC element plate is electrically connected with the power supply.

[0016] Preferably, the blade control assembly further comprises a motor for driving the blade, and the motor is electrically connected with the PC element plate.

[0017] Preferably, the motor is connected with the blade through an eccentric shaft and a blade fixing frame and drives the blade to swing left and right quickly.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The whole is made of PVC plastic material, which is simple in structure and low in cost; the blade is made of stainless steel, which is small, sharp, smooth, easy to use and fast in sheet forming.

[0020] 2, the 5mm thick gelatin sponge piece is placed into the recess of the same area with the matched clamp, which can reduce the deformation of the gelatin sponge piece and avoid the sliding of the gelatin sponge piece during the cutting process.

[0021] 3, the fixed plane is used for placing the gelatin sponge piece, and the instrument nurse is released to have more time to pay attention to the operation field and better complete the operation cooperation.

[0022] 4, the two modes of manual and electric are provided, in the electric state, the cutting effect can be achieved by pushing the operation slide seat forward and backward; when the power is not connected or the circuit is broken, the cutting effect can also be achieved by slightly increasing the force and swinging forward and backward. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the overall three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 is the base three-dimensional structure schematic diagram of the utility model;

[0025] Figure 3 is the structure schematic diagram of the blade control assembly in the operation slide seat of the utility model;

[0026] Figure 4 is the overall structure schematic diagram of the operation slide seat of the utility model.

[0027] REFERENCE SIGNS:

[0028] 1, overall support platform; 2, second plane platform; 3, recess; 4, bottom plate; 5, spring; 6, hollow track; 7, operation slide seat; 8, blade; 9, sliding block; 10, limiting baffle; 11, switch; 12, power supply; 13, PC element board; 14, motor; 15, eccentric shaft; 16, blade fixing frame. DETAILED DESCRIPTION

[0029] In the description of the utility model, it needs to be explained that the terms "up / down", "front / back", "inner / outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 an indirect connection through an intermediate medium; it can be a connection within the components of a compatible model. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, unless otherwise specified, the components used in this application (power supply, PC component board, motor, etc.) are all commercially available components, and the connection between different components can be achieved through conventional technical means.

[0031] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0032] This utility model provides a dual-purpose gelatin sponge sheet preparation device for surgical use, such as... Figure 1 As shown, the device includes a base, in the middle of which is a groove 3 adapted to the gelatin sponge. A base plate 4 for placing the gelatin sponge is installed at the bottom of the groove 3 by a spring 5. The base plate 4 can move up and down in the groove 3. Due to the action of the spring 5, the gelatin sponge placed on the base plate 4 will be continuously pushed upward.

[0033] The operating slide 7 is slidably fitted to the base. The front and rear sides of the operating slide 7 are curved sliding surfaces. A blade 8 is provided at the bottom of the operating slide 7. The blade 8 is parallel to the base plate 4. The width of the blade 8 is greater than the width of the bottom surface of the operating slide 7, so that the front and rear ends of the blade 8 protrude from the front and rear edges of the bottom surface of the operating slide 7. By pushing the operating slide 7 back and forth, the blade 8 will shave the gelatin sponge placed on the base plate 4. The shaved gelatin sponge sheets bend out along the front and rear sliding surfaces of the operating slide 7.

[0034] The blade control assembly is located inside the operating slide 7 and can drive the blade 8 to swing rapidly left and right.

[0035] Preferably, the surface of the base plate 4 is provided with stripes to increase friction. The vertical distance between the bottom of the blade 8 and the base plate 4 is 1mm-5mm. Under the action of the spring 5, the upper end of the gelatin sponge placed on the surface of the base plate 4 is higher than the blade 8. This design ensures that the gelatin sponge does not slip when slicing and that the upper end can always be cut by the blade 8.

[0036] As a preferred option, such as Figure 1As shown in the drawings, the base comprises a whole support platform 1 and a second flat platform 2, a recess 3 is arranged in the middle of the inside of the whole support platform 1, the second flat platform 2 is located at the top edge of the whole support platform 1, the whole support platform 1, the second flat platform 2 and the recess 3 are integrally designed and the inside of the whole support platform 1 is funnel-shaped.

[0037] As preferred, hollow tracks 6 are arranged on the left and right sides of the second flat platform 2, sliding blocks 9 matched with the hollow tracks 6 are arranged on the two sides of the operation sliding seat 7, and the operation sliding seat 7 can reciprocate on the base through the matched hollow tracks 6 and sliding blocks 9.

[0038] As preferred, the sliding blocks 9 penetrate the hollow tracks 6, and the ends of the sliding blocks 9 are detachably provided with limiting baffle plates 10 for preventing derailment.

[0039] As shown in the drawings, Figure 2 As preferred, the blade control assembly comprises a power supply 12 for providing electric energy, and the power supply 12 is electrically connected with a switch 11 arranged on the side of the operation sliding seat 7.

[0040] As preferred, the blade control assembly further comprises a PC element plate 13 for transmitting electric energy and controlling driving, and the PC element plate 13 is electrically connected with the power supply 12.

[0041] As preferred, the blade control assembly further comprises a motor 14 for driving the blade 8, and the motor 14 is electrically connected with the PC element plate 13.

[0042] As preferred, the motor 14 is connected with the blade 8 through an eccentric shaft 15 and a blade fixing frame 16, and drives the blade 8 to swing left and right quickly.

[0043] As preferred, the base and the operation sliding seat 7 are made of PVC plastic material, the spring 5 has a small elastic coefficient, and the blade 8 is made of stainless steel.

[0044] The operation mode of the utility model is as follows: Figures 1 to 3As shown, the slider 9 at both ends of the operation slide 7 is used to pass through the hollow track 6, the limiting baffle 10 is installed, the standard 5mm gelatin sponge sheet is clamped by the round-head tweezers and placed on the bottom plate 4 of the groove 3, at this time, under the action of the spring 5, the upper end of the gelatin sponge placed on the bottom plate 4 is higher than the blade 8 at the bottom of the operation slide 7, and the blade 8 is parallel to the bottom plate 4; in the normal electric mode, the switch 11 is turned on, the motor 14 will receive the energy transmitted from the power supply 12 and the PC element board 13 to rotate, and then drive the blade 8 to swing left and right quickly through the eccentric shaft 15 and the blade fixing frame 16 (the specific working principle can be referred to the hair cutting machine), the operation slide 7 is gently pushed by hand, so that the operation slide 7 drives the blade 8 to slide back and forth on the base, and the gelatin sponge sheet is cut off in the process of sliding, due to the action of the spring 5, the gelatin sponge placed on the bottom plate 4 will be constantly pushed upwards, so that the upper end of the gelatin sponge is always cut by the blade 8, until the spring 5 restores to the original state and no longer pushes the bottom plate 4 to move upwards, finally the gelatin sponge is cut into 3-5 sheets, in the process, the cut gelatin sponge sheet will be bent upwards through the front and rear curved sliding surface of the operation slide 7; when a fault occurs or the power energy is exhausted, the operator can slightly increase the force to push the operation slide 7 back and forth to swing forward, and the cutting work can also be carried out.

[0045] Although the embodiments of the utility model are described in the specification, these embodiments are only as a prompt, should not limit the protection scope of the utility model. Various omissions, substitutions and changes made in the range without departing from the purpose of the utility model should be included in the protection scope of the utility model.

Claims

1. A dual-purpose gelatin sponge sheet preparation device for use in surgery, characterized in that, include: The base has a groove in the middle that is compatible with the gelatin sponge. A bottom plate for placing the gelatin sponge is installed at the bottom of the groove by a spring. The bottom plate can move up and down in the groove. An operating slide is slidably fitted on the top of the base. The front and rear sides of the operating slide are curved sliding surfaces. A blade is provided at the bottom of the operating slide, and the blade is parallel to the base plate. A blade control assembly is disposed inside the operating slide and is capable of driving the blade to swing rapidly left and right.

2. The dual-purpose surgical gelatin sponge sheet preparer as described in claim 1, characterized in that, The surface of the base plate is provided with stripes to increase friction, and the vertical distance between the bottom of the blade and the base plate is 1mm-5mm.

3. The dual-purpose surgical gelatin sponge sheet preparer as described in claim 1, characterized in that, The base includes an integral support platform and a second planar platform. The integral support platform is funnel-shaped and has a groove in the middle of the bottom. The second planar platform is located at the top edge of the integral support platform.

4. The dual-purpose surgical gelatin sponge sheet preparer as described in claim 3, characterized in that, The overall support platform, the second planar platform, and the groove are designed as a single unit.

5. A dual-purpose surgical gelatin sponge sheet preparer as described in claim 3, characterized in that, Hollow tracks are provided on the left and right sides of the second planar platform, and sliders adapted to the hollow tracks are provided on both sides of the operating slide.

6. A dual-purpose surgical gelatin sponge sheet preparer as described in claim 5, characterized in that, The slider passes through the hollow track, and a limiting baffle for preventing derailment is detachably installed at the end of the slider.

7. A dual-purpose gelatin sponge sheet preparation device for use in surgery as described in claim 1, characterized in that, The blade control assembly includes a power supply for providing electrical power, and the power supply is electrically connected to a switch disposed on the side of the operating slide.

8. A dual-purpose gelatin sponge sheet preparation device for use in surgery as described in claim 7, characterized in that, The blade control assembly also includes a PC component board for transmitting electrical power and controlling the drive, the PC component board being electrically connected to the power supply.

9. A dual-purpose surgical gelatin sponge sheet preparer as described in claim 8, characterized in that, The blade control assembly also includes a motor for driving the blade, the motor being electrically connected to the PC component board.

10. A dual-purpose surgical gelatin sponge sheet preparer as described in claim 9, characterized in that, The motor is connected to the blade via an eccentric shaft and a blade holder, and drives the blade to swing rapidly left and right.